1. Monsanto South Africa; P.O. Box 7424 Petit 1512 South Africa
2. Dep. of Agronomy; Univ. of Wisconsin; Madison WI 53706
3. Dep. of Dairy Science; Univ. of Wisconsin; Madison WI 53706
4. Av. Vitacura 2939, Of. 201, Las Condes Santiago Chile
5. Syngenta Seeds S.A.S.; 12 Chemin de L'Hobit 31790 Saint-Saveur France