1. Texas A&M AgriLife Research and Extension Center 6500 Amarillo Blvd. W. Amarillo TX 79106 USA
2. Department of Soil and Crop Sciences Texas A&M University 370 Olsen Blvd College Station TX 77843 USA
3. Genomics and Bioinformatics Service Texas A&M AgriLife Research 1500 Research Parkway, Ste. 250A College Station TX 77845 USA