Fuzao No. 2 (Tea Tree)
Variety approval No.: national examination Tea 2002001
Type of crop: tea tree
Variety name: Fuzao No. 2
Breeding unit: tea Research Institute of Anhui Academy of Agricultural Sciences
Variety source: from poplar forest population species bred by single plant breeding method
Provincial examination and approval: approved by Anhui Provincial crop Variety approval Committee in 1996
Characteristics: shrub type, middle leaf type, early species. The tree is erect, the branches are dense, and the leaves are obliquely planted. The leaf is long oval, the leaf color is green, has the luster, the leaf body slightly infold, the leaf surface is flat. The bud leaves are yellowish green, the hairs are medium, and the buds weigh 49.3 grams. The dry sample of spring tea contains 4.7% amino acids, 28.5% tea polyphenols and 12.1% total catechins. It is suitable for making green tea, and its quality is the same as Fuding Dabai tea. Strong cold resistance.
Yield performance: from 1990 to 1994, regional tests were conducted in the buried hill of Jiangbei tea area and Huizhou of Jiangnan tea area. The yield per mu of buried hill was 287 kg, which was 124.9% higher than that of Anhui No. 3. The yield per mu in Huizhou is 230 kg, 24.5% higher than Anhui No.1. During the national regional trial from 1997 to 2001, it was 15.56% higher than the control Fuding Dabai tea in Hangzhou and 45.23% lower in Xinyang.
Main points of cultivation techniques: the plant is erect, the first stereotyped pruning can be slightly lower, and the second year can be pruned twice; spring topdressing is carried out in Jiangnan tea area in late February and Jiangbei tea area in early March.
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 to be planted in tea areas such as Anhui, Zhejiang, Jiangxi, Hunan, Hubei, Jiangsu and Henan.
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Seedling raising technique of short-spike cuttage of tea plant
First, the selection of mother trees and the cultivation of cuttings: the vigorous growth, the same characters of improved varieties, and the disease-free garden were selected as the mother garden, and then the mother trees were selected in the mother garden, and the selected mother trees did not pick tea, but left shoots to cultivate cuttings, generally leaving spring shoots as summer cuttings, summer and autumn shoots as autumn and winter cuttings, and topping about 13 days before cutting. Second, nursery land selection and management: select areas close to the new planting garden, convenient transportation, loose and fertile soil slightly acidic red-yellow loam, convenient drainage and irrigation. Ploughing and tanning, raking and smashing, removing grass roots, tree roots, sundries, etc. According to the width of the border 1 meter
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Measures to prevent tea trees from blooming
In summer and autumn every year, tea trees not only have tea buds and flower buds in the same year, but also have fruits developed and matured last year, forming the phenomenon of "carrying a baby", which affects the yield and quality of Ding Xianye. In order to improve the yield and quality of tea, the measures to prevent tea from blooming are introduced as follows: 1. Spray gibberellin. During the peak period of physiological differentiation of flower buds, gibberellin 100 mg / kg per mu plus 2% urea aqueous solution 75% 100 kg was sprayed evenly on the front of the leaves. Gibberellin can stimulate the elongation and division of primordial cells in tea buds.
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