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Agronomic Crops Network

Ohio State University Extension

CFAES

Wheat Disease

C.O.R.N. Newsletter Articles

  1. Author(s): Pierce Paul , Author(s): Laura Lindsey
    Issue: 2025-13
  2. Author(s): Stephanie Karhoff, CCA , Author(s): Amanda Douridas, CCA , Author(s): Pierce Paul

    Wet conditions have stalled corn and soybean planting but may be ramping up the risk of foliar disease in wheat.

    Issue: 2025-13
  3. Author(s): Pierce Paul

    Wheat is, or will soon be, flowering in parts of central and northern Ohio. After a relatively slow start to the season, several days of warm weather caused the crop to advance, reaching anthesis (Feekes 10.5.1) a few days earlier than usual in some locations. Feekes 10.5.1 is the growth stage at which wheat is most susceptible to infection by the fungus that causes head scab and produces vomitoxin.

    Issue: 2022-15
  4. wheat
    Author(s): Pierce Paul

    The wheat crop in Ohio is now between early boot (Feekes 10, in the south) and approaching Feekes 8 (flag leaf emergence) in northern counties. Cooler-than-usual conditions over the last few weeks have slowed the crop down considerably, but as temperatures increase, the crop will advance through several growth stages over a relatively short period. Cool conditions have also kept foliar diseases in check, but Septoria, and to a lesser extent, powdery mildew are still showing up in some fields.

    Issue: 2022-13
  5. Author(s): Pierce Paul , Author(s): Aaron Wilson

    According to the FHB forecasting system (http://www.wheatscab.psu.edu/), the risk for head scab is low across the state of Ohio for wheat flowering (anthesis) today, May 24, and over the next three days. Although temperatures have increased over the last few days, it has been very dry across most of the state where is crop is between full head emergence and early anthesis (flowering).

    Issue: 2021-15

Publications

  1. Wheat Disease Management in Ohio, Bulletin 785. Effective disease management requires knowledge of the important yield-limiting diseases most likely to occur in Ohio. This bulletin addresses the essential components of the disease symptoms with color images, the environmental factors favoring the disease, the method of transmission and infection, and management options for the major diseases affecting wheat in Ohio.

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