Wheat Disease

C.O.R.N. Newsletter Articles

  1. Head Scab Risk Low

    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
  2. Wheat at anthesis.

    Wheat Disease Risk and Fungicide Application Programs

    Author(s): Pierce Paul

    Additional Authors: Marian Luis and Maira Duffeck

    Issue: 2021-14

  3. Using the Forecasting System to Assess the Risk of Head Scab

    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
  4. wheat diseases

    Scab Risk Low, but Keep Your Eyes on Leaf Diseases

    Author(s): Pierce Paul

    According to the FHB forecasting system, the risk for head scab continues to be low across the state of Ohio, for wheat flowering (or barley heading) today, May 18. In spite of the wet weather we have had, it has been very cold over the last week to 10 days. Cold temperatures between heading and flowering usually reduce the risk for scab, as the disease develops best under warm, wet, or humid conditions. However, you must continue to be vigilant as the crop in the northern half of the state approach heading and anthesis.

    Issue: 2020-14
  5. Bleached florets reveal head scab on wheat

    Managing Head Scab with Fungicides Q&A

    Author(s): Pierce Paul

    Most of the wheat in the northern half of the state is still between Feekes growth stage 8 (early flag leaf emergence) and 9 (full flag leaf emergence), but in the southern half of the state, wheat is much further along. Malting barley is even further along than wheat, and will soon be approaching the heading growth stage. Understandably, given the wet weather we have had so far this season, folks are asking questions about head scab and vomitoxin.

    Issue: 2020-13
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Publications

  1. Wheat Disease Management in Ohio, Bulletin 785

    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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