1. Dep. of Soil and Crop Sciences; Inst. for Plant Genomics and Biotechnology; Texas A&M Univ.; College Station TX 77843-2123
2. Syngenta Seeds S.A.S.; 12 Chemin de L'Hobit 31790 Saint-Saveur France
3. USDA-ARS; Corn Insects and Crop Genetics Research Unit; Ames IA 50011