1. State Key Laboratory of Agricultural Microbiology College of Plant Science and Technology Huazhong Agricultural University Wuhan 430070 China
2. College of Life Science and Technology Yangtze Normal University Chongqing 408100 China
3. Center for Agricultural Resources Research Institute of Genetics and Developmental Biology Chinese Academy of Sciences 286 Huaizhong Road Shijiazhuang Hebei 050021 China
4. University of Chinese Academy of Sciences Beijing 100049 China