Jane Dever¹, Dick Auld², Hong Zhang², Noureddine Abidi³ and John J. Burke⁴, (1)Texas Agricultural Experiment Station, Lubbock, TX, (2)Texas Tech University, Lubbock, TX, (3)Fiber and Biopolymer Research Institute - Dept. Plant & Soil Science, Texas Tech University, Lubbock, TX, (4)USDA-ARS, SPA, Cropping Systems Research Laboratory, Lubbock, TX