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
July 20 - 26
Editor: Stephanie Karhoff, CCA

Weather Update: A Wet Start to Summer

Author: Aaron Wilson

A few months ago, there was some concern that if May did not produce decent rainfall, we would be heading toward a hot, dry summer.
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Foliar Diseases and Fungicide Decisions in Corn

Author: Pierce Paul

This July has been one of the wettest on record, and with the extra moisture, comes concerns about diseases. Gray Leaf Spot (GLS) and, to a lesser extent, northern corn leaf blight (NCLB), have already been reported in some fields, well before tasseling in some cases.
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Rainy Weather and Wheat Straw Quality

Author: Pierce Paul

Not only has rain delayed the harvest of some fields for grain, it has also delayed the baling of straw in several fields that have been harvested.
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How to Distinguish Flooding Injury from Phytophthora or Pythium Root Rot in Soybeans

Author: Anne Dorrance

Flooding injury occurs when soils are saturated for several days and anoxia develops.  The roots are killed, as are the nodules that are home to the nitrogen fixing bacteria. The field has an “interesting’ smell but the key symptoms of this injury are on the roots. Dig up a few plants – if it is

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To Spray or Not to Spray…Foliar Products at R3

Author: Laura Lindsey

The R3 soybean growth stage is a common time to consider foliar application of fungicide, insecticide, and fertilizer. Before we jump into the potential yield outcomes of these products, let’s define the R3 growth stage.
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July 22, 29, and August 5th Webinars Focus on Cover Crops

Author:

The next three sessions of CORN Live webinars will focus on managing cover crop systems. Sessions will be on Thursday mornings from 8:00-9:00am with 1 hour of nutrient management CCA CEUs offered for attending each session. Topics include:
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Fungicide Efficacy for Control of Corn Diseases

Authors: Pierce Paul, Stephanie Karhoff, CCA

Many corn fields in Ohio are rapidly approaching silking (R1), and foliar diseases such as Gray leaf spot have been observed where the environment has been conducive to disease development, prompting growers to consider fungicide applications.
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Western Bean Cutworm Peaking in Ohio

Authors: Amy Raudenbush, Suranga Basnagala , Aaron Wilson, Olivia Lang, Kyle Akred, , Mark Badertscher, , Frank Becker, Lee Beers, CCA, Bruce Clevenger, CCA, Tom Dehaas, Taylor Dill, Nick Eckel, Allen Gahler, Jamie Hampton, Jason Hartschuh, CCA, Andrew Holden, James Jasinski, Stephanie Karhoff, CCA, Alan Leininger, Ed Lentz, CCA, Cecilia Lokai-Minnich, David Marrison, Jess McWatters, Sarah Noggle, Les Ober, CCA, Maggie Pollard, Eric Richer, CCA, Beth Scheckelhoff, Clint Schroeder, Mike Sunderman, Curtis Young, CCA, Chris Zoller, Andy Michel, Kelley Tilmon

Western bean cutworm (WBC) numbers for the week ending July 18 continue to increase across the state.
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August 13
Northwest Ohio Soil Health Tour
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
Lee Beers, CCA
Educator, Agriculture and Natural Resources
Ann Chanon
Educator, Agriculture and Natural Resources
Bruce Clevenger, CCA
Field Specialist, Farm Management
Steve Culman
State Specialist, Soil Fertility
Wayne Dellinger, CCA
Educator, Agriculture and Natural Resources
Taylor Dill
Graduate Student
Amanda Douridas, CCA
Educator, Agriculture and Natural Resources
Nick Eckel
Educator, Agriculture and Natural Resources
Mike Estadt
Educator, Agriculture and Natural Resources
Allen Gahler
Educator, Agriculture and Natural Resources
Mike Gastier, CCA
Educator, Agriculture and Natural Resources
Jamie Hampton
Educator, Agriculture and Natural Resources
Jason Hartschuh, CCA
Field Specialist, Dairy & Precision Livestock
Elizabeth Hawkins
Field Specialist, Agronomic Systems
Andrew Holden
Resigned Educator, Agriculture and Natural Resources
Dean Kreager
Educator, Agriculture and Natural Resources
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Ed Lentz, CCA
Educator, Agriculture and Natural Resources
Laura Lindsey
State Specialist, Soybean and Small Grains
Mark Loux
State Specialist, Weed Science
David Marrison
Educator, Agriculture and Natural Resources
Andy Michel
State Specialist, Entomology
Gigi Neal
Educator, Agriculture and Natural Resources
Sarah Noggle
Educator, Agriculture and Natural Resources
Celeste Nye
Tony Nye
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Pierce Paul
State Specialist, Corn and Wheat Diseases
Camilla Richards
Eric Richer, CCA
Field Specialist, Farm Management
Joseph Ringler
Extension Educator, Agriculture and Natural Resources
Beth Scheckelhoff
Educator, Agriculture and Natural Resources
Clint Schroeder
Program Manager
Barry Ward
Program Leader
Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems
Curtis Young, CCA
Educator, Agriculture and Natural Resources
Chris Zoller
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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