[1]Key Laboratory of Soybean Molecular Design Breeding Northeast Institute of Geography and Agroecology Chinese Academy of Sciences Changchun 130102 P.R.China;
[2]Soybean Research Institute Jilin Academy of Agricultural Sciences/National Engineering Research Center for Soybean Changchun 130033 P.R.China;
[3]University of Chinese Academy of Sciences Beijing 100049 P.R.China;
soybean; outcrossing rate; stem height; branch number; initial bloom date;