Method for breeding rice varieties with yellow glumes and purple black seed coats

Abstract

The invention discloses a method for breeding rice varieties with yellow glumes and purple black seed coats, and belongs to the technical field of breeding of crops. According to the method, Yanzi 1#with purple black glumes and seed coats is taken as a female parent, Wuyujing 3# (with yellow glumes and white seed coats) is taken as a male parent, and the Yanzi 1# and the Wuyujing 3# are hybridized to form F1-generation rice grains with purple black glumes and seed coats; purple black glumes and yellow glumes of F2-generation group plants are separated, purple black seed coats and white seed coats of the F2-generation group plants are not separated, and separation of the purple black seed coats and the white seed coats is delayed and occurs after the F2-generation group plants are inherited to a F3 generation, so that only single plants simultaneously presenting characters of yellow glumes and purple black seed coats are screened from an F2-generation group and are continuously selfedto an F7 generation with stable characters, and a bred strain has the excellent properties of high yield and rice quality, strong lodging resistance and the like. Aiming at disadvantages that existingpurple rice is relatively low in per unit yield and relatively poor in taste and cannot meet market demands, the strain can be specially applied to production, food processing and the like of purpleblack rice.

Description

technical field [0001] The invention belongs to the technical field of rice breeding, and in particular relates to a rice variety breeding method with yellow glume and purple-black seed coat. Background technique [0002] Colored rice is rice that emphasizes that its functional components can fully display the body's defense function, regulate circadian rhythm, prevent disease and promote recovery. Purple rice is an important colored rice. It presents a purple-black color. Studies have found that anthocyanins belong to flavonoids, which have natural antioxidant capacity and can delay the aging of the human body and repair the body, making purple rice a hot research area. [0003] Compared with white rice, purple rice not only contains richer anthocyanins, but also contains essential amino acids, cellulose, calcium, iron, zinc and other trace elements, as well as phytic acid, isovitexin, γ-oryzanol , sterols, octacosanol, squalene, GABA, vitamin E and more than 100 active su...

AI Technical Summary

Problems solved by technology

[0006] The invention is a method for breeding rice varieties with purple-black seed coats with yellow glumes and purple-black seed coats aimed at the problems of low yield per unit area and low lodging resistance of domestic purple-black rice. The purple-black rice varieties bred have high yield and low lodging resistance. Strong resistance, good rice quality and other characteristics, can meet the market's processing demand for purple rice

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