Maturity Group (MG) is a widely-used system for soybean varieties classification in the world. However, it has not been adopted yet in China. In the current studies, we identified the MG catagories for 19 check varieties from the National Soybean Uniform Trials of China by comparing the check varieties with 38 MG standard varieties from the North America, which covered MG000–MGVIII. The check varieties from 16 trial groups represented most of the released soybean varieties in China.All standard and check va...