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The pomes are like tiny apples with two flower spots on the bottom. They are roughly as toxic due to cyanide and arsenic, vintage line drawing or engr Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-pomes-are-like-tiny-apples-with-two-flower-spots-on-the-bottom-they-are-roughly-as-toxic-due-to-cyanide-and-arsenic-vintage-line-drawing-or-engr-image244596500.html
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. Bulletin . orce Pump Co., Lockport, N. Y.;Nixon Nozzle and Machine Co., Dayton, Ohio. A Knap-sack pump will cost about ;g 14.00. A force pump andbarrel, as described above, will cost $10 to ^12. Th*^ chemicals for making the fungicides may be obtainedof any uruggist. Certain varieties of apples and pears are subject to a fun-gus disease which is known as Scab. It appears in theform of black or greenish black spots on the surface of thefruit and leaves. The spots are round in outline, from asixteenth to half an inch in diameter, often running together,forming large irregular patches, and some Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/bulletin-orce-pump-co-lockport-n-ynixon-nozzle-and-machine-co-dayton-ohio-a-knap-sack-pump-will-cost-about-g-1400-a-force-pump-andbarrel-as-described-above-will-cost-10-to-12-th-chemicals-for-making-the-fungicides-may-be-obtainedof-any-uruggist-certain-varieties-of-apples-and-pears-are-subject-to-a-fun-gus-disease-which-is-known-as-scab-it-appears-in-theform-of-black-or-greenish-black-spots-on-the-surface-of-thefruit-and-leaves-the-spots-are-round-in-outline-from-asixteenth-to-half-an-inch-in-diameter-often-running-togetherforming-large-irregular-patches-and-some-image372057949.html
RM2CH8KKW–. Bulletin . orce Pump Co., Lockport, N. Y.;Nixon Nozzle and Machine Co., Dayton, Ohio. A Knap-sack pump will cost about ;g 14.00. A force pump andbarrel, as described above, will cost $10 to ^12. Th*^ chemicals for making the fungicides may be obtainedof any uruggist. Certain varieties of apples and pears are subject to a fun-gus disease which is known as Scab. It appears in theform of black or greenish black spots on the surface of thefruit and leaves. The spots are round in outline, from asixteenth to half an inch in diameter, often running together,forming large irregular patches, and some
. Manual of fruit diseases . Fruit. APPLE DISEASES 59 Davis. About the margin of older, sunken spots is sometimes seen a reddish border. On very young apples the points of infection show as small water-soaked areas, and in wet weather there may be a yellowish, gummy exudate. On some varieties at least, like the Ben Davis, the skin ultimately cracks (Fig. 15). The crevices, although usually about one-half of an inch long, may girdle the fruit and extend to the core. Often these cracks intersect, forming a cross (Fig. 15). Within a few days after the blotches become visible, black pimples are de Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/manual-of-fruit-diseases-fruit-apple-diseases-59-davis-about-the-margin-of-older-sunken-spots-is-sometimes-seen-a-reddish-border-on-very-young-apples-the-points-of-infection-show-as-small-water-soaked-areas-and-in-wet-weather-there-may-be-a-yellowish-gummy-exudate-on-some-varieties-at-least-like-the-ben-davis-the-skin-ultimately-cracks-fig-15-the-crevices-although-usually-about-one-half-of-an-inch-long-may-girdle-the-fruit-and-extend-to-the-core-often-these-cracks-intersect-forming-a-cross-fig-15-within-a-few-days-after-the-blotches-become-visible-black-pimples-are-de-image216443640.html
RMPG3T20–. Manual of fruit diseases . Fruit. APPLE DISEASES 59 Davis. About the margin of older, sunken spots is sometimes seen a reddish border. On very young apples the points of infection show as small water-soaked areas, and in wet weather there may be a yellowish, gummy exudate. On some varieties at least, like the Ben Davis, the skin ultimately cracks (Fig. 15). The crevices, although usually about one-half of an inch long, may girdle the fruit and extend to the core. Often these cracks intersect, forming a cross (Fig. 15). Within a few days after the blotches become visible, black pimples are de
Diseases of fruits and nuts Diseases of fruits and nuts diseasesoffruits120smit Year: 1941 80 Califoknta Agricultural Extension Service Lir-120 NECTARINE See 'Peach and Nectarine' (p. 84) OLIVE Dry Rot, Shrivel Tip, Monkey Face, Sheep Nose, Bitter Pit.—Dry spots sometimes develop in the flesh of the fruit, usually toward the blos- som end, which becomes shriveled and shrunken in spots or on one side Fig. 32.—Dry rot, or sheep nose, of olive. (fig. 32). The cause of this is not known, but it seems to be nonparasitic and has the appearance of being related to bitter pit of apples, black end Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/diseases-of-fruits-and-nuts-diseases-of-fruits-and-nuts-diseasesoffruits120smit-year-1941-80-califoknta-agricultural-extension-service-lir-120-nectarine-see-peach-and-nectarine-p-84-olive-dry-rot-shrivel-tip-monkey-face-sheep-nose-bitter-pitdry-spots-sometimes-develop-in-the-flesh-of-the-fruit-usually-toward-the-blos-som-end-which-becomes-shriveled-and-shrunken-in-spots-or-on-one-side-fig-32dry-rot-or-sheep-nose-of-olive-fig-32-the-cause-of-this-is-not-known-but-it-seems-to-be-nonparasitic-and-has-the-appearance-of-being-related-to-bitter-pit-of-apples-black-end-image241940773.html
RMT1H9WW–Diseases of fruits and nuts Diseases of fruits and nuts diseasesoffruits120smit Year: 1941 80 Califoknta Agricultural Extension Service Lir-120 NECTARINE See 'Peach and Nectarine' (p. 84) OLIVE Dry Rot, Shrivel Tip, Monkey Face, Sheep Nose, Bitter Pit.—Dry spots sometimes develop in the flesh of the fruit, usually toward the blos- som end, which becomes shriveled and shrunken in spots or on one side Fig. 32.—Dry rot, or sheep nose, of olive. (fig. 32). The cause of this is not known, but it seems to be nonparasitic and has the appearance of being related to bitter pit of apples, black end
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. Bulletin. Agriculture -- New Hampshire. 268 SEVENTEENTH AND EIGHTEENTH elled and distorted, eventually dropping off. The fungus also attacks the stems of apples, sometimes causing the young. Fig. 11. Apples affected with scab fungus (photo by Lamson). fruit to shrivel and fall. But the most serious effects of this parasite are found on the fruit. Here the fungus pro- duces olive-black spots, which in their late stages have a narrow margin of light gray. When the scab spots are abundant the fruit is often dwarfed, cracked and deformed;. Please note that these images are extracted from scanned Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/bulletin-agriculture-new-hampshire-268-seventeenth-and-eighteenth-elled-and-distorted-eventually-dropping-off-the-fungus-also-attacks-the-stems-of-apples-sometimes-causing-the-young-fig-11-apples-affected-with-scab-fungus-photo-by-lamson-fruit-to-shrivel-and-fall-but-the-most-serious-effects-of-this-parasite-are-found-on-the-fruit-here-the-fungus-pro-duces-olive-black-spots-which-in-their-late-stages-have-a-narrow-margin-of-light-gray-when-the-scab-spots-are-abundant-the-fruit-is-often-dwarfed-cracked-and-deformed-please-note-that-these-images-are-extracted-from-scanned-image234205430.html
RMRH0YBJ–. Bulletin. Agriculture -- New Hampshire. 268 SEVENTEENTH AND EIGHTEENTH elled and distorted, eventually dropping off. The fungus also attacks the stems of apples, sometimes causing the young. Fig. 11. Apples affected with scab fungus (photo by Lamson). fruit to shrivel and fall. But the most serious effects of this parasite are found on the fruit. Here the fungus pro- duces olive-black spots, which in their late stages have a narrow margin of light gray. When the scab spots are abundant the fruit is often dwarfed, cracked and deformed;. Please note that these images are extracted from scanned
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. Bulletin. Agriculture -- New Hampshire. I06 NOTES ON APPLE AND POTATO DISEASES APPLE DISEASES Spraying experiments on apples during the season of 1898 were not made with reference to any particular disease, but against any disease that might make its appearance. The trees sprayed were mostly Baldwins. The diseases which developed were those shown in Fig. 38, characterized by small brown. Fig. 3S.—Brown Spot of Baldwin. spots on the surfjice of the fruit; in Fig. 39, characterized by black or sooty diffuse blotches of no appreciable thickness, also on the fruit; and in figure on title page, c Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/bulletin-agriculture-new-hampshire-i06-notes-on-apple-and-potato-diseases-apple-diseases-spraying-experiments-on-apples-during-the-season-of-1898-were-not-made-with-reference-to-any-particular-disease-but-against-any-disease-that-might-make-its-appearance-the-trees-sprayed-were-mostly-baldwins-the-diseases-which-developed-were-those-shown-in-fig-38-characterized-by-small-brown-fig-3sbrown-spot-of-baldwin-spots-on-the-surfjice-of-the-fruit-in-fig-39-characterized-by-black-or-sooty-diffuse-blotches-of-no-appreciable-thickness-also-on-the-fruit-and-in-figure-on-title-page-c-image234190818.html
RMRH08NP–. Bulletin. Agriculture -- New Hampshire. I06 NOTES ON APPLE AND POTATO DISEASES APPLE DISEASES Spraying experiments on apples during the season of 1898 were not made with reference to any particular disease, but against any disease that might make its appearance. The trees sprayed were mostly Baldwins. The diseases which developed were those shown in Fig. 38, characterized by small brown. Fig. 3S.—Brown Spot of Baldwin. spots on the surfjice of the fruit; in Fig. 39, characterized by black or sooty diffuse blotches of no appreciable thickness, also on the fruit; and in figure on title page, c
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. A textbook in general zoology. Zoology. C)THER MEMBERS OF THE CLASS — INSECTA 181 color, and marked with black or very dark gray. The abdomen has five yellow spots along each side.. Fig. 122. — Tomato moth and tomato worm. A small moth, known as the codling moth, lays its tiny white eggs on the surfaces of young green apples and leaves (Fig. 123). The eggs hatch and the young larvic Ijore into the apple, in most cases entering at the ])lossom ends, and causing wormy apples. Sometimes a field of cotton is attacked by caterpillars in such numbers that they are known in the South as the "a Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-textbook-in-general-zoology-zoology-cther-members-of-the-class-insecta-181-color-and-marked-with-black-or-very-dark-gray-the-abdomen-has-five-yellow-spots-along-each-side-fig-122-tomato-moth-and-tomato-worm-a-small-moth-known-as-the-codling-moth-lays-its-tiny-white-eggs-on-the-surfaces-of-young-green-apples-and-leaves-fig-123-the-eggs-hatch-and-the-young-larvic-ijore-into-the-apple-in-most-cases-entering-at-the-lossom-ends-and-causing-wormy-apples-sometimes-a-field-of-cotton-is-attacked-by-caterpillars-in-such-numbers-that-they-are-known-in-the-south-as-the-quota-image232113723.html
RMRDHKBR–. A textbook in general zoology. Zoology. C)THER MEMBERS OF THE CLASS — INSECTA 181 color, and marked with black or very dark gray. The abdomen has five yellow spots along each side.. Fig. 122. — Tomato moth and tomato worm. A small moth, known as the codling moth, lays its tiny white eggs on the surfaces of young green apples and leaves (Fig. 123). The eggs hatch and the young larvic Ijore into the apple, in most cases entering at the ])lossom ends, and causing wormy apples. Sometimes a field of cotton is attacked by caterpillars in such numbers that they are known in the South as the "a
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. American bee journal. Bee culture; Bees. March 16 1905 THE AMERICAN BEE JOURNAL. 205 ing an apple order for a A No. 1 fruit, I could scarcely find a perfect Tolman Sweet. They were covered with little punctures—small, black specks. These trees are in the bee-yard. None of our other varieties showed these spots. I remembered noticing^ bees crawling over apples and tap, tapping on the skin with their tails, and when I saw these spots it seemed as if they might have punched the holes with their stingers, and then turned around and licked up the nectar. A friendly bee keeper in Saratoga, to whom Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/american-bee-journal-bee-culture-bees-march-16-1905-the-american-bee-journal-205-ing-an-apple-order-for-a-a-no-1-fruit-i-could-scarcely-find-a-perfect-tolman-sweet-they-were-covered-with-little-puncturessmall-black-specks-these-trees-are-in-the-bee-yard-none-of-our-other-varieties-showed-these-spots-i-remembered-noticing-bees-crawling-over-apples-and-tap-tapping-on-the-skin-with-their-tails-and-when-i-saw-these-spots-it-seemed-as-if-they-might-have-punched-the-holes-with-their-stingers-and-then-turned-around-and-licked-up-the-nectar-a-friendly-bee-keeper-in-saratoga-to-whom-image237718567.html
RMRPN0CR–. American bee journal. Bee culture; Bees. March 16 1905 THE AMERICAN BEE JOURNAL. 205 ing an apple order for a A No. 1 fruit, I could scarcely find a perfect Tolman Sweet. They were covered with little punctures—small, black specks. These trees are in the bee-yard. None of our other varieties showed these spots. I remembered noticing^ bees crawling over apples and tap, tapping on the skin with their tails, and when I saw these spots it seemed as if they might have punched the holes with their stingers, and then turned around and licked up the nectar. A friendly bee keeper in Saratoga, to whom
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RM2C170MJ–Apples on wooden boards.
. Manual of fruit diseases . Fruit. APPLE DISEASES 59 Davis. About the margin of older, sunken spots is sometimes seen a reddish border. On very young apples the points of infection show as small water-soaked areas, and in wet weather there may be a yellowish, gummy exudate. On some varieties at least, like the Ben Davis, the skin ultimately cracks (Fig. 15). The crevices, although usually about one-half of an inch long, may girdle the fruit and extend to the core. Often these cracks intersect, forming a cross (Fig. 15). Within a few days after the blotches become visible, black pimples are de Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/manual-of-fruit-diseases-fruit-apple-diseases-59-davis-about-the-margin-of-older-sunken-spots-is-sometimes-seen-a-reddish-border-on-very-young-apples-the-points-of-infection-show-as-small-water-soaked-areas-and-in-wet-weather-there-may-be-a-yellowish-gummy-exudate-on-some-varieties-at-least-like-the-ben-davis-the-skin-ultimately-cracks-fig-15-the-crevices-although-usually-about-one-half-of-an-inch-long-may-girdle-the-fruit-and-extend-to-the-core-often-these-cracks-intersect-forming-a-cross-fig-15-within-a-few-days-after-the-blotches-become-visible-black-pimples-are-de-image232009935.html
RMRDCY13–. Manual of fruit diseases . Fruit. APPLE DISEASES 59 Davis. About the margin of older, sunken spots is sometimes seen a reddish border. On very young apples the points of infection show as small water-soaked areas, and in wet weather there may be a yellowish, gummy exudate. On some varieties at least, like the Ben Davis, the skin ultimately cracks (Fig. 15). The crevices, although usually about one-half of an inch long, may girdle the fruit and extend to the core. Often these cracks intersect, forming a cross (Fig. 15). Within a few days after the blotches become visible, black pimples are de
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RM2C17H18–Apples and other on wooden.
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RM2C1742M–apples and oranges on sackcloth.
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RM2C17H1N–Melon and apples on wooden.
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RFMP4DFC–Apples and other on a sackcloth.
. Common insects affecting fruit-trees [microform]. Insect pests; Fruits; Insectes nuisibles; Fruit. Fig. 33. Ai-pl* le«Te» affeoted with Le«f Siiot (I'hyllotticfa pirino). Black Rot (Sphaeropsis mulorum). Fitf- 35- This is a serious pest of ripe apples. It attacks the leaves, twigs, stems and fruit. On the If .. es it appears as little brown spots much liUc the Apple Leaf-Spot disease On the twips or stems it appears as blackish spots and the fruit when attacked turns at first reddish brown and later black. The sp«>rcs consist of minute black bodies just under the skin. It differs from Bit Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/common-insects-affecting-fruit-trees-microform-insect-pests-fruits-insectes-nuisibles-fruit-fig-33-ai-pl-lete-affeoted-with-lef-siiot-ihyllotticfa-pirino-black-rot-sphaeropsis-mulorum-fitf-35-this-is-a-serious-pest-of-ripe-apples-it-attacks-the-leaves-twigs-stems-and-fruit-on-the-if-es-it-appears-as-little-brown-spots-much-liuc-the-apple-leaf-spot-disease-on-the-twips-or-stems-it-appears-as-blackish-spots-and-the-fruit-when-attacked-turns-at-first-reddish-brown-and-later-black-the-spgtrcs-consist-of-minute-black-bodies-just-under-the-skin-it-differs-from-bit-image232804498.html
RMREN4EA–. Common insects affecting fruit-trees [microform]. Insect pests; Fruits; Insectes nuisibles; Fruit. Fig. 33. Ai-pl* le«Te» affeoted with Le«f Siiot (I'hyllotticfa pirino). Black Rot (Sphaeropsis mulorum). Fitf- 35- This is a serious pest of ripe apples. It attacks the leaves, twigs, stems and fruit. On the If .. es it appears as little brown spots much liUc the Apple Leaf-Spot disease On the twips or stems it appears as blackish spots and the fruit when attacked turns at first reddish brown and later black. The sp«>rcs consist of minute black bodies just under the skin. It differs from Bit
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RM2C17H17–Apples in a bowl on wooden.
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RM2C1743F–Apple rot on wooden.
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RFJP4AG5–Red apples and others on the sack.
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. 64 Bulletin 379 I am informed by Professor H. L. Price of the Department of Horticulture of this Experiment Station that this fall blossoming is not uncommon on trees which are badly affected by the black rot fungus." ETIOLOGY The pathogene here concerned is the fungus Physalospora Cydoniae Arnaud. MORPHOLOGY perithecia. The perithecia have been found by the writer on the twigs of apple (Pyrus mains L.) and of witch-hazel (Hamamelis virginiana L.), and have been described by him i Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-64-bulletin-379-i-am-informed-by-professor-h-l-price-of-the-department-of-horticulture-of-this-experiment-station-that-this-fall-blossoming-is-not-uncommon-on-trees-which-are-badly-affected-by-the-black-rot-fungusquot-etiology-the-pathogene-here-concerned-is-the-fungus-physalospora-cydoniae-arnaud-morphology-perithecia-the-perithecia-have-been-found-by-the-writer-on-the-twigs-of-apple-pyrus-mains-l-and-of-witch-hazel-hamamelis-virginiana-l-and-have-been-described-by-him-i-image234586081.html
RMRHJ8X9–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. 64 Bulletin 379 I am informed by Professor H. L. Price of the Department of Horticulture of this Experiment Station that this fall blossoming is not uncommon on trees which are badly affected by the black rot fungus." ETIOLOGY The pathogene here concerned is the fungus Physalospora Cydoniae Arnaud. MORPHOLOGY perithecia. The perithecia have been found by the writer on the twigs of apple (Pyrus mains L.) and of witch-hazel (Hamamelis virginiana L.), and have been described by him i
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RM2C17426–Apple on wooden floor.
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RFJT39WG–Apples and melons on wooden boards.
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Black Rot, Leaf Spot, and Canker of Pomaceous Fruits 71 cavity. Later stages show the breaking down of these cells, and finally an oval or a globose cavity is formed. Baccarini (1890:69) states that these central cells transform by a mucilaginous process, and that the cavity is enlarged by the gelatinous center's absorbing water and exerting a pressure on the sporogenous layer. He emphasizes the importance of the central "tissue" and expresses the opinion that it has a specia Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-black-rot-leaf-spot-and-canker-of-pomaceous-fruits-71-cavity-later-stages-show-the-breaking-down-of-these-cells-and-finally-an-oval-or-a-globose-cavity-is-formed-baccarini-189069-states-that-these-central-cells-transform-by-a-mucilaginous-process-and-that-the-cavity-is-enlarged-by-the-gelatinous-centers-absorbing-water-and-exerting-a-pressure-on-the-sporogenous-layer-he-emphasizes-the-importance-of-the-central-quottissuequot-and-expresses-the-opinion-that-it-has-a-specia-image234585800.html
RMRHJ8G8–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Black Rot, Leaf Spot, and Canker of Pomaceous Fruits 71 cavity. Later stages show the breaking down of these cells, and finally an oval or a globose cavity is formed. Baccarini (1890:69) states that these central cells transform by a mucilaginous process, and that the cavity is enlarged by the gelatinous center's absorbing water and exerting a pressure on the sporogenous layer. He emphasizes the importance of the central "tissue" and expresses the opinion that it has a specia
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RM2C1743C–Pear is going to rot on wooden.
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RFMP4DRF–apples on the old wooden floor.
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Black Rot, Leaf Spot, and Cankep of Pomaceous Fruits 6g So far as has been determined, the process of formation is similar on different substrata. The earlier stages are more accurately followed in agar cultures than on any organs of the host plant. The writer's obser- vations have been made by examining petri-dish cultures under the low power of the microscope and by the use of prepared slides from such cultures. The material was prepared as follows: Pycnospores or hyphal threads were Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-black-rot-leaf-spot-and-cankep-of-pomaceous-fruits-6g-so-far-as-has-been-determined-the-process-of-formation-is-similar-on-different-substrata-the-earlier-stages-are-more-accurately-followed-in-agar-cultures-than-on-any-organs-of-the-host-plant-the-writers-obser-vations-have-been-made-by-examining-petri-dish-cultures-under-the-low-power-of-the-microscope-and-by-the-use-of-prepared-slides-from-such-cultures-the-material-was-prepared-as-follows-pycnospores-or-hyphal-threads-were-image234585817.html
RMRHJ8GW–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Black Rot, Leaf Spot, and Cankep of Pomaceous Fruits 6g So far as has been determined, the process of formation is similar on different substrata. The earlier stages are more accurately followed in agar cultures than on any organs of the host plant. The writer's obser- vations have been made by examining petri-dish cultures under the low power of the microscope and by the use of prepared slides from such cultures. The material was prepared as follows: Pycnospores or hyphal threads were
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RFMP4D0G–Apples and other on the old wooden floor.
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. 114 Bulletin 379 there is a streak developed in the outer layers of wood (Fig. 34), just as in the twig blight on chestnut oak, Quercus prinus, as reported by Ingram (1912) and noted subsequently by Rankin (1914). The streak is due to the discoloration of the ceils, not to the presence of the mycelium (Figs. 35 and 36). One has only to examine longisections through the streak to be convinced that the hyphal threads do not grow in strands and are not otherwise arranged so as to give suc Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-114-bulletin-379-there-is-a-streak-developed-in-the-outer-layers-of-wood-fig-34-just-as-in-the-twig-blight-on-chestnut-oak-quercus-prinus-as-reported-by-ingram-1912-and-noted-subsequently-by-rankin-1914-the-streak-is-due-to-the-discoloration-of-the-ceils-not-to-the-presence-of-the-mycelium-figs-35-and-36-one-has-only-to-examine-longisections-through-the-streak-to-be-convinced-that-the-hyphal-threads-do-not-grow-in-strands-and-are-not-otherwise-arranged-so-as-to-give-suc-image234585625.html
RMRHJ8A1–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. 114 Bulletin 379 there is a streak developed in the outer layers of wood (Fig. 34), just as in the twig blight on chestnut oak, Quercus prinus, as reported by Ingram (1912) and noted subsequently by Rankin (1914). The streak is due to the discoloration of the ceils, not to the presence of the mycelium (Figs. 35 and 36). One has only to examine longisections through the streak to be convinced that the hyphal threads do not grow in strands and are not otherwise arranged so as to give suc
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RFJA497H–Red apples and rotten fruit on wooden floor.
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RFJEJ558–Melon and apples in basket on wooden floor.
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RFMP4GXJ–Melon and apples are fresh on the old wooden floor.
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. /. NEW YORK APPLE TREE CANKER r. Twenty Ounce apple tree, some of the larger limbs of which have been girdled by the fungus. Evidence that this has occurred is found in the defoliated tops of affected limbs j. External view at left, and internal view at right, of young black rot lesions on apple; the specimen on the right shi iws the I issues invi >lved. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - color Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-new-york-apple-tree-canker-r-twenty-ounce-apple-tree-some-of-the-larger-limbs-of-which-have-been-girdled-by-the-fungus-evidence-that-this-has-occurred-is-found-in-the-defoliated-tops-of-affected-limbs-j-external-view-at-left-and-internal-view-at-right-of-young-black-rot-lesions-on-apple-the-specimen-on-the-right-shi-iws-the-i-issues-invi-gtlved-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-color-image234585935.html
RMRHJ8N3–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. /. NEW YORK APPLE TREE CANKER r. Twenty Ounce apple tree, some of the larger limbs of which have been girdled by the fungus. Evidence that this has occurred is found in the defoliated tops of affected limbs j. External view at left, and internal view at right, of young black rot lesions on apple; the specimen on the right shi iws the I issues invi >lved. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - color
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RFJP4A0H–Apples and other fruits on old wooden floor.
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. SYMPTOMS OF THE DISEASE ON FRUIT AND FOLIAGE 1. Types of infection on apples, early stages 2. Apples reduced to mummies as a result of the disease 3. Types of infection on apple leaves as commonly found in Ne%v York State. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Hesler, L. R. (Lexemuel Ray). Ithaca, N. Y. : Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-symptoms-of-the-disease-on-fruit-and-foliage-1-types-of-infection-on-apples-early-stages-2-apples-reduced-to-mummies-as-a-result-of-the-disease-3-types-of-infection-on-apple-leaves-as-commonly-found-in-nev-york-state-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-hesler-l-r-lexemuel-ray-ithaca-n-y-image234586042.html
RMRHJ8TX–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. SYMPTOMS OF THE DISEASE ON FRUIT AND FOLIAGE 1. Types of infection on apples, early stages 2. Apples reduced to mummies as a result of the disease 3. Types of infection on apple leaves as commonly found in Ne%v York State. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Hesler, L. R. (Lexemuel Ray). Ithaca, N. Y. :
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RFMP4D8Y–Apples in a bowl on the old wooden floor.
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. 76 Bulletin 379 such a body was found in apple bark. In old cultures on various artificial media, large, thick-walled, intercalary,'brown, spore-like bodies are some- times present in abundance. They were also obtained easily by transferring bits of mycelium to sterile water. They have been observed in agar cul- tures that have become contaminated by bacteria, being found more especially near the bacterial colonies. The most striking forms observed were on old agar cultures of the stra Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-76-bulletin-379-such-a-body-was-found-in-apple-bark-in-old-cultures-on-various-artificial-media-large-thick-walled-intercalarybrown-spore-like-bodies-are-some-times-present-in-abundance-they-were-also-obtained-easily-by-transferring-bits-of-mycelium-to-sterile-water-they-have-been-observed-in-agar-cul-tures-that-have-become-contaminated-by-bacteria-being-found-more-especially-near-the-bacterial-colonies-the-most-striking-forms-observed-were-on-old-agar-cultures-of-the-stra-image234585753.html
RMRHJ8EH–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. 76 Bulletin 379 such a body was found in apple bark. In old cultures on various artificial media, large, thick-walled, intercalary,'brown, spore-like bodies are some- times present in abundance. They were also obtained easily by transferring bits of mycelium to sterile water. They have been observed in agar cul- tures that have become contaminated by bacteria, being found more especially near the bacterial colonies. The most striking forms observed were on old agar cultures of the stra
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. I'LAVE XI. INOCULATION EXPERIMENTS WITH PHYSALOSPORA CYDONIAE i. The three cankers uii the left produced by inoculating pear with ascospores from apple. Check on the right. Inoculations made June 6, 1913, photograph made September 20, 1913 2. Canker on Twenty Ounce limb produced artificially, using pycnospores from apple. Inoculation made June 20, 1912, photograph made September 20, 1913 3. Canker produced on pear by inoculation with ascospores from apple. The presence of pycnidia shou Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-ilave-xi-inoculation-experiments-with-physalospora-cydoniae-i-the-three-cankers-uii-the-left-produced-by-inoculating-pear-with-ascospores-from-apple-check-on-the-right-inoculations-made-june-6-1913-photograph-made-september-20-1913-2-canker-on-twenty-ounce-limb-produced-artificially-using-pycnospores-from-apple-inoculation-made-june-20-1912-photograph-made-september-20-1913-3-canker-produced-on-pear-by-inoculation-with-ascospores-from-apple-the-presence-of-pycnidia-shou-image234585964.html
RMRHJ8P4–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. I'LAVE XI. INOCULATION EXPERIMENTS WITH PHYSALOSPORA CYDONIAE i. The three cankers uii the left produced by inoculating pear with ascospores from apple. Check on the right. Inoculations made June 6, 1913, photograph made September 20, 1913 2. Canker on Twenty Ounce limb produced artificially, using pycnospores from apple. Inoculation made June 20, 1912, photograph made September 20, 1913 3. Canker produced on pear by inoculation with ascospores from apple. The presence of pycnidia shou
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Bulletin 379 . Plate IX -:**%**. NATURAL CANKERS AND CANKERS PRODUCED BY ARTIFICIAL INOCULATION WITH rHYSALOSPORA CYDONIAE 1. Natural infection on the left; artificial infection on the right. The latter inoculated on July I, [913, with a strain from Twenty Ounce apple bark. Photograph made September 30, 1913 2. Canker on trunk of mature pear tree. Inoculation made July 18, 1910. photograph made September 1, 1911 3. The result of inoculation by use of pyenospores from apple leaves. The Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-bulletin-379-plate-ix-natural-cankers-and-cankers-produced-by-artificial-inoculation-with-rhysalospora-cydoniae-1-natural-infection-on-the-left-artificial-infection-on-the-right-the-latter-inoculated-on-july-i-913-with-a-strain-from-twenty-ounce-apple-bark-photograph-made-september-30-1913-2-canker-on-trunk-of-mature-pear-tree-inoculation-made-july-18-1910-photograph-made-september-1-1911-3-the-result-of-inoculation-by-use-of-pyenospores-from-apple-leaves-the-image234585996.html
RMRHJ8R8–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Bulletin 379 . Plate IX -:**%**. NATURAL CANKERS AND CANKERS PRODUCED BY ARTIFICIAL INOCULATION WITH rHYSALOSPORA CYDONIAE 1. Natural infection on the left; artificial infection on the right. The latter inoculated on July I, [913, with a strain from Twenty Ounce apple bark. Photograph made September 30, 1913 2. Canker on trunk of mature pear tree. Inoculation made July 18, 1910. photograph made September 1, 1911 3. The result of inoculation by use of pyenospores from apple leaves. The
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. VARIOUS STAGES OF PHYSALOSPORA CYDOXIAE 1. Showing differences in growth on nutrient a^ar from pycnospores (heavy dark growth on left) and from asc ispores (scant growth on right) 2. Photomicrograph of asci, ascospores, and paraphyses from a single perithecium 3. Sclerotia as they appear in pure culture 4. Twig of apple, showing dark masses of pycnospores which have oozed from the pycnidia when the twin was kept in a moist chamber. Please note that these images are extracted from scann Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-various-stages-of-physalospora-cydoxiae-1-showing-differences-in-growth-on-nutrient-aar-from-pycnospores-heavy-dark-growth-on-left-and-from-asc-ispores-scant-growth-on-right-2-photomicrograph-of-asci-ascospores-and-paraphyses-from-a-single-perithecium-3-sclerotia-as-they-appear-in-pure-culture-4-twig-of-apple-showing-dark-masses-of-pycnospores-which-have-oozed-from-the-pycnidia-when-the-twin-was-kept-in-a-moist-chamber-please-note-that-these-images-are-extracted-from-scann-image234585911.html
RMRHJ8M7–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. VARIOUS STAGES OF PHYSALOSPORA CYDOXIAE 1. Showing differences in growth on nutrient a^ar from pycnospores (heavy dark growth on left) and from asc ispores (scant growth on right) 2. Photomicrograph of asci, ascospores, and paraphyses from a single perithecium 3. Sclerotia as they appear in pure culture 4. Twig of apple, showing dark masses of pycnospores which have oozed from the pycnidia when the twin was kept in a moist chamber. Please note that these images are extracted from scann
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Fig. 26. PART OF CROSS SECTION OF SCLEROTIUM varies, apparently depending somewhat on age and nutri- tion. Young and well-nourished cells are densely granular, while older threads contain vacuoles and glycogen drops in abun- dance. sclerotia (Plate xiii, 3, and Fig. 26). Sclerotial bodies have been found in nutrient media of high sugar content and in oat agar cultures of ascospores from Hamamelis virginiana. Walker (1908:38) reports the development of sclerotium-like bodies resem- blin Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-fig-26-part-of-cross-section-of-sclerotium-varies-apparently-depending-somewhat-on-age-and-nutri-tion-young-and-well-nourished-cells-are-densely-granular-while-older-threads-contain-vacuoles-and-glycogen-drops-in-abun-dance-sclerotia-plate-xiii-3-and-fig-26-sclerotial-bodies-have-been-found-in-nutrient-media-of-high-sugar-content-and-in-oat-agar-cultures-of-ascospores-from-hamamelis-virginiana-walker-190838-reports-the-development-of-sclerotium-like-bodies-resem-blin-image234537437.html
RMRHG2W1–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Fig. 26. PART OF CROSS SECTION OF SCLEROTIUM varies, apparently depending somewhat on age and nutri- tion. Young and well-nourished cells are densely granular, while older threads contain vacuoles and glycogen drops in abun- dance. sclerotia (Plate xiii, 3, and Fig. 26). Sclerotial bodies have been found in nutrient media of high sugar content and in oat agar cultures of ascospores from Hamamelis virginiana. Walker (1908:38) reports the development of sclerotium-like bodies resem- blin
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. io8 Bulletin 379 solution of 2.5 per cent of glucose and 1 per cent of peptone. No cross- wall was developed. After the third day the wall broke and the contents emerged, forming a bud on the surface of the spore. This spherule may attain a diameter of from 35 to 40 /x; its further development was not followed by Delacroix. The writer has observed similar behavior of pycnospores, except that the swollen parts finally developed a germ tube. This took place in tap water. In some cases ol Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-io8-bulletin-379-solution-of-25-per-cent-of-glucose-and-1-per-cent-of-peptone-no-cross-wall-was-developed-after-the-third-day-the-wall-broke-and-the-contents-emerged-forming-a-bud-on-the-surface-of-the-spore-this-spherule-may-attain-a-diameter-of-from-35-to-40-x-its-further-development-was-not-followed-by-delacroix-the-writer-has-observed-similar-behavior-of-pycnospores-except-that-the-swollen-parts-finally-developed-a-germ-tube-this-took-place-in-tap-water-in-some-cases-ol-image234585721.html
RMRHJ8DD–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. io8 Bulletin 379 solution of 2.5 per cent of glucose and 1 per cent of peptone. No cross- wall was developed. After the third day the wall broke and the contents emerged, forming a bud on the surface of the spore. This spherule may attain a diameter of from 35 to 40 /x; its further development was not followed by Delacroix. The writer has observed similar behavior of pycnospores, except that the swollen parts finally developed a germ tube. This took place in tap water. In some cases ol
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Bulletin* 379 Plate XIV. INOCULATION EXPERIMENTS WITH PHYSALOSPORA CYDONI.E i. Canker on right, check on left. Inoculation made July i, 1912, using pycnospores from pear, the fungus having followed fire blight. Photograph made September 20, 19*3 2. Comparison of two different apple strains on pear. Specimen shown on left inoculated with ascospores from apple. Specimen shown in center inoculated with pycnospores from apple, following fire blight. The very slight infection should be note Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-rot-leaf-spot-and-canker-of-pomaceous-fruits-black-rot-leaf-spots-canker-plant-disease-apples-bulletin-379-plate-xiv-inoculation-experiments-with-physalospora-cydonie-i-canker-on-right-check-on-left-inoculation-made-july-i-1912-using-pycnospores-from-pear-the-fungus-having-followed-fire-blight-photograph-made-september-20-193-2-comparison-of-two-different-apple-strains-on-pear-specimen-shown-on-left-inoculated-with-ascospores-from-apple-specimen-shown-in-center-inoculated-with-pycnospores-from-apple-following-fire-blight-the-very-slight-infection-should-be-note-image234585900.html
RMRHJ8KT–. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. Bulletin* 379 Plate XIV. INOCULATION EXPERIMENTS WITH PHYSALOSPORA CYDONI.E i. Canker on right, check on left. Inoculation made July i, 1912, using pycnospores from pear, the fungus having followed fire blight. Photograph made September 20, 19*3 2. Comparison of two different apple strains on pear. Specimen shown on left inoculated with ascospores from apple. Specimen shown in center inoculated with pycnospores from apple, following fire blight. The very slight infection should be note
. Diseases of fruits and nuts. Fruit; Nuts. 80 Califoknta Agricultural Extension Service L^^ir-120 NECTARINE See "Peach and Nectarine" (p. 84) OLIVE Dry Rot, Shrivel Tip, Monkey Face, Sheep Nose, Bitter Pit.—Dry spots sometimes develop in the flesh of the fruit, usually toward the blos- som end, which becomes shriveled and shrunken in spots or on one side. Fig. 32.—Dry rot, or sheep nose, of olive. (fig. 32). The cause of this is not known, but it seems to be nonparasitic and has the appearance of being related to bitter pit of apples, black end of pears, and blossom-end rot of tomat Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/diseases-of-fruits-and-nuts-fruit-nuts-80-califoknta-agricultural-extension-service-lir-120-nectarine-see-quotpeach-and-nectarinequot-p-84-olive-dry-rot-shrivel-tip-monkey-face-sheep-nose-bitter-pitdry-spots-sometimes-develop-in-the-flesh-of-the-fruit-usually-toward-the-blos-som-end-which-becomes-shriveled-and-shrunken-in-spots-or-on-one-side-fig-32dry-rot-or-sheep-nose-of-olive-fig-32-the-cause-of-this-is-not-known-but-it-seems-to-be-nonparasitic-and-has-the-appearance-of-being-related-to-bitter-pit-of-apples-black-end-of-pears-and-blossom-end-rot-of-tomat-image231413191.html
RMRCDNTR–. Diseases of fruits and nuts. Fruit; Nuts. 80 Califoknta Agricultural Extension Service L^^ir-120 NECTARINE See "Peach and Nectarine" (p. 84) OLIVE Dry Rot, Shrivel Tip, Monkey Face, Sheep Nose, Bitter Pit.—Dry spots sometimes develop in the flesh of the fruit, usually toward the blos- som end, which becomes shriveled and shrunken in spots or on one side. Fig. 32.—Dry rot, or sheep nose, of olive. (fig. 32). The cause of this is not known, but it seems to be nonparasitic and has the appearance of being related to bitter pit of apples, black end of pears, and blossom-end rot of tomat
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