Tea tree double clone hybrid variety breeding method based on Yabukita*C. sinensis cv. Baihaozao

A hybrid variety and early white kohlrabi technology, applied in the fields of botanical equipment and methods, plant genetic improvement, cultivation, etc., can solve the problems of long time span, large personnel changes, and difficult work, and achieve good growth potential and good resistance. Effect

Active Publication Date: 2019-11-08
湖南省茶叶研究所
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Problems solved by technology

The Qimen Institute of Tea Science in Anhui Province carried out this work from the 1960s to the 1980s. However, because tea trees are perennial crops, th

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  • Tea tree double clone hybrid variety breeding method based on Yabukita*C. sinensis cv. Baihaozao
  • Tea tree double clone hybrid variety breeding method based on Yabukita*C. sinensis cv. Baihaozao
  • Tea tree double clone hybrid variety breeding method based on Yabukita*C. sinensis cv. Baihaozao

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[0031] The following describes the specific implementation of the present invention. The present invention can be implemented in many other ways different from those described here. Those skilled in the art can make similar improvements without violating the connotation of the present invention. Therefore, the present invention is not limited by the following disclosure. specific implementation restrictions.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

[0033] In order to obtain more tea tree double clone hybrid seeds (hereinafter referred to as double clone seeds) per unit area, the tea tree double clone hybrid breeding method based on Ya...

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Abstract

The invention discloses a tea tree double clone hybrid variety breeding method based on Yabukita*C. sinensis cv. Baihaozao. According to the targets of high yield, early ripening, high quality and strong stress resistance and the principle of parental character complementation, varieties of C. sinensis cv. Baihaozao and Yabukita are selected to arrange a double clone hybrid seed orchard. The female parent C. sinensis cv. Baihaozao is a national-level improved variety (GS13017-1994), and a male parent Yabukita is an introduced Japanese tea industry main variety. The C. sinensis cv. Baihaozao and the Yabukita are subjected to single-line double-plant interlaced hedge planting according to 1.5m*0.33m, and seed harvesting, sowing and seedling raising are started in the fourth year. By the aidof variety comparison tests and area tests, the Yabukita*C. sinensis cv. Baihaozao tea tree double clone hybrid varieties with strong adaptability, high yield and high quality and adapting to popularization in northern and high mountain tea areas are bred. The varieties are moderate in ripening, less in fine long hair, strong in adaptability, high in yield, strong in shoot tenderness-keeping ability, suitable for preparing famous green tea and not susceptible to anthracnose.

Description

technical field [0001] The invention belongs to the field of hybrid breeding of tea trees, and in particular relates to a method for breeding double-clonal hybrid varieties of tea trees based on Yaubei × Baihaozao. Background technique [0002] Heterosis is a universal law in the biological world, and heterosis has been widely used in agricultural production. There are two ways about the utilization of heterosis of tea trees: one way is to adopt the method of hybridization, selection and vegetative propagation to select clonal improved varieties. At present, all tea-producing countries in the world basically select and promote clonal improved varieties; The approach is to directly use the seeds of the double-clonal hybrid varieties for production. India, as the second largest tea-producing country, while breeding and promoting 30 clone varieties, also promotes the application of 24 pairs of double clone combinations in production, because of its strong stress resistance of ...

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Application Information

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IPC IPC(8): A01H1/02A01G17/00
CPCA01G17/005A01H1/02
Inventor 李赛君段继华黄飞毅雷雨罗意康彦凯吕立哲张丽霞丁玎陈宇宏董丽娟
Owner 湖南省茶叶研究所
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