EPA Eyes Emergency Use of Tetflupyrolimet Against Weeds on 646,000 Rice Acres
Published Date: 2/27/2026
Notice
Summary
The EPA is considering emergency requests from Arkansas and Missouri to use a new pesticide called tetflupyrolimet on over 646,000 acres of rice to fight tough weeds that resist other herbicides. They want your thoughts before deciding, so farmers, food makers, and pesticide companies should speak up by March 16, 2026. This could change how rice pests are controlled and impact farming costs in these states.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Emergency use request for new rice herbicide
Arkansas and Missouri asked EPA for emergency permission to use an unregistered pesticide, tetflupyrolimet (product name KEENALI HERBICIDE, 35% active), on rice to fight Barnyardgrass. They propose up to two applications of 8.6 fluid ounces per application on up to 646,000 acres (546,000 acres in Arkansas and 100,000 acres in Missouri) between March 1, 2026 and July 1, 2026; that could total 43,399 gallons of product (146,080 pounds of tetflupyrolimet). EPA is taking public comments until March 16, 2026 before deciding whether to grant the exemptions.
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