Zhongcha 307

Zhongcha 307 (Camellia sinensis). Chen Liang et al. 2024. Records of Tea Cultivars and Resources of Chinese Tea resources (Volume I)-Registered Tea Cultivars. p.152-153: [Applicant] Institute of Tea Research, Chinese Academy of Agricultural Sciences. [Breeder] Wang Lu; Wang Xinchao; Hao Xinwang; Yang Yajun; Zhang Zhifang. [Variety number] Non-major crop variety registration number: GPD Tea Tree (2022)330055, new plant variety right number: CNA20183262.3. [Variety origin] Tea Research Institute, Chinese Academy of Agricultural Sciences, from the 'Keemen' in a single selection. [Characteristic features] Shrub type, extra early-blooming species, open posture, strong growth potential, medium leaf type, leaf blade length 10.3 cm, width 3.8 cm, leaf blade narrow oval, leaf insertion state horizontal. In Shengzhou area, the spring tea bud one leaf period is in the middle and late March, the new buds and leaves are light green, with less velvet, the length of one bud and three leaves is 11.3 centimeters, and the weight of one hundred buds is 65.0 grams. Spring tea bud two leaves biochemical samples containing tea polyphenols 18.9%, amino acids 4.1%, caffeine 3.0%, catechin 12.3%, water leachate 52.9%. Suitable for green tea. It is suitable for making baked green tea, with the appearance of tight, hairy, tender green, soup color of light tender green (yellow), bright, high aroma, chestnut aroma, and taste of sweetness and freshness. The annual mu yield of fresh leaves of one bud and two leaves in the first growth cycle is 1,067 kilograms, which is 34% higher than that of the control 'Fuding Dabaicha'; the annual mu yield of the second growth cycle is 1,300 kilograms, which is 45% higher than that of the control 'Fuding Dabaicha'. It is susceptible to tea leafhopper, resistant to tea anthracnose, cold and drought. [Suitable for planting areas and cultivation technology points] Suitable for planting in Zhejiang Shengzhou, a tea area in the south of the Yangtze River, in spring and fall. It is suitable to adopt the planting specification of single row and double plants or double row and single plants, with a large tree width, the planting density can be reduced appropriately; the supply of fertilizer and water in the early stage should be sufficient; pay attention to the timely tender picking, and prevent and control the tea leafhopper at the right time.