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EPA Pulls Enlist Duo License

From DTN/The Progressive Farmer

In October 2014, EPA approved Enlist Duo for corn and soybeans in Illinois, Indiana, Iowa, Ohio, South Dakota and Wisconsin. EPA then later allowed the herbicide to be used in Arkansas, Kansas, Louisiana, Minnesota, Missouri, Mississippi, Nebraska, North Dakota and Oklahoma.

EPA stated it is making that decision based on information Dow filed at the U.S. Patent Office on the product that EPA scientists did not know about regarding the “synergistic effects” between glyphosate and 2,4-D, the two herbicides combined to create Enlist Duo.

The filing was posted in a Ninth Circuit Court of Appeals case filed by the Natural Resources Defense Council and the Center for Food Safety against Dow AgroSciences and EPA over the regulatory approval of Enlist Duo.

In the case filing, EPA effectively agreed with the environmental groups to remand the case back to the district court and to vacate its own registration decision on Enlist Duo until EPA officials better understand the possible environmental impacts of the two herbicides.

EPA states that part of the registration for Enlist Duo requires a 30-foot downwind, in-field buffer strip to separate sensitive areas from fields sprayed by Enlist Duo. EPA stated in the court filing Tuesday that the new details about Enlist Duo required the agency to “address the potential synergistic effects of Enlist Duo’s two active ingredients.”

In October 2014, EPA approved Enlist Duo for corn and soybeans in Illinois, Indiana, Iowa, Ohio, South Dakota and Wisconsin. EPA then later allowed the herbicide to be used in Arkansas, Kansas, Louisiana, Minnesota, Missouri, Mississippi, Nebraska, North Dakota and Oklahoma.

DTN is seeking comment from Dow AgroSciences and EPA on the agency’s decision.

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