C.O.R.N. Newsletter: 2021-25

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. Author(s): Andy Michel, Mark Sulc, Curtis Young, CCA, Kelley Tilmon

    Potato leafhopper (PLH) adults arrived in Ohio during the last week of June and first week of July. Since then, the eggs have hatched and we are now seeing late stage nymphs and adults infesting alfalfa fields.  A few fields are showing the typical “hopperburn”, which is a triangular yellowing from the center of the leaf to the leaf margin. The more mature the crop of alfalfa is since the last cutting, the more the hopperburn symptoms will be showing.

  2. Author(s): Amy Raudenbush, Suranga Basnagala , Olivia Lang, Kyle Akred, Angela Arnold, Mark Badertscher, Jordan Beck, Frank Becker, Lee Beers, CCA, Bruce Clevenger, CCA, Tom Dehaas, Nick Eckel, Andrew Holden, James Jasinski, Stephanie Karhoff, Alan Leininger, Ed Lentz, CCA, Cecilia Lokai-Minnich, David Marrison, Jess McWatters, Sarah Noggle, Les Ober, CCA, Maggie Pollard, Eric Richer, CCA, Beth Scheckelhoff, Clint Schroeder, Mike Sunderman, Curtis Young, CCA, Chris Zoller, Andy Michel, Kelley Tilmon

    Statewide western bean cutworm (WBC) numbers declined for the week-ending August 1 resulting in an overall average of 10.2 moths per trap. Ten counties remained above scouting threshold and include Ashtabula, Defiance, Fulton, Geauga, Huron, Lake, Lorain, Paulding and Trumbull. For more information on WBC monitoring and scouting please visit the agronomic pest website: https://aginsects.osu.edu/

  3. Author(s): Mary Griffith

    Join OSU Extension online this Thursday, August 5th for a panel discussion on cover crop management. Dusty Sonnenberg, Luke VanTilburg, and Aaron Heilers will share practical experience working with cover crops and will be available to answer participants' questions about managing cover crops. The session is from 8:00-9:00am on Thursday, August 5th on Zoom. It is free to attend with one hour of nutrient management CCA CEUs offered. Register at www.go.osu.edu/cornlive.

  4. Author(s): Chris Zoller

    The Tuscarawas County office of Ohio State University Extension will sponsor an Agronomy Update on Thursday, August 26, 1pm to 4pm at Durbin Farms.  The farm is located at 4227 Durbin Road SE, New Philadelphia, Ohio 44663.

    Many agricultural products continue to be in short supply, and this shortage may continue.  What will these supply shortages mean for harvest?  Will the shortages continue into planting season next year? Dr. John Fulton, OSU Food, Agricultural, and Biological Engineering, will discuss the situation and provide management recommendations.

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