Introduction to the Main Characteristics of the Huangqi Tea Tree Variety

Variety Approval Number: National Tea Approval 2002018

Crop Type: Tea Tree

Variety Name: Huangqi

Breeding Institution: Tea Research Institute, Fujian Academy of Agricultural Sciences

Variety Source: Huangjingui x Baiqilan (natural hybridization)

Provincial Approval Status: Approved in 1994 by the Fujian Provincial Crop Variety Approval Committee

Characteristics: Small tree type, medium-leaf class, mid-season but slightly early variety. The tree crown is relatively tall and large, the tree posture is semi-spreading, and the branching ability is medium. Leaves are elliptical, leaf color is green, the leaf surface is slightly raised, the leaf tip is gradually pointed, and the leaf texture is relatively thick and brittle. Bud and leaf fertility is strong, sprouting is relatively dense, and the picking period is mid-to-late April. Buds and leaves are yellow-green, with few fine hairs, 100-bud weight 65.0 grams, and strong tenderness retention. Dry samples of one bud and two leaves of spring tea contain 3.5% amino acids, 32.8% tea polyphenols, and 5.2% caffeine. Suitable for making oolong tea, with quality superior to Fujian Shuixian. Strong cold resistance.

Yield Performance: In variety comparison trials from 1972 to 1984, it was 18.7% higher than Huangjingui and 148.5% higher than Tieguanyin (extremely significant). From 1984 to 1992, in provincial regional trials in Raoping, Guangdong and Yong'an, Fujian, it was 84.0% of Maoxie (difference not significant) and 166.1% of Tieguanyin. During the national regional trial period from 1997 to 2001, it was 12.39%-62.95% higher than Fuding Dabaicha, and compared with the oolong tea control variety Fujian Shuixian, it was 8.23% lower at the Yingde site and 199.28% higher at the Changsha site.

Key Cultivation Techniques: Plant in double rows with two plants per hole, 3000-4000 plants per mu, pick oolong tea at the "small to medium open face" stage, properly pick the top shoots and strong shoots earlier and tenderly, and cultivate the rest according to conventional techniques.

National Variety Approval Committee Approval Opinion: After review, it meets the national variety approval standards and has passed approval. It is suitable for planting in the tea areas of Guangdong, Fujian, Yunnan, Hainan, southern Guangxi, and central and southern Hunan.