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Enlist Duo Ruling: Ninth Circuit Court Ruling Upholds Enlist Duo Registration

The U.S. Court of Appeals for the Ninth Circuit today denied a petition to vacate the registration of Corteva Agriscience's Enlist Duo herbicide, a 2,4-D-choline and glyphosate premix designed for use over 2,4-D-tolerant Enlist crops.
The court ruled that EPA only needed to fix one oversight with the Enlist Duo registration regarding the herbicide's risk to monarch butterflies. The herbicide's registration will remain intact in the meantime.
The decision in Enlist's favor will come as a relief to many in the agrichemical industry, which is still reeling from a recent Ninth Circuit court decision vacating three dicamba herbicides, based on a similar lawsuit from many of the same plaintiffs as this Enlist lawsuit.
The legal challenge against Enlist Duo was initiated in 2017 by a large group of environmental groups, including The Center for Biological Diversity, the National Family Farm Coalition, the Center for Food Safety, Beyond Pesticides, Pesticide Action Network and the Natural Resources Defense Council.
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