1. Asgrow Seed Co.KalamazooMI49002
2. Auburn Univ.AuburnAL36849
3. Clemson Univ.ClemsonSC29634
4. Iowa State Univ.AmesIA50011
5. Jacob Hartz Seed Co.StuttgartAR72160
6. Louisiana State Univ. Agric. CenterBaton RougeLA70803
7. Mississippi State Univ.StonevilleMS38776
8. Monsanto Co.700 Chesterfield Parkway N.St. LouisMO63198
9. North Carolina State Univ.RaleighNC27695
10. Ohio State Univ.ColumbusOH43210
11. Purdue Univ.West LafayetteIN47906
12. Univ. of IllinoisUrbanaIL61801
13. Univ. of MinnesotaLambertonMN56152
14. Univ. of MissouriColumbiaMO65211
15. Univ. of NebraskaClay CenterNE68933
16. Virginia Polytechnic Institute and State Univ.BlacksburgVA24061