[Tu, Jia; Wu, Lichao] Cent South Univ Forestry & Technol, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Shaoshan South Rd 498, Changsha 410004, Hunan, Peoples R China.
[Tu, Jia] Hunan Acad Forestry, Shaoshan South Rd 658, Chagnsha 410004, Hunan, Peoples R China.
[Tu, Jia; Wu, Lichao] Cent South Univ Forestry & Technol, Cooperat Innovat Ctr Cultivat & Utilizat Nonwood, Shaoshan South Rd 498, Changsha 410004, Hunan, Peoples R China.
[Tu, Jia; Wu, Lichao] Cent South Univ Forestry & Technol, Key Lab Nonwood Forest Prod, State Forestry Adm, Shaoshan South Rd 498, Changsha 410004, Hunan, Peoples R China.
[Qiao, Jie; Wang, Baoping] State Forestry Adm, Paulownia Res & Dev Ctr, Zhengzhou 450003, Henan, Peoples R China.