Dicamba Training: It’s Required

States that may require more specific training include (but are not limited to):





North Carolina





EPA tweaked the spray requirements for these three herbicides slightly for 2021. Things like wind speed, sprayer speed and time-of-day limitation and many other requirements remain as written in the 2018 labels. But here are some changes to watch for during the 2021 training sessions:

— The required downwind buffer is increased from 110 feet to 240 feet, and up to 310 feet in areas where endangered species are located. There are new areas with endangered species requirements and some counties have been removed from the list. Check with your state.

— Applicators must use (and document their use of) available pH buffering agents to lower the volatility of dicamba tank mixes. In some cases, drift-reduction agents are also required. Those agents are listed on the manufacturer’s websites.

— The use of hooded sprayers during application may reduce certain buffer requirements in soybean fields only.

— With the exception of some states, all three herbicides now require a nation-wide June 30 cutoff date for use in soybeans and a July 30 cutoff date for use in cotton, regardless of growth stage. Keep watching state regulations though — Illinois, for example, has made moves to set June 20 as a cutoff and add a restriction against applying if the forecast or actual temperature in the field is 85 degrees Fahrenheit or more on the intended day of application. Indiana is also exploring a June 20 date. Arkansas has set a May 25 cutoff date. And some states, such as Texas and Oklahoma, have indicated there are plans to extend those cutoff dates to accommodate wide local planting windows for soybeans and cotton.

Find a link to the dicamba discussions regarding reregistration and new labels is here: https://beta.regulations.gov/…

For a blog post regarding Enlist product training opportunities:


Pamela Smith can be reached at pamela.smith@dtn.com

Follow her on Twitter @PamSmithDTN

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