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A method for cultivating rice seeds by fusion of rice and Panax notoginseng roots

A technology of distant hybridization and rice seeds, applied in the fields of botanical equipment and methods, applications, plant genetic improvement, etc., can solve the problems of difficult success and achieve the effect of stable traits of offspring

Inactive Publication Date: 2017-12-22
吴振早
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]The existing rice breeding methods generally use pollen as the male parent for cross breeding, but distant hybridization with pollen as the male parent is extremely difficult to succeed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Build multiple equidistant ridges in the paddy field, and the tops of the ridges should be exposed to the water surface in the shape of dry land. Rice plants are planted with water in the ridges, and Panax notoginseng is planted on the ridges. "Wandao 64" is a hybrid seed made by crossing the male parent) and Panax notoginseng with a row spacing of 40 centimeters. During the growth process, the root system of the rice plant and the root system of the Panax notoginseng plant will fuse together when they intersect each other; The rice seed whose plant color turns purple is selected as the selection object, and the rice seed whose color turns purple is a hybrid rice species fused with root cells of rice and Panax notoginseng.

[0013] "Six Nine One" late-medium-maturing rice variety, see "Hubei Agricultural Sciences" 1973 04 issue. "Wandao 64" is a late japonica variety bred in 1997 by the Rice Institute of Anhui Academy of Agricultural Sciences through systematic selectio...

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Abstract

The invention relates to a method using fusion and distant hybridization of paddy rice and panax notoginseng root systems to breed paddy rice seeds. The method includes the steps of A, fusing the root systems, to be more specific, planting paddy rice in a paddy field, planting panax notoginseng in a dry field, wherein the line spacing of the paddy rice and the panax notoginseng is 30-50cm, and the root system cells of the paddy rice and the panax notoginseng integrally fuse during the growth of the root systems of the paddy rice and the root systems of the panax notoginseng; B, selecting seeds, to be more specific, selecting the paddy rice seeds whose paddy rice plants turn into purple as the hybrid paddy rice seeds. The method has the advantages that the offspring of the hybrid paddy rice seeds bred by the method is stable in characters and free of separation, the paddy rice plants of the hybrid paddy rice seeds are developed in root system and high in tillering ability, and trial planting shows that yield per mu of two years can reach 900-1000 kilograms.

Description

technical field [0001] The invention relates to the field of rice breeding methods. Background technique [0002] The existing rice breeding methods generally use pollen as the male parent to carry out cross breeding, but the distant hybridization using pollen as the male parent is extremely difficult to succeed. Contents of the invention [0003] The existing rice breeding methods generally use pollen as the male parent to carry out hybrid breeding, but distant hybridization is extremely difficult to succeed in hybridization with pollen as the male parent, and provide a method for cultivating rice species by fusing the root system of rice and Panax notoginseng . [0004] Method of the present invention is: [0005] The root system of rice is fused with the root system of Panax notoginseng to breed rice species. [0006] Breeding methods are: [0007] A. Root fusion: plant rice plants in paddy fields, plant Panax notoginseng in dry land, the row spacing of rice and Pan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 吴振早
Owner 吴振早