1. Dep. of Soil and Crop SciencesTexas A&M Univ. College Station TX 77840‐2474
2. USDA‐ARS, Crop Germplasm Research UnitTexas A&M Univ. 430 Heep Center College Station TX 77843‐2474
3. Australian Tropical Crops and Forages CollectionQueensland Dep. of Primary Industries and Fisheries Biloela QLD Australia