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Troubleshooting Corn Ear Abnormalities

Peter Thomison, Allen Geyer, David Lohnes

abnormal ear pic

Fig. 1. Corn ears exhibiting “tip dieback”, S. Charleston, OH 2014.”


When checking corn fields prior to and during harvest it’s not uncommon to encounter abnormal corn ears such as those shown ove (Fig.1), especially when the crop has experienced stress conditions. Some of these abnormalities affect yield and grain quality adversely. We recently updated “Troubleshooting Abnormal Corn Ears” (available online at http://u.osu.edu/mastercorn/ ) to help corn growers and agricultural professionals diagnose and manage various ear and kernel anomalies and disorders.

Also available is a poster (Fig. 2) highlighting ten abnormal corn ears with distinct symptoms and causes. The purpose of the poster is to help troubleshoot various ear disorders. A reduced 11 x 14 inch version of the poster is available for online at:

http://agcrops.osu.edu/specialists/corn/specialist-announcements/AbnormalCornEarsPoster_000.pdf/view

“Abnormal Corn Ears” poster” ACE-1

Fig. 2. “Abnormal Corn Ears” poster” ACE-1

The OSU College of Food Agric. and Env. Sci. Communications & Technology section (contact information below) has 26 x 33 inch copies of the poster available for distribution. The poster is printed on plasticized coated paper for durability. Poster cost is $11.25 plus shipping.  Ask for “Abnormal Corn Ears” poster” ACE-1.

The OSU College of Food Agric. and Env. Sci. Communications & Technology section (contact information below) has 26 x 33 inch copies of the poster available for distribution. The poster is printed on plasticized coated paper for durability. Poster cost is $11.25 plus shipping.  Ask for “Abnormal Corn Ears” poster” ACE-1.
The Ohio State University.

Source : osu.edu


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