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Selective breeding method for potherb mustard cytoplasm male sterile line

A male sterile line, cytoplasmic technology, applied in the directions of botanical equipment and methods, application, plant genetic improvement, etc., can solve the problems such as the breeding method of cytoplasmic male sterile line of S. Effect

Inactive Publication Date: 2009-03-18
HUAZHONG AGRI UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] So far, there has been no report on the breeding method of the cytoplasmic male sterile line of mustard mustard

Method used

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  • Selective breeding method for potherb mustard cytoplasm male sterile line
  • Selective breeding method for potherb mustard cytoplasm male sterile line
  • Selective breeding method for potherb mustard cytoplasm male sterile line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 Breeding of Cytoplasmic Male Sterile Line of Mustard Mustard

[0029] One, carry out genetic classification to mustard type rape cytoplasmic male sterile line, its step is as follows:

[0030] 1. Determination of recovery relationship:

[0031] (1) The correct genetic classification of mustard-type cytoplasmic male sterile lines was carried out through the determination of the relationship between restoration and conservation, and the material numbered 6-102A was determined to be a new cytoplasmic male sterile cytoplasmic type.

[0032] (2) Through the determination of the recovery relationship (see Fu Tingdong, "Breeding and Utilization of Hybrid Rapeseed", Hubei Science and Technology Press, the method introduced in 2000 edition), select 39 Brassica napus and Brassica napus varieties or lines respectively Testcross with pol CMS; ogu CMS, tour CMS, napCMS, 6-102A, and the results of the restoration relationship are shown in Table 1.

[0033] Table 1 Determi...

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Abstract

The present invention relates to a potherb mustard cytoplasmic male sterile line selecting and breeding method. Said invention is characterized by that it uses natural mustard rape cytoplasmic male sterile line 6-102A as female parent, uses potherb mustard 6-130 as maintainer line, utilizes continuous backcross and molecular marking auxiliary selection to obtain genetic stable potherb mustard cytoplasmic male sterile line and maintainer line, breeding said sterile line so as to obtain the potherb mustard cyloplasmic male sterile line CMS 6-130 for production application.

Description

technical field [0001] The invention belongs to the technical field of vegetable breeding of mustard mustard, and in particular relates to a method for selecting and propagating a new cytoplasmic male sterile line of mustard mustard. Background technique [0002] Cytoplasmic male sterility (abbreviated as CMS, the same below) is the most important way of heterosis in rapeseed. At present, there are many types of cytoplasmic male sterility reported at home and abroad. According to their different sources, they can be divided into two categories: heterologous cytoplasmic male sterility and homologous cytoplasmic male sterility: in heterologous CMS, the most useful and has begun There are ogu CMS, kosena CMS and tour CMS for commercial breeding; among the homologous CMS, the one with commercial value is mainly Polima cytoplasmic male sterile line (Pol CMS). Pol CMS is the first international rapeseed male sterile line with practical value discovered by Professor Fu Tingdong of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04A01G1/00
Inventor 傅廷栋万正杰涂金星马朝芝李兴华易斌文静
Owner HUAZHONG AGRI UNIV
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