Yunhuang 1

Yunhuang 1 (Camellia sinensis var. assamica). Chen Liang et al. 2024. Records of Tea Cultivars and Resources of Chinese Tea resources (Volume I)-Registered Tea Cultivars. p.606-607. [Applicant] Jinggu Dai and Yi Autonomous County Tea and Specialty Bio-industry Development Center, Yunnan Academy of Agricultural Sciences, Tea Research Institute. [Breeder] Lu Chuankun; Tian Yiping; Liao Shengqiang; Zhu Xingzheng; Dong Laixue; Chen Chunlin; Shu Chengwei; Sun Chao; Liu Xueyun; Deng Shaochun; Pang Dandan; Zhao Caimei; Ye Shuang; Liu Yue; Xu Yan; Su Qilan. [Variety Number] Non-major Crop Variety Registration No. GPD Tea Tree (2024)530002. [Source of Variety] Jinggu Dai and Yi Autonomous County Tea and Specialty Bio-industry Development Center and others selected from a single plant from the Yunnan Jinggu Yangta population. [Characteristics]: Tree-type, large-leaved, medium-growing species. The tree has an open posture, strong growth potential, high branching site, and sparse branching. Leaf blade horizontal bearing, medium oval, 17.8 cm long, 8.0 cm wide, leaf color yellow-green, apex sharp. In Yunnan Jinggu mining period is generally in the middle of March, one bud two leaves bloom period is generally in the middle of March; germination density is medium, velvet hairy; one bud three leaves are 16.2 cm long, one bud three leaves hundred buds weight 198.8 grams. Flowering period is in the middle of October every year; corolla diameter 5.20 cm x 5.00 cm, petals 7-8, ovary hairy, style 3-4 split. The biochemical sample of spring tea contains 18.8% tea polyphenols, 3.6% amino acids, 3.5% caffeine, 52.2% water leachate. Suitable for tea for black tea, green tea and white tea. The system of black tea, sweet aroma, taste is still strong alcohol, more sweet; the system of green tea, aroma of high crisp chestnut fragrance, taste is thicker, still sweet; the system of single-bud white tea, the aroma ^ 1 sweet, milli-fragrance, taste is sweet, fresh and refreshing. The first growth cycle mu yield of one bud and two leaves 643 kilograms of fresh leaves, than the control 'cloud resistance 10' yield reduction of 5%; the second growth cycle mu yield 660 kilograms, than the control 'cloud resistance 10' yield reduction of 4%. Resistant to anthracnose, cloudy leaf blight, moderately resistant to tea cake disease, small green leafhopper, susceptible to coffee mite, moderately resistant to thrips, cold hardiness, drought tolerance is strong. [Suitable for planting area and cultivation technology] Suitable for planting in the southwest ecological zone of Yunnan Pu'er, Xishuangbanna, Dehong large leaf tea area in the summer when there is enough rainfall. To double rows of single plant or single rows of single plant strip planting is appropriate, planting 1500-2000 plants per mu. Sufficient bottom fertilizer, tea garden to organic fertilizer and agricultural control of pests and diseases, young tea garden strictly 3 times stereotypes pruning. Pay attention to the prevention of low-temperature frost and coffee mite damage.