Breeding method of high-oil-content disease-resistant brassica napus germplasm

A technology of oil content and rapeseed, applied in botany equipment and methods, preparation and application of organic fertilizers, etc., can solve the problems of low yield of high-quality rapeseed, limited economic benefits, poor disease resistance, etc., and achieve the quality and reproductive rate of rapeseed High fertilizer efficiency and high utilization rate

CN112970580APending Publication Date: 2021-06-18贵州省油菜研究所
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2021-06-18

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Abstract

The invention belongs to the technical field of brassica napus breeding and discloses a breeding method of high-oil-content disease-resistant brassica napus germplasm. The breeding method of the high-oil-content disease-resistant brassica napus germplasm comprises the following steps: selecting a high-oil-content brassica napus cross parent, performing primary hybridization, conducting optimal selection and impurity removal on primary hybrid seeds, selecting a second-generation cross parent, conducting second-generation hybridization, and conducting selfing on second-generation hybrid seeds. High-yield and high-oil-content brassica napus seeds are cultivated through hybridization, disease resistance of the brassica napus is enhanced through the secondary hybridization, and the high-oil-content disease-resistant brassica napus is obtained. The provided breeding method of brassica napus is simple. The obtained high-yield and high-oil-content brassica napus seeds have characteristics of high yield, high oil content and strong disease resistance. Quality and planting benefits of brassica napus can be improved. A detection shows that the oil content of the high-oil-content disease-resistant brassica napus has the oil content higher than 48%.
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Description

technical field

[0001] The invention belongs to the technical field of rapeseed breeding, in particular to a method for breeding germplasm of rapeseed with high oil content and disease resistance. Background technique

[0002] At present: With the rapid development of the economy and the continuous improvement of people's living standards, the market demand for rapeseed is increasing, while the area of ​​cultivated land occupied by industry has increased sharply, the area of ​​rapeseed has relatively decreased, and the contradiction between supply and demand has become more prominent. International and domestic supply Tight, the global demand for vegetable oil increased. According to expert research and analysis, from 2005 to 2010, global vegetable oil consumption will increase by 27%, edible consumption by 14%, and biofuel by 13%. How to increase the yield per unit area of ​​rapeseed is particularly important. At present, the research work on the development and use of "bi...

Examples

Embodiment Construction

[0053] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0054] Aiming at the problems existing in the prior art, the present invention provides a method for breeding high oil content and disease-resistant rapeseed germplasm. The present invention will be described in detail below in conjunction with the accompanying drawings.

[0055] Both "Ningyou No. 8" and "Sunshine 198" rape varieties of the present invention can be purchased in the market.

[0056] like figure 1 As shown, the breeding method of the high oil content disease-resistant rapeseed germplasm provided by the embodiments of the present invention comprises the following steps:

[0057] S101, selection of high oil con...