1 College of Agronomy, Hunan Agricultural University, Changsha 410128, China.
2 Center for Soybean Research of the State Key Laboratory of Agrobiotechnology and School of Life Sciences, The Chinese University of Hong Kong, Hong Kong Special Administrative Region 999077, China.
3 College of Agronomy, Hunan Agricultural University, Changsha 410128, China; Center for Soybean Research of the State Key Laboratory of Agrobiotechnology and School of Life Sciences, The Chinese University of Hong Kong, Hong Kong Special Administrative Region 999077, China; Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China. Electronic address: hc66@hunau.edu.cn.