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Method for selectively breeding multi-resistant black soybean varieties

A technology for black soybeans and varieties, applied in the field of soybean disease and insect resistance breeding, can solve the problems of monoclonal antibodies of soybean varieties and less resistance to various diseases and insect pests, and achieve the effects of increasing yield, good resistance and reducing pollution

Active Publication Date: 2016-10-26
安徽爱家食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are more monoclonal antibodies in soybean varieties in my country, and fewer varieties resistant to various diseases and insect pests. There are few reports on the resistant black soybean varieties that can resist various diseases and insect pests.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 1) The high-yield and high-quality black soybean variety Longheidou No. 2 was used as the recurrent parent (variety R), and the variety Hefeng 29 (variety A) with high resistance to soybean gray spot and the variety Jinong 32 (variety A) with high resistance to soybean mosaic virus were used as recurrent parents. Variety B), Jilin 16 (variety C) with high resistance to borer moth, Changnong 20 (variety D) with high resistance to soybean downy mildew, and Kangxian 1 (variety E) with high resistance to cyst nematode disease, and 5 hybrid F 1 , respectively with F 1 -A, F 1 -B,F 1 -C, F 1 -D, F 1 -E means;

[0019] 2) Plant F 1 -A, F 1 -B,F 1 -C, F 1 -D, F 1 -E each 10 plants, self-bred to get F 2 Generation Seed F 2 -A, F 2 -B,F 2 -C, F 2 -D, F 2 -E, to F 2 -A, F 2 -B,F 2 -C, F 2 -D, F 2 - Screen the seed coat color of the E seeds, select 40 grains showing black seed coat traits for planting, and identify the types of pests and diseases resistant to e...

Embodiment 2

[0027] 1) Nannong 26, a high-yield and high-quality black soybean variety, was used as the recurrent parent (variety R), and it was combined with Hefeng 29 (variety A) with high resistance to soybean gray spot disease and Jinong 32 (variety B) with high resistance to soybean mosaic virus disease. ), Jilin 16 (variety C) with high resistance to borer moth, Changnong 20 (variety D) with high resistance to soybean downy mildew, and Kangxian 1 (variety E) with high resistance to cyst nematode disease, and 5 hybrids were obtained f 1 , respectively with F 1 -A, F 1 -B,F 1 -C, F 1 -D, F 1 -E means;

[0028] 2) Plant F 1 -A, F 1 -B,F 1 -C, F 1 -D, F 1 -E each 10 plants, self-bred to get F 2 Generation Seed F 2 -A, F 2 -B,F 2 -C, F 2 -D, F 2 -E, to F 2 -A, F 2 -B,F 2 -C, F 2 -D, F 2 - Screen the seed coat color of the E seeds, select 40 grains with black seed coat traits for planting, and identify the types of pests and diseases resistant to each combination, and ...

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Abstract

The invention discloses a method for selectively breeding multi-resistant black soybean varieties, and belongs to the field of technologies for breeding disease-resistant and insect-resistant soybeans. The method has the advantages that high-yield and high-quality black soybean varieties No.2 Longhei soybeans or Nannong 26 are used as recurrent parents and are respectively subjected to hybridization and back-crossing with varieties with high resistance to soybean frogeye leaf spot, mosaic viruses, soybean moths, downy mildew and cyst nematode diseases, accordingly, five disease-resistant and insect-resistant near-isogenic lines with ability of highly resisting corresponding diseases and insect pests and agronomic and yield traits highly consistent with agronomic and yield traits of the recurrent parents can be bred, and are further hybridized and polymerized in pairs, and the multi-resistant black soybean varieties can be bred, have the excellent agronomic and yield traits of the recurrent parents and can resist five types of diseases and insect pests including the soybean frogeye leaf spot, the mosaic viruses, the soybean moths, the downy mildew and the cyst nematode diseases.

Description

technical field [0001] The invention specifically relates to a method for breeding a multi-resistant black soybean variety, and belongs to the technical field of soybean disease-pest-resistant breeding. Background technique [0002] Soybean is native to China. It is a leguminous crop whose seeds are rich in plant protein and fat. Soybean has a wide range of uses. It is often used to extract soybean oil, make various soybean products and extract protein. The by-products after oil extraction Soybean meal is the most important protein raw material for the feed industry. Black soybean is a kind of soybean, which is rich in nutrition, contains protein, fat, vitamins, trace elements and other nutrients, and also has a variety of biologically active substances, such as black soybean pigment, black soybean polysaccharide and isoflavones. Black beans can lower cholesterol and replenish kidney qi. Black beans are a good product for skin beauty. In addition to the kidney meridian of ...

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 章清杞陈幼玉温凤英江英施晓棠张云燕杨帆
Owner 安徽爱家食品有限公司
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