1. USDA‐ARS Crop Genetics Research Unit 141 Experiment Station Rd. Stoneville MS 38776 USA
2. USDA‐ARS Crop Genetics Research Unit Jackson TN 38301 USA
3. USDA‐ARS Sustainable Water Management Research Unit 141 Experiment Station Rd. Stoneville MS 38776 USA
4. National Center for Alluvial Aquifer Research (NCAAR), Delta Research and Extension Center Mississippi State Univ. Stoneville MS USA