1. State Key Laboratory of Tree Genetics and Breeding, Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, P. R. China
2. Hunan Provincial Collaborative Innovation Center for High-efficiency Utilization of Wood and Bamboo Resources, Central South University of Forestry and Technology, Changsha, P. R. China
3. College of Material Science and Engineering, Central South University of Forestry and Technology, Changsha, P. R. China