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EXTRA RULES: North Dakota is imposing additional rules for application of dicamba on soybeans in the state.

North Dakota issues final labels for 2 dicamba products

North Dakota imposes extra state training and application requirements.

The North Dakota Department of Agriculture has registered final labels for the dicamba formulations of XtendiMax by Monsanto and Engenia by BASF. The third formulation for use on soybeans, FeXapan by DuPont, is still in the registration process, but a final label will be made available once the process is complete.

As part of the registration, NDDA clarified training requirements and placed additional application requirements through the form of 24c Special Local Needs labeling.

The North Dakota-specific use protocols on the dicamba formulations of XtendiMax and Engenia are as follows and are in addition to the federal requirements:

• No applications may be made after June 30 or after the first bloom (R1 growth phase), whichever comes first.

• No applications may be made if air temperature of the field at the time of application is over 85 degrees F, or if the forecasted National Weather Service high temperature for the day exceeds 85 degrees F. North Dakota has a unique climate that is different than other soybean-producing states, according to NDDA. The application season typically has low humidity. The dry, less humid environment can significantly increase product evaporation and potential off-target movement.

• Applications of the product may only be made from one hour after sunrise to one hour before sunset.

• Applicators must maintain a speed of 12 miles per hour or less when applying products.

• Any applicator working under the supervision of a certified private applicator will also be required to complete the dicamba-specific training course before being allowed to apply the product.

• Applications must be made with a minimum of 15 gallons of spray solution per acre.

• No applications may be made using 80-degree-or-less spray nozzles.

Applicators that wish to use Xtendimax or Engenia must follow the requirements on the SLN labels. They must also have SLN labels in possession at the time of application.

“Registrants will be scheduling dicamba-specific training to ensure users are able to comply with training requirements,” says Doug Goehring, North Dakota agriculture commissioner. “We will post announcements on our website as training sessions are scheduled.”

The new protocols will only affect applications made on soybeans for XtendiMax and Engenia.

Source: NDDA

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