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A kind of botanical fungicide for soybean root rot and preparation method thereof

A plant-derived fungicide and a technology for soybean root rot, applied in the field of pesticides, can solve the problems of complex fungicides formulations and weak targeting, achieve obvious economic and social benefits, improve quality, and prevent soybean root rot.

Active Publication Date: 2016-10-05
JILIN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fungicide formula is complex and has a broad spectrum, so the pertinence is relatively weak
In addition, the plant extracts that inhibit phytopathogenic fungi in relevant literature are mostly extracted with organic solvents, and the products include the cost of using ethanol and adverse effects on the environment

Method used

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  • A kind of botanical fungicide for soybean root rot and preparation method thereof
  • A kind of botanical fungicide for soybean root rot and preparation method thereof
  • A kind of botanical fungicide for soybean root rot and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 10Kg of the traditional Chinese medicine Kochia scoparia and put it into a container, add 40L of water, soak at 4-10°C for 24-36h, filter, and concentrate the filtrate. Take 1.2Kg of traditional Chinese medicine white fresh skin and put it into a heat-resistant container, add 10L of water, soak at room temperature for 2-3h, heat to boil, simmer for 40-60min, filter, add 3.5-4.5L of water to decoct the residue, repeat 3 times , the combined three filtrates were concentrated. Add 6.7L of ethanol and 0.3L of Tween-80 to 23L of the water extracts of the two kinds of traditional Chinese medicines after mixing, and mix evenly to obtain 30L of the product.

Embodiment 2

[0019] Take 10Kg of the traditional Chinese medicine Kochia scoparia and put it into a container, add 50L of water, soak at 4-10°C for 24-36h, filter, and concentrate the filtrate. Take 2.6Kg of traditional Chinese medicine white fresh skin into a heat-resistant container, add 20L of water, soak at room temperature for 2-3h, heat to boil, simmer for 40-60min, filter, add 6-8L of water to decoct the residue, repeat 3 times , the combined three filtrates were concentrated. Add 7.0L of ethanol and 0.4Kg of sodium dodecylbenzenesulfonate successively to 23L of the water extracts of the two traditional Chinese medicines after mixing, and mix evenly to obtain 30L of the product.

Embodiment 3

[0021] Take 10Kg of Kochia scoparia, a traditional Chinese medicine, and put it into a container, add 50L of water, soak at 4-10°C for 24-36, then filter, and concentrate the filtrate. Take 4.4Kg of traditional Chinese medicine white fresh skin into a heat-resistant container, add 45L of water, soak at room temperature for 3-4h, heat to boil, then simmer for 40-60min, filter, add 15-20L of water to decoct the residue, repeat 3 times, The combined three filtrates were concentrated. Add 6.6L of ethanol and 0.4L of Tween-80 to the 23L water extracts of the two traditional Chinese medicines after mixing, and mix evenly to obtain 30L of the product.

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Abstract

A botanical fungicide for soybean root rot and a preparation method thereof. The botanical fungicide of the present invention is composed of Kochia chinensis water extract, dictia chinensis water extract, ethanol, and a mixture of surfactants, wherein Kochia scoparia The extract is the water extract that is concentrated to 1 / 6-1 / 4 of the original volume after 5-6 times of water extraction, and the extract of white fresh skin is concentrated to 1 / 4 of the original volume after 8-10 times of water extraction. 8-1 / 4 times the water extract, the mixture consists of 20-35 parts by weight of the Kochia scoparia extract, 4-10 parts by weight of the fresh bark extract, 15-30 parts by weight of ethanol, and 1-3 parts by weight of the surfactant , mixed composition. The beneficial effect of the present invention is that based on the traditional Chinese medicine extract, it can effectively prevent and control soybean root rot, improve quality, prevent and control pests, and have multiple functions such as no pollution.

Description

technical field [0001] The invention belongs to pesticides, in particular to a botanical fungicide for inhibiting soybean root rot fungus. Background technique [0002] Soybean root rot is a global soybean root disease, mainly including Fusarium root rot, Pythium root rot and Phytophthora root rot. In recent years, with the expansion of soybean cultivation area, the occurrence and spread of soybean root rot has gradually increased. In all soybean cultivation areas in my country, local areas have suffered serious damage, often resulting in lack of seedlings and reduced production in the field. The pathogen of soybean root rot is the fungus of the subphylum Auteromycotina - Fusarium orthorosclerosis and Rhizoctonia solani. The pathogenic bacteria overwinter in the soil and in the diseased plants, and can saprophyte in the soil, becoming the source of disease infection. When the environment is suitable, the overwintering pathogen directly invades the seedlings, causing root ro...

Claims

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Application Information

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IPC IPC(8): A01N65/36A01P3/00
Inventor 赵成爱韩璐马炳阳张淼
Owner JILIN AGRICULTURAL UNIV
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