1. Tea Research Institute; Qingdao Agricultural University; Qingdao 266109 China
2. Qingdao Key Laboratory of Genetic Improvement and Breeding in Horticultural Plant; Qingdao 266109 China
3. Tea Research Institute; Fujian Academy of Agricultural Sciences; Fujian Province 355015 China
4. Fruit and Tea Technology Extension Station; Jinan 250013 China
5. College of Landscape Architecture and Forestry; Qingdao Agricultural University; Qingdao 266109 China