New post-directed product for cotton addresses pigweed, grasses

One of the problems with controlling glyphosate-resistant Palmer amaranth or pigweed is that the soil can be uncovered a long time after corn is harvested or cotton laid by. A new label for Zidua allows growers to apply the herbicide at layby in cotton. Mississippi State University’s Jason Bond says the product could be a plus for controlling pigweed and other problems weeds in cotton and corn.