Editor's note: Iowa State University Extension weed specialist Bob Hartzler summarizes the high points of the recent reregistration of over-the-top dicamba products and the new rules that come with the new five-year labels. It is by no means all...
The U.S. Environmental Protection Agency recently approved registrations for two dicamba products for another five years and extended the registration of another dicamba product.
All three registrations include new control measures to ensure these products can be used effectively while...
• By Larry Steckel •
Has Palmer amaranth evolved dicamba resistance in Tennessee? Results from some of the greenhouse experiments this winter and spring as well as in field research this growing season would suggest that our state now has...
UPDATED — BASF, Bayer and Corteva Agriscience filed separate petitions July 20 with the U.S. Court of Appeals for the Ninth Circuit requesting a rehearing of its June 3 decision. The court's ruling vacated Environmental Protection Agency registrations for...
• By Clay Perkins •
Questions continue to be asked on how to best manage junglerice, barnyardgrass and goosegrass in cotton and soybean.
Research earlier this spring looking at grass control after an initial glyphosate + dicamba application showed that if...
UPDATED — The U.S. Court of Appeals for the Ninth District has backed the Environmental Protection Agency's decision to allow continued use of three dicamba products until July 31. In rejecting an emergency motion brought by environmental groups, the...
UPDATED — BASF and Corteva Agriscience have filed emergency motions to intervene following the decision by the U.S. Court of Appeals for the Ninth Circuit to vacate federal registrations of three dicamba-based herbicides.
If approved, the motions would allow the...
The same environmental groups that successfully filed a suit in the Ninth Circuit Court of Appeals to vacate registrations for three dicamba products have since asked the court to find the Environmental Protection Agency administrator in contempt.
They filed an...
• By Larry Steckel •
As most know by now, on June 3 the U.S. Court of Appeals for the Ninth Circuit vacated the labels for XtendiMax, FeXapan and Engenia. The question now is how do we proceed from here...
Alabama producers with dicamba-tolerant crops in the ground are struggling to come to terms with a constantly changing situation surrounding a California Circuit Court ruling. California’s Ninth Circuit Court of Appeals issued a dicamba ban effective immediately for XtendiMax,...
The U.S. Environmental Protection Agency has issued a cancellation order for three low-volatility dicamba formulations that is intended to clarify how growers and applicators may use existing stocks of the products.
The directive applies to XtendiMax with Vapor Grip Technology...
The Louisiana Farm Bureau Federation, along with seven other organizations representing farmers and ranchers, has asked the U.S. Environmental Protection Agency to allow producers to use the dicamba-based products they have on hand despite a ruling by the Ninth...
The U.S. Court of Appeals for the Ninth Circuit in San Francisco vacated current U.S. registrations for three low-volatility dicamba products on June 3.
At least three state departments of agriculture have said they will continue to allow dicamba applications...
• By Larry Steckel •
In 2019, we ran calls on about 40 fields where producers were disappointed with their Palmer amaranth control from applications of Engenia or XtendiMax. We collected Palmer amaranth seed last fall from 22 of these...
• By Larry Steckel •
Rain, rain, rain! We are behind the burndown pace of most Tennessee springs where at least some would have burndown applications applied by this time. This has resulted in a flurry of calls on options.
The...
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