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Breeding method for high-yield, high-oleic and high-oil peanuts

A high oleic acid, high oil technology, applied in the directions of botanical equipment and methods, application, plant genetic improvement, etc., to achieve the effects of short breeding cycle, small blindness, good economic and social benefits

Inactive Publication Date: 2011-12-21
SHANDONG PEANUT RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] If the peanut varieties can guarantee high yield and high oleic acid and high oil quality, the planting, production and deep processing of peanuts can be brought to a new height, but how to ensure the high yield of peanut varieties while ensuring the quality of peanuts? High oleic acid and high oil quality, there has been no report on the corresponding breeding method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The high-yield and high-oleic peanut variety Luhua 11 (promoted by the Shandong Provincial Crop Variety Approval Committee in 1993) was selected as the female parent and the high-yield and high-oil peanut variety Jihua No. Published in Japan) to cross the male parent to obtain a hybrid F1 generation; use the first hybrid F1 generation as the female parent to perform double backcross with Luhua 11 and Jihua 4 respectively to obtain the backcross generation AC1F1 and BC1F1; select high oleic acid in the AC1F1 generation A single plant was used as the female parent and continued to be backcrossed with Luhua 11 to obtain AC2F1. In the BC1F1 generation, a single Gaoyou plant was selected as the female parent and continued to be backcrossed with Jihua 4 to obtain BC2F1; AC2F1 and BC2F1 were self-crossed to obtain AC2F2 and BC2F2 ; AC2F2 and BC2F2 were crossed to obtain the F1 generation of the second cross, and the F1 generation of the second cross was self-crossed for multipl...

Embodiment 2

[0020] The high-yield and high-oleic peanut variety Huayu No. 19 (variety approval number: National Examination Oil 2002018) was selected as the female parent and the high-yield and high-oil peanut variety Xuhua No. 9 (variety approval number: Sushen Peanut 200301) was used as the male parent to cross one time Crossbreed the F1 generation; use the F1 generation of one cross as the female parent to carry out double backcrossing with Huayu 19 and Xuhua 9 respectively to obtain the backcross generation AC1F1 and BC1F1; in the AC1F1 generation, select a single plant with high oleic acid as the female parent to continue to cross with Huayu 19 and Xuhua 9 Yu 19 was backcrossed to obtain AC2F1, and in the BC1F1 generation, a single high-oil plant was selected as the female parent to continue backcrossing with Xuhua 9 to obtain BC2F1; AC2F1 and BC2F1 were self-crossed to obtain AC2F2 and BC2F2; AC2F2 and BC2F2 were crossed to obtain two The F1 generation of the secondary hybridization,...

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Abstract

The invention discloses a method for breeding high-yield high-oleic-acid high-oil peanuts, which comprises the following steps: crossing a high-yield high-oleic-acid peanut variety and a high-yield high-oil peanut variety; backcrossing the hybrid generations with the parent generations respectively; continuing to backcross high-oleic-acid single plants from AC1F1 generation and high-oil single plants from BC1F1 respectively to obtain AC2F1 and BC2F1 respectively; performing selfing of the AC2F1 and selfing of BC2F1 respectively; after selfing, performing crossing to obtain secondary crossing generation; performing continuous multi-generation selfing by starting from the secondary crossing generation, selecting high-yield high-oleic-acid high-oil single plants for selfing propagation from each generation after the F2 generation and while selecting high-yield single plants, performing high-oleic-acid and high-oil nondestructive selection by using nondestructive selection technology, andperforming the selfing of the selected high-yield high-oleic-acid high-oil single plants; and performing comparative selection of lines from F6 generation and obtaining new high-yield high-oleic-acidhigh-oil peanut variety.

Description

[0001] technical field [0002] The invention relates to a breeding method for high-yield, high-oleic and high-oil peanuts, which belongs to the technical field of peanut breeding. Background technique [0003] Peanut is the main oil crop and economic crop in China. The main fatty acids in peanuts are oleic acid and linoleic acid. Oleic acid can reduce the amount of total blood cholesterol and harmful cholesterol, but will not reduce the amount of good cholesterol. Oleic acid is called "safe fatty acid", and linoleic acid is the root cause of oil spoilage; in ordinary peanuts, the content of oleic acid is about 45%, and the content of linoleic acid is about 35%. The prepared peanut oil contains a large amount of linoleic acid. If no preservatives are added, it will be easily spoiled; if preservatives are added, it will have adverse effects on human health; therefore, the content of oleic acid is used as one of the important symbols for evaluating the quality of edible oils. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
Inventor 杨庆利禹山林朱凤迟晓元潘丽娟杨珍曹玉良陈明娜陈娜
Owner SHANDONG PEANUT RES INST
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