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  1. Downy Mildew of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-33

    infected leaves eventually turn brown, wither, curl and drop. The disease attacks older leaves in late ... Pathology Downy mildew is a major disease of grapes throughout the eastern United States. The fungus causes ... cotton-like growth (Figure 2). Infected tissue gradually becomes dark brown, irregular, and brittle. Severely ...

  2. Cork Spot and Bitter Pit of Apples

    https://ohioline.osu.edu/factsheet/plpath-fru-01

    disease usually is not serious. This is an updated version of a fact sheet originally published in 1992. ... sometimes confuse these disorders with damage resulting from insects or pathological diseases, particularly ... used in controlling post-bloom diseases and insects affecting fruit. Do not apply calcium chloride ...

  3. Selecting, Storing, and Serving Ohio Apples

    https://ohioline.osu.edu/factsheet/HYG-5507

    Larson, and Anne Brown Rodgers. Dietary Guidelines for Americans 2015–2020 Eighth Edition. Washington, ...

  4. Fire Blight of Apples and Pears

    https://ohioline.osu.edu/factsheet/plpath-fru-22-0

    a common and very destructive bacterial disease of apples and pears (Figure 1). The disease is caused by ... (Rosaceae) family (Table 1). On apples and pears, the disease can kill blossoms, fruit, shoots, twigs, ... Crabapple Hawthorn Mountain Ash Pyracantha Quince Raspberry Spirea Disease Development Fire blight first ...

  5. Ohio Opportunity Zones in Community and Economic Development

    https://ohioline.osu.edu/factsheet/cdfs-4112

    Service. 2021. Opportunity Zones (web page). Reviewed or updated November 10, 2021. ...

  6. 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 ...

  7. New Pesticide Applicator Training- August 18, 2022

    https://pested.osu.edu/events/new-pesticide-applicator-training-august-18-2022

    will choose between Industrial Vegetation (Category 5) and Turf (Category 8). Testing is available at ... control principless and herbicide terminology for: Ornamental Weed (6c) Industrial Vegetation (5) Turf (8) ...   2:10 Breakout Sessions Turf (8) Auditorium Industrial Vegetation (5) Seminar Room A Turf Insects ...

  8. 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 ...

  9. 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. ...

  10. ANR Insect and Disease Summer Inservice to be Held on Aug. 18

    https://extops.cfaes.ohio-state.edu/newsletter/news-and-notes/august-5-2022/anr-insect-and-disease-summer-inservice-be-held-aug-18

    The CFAES departments of Entomology and Plant Pathology will be hosting a workshop with in-field scouting demonstrations and presentations on statistics and a brief intro to 3D printing. ...

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