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Botanical fungicide extracted from Chinese herbal medicine

A technology of botanical fungicides and Chinese herbal medicines, applied in the field of pesticides, can solve the problems of insignificant bactericidal effect, single active ingredients, and unreasonable compatibility, and achieve remarkable bactericidal effects, scientific and reasonable compatibility, and good broad-spectrum effects

Active Publication Date: 2016-04-13
CHIFENG SHUAIQI PESTICIDES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The botanical fungicides in the prior art are all formulated from one or more Chinese herbal medicine extracts and auxiliary agents. The disadvantages are often single medicinal ingredients, poor broad-spectrum, or unreasonable compatibility, and the bactericidal effect is not significant.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: A botanical fungicide combined and extracted from Chinese herbal medicines. Its active ingredients are combined and extracted from the following Chinese herbal medicines in parts by weight: 25 parts of Sophora flavescens, 38 parts of Dandelion, 65 parts of chamaejasma chamaejasma, and 28 parts of Artemisia ascaris , Galla 18 parts. Dry and pulverize all kinds of Chinese herbal medicines, soak them in ethanol for 5 hours, carry out cyclic extraction 5 times, extract 50 minutes each time, remove the medicinal residues, place the extracts in a rotary evaporator for vacuum concentration, and add the fatty alcohol polysaccharides to the concentrated solution. The pesticide adjuvant composed of oxyethylene ether and sodium benzoate, and the liquid preparation prepared by uniform stirring is exactly the botanical fungicide combined and extracted from Chinese herbal medicines of the present invention. Wherein, the weight percent of the pesticide adjuvant in the liqui...

Embodiment 2

[0018] Embodiment 2: A botanical fungicide combined and extracted from Chinese herbal medicines. Its active ingredients are combined and extracted from the following Chinese herbal medicines in the following proportions by weight: 22 parts of Sophora flavescens, 45 parts of Dandelion, 60 parts of chamaema chamaejasme, and 35 parts of Artemisia ascaris , Galla 15 parts. Dry and pulverize various Chinese herbal medicines, soak them in ethanol for 3 hours, carry out cyclic extraction 6 times, extract 60 minutes each time, remove the medicinal residues, place the extract in a rotary evaporator for vacuum concentration, and add unylphenol to the concentrate The pesticide adjuvant composed of polyoxyethylene ether and sodium benzoate, and the liquid preparation prepared by uniform stirring is the botanical fungicide combined and extracted from Chinese herbal medicines of the present invention. Wherein, the weight percentage of the pesticide adjuvant in the liquid preparation is 8%, ...

Embodiment 3

[0019] Example 3: A botanical fungicide combined and extracted from Chinese herbal medicines. Its active ingredients are combined and extracted from the following Chinese herbal medicines in the following proportions by weight: 28 parts of Sophora flavescens, 25 parts of Dandelion, 70 parts of chamaemachamae, and 25 parts of Artemisia ascaris , 25 copies of Galla. Dry and pulverize various Chinese herbal medicines, soak them in ethanol for 6 hours, carry out cyclic extraction 3 times, extract 45 minutes each time, remove the medicinal residues, place the extract in a rotary evaporator for vacuum concentration, and add Tween 80 to the concentrate The pesticide adjuvant composed of potassium sorbate, and the liquid preparation prepared by stirring evenly is the botanical fungicide combined and extracted by Chinese herbal medicine of the present invention. Wherein, the weight percentage of the pesticide adjuvant in the liquid preparation is 3%, and the weight ratio of each compon...

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PUM

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Abstract

The invention discloses a botanical fungiticide prepared by carrying out combined extraction on Chinese herbal medicines. The botanical fungiticide comprises the active ingredients prepared by carrying out combined extraction on the following Chinese herbal medicines in parts by weight: 20-30 parts of sophora flavescens, 20-50 parts of dandelion, 50-80 parts of radix euphorbiae lantu, 20-40 parts of seriphidium finitum and 10-30 parts of Chinese gall; a preparation method of the botanical fungiticide comprises the steps of drying all the Chinese herbal medicines, and then grinding; soaking the ground Chinese herbal medicines into ethyl alcohol for 2-8h; carrying out cycle extraction for 2-8 times, wherein the extraction is carried out for 40-60min each time; removing the residue of the medicines, putting the extracting solution into a rotary evaporator and carrying out vacuum concentration; after the solution is concentrated to the fixed volume, feeding pesticide adjuvant with the fixed volume, and evenly stirring to obtain the botanical fungiticide. The botanical fungiticide has the characteristics of being stable in preparation, remarkable in sterilizing effect, good in broad spectrum property and safe for people and livestock.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a botanical fungicide combined and extracted from Chinese herbal medicines. Background technique [0002] Botanical pesticides refer to pesticide preparations prepared from plants and plant extracts used to prevent and control pests and diseases. It not only has insecticidal and bactericidal effects, but also has a certain fertilizer effect, no residual toxicity and phytotoxicity, and no pollution. It is listed as a priority industry in the 21st century by the National Development Planning Commission and the Ministry of Science and Technology, and is recognized as an ideal green pesticide. [0003] The botanical fungicides in the prior art are all formulated from one or more Chinese herbal medicine extracts and auxiliary agents. The disadvantages are often single medicinal ingredients, poor broad-spectrum, or unreasonable compatibility, and insignificant bactericid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/20A01P1/00A01P3/00A01N63/02
Inventor 郭淑琴郭宏伟杨玉刚
Owner CHIFENG SHUAIQI PESTICIDES
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