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  1. Pollinator Quick Guide: What You Can Do to Help Bumble Bees

    https://ohioline.osu.edu/factsheet/ent-81

    introduced diseases that infect only bumble bees. Because of these threats, some native bumble bee species ... that used to be common, such as the rusty-patched bumble bee, are now facing extinction. In 2017, the ... U.S. Fish and Wildlife Service listed the rusty-patched bumble bee as an endangered species under the ...

  2. Blueberry Leaf Rust

    https://ohioline.osu.edu/factsheet/plpath-fru-43

    Tsuga  (hemlock, spruce), and Rhododendron (azalea, rhododendrum). The disease has been reported in Asia, ... disease is sporadic and localized. Leaf rust can cause premature defoliation of affected bushes. Over ... time, and if not properly managed, bushes slowly decline and produce fewer marketable berries. Disease ...

  3. 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 ...

  4. Growing Muskmelons in the Garden

    https://ohioline.osu.edu/factsheet/hyg-1615

    diseases. Suggested Cultivars There are many very good cultivars available with more new releases every ... your area. Remember that newer varieties tend to have more disease resistance in their genetics. This ... can be a useful tool in controlling diseases like powdery mildew. A knowledgeable seed representative ...

  5. 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 ...

  6. 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. ...

  7. 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 ...

  8. 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 ...

  9. 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 ...

  10. 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 ...

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