1. Beijing Forestry University Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, Beijing Forestry University, School of Landscape Architecture, , 35 East Qinghua Road, Beijing, 100083, China
2. Zhejiang Academy of Agricultural Sciences Flower Research and Development Center, , Hangzhou 311202, China