Harvest Aids for Soybeans

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu

A few herbicides are labeled as harvest aids for soybeans. Glyphosate and paraquat will have the broadest spectrum of control, with paraquat having quicker activity on the weeds. Aim, Clarity, and Defol are also labeled, but they have a much narrower spectrum of control. Be sure to read the label of the product you are considering for all the precautions and restrictions. Application of these products is after the pods begin to lose their green color. Applications made this late in the season means they will have little to no impact on reducing weed seed production.