The Missouri Department of Agriculture has extended its restrictions on dicamba herbicides to products manufactured by Monsanto and DuPont. The new rules are part of the state’s effort to curb crop damage for farmers who don’t use genetically modified soybeans.
In the 2018 growing season, farmers in several counties in Missouri’s Bootheel region will not be allowed to spray Monsanto’s XtendiMax and DuPont’s FeXapan on dicamba-tolerant soybean and cotton after June 1. In the rest of the state, farmers cannot apply either product after July 15.
Pesticide applicators will only be allowed to spray the herbicides under a number of restrictions, including the completion of training with the University of Missouri Extension. The same rules were imposed on BASF’s dicamba product Engenia in mid-November.
Dicamba becomes a gas in hot weather and can drift for miles and damage sensitive crops. The chemical ruined approximately 325,000 acres of soybeans in Missouri during this year’s growing season, according to plant scientists at the University of Missouri-Columbia.
Read more: St. Louis Public Radio