Introduction to the Tea Variety Qianmei 809

Variety Approval Number: Guoshen Tea 2002007

Crop Type: Tea Plant

Variety Name: Qianmei 809

Breeding Institution: Guizhou Provincial Tea Science Research Institute

Variety Source: Fuding Dabaicha × Qianmei 412

Provincial Approval Status: Approved in 1999 by the Guizhou Provincial Crop Variety Approval Committee

Characteristics and Traits: Belongs to the small tree type, large-leaf class, medium-maturing variety. Has a distinct main trunk, branches semi-spreading, leaves slightly upward-slanting in arrangement. Average leaf length is 14.2 cm, width is 6.7 cm, veins 9-11 pairs, leaf surface raised, leaf tip acuminate, leaf color light green, long elliptic. Buds and leaves densely pubescent, light green, weight of 100 buds of one bud and three leaves is 113.0 g. Dry sample of one bud and two leaves contains tea polyphenols 30.52%, amino acids 1.51%, caffeine 3.93%, total catechins 19.95%. Quality of black tea made from it is similar to the control variety Qianmei 419. Relatively strong cold resistance.

Yield Performance: In variety comparison trials from 1986 to 1990, average fresh leaf yield per mu was 279.9 kg, 66.11% higher than Fuding Dabaicha. During the national regional trial from 1997 to 2001, it was 37.2-81.81% higher than the green tea control variety Fuding Dabaicha, and 0.00-41.49% higher than the black tea control variety Qianmei 419.

Key Cultivation Techniques: 1. Plant in double-row single-plant or double-row double-plant arrangement, large row spacing 1.5 m, small row spacing 0.4 m, plant 5000-6000 seedlings per mu.

National Variety Approval Committee Approval Opinion: After review, it meets the national variety approval standards and has passed approval. Suitable for planting in tea regions of Guangdong, Guangxi, Guizhou, Sichuan, Chongqing and other provinces (regions, municipalities).