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

06/20	Lake Friendly Farming Research-Agronomy Day

06/20	Northwest Branch Field Day

07/16	West Ohio Precision Ag Field Day

07/18	CLIMATE SMART: Farming with Weather Extremes

08/27	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.

CONTRIBUTORS:
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, visitcfaesdiversity.osu.edu. For an accessible format of this publication, visit cfaes.osu.edu/accessibility.

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