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Method for breeding cyperus beans by cobalt 60 irradiation mutation

A technology for mutation breeding and cobalt in oleus bean, which is applied in the fields of botanical equipment and methods, plant genetic improvement, angiosperms/flowering plants, etc., to achieve the effects of increasing genetic heterogeneity, strong creativity, and shortening breeding years

Inactive Publication Date: 2019-01-11
GUANGDONG UNIV OF PETROCHEMICAL TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mutation breeding refers to the breeding method of using physical and chemical factors to induce the genetic characteristics of animals and plants to mutate, and then selecting individuals that meet people's certain requirements from the mutated population, and then cultivating them into new varieties or germplasm. Among them, cobalt radiation breeding As a fast and effective breeding method, it is widely used in the breeding and improvement of new plant varieties, but as a new type of oil crop, there has been no report on the application of cobalt 60 radiation breeding technology to bean.

Method used

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  • Method for breeding cyperus beans by cobalt 60 irradiation mutation
  • Method for breeding cyperus beans by cobalt 60 irradiation mutation
  • Method for breeding cyperus beans by cobalt 60 irradiation mutation

Examples

Experimental program
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Effect test

Embodiment 1

[0026] A kind of method for radiation mutagenic breeding of cobalt 60 of oily bean, comprising the steps of:

[0027] (1) Select the suitable parent of the oily bean: the oily bean must be representative, have some outstanding characters, and be suitable as the original source of provenance. Each portion of material is 1 kg, and it is sealed in a paper bag;

[0028] (2) Determination of radiation dose and time: Since cobalt-60 is a radioactive isotope and has a specific half-life, the corresponding time and dose rate at the corresponding point must be calculated according to its decay law to determine the time required for irradiation; fixed-point dose measurement, Repeat three times, and the dispersion is controlled within 5%; then determine the irradiation time according to the dose rate of the irradiation point;

[0029] (3) Seed treatment: dry the seeds before irradiation, which can not only dry the seeds, but also improve the permeability and facilitate water absorption, ...

Embodiment 2

[0037] A kind of method for the radiation mutagenic breeding of cobalt 60 of oily bean, the steps are:

[0038] (1) The parental seeds of Yousha bean have a higher oil content, which is 25.32%;

[0039] (2) After radiation mutagenesis, plant the first generation of mutagenesis (M1 seeds) in the field, select individual plants with excellent agronomic properties in the field, and determine the selected individual plants in combination with indoor oil content and other quality traits;

[0040] (3) The second generation of mutagenesis (M2 seeds) continues to be planted in the field, selected, and tested indoors to obtain seeds with high oil content, and harvest per plant according to the target traits;

[0041] (4) The harvested seeds are classified according to the target traits, and the seeds of individual plants with outstanding traits are planted in the field, and the individual plants are selected continuously according to the target traits until the target traits are stabiliz...

Embodiment 3

[0044] A kind of method for the radiation mutagenic breeding of cobalt 60 of oily bean, the steps are:

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Abstract

The invention discloses a method for breeding cyperus beans by cobalt 60 irradiation mutation, which is a technology for breeding a certain target property through irradiation mutation. The method comprises a series of processes of parent selection, irradiation dosage determination, irradiated descendant planting, field selection, comparison tests and the like. the variety with outstanding targetproperty can be bred by irradiating and directionally selecting a descendant material in the field, and the target of production and application can be achieved by demonstrated popularization. The method is applied to cyperus bean variety breeding for the first time to favor outstanding of the target property, and has remarkable advantages that the genetic heterogeneity of a target property can beimproved, and the breeding period can be remarkably shortened.

Description

technical field [0001] The invention belongs to the field of radiation mutation breeding of bean seeds, and specifically relates to a method for mutation breeding of bean cobalt 60 by radiation, and also relates to an application of cobalt 60 radiation mutation breeding of bean bean. Background technique [0002] Oil crops play an important role in the crop production in the world. my country is a big oil production and consumption country. With the development of the national economy, people's demand for vegetable oil, variety types and quality requirements are increasing day by day. The proportion and quantity of my country's oil and oil imports showing an increasing trend year by year. In 2017, my country imported 9.419 million tons of edible vegetable oil. In terms of raw materials, soybean imports exceeded 95 million tons, a record high. my country's dependence on edible oil imports was as high as 63.8%, far exceeding the internationally recognized safety warning line. ...

Claims

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Application Information

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IPC IPC(8): A01H1/06A01H1/04A01H5/10
CPCA01H1/04A01H1/06A01H5/10
Inventor 赵永国陆光远韩寒冰韦明肯张燕
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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