The Ohio State University College of Food, Agricultural, and Environmental Sciences
COLLEGE OF FOOD, AGRICULTURAL, AND ENVIRONMENTAL SCIENCES
C.O.R.N. Newsletter
CFAES
OARDC
OSU Extension
Ohio State ATI
April 30, 2024 - May 6, 2024
Editor: Rob Leeds

Spring 2024 Weather & Soil Conditions: Update 5

Author: Aaron Wilson

Soil Temperatures and Moisture

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Alfalfa Weevil is Active Across Ohio

Authors: Kyle Verhoff, Aaron Wilson, Kelley Tilmon, Andy Michel, Maggie Lewis

Despite the cold temperatures experienced across the state this past week, alfalfa weevil larvae have hit peak feeding activity in nearly every part of the state.
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Battle for the Belt: Season 2 Episode 5- Freeze Injury to Corn and Soybean

Authors: Taylor Dill, Osler Ortez, Laura Lindsey

Ohio experienced overnight cold temperatures between April 21st and April 22nd . Early planted corn and soybeans were subjected to frost damage with air temperatures lingering under 30ºF for about five hours, with the low reaching 28ºF.
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Statewide Alfalfa Weevil Population Update #2

Authors: Kyle Verhoff, Nic Baumer, Ryan McMichael, Beth Scheckelhoff

Alfalfa weevil has hit peak activity in terms of growing degree days (GDD) accumulated, for nearly the entire state. From now until after first cutting, alfalfa weevil will eat away at forage quality and quantity.
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Same ol’ Farm Drainage Research? No, Think Future.

Authors: Bruce Clevenger, CCA, Vinayak Shedekar, Nick Eckel

Climate projections by climatologists suggest that the Midwest will experience wetter and warmer winters and springs and hotter and drier summers.
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Lep Monitoring Network – Black Cutworm and True Armyworm Update # 2

Authors: Amy Raudenbush, Mark Badertscher, Lee Beers, CCA, Trevor Corboy, Dirk Dempsey, Mary Jo Hassen, Alan Leininger, Clifton Martin, CCA, Beth Scheckelhoff, Kyle Verhoff, Brooks Warner, Jacob Winters, Curtis Young, CCA, Andy Michel, Kelley Tilmon

We are in the second week of monitoring for black cutworm (BCW) and true armyworm (AMW) moths in Ohio. Both pests are being monitored using wing traps with a pheromone lure located at the edge of corn fields.
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About C.O.R.N. Newsletter

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.

Glen Arnold, CCA
Field Specialist, Manure Nutrient Management
Mark Badertscher
Educator, Agriculture and Natural Resources
John Barker
Educator, Agriculture and Natural Resources
Nic Baumer
Educator, Agriculture and Natural Resources
Lee Beers, CCA
Educator, Agriculture and Natural Resources
Amanda Bennett
Educator, Agriculture and Natural Resources
Caden Buschur
Educator, Agriculture and Natural Resources
Trevor Corboy
Educator, Agriculture and Natural Resources
Grant Davis, CCA
Educator, Agriculture and Natural Resources
Wayne Dellinger, CCA
Educator, Agriculture and Natural Resources
Amanda Douridas, CCA
Educator, Agriculture and Natural Resources
Alyssa Essman
State Specialist, Weed Science
Mike Estadt
Educator, Agriculture and Natural Resources
Ken Ford
Educator, Agriculture and Natural Resources
Allen Gahler
Educator, Agriculture and Natural Resources
Mike Gastier, CCA
Educator, Agriculture and Natural Resources
Elizabeth Hawkins
Field Specialist, Agronomic Systems
Seth Kannberg
Educator, Agriculture and Natural Resources
Stephanie Karhoff, CCA
Field Specialist, Agronomic Systems
Dean Kreager
Educator, Agriculture and Natural Resources
Laura Lindsey
State Specialist, Soybean and Small Grains
Kendall Lovejoy
Educator, Agriculture and Natural Resources
Clifton Martin, CCA
Educator, Agriculture and Natural Resources
Ryan McMichael
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Osler Ortez
State Specialist, Corn & Emerging Crops
Jordan Penrose
Educator, Agriculture and Natural Resources
Rylee Kay Puthoff
Educator, Agriculture and Natural Resources
Ricardo Ribeiro
Visiting Scholar, Federal University of Parana (Brazil)
Kendra Rose
Extension Educator, Agriculture and Natural Resources
Kyle Verhoff
Educator, Agriculture and Natural Resources
Jacob Winters
Educator, Agriculture and Natural Resources
Kayla Wyse
Educator, Agriculture and Natural Resources
Curtis Young, CCA
Educator, Agriculture and Natural Resources

The information presented here, along with any trade names used, is supplied with the understanding that no discrimination is intended and no endorsement is made by Ohio State University Extension is implied. Although every attempt is made to produce information that is complete, timely, and accurate, the pesticide user bears responsibility of consulting the pesticide label and adhering to those directions.

CFAES provides research and related educational programs to clientele on a nondiscriminatory basis. For more information, visit cfaesdiversity.osu.edu. For an accessible format of this publication, visit cfaes.osu.edu/accessibility.
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