Detailed Introduction to the Tea Cultivar Nanjiang No. 2

Crop type: tea plant

Cultivar name: Nanjiang No. 2

Breeding institution: Chongqing Tea Research Institute

Cultivar source: selected from single plants of Nanjiang large-leaf tea

Provincial approval status: approved in 1995 by the Sichuan Provincial Crop Cultivar Approval Committee

Characteristics: shrub type, medium-leaf class, mid-season but slightly early cultivar. The plant posture is semi-open, with leaves growing in an upward-slanting arrangement. Leaves are elliptical, the leaf surface is slightly raised, and the leaf color is green. Leaf length is 8.4 cm, width is 3.2 cm, with 9 pairs of veins and a rounded-pointed leaf tip. The buds and young leaves are yellow-green and relatively hairy. The 100-bud weight of one bud and three leaves is 48 g. The dry sample of one bud and two leaves of spring tea contains 1.9% amino acids, 22.1% tea polyphenols, and 3.6% caffeine. The quality of the green tea made from it is similar to that of Fuding Dabaicha.

Yield performance: in cultivar comparison trials from 1986 to 1991, the 6-year average fresh leaf yield was 1463.0 kg per mu, 39.9% higher than Fuding Dabaicha. During the national regional trial from 1997 to 2001, at the Meitan site it was 22.49% higher than the control cultivar Fuding Dabaicha, but at the Xinyang site it was 32.97% lower.

Key cultivation techniques: plant appropriately densely and pick in batches in a timely manner.