Understanding the Cause of Uniform Dicamba Symptomology in Non-Dicamba Soybeans
You’ve no doubt heard a lot of talk about instances of widespread injury to non-dicamba-tolerant soybeans. Many farmers have reported fields with distinct dicamba symptomology, uniformly visible across fields. Weed scientists and university extensions have been investigating this issue and looking for possible explanations for what is causing in-crop dicamba to apparently move beyond labeled buffer zones. These experts believe that, under certain conditions, volatilized dicamba is likely becoming “trapped” in the air, where it can then move to distant fields.