[Hu, Xiao-Yi] Anhui Agr Univ, Coll Forestry & Landscape Architecture, Hefei 230036, Peoples R China.^[Zhang, Dang-Quan;Guo, Lin-Lin] Cent S Univ Forestry & Technol, Hunan Prov Key Lab Forestry Biotechnol, Changsha 410004, Peoples R China.^[Zhang, Dang-Quan;Guo, Lin-Lin] S Univ Forestry & Technol, Key Lab Nonwood Forest Prod State Forestry Adm, Changsha 410004, Peoples R China.