Fall herbicide application in dry conditions

By Alyssa Essman, Ohio State University Extension

Dry conditions this fall have led to timely harvest progress in much of the state. As folks start to wrap up, the window for follow up field activities like fall herbicide applications may be longer than in years past. Recent C.O.R.N. articles have covered the benefits of fall herbicide applications: Our Annual Article to Nag about Fall Herbicides and Cressleaf GroundselAVOID A NIGHTMARE NEXT SPRING!!!!!!!!Another Article about Fall Herbicides?!. In the 2022 driving survey of late-season weed escapes in soybean, marestail was the second most common species encountered. Fall applications are an essential part of managing marestail and other overwintering species.

The dry pattern this fall may have reduced winter annual weed emergence, and we don’t appear to be headed into an overly wet pattern. It’s possible that weed populations are low and may not merit a fall application, although there are always more weeds out there than we think.… Continue reading