1. Soybean Research InstituteNanjing Agricultural University Nanjing210095 China
2. Key Laboratory of Biology and Genetic Improvement of Soybean National Center for Soybean Improvement (Ministry of Agriculture) Nanjing Agricultural University Nanjing210095 China
3. National Key Laboratory for Crop Genetics and Germplasm Enhancement Nanjing Agricultural University Nanjing210095 China