Noble Research Institute, Ardmore, OK, USA.|Noble Research Institute, Ardmore, OK, USA.|Noble Research Institute, Ardmore, OK, USA.|Noble Research Institute, Ardmore, OK, USA.|AgriLife Research Center, Texas A&M University, Beaumont, TX, USA.|Department of Agronomy, Iowa State University, Ames, IA, USA.|Noble Research Institute, Ardmore, OK, USA.|Noble Research Institute, Ardmore, OK, USA.|Department of Agronomy, Iowa State University, Ames, IA, USA.|Department of Botany and Plant Sciences, University of California, Riverside, CA, USA.|Noble Research Institute, Ardmore, OK, USA.