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  1. Billbugs in Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-2502-12

    of the turf, as if the turf was going into drought and heat dormancy or disease attack was occurring. ... turf plant. Larvae are grub shaped, but legless; they have cream-colored bodies, brown head capsules, ... weevils chemical control of larvae snout beetles turf pests turf damage turf fungal diseases parasitic ...

  2. Tips for Calibrating Grain Yield Monitors—Maximizing Value of Your Yield Data

    https://ohioline.osu.edu/factsheet/anr-8

    patches, or areas of major topography changes in the field. Hillsides and rolling ground can impact ...

  3. Powdery Mildew on Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-3081

    ornamentals, and turfgrass species. In general, it is not considered to be a serious disease on turf. Powdery ... disease lawn and turf powdery mildew on turf turf fungus chemical control of powdery mildew fungal growth ... Severe outbreaks on Kentucky bluegrass tend to occur on turf growing in shaded areas during spring to ...

  4. Ripe Rot of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-0052

    disease that primarily occurs in warm, moist, growing regions in the southeastern United States. However, ... during fruit maturation. The disease is caused by multiple species of the fungus Colletotrichum. Ripe rot ... to undesirable flavors and color. Disease Development and Symptoms Ripe rot is caused by multiple ...

  5. 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 ...

  6. 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 ...

  7. Narrow Row Spacing in Corn: Management Considerations for Ohio

    https://ohioline.osu.edu/factsheet/anr-0152

    disease issues, and response to foliar inputs of nitrogen (N) and fungicide. The trials were conducted ... days) but varying in foliar disease ratings, according to company literature, were used to assess ... differences in foliar disease and response to fungicide and foliar nitrogen (N) when grown in narrow (15-inch) ...

  8. Downy Mildew of Blackberry

    https://ohioline.osu.edu/factsheet/plpath-fru-48

    blackberry (Rubus sp.) is a systemic disease caused by the fungal-like pathogen Peronospora sparsa. Nearly ... all blackberry cultivars are susceptible to downy mildew. The disease also occurs on boysenberry, ... visible. Disease is most severe during wet weather with cool to warm temperatures. Figure 1. Downy mildew ...

  9. Chinch Bugs in Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-2503-11

    to turn yellow then brown. The patches continue to expand outward and the turf eventually dies, ... crabgrass.  Types of Damage Chinch bug damage is usually first detected when irregular patches of turf begin ... research suggests that this disease has a greater impact on the chinch bugs when the turf enters into ...

  10. White Rot and Botryosphaeria Canker of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-42

    canker phase of the disease is most severe in trees weakened by drought, winter injury, sunscald, poor ... pruning, low or unbalanced nutrition, and other plant diseases. The fruit rot phase can be sporadic in ... to be affected than other varieties. Symptoms Fruit At first, small, reddish-brown spots appear ...

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