1. State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Life Science and Technology, Guangxi University, 100 Daxue Road; Nanning Guangxi 530004 China
2. Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests; Plant Protection Research Institute, Guangxi Academy of Agricultural Sciences, 174 Daxue Road; Nanning Guangxi 530007 China