Pigweed Response To Herbicides<BR> “Palmer amaranth more difficult to control than smooth” <BR>Gossett and Toler (1999), Weed Technology 13:165-168 <BR> <BR> “Pendimethalin and trifluralin controlled Palmer amaranth, redroot pigweed, and tumble pigweed less than other herbicides” <BR>Sweat et al. (1998), Weed Technology 12:315-321 <BR> <BR>“Significant differences in herbicide control among pigweed species.  Palmer amaranth is more difficult to control.” <BR>Mayo et al. (1995), Weed Technology 9:141-147<BR>