Bayer AG has been blocked from selling an agricultural weed killer in the United States, the latest setback for a business already fighting an expensive legal battle over another product.

A three-judge panel ruled the U.S. Environmental Protection Agency (EPA) substantially understated the risks related to the use of dicamba, a chemical found in herbicides sold by Bayer and rivals that are sprayed on genetically engineered soybeans and cotton. The herbicides are known to drift away and damage other crops that are not resistant.


The court agreed, and its ruling also blocks sales of dicamba-based herbicides like BASF's Engenia and Corteva Agriscience's FeXapan.

Bayer said the ruling relates to the agency's 2018 registration decision which expires in December and the company is seeking new EPA registration for the herbicide for 2021 and beyond. The EPA said it is reviewing the court's decision and will move promptly to address its order.   Full article at this link.