Weed Science Society Backs EPA’s New Herbicide Registrations

WSSA president Ian Burke praised the agency’s Office of Pesticide Programs for maintaining a science-based approach to the approval process. According to Burke, timely access to these technologies remains critical for producers struggling with herbicide-resistant weeds like Palmer amaranth. The organization emphasizes that these tools, when used according to EPA-approved labels, support sustainable and efficient farming practices across the country.

The regulatory update includes a mix of final rules and public comment periods for six compounds: diflufenican, epyrifenacil, florpyrauxifen-benzyl, isoxaflutole, topramezone, and trifludimoxazin. Trifludimoxazin, a systemic Group 14 herbicide, is particularly noted for its ability to target PPO-resistant weeds in corn, cereals, and soybeans.

These registrations align with a broader federal mandate following an Executive Order aimed at promoting regenerative agriculture and farm resilience. John Byrd, the WSSA’s EPA liaison, noted that the administration’s focus on streamlining regulatory reviews helps farmers adopt practices such as cover cropping, which is essential for long-term soil health. Science Policy Chair Stanley Culpepper added that these advancements provide the diversity needed for effective weed management programs, ultimately ensuring a stable supply of food, feed, and fuel.