Qingwu Xue, Texas A&M AgriLife Research, Amarillo, TX, US, Baozhen Hao, Texas A&M Agrilife Research, Amarillo, TX, Thomas H. Marek, Texas A&M AgriLife Research, Amarillo, TX, Kirk E Jessup, Texas A&M AgriLife Research at Amarillo, Amarillo, TX, Jacob D. Becker, NextSteppe Seeds, Hereford, TX, Wenwei Xu, Texas Tech University, Lubbock, TX, Ed Bynum, Texas A&M AgriLife Extension Service, Amarillo, TX, Brent W. Bean, Nextsteppe Seeds, Hereford, TX, Paul D. Colaizzi, USDA-ARS Conservation and Production Research Laboratory, Bushland, TX and Terry Howell, USDA-ARS, Bushland, TX