1. Texas A&M Univ. Texas Agric. Exp. Stn. RR 3, Box 219 Lubbock TX 79403
2. Texas A&M Univ. Texas Coop. Ext. RR 3, Box 213AA Lubbock TX 79403
3. Dep. of Agric. and Appl. Econ. Texas Tech Univ. Lubbock TX 79409
4. Cotton Inc. World Headquarters 6399 Weston Parkway Cary NC 27513