Zhenong 25

Zhenong 25. (C. sinensis). Yang Yajun and Liang Yuerong, 2014. Clone Cultivars of Tea in China. p.268. Originated from Zhejiang. Chen Liang et al. 2024. Records of Tea Cultivars and Resources of Chinese Tea resources (Volume I)-Registered Tea Cultivars. p.58-59:  [Applicant] Zhejiang University. [Breeder] Liu Zusheng; Zhao Xueren; Wang Airong; Hu Yueling; Zhou Jugan; Liang Yuerong; Zhao Dong; Lu Jianliang; Zheng Xinqiang. [Variety number] Non-major crop variety registration number: GPD Tea Tree (2020) 330032. former Zhejiang Province Crop Variety Validation Committee (1992) recognized number: Zhejiang Product Recognition No. 156. [Variety Source] Selected by Zhejiang University Tea Research Institute from the natural hybrid progeny of 'Yunnan Daye'. [Characteristics] Small tree type, medium-growing species, strong growth potential, half-open posture, large leaf type, leaf length 10.7 cm, width 3.9 cm, leaf blade narrow oval, leaf insertion state level. In Hangzhou area spring tea bud one leaf period at the end of March, the new buds and leaves light green, velvet more, buds fat, a bud of three leaves length 8.9 cm, 100 bud weight 99.0 grams. Spring tea bud two leaves biochemical samples containing tea polyphenols 17.8%, amino acids 3.2%, caffeine 2.4%, water leachate 45.6%. Suitable for black tea. The black tea has the flavor of Dian Hong, and the black tea has high fragrance like flower, and the taste is strong and fresh. The first growth cycle mu yield of one bud and two leaves 30 kg of fresh leaves, than the control 'Fuding Dabaicha' 84% increase in yield; the second growth cycle mu yield 114 kg, than the control 'Fuding Dabaicha' 47% increase in yield. It is susceptible to tea leafhopper, tea anthracnose, medium cold resistance and strong drought resistance. [Suitable for planting area and cultivation technology] Suitable for planting in Zhejiang and other tea areas in spring, fall and winter. According to the specifications of the double-strip planting tea garden planting, strict stereotypes pruning and picking the top to raise the canopy, in order to expand the picking surface. Pay attention to frost protection during the young period. Later control the amount of nitrogen fertilizer to facilitate overwintering, pay attention to disease control.