The Environmental Protection Agency (EPA) last week issued seven-year registrations for En­­list Duo and Enlist One herbicides with new control measures to protect non-target plants and animals. Registrations for both products were set to expire this month if the agency didn’t renew them. 

The Enlist weed control system offers multiple herbicide modes of action to control tough weeds and is centered around 2,4-D choline with Colex-D technology, which provides reduced volatility and potential for off-target movement and improved handling characteristics. The registrations allow farmers to...