1. USDA‐ARSSouthern Plains Agricultural Research Center2881 F&B Rd.College StationTX77845
2. Dep. of Biological SciencesCenter for Plant Lipid Research, Univ. of North Texas1511 W. SycamoreDentonTX76203
3. Dep. of Soil and Crop ScienceTexas AgriLife Research1102 East FM 1294LubbockTX79403