1. USDA-ARS and Dep. of Genetics; N.C. State Univ.; Raleigh NC 27695-7614
2. USDA-ARS, Plant Genetics Res. Unit; Univ. of Missouri; Columbia MO 65211
3. Novartis Agribusiness Biotechnology Research, Inc.; 3054 Cornwallis Rd. Research Triangle Park NC 27709