1. The Samuel Roberts Noble Foundation; 2510 Sam Noble Pkwy. Ardmore OK 73401
2. Texas AgriLife Research; 1229 N. US Hwy. 281 Stephenville TX 76401
3. Dep. of Plant Sciences; Univ. of Wyoming; Laramie WY 82071
4. Monsanto; 700 Chesterfield Pkwy. West Chesterfield MO 63017
5. USDA-ARS; P.O. Box 748 Tifton GA 31793