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A kind of breeding method of peanut germplasm with high oleic acid

A technology of high oleic acid and peanuts, applied in botany equipment and methods, plant gene improvement, application, etc., can solve the problems of unstable yield, difficult direct application, and premature aging in the later stage, and achieve shortening breeding time, simple technical operation, The effect of high accuracy

Inactive Publication Date: 2019-04-09
广西壮族自治区农业科学院经济作物研究所
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Problems solved by technology

The ecological and climate conditions in the south are mainly suitable for the cultivation of locally selected pearl bean-type peanut varieties. The peanut varieties introduced from the north of my country or abroad generally show less results, unstable yields, premature aging, and poor disease resistance in the local planting. It is difficult to grow in production. direct application

Method used

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  • A kind of breeding method of peanut germplasm with high oleic acid
  • A kind of breeding method of peanut germplasm with high oleic acid
  • A kind of breeding method of peanut germplasm with high oleic acid

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Embodiment 1

[0026] A kind of breeding method of high oleic acid peanut germplasm is as follows: figure 1 As shown, the method includes the following steps:

[0027] (1) In the spring of 2003, the female parent 1 (Shanyou 162: characterized by high yield and disease resistance) and male parent 1 (SunOliec95R is a high-oleic peanut variety introduced from the United States by the applicant through the 948 project, which was tested by the Ministry of Agriculture for oil analysis. According to the central analysis, its oleic acid content is 64.14%, linoleic acid is 15.86%, and the oil / substance ratio is 4.04) for hybridization to obtain the first-generation offspring F1. In the spring of 2004, the seeds of the F1 generation were removed and the false hybrids were harvested and self-crossed to obtain F2 All single plants of the F2 generation were harvested separately; in the autumn of 2004, the seeds of the F2 generation were selfed to obtain the F3 generation, and in the spring of 2005, the s...

Embodiment 2

[0031] A kind of breeding method of high oleic acid peanut germplasm is as follows: figure 1 As shown, the method includes the following steps:

[0032] (1) In the spring of 2003, the female parent 1 (Shanyou 162: characterized by high yield and disease resistance) and male parent 1 (SunOliec95R is a high-oleic peanut variety introduced from the United States by the applicant through the 948 project, which was tested by the Ministry of Agriculture for oil analysis. According to the central analysis, its oleic acid content is 64.14%, linoleic acid is 15.86%, and the oil / substance ratio is 4.04) for hybridization to obtain the first-generation offspring F1. In the spring of 2004, the seeds of the F1 generation were removed and the false hybrids were harvested and self-crossed to obtain F2 All single plants of the F2 generation were harvested separately; in the autumn of 2004, the seeds of the F2 generation were selfed to obtain the F3 generation, and in the spring of 2005, the s...

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Abstract

The invention relates to the technical field of peanut breeding, in particular to a breeding method of a high oleic acid peanut germplasm. The breeding method comprises the following steps: (1) a female parent 1 and a male parent 1 are hybridized, and then successive generation selfing and oriented screening are performed to obtain 8-153 high oleic acid strains with high oleic acid content not less than 80%; (2) the 8-153 high oleic acid strains and a male parent 2 are hybridized, and then successive generation selfing and oriented screening are performed to obtain 11 high oleic acid strains with high oleic acid content not less than 80%; (3) the 11 high oleic acid strains and a male parent 3 are hybridized, and then successive generation selfing and oriented screening are performed to obtain the novel high oleic acid peanut germplasm. The novel peanut germplasm bred by a breeding technique has the characteristics of high oleic acid content, low linoleic acid content, high yield, higher kernel percent, bacterial wilt resistance, leaf spot resistance and rust resistance.

Description

【Technical field】 [0001] The invention relates to the technical field of peanut breeding, in particular to a method for breeding high oleic peanut germplasm. 【Background technique】 [0002] Peanuts are the main oil crops and economic crops in my country. The main fatty acids in peanuts are oleic acid and linoleic acid. In ordinary peanuts, the content of oleic acid is about 45%, and the content of linoleic acid is about 35%. Among them, linoleic acid is the root cause of oil spoilage, and oleic acid can reduce human blood total cholesterol and harmful low-density lipoprotein cholesterol, but has no effect on beneficial high-density lipoprotein cholesterol, and can reduce coronary heart disease, etc. The risk of heart disease is of great significance; in addition, oleic acid is not easy to be oxidized, and the product is resistant to storage, which also has important industrial economic value. Vegetable oils with high oleic acid content are widely loved by consumers in the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/04A01H1/02
CPCA01H1/02A01H1/04
Inventor 熊发前韩柱强王兴军钟瑞春贺梁琼唐荣华蒋菁高忠奎唐秀梅赵传志黄志鹏高国庆夏晗吴海宁刘俊仙罗赛云
Owner 广西壮族自治区农业科学院经济作物研究所
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