1. Dep. of AgronomyUniv. of Missouri-Columbia Columbia MO 65211
2. Pioneer Hi-Bred International Johnston IA 50131
3. Agilent Technologies Wilmington DE 19808
4. USDA-ARS Plant Genetics Res. Unit, and Dep. of AgronomyUniv. of Missouri-Columbia Columbia MO 65211
5. USDA-ARS Plant Genetics Res. Unit, and Dep. of EntomologyUniv. of Missouri-Columbia Columbia MO 65211
6. Agriculture and Agri-Food Canada Ottawa