Breeding method for producing paddy rice with colorful rice producing function
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A technology for functional rice and colored rice, applied in the fields of botany equipment and methods, application, plant gene improvement, etc., can solve the problems of cumbersome procedures and high production costs, and achieve good benefits, simple production methods and high efficiency
Inactive Publication Date: 2012-07-04
FUJIAN AGRI & FORESTRY UNIV
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Problems solved by technology
At present, there are some "colorful rice" mixed with different types of rice on the market at home and abroad. The production method is to plant different types of rice separately, mill the rice, and then mix them mechanically in proportion. This method has a rather cumbersome process and high production cost
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Embodiment 1
[0024] a. Gold 23B / Qindao No. 2 → Jin 23B / f 1 →Using Jin 23B as the recurrent parent (female parent), select a single plant with black seed coat and other traits consistent with Jin 23B for pollination, and multi-generation backcross to breed a maintainer line with black seed coat and other traits consistent with Jin 23B" Black Gold 23B".
[0025] b. Gold 23 A / "Black Gold 23B" → "Black Gold 23A".
[0026] c. Giant embryo rice MhgeR / Jingnuo 6→F 1 → F 2 Substituting brown rice to select brown rice with both giant embryo and waxy traits→F 3 Generation-F 6 The giant embryo waxy restorer line "giant embryo waxy R" was selected and bred by generation pedigree selection.
[0027] d. "Black Gold 23A" / "Juembryonuo R" → "Jinyouheijunuo 1" for production.
[0028] e. Plant "Jinyouheijunuo 1" in the field → harvest "colored rice" rice, and get "colored rice", including ordinary rice, black rice, glutinous rice, giant embryo rice, black glutinous rice, giant embryo g...
Embodiment 2
[0030] a. LongTe Pu B / Qindao No. 2 → Longtepu B / f 1 →Using Longtepu B as the recurrent parent (female parent), select a single plant with black seed coat and other traits consistent with Longtepu B for pollination, and multi-generation backcross to breed black seed coat and other traits similar to Longtepu B The consistent maintenance line of B is "Heilong Tepu B".
[0031] b. Longtop A / "Heilong Tepu B" → "Heilong Tepu A".
[0032] c. Giant embryo rice MhgeR / Jingnuo 6→F 1 → F 2 Substituting brown rice to select brown rice with both giant embryo and waxy traits→F 3 Generation-F 6 The giant embryo waxy restorer line "giant embryo waxy R" was bred by generation selection.
[0033] d. "Heilong Tepu A" / "Juembryonuo R" → "Teyou Heijunuo 1" for production.
[0034] e. Plant "Teyou Heijunuo No. 1" in the field → harvest "colored rice" rice, and get "colored rice", including ordinary rice, black rice, glutinous rice, giant embryo rice, black glutinous rice, giant...
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Abstract
The invention particularly relates to a breeding method for producing paddy rice with a colorful rice producing function and belongs to the field of special rice breeding. The breeding method comprises the following steps of: (1) selecting a three-line maintenance line B as a female parent to be hybridized with a black rice male parent, carrying out multi-generation backcrossing on the first filial generation and the maintenance line B, and breeding a maintenance line black B with black seed coats and with other properties the same as the maintenance line B; (2) using a sterile line A corresponding to the three-line maintenance line B to be hybridized with the maintenance line black B to produce a sterile line black A containing heterozygous black seed coat genes; (3) using the sterile line black A to be hybridized with a restore line endosperm R to produce first filial F1 generation seeds filial F1; and (4) using the first filial F1 generation seeds filial F1 as production seeds. Thebreeding method has the advantages that hybridized paddy rice seeds capable of being directly used for producing colorful rice can be produced through the breeding method, and the functional colorfulrice can be produced through planting the seeds. The production method is simple, the efficiency is high, the benefits are good, and the produced rice is rich in various nutrition elements.
Description
Technical field [0001] The invention specifically involves a selection method with color -producing rice function rice, which belongs to the field of special rice breeding. Background technique [0002] In recent years, the selection of specific rice rice rice has been valued by breeding workers in various countries.my country has rich special rice species resources, such as black rice rice, purple rice, glutinous rice, giant embryo rice, incense rice, etc. These special rice are highly nutritious. Unique effect.For example, giant embryo rice is rich in γ-aminocyl acid, and black rice contains anthocyanins, carotene and strong heartoside.At present, there are some "colorful rice" sales that are mixed with different types of rice in the domestic and foreign markets. The production method is to make different types of rice planting and production, and then mixes according to proportion.The production cost is high. Invention content [0003] The purpose of the present invention is ...
Claims
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Application Information
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