1. Univ. of Missouri; Greenley Research Center; P.O. Box 126 Novelty MO 63460
2. Univ. of Missouri; Division of Plant Sciences; 1-41 Agriculture Building Columbia MO 65211
3. Univ. of Missouri; Delta Research Center; P.O. Box 160 Portageville MO 63873
4. Univ. of Missouri; Hundley-Whaley Research Center; 1109 S Birch St. Albany MO 64402