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Ohio State University Extension

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C.O.R.N. Newsletter: 2025-17

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. Battle for the Belt: Season 3, Episode 11: June Weather Update

    Author(s): Maria Kessler, Laura Lindsey, Osler Ortez, Aaron Wilson, Taylor Dill, Diego Miranda

    Season 3, Episode 11 of Battle for the Belt is now available

    In Episode 11 of Battle for the Belt, we get a June weather update from Dr. Aaron Wilson, OSU Extension Ag Weather & Climate Field Specialist and State Climatologist of Ohio.  

  2. Lep Monitoring Network Update #7 – Corn earworm and Western Bean Cutworm

    Author(s): Trevor Mullen, Rosalind Holt-Frank, Evan Hodkinson, Amy Raudenbush, Nic Baumer, JD Bethel, Trevor Corboy, Mary Jo Hassen, Seth Kannberg, Garth McDorman, Jordan Penrose, Beth Scheckelhoff, Mike Sunderman, Kyle Verhoff, Jacob Winters, Andy Michel, Kelley Tilmon

    It is our 7th week of monitoring moth pests in Ohio, and this week we will no longer be reporting on BCW and AMW because we are switching gears to start monitoring for the corn earworm (CEW) and Western bean cutworm (WBC). To monitor these pests, we will be using green bucket traps (similar to the traps we used for BCW and AMW). These pests are monitored starting the week of June 1st and will continue through the week of August 4th for WBC and August 18th for CEW. For our first report, we saw low numbers of CEW and no WBC.

  3. Statewide Slug Monitoring Project – Update # 4

    Author(s): Trevor Mullen, Rosalind Holt-Frank, Evan Hodkinson, Amy Raudenbush, John Barker, Nic Baumer, Amanda Barnum, Amanda Bennett, Pressley Buurma, Ken Ford, Seth Kannberg, Dean Kreager, Alan Leininger, Clifton Martin, CCA, Kendra Rose, Jocelyn Ruble, Clint Schroeder, Ryan Slaughter, Jacob Winters, Tracy Winters, Ted Wiseman, Kelley Tilmon

    Our fourth slug report covers monitoring from June 2nd to June 8th. During this time, we had 18 counties monitoring a total of 143 shingle traps. Because of the rain and cold temperatures, many fields have not been planted, and our slug numbers are low compared to last year. Our highest slug average over the past week was 5.8, which was an outlier from the statewide average of 0.8 slugs per trap.

  4. June Considerations When Using the Prevented Planting Option

    Author(s): Eric Richer, CCA, Dr. Carl Zulauf, Aaron Wilson

    Note: This is a revised, re-post of an article originally written for www.ohioagmanager.osu.edu on May 29, 2025.

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