CORN Newsletter

Corn Newsletter June 4, 2019 – June 10, 2019
Editor: Sarah Noggle

Average Fall Freeze Dates for Corn Considerations

Authors: Aaron Wilson, Sam Custer

In last week’s C.O.R.N.

Using the Corn Growing Degree Day Decision Support Tool to select appropriate hybrid maturities for June

Authors: Allen Geyer, Peter Thomison

The Corn Growing Degree Day decision support tool allows one to choose any Corn Belt county, enter the planting date and hybrid maturity, and generate a graph that shows projected GDD accumulations thro

Switching hybrid maturities for June planting dates

Authors: Alexander Lindsey, Rich Minyo, Allen Geyer, Peter Thomison

Farmers who still anticipate planting corn for grain production should review their hybrid maturities to minimize the risk of corn not maturing safely prior to a killing fall freeze.

Cereal Leaf Beetles in Wheat

Authors: Andy Michel, Kelley Tilmon

Populations of cereal leaf beetle are increasing in Ohio.  Although adults can feed on wheat, the larvae do most of the damage.  These larvae are small, gray and moist, and are covered with a substance resembling bird droppings.  Damaged wheat appears “frosted” as the cereal leaf beetle feeds and

Insecticidal Seed Treatments in Late-Planted Crops

Authors: Kelley Tilmon, Andy Michel

Many producers are planting late this year due to continued wet weather and may be wondering how insecticidal seed treatments should factor into their planting decisions.  While individual situations vary, here are some rules of thumb to consider.

Fungicide for Scab Control: Late Application and Rain-fastness

Author: Pierce Paul

Most of the wheat fields in the northern half of the state reached anthesis last week. The remaining fields will reach this critical growth stage during this week.

Agronomic Field Day June 20

Author: Alan Sundermeier, CCA

The Northwest Ag Research Station will be hosting a field day on June 20  at 9 am emphasizing “Lake Friendly Farming Research”.   Topics include Soil Drainage research, precision fertilizer placement, ultra-early corn, manure nutrient balancing, and soil health.  Management of prevented planting

Upcoming Events

Cover Crop Workshop
Lake Friendly Farming Research-Agronomy Day
Northwest Branch Field Day
West Ohio Precision Ag Field Day
CLIMATE SMART: Farming with Weather Extremes
Percision Ag Day: Sprayer Technology
About C.O.R.N. NewsletterC.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
Hardin County
Lee Beers, CCA
Trumbull County
Amanda Bennett
Miami County
Bruce Clevenger, CCA
Defiance County
Steve Culman
State Specialist, Soil Fertility
Sam Custer
Darke County
Wayne Dellinger
Union County
Anne Dorrance
State Specialist, Soybean Diseases
Amanda Douridas
Champaign County
Ken Ford
Fayette County
Elizabeth Hawkins
Field Specialist, Agronomic Systems
Stephanie Karhoff
Williams County
Dean Kreager
Licking County
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Rory Lewandowski, CCA
Wayne County
Laura Lindsey
State Specialist, Soybean and Small Grains
Mark Loux
State Specialist, Weed Science
David Marrison Andy Michel
State Specialist, Entomology
Rich Minyo Les Ober, CCA
Geauga County
Pierce Paul
State Specialist, Corn and Wheat Diseases
Eric Richer, CCA
Fulton County
Dennis Riethman
Mercer County
Garth Ruff
Henry County
Beth Scheckelhoff
Putnam County
Jeff Stachler
Auglaize County
Alan Sundermeier, CCA
Wood County
Peter Thomison
State Specialist, Corn Production
Kelley Tilmon
State Specialist, Field Crop Entomology
Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems
Aaron Wilson
Byrd Polar & Climate Research Center
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, For an accessible format of this publication, visit

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