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Selection and breeding method for black hull peanut

A technology for black-skinned peanuts and peanuts, which is applied in the field of breeding of black-skinned peanuts, can solve the problems of difficulty in cultivating stable traits, and difficulty in stabilizing seed coat pigment genetic genes.

Inactive Publication Date: 2007-03-07
陈新华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the self-pollination of peanut monoecious plants, it is difficult to breed monolines with stable traits
Moreover, it is difficult to stabilize the genetic gene controlling seed coat pigment through conventional breed selection and purification and rejuvenation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] a. Peanut interspecific hybridization: select Zhongyou black peanut as the male parent, and Shandong brown peanut as the female parent to perform interspecific sexual hybridization to obtain peanut seeds, and artificially select peanut seeds with black seed coats;

[0016] b. Selection and backcrossing of peanuts with black seed coats: the plants planted with peanut seeds with pure black seed coats are used as female parents, and the male parents are backcrossed with medium-oil black peanuts to obtain second-generation black-skinned peanut seeds. Peanut seeds with black seed coat and growth advantage were planted and backcrossed continuously, and the number of backcross generations was 5 generations;

[0017] c, select the peanut plant tissue with black seed coat traits to carry out tissue culture and breed seedlings: select the peanut plant with strong stress resistance and vigorous growth from the planted black seed coat peanut plants and take the stem tip for tissue c...

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Abstract

The invention relates to a method for breeding peanut with black coat. Wherein, it comprises (a), selecting and backcrossing the peanuts with black coat; (b), selecting the peanut organism with black coat character to cultivate seed; (c), obtaining peanut seed; (d), enlarging the seed resource; (e), ending. The invention can obtain the peanut kind with stable black coat genetic character.

Description

technical field [0001] The invention proposes a method for seed selection in the field of agriculture, specifically a method for breeding black-skinned peanuts. Background technique [0002] Before the present invention was proposed, peanuts with brown seed coat genetic genes usually carried out interspecific continuation by means of natural breeding. Among the peanut offspring bred, peanuts with red, brown and black seed coats appeared randomly. The gene of peanut seed coat pigment is unstable, and there are separation and mixing phenomena, so it is difficult to breed peanut varieties with pure black testa gene. [0003] After testing: the nutritional value of peanuts with black seed coat is relatively high, especially the content of selenium is higher than that of ordinary peanuts, and the content of amino acids is also higher than that of ordinary peanuts. It is a nutritional economic crop with nutritional and health effects. [0004] Due to the self-pollination of peanu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
Inventor 陈新华
Owner 陈新华
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