US Department of Agriculture-Agricultural Research Service, Crop Pro-duction Systems Research Unit, Stoneville, USA;
Amaranthus; palmeri; EPSPS; (5-Enolpyruvylshikimate-3-phosphate; Synthase); EPSPS; Gene; Copy; Number; Glyphosate-Resistance; Herbicide; Tolerance; Population; Variance; Pigweed;