Qianfu 4

Qianfu 4 (Camellia sinensis). Chen Liang et al. 2024. Records of Tea Cultivars and Resources of Chinese Tea resources (Volume I)-Registered Tea Cultivars. p.588-589. [Applicant] Guizhou Tea Research Institute. [Breeder] Chen Zhengwu; Chen Juan; Wang Jialun; Liu Hongmei; Guo Yan; Yang Chun. [Variety number] Non-major crop variety registration number: GPD Tea Tree (2019)520009, New Plant Variety Right number: CNA20080574.6. [Variety origin] Guizhou Provincial Tea Research Institute used Co60-γ rays to treat the seeds of tea tree variety 'Qianmei 419' after single plant selection, After the seeds of 'Qianmei 419' were treated with Co60-γ rays by Guizhou Tea Research Institute, it was selected by single-plant selection, asexual cuttings, and regional trials. [Characteristics] Small tree type, large leaves, middle-growth species, tall plant, half-open posture. Leaf length 12.5 cm, width 5.6 cm, leaf blade oval, leaf blade slightly upward oblique bearing, leaf color green, leaf surface bulging. In the Meitan area of Guizhou, the spring tea bud two leaves period in mid-April. A bud of three leaves 9.7 cm long, hundred bud weight 113.3 grams, new buds green, germination density medium, strong germination force, velvet hairs special, holding tenderness strong. The biochemical sample of spring tea bud two leaves contains 20.3% of tea polyacids, 3.2% of amino acids, 5.1% of caffeine, 45.0% of water leachate. Suitable for white tea. The white tea buds are fat, white as silver, light apricot-yellow soup color, fresh and sweet taste, and the whole buds at the bottom of the leaves are fat and tender and bright. The first growth cycle mu yield of one bud and two leaves 1065 kg of fresh leaves, an increase of 162% over the control 'Fuding big white tea'; the second growth cycle mu yield of one bud and two leaves 1156 kg of fresh leaves, an increase of 141% over the control 'Fuding big white tea'. It is highly resistant to Tea Stick Dying Horse and moderately resistant to Tea Small Green Leafhopper. Suitable for planting in Guangxi Guilin, Fujian Fu'an, Guangdong Yingde and Guizhou from October to March of the following year. It is suitable for double rows of single plants or single rows of double plants, planting density of 2500-3000 plants / mu, on time for shaping pruning and topping to raise the canopy, and strengthen the fertilizer management.