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Agronomic Crops Network

Ohio State University Extension

CFAES

C.O.R.N. Newsletter

  1. Hessian Fly Safe Dates for Ohio counties
    Author(s): Andy Michel , Author(s): Pierce Paul , Author(s): Kelley Tilmon

    The cold temperatures this week reminded us that we are approaching our fly-free date for Ohio. These
    dates are based on predictions on when most Hessian fly adults would no longer be alive to lay eggs on
    emerging wheat. Planting winter crops after this date is a good practice to prevent infestations. Areas
    of Northern Ohio can safely plant wheat after September 22, whereas the dates in southern Ohio extend
    to October 4 and 5.

    Issue: 2020-31
  2. Herbicide options for burndown of existing weeds prior to planting of no-till wheat include glyphosate, Gramoxone, Sharpen, and dicamba.  Among these, the combination of glyphosate and Sharpen probably provides the best combination of efficacy on marestail, flexibility in application timing and residual control.  Dicamba labels have the following restriction on preplant applications – “allow 10 days between application and planting for each 0.25 lb ai/A used”.  A rate of 0.5 lb ai/A would therefore need to be applied at least 20 days before planting.  We do not know of any 2,4-D product lab

    Issue: 2020 - 30
  3. Hessian Fly Safe Dates for Ohio counties
    Author(s): Laura Lindsey , Author(s): Pierce Paul , Author(s): Ed Lentz, CCA , Author(s): Steve Culman

    Wheat helps reduce problems associated with the continuous planting of soybean and corn. With soybean harvest quickly approaching, we would like to remind farmers of a few management decisions that are important for a successful crop.

    Issue: 2020 - 30
  4. Author(s): Laura Lindsey , Author(s): Matthew Hankinson

    Yield results for the 2020 Ohio Wheat Performance Test are online at: https://www.oardc.ohio-state.edu/wheattrials/default.asp?year=2020

    Issue: 2020-24
  5. Author(s): Laura Lindsey

    Between planting in the fall and Feekes 4 growth stage (beginning of erect growth) in the spring, winter wheat is vulnerable to environmental stress such as saturated soils and freeze-thaw cycles that cause soil heaving. All of which may lead to substantial stand reduction, and consequently, low grain yield. However, a stand that looks thin in the spring does not always correspond to lower grain yield. Rather than relying on a visual assessment, we suggest counting the number of wheat stems or using the mobile phone app (Canopeo) to estimate wheat grain yield.

    Issue: 2020-06
  6. Stored Corn

    Managing stored grain throughout the winter is an important part of your grain marketing plan for farm profitability. This winter we are already receiving reports of stored grain going out of condition, which can lower the value and be a hazard to those working around the grain facility. At a minimum, stored grain that has gone out of condition can cause health hazards, especially when grain dust contains mold and bacteria. Out of condition grain can also form a crust or stick to the bin walls and if someone enters the bin for any reason an entrapment could occur.

    Issue: 2020-02
  7. Author(s): Alexander Lindsey

    Additional authors: Andrew Evans, OSU Horticulture & Crop Science and John Armstrong, Ohio Seed Improvement Association

    Issue: 2020-01
  8. Author(s): Laura Lindsey , Author(s): Matthew Hankinson

    Yield results from the 2019 Ohio Wheat Performance Test are online at: https://www.oardc.ohio-state.edu/wheattrials/default.asp?year=2019 Disease information will be available soon.

    Issue: 2019-24
  9. Author(s): Dee Jepsen , Author(s): Pierce Paul

    This year, due of the wet conditions we experienced during the spring, Fusarium head blight, also known as head scab, developed in a few localized areas of the state. Grain harvested from scab-affected fields is often contaminated with vomitoxin and other mycotoxins, because the disease and toxins go hand in hand. Severely affected kernels are usually small, shriveled, lightweight, covered with pinkish-white fungal mycelium, and most importantly, heavily contaminated with mycotoxins.

    Issue: 2019-22
  10. Growing Wheat
    Author(s): Pierce Paul

    Most of the wheat fields in the northern half of the state reached anthesis last week. The remaining fields will reach this critical growth stage during this week. According to the scab forecasting system (www.wheatscab.psu.edu), the risk for Fusarium head blight (FHB; commonly referred to as head scab) has been moderate-to-high over the last 5-7 days on susceptible varieties planted in the northwest corner of the state.

    Issue: 2019:16

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