Abstract Palmer amaranth is the most problematic and troublesome weed in agronomic cropping systems United States. Acetolactate synthase (ALS) inhibitor glyphosate-resistant (GR) has been confirmed Nebraska it widespread several counties. Soybean resistant to isoxaflutole/glufosinate/glyphosate developed that provides additional herbicide site of action for control herbicide-resistant weeds. Th...