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A kind of breeding method of dormant peanut variety with high oleic acid

A high oleic acid, peanut technology, applied in the directions of botanical equipment and methods, application, plant genetic improvement, etc., can solve problems such as germination, and achieve the effects of increasing accuracy, improving peanut yield, and improving selection efficiency

Inactive Publication Date: 2017-01-18
SHANDONG PEANUT RES INST
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Problems solved by technology

[0004] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a method for breeding dormant peanut varieties with high oleic acid, which enriches the genetic variation, measures the oleic acid content accurately and quickly, and the peanut varieties bred have good The dormancy of peanuts solves the problem of germination on plants when peanuts are harvested

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  • A kind of breeding method of dormant peanut variety with high oleic acid
  • A kind of breeding method of dormant peanut variety with high oleic acid

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Embodiment 1

[0024] A method for selecting and breeding high oleic acid dormant peanut varieties, comprising the following steps:

[0025] (1) Select the high-yield and high-quality peanut variety Qinglan No. 2 (bred by the Peanut Research Institute of Shandong Province) as the female parent, and select the high-oleic acid dormant peanut line P76 as the male parent. The peanut line P76 was produced by Heigu, Haiyang County, Shandong Province. The dry seeds of the high-yield and stress-resistant large peanut variety Haihua No. 1 selected by the village agricultural science team were treated with cobalt 60 The mutant obtained after gamma ray irradiation is a stable new peanut line with high oleic acid content obtained through 5 consecutive generations of selfing, and the oleic acid content reaches 80.70%. Hybridization is carried out when the parents meet at the flowering stage. The flowers on the female parent are pinched off one week before the hybridization, and the fruit needles on the f...

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Abstract

The invention discloses a breeding method of a high-oleic-acid dormancy peanut variety. The breeding method of the high-oleic-acid dormancy peanut variety comprises the following steps: hybridizing parents, namely taking dragonhead No.2 as a female parent and taking a high-oleic-acid dormancy peanut variety system P76 as a male parent; screening high oleic acid by using pressure, namely harvesting single plants of F2-F3 hybridized generations of seeds, carrying out detection on the content of the nondestructive oleic acid in all the seeds of the single plates commonly and carrying out two generations of screening; screening high dormancy by using pressure; testing the dormancy and testing the content of the nondestructive oleic acid; and obtaining the high-oleic-acid dormancy peanut variety. The bred peanut variety is high in content of oleic acid and high in dormancy; the problem that sprouts grow on the plants when harvesting the peanuts can be effectively solved.

Description

technical field [0001] The invention relates to the field of peanut breeding methods, in particular, a method for breeding high-oleic dormant peanut varieties is designed. Background technique [0002] The oleic acid content in peanut kernels is an important quality index that affects the physical and chemical stability and nutritional value of peanut oil. Increasing the oleic acid content has become one of the important quality breeding goals of peanuts in my country. [0003] Peanut seed dormancy is an extremely important and complex agronomic trait. Internal factors affecting peanut seed dormancy include: embryo effect, seed coat effect, and endogenous hormone levels, etc. Seed dormancy is also significantly affected by environmental conditions such as temperature and humidity , storage time, etc.; through ethylene, drying after ripening, dry heat treatment, etc., the dormancy of peanut seeds can be released. Too strong dormancy of peanut seeds will lead to low seedling ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/04A01H1/02
Inventor 陈静胡晓辉苗华荣崔凤高杨伟强吴兰荣石运庆
Owner SHANDONG PEANUT RES INST
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