FMC wins EU approval for Isoflex herbicide to tackle resistance gap

FMC Corporation has secured regulatory approval in the European Union for Isoflex active, marking a significant step toward commercializing a new herbicide solution in a market facing tightening chemical options. The active ingredient, bixlozone, is expected to be deployed across more than 55 million hectares of cereals, corn, oilseed rape, and potatoes, with product launches anticipated from 2027 pending further crop-specific authorizations.

The approval comes amid growing concern over weed resistance and the declining availability of herbicide active ingredients in Europe. According to FMC, more than 20 herbicide actives have been withdrawn since 2019, creating a gap in effective weed management tools. Isoflex active, classified as a Group 13 herbicide by the Herbicide Resistance Action Committee, introduces a new mode of action that targets resistant grass and broadleaf weeds, particularly in cereal systems.

FMC said the EU rollout will build on prior commercialization in markets including Argentina, Australia, Brazil, and China, where Isoflex-based products have demonstrated flexibility across pre-plant, pre-emergence, and early post-emergence applications. The company continues to expand research into additional crop uses, positioning the technology as part of a broader strategy to address resistance challenges and sustain crop productivity in key agricultural regions.