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Ohio State University Extension

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C.O.R.N. Newsletter: 2014-20

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Crop Observation and Recommendation Network

C.O.R.N. Newsletter is a summary of crop observations, related information, and appropriate recommendations for Ohio crop producers and industry. C.O.R.N. Newsletter is produced by the Ohio State University Extension Agronomy Team, state specialists at The Ohio State University and the Ohio Agricultural Research and Development Center (OARDC). C.O.R.N. Newsletter questions are directed to Extension and OARDC state specialists and associates at Ohio State.

  1. Postemergence Control of Giant Ragweed in Soybeans

    Author(s): Mark Loux

    The wet season has delayed crop development and postemergence herbicide applications in many soybean fields, and there are some large giant ragweed waiting to be treated.  Roundup Ready

  2. Late-Season Wheat Grain Quality Concerns

    Author(s): Pierce Paul, Laura Lindsey

    Wheat harvest will likely be late again this year, particularly in the northern half of

  3. Update on Kudzu Bugs in Ohio

    PVC Kudzu bug traps have been placed in southern Ohio counties and along I-75.
    Author(s): Andy Michel

    Last week, the University of Kentucky reported the presence of the invasive kudzu bug in another county (

  4. Expectations for Western Bean Cutworm

    Western Bean Cutworm larva.
    Author(s): Andy Michel

    For the past 8 years, we have used pheromone traps to monitor the presence of western bean cutworm. This is a relatively new pest for Ohio that is a significant ear-feeder on corn. 

  5. Determination of Ear Size in Corn Well Underway

    The number of kernel rows on an ear may be determined as early as V8.
    Author(s): Peter Thomison

    During the past two weeks corn has “exploded” in growth in many Ohio fields. Under favorable growing conditions corn plants can grow nearly three inches per day between V8 (i.e

  6. Northwest Ohio Precision Ag Technology Day - Aug. 5th

    Author(s): Eric Richer, CCA

    Farmers and crop consultants interested in seeing the latest combine, grain handling and harvest technology are encouraged to attend the Tuesday, August 5th Northwest Ohio