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Optimum GAT commercialization dates pushed back

Commercialization dates for Optimum GAT, an alternative glyphosate-tolerant trait with ALS herbicide tolerance being developed by DuPont and its seed company, Pioneer Hi-Bred, are being pushed back further into next decade. Here's what company officials say is happening in corn and soybeans.

DuPont and Pioneer initially planned to have controlled releases for Optimum GAT corn hybrids in 2010 and 2011 in North America. The companies are still working to commercialize the trait, but it will be sometime in the middle of next decade.

Company officials say Optimum GAT corn has excellent glyphosate and ALS herbicide tolerance efficacy. However, the trait's current version doesn't meet the company's yield standards, say company officials. That's prompting the revision for commercialization.

Optimum GAT soybeans were initially expected to be commercialized for the 2011 growing season. Now, company officials expect Optimum GAT soybeans to be commercialized two or three years later.

Company officials say the Optimum GAT trait has outstanding glyphosate and ALS herbicide tolerance efficacy and strong multi-year yield results in soybeans. However, changes in regulatory policy in key import markets and increasing complexity in managing grain stewardship is prompting the commercialization revision. Thus far, Pioneer has received regulatory approval for the trait in the United States and Canada.

Commercialization dates for Optimum GAT, an alternative glyphosate-tolerant trait with ALS herbicide tolerance being developed by DuPont and its seed company, Pioneer Hi-Bred, are being pushed back further into next decade. Here's what company officials say is happening in corn and soybeans.

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