Gancha No. 2 (Tea Tree)
Variety approval No.: national examination Tea 2002006
Type of crop: tea tree
Variety name: Gancha No.2
Breeding unit: tea Department Institute of Xiangongshan Reclamation Farm, Wuyuan County, Jiangxi Province
Variety source: Fuding Dabai tea × Wuyuan population species (natural cross)
Provincial examination and approval: approved by Jiangxi Provincial crop Variety approval Committee in 1993
Characteristics: it belongs to small tree type, middle leaf type, early species. The tree posture is semi-spreading, the branches are medium, and the leaves are obliquely attached. The leaf is oval, the leaf color is light green, the bud leaf is light green, the bristle is many, one bud three leaves hundred buds weigh 71.7 grams. The quality of green tea is similar to that of Fuding Dabai tea. It has strong cold resistance.
Yield performance: breeding unit 8 mu experimental tea garden, dry tea yield per mu was 154.6 kg in 1987 and 230.2 kg per mu in 1990. During the national regional trial from 1997 to 2001, it was 25.73% lower than the control Fuding Dabai tea in Hangzhou and 84.63% higher in Changsha.
Key points of cultivation techniques: conventional cultivation.
The approval opinion of the National quality Review Committee: after examination and approval, it meets the national variety approval standard and passes the examination and approval. It is suitable for planting in tea areas of Hunan, Jiangxi, southern Hubei and southern Anhui.
- Prev
Tea cultivation techniques in Alpine area
More than 20,000 mu in Datian County are planted in alpine areas with an elevation of 800,000m above sea level. The annual average temperature is 17.5 ℃, the annual rainfall is 1770mm, the temperature difference between day and night is large, there are many clouds and dew, and the humidity is high. The annual mining period is 10 days later than that of the low-altitude tea area in the county, and the autumn tea ends about 7 days earlier. Therefore, it is necessary to master the following technical points in production and cultivation. 1. Seedlings 1. Varieties with strong resistance to cold, drought, diseases and insect pests, which are beneficial to market competition and cultivation direction.
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Technical points of increasing yield and improving quality of Spring Tea
Postpone light pruning: regular trimming of tea crowns is carried out from December to February of the following year. Practice has proved that, first, the branches are vulnerable to freezing damage after pruning; second, the overwintering buds are cut off, which delays the germination of spring buds; third, the accumulated nutrients in the crown branches of tea trees are cut off, affecting the sprouting ability and growing thick branches of spring buds, and finally affecting the yield and quality of spring tea. Therefore, the pruning time should be carried out after the frost period, and the first spring tea can be mined 30-40 days after cutting. Early topdressing: most of the conventional topdressing is in the first and middle of March, spring buds.
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