CORN Newsletter


June 16 – June 22


Editor: Sarah Noggle


Ohio Department of Agriculture: dicamba use in Ohio ends June 30, 2020

Author: Peggy Hall

The dicamba roller coaster ride continues today, with a statement issued by the Ohio Department of Agriculture clarifying that the use of XtendiMax, Engenia, and FeXapan dicamba-based products in Ohio will end as of June 30, 2020.  Even though the US EPA has issued an order allowing continued use

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Distribution of waterhemp and Palmer amaranth in Ohio

Author: Mark Loux

The maps that accompany this article show our current knowledge of waterhemp and Palmer amaranth distribution in Ohio.  These are based on information from a survey of OSU Extension County Educators, along with information we had from samples submitted, direct contacts, etc.  We still consider an

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Changes in status of dicamba product labels for Xtend soybeans – a recap

Author: Mark Loux

On June 3, the US 9th Circuit Court of Appeals issued a decision in a case concerning the use of dicamba on Xtend soybeans.  This decision voided the labels for XtendiMax, Engenia, and FeXapan that allows use on Xtend soybeans.  Tavium was not included in this decision, because it was not approve

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True Armyworm Infestations

Authors: Andy Michel, Curtis Young, CCA, Kelley Tilmon

We received many reports of true armyworm infestations in wheat, barley, and corn.

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Wheat Harvest Preparation: Grain Bin Edition

Author: Clint Schroeder

The 2020 Ohio wheat harvest is rapidly approaching. Now is the time to prepare for a successful harvest. Before the combine goes to the field, a key component will be to have grain handling and storage facilities adequately sanitized.

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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
Hardin County


John Barker
Knox County


Lee Beers, CCA
Trumbull County


Amanda Bennett
Miami County


Bruce Clevenger, CCA
Defiance County


Rachel Cochran
Extension Associate


Steve Culman
State Specialist, Soil Fertility


Wayne Dellinger
Union County


Anne Dorrance
State Specialist, Soybean Diseases


Amanda Douridas
Champaign County


Nick Eckel
Water Quality Associate


Mike Estadt
Pickaway County


Boden Fisher
Extension Associate


Mike Gastier, CCA
Huron County


Peggy Hall
Field Specialist, Agricultural & Resource Law


Will Hamman
Pike County


Jason Hartschuh, CCA
Crawford County


Jeffory A. Hattey


Elizabeth Hawkins
Field Specialist, Agronomic Systems


Stephanie Karhoff
Williams County


Dean Kreager
Licking County


Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems


Alan Leininger
Program Assistant


Ed Lentz, CCA
Hancock County


Rory Lewandowski, CCA
Wayne County


Mark Loux
State Specialist, Weed Science


David Marrison
Coshocton County


Clifton Martin, CCA
Muskingum County


Andy Michel
State Specialist, Entomology


Rich Minyo
Research Specialist


Brigitte Moneymaker
Extension Associate


Gigi Neal
Clermont County


Sarah Noggle
Paulding County


Les Ober, CCA
Geauga County


Pierce Paul
State Specialist, Corn and Wheat Diseases


Eric Richer, CCA
Fulton County


Dennis Riethman
Mercer County


Matthew Romanko
Extension Associate


Beth Scheckelhoff
Putnam County


Matthew Schmerge
Shelby County


Clint Schroeder
Allen County


Jeff Stachler
Auglaize County


Barry Ward
Program Leader


Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems


Hallie Williams
Seneca County


Aaron Wilson
Byrd Polar & Climate Research Center


Ted Wiseman
Perry County


Curtis Young, CCA
Van Wert 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, visit For an accessible format of this publication, visit

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