1. Institute of Plant Breeding, Genetics, and Genomics, University of Georgia, Athens, Georgia
2. School of Life Sciences, Liaocheng University, Shandong, China
3. Department of Crop and Soil Sciences, University of Georgia, Athens, Georgia
4. College of Agronomy, Jilin Agricultural University, Jilin, China
5. Soybean & Nitrogen Fixation Unit, USDA-ARS, Raleigh, NC, USA