The approval of corn and soybean traits offering resistance to 2,4-D herbicide represents a significant milestone in commercialization of new biotech traits, Dow AgroSciences officials said last week.

The U.S. Department of Agri­culture (USDA) gave its approval to Dow AgroScience’s Enlist-branded corn and soybean traits last week after concluding one of the most thorough biotech reviews in ...