Dicamba
The problem is making it difficult for farmers to know which herbicide chemistries will still work in their fields.
With the EPA reinstating labels for three over-the-top products, Nate Eitzmann explains how this returning tool fits into 2026 weed control plans—and why stewardship is more critical than ever.
While the EPA has set federal regulations for 2026 applications, some states are implementing tighter calendar deadlines and temperature cutoffs.
The decision comes with new rules and what the agency calls the strongest safeguards ever imposed on over-the-top applications.
With the outlook for high input costs and low commodity prices, the impulse for farmers is to cut their spend on products across the board for 2026. There is a more effective approach that will deliver better results and ROI, say Extension field agronomists.
With the public comment period, the agency stated it’s particularly interested in hearing how the proposed mitigation measures would be implemented by farmer stakeholders.
On February 14, the EPA issued an existing stocks order for dicamba products previously registered for over-the-top use.
With two recent announcements the EPA has approved labels for over-the-top dicamba applications (XtendiMax, Engenia and Tavium herbicides) in 2023 in Iowa, Illinois, Indiana, Iowa, Minnesota and South Dakota.