1. State Key Laboratory for Conservation and Utilization of Agro-Bioresources, Guangxi Key Laboratory for Sugarcane Biology, Guangxi University, Nanning 530005, China
2. Rubber Research Institute, Chinese Academy of Tropical Agricultural Science, Haikou 570105, China
3. State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Horticulture, South China Agricultural University, Guangzhou 510642, China