1. Institute of Sugar Beet Research (IfZ), Holtenser Landstrasse 77 37079 Göttingen, Germany
2. Embrapa Agricultural Digital, Campinas, SP 13083-886, Brazil
3. Division of Biometrics, Department of Agronomy, National Chung Hsing University, Taichung, Taiwan
4. Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG 36570-000, Brazil
5. U.S. Department of Agriculture-Agricultural Research Service Southeastern Fruit and Tree Nut Research Station, Byron, GA 31008, U.S.A.