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Method for breeding novel germplasm of Chinese cabbage with purple core

A technology for Chinese cabbage and new germplasm, which is applied in the field of agricultural plant germplasm resources and breeding, can solve problems such as inability to use Chinese cabbage, and achieve the effects of excellent quality, stable yield and beautiful color.

Inactive Publication Date: 2009-07-15
NORTHWEST A & F UNIV
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AI Technical Summary

Problems solved by technology

For Chinese cabbage, since the edible organ is the bulb, it is necessary to breed materials with purple bulb leaves. The above materials cannot be directly used in Chinese cabbage, and in order not to affect the normal growth of the plant, the outer leaves should preferably be green. report

Method used

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  • Method for breeding novel germplasm of Chinese cabbage with purple core
  • Method for breeding novel germplasm of Chinese cabbage with purple core
  • Method for breeding novel germplasm of Chinese cabbage with purple core

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Embodiment Construction

[0022] Firstly, on the basis of clarifying the distribution and genetic rules of different parts of Chinese cabbage purple traits, a safe breeding method for Chinese cabbage breeding materials with purple hearts was explored.

[0023] In the following description, the germplasm materials involved are available to those skilled in the art, for example:

[0024] Chinese cabbage inbred line 94S17-1-1 is a precocious self-incompatible line selected from the M-77 material introduced from Taiwan AVRDC in 1994, isolated and purified by selfing of multiple generations of individual plants.

[0025] Porphyra 95T2-5 is an inbred line selected from local conventional Porphyra by selfing isolation and purification of a single plant.

[0026] Chinese cabbage inbred line 02S597 is a sister line of 01S1024 (Journal of Northwest Agricultural Science, 2007, 16(1): 204-206).

[0027] What needs to be explained here is that the germplasm materials of Chinese cabbage inbred line 94S17-1-1, laver...

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Abstract

The invention discloses a method for breeding the new germplasm of purple Chinese cabbage. The method uses a white-core selfing line 95S17-1-1 of Chinese cabbage as a maternal plant and uses a selfing line 95T2-5 of laver stalks as a paternal plant for hybridization; after single plant selfing is continued for three generations, a selfing line 02S597 of orange-heading Chinese cabbage is used for testing hybridization; the single plant self breeding is continued for 5 generations, and the new germplasm of the purple Chinese cabbage with green external leaves and purple ball leaves is bred. The method not only enriches the breeding material of the Chinese cabbage, but also lays a good foundation for breeding the new germplasm of the purple Chinese cabbage, opens up a new path for the material creativity of the purple Chinese cabbage and solves the problem that only the ball leaves are purple in the material creativity of the purple Chinese cabbage.

Description

technical field [0001] The invention belongs to the field of agricultural plant germplasm resources and breeding, and relates to a method for breeding new germplasm of Chinese cabbage, in particular to a method for breeding new germplasm of purple-heart Chinese cabbage. Background technique [0002] Chinese cabbage is one of the most important vegetable crops in Brassica campestris L. ssp. Pekinensis (Lour.) Olsson. It is native to China and is a staple vegetable in my country and even in the world. Our country is rich in germplasm resources and various types of varieties. Because of its rich nutrition, high yield, storage and transportation resistance and many other advantages, it is deeply loved by the people of our country. According to statistics from the Ministry of Agriculture in 2006, the sown area of ​​Chinese cabbage in China is 39.35 million mu, accounting for 14.4% of the total sown area of ​​vegetables. It plays an important role in the annual supply of domesti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04A01H5/12
Inventor 张鲁刚张明科惠麦侠
Owner NORTHWEST A & F UNIV
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