Palmer amaranth on ditchbank bordered by clean cotton fields.
One area of concern in glyphosate-resistant (GR) Palmer amaranth management is controlling this species on turnrows, field borders, and ditchbanks. Clean crop fields surrounded on turnrows and/or ditchbanks by GR Palmer amaranth is a common sight in areas where it is prevalent. Glyphosate-resistant Palmer amaranth has also . . . → Read More: Glyphosate-resistant Palmer Amaranth on Turnrows and Ditchbanks
When glyphosate was effective on most weeds, we were in a period of “weed control”. However, over the last few years since glyphosate-resistant weeds have become so prevalent, we have entered a period of “weed management”. . . . → Read More: Weed Control to Weed Management
A good rule of thumb is that the crop should be weed-free for the first four to six weeks following emergence to avoid yield loss. . . . → Read More: Timing Critical for Postemergence Herbicide Applications
Using herbicides with different modes of action is an excellent resistance management tool for glyphosate-resistant Palmer amaranth. . . . → Read More: Palmer Amaranth Control in Corn with HPPD Herbicides
Paraquat is a critical component of an at-planting herbicide application. . . . → Read More: Control Palmer Amaranth at Planting