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Germ plasm resource and genetic improvement of wheat

A genetic improvement and wheat technology, applied in the field of crop genetics and breeding, can solve the problems of single genetic basis of wheat varieties, restrictions on the progress of wheat breeding, and lack of variety resources

Inactive Publication Date: 2010-06-30
李祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the genetic basis of wheat varieties popularized and used in production is single, and the variety resources that can be used for breeding are increasingly scarce, which seriously restricts the progress of wheat breeding.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] Wheat breeders attach great importance to the research of wheat germplasm resources. On the basis of extensive collection and possession of a large number of wheat germplasm resources, they have continuously strengthened multidisciplinary cooperation and conducted research on excellent germplasm resources at the group, individual, cell, and molecular levels. Identification, evaluation and genetic analysis, fully excavating specific genetic resources, and actively serving wheat breeding. According to the requirements of modern wheat breeding goals, a variety of germplasm innovation methods have been comprehensively adopted to create a batch of germplasm materials with high yield, high quality, stress resistance, and high-efficiency nutrient utilization, which provide breeding utilization and promote the improvement of wheat breeding level. . Through comprehensive evaluation, a batch of excellent germplasm was identified and screened, and a batch of excellent germplasm ma...

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PUM

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Abstract

A germ plasm resource is also called as a wheat gene resource, is a material basis for breeding new wheat varieties, and is also a material basis for researching the origination, the evolution, the heredity and the classification of wheat. The germ plasm resource not only provides a parent material for breeding a new wheat variety with high yield, good quality and stress tolerance, but also provides a material basis for satisfying the requirements of people in multiple aspects of production and living, and creates conditions for the development of bioscience, such as biotechnology and the like. The quantity and the quality of possessed wheat germ plasm resources and the width and the depth of researching the wheat germ plasm resources are important symbols for reflecting the level of the genetic improvement of wheat. The development level of the genetic improvement of wheat largely depends on the quantity and the quality of grasped and utilized germ plasm resources. Breakthrough breeding achievements rely on the exploration and the utilization of specific germ plasm resources.

Description

technical field [0001] Germplasm resources and wheat genetic improvement belong to the field of crop genetics and breeding. Background technique [0002] Wheat is one of the most important food crops in the world, with a wide planting area and high yield. At present, the genetic basis of wheat varieties promoted and used in production is single, and the variety resources that can be used for breeding are increasingly scarce, which seriously restricts the progress of wheat breeding. Broadening the genetic basis of wheat and enriching the genetic diversity of wheat is one of the important contents of current wheat breeding and genetic improvement. Contents of the invention [0003] Wheat germplasm resources, also known as wheat genetic resources, are the material basis for cultivating new varieties of wheat and the basic materials for studying the origin, evolution, inheritance and classification of wheat. It not only provides parental materials for cultivating high-yieldi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/00A01H1/02A01H1/04
Inventor 李祥
Owner 李祥