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A kind of multifunctional rice three-line male sterile line breeding method

A technology of three-line sterile line and multifunctional rice, which is applied in the field of breeding of multifunctional rice three-line sterile line, can solve the problem of low water-soluble protein content, and achieve good nutritional and health effects, agronomic traits and yield traits Excellent, gut-health-enhancing effects

Inactive Publication Date: 2015-11-18
湖南鑫盛华丰种业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the varieties reported so far are all rich in 1-2 kinds of functional components, rice varieties rich in multiple functional components are relatively rare, especially rich in resistant starch, cellulose and vitamin A at the same time, and low in water-soluble protein content There are no reports on the functional special rice varieties that have the functions of lowering blood sugar, blood fat and weight loss, and are suitable for kidney disease and diabetes patients.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1) Select high resistant starch content functional rice variety "Jiangtangdao No. 1" (A), low water-soluble protein rice variety "LGC21" (B), high-cellulose rice variety "Shuiyuan 464" (C), rich The special rice "Zibao Xiangnuo 1" (D) containing natural vitamin A was used for hybridization A / B and C / D to obtain hybrid F 1 Substituted by F 1-AB and F 1-CD express;

[0023] 2) Planting hybrid F 1 generation, crossed F at flowering stage 1-AB / F 1-CD , have to resubmit F 1 , with F 1-ABCD express;

[0024] 3) Plant F 1-ABCD , F 2-ABCD , planting F 2-ABCD , a group of 2000 plants, harvest seeds from a single plant at maturity, measure the content of resistant starch, water-soluble protein, cellulose, and vitamin A, and screen to retain the content of resistant starch, cellulose, and vitamin A that are high in water-soluble low protein F 2-ABCD Single seed (F 3-ABCD ) 20 copies;

[0025] 4) Strain planting 3) F obtained by screening 3-ABCD , Investigate each l...

Embodiment 2

[0034] 1) Select high resistant starch content functional rice variety "Jiangtangdao No. 1" (A), low water-soluble protein rice variety "LGC21" (B), high-cellulose rice variety "Shuiyuan 464" (C), rich The special rice "Zibao Xiangnuo 1" (D) containing natural vitamin A was used for hybridization A / B and C / D to obtain hybrid F 1 Substituted by F 1-AB and F 1-CD express;

[0035] 2) Planting hybrid F 1 generation, crossed F at flowering stage 1-AB / F 1-CD , have to resubmit F 1 , with F 1-ABCD express;

[0036] 3) Plant F 1-ABCD , F 2-ABCD , planting F 2-ABCD , a group of 2000 plants, harvest seeds from a single plant at maturity, measure the content of resistant starch, water-soluble protein, cellulose, and vitamin A, and screen to retain the content of resistant starch, cellulose, and vitamin A that are high in water-soluble low protein F 2-ABCD Single seed (F 3-ABCD ) 20 copies;

[0037] 4) Strain planting 3) F obtained by screening 3-ABCD , Investigate each l...

Embodiment 3

[0046] 1) Select high resistant starch content functional rice variety "Jiangtangdao No. 1" (A), low water-soluble protein rice variety "LGC21" (B), high-cellulose rice variety "Shuiyuan 464" (C), rich The special rice "Zibao Xiangnuo 1" (D) containing natural vitamin A was used for hybridization A / B and C / D to obtain hybrid F 1 Substituted by F 1-AB and F 1-CD express;

[0047] 2) Planting hybrid F 1 generation, crossed F at flowering stage 1-AB / F 1-CD , have to resubmit F 1 , with F 1-ABCD express;

[0048] 3) Plant F 1-ABCD , F 2-ABCD , planting F 2-ABCD , a group of 2000 plants, harvest seeds from a single plant at maturity, measure the content of resistant starch, water-soluble protein, cellulose, and vitamin A, and screen to retain the content of resistant starch, cellulose, and vitamin A that are high in water-soluble low protein F 2-ABCD Single seed (F 3-ABCD ) 20 copies;

[0049] 4) Strain planting 3) F obtained by screening 3-ABCD In the flowering sta...

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Abstract

The invention particularly relates to a breeding method for a multifunctional rice three-line sterile line, belonging to the technical field of special rice breeding. The method comprises the following steps: selecting a rice variety A with high resistant starch content, a rice variety B with low water-soluble protein content, a rice variety C with high cellulose content and a rice variety D with high natural vitamin A content; performing hybrid and multi-cross polymerization as well as backcross breeding to breed the multifunctional rice three-line sterile line with excellent agronomic trait and yield trait, high resistant starch content, high cellulose content, high vitamin A content and low water-soluble protein content. Hybrid rice compounded by using the sterile line has high resistant starch content, high cellulose content, high vitamin A content and low water-soluble protein content, is suitable for patients with kidney diseases and diabetes, and has the health functions of reducing blood sugar and blood fat and losing weight.

Description

technical field [0001] The invention specifically relates to a multifunctional rice three-line male sterile line breeding method, which belongs to the technical field of special rice breeding. Background technique [0002] In recent years, the nutritional and health functions of rice have attracted more and more attention from consumers. Some special rices are favored by consumers because of their unique health effects on the human body. Jilin Provincial Academy of Agricultural Sciences has bred nutrient-rich black rice Longjin No. 1, Hongxiangnuo, Fenxiang Giant Embryo Nuo, Heitian No. 1, Hongtian No. 1, Baitian No. 1, Tiannuo No. 1, Hei Nuo No. 1 A series of new strains of special rice. Han Longzhi and others bred sweet black rice 1569, sweet red rice 1571, and red glutinous rice 1572. The functional rice Hypoglycemic Rice No. 1 produced by the "Green Giant" company has increased the content of resistant starch from 1% to 10%. Resistant starch is also known as functiona...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04
Inventor 章清杞陈幼玉黄荣华陈志伟杨帆李美德
Owner 湖南鑫盛华丰种业科技有限公司