1. State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
2. National Foundation for Improved Cultivars of Chinese Jujube, Cangzhou 061000, China
3. Bureau of Forestry of Aohan, Chifeng 028000, China
4. Agricultural Comprehensive Service Center, Dong Lianhuayuan Town, Qianxi County, Tangshan 063000, China