1. China Eucalypt Research Centre (CERC); Chinese Academy of Forestry (CAF); ZhanJiang 524022 GuangDong Province China
2. Department of Microbiology; Forestry and Agricultural Biotechnology Institute (FABI); University of Pretoria; Private Bag X20, Hatfield Pretoria 0028 South Africa
3. Department of Plant and Soil Sciences; FABI; University of Pretoria; Private Bag X20, Hatfield Pretoria 0028 South Africa