Tree Genetic Breeding Methods of Taxus chinensis

A southern yew, genetic breeding technology, applied in the field of woody plant variety breeding, can solve the problems of asynchrony of flowering period between species of Taxus genus, difficulty in pollination and breeding, etc., and achieve the effects of improving the survival rate and improving the adaptability.

Inactive Publication Date: 2018-08-21
徐州明九农业发展有限公司
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AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is to provide a tree genetic breeding of southern yew, which solves the problem of difficulty in pollination and breeding due to asynchronous flowering period among yew plants

Method used

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Embodiment 1

[0029] A method for hybrid breeding of yew, comprising the steps of:

[0030] (1) Pollen collection: Determine the male and female plants of Taxus wallichiana var. mairei and Taxus × media, and investigate the specific time of flowering. It was found that the male flowering period of the southern yew is more than 10 days earlier than that of the Mandia yew, and the female flowering period is basically the same; the watering period of the single female flower of the two kinds of yews is 2 days, and the watering period of the whole female flower lasts for about 2 weeks . The pollen of the male plant of Taxus mandia was collected in late February, dried naturally, removed impurities, and placed in EP tubes for refrigerated storage at 4°C for later use, and kept dry.

[0031](2) Pollination: From March 1st, observe the water spit of female flowers on the female plants of Taxus chinensis and Taxus Mandia, and take out the stored pollen the next day since the female flowers have en...

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Abstract

The invention discloses a forest genetic breeding method for taxus chinensis var mairei. The method comprises the following steps of pollen collecting, pollination, fertilizer applying, fruit bearing, sand storage, seeding and transplanting. The method solves the problem that pollination and breeding are difficult due to desynchronization of flower phases among taxus chinensis plant seeds, and is easy and convenient to implement, and a large amount of production practice is carried out in a spraying mode. The method has important and profound significance on deep development and wide application of taxus chinensis var mairei plant resources, and the application prospects are wide.

Description

technical field [0001] The invention relates to a plant tree genetic breeding method, in particular to a southern yew tree genetic breeding method, and belongs to the technical field of woody plant variety selection and breeding. Background technique [0002] Forest tree genetics and breeding generally refer to the following research: forest genetics, the genetic variation rules and evolution mechanisms of different traits of forest trees at the population, individual, cell and molecular levels, providing a theoretical basis for the conservation and management of forest resources and the genetic improvement of forest trees. Genetic improvement of forest trees, strategies and procedures for tree improvement, formulation of breeding programs, theories and methods of introduction, selective breeding, hybrid breeding (including yield, quality, resistance and adaptive breeding, etc.), and methods and methods of forest tree breeding. Forestry biotechnology, using biotechnology suc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01H1/02C05G3/00
CPCA01G9/0299A01G17/005A01H1/02C05B7/00C05G3/00C05D9/00C05F11/08C05F11/10
Inventor 潘雯丽
Owner 徐州明九农业发展有限公司
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