Producers will need to pick up a second round of auxin training this year if they plan to use dicamba products, according to a Texas A&M AgriLife Extension Service specialist. In late October, the U.S. Environmental Protection Agency announced it will extend the registration of dicamba for two years for over-the-top weed control in dicamba-tolerant cotton and soybeans. The extended labels include changes to ensure these products continue to be used effectively and to address concerns about off-target movement, said Scott Nolte, Texas A&M AgriLife Extension Service state weed specialist, College Station. Initial label changes state only certified applicators may apply dicamba over ...