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  1. Anthracnose of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-15

    The disease was probably introduced into this country by grape plant material imported from Europe. It ... quickly established in American vineyards and became a significant disease of grape in rainy, humid, and ... warm regions of the United States. The disease is not common in Ohio; however, it caused severe damage ...

  2. Botrytis Fruit Rot “Gray Mold” of Strawberry, Raspberry, and Blackberry

    https://ohioline.osu.edu/factsheet/plpath-fru-36

    blackberry. Under favorable environmental conditions for disease development, serious losses can occur. One of ... the most serious and common fruit rot diseases is gray mold. The gray mold fungus can affect petals, ... flower stalks (pedicels), fruit caps, and fruit. In wet, warm seasons, probably no other disease causes ...

  3. Japanese Beetle

    https://ohioline.osu.edu/factsheet/ENT-46

    like old carpet to reveal the grubs. Large populations of grubs kill the turf in irregular patches ... usually in high-quality urban turf. Beetle skeletonizing a leaf Hosts The adult beetles are general ... most commonly damage turf. The turf first appears off-color as if under water stress. Irrigating causes ...

  4. Spur Blight of Red Raspberries

    https://ohioline.osu.edu/factsheet/plpath-fru-28

    body (perithecia). Leaflets sometimes become infected and show brown, wedge-shaped diseased areas, with ... raspberries. Spur blight has been considered to be a serious disease of red raspberry; however, recent studies ... bearing side branches. In addition, berries produced on diseased canes may be dry, small, and seedy. ...

  5. 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 ...

  6. Viral Diseases of Plants

    https://ohioline.osu.edu/factsheet/plpath-gen-5

    colorful) names based on the disease they cause—for example, tobacco ring spot, watermelon mosaic, barley ... provide an overview of key concepts in plant pathology. Plant pathology is the study of plant disease ... intracellular (inside cells) pathogenic particles that infect other living organisms. Human diseases caused by ...

  7. Giant Caterpillars

    https://ohioline.osu.edu/factsheet/HYG-2015-11

    veins and yellow spots. The hindwings are primarily orange with scattered yellow patches. Hickory Horned ... forewings and a crescent-shaped spot in the center of each wing. The overall wing color is dark red-brown ... color is light brown with gray dusting on the forewing edges and vertical pink lines near the body. Each ...

  8. 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 ...

  9. Selecting, Storing, and Serving Ohio Grapes

    https://ohioline.osu.edu/factsheet/HYG-5518

    contain more fiber and phytonutrients that may reduce inflammation, heart disease, and certain cancers. ...

  10. 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 ...

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