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Agronomic Crops Network

Ohio State University Extension


C.O.R.N. Newsletter: 2021-19

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. Male Western Corn Rootworm
  2. Author(s): Mike Gastier, CCA

    In recent years Ohio has seen a huge resurgence of rye usage as a cover crop. While rye can be a good option as a cover crop, it is also a persistent threat as a weed in

  3. Author(s): Aaron Wilson, Tony Nye,

    Though not in the heart of

  4. Author(s): Mark Loux

    It can be nice to see old friends.  Except when they cause crop and yield loss, refuse to leave after a few days, and don’t respond to chemicals.  A while back we

  5. Poison hemlock (Conium maculatum L.) and wild parsnip (Pastinaca sativa L.) are combined in this report because these invasive non-native weeds are increasingly found growing together in Ohio.  However, the defense chemicals of these weeds are very different and have vastly different modes of action.  This is important to understand relative to management options as well as medical treatments for exposure to these highly dangerous weeds.
    Author(s): Mark Loux, Ted Wiseman, Allen Gahler


  6. Author(s): Laura Lindsey, Eric Richer, CCA

    Wheat harvest is rapidly approaching, and with relatively high soybean prices, we

  7. CORN Live June 24

    CORN Live session focuses on weed management in soybeans and wheat harvest. We will have field updates from Jason Hartschuh, Mark Loux, John Hoffman, and Brad Moffitt. The webinar is on June 24th, 8 am-9