Detailed introduction to the tea cultivar Zaobaijian No. 5

Cultivar name: Zaobaijian No. 5

Breeding institution: Chongqing Tea Research Institute

Cultivar source: Selected from individual plants of the Zaobaijian population cultivar

Provincial approval status: Approved in 1995 by the Sichuan Provincial Crop Variety Approval Committee

Characteristics: Belongs to the shrub type, medium-leaf class, early-sprouting cultivar. The plant posture is semi-spreading, with no obvious main trunk. Three years after planting, the tree height is 84.5 cm and the tree spread is 113.3 cm. Leaf length is 7.5 cm, width is 3.5 cm, the leaf surface is raised, the leaf margin is slightly wavy, with 7 pairs of veins, and the serrations are shallow and dense. The buds and leaves are tender green, glossy, and heavily pubescent. The weight of 100 buds with one bud and three leaves is 48.0 g. The dry sample of one bud and two leaves contains 2.8% amino acids, 25.1% tea polyphenols, and 3.4% caffeine. The quality of green tea it is suitable for making is comparable to that of Fuding Dabaicha. Strong cold resistance.

Yield performance: In comparative cultivar trials from 1986 to 1991, the 6-year average fresh leaf yield per mu was 1252.11 kg, 19.85% higher than that of Fuding Dabaicha. During the national regional trials from 1997 to 2001, it was comparable to the control cultivar Fuding Dabaicha.

Key points of cultivation techniques: In the early stage of cultivation, the root system is well developed and requires high-fertility management; taking advantage of its early sprouting and the large proportion of spring tea, produce more famous and high-quality tea in the early period; strictly control mite damage.