Introduction to the characteristics of the Lingtou Dancong tea plant variety
Variety approval number: Guoshen Tea 2002002
Crop type: Tea plant
Variety name: Lingtou Dancong
Breeding unit: Pingxi Town, Raoping County, Guangdong Province
Variety source: Selected from a single plant of the Fenghuang Shuixian population variety
Provincial approval status: Approved in 1988 by the Guangdong Provincial Crop Variety Approval Committee
Characteristics: Belongs to the small tree type, medium-leaf class, extremely early-sprouting variety, plant tall, tree posture semi-open, branching medium. Leaves long elliptic, average leaf length 9.0 cm, leaf width 3.5 cm, veins 7-9 pairs, leaf color yellow-green, glossy, leaf surface flat, leaf blade folded inward, leaf texture relatively thick and soft. Bud sprouting ability medium, the peak period of one bud and three leaves is in mid-to-late March, buds and leaves yellow-green, few hairs, the weight of 100 buds of one bud and three leaves is 121.0 g. Dry sample of one bud and two leaves of spring tea contains amino acids 1.5%, tea polyphenols 37.2%, caffeine 4.4%. Suitable for making oolong tea, quality obviously superior to the control variety Fujian Shuixian. Cold resistance relatively weak.
Yield performance: During the national regional trial from 1997 to 2001, the yield was 34.05-68.87% lower than Fuding Dabaicha. Compared with the oolong tea control variety Fujian Shuixian, it was 2.96% higher at the Guilin site and 42.83% lower at the Changsha site.
Key points of cultivation techniques: Select loose and fertile soil plots and use double-row strip planting, about 3000 plants per mu. Apply more organic fertilizer, do not apply excessive nitrogen fertilizer, pay attention to drought prevention and small green leafhopper damage in high-temperature and dry seasons, and prevent freezing damage in low-temperature seasons.
Approval opinion of the National Variety Approval Committee: After review, it meets the national variety approval standards and has passed approval. Suitable for planting in tea areas of Guangdong, Hainan, southern Guangxi, southern Yunnan, and southern Fujian.