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Discovery method of fast-evolving genes for resistance to stress in Salix chinensis

A rapid evolution and genetic technology, applied in the fields of biochemical equipment and methods, genomics, plant genetic improvement, etc., can solve the problems of low excavation efficiency and slow speed, and achieve the effect of strong adaptability

Active Publication Date: 2022-07-26
NANTONG UNIVERSITY
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AI Technical Summary

Problems solved by technology

[0005] In order to overcome the defects existing in the existing technology, a method for excavating stress-resistant rapid evolution genes of willow is provided to solve the problem of low efficiency and slow speed of traditional willow stress-resistant gene excavation

Method used

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Embodiment Construction

[0030] The present application will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described herein are only used to explain the related invention, but not to limit the invention.

[0031] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the embodiments.

[0032] The invention provides a method for excavating stress-resistant and fast-evolution genes of Salix chinensis, comprising the following steps:

[0033] S1: Select different willow varieties to construct a basic group.

[0034] Specifically, step S1 includes:

[0035] S11, intercepting the stem segments of different willow varieties;

[0036] S12, rooting the stem segments through hydroponics to form plants.

[0037] S2: Screen out the diploid willow va...

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Abstract

The invention discloses a method for excavating stress resistance and rapid evolution genes of Salix chinensis. The method for excavating stress resistance and rapid evolution genes of Salix chinensis can quickly, efficiently and accurately excavate the stress resistance and rapid evolution genes of Salix chinensis, which is a kind of drought resistance and rapid evolution gene. Willow genetics and breeding provide a rich material basis for the selection of willow varieties with good stress resistance and adaptability. The invention solves the problems of low excavation efficiency and slow speed of traditional willow stress resistance genes.

Description

technical field [0001] The invention relates to the technical field of forest tree breeding, in particular to a method for excavating stress resistance and rapid evolution genes of Salix chinensis. Background technique [0002] Willow is the collective name of Salix.L and Chosenia Nakai species in the Salicaceae family. It is a deciduous tree or shrub, mainly distributed in the temperate and boreal regions of the northern hemisphere. It is an important energy source, afforestation and a Green tree species. There are more than 520 species of willow trees in the world, and Asia is the center of origin of willow trees, of which 257 species are distributed in China. [0003] Willow has good stress resistance, such as salt tolerance, drought tolerance, moisture tolerance and heavy metal stress tolerance, and plays an important role in ecological restoration. [0004] Salix matsudana Koidz (Salix matsudana Koidz) is an allotetraploid tall tree in the Salix family Salix, with goo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04A01H1/08C12Q1/6869C12Q1/6895G16B20/00
CPCA01H1/02A01H1/08A01H1/04C12Q1/6895C12Q1/6869G16B20/00C12Q2600/13C12Q2600/156C12Q2535/122C12Q2537/165
Inventor 张健李懿鑫杨杰刘国元魏辉陈艳红余春梅连博琳钟非戴远浩
Owner NANTONG UNIVERSITY
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