Fire blight disease affected pear leaves.

RFID:2BX36N8

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Gabor Tinz / Alamy Stock Photo

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2BX36N8

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54.5 MB (1.2 MB Compressed download)

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5266 x 3620 px | 44.6 x 30.6 cm | 17.6 x 12.1 inches | 300dpi

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Woman holding a magnifying glass and looking at sick pear leaves.

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RF2BX3661–Fire blight disease affected pear leaves.

RF2C42110–Apple tree seen on the allotment with fire blight, a bacterial disease affecting mainly apple and pear trees, with the tips of branches dying off.

RF2JAGGC6–A diseased fruit tree, a dying pear tree from a fire blight on a garden plot

RMRH0W14–. Bulletin. Agriculture. April, 1912] SOME APPLE DISEASES TREATMENT. 21 FIRE BLIGHT. Bacillus amylovorus (Burrill) De Toni. This is a very serious disease of the pear. On the apple th disease may start in the blossom or in the tender tips of growing twigs and spread to kill the entire season's growth. Insects are the great agency in the spread of the disease. The trouble is of rare occurrence in New Hampshire, and has been seen by the writer only on trees that were closely adjacent to seriously. Fig. 25.—Sprayed tree adjacent to the one shown in Fig. 24. affected pear trees. The destruction of

RMMCK99K–. Fig. 31.—Loquat scab. tree. This is the same bacterial disease as fire blight of pear, apple, and other related hosts. Affected branches should be cut out well below the blighted part and the tools and cuts disinfected. See "Fire Blight, Blight" under "Pear" (p. 101). Scab.—Dark, velvety fungus spots sometimes develop on young fruit and leaves (fig. 31) and cause the fruits to be more or less deformed. This is caused by Fusicladium criohotryae and is similar to pear and apple scab, caused by a closely related fungus. Scab of loquats is not usually important enough to warr

RF2C4216K–Apple tree seen on the allotment with fire blight, a bacterial disease affecting mainly apple and pear trees, with the tips of branches dying off.

RMRCDP7K–. Diseases of flowers and other ornamentals. Flowers; Plant diseases. Diseases of Flowers and Other Ornamentals 17 COTONEASTER Fire Blight, Blight.—In cotoneaster plants attacked by this bacterial disease, blossom clusters, shoots and branches wilt and die as in the same. Fig. 4.—Cotoneaster stems with blight cankers. disease on pear and apple. Cankers are formed on the stems (fig. 4). The cause is Erwinia amylovora.4 Diseased parts should be cut off, the cuts being made several inches be- low the affected portion. Cutting tools should frequently be swabbed with a rag saturated with corrosive

RF2C420KJ–Apple tree seen on the allotment with fire blight, a bacterial disease affecting mainly apple and pear trees, with the tips of branches dying off.

RF2C420W5–Apple tree seen on the allotment with fire blight, a bacterial disease affecting mainly apple and pear trees, with the tips of branches dying off.

RF2C421AN–Apple tree seen on the allotment with fire blight, a bacterial disease affecting mainly apple and pear trees, with the tips of branches dying off.

RF2GD388F–West Sussex, UK. Fireblight seen on this pear tree branch. Credit: Joe,Kuis / Alamy Reportage

RF2GD388B–West Sussex, UK. Fireblight seen on a large branch of a pear tree. Credit: Joe Kuis/ Alamy Reportage

Fire blight disease affected pear leaves.

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