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
August 5 - August 12
Editor:

HAS COOL WEATHER HURT CORN YIELD POTENTIAL?

Author: Peter Thomison

Have recent below average temperatures adversely affected corn growth and yield potential? No, corn actually yields best with moderate temperatures (and adequate soil moisture). Temperatures that occur in Ohio in July and August (especially at night) are often warmer than optimum for corn.
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AUGUST WEATHER FORECAST

Author:

Not much has changed in the outlooks for the rest of summer into autumn and beyond. In June, temperatures were about 1F above normal while in July temperatures were about -3F to -5F leading to an overall cooler than normal summer as forecast.
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WHEN WILL WESTERN BEAN CUTWORM FLIGHT BE OVER?

Author: Andy Michel

As predicted, we saw a slight decrease in the number of western bean cutworms caught in our monitoring network.
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2014 OHIO WHEAT PERFORMANCE RESULTS AVAILABLE

Authors: Laura Lindsey, Rich Minyo

Results of the 2014 wheat performance evaluation are available at:  http://www.oardc.ohio-state.edu/wheattrials/.  Currently, report text is unavailable.  However, tables with yield and agronomic characteristics are available online.
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CORN EAR ROTS: How to Tell Them Apart and Know the Risk

Author: Pierce Paul

Ear rots or molds are usually most problematic when cool, wet conditions occur during silking and early grain development, when the ears are most susceptible to fungal infection.
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HAIL DAMAGE TO LATE PLANTED CORN

Author: Peter Thomison

The impact of hail damage is largely dependent on corn’s stage of development.  Hail affects yield primarily by reducing stands and defoliating plants. Most of the hail damage results from defoliation.
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HAIL DAMAGE TO SOYBEAN

Authors: Laura Lindsey, Grace Bluck, Harold Watters, CPAg/CCA, Mark Badertscher

On July 27, Hardin County experienced hail that damaged soybean at the R3 growth stage (beginning pod).  The R1 (beginning bloom) to R5 (beginning seed fill) stages are the most sensitive to defoliation.  At 50% defoliation when soybeans are at the R3 growth stage, we expect a 9-18% reduction in

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SW OH CORN GROWERS & FAYETTE CO. AGRONOMY COMMITTEE FIELD DAY

Author: Adam Shepard

The Southwest Ohio Corn Growers Association & Fayette County Agronomy Committee’s annual field day and test plot demonstrations will take place on Tuesday, August 12, 2014.  The field day will be held from 9:30 a.m. to 3 p.m.
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SOYBEAN DISEASE & INSECT FIELD NIGHT

Author: David Marrison

Assessing soybean diseases and insect pressure can be difficult without proper training and experience.
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UNWANTED PESTICIDE COLLECTION DATES AND LOCATIONS

Authors: , Adam Shepard,

The Ohio Department of Agriculture (ODA) is sponsoring three farm pesticide collection dates during August and September.  The pesticide collection and disposal service is free of charge, but only farm chemicals will be accepted.
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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
Bruce Clevenger, CCA
Field Specialist, Farm Management
Sam Custer
Educator, Agriculture and Natural Resources
Nathan Douridas, CCA
Farm Science Review Farm Manager
Jason Hartschuh, CCA
Field Specialist, Dairy & Precision Livestock
Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems
Sarah Noggle
Educator, Agriculture and Natural Resources
Les Ober, CCA
Educator, Agriculture and Natural Resources
Eric Richer, CCA
Field Specialist, Farm Management
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 cfaesdiversity.osu.edu. For an accessible format of this publication, visit cfaes.osu.edu/accessibility.
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