The Ohio State University College of Food, Agricultural, and Environmental Sciences
C.O.R.N. Newsletter
OSU Extension
Ohio State ATI
July 29, 2014 - August 5, 2014

Scout Corn for Western Bean Cutworm and Western Corn Rootworm

Author: Andy Michel

As we are entering tasseling and pollination for most of our corn, there are two insects that we should watch out for.  However, both need to be scouted before tank mixing an insecticide with a fungicide spray gives a good return.

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Corn Yield Prediction

Author: Peter Thomison

Two procedures that are widely used for estimating corn grain yields prior to harvest are the YIELD COMPONENT METHOD (also referred to as the "slide rule" or corn yield calculator) and the EAR WEIGHT METHOD. Each method will often produce yield estimates that are within 20 bu/ac of actual yield.

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Yield Forecasts for Corn

Author: Peter Thomison

According to the National Agricultural Statistics Service ( for the week ending 7-27-14, 69% of

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Downy Mildew and Bacterial Pustule on Soybean

Author: Anne Dorrance

During field surveys last week we found the usual culprits, Phytophthora stem rot, some brown spot and frogeye leafspot.  Two finds, downy mildew and bacterial pustule, were found in several fields.  Both are considered minor diseases as yield reductions have been minor or difficult to document. 

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PrecisionAg Big Data Conference: Managing Your Most Elusive Farm Asset is Set for August 25, 2014

Author: Greg LaBarge, CPAg/CCA

Matt Darr, Agricultural and Biosystems Engineering, Iowa State University  

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2014 Manure Science Review

Authors: , Glen Arnold, CCA

The 2014 Ohio Manure Science Review (MSR) will be held in Wayne County on August 14, hosted by Rupp Vue dairy farm near Sterling at 14636 Seville Rd.  The MSR is an educational program designed for those involved in any aspect of manure handling, management, or utilization.  The MSR consists of b

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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.

Mark Badertscher
Educator, Agriculture and Natural Resources
Sam Custer
Educator, Agriculture and Natural Resources
Nathan Douridas, CCA
Farm Science Review Farm Manager
Mike Gastier, CCA
Educator, Agriculture and Natural Resources
Mary Griffith
Educator, Agriculture and Natural Resources
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Sarah Noggle
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Pierce Paul
State Specialist, Corn and Wheat Diseases
Eric Richer, CCA
Educator, Agriculture and Natural Resources
Adam Shepard
Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems

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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