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Apple Powdery Mildew
https://ohioline.osu.edu/factsheet/plpath-fru-21
usually at the ends of branches. Small, whitish felt-like patches of fungal growth appear and quickly ... cover the entire leaf. Diseased leaves become narrow, crinkled, stunted and brittle. By mid-summer, ... fungal fruiting bodies, but their importance in the disease cycle is probably minimal. The fungus spreads ...
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Understanding Dimensional Changes In Wood Products
https://ohioline.osu.edu/factsheet/F-72-11
old growth southern pines provided straight-grained boards with many annual rings per inch for home ... cross-grain, and fewer annual rings per inch. Discriminating buyers who understand these dimensional changes in ... (earlywood) and dark (latewood) colored bands of wood make up the annual ring of one growing season. Conifers, ...
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Gray Leaf Spot of Corn
https://ohioline.osu.edu/factsheet/plpath-cer-05
prevalent foliar fungal diseases of corn in the state of Ohio ever since it was first reported in parts of ... into no-till fields and conditions are favorable for infection. Reports of high disease severity are ... humidity favor infect and disease development and spread. Under these conditions, yield losses ranging from ...
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Giant Caterpillars
https://ohioline.osu.edu/factsheet/HYG-2015-11
orange with scattered yellow patches. Cecropia Moth Larva This caterpillar is the larvae of the ... dark red-brown sprinkled with gray and pink. The body is large and covered with long, rust-red hair. ... brown with gray dusting on the forewing edges and vertical pink lines near the body. Each hindwing has ...
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Monitoring and Managing Spotted Wing Drosophila in Fruit Crops
https://ohioline.osu.edu/factsheet/ent-0086
small (less than 4 mm), its body is light yellowish brown, and it has red eyes. However, SWD has some ...
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Rusts of Apple
https://ohioline.osu.edu/factsheet/plpath-fru-02
PLPATH-FRU-02 05/06/2016 Michael A. Ellis, Department of Plant Pathology Three rust diseases occur ... green area becomes brown and spongy. The formation of pycnia and aecia on infected fruit is rare. Apples ... crabapple. Larger, gray to brown spots form on leaves of hawthorn. Few aecia form on apple and crabapple. ...
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Clover Mites
https://ohioline.osu.edu/factsheet/HYG-2095
They are a nuisance by their presence, but they do not bite humans or animals, transmit disease, nor ... feed on household furnishings or pantry supplies. They feed on various plants and turf outside, but ... Identification Clover mites are about 1/30 inch long (smaller than a pinhead), oval-shaped, reddish-brown to dark ...
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Botrytis Bunch Rot or Gray Mold of Grape
https://ohioline.osu.edu/factsheet/plpath-fru-03
mold grape infected grapes shriveled grapes brown grapes diseased grapes controlling grape fungus Plant ... and causes diseases on a variety of unrelated crops. Bunch rot can cause serious losses on highly ... Infection of ripe berries is the most common and destructive phase of this disease. Infected berries first ...
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Sclerotinia Stem Rot (White Mold) of Soybean
https://ohioline.osu.edu/factsheet/plpath-soy-3
present leaves that turn brown to tan. (A. Dorrance, OSU). Symptoms and Signs Diseased plants first appear ... Sclerotinia stem rot, or white mold, of soybean is a disease most commonly reported in high-yield soybeans in ... the North Central Region of the United States. Overall disease incidence and severity vary from year ...
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Powdery Mildew of Wheat
https://ohioline.osu.edu/factsheet/plpath-cer-11
tritici, is the most common foliar disease of wheat in Ohio. It is most damaging in years with relatively ... late April or early May when wheat is in the joint to flag-leaf stage of development. This disease ... the flag leaf becomes severely diseased by heading. Losses of up to 45 percent have been documented in ...