Wheat Disease

C.O.R.N. Newsletter Articles

  1. 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
  2. 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
  3. 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
  4. Wheat at anthesis.
    Author(s): Pierce Paul

    Additional Authors: Marian Luis and Maira Duffeck

    Issue: 2021-14
  5. Author(s): Pierce Paul

    The head scab risk tool can be used to assess the risk of head scab and to help guide fungicide application decisions. Here are a few guidelines for using the system and interpret the output:

    1.) Go to the website at www.wheatscab.psu.edu. You will see a map of the United States with some states in green, yellow, red, or gray.

    Issue: 2020-15

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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