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Method for accelerating transformed brassica juncea sterile line by using vernalization and generation-adding

A male sterile line and high-vegetable technology, applied in botany equipment and methods, application, plant gene improvement, etc., can solve the problems of low seed production yield, high cost, and degradation of plant vitality, so as to save costs and reduce prices Effect

Inactive Publication Date: 2010-12-01
NINGBO ACAD OF AGRI SCI
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Problems solved by technology

The genetic diversity of breeding raw materials is very low, the genetic background is relatively simple, or the gene pool is small, and the selection range is also small
Seed propagation is labor-intensive, the yield of seed production is low, the seed production technology is weak, the cost is high, and multi-generational self-fertilization is prone to degradation of plant viability

Method used

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  • Method for accelerating transformed brassica juncea sterile line by using vernalization and generation-adding

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Abstract

The invention belongs to the technical field of cruciferous vegetable breeding, disclosing a method for accelerating transformed brassica juncea sterile line by using vernalization and generation-adding. The method comprises the following steps: taking cytoplasmic male sterile line of hot pickled mustard tuber as a female parent; taking brassica juncea self-bred line 05g-01 as an recurrent parent; by using the vernalization and generation-adding, selecting inert sterile plants of all flowers and pollens to carry out backcross transformation after hybridizing, and cultivating brassica juncea sterile line 09G-01 through six generated transformation. The recurrent parent is maintainer line of corresponding cytoplasmic male sterile line.

Description

The Method of Quickly Transplanting the CMS Line of Gaocai by Vernalization technical field The invention belongs to the technical field of cruciferous vegetable breeding, and in particular relates to a method for selecting and propagating a new cytoplasmic male sterile line of sorghum vegetable. Background technique High cabbage is a kind of vegetable with leaves or leaf balls as the product in the Brassica genus Brassica species. It is a biennial herbaceous plant and belongs to the leaf mustard variety. Due to its high nutritional value and unique flavor, it has become very popular in the international market in recent years. According to the records in Japan's "Xinxuanzijing" and "Yanxishi", takacai was introduced from Sichuan Province, China to 13 Nara Prefectures in the 37th year of Meiji (1904), and its cultivation has spread all over Japan. The origin of Gaocai is China, and it is called "Chinese Wild Vegetable" after being introduced into Japan. Chinese Gaocai is ...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
Inventor 王毓洪孟秋峰任锡亮
Owner NINGBO ACAD OF AGRI SCI
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