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Peanut breeding method

A technology of walnut and young embryo, applied in the field of walnut breeding, can solve the problems of slow water absorption, low survival rate of walnut seedling cultivation, low survival rate and the like

Active Publication Date: 2020-02-04
TARIM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of direct sowing has a low survival rate and takes a long time, because the walnut seed shell is hard and absorbs water slowly, such as direct sowing with dry seeds, the cultivation survival rate of walnut seedlings is very low
The grafting propagation method has the disadvantage of low survival rate whether it is high-branch replacement or budding of small seedlings.

Method used

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  • Peanut breeding method
  • Peanut breeding method

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Embodiment 1

[0021] The present embodiment provides a kind of walnut breeding method, comprising:

[0022] Step 1, the selection of parents and artificial hybridization: choose the early fruit walnut as the male parent, and the Zhonghe No. 1 walnut as the female parent for hybridization; when the male and female flowers of Zhongzai grow to a sufficient size but are immature, use a small bag to mix the male and female flowers of the male parent The female flower and the young fruit of the female parent are respectively entrapped to prevent other pollen from entering the bag; when the male flower reveals pollen, the bag is untied, the pollen is collected, and then bounced to the pistil and bagged.

[0023] Step 2, hybrid fruit management and collection: manage during the hybridization period, and take hybrid fruit after hybridization; hybrid fruit management includes preventing and controlling diseases and insect pests, and avoiding hybrid fruit bruises. The specific steps for taking the imm...

Embodiment 2

[0029] The present embodiment provides a kind of walnut breeding method, comprising:

[0030] Step 1, the selection of parents and artificial hybridization: choose the early fruit walnut as the male parent, and the Zhonghe No. 1 walnut as the female parent for hybridization; when the male and female flowers of Zhongzai grow to a sufficient size but are immature, use a small bag to mix the male and female flowers of the male parent The female flower and the young fruit of the female parent are respectively entrapped to prevent other pollen from entering the bag; when the male flower reveals pollen, the bag is untied, the pollen is collected, and then bounced to the pistil and bagged.

[0031] Step 2, hybrid fruit management and collection: manage during the hybridization period, and take hybrid fruit after hybridization; hybrid fruit management includes preventing and controlling diseases and insect pests, and avoiding hybrid fruit bruises. The specific steps for taking the imm...

Embodiment 3

[0037] The present embodiment provides a kind of walnut breeding method, comprising:

[0038] Step 1, the selection of parents and artificial hybridization: choose the early fruit walnut as the male parent, and the Zhonghe No. 1 walnut as the female parent for hybridization; when the male and female flowers of Zhongzai grow to a sufficient size but are immature, use a small bag to mix the male and female flowers of the male parent The female flower and the young fruit of the female parent are respectively entrapped to prevent other pollen from entering the bag; when the male flower reveals pollen, the bag is untied, the pollen is collected, and then bounced to the pistil and bagged.

[0039] Step 2, hybrid fruit management and collection: manage during the hybridization period, and take hybrid fruit after hybridization; hybrid fruit management includes preventing and controlling diseases and insect pests, and avoiding hybrid fruit bruises. The specific steps for taking the imm...

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Abstract

The invention provides a peanut breeding method. The peanut breeding method includes: (1) parent selection and artificial hybridization, to be specific, selecting early-fruiting walnut as a male parent, and selecting Juglans regia 'Zhonghe No.1' as a female parent, and hybridizing; (2) hybrid fruit management and collection, to be specific, performing management during hybridization, and taking hybrid fruits after hybridization; (3) young embryo acquisition and culture, to be specific, subjecting the hybrid fruits to aseptic treatment, and culturing hybrid fruit young embryos in a young embryoculture medium; (4) subculture, to be specific, subjecting stem segments of embryo cultured seedlings to subculture in a subculture medium; (5) rooting induction culture of the embryo cultured seedlings, to be specific, culturing the subculture embryo cultured seedlings in a rooting induction culture medium to obtain complete seedlings with roots; (6) hardening and transplanting. The peanut breeding method has advantages that the germination rate of the hybrid young embryos reaches 96%, the rooting rate of the stem segments of the embryo cultured seedlings reaches 86.1%, and the transplantingsuccess rate reaches 88.5%.

Description

technical field [0001] The invention relates to the technical field of walnut breeding, in particular to a walnut breeding method. Background technique [0002] Walnuts are rich in nutrients and have the functions of nourishing the kidneys, nourishing the lungs, moistening the intestines, strengthening the body and brain, and rejuvenating the skin and prolonging life. The green walnut peel is rich in vitamin B and vitamin C, which is equivalent to 40-50 times the content of orange pincers. It also contains quercetin, kaempferol and other substances, which can be used in traditional Chinese medicine to treat some skin diseases and gastric neuralgia ; Green fruit peel can also be used as a pesticide. At present, the breeding of walnut mainly includes the method of screening fine varieties for direct sowing and grafting. The method of direct sowing has low survival rate and takes a long time, because the walnut seed shell is hard and absorbs water slowly. As direct sowing wit...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H4/00
CPCA01H1/02A01H4/001A01H4/008
Inventor 金强陈小飞冯一峰陈家力张锐王新建张宏刘多红
Owner TARIM UNIV
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