1. Beijing Academy of Agriculture and Forestry/Beijing Municipal Key Laboratory of Agricultural Gene Resources and Biotechnology, Beijing Agro- Biotechnology Research Center, Beijing 100097, PR China
2. State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, PR China
3. Key Laboratory of Microbial Resources, Ministry of Agriculture / Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China