Breeding method of three-line hybrid combination of colored rice

A hybrid combination and colored rice technology, which is applied in the field of breeding of colored rice three-line hybrid combination, can solve the problems of unfavorable processing and application of enterprises, inconvenient daily consumption of consumers, uneven quality and taste, etc., so as to facilitate cooking and eating And deep processing application, reduce the risk of promotion, the effect of uniform quality

Active Publication Date: 2020-06-12
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

Whether it is a conventional variety of colored rice or a hybrid variety, it is colored rice of a single color. The multicolored rice seen in the market is a mixture of various colored rices, which has the problem of uneven quality and taste, which is not only inconvenient for consumption It is not conducive to the processing and application of enterprises

Method used

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  • Breeding method of three-line hybrid combination of colored rice

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Embodiment 1

[0045] A method for breeding a colored rice three-line hybrid combination, the specific steps are as follows:

[0046] (1) Breeding of three-line maintainer lines and sterile lines of colored rice:

[0047] a) The colored rice C Zhongze Heizhen was used as the male parent, and the maintainer line B Tianfeng B was used as the female parent, and the offspring obtained were backcrossed 4 times with the female parent Tianfeng B to obtain BC 4 f 1 generation, BC 4 f 1 After generation selfing, harvest BC 4 f 2 the seed of the generation;

[0048] b) Observe 342 grains of BC 4 f 2 The brown rice appearance of the generation seeds, select 123 colored seeds for planting, select and retain the maintainer line B' in which the offspring brown rice presents the separation of colored and white traits when harvested 1 49 plants per plant;

[0049] c) Investigation of 49 maintainer lines B' 1 For the agronomic traits of a single plant, select 23 maintainer lines B' with the same pl...

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Abstract

The invention discloses a breeding method of three-line hybrid combination of colored rice. The method comprises the following steps: carrying out hybridization and backcross by taking colored rice Cas a male parent and a three-line maintainer line B as a female parent, and breeding a three-line maintainer line and a three-line sterile line of colored rice; carrying out hybridization and backcross by taking colored rice D as a male parent and a restorer line R as a female parent, and breeding a colored rice restorer line; screening heterosis, and screening based on rice quality, yield and resistance to obtain a new colored rice three-line hybrid combination; and finally, constructing a three-line hybrid system of colored rice. The method provides a natural five-color colored rice three-line hybrid rice, the rice is obviously different from conventional single-color colored rice conventional varieties or hybrid varieties produced at present, and changes a current situation that the so-called five-color rice is formed by mixing various colored rice in the market; and the rice has more complete nutrition and more uniform quality, and is beneficial to cooking and deep-processing applications.

Description

technical field [0001] The invention relates to the technical field of rice breeding, in particular to a breeding method for a three-line hybrid combination of colored rice. Background technique [0002] Colored rice refers to the color of brown rice, mainly black, purple, red, yellow, green and so on. Colored rice has become a healthy choice for many consumers because it has more complete nutrition and contains physiologically active substances that can prevent the occurrence of various chronic diseases. [0003] my country is rich in colored rice germplasm resources; there are not only conventional colored rice varieties, but also a small number of colored rice hybrid rice varieties, red rice such as Dianza 701, Jinnong 3you No. 3, Jinyouhong, Gaoyou Red 88, Yuyouhong 9, IIyou 132, Teyouhong 1256, black rice Ruheiyou No. 1. Whether it is a conventional variety of colored rice or a hybrid variety, it is colored rice of a single color. The multicolored rice seen in the mark...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 吴殿星章思妍陈霄雨
Owner ZHEJIANG UNIV
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