1. State Key Laboratory for Efficient Production of Forest Resources, Key Laboratory of Silviculture and Conservation of the Ministry of Education, National Energy R&D Center for Non-food Biomass, College of Forestry, Beijing Forestry University, Beijing, China
2. College of Forestry, Jiangxi Agricultural University, Nanchang, China
3. National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, China