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  1. Gray Leaf Spot on Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-3083

    sports turf. Application of fungicides should begin prior to the onset of disease, around August 1 in ... grisea chemical control gray spot st. augustine grass plant disease lawn and turf gray leaf spot turf ... Pathology Gray leaf spot is a disease of increasing importance in the turfgrass industry in the United ...

  2. Grape Berry Moth

    https://ohioline.osu.edu/factsheet/ent-0097

    Infestations can also contaminate fruit by introducing plant pathogens that cause plant diseases like bunch rot ... debris on the vineyard floor (Goldammer, 2018). The adult is a mottled-brown moth with some bluish gray ...

  3. Bumble Bee Pollination in Tomato Greenhouses

    https://ohioline.osu.edu/factsheet/ent-0092

    occidentalis in the Western United States was halted due to decimation by disease (Winter et al., 2006). Bumble ... including control for most climactic variables year-round, and added protection from pests and diseases ... Schmid-Hempel, P., Wilfert, L., & Schmid-Hempel, R. (2019). Pollinator diseases: The Bombus–Crithidia system. ...

  4. Pest Alert: Spotted Lanternfly in Grape Production

    https://ohioline.osu.edu/factsheet/ent-0098

    masses typically look brown to gray in appearance and have a claylike texture. The nymphal stages of ...

  5. Ohio 4-H adventures into totality

    https://ohio4h.org/april-2024/ohio-4-h-adventures-totality

    updates on how close we were to totality,” said Cluxton. “Once the moon eclipsed the sun completely ...

  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. Brown Marmorated Stink Bug

    https://ohioline.osu.edu/factsheet/ent-90

    The brown marmorated stink bug, Halyomorpha halys, is a pest that was accidentally introduced into the ... marble-like coloration (Figure 1). The brown marmorated stink bug feeds on fruits, seeds, stems, and leaves of ... coloration on the adult of the brown marmorated stink bug. Photo: A. Raudenbush, The Ohio State University ...

  8. Shiitake Mushroom Production: Troubleshooting

    https://ohioline.osu.edu/factsheet/f-0105

    inoculating logs after they were cut. Shiitake characteristics include a light to brown cap with whitish gills ... that turn brown with age, a white-spore print, and a white to light-brown stalk with an often fuzzy ... mutabilis, Hypholoma capnoides, and other small brown mushrooms. Some of these are poisonous. Logs not used ...

  9. 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 ...

  10. 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 ...

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