Chosen by Chen Liang
Cultivar Type：For Tea
Scientific Name：Camellia sinensis 'Damianbai'
华茶18号 农业部农业司，中国农业科学院茶叶研究所. 1990. 《中国茶树优良品种集》36-37页。
上饶大面白 农业部农业司，中国农业科学院茶叶研究所. 1990. 《中国茶树优良品种集》36-37页。
GSCT18 Ministry of Agriculture and Tea Research Institute, Chinese Academy of Agricultural Sciences. 1990. Collection on the improved tea varieties in China. p.36-37.
» English Description
Ministry of Agriculture and Tea Research Institute, Chinese Academy of Agricultural Sciences. 1990. Collection on the improved tea varieties in China. p.36-37.
Clonal variety. Frutex type. Large-leaf size. Early sprouting.
Originated in the region of Hongshuikeng (Shanghu village, Shangrao county, Jiangxi province). Now it is mainly distributed in the Shangrao county of Jiangxi province. It was also introduced to the Henan, Hunan, Anhui, Zhejiang and Guangdong provinces.
Plant higher. Open shaped. Average amounts of branching Leaves drooping. Length 14.7~17.8 cm, width 5.4~5.9cm. Oblong in shape, with acumu late tips. Green in color, glossy. Surface of leaves slightly protruding. Thick and soft in texture, with rough serrations. The sprouting period in spring season appears m the first ten days of March. The peak period of shoots wi+h one bud three leaves stage appears in the first ten days to the middle of April. *with potent sprouting ability. Shoots stout with profuse hairs. Light yeiiow green in color and vigorous tenderness-keeping ability. The weight of 100 one bud and three leaves shoots averaged 6 9~78 g. The peak period of flowering stage appears in the middle of October. Flowering but does not bearing. With potent rooting ability during cutting propagation and higher survival rate.
High-yielding. The yield of made tea in an area of 60 mu tea gardens in the Zhouwu Tea Plantation (Shangrao county, Jiangxi province) averaged 133.5 Kg per mu. Among those, m an area of 1.5 mu six years old demonstrating garden, the yield of made tea averaged 337.5 Kg per mu in 1985.
According to the analysis conducted by the Tea Research Institute, Chinese Academy of Agricultural Sciences, the contents of amino acids in the green tea sample-prepared with the one bud and two or three leaves shoots in the spring season averaged 3.102%, tea polyphenol 21.56%, Total catechins 122.57 mg/g. Suitable to the manufacture of green tea and special tea. The “Shangrao Baimei" “Xiantai Dabai’’ special tea prepared with GSCT18 variety as the raw material is characterized by its fresh aroma, full taste with sweet aftertaste, leaf fat with obvious hairs, and sold to Hongkong and Singapore. The oolong tea prepared with this variety as the raw materal has a superb quality.
Suitable to popularize in the tea region in the south-of-Yangzte River for the manufacture of green tea.
Owing to the weak adaptability, it is recommended to plant in the land with deep and fertile soil layer as well as faced to the south and take shelter from the wind Besides, it is necessary to prevent frost bite in the winter.
» Chinese Description
杨亚军，梁月荣. 2014. 《中国无性系茶树品种志》19页。