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  1. 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 ...

  2. On-Farm Biosecurity: Traffic Control and Sanitation

    https://ohioline.osu.edu/factsheet/vme-6

    production, biosecurity refers to those measures taken to keep disease agents out of populations, herds or ... States attempts to keep swine and avian influenza as well as foot-and-mouth disease (FMD) out of its ... or reintroduction of livestock diseases they have been able to prevent or eradicate from their herds ...

  3. Late Leaf Rust of Red Raspberries

    https://ohioline.osu.edu/factsheet/plpath-fru-17

    Department of Plant Pathology Late leaf rust is a potentially serious disease of red raspberries. Late leaf ... rust does not affect black raspberries or blackberries. The disease can affect leaves, canes, ... disease. However, losses due to fruit infection have reached 30 percent in commercial red raspberry ...

  4. Tar Spot Q&A

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/tar-spot-qa

    Q: Is tar spot a late-season disease in Ohio? A: No, tar spot can develop at any time during the ... primarily towards the end of the season, giving the impression that it would likely be a late-season disease ... is similar to what is being observed in neighboring states where the disease is established and ...

  5. Peach Leaf Curl

    https://ohioline.osu.edu/factsheet/plpath-fru-26

    disease that occurs on peach, nectarine, and related ornamental plants. The disease, though not a problem ... other diseases and to winter injury. Weakened trees also will produce fewer fruit the following season. ... Yield may be further reduced when blossoms and young fruit become diseased and drop. Symptoms Figure 1. ...

  6. Verticillium Wilt of Raspberry

    https://ohioline.osu.edu/factsheet/plpath-fru-04

    Pathology Verticillium wilt is one of the most serious diseases of raspberry. This disease is caused by ... or the entire plant. The disease is usually more severe in black than in red raspberries. ... Blackberries are also susceptible to the disease, but seldom suffer severe losses. Figure 1. Verticillium wilt ...

  7. Dutch Elm Disease

    https://ohioline.osu.edu/factsheet/plpath-tree-04

    Pierluigi (Enrico) Bonello, Department of Plant Pathology Dutch elm disease (DED) is one of the most ... destructive urban forest diseases. This disease affects native American elm species, such as American (Ulmus ... lacebark (U. parvifolia) elms, are much less susceptible to DED, and the disease is not considered an issue ...

  8. Sooty Blotch and Fly Speck of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-41

    Pathology Sooty blotch and fly speck are two different diseases. Both diseases are widespread throughout the ... of near-mature fruit. The discoloration is superficial, and while neither disease actually damages ... the fruit, the presence of disease reduces the grade and market value of the fruit. Although all apple ...

  9. Strawberry Leaf Diseases

    https://ohioline.osu.edu/factsheet/plpath-fru-35

    Pathology Fungal diseases of the leaf may occur as soon as the first leaves unfold in early spring and ... continue until dormancy in the late fall. On highly susceptible varieties, these diseases can cause ... significant economic damage. The primary damage from leaf diseases is a loss of vigor through reduced leaf ...

  10. Agronomic Field Day: June 23 at the Northwest Agriculture Research Station in Wood County

    https://agcrops.osu.edu/events/agronomic-field-day-june-23-northwest-agriculture-research-station-wood-county

    sources used in soybeans, how flooding effects corn, and an update on soybean diseases. When:  Thursday, ... Station in Wood County. Topics include update tar spot in corn, yield response from different sulfur ...

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