Method for breeding distinguished germ plasm of high-grade triticale rich in chrome

A cultivation method and wheat technology, applied in the field of agricultural research, can solve problems such as large span of disciplines and few applications by breeders, and achieve the effects of reducing biological damage, improving the probability of selection, and enriching genetic backgrounds

Inactive Publication Date: 2007-10-10
河北省农林科学院粮油作物研究所
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Problems solved by technology

At the same time, breeders are also exploring new ways. In recent years, more new breeding technologies have been used, such as radiation breeding, haploid breeding, and transgenic technology. The comprehensive application of some methods in hybridization and biotechnology to breeding often has a large span of disciplines, and breeders seldom use them

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Embodiment Construction

[0025] The method for cultivating chromium-rich, high-quality triticale specific germplasm of the present invention is as follows:

[0026] (1) The inventor collected more than 60 genetic resources of blue and purple wheat (collectively referred to as black wheat) from 11 countries including the Netherlands, the United States, Australia, and Ethiopia, and traced back The sources of the grain pigment genes of these germplasms were identified and classified into six categories: echinopsis, cultivated emmer wheat, rye, Chinese spring wheat, durum wheat and landraces. The grain quality and trace elements of black wheat germplasm resources with pigment genes derived from six different genetic backgrounds were analyzed. It is found that some germplasms have higher copper, iron, manganese, zinc, selenium and chromium content than common white wheat, for example: CGN. The Australian triticale germplasm 14928 has medium trace element content and good comprehensive agronomic traits, an...

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Abstract

A method for culturing the specific germplasm of high-quality Cr-enriched black wheat 'Jizi 439' includes such steps as hybridizing between Australian black wheat 14928 as female parent and 95-5031 as male parent, hybridizing between the hybrid F1 as female parent and tetraploid hard-grain wheat 190268 as male parent, rescue of F0 embryo, indoor passage, choosing new line Ai-8 from F3 generation, hybridizing between said Ai-8 and Luozhen 1, anther culture of the hybrid F1 generation, treating the calli by slow radiation, and transplanting the regenerated plants in field.

Description

technical field [0001] The invention relates to a method for cultivating a chromium-rich, high-quality triticale specific germplasm, which belongs to the field of agricultural research. Background technique [0002] With the improvement of people's living standards, a significant decrease in labor intensity and changes in eating habits, the incidence of diabetes has risen rapidly and is showing a younger trend, posing a serious threat to life and health. Before 1980, the incidence of diabetes in my country was only 0.3% of the total population. Now according to the latest domestic statistics, the incidence of diabetes in my country has reached more than 4%. There are about 40 million people with diabetes in my country. Diabetes is the second killer of modern diseases, and its harm to the human body is second only to cancer. [0003] At the 11th Nestlé International Symposium on Health and Nutrition, experts from all over the world discussed and exchanged ideas on the topic...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04A01H3/00
Inventor 李杏普兰素缺刘玉平李立会候红军
Owner 河北省农林科学院粮油作物研究所
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