A method for creating germplasm resources of disease-resistant and high-quality head cabbage

A technology of cabbage and germplasm, which is applied in the field of creation of disease-resistant and high-quality cabbage germplasm resources, can solve the problems of difficulty in achieving 100% hybridization rate, restriction of promotion area, degradation of easy viability, etc., and shorten the breeding time , Efficiency improvement, time shortening effect
CN113711906BActive Publication Date: 2022-04-15ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
Publication Date
2022-04-15

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Abstract

The invention discloses a method for creating germplasm resources of disease-resistant and high-quality head cabbage, which belongs to the technical field of cabbage breeding. This method selects the CMS male sterile line / maintainer line of cabbage with excellent comprehensive traits to be crossed with fertile cabbage plants with excellent comprehensive traits, and then adopts in vitro tissue culture from the hybrid offspring to recombine and screen for similar spherical shape, similar ripening period, and color. The sterile lines with similar comprehensive traits are backcrossed with similar fertile plants for 3 generations, and the fertile plants are self-crossed for one generation and then interplanted to breed new CMS male sterile lines with different ripeness, spherical shape and excellent color comprehensive traits / Maintainer lines, and other new excellent fertile strains. Through the improved culture of callus protoplasts, the frequency of protoplast regenerated plants can be increased, chimeras and polyploids can be eliminated, excellent fertile plants can be retained, and more and better new germplasm resources can be created.
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Description

technical field

[0001] The invention belongs to the technical field of cabbage breeding, and in particular relates to a method for creating germplasm resources of disease-resistant and high-quality head cabbage. Background technique

[0002] Heading cabbage (Brassica oleacea L.var.capitata L.) is a variety of Brassica plants in the family Brassica, also known as cabbage, cabbage, etc. It originated from the Mediterranean coast and has a mild climate. It is the main vegetable crop in China. One of them was introduced into China in the 16th century. Heading cabbage (hereinafter referred to as cabbage) has the characteristics of disease resistance, strong adaptability, easy storage and transportation, high yield, and good quality. It is widely cultivated in various parts of our country and has developed rapidly. One of the main vegetables in summer, autumn and winter, with an annual planting area of ​​3 million hectares 2 All of the above plays an important role in the annual...

Claims

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