This fall, the Environmental Protection Agency (EPA) announced an agreement with Monsanto, BASF and DuPont to change dicamba registration and labeling beginning with the 2018 growing season. EPA reports that the agreement was a voluntary measure taken by the manufacturers to minimize the potential of dicamba drift from “over the top” applications on genetically engineered soybeans and cotton, a recurring problem that has led to a host of regulatory and litigation issues across the Midwest and South. The upcoming changes might alleviate dicamba drift issues, but they also raise new concerns for farmers who will have more responsibility for dicamba applications.
The following registration and labeling changes for dicamba use on GE soybeans and cotton will occur in 2018 as a result of the agreement:
▪ Dicamba products will be classified as “restricted use” products for over the top applications. Only those who are certified through the state pesticide certification program or operating under the supervision of a certified applicator may apply the product. Training for pesticide certification will now include information specific to dicamba use and application, and applicators will be required to maintain records on the use of dicamba products.
▪ The maximum wind speed for applications will reduce from 15 mph to 10 miles per hour.
▪ There will also be greater restrictions on the times during the day when applications can occur, but details are not yet available on those restrictions.
▪ Tank clean-out instructions for the prevention of cross contamination will be on the label.
▪ The label will also include language that will heighten the awareness of application risk to sensitive crops.
Farmers should note that the additional restrictions and information on dicamba labels shifts more responsibility for the product onto the applicator. An applicator must take special care to follow the additional label instructions, as going “off label” subjects an applicator to higher risk. If drift occurs because of the failure to follow the label, the applicator is likely to be liable to the injured party for resulting harm and may also face civil penalties. Producers should take care to assess the new dicamba labels closely when the manufacturers issue the revised labels.