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C.O.R.N Newsletter 2009-24
     July 28, 2009 - August 4, 2009


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SmartStax Corn Gets Approval
by Ron Hammond, Peter Thomison, Mark Loux, Andy Michel, Bruce Eisley

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Monsanto and Dow AgroSciences announced on July 20 that they have received registration approval from the U.S. Environmental Protection Agency (EPA) and are on track to commercialize SmartStax corn hybrids in 2010. This approval, or authorization, was also received in Canada. SmartStax hybrids contain eight transgenic traits - three for below ground insect control; three for above ground insect control, and two providing different types of herbicide resistance. The hybrids will express the following insecticidal proteins: Cry1F and Cry1A.105+Cry2Ab2 for European corn borer, black cutworm, fall armyworm, and western bean cutworm control, and Cry3Bb1 and Cry34/35Ab1 for corn rootworm control. SmartStax hybrids will also provide herbicide tolerance to glyphosate and glufosinate with the addition of the Roundup Ready 2 and Liberty Link genes. The approval will allow growers in the US Corn Belt who use the hybrids to reduce refuge size from 20% to 5%. The companies indicated they intend to introduce SmartStax hybrids across 3 to 4 million acres in 2010. Whether any will be available in Ohio is unknown at this time.

Readers can subscribe electronically to this newsletter by signing up at http://agcrops.osu.edu/services/email.html. E-mail labarge.1@osu.edu if you have problems subscribing or no longer wish to receive this newsletter.

C.O.R.N. is a summary of crop observations, related information, and appropriate recommendations for Ohio Crop Producers and Industry. C.O.R.N. is produced by the Ohio State University Extension Agronomy Team, State Specialists at The Ohio State University and Ohio Agricultural Research and Development Center. C.O.R.N. Questions are directed to State Specialists, Extension Associates, and Agents associated with Ohio State University Extension and the Ohio Agricultural Research and Development Center at The Ohio State University.


Information presented above and where trade names are used, they are supplied with the understanding that no discrimination is intended and no endorsement 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.

All educational programs conducted by Ohio State University Extension are available to clientele on a nondiscriminatory basis without regard to race, color, creed, religion, sexual orientation, national origin, gender, age, disability or Vietnam-era veteran status.

Issued in furtherance of Cooperative Extension work, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, Keith L. Smith, Director, Ohio State University Extension.

TDD # 1 (800) 589-8292 (Ohio only) or (614) 292-1868

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