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A sanitary mask helps prevent the entry of the Corona virus or other diseases. Alcoholic antiseptic cleanses hands and face from infection. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-alcoholic-antiseptic-cleanses-hands-and-face-from-infection-copy-space-image349085525.htmlRF2B7X645–A sanitary mask helps prevent the entry of the Corona virus or other diseases. Alcoholic antiseptic cleanses hands and face from infection. Copy space
Green leaf of a pear close-up with damage by ulcers of diseases and fungi of brown spotting of scab monniliosis. Gardening problems. Fungal and viral diseases of plants. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/green-leaf-of-a-pear-close-up-with-damage-by-ulcers-of-diseases-and-fungi-of-brown-spotting-of-scab-monniliosis-gardening-problems-fungal-and-viral-diseases-of-plants-image340431343.htmlRF2ANRYJ7–Green leaf of a pear close-up with damage by ulcers of diseases and fungi of brown spotting of scab monniliosis. Gardening problems. Fungal and viral diseases of plants.
Apple fruit damaged by Hoplocampa testudinea, apple sawfly or european apple sawfly (klug ). Apple pests Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/apple-fruit-damaged-by-hoplocampa-testudinea-apple-sawfly-or-european-apple-sawfly-klug-apple-pests-image557032306.htmlRF2RA70AX–Apple fruit damaged by Hoplocampa testudinea, apple sawfly or european apple sawfly (klug ). Apple pests
Dry quince fruit in the crown of the tree. Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-quince-fruit-in-the-crown-of-the-tree-dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image503381561.htmlRF2M6Y08W–Dry quince fruit in the crown of the tree. Dry apple, quince rotten fruit on the tree in orchard, organic food.
Apple damaged by larvae of european apple sawfly - Hoplocampa testudinea. It is one of the most important pests in orchards and gardens. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/apple-damaged-by-larvae-of-european-apple-sawfly-hoplocampa-testudinea-it-is-one-of-the-most-important-pests-in-orchards-and-gardens-image453914410.htmlRF2HADGCX–Apple damaged by larvae of european apple sawfly - Hoplocampa testudinea. It is one of the most important pests in orchards and gardens.
Cultivated Apple (Malus domestica) 'McIntosh' close-up of leaf underside with Frogeye (Sphaeropsis sp.) Leaf Spot with spores Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cultivated-apple-malus-domestica-mcintosh-close-up-of-leaf-underside-image65305405.htmlRMDP6WKW–Cultivated Apple (Malus domestica) 'McIntosh' close-up of leaf underside with Frogeye (Sphaeropsis sp.) Leaf Spot with spores
Primary infection of powdery mildew Podosphaera leucotricha on apple leaves at high magnification. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/primary-infection-of-powdery-mildew-podosphaera-leucotricha-on-apple-leaves-at-high-magnification-image471051533.htmlRF2JAA711–Primary infection of powdery mildew Podosphaera leucotricha on apple leaves at high magnification.
Fungal diseases on the branch of apple Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungal-diseases-on-the-branch-of-apple-image350514812.htmlRF2BA7964–Fungal diseases on the branch of apple
![[Fruit culture] . ed on very long.Therefore, to grow apples successfully, the orchardist mustlearn to combat the diseases that attack the apple tree and itsfruit. 62 APPLE PESTS AND INJURIES §6 The effect of disease cannot be remedied; that is, the leavesor fruit cannot be cured of disease after it has become estab-lished in the fruit or leaves. The only possible method ofcombating disease is by preventive measures; that is, bymeasures to prevent the growth on the fruit or leaves of theorganisms that cause disease. The most important preventive measure is spraying withsome substance that is su Stock Photo](https://c8.alamy.com/comp/2AKT5X7/fruit-culture-ed-on-very-longtherefore-to-grow-apples-successfully-the-orchardist-mustlearn-to-combat-the-diseases-that-attack-the-apple-tree-and-itsfruit-62-apple-pests-and-injuries-6-the-effect-of-disease-cannot-be-remedied-that-is-the-leavesor-fruit-cannot-be-cured-of-disease-after-it-has-become-estab-lished-in-the-fruit-or-leaves-the-only-possible-method-ofcombating-disease-is-by-preventive-measures-that-is-bymeasures-to-prevent-the-growth-on-the-fruit-or-leaves-of-theorganisms-that-cause-disease-the-most-important-preventive-measure-is-spraying-withsome-substance-that-is-su-2AKT5X7.jpg "[Fruit culture] . ed on very long.Therefore, to grow apples successfully, the orchardist mustlearn to combat the diseases that attack the apple tree and itsfruit. 62 APPLE PESTS AND INJURIES §6 The effect of disease cannot be remedied; that is, the leavesor fruit cannot be cured of disease after it has become estab-lished in the fruit or leaves. The only possible method ofcombating disease is by preventive measures; that is, bymeasures to prevent the growth on the fruit or leaves of theorganisms that cause disease. The most important preventive measure is spraying withsome substance that is su Stock Photo")
[Fruit culture] . ed on very long.Therefore, to grow apples successfully, the orchardist mustlearn to combat the diseases that attack the apple tree and itsfruit. 62 APPLE PESTS AND INJURIES §6 The effect of disease cannot be remedied; that is, the leavesor fruit cannot be cured of disease after it has become estab-lished in the fruit or leaves. The only possible method ofcombating disease is by preventive measures; that is, bymeasures to prevent the growth on the fruit or leaves of theorganisms that cause disease. The most important preventive measure is spraying withsome substance that is su Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fruit-culture-ed-on-very-longtherefore-to-grow-apples-successfully-the-orchardist-mustlearn-to-combat-the-diseases-that-attack-the-apple-tree-and-itsfruit-62-apple-pests-and-injuries-6-the-effect-of-disease-cannot-be-remedied-that-is-the-leavesor-fruit-cannot-be-cured-of-disease-after-it-has-become-estab-lished-in-the-fruit-or-leaves-the-only-possible-method-ofcombating-disease-is-by-preventive-measures-that-is-bymeasures-to-prevent-the-growth-on-the-fruit-or-leaves-of-theorganisms-that-cause-disease-the-most-important-preventive-measure-is-spraying-withsome-substance-that-is-su-image339206959.htmlRM2AKT5X7–[Fruit culture] . ed on very long.Therefore, to grow apples successfully, the orchardist mustlearn to combat the diseases that attack the apple tree and itsfruit. 62 APPLE PESTS AND INJURIES §6 The effect of disease cannot be remedied; that is, the leavesor fruit cannot be cured of disease after it has become estab-lished in the fruit or leaves. The only possible method ofcombating disease is by preventive measures; that is, bymeasures to prevent the growth on the fruit or leaves of theorganisms that cause disease. The most important preventive measure is spraying withsome substance that is su
Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-172787247.htmlRFM133W3–Dry apple, quince rotten fruit on the tree in orchard, organic food.
Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image333538778.htmlRF2AAJ036–Dry apple, quince rotten fruit on the tree in orchard, organic food.
Diseases of fruit trees. Moniliosis.rotten apple on a garden background.Garden and Plant Health. Pest and disease control in the garden. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-fruit-trees-moniliosisrotten-apple-on-a-garden-backgroundgarden-and-plant-health-pest-and-disease-control-in-the-garden-image621416095.htmlRF2Y2YXFY–Diseases of fruit trees. Moniliosis.rotten apple on a garden background.Garden and Plant Health. Pest and disease control in the garden.
Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image333538588.htmlRF2AAHYTC–Dry apple, quince rotten fruit on the tree in orchard, organic food.
People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/people-wear-face-masks-while-on-a-hay-ride-at-an-apple-farm-during-the-novel-coronavirus-covid-19-pandemic-in-milton-ontario-canada-on-september-20-2020-photo-by-creative-touch-imaging-ltdnurphoto-image489280396.htmlRM2KC0J3T–People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto)
apple tree (Malus domestica), damage by mould, Monilia spec. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/apple-tree-malus-domestica-damage-by-mould-monilia-spec-image7928413.htmlRMAF9CNE–apple tree (Malus domestica), damage by mould, Monilia spec.
. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 283 destructive in that state. Under ordinary circumstances the fungus is doubtless a mere saprophyte, and it. is not restricted to the apple or to other members of the apple family. It has in fact been found upon such trees as the following: American elm (Ulmus america?ia), Magnolia sp., Judas tree (Cercis canadensis), and Sorbus sp. Symptoms. The disease is usually found upon the larger limbs or upon the trunk, and the appearance of the canker areas is so characterist Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungous-diseases-of-plants-with-chapters-on-physiology-culture-methods-and-technique-fungi-in-agriculture-ascomycetes-283-destructive-in-that-state-under-ordinary-circumstances-the-fungus-is-doubtless-a-mere-saprophyte-and-it-is-not-restricted-to-the-apple-or-to-other-members-of-the-apple-family-it-has-in-fact-been-found-upon-such-trees-as-the-following-american-elm-ulmus-americaia-magnolia-sp-judas-tree-cercis-canadensis-and-sorbus-sp-symptoms-the-disease-is-usually-found-upon-the-larger-limbs-or-upon-the-trunk-and-the-appearance-of-the-canker-areas-is-so-characterist-image216446373.htmlRMPG3YFH–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 283 destructive in that state. Under ordinary circumstances the fungus is doubtless a mere saprophyte, and it. is not restricted to the apple or to other members of the apple family. It has in fact been found upon such trees as the following: American elm (Ulmus america?ia), Magnolia sp., Judas tree (Cercis canadensis), and Sorbus sp. Symptoms. The disease is usually found upon the larger limbs or upon the trunk, and the appearance of the canker areas is so characterist
pear tree disease on leaves and fruits close up. Protection of garden against fungus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/pear-tree-disease-on-leaves-and-fruits-close-up-protection-of-garden-against-fungus-image242816033.htmlRFT31695–pear tree disease on leaves and fruits close up. Protection of garden against fungus
Scab 5 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-scab-5-176180043.htmlRFM6HKCB–Scab 5
A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-system-for-patient-recovery-procedures-view-from-above-copy-space-image349085033.htmlRF2B7X5EH–A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space
Green leaf of a pear close-up with damage by ulcers of diseases and fungi of brown spotting of scab monniliosis. Gardening problems. Fungal and viral diseases of plants. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/green-leaf-of-a-pear-close-up-with-damage-by-ulcers-of-diseases-and-fungi-of-brown-spotting-of-scab-monniliosis-gardening-problems-fungal-and-viral-diseases-of-plants-image340670656.htmlRF2AP6TW4–Green leaf of a pear close-up with damage by ulcers of diseases and fungi of brown spotting of scab monniliosis. Gardening problems. Fungal and viral diseases of plants.
Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 Trees and Timber 383 CEDAR, RED (Juniperus) Rusts * {Gymnosporangium sps.). — Several distinct species of the parasite occur on Juniperus, some of which produce the usual 'cedar-apples/' others produce cankers or witches-brooms on the branches, or spots on the leaves. They are usually of but small significance to the cedar tree itself unless exceptionally abundant. See apple rust. Fig. 200. — 'Cedar-apple,' gall of the rust fungus. Original. White-rot ' {Fomes juniperinus v. Sch.). — In this d Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-economic-plants-1921-diseases-of-economic-plants-diseasesofeconom01stev-year-1921-trees-and-timber-383-cedar-red-juniperus-rusts-gymnosporangium-sps-several-distinct-species-of-the-parasite-occur-on-juniperus-some-of-which-produce-the-usual-cedar-apples-others-produce-cankers-or-witches-brooms-on-the-branches-or-spots-on-the-leaves-they-are-usually-of-but-small-significance-to-the-cedar-tree-itself-unless-exceptionally-abundant-see-apple-rust-fig-200-cedar-apple-gall-of-the-rust-fungus-original-white-rot-fomes-juniperinus-v-sch-in-this-d-image241952669.htmlRMT1HW2N–Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 Trees and Timber 383 CEDAR, RED (Juniperus) Rusts * {Gymnosporangium sps.). — Several distinct species of the parasite occur on Juniperus, some of which produce the usual 'cedar-apples/' others produce cankers or witches-brooms on the branches, or spots on the leaves. They are usually of but small significance to the cedar tree itself unless exceptionally abundant. See apple rust. Fig. 200. — 'Cedar-apple,' gall of the rust fungus. Original. White-rot ' {Fomes juniperinus v. Sch.). — In this d
Dry quince fruit in the crown of the tree. Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-quince-fruit-in-the-crown-of-the-tree-dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image503381589.htmlRF2M6Y09W–Dry quince fruit in the crown of the tree. Dry apple, quince rotten fruit on the tree in orchard, organic food.
Cedar-apple Rust (Gymnosporangium juniperi-virginianae) gall, growing on Juniper (Juniperus sp.), Speen Garden, Buckinghamshire, England, April Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-cedar-apple-rust-gymnosporangium-juniperi-virginianae-gall-growing-87949323.htmlRMF32C77–Cedar-apple Rust (Gymnosporangium juniperi-virginianae) gall, growing on Juniper (Juniperus sp.), Speen Garden, Buckinghamshire, England, April
Primary infection of powdery mildew Podosphaera leucotricha on apple leaves at high magnification. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/primary-infection-of-powdery-mildew-podosphaera-leucotricha-on-apple-leaves-at-high-magnification-image471051534.htmlRF2JAA712–Primary infection of powdery mildew Podosphaera leucotricha on apple leaves at high magnification.
Fungal diseases on the branch of apple Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungal-diseases-on-the-branch-of-apple-image350514735.htmlRF2BA793B–Fungal diseases on the branch of apple
Green leafhopper, Cicadellidae, Empoasca on the underside of apple tree leaves in the garden. A pest that sucks plant sap and transmits plant diseases Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/green-leafhopper-cicadellidae-empoasca-on-the-underside-of-apple-tree-leaves-in-the-garden-a-pest-that-sucks-plant-sap-and-transmits-plant-diseases-image621556874.htmlRF2Y36A3P–Green leafhopper, Cicadellidae, Empoasca on the underside of apple tree leaves in the garden. A pest that sucks plant sap and transmits plant diseases
. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . may start any-where upon the surface. Itgradually spreads from the point of infection through-out the tissues, causingbrown and decayed spots asit progresses. The larger fig. i6. apple affected by bit-fruits usually fall to the ^^^^ ^^ yungvs, showing •^ BLACK PUSTULES ON ground, but many of the the skin. smaller ones shrivel up and remain on the tree in amummified condition. Great quantities of spores aredeveloped on these withered ^^Miangers-on, and by Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungi-and-fungicides-a-practical-manual-concerning-the-fungous-diseases-of-cultivated-plants-and-the-means-of-preventing-their-ravages-may-start-any-where-upon-the-surface-itgradually-spreads-from-the-point-of-infection-through-out-the-tissues-causingbrown-and-decayed-spots-asit-progresses-the-larger-fig-i6-apple-affected-by-bit-fruits-usually-fall-to-the-yungvs-showing-black-pustules-on-ground-but-many-of-the-the-skin-smaller-ones-shrivel-up-and-remain-on-the-tree-in-amummified-condition-great-quantities-of-spores-aredeveloped-on-these-withered-miangers-on-and-by-image369690528.htmlRM2CDCT14–. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . may start any-where upon the surface. Itgradually spreads from the point of infection through-out the tissues, causingbrown and decayed spots asit progresses. The larger fig. i6. apple affected by bit-fruits usually fall to the ^^^^ ^^ yungvs, showing •^ BLACK PUSTULES ON ground, but many of the the skin. smaller ones shrivel up and remain on the tree in amummified condition. Great quantities of spores aredeveloped on these withered ^^Miangers-on, and by
Old damage scar caused by an apple sawfly larva Hoplocampa testudinea to an apple fruit. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/old-damage-scar-caused-by-an-apple-sawfly-larva-hoplocampa-testudinea-to-an-apple-fruit-image558552275.htmlRF2RCM73F–Old damage scar caused by an apple sawfly larva Hoplocampa testudinea to an apple fruit.
Hoplocampe, Hoplocampa sp., adult hymenopteran sawfly in the family Tenthredinidae on apple buds. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/hoplocampe-hoplocampa-sp-adult-hymenopteran-sawfly-in-the-family-tenthredinidae-on-apple-buds-image622951673.htmlRF2Y5DW61–Hoplocampe, Hoplocampa sp., adult hymenopteran sawfly in the family Tenthredinidae on apple buds.
Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image333538589.htmlRF2AAHYTD–Dry apple, quince rotten fruit on the tree in orchard, organic food.
Powdery mildew Podosphaera leucotricha primary infection on apple flower buds Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/powdery-mildew-podosphaera-leucotricha-primary-infection-on-apple-flower-buds-image478104640.htmlRF2JNRF9M–Powdery mildew Podosphaera leucotricha primary infection on apple flower buds
Moniliosis.rotten apple on a garden background.Garden and Plant Health. Diseases of fruit trees.Pest and disease control in the garden. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/moniliosisrotten-apple-on-a-garden-backgroundgarden-and-plant-health-diseases-of-fruit-treespest-and-disease-control-in-the-garden-image621416176.htmlRF2Y2YXJT– Moniliosis.rotten apple on a garden background.Garden and Plant Health. Diseases of fruit trees.Pest and disease control in the garden.
People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/people-wear-face-masks-while-on-a-hay-ride-at-an-apple-farm-during-the-novel-coronavirus-covid-19-pandemic-in-milton-ontario-canada-on-september-20-2020-photo-by-creative-touch-imaging-ltdnurphoto-image489280414.htmlRM2KC0J4E–People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto)
pear tree disease on leaves and fruits close up. Protection of garden against fungus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/pear-tree-disease-on-leaves-and-fruits-close-up-protection-of-garden-against-fungus-image242815992.htmlRFT3167M–pear tree disease on leaves and fruits close up. Protection of garden against fungus
Nectria chanker (Nectria galligena), on apple tree Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nectria-chanker-nectria-galligena-on-apple-tree-image7631801.htmlRMADA7RA–Nectria chanker (Nectria galligena), on apple tree
Scab 3 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-scab-3-176462802.htmlRFM72G2X–Scab 3
A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-system-for-patient-recovery-procedures-view-from-above-copy-space-image349084995.htmlRF2B7X5D7–A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space
. Manual of tree diseases . Trees. POPLAR DISEASES 307 pecially apple, are often attacked when orchards are near forested areas. The maples, especially striped and silver, are commonly attacked when mixed in the forest with beech and aspen. Trees of all ages become infected and it is not imcommon to find ninety per cent or more of second growth trees less than five inches in diameter severely decayed. The form of the fruiting-bodies and the characters of the decay are similar for all the kinds of trees affected. Symptoms. Cross-sections of limbs or trunks affected by the common white wood-rot Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/manual-of-tree-diseases-trees-poplar-diseases-307-pecially-apple-are-often-attacked-when-orchards-are-near-forested-areas-the-maples-especially-striped-and-silver-are-commonly-attacked-when-mixed-in-the-forest-with-beech-and-aspen-trees-of-all-ages-become-infected-and-it-is-not-imcommon-to-find-ninety-per-cent-or-more-of-second-growth-trees-less-than-five-inches-in-diameter-severely-decayed-the-form-of-the-fruiting-bodies-and-the-characters-of-the-decay-are-similar-for-all-the-kinds-of-trees-affected-symptoms-cross-sections-of-limbs-or-trunks-affected-by-the-common-white-wood-rot-image216369241.htmlRMPG0D4W–. Manual of tree diseases . Trees. POPLAR DISEASES 307 pecially apple, are often attacked when orchards are near forested areas. The maples, especially striped and silver, are commonly attacked when mixed in the forest with beech and aspen. Trees of all ages become infected and it is not imcommon to find ninety per cent or more of second growth trees less than five inches in diameter severely decayed. The form of the fruiting-bodies and the characters of the decay are similar for all the kinds of trees affected. Symptoms. Cross-sections of limbs or trunks affected by the common white wood-rot
Dry quince fruit in the crown of the tree. Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-quince-fruit-in-the-crown-of-the-tree-dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image503381580.htmlRF2M6Y09G–Dry quince fruit in the crown of the tree. Dry apple, quince rotten fruit on the tree in orchard, organic food.
Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 TREES AND TIMBER 435 CEDAR, RED Rust (Gymnosporangium, various species).—The 'cedar apples,' familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust. Fig. 190. — Longitudinal section of cedar showing effect of Polyporus juniperinus. After von Schrenk. White rot (Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-economic-plants-1910-diseases-of-economic-plants-diseasesofeconom02stev-year-1910-trees-and-timber-435-cedar-red-rust-gymnosporangium-various-speciesthe-cedar-apples-familiar-upon-the-red-cedar-are-usually-of-but-small-significance-to-the-cedar-tree-itself-unless-exception-ally-abundant-see-apple-rust-fig-190-longitudinal-section-of-cedar-showing-effect-of-polyporus-juniperinus-after-von-schrenk-white-rot-polyporus-juniperinus-v-schrenk-in-this-disease-long-holes-appear-in-the-heartwood-extend-ing-longitudinally-with-a-partition-of-sound-wood-be-image241953758.htmlRMT1HXDJ–Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 TREES AND TIMBER 435 CEDAR, RED Rust (Gymnosporangium, various species).—The 'cedar apples,' familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust. Fig. 190. — Longitudinal section of cedar showing effect of Polyporus juniperinus. After von Schrenk. White rot (Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be-
Cedar-apple Rust (Gymnosporangium juniperi-virginianae) pustules on Apple (Malus sp.) leaf underside, Speen Garden, Buckinghamshire, England, September Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-cedar-apple-rust-gymnosporangium-juniperi-virginianae-pustules-on-90936849.htmlRMF7XETH–Cedar-apple Rust (Gymnosporangium juniperi-virginianae) pustules on Apple (Malus sp.) leaf underside, Speen Garden, Buckinghamshire, England, September
Fungal diseases on the branch of apple Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungal-diseases-on-the-branch-of-apple-image350514695.htmlRF2BA791Y–Fungal diseases on the branch of apple
. Agriculture for southern schools. Fig. 157.—A Peach Tree protectedAGAINST Leaf-curl by Spraying SOME DISEASES OF FRUITS 231 it may cause the little apples to fall. In ordinary seasonsthis disease is well controlled by spraying at intervals oftwo weeks with Bordeaux mixture. Bitter-rot of the apple. —As the name implies, an appleattacked by this disease has a bitter taste. Bitter-rot isworst in moist, warmweather. It begins asa small spot and rapidlyspreads from fruit tofruit. Later the affectedarea becomes flattenedor sunken. A few daysafter the rot has begun,there are little circles ofblack Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/agriculture-for-southern-schools-fig-157a-peach-tree-protectedagainst-leaf-curl-by-spraying-some-diseases-of-fruits-231-it-may-cause-the-little-apples-to-fall-in-ordinary-seasonsthis-disease-is-well-controlled-by-spraying-at-intervals-oftwo-weeks-with-bordeaux-mixture-bitter-rot-of-the-apple-as-the-name-implies-an-appleattacked-by-this-disease-has-a-bitter-taste-bitter-rot-isworst-in-moist-warmweather-it-begins-asa-small-spot-and-rapidlyspreads-from-fruit-tofruit-later-the-affectedarea-becomes-flattenedor-sunken-a-few-daysafter-the-rot-has-begunthere-are-little-circles-ofblack-image370495044.htmlRM2CENE5T–. Agriculture for southern schools. Fig. 157.—A Peach Tree protectedAGAINST Leaf-curl by Spraying SOME DISEASES OF FRUITS 231 it may cause the little apples to fall. In ordinary seasonsthis disease is well controlled by spraying at intervals oftwo weeks with Bordeaux mixture. Bitter-rot of the apple. —As the name implies, an appleattacked by this disease has a bitter taste. Bitter-rot isworst in moist, warmweather. It begins asa small spot and rapidlyspreads from fruit tofruit. Later the affectedarea becomes flattenedor sunken. A few daysafter the rot has begun,there are little circles ofblack
Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image333538605.htmlRF2AAHYW1–Dry apple, quince rotten fruit on the tree in orchard, organic food.
Powdery mildew Podosphaera leucotricha primary infection on apple flower buds Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/powdery-mildew-podosphaera-leucotricha-primary-infection-on-apple-flower-buds-image478104682.htmlRF2JNRFB6–Powdery mildew Podosphaera leucotricha primary infection on apple flower buds
Fruit rot. Moniliosis.rotten apple on a garden background.Garden and Plant Health. Diseases of fruit trees.Pest and disease control in the garden. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fruit-rot-moniliosisrotten-apple-on-a-garden-backgroundgarden-and-plant-health-diseases-of-fruit-treespest-and-disease-control-in-the-garden-image621416173.htmlRF2Y2YXJN–Fruit rot. Moniliosis.rotten apple on a garden background.Garden and Plant Health. Diseases of fruit trees.Pest and disease control in the garden.
People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/people-wear-face-masks-while-on-a-hay-ride-at-an-apple-farm-during-the-novel-coronavirus-covid-19-pandemic-in-milton-ontario-canada-on-september-20-2020-photo-by-creative-touch-imaging-ltdnurphoto-image489280423.htmlRM2KC0J4R–People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto)
pear tree disease on leaves and fruits close up. Protection of garden against fungus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/pear-tree-disease-on-leaves-and-fruits-close-up-protection-of-garden-against-fungus-image242816008.htmlRFT31688–pear tree disease on leaves and fruits close up. Protection of garden against fungus
mould (Monilia spec.), infestation of apples Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-mould-monilia-spec-infestation-of-apples-12454498.htmlRMA9XDHR–mould (Monilia spec.), infestation of apples
A sanitary mask helps prevent the entry of the Corona virus or other diseases. Alcoholic antiseptic cleanses hands and face from infection. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-alcoholic-antiseptic-cleanses-hands-and-face-from-infection-copy-space-image349085640.htmlRF2B7X688–A sanitary mask helps prevent the entry of the Corona virus or other diseases. Alcoholic antiseptic cleanses hands and face from infection. Copy space
. Manual of fruit diseases . Fruit. APPLE DISEASES 131 critical notice be taken, however, it will be seen that the pustules on the superficial bark-canker are of an open, saucer-shaped tj'pe, while on the black-rot canker they are closed, flask-shaped bodies. The dead bark clings tightly to the limb for some time. Later, bits of bark fall from the tree. Old cankers usually show considerable checking of the bark (Fig. 34); these crevices are short and sometimes extend at right angles to the long axis of the affected limb. Cause. The fungus Myxosporium corticolum is responsible for the superfici Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/manual-of-fruit-diseases-fruit-apple-diseases-131-critical-notice-be-taken-however-it-will-be-seen-that-the-pustules-on-the-superficial-bark-canker-are-of-an-open-saucer-shaped-tjpe-while-on-the-black-rot-canker-they-are-closed-flask-shaped-bodies-the-dead-bark-clings-tightly-to-the-limb-for-some-time-later-bits-of-bark-fall-from-the-tree-old-cankers-usually-show-considerable-checking-of-the-bark-fig-34-these-crevices-are-short-and-sometimes-extend-at-right-angles-to-the-long-axis-of-the-affected-limb-cause-the-fungus-myxosporium-corticolum-is-responsible-for-the-superfici-image216443376.htmlRMPG3RMG–. Manual of fruit diseases . Fruit. APPLE DISEASES 131 critical notice be taken, however, it will be seen that the pustules on the superficial bark-canker are of an open, saucer-shaped tj'pe, while on the black-rot canker they are closed, flask-shaped bodies. The dead bark clings tightly to the limb for some time. Later, bits of bark fall from the tree. Old cankers usually show considerable checking of the bark (Fig. 34); these crevices are short and sometimes extend at right angles to the long axis of the affected limb. Cause. The fungus Myxosporium corticolum is responsible for the superfici
Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 DISEASES OF SPECIAL CROPS 93 apple losses and has been noted in several states, notably Missouri, Nebraska, West Virginia, and North Carolina, in abundance enough to call for printed mention. Brown rot produces complete decay of the affected apples, which turn brown, become soft and wrinkled, and soon show pustules of bushy mycelium breaking through rifts and fissures in the skin over the diseased tissue. The diseased fruits may mummify upon the tree or more fre- quently fall to the ground and th Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-economic-plants-1910-diseases-of-economic-plants-diseasesofeconom02stev-year-1910-diseases-of-special-crops-93-apple-losses-and-has-been-noted-in-several-states-notably-missouri-nebraska-west-virginia-and-north-carolina-in-abundance-enough-to-call-for-printed-mention-brown-rot-produces-complete-decay-of-the-affected-apples-which-turn-brown-become-soft-and-wrinkled-and-soon-show-pustules-of-bushy-mycelium-breaking-through-rifts-and-fissures-in-the-skin-over-the-diseased-tissue-the-diseased-fruits-may-mummify-upon-the-tree-or-more-fre-quently-fall-to-the-ground-and-th-image241942712.htmlRMT1HCB4–Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 DISEASES OF SPECIAL CROPS 93 apple losses and has been noted in several states, notably Missouri, Nebraska, West Virginia, and North Carolina, in abundance enough to call for printed mention. Brown rot produces complete decay of the affected apples, which turn brown, become soft and wrinkled, and soon show pustules of bushy mycelium breaking through rifts and fissures in the skin over the diseased tissue. The diseased fruits may mummify upon the tree or more fre- quently fall to the ground and th
Cultivated Crabapple (Malus sp.) close-up of leaves, infected with Cedar-apple Rust (Gymnosporangium juniperi-virginianae), Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-cultivated-crabapple-malus-sp-close-up-of-leaves-infected-with-cedar-49039977.htmlRMCRNXYN–Cultivated Crabapple (Malus sp.) close-up of leaves, infected with Cedar-apple Rust (Gymnosporangium juniperi-virginianae),
Fungal diseases on the branch of apple Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungal-diseases-on-the-branch-of-apple-image350514738.htmlRF2BA793E–Fungal diseases on the branch of apple
. Ontario Sessional Papers, 1919, No.26-41 . Fig. 12.—Trees defoliated by May-beetles {Lachnosterna spp.). The treesin centre are bur oak and the tree to right an plm.. Fig. 13.—Hickory woodlot defoliated by May-beetles {Lachnosterna spp.).The undefoliated tree to left is an apple. 60 TlIK IJEIMJIJT OF TITK Xo. 36 INSECTS AS AGENTS IN THE DISSEMINATION OF PLANT DISEASES.Lawson Caesak, 0. A. C, Guelph. The following was delivered as the Presidents Address: There are three great classes of plant diseases in the dissemination of whichinsects play a part. These are:—first, diseases due to fungi; s Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/ontario-sessional-papers-1919-no26-41-fig-12trees-defoliated-by-may-beetles-lachnosterna-spp-the-treesin-centre-are-bur-oak-and-the-tree-to-right-an-plm-fig-13hickory-woodlot-defoliated-by-may-beetles-lachnosterna-sppthe-undefoliated-tree-to-left-is-an-apple-60-tlik-ijeimjijt-of-titk-xo-36-insects-as-agents-in-the-dissemination-of-plant-diseaseslawson-caesak-0-a-c-guelph-the-following-was-delivered-as-the-presidents-address-there-are-three-great-classes-of-plant-diseases-in-the-dissemination-of-whichinsects-play-a-part-these-arefirst-diseases-due-to-fungi-s-image369664935.htmlRM2CDBKB3–. Ontario Sessional Papers, 1919, No.26-41 . Fig. 12.—Trees defoliated by May-beetles {Lachnosterna spp.). The treesin centre are bur oak and the tree to right an plm.. Fig. 13.—Hickory woodlot defoliated by May-beetles {Lachnosterna spp.).The undefoliated tree to left is an apple. 60 TlIK IJEIMJIJT OF TITK Xo. 36 INSECTS AS AGENTS IN THE DISSEMINATION OF PLANT DISEASES.Lawson Caesak, 0. A. C, Guelph. The following was delivered as the Presidents Address: There are three great classes of plant diseases in the dissemination of whichinsects play a part. These are:—first, diseases due to fungi; s
Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image333538583.htmlRF2AAHYT7–Dry apple, quince rotten fruit on the tree in orchard, organic food.
Powdery mildew Podosphaera leucotricha primary infection on apple flower buds Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/powdery-mildew-podosphaera-leucotricha-primary-infection-on-apple-flower-buds-image478104645.htmlRF2JNRF9W–Powdery mildew Podosphaera leucotricha primary infection on apple flower buds
Fruit rot. Moniliosis.Garden and Plant Health. Diseases of fruit trees.Pest and disease control in the garden. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fruit-rot-moniliosisgarden-and-plant-health-diseases-of-fruit-treespest-and-disease-control-in-the-garden-image621415977.htmlRF2Y2YXBN–Fruit rot. Moniliosis.Garden and Plant Health. Diseases of fruit trees.Pest and disease control in the garden.
People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/people-wear-face-masks-while-on-a-hay-ride-at-an-apple-farm-during-the-novel-coronavirus-covid-19-pandemic-in-milton-ontario-canada-on-september-20-2020-photo-by-creative-touch-imaging-ltdnurphoto-image489280399.htmlRM2KC0J3Y–People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto)
pear tree disease on leaves and fruits close up. Protection of garden against fungus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/pear-tree-disease-on-leaves-and-fruits-close-up-protection-of-garden-against-fungus-image242765801.htmlRFT2XX75–pear tree disease on leaves and fruits close up. Protection of garden against fungus
A sanitary mask helps prevent the entry of the Corona virus or other diseases. Alcoholic antiseptic cleanses hands and face from infection. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-alcoholic-antiseptic-cleanses-hands-and-face-from-infection-copy-space-image349085657.htmlRF2B7X68W–A sanitary mask helps prevent the entry of the Corona virus or other diseases. Alcoholic antiseptic cleanses hands and face from infection. Copy space
. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APPLE DISEASES 481 times the branches on one side of the tree are healthy, while on the other side they are diseased. Invariably the dis- eased branches can be traced to diseased roots on the same side, unless the injury is above the ground. ;- On the high lands I sometimes found a lack of water. Under these conditions rosette could not have been Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-encyclopedia-of-practical-horticulture-a-reference-system-of-commercial-horticulture-covering-the-practical-and-scientific-phases-of-horticulture-with-special-reference-to-fruits-and-vegetables-gardening-fruit-culture-vegetable-gardening-apple-diseases-481-times-the-branches-on-one-side-of-the-tree-are-healthy-while-on-the-other-side-they-are-diseased-invariably-the-dis-eased-branches-can-be-traced-to-diseased-roots-on-the-same-side-unless-the-injury-is-above-the-ground-on-the-high-lands-i-sometimes-found-a-lack-of-water-under-these-conditions-rosette-could-not-have-been-image216330494.htmlRMPFXKN2–. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APPLE DISEASES 481 times the branches on one side of the tree are healthy, while on the other side they are diseased. Invariably the dis- eased branches can be traced to diseased roots on the same side, unless the injury is above the ground. ;- On the high lands I sometimes found a lack of water. Under these conditions rosette could not have been
![Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] > Fig. 58.— Venturia inaequalis. i, conidial stage (Fusicladium dendriti- f«;«) on apple leaf; 2, 3 and 4, conidial stage; 6, section of perithecium ( Venturia stage) ; 7 and 8, asci and spores of Venturia ; 9, apple twig with Fusicladium stage, as appearing during winter and spring. Figs, i and 9 reduced ; remainder highly mag. practicable. I am not convinced. I believe that it is as practicable to remove the dead shoots from a tree as it is to remove the apples, in fact Stock Photo](https://c8.alamy.com/comp/T1HJKN/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-gt-fig-58-venturia-inaequalis-i-conidial-stage-fusicladium-dendriti-f-on-apple-leaf-2-3-and-4-conidial-stage-6-section-of-perithecium-venturia-stage-7-and-8-asci-and-spores-of-venturia-9-apple-twig-with-fusicladium-stage-as-appearing-during-winter-and-spring-figs-i-and-9-reduced-remainder-highly-mag-practicable-i-am-not-convinced-i-believe-that-it-is-as-practicable-to-remove-the-dead-shoots-from-a-tree-as-it-is-to-remove-the-apples-in-fact-T1HJKN.jpg "Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] > Fig. 58.— Venturia inaequalis. i, conidial stage (Fusicladium dendriti- f«;«) on apple leaf; 2, 3 and 4, conidial stage; 6, section of perithecium ( Venturia stage) ; 7 and 8, asci and spores of Venturia ; 9, apple twig with Fusicladium stage, as appearing during winter and spring. Figs, i and 9 reduced ; remainder highly mag. practicable. I am not convinced. I believe that it is as practicable to remove the dead shoots from a tree as it is to remove the apples, in fact Stock Photo")
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] > Fig. 58.— Venturia inaequalis. i, conidial stage (Fusicladium dendriti- f«;«) on apple leaf; 2, 3 and 4, conidial stage; 6, section of perithecium ( Venturia stage) ; 7 and 8, asci and spores of Venturia ; 9, apple twig with Fusicladium stage, as appearing during winter and spring. Figs, i and 9 reduced ; remainder highly mag. practicable. I am not convinced. I believe that it is as practicable to remove the dead shoots from a tree as it is to remove the apples, in fact Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-gt-fig-58-venturia-inaequalis-i-conidial-stage-fusicladium-dendriti-f-on-apple-leaf-2-3-and-4-conidial-stage-6-section-of-perithecium-venturia-stage-7-and-8-asci-and-spores-of-venturia-9-apple-twig-with-fusicladium-stage-as-appearing-during-winter-and-spring-figs-i-and-9-reduced-remainder-highly-mag-practicable-i-am-not-convinced-i-believe-that-it-is-as-practicable-to-remove-the-dead-shoots-from-a-tree-as-it-is-to-remove-the-apples-in-fact-image241947657.htmlRMT1HJKN–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] > Fig. 58.— Venturia inaequalis. i, conidial stage (Fusicladium dendriti- f«;«) on apple leaf; 2, 3 and 4, conidial stage; 6, section of perithecium ( Venturia stage) ; 7 and 8, asci and spores of Venturia ; 9, apple twig with Fusicladium stage, as appearing during winter and spring. Figs, i and 9 reduced ; remainder highly mag. practicable. I am not convinced. I believe that it is as practicable to remove the dead shoots from a tree as it is to remove the apples, in fact
Quince cultureAn illustrated hand-book for the propagation and cultivation of the quince with descriptions of its varieties, insect enemies, diseases, and their remedies . e pear. Theapple bears comparatively worthless fruit, and thequinces are the most valuable of all in this instance.There are several courses to pursue, the best of whichcannot be foretold. If spraying is to be employed, itshould be upon all three kinds of trees—apple, pear andquince. If the axe is to be used, it should be laid atthe root of the apple tree. But if the apple tree is tobe saved, the fruit fallen from it should Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/quince-culturean-illustrated-hand-book-for-the-propagation-and-cultivation-of-the-quince-with-descriptions-of-its-varieties-insect-enemies-diseases-and-their-remedies-e-pear-theapple-bears-comparatively-worthless-fruit-and-thequinces-are-the-most-valuable-of-all-in-this-instancethere-are-several-courses-to-pursue-the-best-of-whichcannot-be-foretold-if-spraying-is-to-be-employed-itshould-be-upon-all-three-kinds-of-treesapple-pear-andquince-if-the-axe-is-to-be-used-it-should-be-laid-atthe-root-of-the-apple-tree-but-if-the-apple-tree-is-tobe-saved-the-fruit-fallen-from-it-should-image342719601.htmlRM2AWG69N–Quince cultureAn illustrated hand-book for the propagation and cultivation of the quince with descriptions of its varieties, insect enemies, diseases, and their remedies . e pear. Theapple bears comparatively worthless fruit, and thequinces are the most valuable of all in this instance.There are several courses to pursue, the best of whichcannot be foretold. If spraying is to be employed, itshould be upon all three kinds of trees—apple, pear andquince. If the axe is to be used, it should be laid atthe root of the apple tree. But if the apple tree is tobe saved, the fruit fallen from it should
Dry apple, quince rotten fruit on the tree in orchard, organic food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-apple-quince-rotten-fruit-on-the-tree-in-orchard-organic-food-image333538585.htmlRF2AAHYT9–Dry apple, quince rotten fruit on the tree in orchard, organic food.
Powdery mildew Podosphaera leucotricha primary infection on apple flower buds Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/powdery-mildew-podosphaera-leucotricha-primary-infection-on-apple-flower-buds-image478104680.htmlRF2JNRFB4–Powdery mildew Podosphaera leucotricha primary infection on apple flower buds
People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/people-wear-face-masks-while-on-a-hay-ride-at-an-apple-farm-during-the-novel-coronavirus-covid-19-pandemic-in-milton-ontario-canada-on-september-20-2020-photo-by-creative-touch-imaging-ltdnurphoto-image489280395.htmlRM2KC0J3R–People wear face masks while on a hay ride at an apple farm during the novel coronavirus (COVID-19) pandemic in Milton, Ontario, Canada, on September 20, 2020. (Photo by Creative Touch Imaging Ltd./NurPhoto)
Woman wearing a face mask to protect her from the novel coronavirus (COVID-19) while picking apples at a farm in King City, Ontario, Canada on September 04, 2021. Ontario reported 944 new COVID-19 cases and nine deaths today, the province's highest daily case count in more than three months, and the highest count of new cases in unvaccinated people since the province began keeping track. Of the new cases, 651 were in unvaccinated people or those with only one dose of a vaccine, while 208 were in fully vaccinated people. Another 85 cases involved people with unknown vaccination status. Infectio Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/woman-wearing-a-face-mask-to-protect-her-from-the-novel-coronavirus-covid-19-while-picking-apples-at-a-farm-in-king-city-ontario-canada-on-september-04-2021-ontario-reported-944-new-covid-19-cases-and-nine-deaths-today-the-provinces-highest-daily-case-count-in-more-than-three-months-and-the-highest-count-of-new-cases-in-unvaccinated-people-since-the-province-began-keeping-track-of-the-new-cases-651-were-in-unvaccinated-people-or-those-with-only-one-dose-of-a-vaccine-while-208-were-in-fully-vaccinated-people-another-85-cases-involved-people-with-unknown-vaccination-status-infectio-image489705596.htmlRM2KCM0DG–Woman wearing a face mask to protect her from the novel coronavirus (COVID-19) while picking apples at a farm in King City, Ontario, Canada on September 04, 2021. Ontario reported 944 new COVID-19 cases and nine deaths today, the province's highest daily case count in more than three months, and the highest count of new cases in unvaccinated people since the province began keeping track. Of the new cases, 651 were in unvaccinated people or those with only one dose of a vaccine, while 208 were in fully vaccinated people. Another 85 cases involved people with unknown vaccination status. Infectio
A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-system-for-patient-recovery-procedures-view-from-above-copy-space-image349084736.htmlRF2B7X540–A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space
. Manual of fruit diseases . Fruit. APPLE DISEASES 17 epidermis exposing pink masses at their tips (Fig. 5). As the spot increases in diameter the pustules follow rather closely the advancing circumference of the lesion. At the same time the spot is developing outwardly, it is also progressing inwardly, and a section made perpendicular to the surface, through the center of the spot, shows the rotted area to be funnel-shaped. Finally, the whole fruit is involved and a mummy is the re- sult (Fig. 5). Some of the affected fruits fall while others cling to the tree for at least a year. Spots which Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/manual-of-fruit-diseases-fruit-apple-diseases-17-epidermis-exposing-pink-masses-at-their-tips-fig-5-as-the-spot-increases-in-diameter-the-pustules-follow-rather-closely-the-advancing-circumference-of-the-lesion-at-the-same-time-the-spot-is-developing-outwardly-it-is-also-progressing-inwardly-and-a-section-made-perpendicular-to-the-surface-through-the-center-of-the-spot-shows-the-rotted-area-to-be-funnel-shaped-finally-the-whole-fruit-is-involved-and-a-mummy-is-the-re-sult-fig-5-some-of-the-affected-fruits-fall-while-others-cling-to-the-tree-for-at-least-a-year-spots-which-image216444259.htmlRMPG3TT3–. Manual of fruit diseases . Fruit. APPLE DISEASES 17 epidermis exposing pink masses at their tips (Fig. 5). As the spot increases in diameter the pustules follow rather closely the advancing circumference of the lesion. At the same time the spot is developing outwardly, it is also progressing inwardly, and a section made perpendicular to the surface, through the center of the spot, shows the rotted area to be funnel-shaped. Finally, the whole fruit is involved and a mummy is the re- sult (Fig. 5). Some of the affected fruits fall while others cling to the tree for at least a year. Spots which
Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom00stev Year: 1910 TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).âThe 'cedar apples,' familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust. ftion of cedar sliowins ftTcct. After von Sehrenk. Polypo White rot (Polyporus â juniperinus v. Sehrenk). â In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities maj eventually unite Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-economic-plants-1910-diseases-of-economic-plants-diseasesofeconom00stev-year-1910-trees-and-timber-435-cedar-red-rust-gymnosporangium-various-speciesthe-cedar-apples-familiar-upon-the-red-cedar-are-usually-of-but-small-significance-to-the-cedar-tree-itself-unless-exception-ally-abundant-see-apple-rust-ftion-of-cedar-sliowins-fttcct-after-von-sehrenk-polypo-white-rot-polyporus-juniperinus-v-sehrenk-in-this-disease-long-holes-appear-in-the-heartwood-extend-ing-longitudinally-with-a-partition-of-sound-wood-be-tween-these-cavities-maj-eventually-unite-image241953757.htmlRMT1HXDH–Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom00stev Year: 1910 TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).âThe 'cedar apples,' familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust. ftion of cedar sliowins ftTcct. After von Sehrenk. Polypo White rot (Polyporus â juniperinus v. Sehrenk). â In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities maj eventually unite
Quince cultureAn illustrated hand-book for the propagation and cultivation of the quince with descriptions of its varieties, insect enemies, diseases, and their remedies . ese round, dust-like specks are the sacks whichcontain the resting spores, which withstand the rigors ofwinter, and reproduce the leaf mildew the next year. Itis most thrifty on the leaves of a vigorous tree ; but,with the favor of shade, may thrive on a weakly tree. Itis also found on the leaves of apple trees, and proves veryinjurious to cherry leaves, often causing them to fallprematurely. Sulphur dusted on the leaves whe Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/quince-culturean-illustrated-hand-book-for-the-propagation-and-cultivation-of-the-quince-with-descriptions-of-its-varieties-insect-enemies-diseases-and-their-remedies-ese-round-dust-like-specks-are-the-sacks-whichcontain-the-resting-spores-which-withstand-the-rigors-ofwinter-and-reproduce-the-leaf-mildew-the-next-year-itis-most-thrifty-on-the-leaves-of-a-vigorous-tree-butwith-the-favor-of-shade-may-thrive-on-a-weakly-tree-itis-also-found-on-the-leaves-of-apple-trees-and-proves-veryinjurious-to-cherry-leaves-often-causing-them-to-fallprematurely-sulphur-dusted-on-the-leaves-whe-image342742335.htmlRM2AWH79K–Quince cultureAn illustrated hand-book for the propagation and cultivation of the quince with descriptions of its varieties, insect enemies, diseases, and their remedies . ese round, dust-like specks are the sacks whichcontain the resting spores, which withstand the rigors ofwinter, and reproduce the leaf mildew the next year. Itis most thrifty on the leaves of a vigorous tree ; but,with the favor of shade, may thrive on a weakly tree. Itis also found on the leaves of apple trees, and proves veryinjurious to cherry leaves, often causing them to fallprematurely. Sulphur dusted on the leaves whe
Powdery mildew Podosphaera leucotricha primary infection on apple flower buds Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/powdery-mildew-podosphaera-leucotricha-primary-infection-on-apple-flower-buds-image478104674.htmlRF2JNRFAX–Powdery mildew Podosphaera leucotricha primary infection on apple flower buds
A sanitary mask helps prevent the entry of the Corona virus or other diseases. On a white background. View from above. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-on-a-white-background-view-from-above-copy-space-image349077710.htmlRF2B7WT52–A sanitary mask helps prevent the entry of the Corona virus or other diseases. On a white background. View from above. Copy space
![. Diseases of economic plants . Plant diseases. TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).—The "cedar apples," familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust.. Fig. 190.- - Longitudinal section of cedar showing effect of Polyponts juniperinus. After von Schrenk. White rot {Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities may eventually unite Stock Photo](https://c8.alamy.com/comp/PG4E8E/diseases-of-economic-plants-plant-diseases-trees-and-timber-435-cedar-red-rust-gymnosporangium-various-speciesthe-quotcedar-applesquot-familiar-upon-the-red-cedar-are-usually-of-but-small-significance-to-the-cedar-tree-itself-unless-exception-ally-abundant-see-apple-rust-fig-190-longitudinal-section-of-cedar-showing-effect-of-polyponts-juniperinus-after-von-schrenk-white-rot-polyporus-juniperinus-v-schrenk-in-this-disease-long-holes-appear-in-the-heartwood-extend-ing-longitudinally-with-a-partition-of-sound-wood-be-tween-these-cavities-may-eventually-unite-PG4E8E.jpg ". Diseases of economic plants . Plant diseases. TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).—The "cedar apples," familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust.. Fig. 190.- - Longitudinal section of cedar showing effect of Polyponts juniperinus. After von Schrenk. White rot {Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities may eventually unite Stock Photo")
. Diseases of economic plants . Plant diseases. TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).—The "cedar apples," familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust.. Fig. 190.- - Longitudinal section of cedar showing effect of Polyponts juniperinus. After von Schrenk. White rot {Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities may eventually unite Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-economic-plants-plant-diseases-trees-and-timber-435-cedar-red-rust-gymnosporangium-various-speciesthe-quotcedar-applesquot-familiar-upon-the-red-cedar-are-usually-of-but-small-significance-to-the-cedar-tree-itself-unless-exception-ally-abundant-see-apple-rust-fig-190-longitudinal-section-of-cedar-showing-effect-of-polyponts-juniperinus-after-von-schrenk-white-rot-polyporus-juniperinus-v-schrenk-in-this-disease-long-holes-appear-in-the-heartwood-extend-ing-longitudinally-with-a-partition-of-sound-wood-be-tween-these-cavities-may-eventually-unite-image216457934.htmlRMPG4E8E–. Diseases of economic plants . Plant diseases. TREES AND TIMBER 435 CEDAR, RED Rust {Gymnosporangium, various species).—The "cedar apples," familiar upon the red cedar, are usually of but small significance to the cedar tree itself unless exception- ally abundant. See apple rust.. Fig. 190.- - Longitudinal section of cedar showing effect of Polyponts juniperinus. After von Schrenk. White rot {Polyporus juniperinus v. Schrenk). — In this disease long holes appear in the heartwood, extend- ing longitudinally with a partition of sound wood be- tween. These cavities may eventually unite
Diseases of fruit crops in Diseases of fruit crops in the United States in 1919 diseasesoffruitc09hutc Year: 1920 97 first time from 7 counties';; 19II - 'Collected from iG counties'; 1914 - 'More'; 1915 - 'Epidemic in Ohio the past tree ''ears*': I9ib - 'Rather more'; 1918 - 'More, ranks second only to fire blight for its seriousness in Ohio. It has prevailed on a largely increasing number of varieties, oiae of the srrious midsviramer diseases of the apple.' Indiana (Gardrier) 1912 - 'Getting to be a bad disease in Hie southern part of tie state'; 1916 - 'Quite common, southern part of the Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-fruit-crops-in-diseases-of-fruit-crops-in-the-united-states-in-1919-diseasesoffruitc09hutc-year-1920-97-first-time-from-7-counties-19ii-collected-from-ig-counties-1914-more-1915-epidemic-in-ohio-the-past-tree-ears-i9ib-rather-more-1918-more-ranks-second-only-to-fire-blight-for-its-seriousness-in-ohio-it-has-prevailed-on-a-largely-increasing-number-of-varieties-oiae-of-the-srrious-midsviramer-diseases-of-the-apple-indiana-gardrier-1912-getting-to-be-a-bad-disease-in-hie-southern-part-of-tie-state-1916-quite-common-southern-part-of-the-image241935932.htmlRMT1H3N0–Diseases of fruit crops in Diseases of fruit crops in the United States in 1919 diseasesoffruitc09hutc Year: 1920 97 first time from 7 counties';; 19II - 'Collected from iG counties'; 1914 - 'More'; 1915 - 'Epidemic in Ohio the past tree ''ears*': I9ib - 'Rather more'; 1918 - 'More, ranks second only to fire blight for its seriousness in Ohio. It has prevailed on a largely increasing number of varieties, oiae of the srrious midsviramer diseases of the apple.' Indiana (Gardrier) 1912 - 'Getting to be a bad disease in Hie southern part of tie state'; 1916 - 'Quite common, southern part of the
. Western agriculture. Figure 105.—Fire blight on peartree. PLANT DISEASES 273. Figure 106.—Fire blighton an apple tree. Symptoms. Body blight, or canker,shows itself as diseased areas in the barkof the body or the large limbs. Whenthe disease is active, these cankers areof a dark water-soaked appearance andthe advancing margin is indefinite, orraised and blistered, with or withoutooze of reddish brown drops issuing fromthe lenticels. When the canker is nolonger active, it has a definite margin.It is then separated from the healthytissue by a crack. These cankers formabout the base of a blight Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/western-agriculture-figure-105fire-blight-on-peartree-plant-diseases-273-figure-106fire-blighton-an-apple-tree-symptoms-body-blight-or-cankershows-itself-as-diseased-areas-in-the-barkof-the-body-or-the-large-limbs-whenthe-disease-is-active-these-cankers-areof-a-dark-water-soaked-appearance-andthe-advancing-margin-is-indefinite-orraised-and-blistered-with-or-withoutooze-of-reddish-brown-drops-issuing-fromthe-lenticels-when-the-canker-is-nolonger-active-it-has-a-definite-marginit-is-then-separated-from-the-healthytissue-by-a-crack-these-cankers-formabout-the-base-of-a-blight-image336727437.htmlRM2AFR77W–. Western agriculture. Figure 105.—Fire blight on peartree. PLANT DISEASES 273. Figure 106.—Fire blighton an apple tree. Symptoms. Body blight, or canker,shows itself as diseased areas in the barkof the body or the large limbs. Whenthe disease is active, these cankers areof a dark water-soaked appearance andthe advancing margin is indefinite, orraised and blistered, with or withoutooze of reddish brown drops issuing fromthe lenticels. When the canker is nolonger active, it has a definite margin.It is then separated from the healthytissue by a crack. These cankers formabout the base of a blight
Powdery mildew Podosphaera leucotricha primary infection on apple flower buds Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/powdery-mildew-podosphaera-leucotricha-primary-infection-on-apple-flower-buds-image478104644.htmlRF2JNRF9T–Powdery mildew Podosphaera leucotricha primary infection on apple flower buds
A sanitary mask helps prevent the entry of the Corona virus or other diseases. On a blue background. View from above. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-on-a-blue-background-view-from-above-copy-space-image349079877.htmlRF2B7WXXD–A sanitary mask helps prevent the entry of the Corona virus or other diseases. On a blue background. View from above. Copy space
![. Diseases of economic plants . Plant diseases. TREES AND TIMBER 433 gray border. The spots, from 3-6 mm. in diameter, often coalesce to form large blotches which are fragile, sometimes dropping from the leaf. Young leaves develop poorly and are deformed, while severe infection may cause complete defoliation of the tree.. Fig. 188.- ' Cedar apple." gall of the rust fungus. Original. Macrosporiose (Macrosporium Catalpw Ell. & Mart.).— This spot is scarcely distinguishable from phyllostictose except through the absence of pycnidia and the presence of a scant quantity of Ijlack mold. Pow Stock Photo](https://c8.alamy.com/comp/PG4E8X/diseases-of-economic-plants-plant-diseases-trees-and-timber-433-gray-border-the-spots-from-3-6-mm-in-diameter-often-coalesce-to-form-large-blotches-which-are-fragile-sometimes-dropping-from-the-leaf-young-leaves-develop-poorly-and-are-deformed-while-severe-infection-may-cause-complete-defoliation-of-the-tree-fig-188-cedar-applequot-gall-of-the-rust-fungus-original-macrosporiose-macrosporium-catalpw-ell-amp-mart-this-spot-is-scarcely-distinguishable-from-phyllostictose-except-through-the-absence-of-pycnidia-and-the-presence-of-a-scant-quantity-of-ijlack-mold-pow-PG4E8X.jpg ". Diseases of economic plants . Plant diseases. TREES AND TIMBER 433 gray border. The spots, from 3-6 mm. in diameter, often coalesce to form large blotches which are fragile, sometimes dropping from the leaf. Young leaves develop poorly and are deformed, while severe infection may cause complete defoliation of the tree.. Fig. 188.- ' Cedar apple." gall of the rust fungus. Original. Macrosporiose (Macrosporium Catalpw Ell. & Mart.).— This spot is scarcely distinguishable from phyllostictose except through the absence of pycnidia and the presence of a scant quantity of Ijlack mold. Pow Stock Photo")
. Diseases of economic plants . Plant diseases. TREES AND TIMBER 433 gray border. The spots, from 3-6 mm. in diameter, often coalesce to form large blotches which are fragile, sometimes dropping from the leaf. Young leaves develop poorly and are deformed, while severe infection may cause complete defoliation of the tree.. Fig. 188.- ' Cedar apple." gall of the rust fungus. Original. Macrosporiose (Macrosporium Catalpw Ell. & Mart.).— This spot is scarcely distinguishable from phyllostictose except through the absence of pycnidia and the presence of a scant quantity of Ijlack mold. Pow Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-economic-plants-plant-diseases-trees-and-timber-433-gray-border-the-spots-from-3-6-mm-in-diameter-often-coalesce-to-form-large-blotches-which-are-fragile-sometimes-dropping-from-the-leaf-young-leaves-develop-poorly-and-are-deformed-while-severe-infection-may-cause-complete-defoliation-of-the-tree-fig-188-cedar-applequot-gall-of-the-rust-fungus-original-macrosporiose-macrosporium-catalpw-ell-amp-mart-this-spot-is-scarcely-distinguishable-from-phyllostictose-except-through-the-absence-of-pycnidia-and-the-presence-of-a-scant-quantity-of-ijlack-mold-pow-image216457946.htmlRMPG4E8X–. Diseases of economic plants . Plant diseases. TREES AND TIMBER 433 gray border. The spots, from 3-6 mm. in diameter, often coalesce to form large blotches which are fragile, sometimes dropping from the leaf. Young leaves develop poorly and are deformed, while severe infection may cause complete defoliation of the tree.. Fig. 188.- ' Cedar apple." gall of the rust fungus. Original. Macrosporiose (Macrosporium Catalpw Ell. & Mart.).— This spot is scarcely distinguishable from phyllostictose except through the absence of pycnidia and the presence of a scant quantity of Ijlack mold. Pow
![Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 212 DISEASES OF CULTIVATED PLANTS {Phnvrightia r/d'j-/cz,Sacc.) attacks the stem and larger branches of gooseberry, red and black currant, and is not uncommon in neglected gardens, more especially where aphides or currant scale are present. The fungus is a wound-parasite, and in all probability aphides or scale enable the parasite to gain an entrance into the living tissues of the host, as is known to be the case with apple-tree canker, larch canker, etc. I'iG. 60.—P/owrijhti Stock Photo](https://c8.alamy.com/comp/T1HK14/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-212-diseases-of-cultivated-plants-phnvrightia-rdj-czsacc-attacks-the-stem-and-larger-branches-of-gooseberry-red-and-black-currant-and-is-not-uncommon-in-neglected-gardens-more-especially-where-aphides-or-currant-scale-are-present-the-fungus-is-a-wound-parasite-and-in-all-probability-aphides-or-scale-enable-the-parasite-to-gain-an-entrance-into-the-living-tissues-of-the-host-as-is-known-to-be-the-case-with-apple-tree-canker-larch-canker-etc-iig-60powrijhti-T1HK14.jpg "Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 212 DISEASES OF CULTIVATED PLANTS {Phnvrightia r/d'j-/cz,Sacc.) attacks the stem and larger branches of gooseberry, red and black currant, and is not uncommon in neglected gardens, more especially where aphides or currant scale are present. The fungus is a wound-parasite, and in all probability aphides or scale enable the parasite to gain an entrance into the living tissues of the host, as is known to be the case with apple-tree canker, larch canker, etc. I'iG. 60.—P/owrijhti Stock Photo")
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 212 DISEASES OF CULTIVATED PLANTS {Phnvrightia r/d'j-/cz,Sacc.) attacks the stem and larger branches of gooseberry, red and black currant, and is not uncommon in neglected gardens, more especially where aphides or currant scale are present. The fungus is a wound-parasite, and in all probability aphides or scale enable the parasite to gain an entrance into the living tissues of the host, as is known to be the case with apple-tree canker, larch canker, etc. I'iG. 60.—P/owrijhti Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-212-diseases-of-cultivated-plants-phnvrightia-rdj-czsacc-attacks-the-stem-and-larger-branches-of-gooseberry-red-and-black-currant-and-is-not-uncommon-in-neglected-gardens-more-especially-where-aphides-or-currant-scale-are-present-the-fungus-is-a-wound-parasite-and-in-all-probability-aphides-or-scale-enable-the-parasite-to-gain-an-entrance-into-the-living-tissues-of-the-host-as-is-known-to-be-the-case-with-apple-tree-canker-larch-canker-etc-iig-60powrijhti-image241947920.htmlRMT1HK14–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 212 DISEASES OF CULTIVATED PLANTS {Phnvrightia r/d'j-/cz,Sacc.) attacks the stem and larger branches of gooseberry, red and black currant, and is not uncommon in neglected gardens, more especially where aphides or currant scale are present. The fungus is a wound-parasite, and in all probability aphides or scale enable the parasite to gain an entrance into the living tissues of the host, as is known to be the case with apple-tree canker, larch canker, etc. I'iG. 60.—P/owrijhti
Gleanings in bee culture . Mr. Cinvestigate Hanson Bocock, the expert on bee diseases sent to this country by the British Government tothe new disappearing disease found in this country. See editorial, page 839. 852 GLEANINGS IN BEE CULTURE. Winesap apple-tree. This i.s in the orchard shown on tV.e cover for GLEANINGS for April 15, 1916.Sales of apples in one year were over $8000 in value, the trees covering some 25 acres in extent. SEPTEMBER 15, 1916 THE DANGER-POINT IN HEATING HONEY BY GEORGE SHIBER On page 98, Feb. J, Mr. Doolittle saysthat gTanulated clover and basswood honeywill be as cle Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/gleanings-in-bee-culture-mr-cinvestigate-hanson-bocock-the-expert-on-bee-diseases-sent-to-this-country-by-the-british-government-tothe-new-disappearing-disease-found-in-this-country-see-editorial-page-839-852-gleanings-in-bee-culture-winesap-apple-tree-this-is-in-the-orchard-shown-on-tve-cover-for-gleanings-for-april-15-1916sales-of-apples-in-one-year-were-over-8000-in-value-the-trees-covering-some-25-acres-in-extent-september-15-1916-the-danger-point-in-heating-honey-by-george-shiber-on-page-98-feb-j-mr-doolittle-saysthat-gtanulated-clover-and-basswood-honeywill-be-as-cle-image343072478.htmlRM2AX48CE–Gleanings in bee culture . Mr. Cinvestigate Hanson Bocock, the expert on bee diseases sent to this country by the British Government tothe new disappearing disease found in this country. See editorial, page 839. 852 GLEANINGS IN BEE CULTURE. Winesap apple-tree. This i.s in the orchard shown on tV.e cover for GLEANINGS for April 15, 1916.Sales of apples in one year were over $8000 in value, the trees covering some 25 acres in extent. SEPTEMBER 15, 1916 THE DANGER-POINT IN HEATING HONEY BY GEORGE SHIBER On page 98, Feb. J, Mr. Doolittle saysthat gTanulated clover and basswood honeywill be as cle
Powdery mildew Podosphaera leucotricha primary infection on apple flower buds Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/powdery-mildew-podosphaera-leucotricha-primary-infection-on-apple-flower-buds-image478104647.htmlRF2JNRF9Y–Powdery mildew Podosphaera leucotricha primary infection on apple flower buds
Yellowbellied Sloe-borer, Hoplocampa chrysorrhoea, adult hymenopteran sawfly in the family Tenthredinidae. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/yellowbellied-sloe-borer-hoplocampa-chrysorrhoea-adult-hymenopteran-sawfly-in-the-family-tenthredinidae-image622951661.htmlRF2Y5DW5H–Yellowbellied Sloe-borer, Hoplocampa chrysorrhoea, adult hymenopteran sawfly in the family Tenthredinidae.
A sanitary mask helps prevent the entry of the Corona virus or other diseases. On a blue background. View from above. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-on-a-blue-background-view-from-above-copy-space-image349079569.htmlRF2B7WXFD–A sanitary mask helps prevent the entry of the Corona virus or other diseases. On a blue background. View from above. Copy space
. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APPLE DISEASES 487 vicinity of stands of infected cedars and native pome fruits. The examination of the orchard men- tioned by Mr. Zepp in his letter as quoted revealed a very interesting situation. Not over 100 feet from the nearest pear tree stand half a dozen incense cedar trees of various ages, from those but a few years old to those probably Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-encyclopedia-of-practical-horticulture-a-reference-system-of-commercial-horticulture-covering-the-practical-and-scientific-phases-of-horticulture-with-special-reference-to-fruits-and-vegetables-gardening-fruit-culture-vegetable-gardening-apple-diseases-487-vicinity-of-stands-of-infected-cedars-and-native-pome-fruits-the-examination-of-the-orchard-men-tioned-by-mr-zepp-in-his-letter-as-quoted-revealed-a-very-interesting-situation-not-over-100-feet-from-the-nearest-pear-tree-stand-half-a-dozen-incense-cedar-trees-of-various-ages-from-those-but-a-few-years-old-to-those-probably-image216330473.htmlRMPFXKM9–. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APPLE DISEASES 487 vicinity of stands of infected cedars and native pome fruits. The examination of the orchard men- tioned by Mr. Zepp in his letter as quoted revealed a very interesting situation. Not over 100 feet from the nearest pear tree stand half a dozen incense cedar trees of various ages, from those but a few years old to those probably
Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915 PLANT DISEASES AND INSECT PESTS 149 Apple scab is a fungous disease which attacks the blossoms and other parts of the tree, finally manifesting its effect on the fruit, which becomes scabby and shriveled and drops. Extensive losses are suffered in this way. The disease is thought to be more prevalent in wet seasons. The remedy is to spray with Bordeaux mixture once before blossoming, Figure 70.—Spraying fruit trees. and again immediately Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/elements-of-farm-practice-prepared-elements-of-farm-practice-prepared-especially-for-teaching-elementary-agriculture-elementsoffarmpr01wils-year-1915-plant-diseases-and-insect-pests-149-apple-scab-is-a-fungous-disease-which-attacks-the-blossoms-and-other-parts-of-the-tree-finally-manifesting-its-effect-on-the-fruit-which-becomes-scabby-and-shriveled-and-drops-extensive-losses-are-suffered-in-this-way-the-disease-is-thought-to-be-more-prevalent-in-wet-seasons-the-remedy-is-to-spray-with-bordeaux-mixture-once-before-blossoming-figure-70spraying-fruit-trees-and-again-immediately-image239522237.htmlRMRWK51H–Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915 PLANT DISEASES AND INSECT PESTS 149 Apple scab is a fungous disease which attacks the blossoms and other parts of the tree, finally manifesting its effect on the fruit, which becomes scabby and shriveled and drops. Extensive losses are suffered in this way. The disease is thought to be more prevalent in wet seasons. The remedy is to spray with Bordeaux mixture once before blossoming, Figure 70.—Spraying fruit trees. and again immediately
. Fungous diseases of plants, with chapters on physiology, culture methods and technique . ^^^S Fig. 226. Polyporus sulphureus on Exposed Roots of a Living Tree(Photograph by L. H. Childers) forest and shade trees as oak, walnut, butternut, ash, black locust,poplar, and willow. Among orchard trees the cherry in old orchardsis a common host, but pear and apple trees are also susceptible.Moreover, the sporophores of this fungus may appear upon fallentrunks and stumps, and it appears to be true that the mycelium ofthe fungus may develop extensively in fallen trunks. The coniferous trees upon whic Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungous-diseases-of-plants-with-chapters-on-physiology-culture-methods-and-technique-s-fig-226-polyporus-sulphureus-on-exposed-roots-of-a-living-treephotograph-by-l-h-childers-forest-and-shade-trees-as-oak-walnut-butternut-ash-black-locustpoplar-and-willow-among-orchard-trees-the-cherry-in-old-orchardsis-a-common-host-but-pear-and-apple-trees-are-also-susceptiblemoreover-the-sporophores-of-this-fungus-may-appear-upon-fallentrunks-and-stumps-and-it-appears-to-be-true-that-the-mycelium-ofthe-fungus-may-develop-extensively-in-fallen-trunks-the-coniferous-trees-upon-whic-image369679798.htmlRM2CDCA9X–. Fungous diseases of plants, with chapters on physiology, culture methods and technique . ^^^S Fig. 226. Polyporus sulphureus on Exposed Roots of a Living Tree(Photograph by L. H. Childers) forest and shade trees as oak, walnut, butternut, ash, black locust,poplar, and willow. Among orchard trees the cherry in old orchardsis a common host, but pear and apple trees are also susceptible.Moreover, the sporophores of this fungus may appear upon fallentrunks and stumps, and it appears to be true that the mycelium ofthe fungus may develop extensively in fallen trunks. The coniferous trees upon whic
A sanitary mask helps prevent the entry of the Corona virus or other diseases. Nearby are fruits for healing the body. Vitamins On a blue background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-nearby-are-fruits-for-healing-the-body-vitamins-on-a-blue-background-image349079989.htmlRF2B7WY2D–A sanitary mask helps prevent the entry of the Corona virus or other diseases. Nearby are fruits for healing the body. Vitamins On a blue background.
. Manual of fruit diseases . Fruit. APPLE DISEASES 37 found at any place on any or all sides. Injuries may occur at any height on a tree ; at the crown, the injury known as crown- rot or collar-rot; at the crotch, crotch-injury; on the main limbs as they diverge from the crotch, known as sun-scald; at the roots, root-injury. The tips of branches are sometimes killed back for some distance. Not infrequently the injury may extend from the collar to the head, involving large areas. Crown-rot, or collar-rot, occurs at the crown or base of the trunk at the ground line. It is distinguished from sun- Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/manual-of-fruit-diseases-fruit-apple-diseases-37-found-at-any-place-on-any-or-all-sides-injuries-may-occur-at-any-height-on-a-tree-at-the-crown-the-injury-known-as-crown-rot-or-collar-rot-at-the-crotch-crotch-injury-on-the-main-limbs-as-they-diverge-from-the-crotch-known-as-sun-scald-at-the-roots-root-injury-the-tips-of-branches-are-sometimes-killed-back-for-some-distance-not-infrequently-the-injury-may-extend-from-the-collar-to-the-head-involving-large-areas-crown-rot-or-collar-rot-occurs-at-the-crown-or-base-of-the-trunk-at-the-ground-line-it-is-distinguished-from-sun-image216444170.htmlRMPG3TMX–. Manual of fruit diseases . Fruit. APPLE DISEASES 37 found at any place on any or all sides. Injuries may occur at any height on a tree ; at the crown, the injury known as crown- rot or collar-rot; at the crotch, crotch-injury; on the main limbs as they diverge from the crotch, known as sun-scald; at the roots, root-injury. The tips of branches are sometimes killed back for some distance. Not infrequently the injury may extend from the collar to the head, involving large areas. Crown-rot, or collar-rot, occurs at the crown or base of the trunk at the ground line. It is distinguished from sun-
Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 DISEASES OF SPECIAL CROPS 99 turn yellow or wilt and black mycelial strands are found in abundance attached to the roots. Later, groups of sporophores are found about the base of the tree. These Fig. 41. — Sprayed apple trees from the same orchard. After Scott and Rorer. in general resemble the sporophores of Armillaria. See page 425. The isolation of diseased trees by trenching may pre- vent the infection of other trees. Orchards should not be located in soil containing old oak stumps. All in Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-economic-plants-1910-diseases-of-economic-plants-diseasesofeconom02stev-year-1910-diseases-of-special-crops-99-turn-yellow-or-wilt-and-black-mycelial-strands-are-found-in-abundance-attached-to-the-roots-later-groups-of-sporophores-are-found-about-the-base-of-the-tree-these-fig-41-sprayed-apple-trees-from-the-same-orchard-after-scott-and-rorer-in-general-resemble-the-sporophores-of-armillaria-see-page-425-the-isolation-of-diseased-trees-by-trenching-may-pre-vent-the-infection-of-other-trees-orchards-should-not-be-located-in-soil-containing-old-oak-stumps-all-in-image241943016.htmlRMT1HCP0–Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 DISEASES OF SPECIAL CROPS 99 turn yellow or wilt and black mycelial strands are found in abundance attached to the roots. Later, groups of sporophores are found about the base of the tree. These Fig. 41. — Sprayed apple trees from the same orchard. After Scott and Rorer. in general resemble the sporophores of Armillaria. See page 425. The isolation of diseased trees by trenching may pre- vent the infection of other trees. Orchards should not be located in soil containing old oak stumps. All in
![. The trees of America [microform] : native and foreign, pictorially and botanically delineated and scientifically and popularly described, being considered principally with reference to their geography and history, soil and situation, propagation and culture, accidents and diseases .... Trees; Arbres. J ;''|!»' Punica granatnm, THE POMEGRANATE-TREE. Synonymes, Punica granatum, Grenadier, Balaustier, Miougaiiier, ureiiadier, Granalbaum, IIeloe;rano, Granato, Granado, Romeira, ^°'^"^«S'''inate.tree, Carthaginian Apple- Pomegranate-tree, LiNNJEus, Species Plantarum. De Candolj.e, Prodro Stock Photo](https://c8.alamy.com/comp/REP1AK/the-trees-of-america-microform-native-and-foreign-pictorially-and-botanically-delineated-and-scientifically-and-popularly-described-being-considered-principally-with-reference-to-their-geography-and-history-soil-and-situation-propagation-and-culture-accidents-and-diseases-trees-arbres-j-!-punica-granatnm-the-pomegranate-tree-synonymes-punica-granatum-grenadier-balaustier-miougaiiier-ureiiadier-granalbaum-iieloerano-granato-granado-romeira-quotsinatetree-carthaginian-apple-pomegranate-tree-linnjeus-species-plantarum-de-candolje-prodro-REP1AK.jpg ". The trees of America [microform] : native and foreign, pictorially and botanically delineated and scientifically and popularly described, being considered principally with reference to their geography and history, soil and situation, propagation and culture, accidents and diseases .... Trees; Arbres. J ;''|!»' Punica granatnm, THE POMEGRANATE-TREE. Synonymes, Punica granatum, Grenadier, Balaustier, Miougaiiier, ureiiadier, Granalbaum, IIeloe;rano, Granato, Granado, Romeira, ^°'^"^«S'''inate.tree, Carthaginian Apple- Pomegranate-tree, LiNNJEus, Species Plantarum. De Candolj.e, Prodro Stock Photo")
. The trees of America [microform] : native and foreign, pictorially and botanically delineated and scientifically and popularly described, being considered principally with reference to their geography and history, soil and situation, propagation and culture, accidents and diseases .... Trees; Arbres. J ;''|!»' Punica granatnm, THE POMEGRANATE-TREE. Synonymes, Punica granatum, Grenadier, Balaustier, Miougaiiier, ureiiadier, Granalbaum, IIeloe;rano, Granato, Granado, Romeira, ^°'^"^«S'''inate.tree, Carthaginian Apple- Pomegranate-tree, LiNNJEus, Species Plantarum. De Candolj.e, Prodro Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-trees-of-america-microform-native-and-foreign-pictorially-and-botanically-delineated-and-scientifically-and-popularly-described-being-considered-principally-with-reference-to-their-geography-and-history-soil-and-situation-propagation-and-culture-accidents-and-diseases-trees-arbres-j-!-punica-granatnm-the-pomegranate-tree-synonymes-punica-granatum-grenadier-balaustier-miougaiiier-ureiiadier-granalbaum-iieloerano-granato-granado-romeira-quotsinatetree-carthaginian-apple-pomegranate-tree-linnjeus-species-plantarum-de-candolje-prodro-image232823995.htmlRMREP1AK–. The trees of America [microform] : native and foreign, pictorially and botanically delineated and scientifically and popularly described, being considered principally with reference to their geography and history, soil and situation, propagation and culture, accidents and diseases .... Trees; Arbres. J ;''|!»' Punica granatnm, THE POMEGRANATE-TREE. Synonymes, Punica granatum, Grenadier, Balaustier, Miougaiiier, ureiiadier, Granalbaum, IIeloe;rano, Granato, Granado, Romeira, ^°'^"^«S'''inate.tree, Carthaginian Apple- Pomegranate-tree, LiNNJEus, Species Plantarum. De Candolj.e, Prodro
A sanitary mask helps prevent the entry of the Corona virus or other diseases. Nearby are fruits for healing the body. Vitamins On a blue background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-nearby-are-fruits-for-healing-the-body-vitamins-on-a-blue-background-image349081990.htmlRF2B7X1HX–A sanitary mask helps prevent the entry of the Corona virus or other diseases. Nearby are fruits for healing the body. Vitamins On a blue background.
![. Minnesota plant diseases. Plant diseases. 364 Minnesota Plant Diseases.. Fic. 194.—Black rot of apple. After Clinton. fruit, when attacked, turns at first a reddish brown but later be- comes blaclf. On attacked portions of the tree the fungus pro- duces its spores. It is an "imperfect" fungus and produces spores in small capsules, which appear on the leaf, twig or fruit spots as tiny black warts. These open to the exterior by minute pores through which the spores, which are cut off of threads lin- ing the interior of the capsule, are thrown out. The treatment which is used against Stock Photo](https://c8.alamy.com/comp/PG4EK0/minnesota-plant-diseases-plant-diseases-364-minnesota-plant-diseases-fic-194black-rot-of-apple-after-clinton-fruit-when-attacked-turns-at-first-a-reddish-brown-but-later-be-comes-blaclf-on-attacked-portions-of-the-tree-the-fungus-pro-duces-its-spores-it-is-an-quotimperfectquot-fungus-and-produces-spores-in-small-capsules-which-appear-on-the-leaf-twig-or-fruit-spots-as-tiny-black-warts-these-open-to-the-exterior-by-minute-pores-through-which-the-spores-which-are-cut-off-of-threads-lin-ing-the-interior-of-the-capsule-are-thrown-out-the-treatment-which-is-used-against-PG4EK0.jpg ". Minnesota plant diseases. Plant diseases. 364 Minnesota Plant Diseases.. Fic. 194.—Black rot of apple. After Clinton. fruit, when attacked, turns at first a reddish brown but later be- comes blaclf. On attacked portions of the tree the fungus pro- duces its spores. It is an "imperfect" fungus and produces spores in small capsules, which appear on the leaf, twig or fruit spots as tiny black warts. These open to the exterior by minute pores through which the spores, which are cut off of threads lin- ing the interior of the capsule, are thrown out. The treatment which is used against Stock Photo")
. Minnesota plant diseases. Plant diseases. 364 Minnesota Plant Diseases.. Fic. 194.—Black rot of apple. After Clinton. fruit, when attacked, turns at first a reddish brown but later be- comes blaclf. On attacked portions of the tree the fungus pro- duces its spores. It is an "imperfect" fungus and produces spores in small capsules, which appear on the leaf, twig or fruit spots as tiny black warts. These open to the exterior by minute pores through which the spores, which are cut off of threads lin- ing the interior of the capsule, are thrown out. The treatment which is used against Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/minnesota-plant-diseases-plant-diseases-364-minnesota-plant-diseases-fic-194black-rot-of-apple-after-clinton-fruit-when-attacked-turns-at-first-a-reddish-brown-but-later-be-comes-blaclf-on-attacked-portions-of-the-tree-the-fungus-pro-duces-its-spores-it-is-an-quotimperfectquot-fungus-and-produces-spores-in-small-capsules-which-appear-on-the-leaf-twig-or-fruit-spots-as-tiny-black-warts-these-open-to-the-exterior-by-minute-pores-through-which-the-spores-which-are-cut-off-of-threads-lin-ing-the-interior-of-the-capsule-are-thrown-out-the-treatment-which-is-used-against-image216458228.htmlRMPG4EK0–. Minnesota plant diseases. Plant diseases. 364 Minnesota Plant Diseases.. Fic. 194.—Black rot of apple. After Clinton. fruit, when attacked, turns at first a reddish brown but later be- comes blaclf. On attacked portions of the tree the fungus pro- duces its spores. It is an "imperfect" fungus and produces spores in small capsules, which appear on the leaf, twig or fruit spots as tiny black warts. These open to the exterior by minute pores through which the spores, which are cut off of threads lin- ing the interior of the capsule, are thrown out. The treatment which is used against
![Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] Fig 66—Koselhiiia iiciatnx. i, poiiion of root of apple-tree with whue fleecy mycelium, 2, biown hyphae with swelHngs; 3, loot with sderotia beating conidial fruit; 4, single cluster of conidiophoies; 5, branch of last beating conidia; 6, stylospores produced in pycnidia (after Viala) ; 7, perithecium surrounded by conidiophores (after Viala) ; 8, ascospores; 9, a sycamore infected witli thi fungus, the portion above ground enveloped in white my- celium, the portion below ground Stock Photo](https://c8.alamy.com/comp/T1H0G5/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-fig-66koselhiiia-iiciatnx-i-poiiion-of-root-of-apple-tree-with-whue-fleecy-mycelium-2-biown-hyphae-with-swelhngs-3-loot-with-sderotia-beating-conidial-fruit-4-single-cluster-of-conidiophoies-5-branch-of-last-beating-conidia-6-stylospores-produced-in-pycnidia-after-viala-7-perithecium-surrounded-by-conidiophores-after-viala-8-ascospores-9-a-sycamore-infected-witli-thi-fungus-the-portion-above-ground-enveloped-in-white-my-celium-the-portion-below-ground-T1H0G5.jpg "Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] Fig 66—Koselhiiia iiciatnx. i, poiiion of root of apple-tree with whue fleecy mycelium, 2, biown hyphae with swelHngs; 3, loot with sderotia beating conidial fruit; 4, single cluster of conidiophoies; 5, branch of last beating conidia; 6, stylospores produced in pycnidia (after Viala) ; 7, perithecium surrounded by conidiophores (after Viala) ; 8, ascospores; 9, a sycamore infected witli thi fungus, the portion above ground enveloped in white my- celium, the portion below ground Stock Photo")
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] Fig 66—Koselhiiia iiciatnx. i, poiiion of root of apple-tree with whue fleecy mycelium, 2, biown hyphae with swelHngs; 3, loot with sderotia beating conidial fruit; 4, single cluster of conidiophoies; 5, branch of last beating conidia; 6, stylospores produced in pycnidia (after Viala) ; 7, perithecium surrounded by conidiophores (after Viala) ; 8, ascospores; 9, a sycamore infected witli thi fungus, the portion above ground enveloped in white my- celium, the portion below ground Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-fig-66koselhiiia-iiciatnx-i-poiiion-of-root-of-apple-tree-with-whue-fleecy-mycelium-2-biown-hyphae-with-swelhngs-3-loot-with-sderotia-beating-conidial-fruit-4-single-cluster-of-conidiophoies-5-branch-of-last-beating-conidia-6-stylospores-produced-in-pycnidia-after-viala-7-perithecium-surrounded-by-conidiophores-after-viala-8-ascospores-9-a-sycamore-infected-witli-thi-fungus-the-portion-above-ground-enveloped-in-white-my-celium-the-portion-below-ground-image241933445.htmlRMT1H0G5–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] Fig 66—Koselhiiia iiciatnx. i, poiiion of root of apple-tree with whue fleecy mycelium, 2, biown hyphae with swelHngs; 3, loot with sderotia beating conidial fruit; 4, single cluster of conidiophoies; 5, branch of last beating conidia; 6, stylospores produced in pycnidia (after Viala) ; 7, perithecium surrounded by conidiophores (after Viala) ; 8, ascospores; 9, a sycamore infected witli thi fungus, the portion above ground enveloped in white my- celium, the portion below ground
. California plant diseases. Plant diseases. 1092 UNIVERSITY OF CALIFORNIA—EXPERIMENT STATION. Die-Back. See Almond. Fruit Spot. Figure 18. Characterized by the appearance of sunken, discolored spots on the surface of the apple, beneath which the tissue is found to be brown and dead. The dead tissue also extends to a considerable extent in streaks and lines through the flesh of the apple. This effect may show while the apple is still on the tree or sometimes develops only after the fruit has been picked for some time. The trouble has been ascribed to various causes. This disease is similar to Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/california-plant-diseases-plant-diseases-1092-university-of-californiaexperiment-station-die-back-see-almond-fruit-spot-figure-18-characterized-by-the-appearance-of-sunken-discolored-spots-on-the-surface-of-the-apple-beneath-which-the-tissue-is-found-to-be-brown-and-dead-the-dead-tissue-also-extends-to-a-considerable-extent-in-streaks-and-lines-through-the-flesh-of-the-apple-this-effect-may-show-while-the-apple-is-still-on-the-tree-or-sometimes-develops-only-after-the-fruit-has-been-picked-for-some-time-the-trouble-has-been-ascribed-to-various-causes-this-disease-is-similar-to-image233638699.htmlRMRG34F7–. California plant diseases. Plant diseases. 1092 UNIVERSITY OF CALIFORNIA—EXPERIMENT STATION. Die-Back. See Almond. Fruit Spot. Figure 18. Characterized by the appearance of sunken, discolored spots on the surface of the apple, beneath which the tissue is found to be brown and dead. The dead tissue also extends to a considerable extent in streaks and lines through the flesh of the apple. This effect may show while the apple is still on the tree or sometimes develops only after the fruit has been picked for some time. The trouble has been ascribed to various causes. This disease is similar to
A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-system-for-patient-recovery-procedures-view-from-above-copy-space-image349082588.htmlRF2B7X2B8–A sanitary mask helps prevent the entry of the Corona virus or other diseases. System for patient recovery procedures. View from above. Copy space
. Manual of fruit diseases . Fruit. PEAR DISEASES 329. Fig. 90. — Fire-blight on apple fruit; drops of bacterial ooze on tlie surface. Suckers which arise from the crown, at or below the surface of the soil, are often bhghted, allow- ing the bacteria entrance into the bark of the roots. Trees may die from such a form of attack. Grafts are especially disposed to blight during the first year or so on account of their rapid and succu- lent growth. Wounds in the larger limbs or the body of the tree may serve as centers of cankers. Here the bacteria are carried by the bark-boring beetle and deposit Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/manual-of-fruit-diseases-fruit-pear-diseases-329-fig-90-fire-blight-on-apple-fruit-drops-of-bacterial-ooze-on-tlie-surface-suckers-which-arise-from-the-crown-at-or-below-the-surface-of-the-soil-are-often-bhghted-allow-ing-the-bacteria-entrance-into-the-bark-of-the-roots-trees-may-die-from-such-a-form-of-attack-grafts-are-especially-disposed-to-blight-during-the-first-year-or-so-on-account-of-their-rapid-and-succu-lent-growth-wounds-in-the-larger-limbs-or-the-body-of-the-tree-may-serve-as-centers-of-cankers-here-the-bacteria-are-carried-by-the-bark-boring-beetle-and-deposit-image216441643.htmlRMPG3NEK–. Manual of fruit diseases . Fruit. PEAR DISEASES 329. Fig. 90. — Fire-blight on apple fruit; drops of bacterial ooze on tlie surface. Suckers which arise from the crown, at or below the surface of the soil, are often bhghted, allow- ing the bacteria entrance into the bark of the roots. Trees may die from such a form of attack. Grafts are especially disposed to blight during the first year or so on account of their rapid and succu- lent growth. Wounds in the larger limbs or the body of the tree may serve as centers of cankers. Here the bacteria are carried by the bark-boring beetle and deposit
. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APPLES 217 nation it has come in different parts of the country to be known by different names, such as American Blush, Van Vleet and Orleans. It is a heavy bearer, requires thinning and comes into bearing at an early age. The tree is not especially hardy, in fact, it is rather tender, and is susceptible to attacks from diseases, especially apple Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-encyclopedia-of-practical-horticulture-a-reference-system-of-commercial-horticulture-covering-the-practical-and-scientific-phases-of-horticulture-with-special-reference-to-fruits-and-vegetables-gardening-fruit-culture-vegetable-gardening-apples-217-nation-it-has-come-in-different-parts-of-the-country-to-be-known-by-different-names-such-as-american-blush-van-vleet-and-orleans-it-is-a-heavy-bearer-requires-thinning-and-comes-into-bearing-at-an-early-age-the-tree-is-not-especially-hardy-in-fact-it-is-rather-tender-and-is-susceptible-to-attacks-from-diseases-especially-apple-image231897447.htmlRMRD7RFK–. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APPLES 217 nation it has come in different parts of the country to be known by different names, such as American Blush, Van Vleet and Orleans. It is a heavy bearer, requires thinning and comes into bearing at an early age. The tree is not especially hardy, in fact, it is rather tender, and is susceptible to attacks from diseases, especially apple
A sanitary mask helps prevent the entry of the Corona virus or other diseases. Nearby are fruits for healing the body. Vitamins On a blue background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-sanitary-mask-helps-prevent-the-entry-of-the-corona-virus-or-other-diseases-nearby-are-fruits-for-healing-the-body-vitamins-on-a-blue-background-image349080225.htmlRF2B7WYAW–A sanitary mask helps prevent the entry of the Corona virus or other diseases. Nearby are fruits for healing the body. Vitamins On a blue background.
