1. Key Laboratory of Soybean Biology in Chinese Education Ministry Northeast Agricultural University Harbin 150030 China
2. Bioinformatics Division Biomarker Technologies Corporation Beijing 101300 China
3. Institute of Crop Science National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI) Chinese Academy of Agricultural Sciences Beijing 100081 China
4. Illinois Soybean Center for Excellence in Soybean Research Southern Illinois University Carbondale IL 62901 USA
5. Department of Crop and Soil Science Washington State University Pullman WA 99164‐6420 USA