1. College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, China.
2. Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, Huanggang, China.
3. College of Agronomy, Shihezi University, Shihezi, China.
4. College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China.