[1] Beijing Forestry Univ, Beijing Key Lab Ornamental Plants Germplasm Innova, Beijing 100083, Peoples R China
[2] Beijing Forestry Univ, Natl Engn Res Ctr Floriculture, Beijing 100083, Peoples R China
[3] Beijing Forestry Univ, Beijing Lab Urban & Rural Ecol Environm, Beijing 100083, Peoples R China
[4] Beijing Forestry Univ, Engn Res Ctr Landscape Environm, Minist Educ, Beijing 100083, Peoples R China
[5] Beijing Forestry Univ, Key Lab Genet & Breeding Forest Trees & Ornamental, Minist Educ, Beijing 100083, Peoples R China
[6] Beijing Forestry Univ, Sch Landscape Architecture, Beijing 100083, Peoples R China