1. Fisher Delta Research, Extension, and Education Center, Plant Sciences and Technology Univ. of Missouri 147 State Hwy T Portageville MO 63873 USA
2. Plant Sciences and Technology Univ. of Missouri Columbia MO 65211 USA
3. Dep. of Crop and Soil Sciences Univ. of Georgia Athens GA 30602 USA
4. Dep. of Plant Pathology and Institute of Plant Breeding Genetics and Genomics Univ. of Georgia Athens GA 30602 USA
5. College of Agricultural Sciences Southern Illinois Univ. Carbondale IL 62901 USA
6. USDA‐ARS Crop Genetics Research Unit 141 Experiment Station Rd. Stoneville MS 38776 USA
7. USDA‐ARS Crop Genetics Research Unit, Jackson 650 Airways Boulevard Jackson TN 38301 USA
8. School of Plant and Environmental Sciences Virginia Tech Blacksburg VA 24061 USA
9. Dep. of Crop Soil and Environmental Sciences Univ. of Arkansas Fayetteville AR 72701 USA
10. Dep. of Plant Pathology Univ. of Arkansas Fayetteville AR 72701 USA