Breeding and reproduction method of water mustard cytoplasmic male sterile line and maintainer 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 of heterosis not being well utilized, achieve excellent growth, overcome self-incompatibility, etc. Complete effect on sexuality and sterility

Inactive Publication Date: 2017-08-22
SHAOGUAN COLLEGE
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Problems solved by technology

At present, the selection and breeding of Jingshui vegetable varieties is usually based on conventional species, using F 1 Varieties with heterosis are rarely reported, so heterosis has not been well utilized in the selection and breeding of Jingshuicai varieties

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  • Breeding and reproduction method of water mustard cytoplasmic male sterile line and maintainer line

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] see figure 1 A method for breeding and breeding Jingshuicai cytoplasmic male sterile line and maintainer line, which uses Chinese cabbage cytoplasmic male sterile line CMS63-5 as the female parent, takes Jingshuicai inbred line 10-171 as the male parent, and crosses get F 1 , through multiple generations of continuous backcrossing, combined with cultivation experiments, resistance identification and fertility identification, the cytoplasmic male sterile material CMS-99 of Jingshuicai with stable genetics, strong disease resistance and excellent growth characteristics was obtained, and CMS-99 was used as the female Originally, Jingshuicai 10-192 was crossed with the male parent, and the Jingshuicai male sterile line CMS-100 and its maintainer line 10-B192 were obtained. The specific selection steps are as follows:

[0017] 1. Male parent selec...

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Abstract

The invention relates to breeding of a water mustard cytoplasmic male sterile line and a maintainer line. A Chinese cabbage cytoplasmic male sterile line CMS63-5 is adopted as a female parent, water mustard 10-171 is adopted as a recurrent parent, through multiple generations of continuous backcross, and through the combination of cultivation experiments and resistance identification and fertility identification, a water mustard cytoplasmic male sterile material which is stable in heredity, strong in disease resistance and excellent in growth trait is obtained, and 10-192 is adopted as a male parent to conduct hybridization, so that the water mustard cytoplasmic male sterile line and the maintainer line thereof are obtained. The sterility of the water mustard cytoplasmic male sterile line is very stable and thorough, the sterile line is not influenced by temperature and light conditions, and no phenomena of dead buds and etiolation in a seedling stage occur.

Description

technical field [0001] The invention belongs to the technical field of breeding of new vegetable varieties of Brassica genus Brassica, and relates to a method for breeding and breeding a cytoplasmic male sterile line and maintainer line of Jingshui vegetable. Background technique [0002] Jingshuicai (full name: Jingshuicai with thousand tendons and white stems, scientific name: B. campestris L. ssp. Nipposinica (Bailey) Olsson; chromosome group AA, 2n=20) is a leafy vegetable of Brassica subspecies Brassica, stems and leaves contain vitamin C, calcium, potassium, sodium, magnesium, phosphorus, copper, iron, zinc, Nutrient elements such as manganese and strontium have good health care effects. At present, the selection and breeding of Jingshui vegetable varieties is usually based on conventional species, using F 1 Varieties with heterosis are rarely reported, so heterosis has not been well utilized in the selection and breeding of Jingshuicai varieties. Therefore, the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 李海渤郑立军潘春香范文明
Owner SHAOGUAN COLLEGE
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