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Diplodia Tip Blight of Two-Needled Pines
https://ohioline.osu.edu/factsheet/plpath-tree-03
diseases in the urban environment. It affects many common landscape pines in the Midwest, including ... disease is found throughout the Great Plains, Midwest, Northeast, and California. Figure 1. Typical tip ... blight symptoms on Austrian pine. Symptoms and Signs This disease is characterized by the blight, or ...
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Scab of Peach, Nectarine, Plum, and Apricot
https://ohioline.osu.edu/factsheet/plpath-fru-39
The disease affects fruit, leaves and young green twigs. Scab is most common in home orchards where ... by the scab fungus. The disease is usually more serious in low-lying, moist, shady areas where air ... the leaf. Diseased leaf tissue may dry up and drop out, leaving “shot-holes.” If the season is wet, ...
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Melampsora Rust
https://ohioline.osu.edu/factsheet/plpath-tree-08
known as poplar leaf rust, is a foliar rust disease that has been a large problem for trees in the genus ... willows, in the United States and throughout the world. The disease is caused by several fungal pathogens ... addition to species of Saxifraga (rockfoils) and Ribe s (currants and gooseberries). The disease was ...
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Corn Hybrid Reactions to Gray Leaf Spot In Ohio, 1995-1996
https://ohioline.osu.edu/factsheet/agf-130
Horticulture and Crop Science Gray leaf spot (GLS) is a foliar disease of corn caused by the residue-borne ... fungus, Cercospora zeae-maydis. This disease has become a widespread problem affecting corn production in ... 1995 enhanced the spread of the disease throughout most of the state and resulted in statewide yield ...
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Grape Black Rot
https://ohioline.osu.edu/factsheet/plpath-fru-24
one of the most damaging diseases of grapes in Ohio and other northeastern states. The disease is ... rachises and cluster stems (peduncles) of grapes. If the disease is not managed early in the season, the ... on a grape leaf. Inset shows the dark pycnidia that can be seen in the center of each spot. Disease ...
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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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Radish as a Cover Crop in Ohio
https://ohioline.osu.edu/factsheet/anr-0125
Nematodes Very good Disease Very good Allelopathic (produces biochemicals that inhibit weeds) Very good ...
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Forage Turnip as a Cover Crop in Ohio
https://ohioline.osu.edu/factsheet/anr-0124
fighter Good Nematodes Very good Disease Good Allelopathic (produces biochemicals that inhibit weeds) Very ...
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Phytophthora Damping-off and Root Rot of Soybean
https://ohioline.osu.edu/factsheet/plpath-soy-04
destructive diseases of soybeans in Ohio for more than 60 years. When rainfall saturates fields soon after ... and 8 percent in years with more normal planting seasons. The disease is most severe in poorly drained ... zoospores. Rps genes and Pathotypes This disease has been managed effectively by planting cultivars with Rps ...
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Orange Rust of Brambles
https://ohioline.osu.edu/factsheet/plpath-fru-30
fungus Arthuriomyces peckianus. Orange rust is the most important of several rust diseases that attack ... the canes are stunted. As the disease develops, the edges and lower surface of infected leaves (Figure ... and bright orange (Figure 2C). This bright orange, rusty appearance is what gives the disease its ...