CORN Newsletter

Corn Newsletter June 18, 2019 to June 24, 2019
Editor: Sarah Noggle

Mid to Late June Prevented Planting Decisions

Authors: Ben Brown, Sarah Noggle, Barry Ward

Consistent rains across Ohio and the Corn Belt continue to delay planting progress as the June 17USDA Planting Progress report showed that 68% of intended corn acres and 50% of intended soybean acres have been planted in Ohio.

More of the Same

Author: Jim Noel

Wet conditions into July will impact additional planting but also harvesting crops. This includes wheat and hay. There is not much change from last week’s thinking. Overall, we expect above normal rainfall for the rest of June and likely into parts of July.

Don’t leave your fields naked if taking the prevent plant option on corn and soybean ground – Farms underwater won’t have a choice but farmers still have options.

Authors: Sarah Noggle, Alan Sundermeier, CCA

It’s been a rough spring for much of Ohio and the counties that have received the most rainfall typically have less than 20% of the county planted. Many unplanted acres remain across the Corn Belt and in Ohio. The decision to plant or not to plant still lingers in a farmer’s mind.

Corn of Many Colors

Authors: Alexander Lindsey, Steve Culman, Peter Thomison

As corn is emerging and beginning to grow, we are again seeing many colors present. In any given field, corn can appear dark green in sections, while other sections are yellow and occasionally purple.

Is your corn leaning?

Author: Peter Thomison

I have received several reports of corn leaning because of the high winds we have experienced recently along with the heavy rains. It is not uncommon for young plants to exhibit “lodging” as a result of strong winds.

How to store treated seed

Author: Anne Dorrance

Let me say upfront that much of the information in this piece is based on a study published (Crop Science 53:1086-1095 in 2013) by Dr. Susan Goggi’s lab and others at Iowa State University, Dept. of Agronomy & Seed Science Center.

Is there potential for early season frogeye?

Author: Anne Dorrance

Several pictures last week and over the weekend of leaves with tan centers and purple to burgundy ring around the outside.  These are symptoms of both some types of herbicide injury but frogeye leaf spot as well.  With frogeye, conidia will form on the underside of the lesion.  One of the ways to

Evaluating the Effects of NZone Max on Corn Nitrogen Efficiency in Ohio

Author: Steve Culman

NZone MaxTM is a commercial product by AgExplore International, LLC® (Parma, MO) designed to improve N efficiency by maintaining N in the ammonium form (NH4), slowing the conversion to nitrate (NO3).

Potato Leafhopper Scouting in Alfalfa and Red Clover

Authors: Kelley Tilmon, Andy Michel, Mark Sulc

Some alfalfa fields have been harvested for the first time and now is the time to scout the regrowth in those fields for potato leafhoppers (PLH).  At our Western Agricultural Research Center near South Charleston, OH the PLH numbers last week in early alfalfa regrowth were generally about half t

Don’t Delay Wheat Harvest (Well…If the weather cooperates)

Authors: Laura Lindsey, Pierce Paul

Wheat harvest date impacts both grain yield and quality. Delaying wheat harvest puts the crop at risk for increased disease, vomitoxin contamination, lodging, sprouting, and harvest loss.

New Podcast Episodes

Author: Amanda Douridas

The Agronomy and Farm Management Podcast has been releasing new episodes every other week since May 2018 and is set to release its 29th episode next Wednesday.

Upcoming Events

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
Steve Culman
State Specialist, Soil Fertility
Sam Custer
Darke County
Wayne Dellinger
Union County
Anne Dorrance
State Specialist, Soybean Diseases
Amanda Douridas
Champaign County
David Dugan
Adams County
Mike Gastier, CCA
Huron County
Elizabeth Hawkins
Field Specialist, Agronomic Systems
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
James Morris
Brown County
Jim Noel
National Weather Service
Tony Nye
Clinton County
Les Ober, CCA
Geauga County
Pierce Paul
State Specialist, Corn and Wheat Diseases
Eric Richer, CCA
Fulton County
Garth Ruff
Henry County
Beth Scheckelhoff
Putnam County
Jeff Stachler
Auglaize County
Mark Sulc
State Specialist, Forage Production
Alan Sundermeier, CCA
Wood County
Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems
Ted Wiseman
Perry County
Chris Zoller
Tuscarawas County
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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