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Plant source acaricide and preparation method thereof

A technology of source acaricide and plant, which is applied in the field of plant source acaricide and its preparation, can solve the problems of lack of synergistic effect of raw materials, targeted selection, etc., achieve good acaricidal effect, reduce loss, and extract Efficient effect

Inactive Publication Date: 2017-03-15
ZHENGZHOU SIBIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the formulations of the traditional Chinese medicine pesticides of the above two inventions were not selected according to the performance of each flavor of traditional Chinese medicine, and the raw materials did not have a synergistic effect.

Method used

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  • Plant source acaricide and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A plant-derived acaricide, comprising the following raw materials in parts by weight: 22 parts of castor, 35 parts of Sophora flavescens, 20 parts of burdock, 20 parts of Asarum, 20 parts of calamus, 15 parts of clove, 20 parts of turmeric, and Artemisia annua 15 parts, 5 parts of solvent, 1 part of emulsifier, 80 parts of water.

[0023] The solvent is ethyl acetate.

[0024] The emulsifier is made by compounding Nongru 600 and Tween-80 in a weight ratio of 1:10.

[0025] The preparation method of botanical acaricide comprises the following steps:

[0026] (1) Weigh castor and Sophora flavescens as raw materials, crush them to 80 mesh, add 5 times the weight and volume fraction of 75% ethanol solution to soak for 1 hour, ultrasonically extract once, filter and combine the filtrate, and concentrate under reduced pressure until the drug content is 1.2g / mL, to obtain the extract Ⅰ;

[0027] (2) Weigh the raw materials of burdock, asarum, calamus, clove, turmeric and Ar...

Embodiment 2

[0032] A plant-derived acaricide, comprising the following raw materials in parts by weight: 25 parts of castor, 32 parts of Sophora flavescens, 22 parts of burdock, 22 parts of Asarum, 19 parts of calamus, 16 parts of clove, 19 parts of turmeric, and Artemisia annua 16 parts, 6 parts of solvent, 2 parts of emulsifier, 85 parts of water.

[0033] The solvent is isopropanol.

[0034] The emulsifier is Nongru 600 and Tween-80 in a weight ratio of 1.5:10.

[0035] The preparation method of botanical acaricide comprises the following steps:

[0036] (1) Weigh castor and Sophora flavescens as raw materials, crush them to 90 mesh, add 6 times the weight and volume fraction of 80% ethanol solution to soak for 2 hours, ultrasonically extract twice, filter and combine the filtrates, and concentrate under reduced pressure until the drug content is 1.3g / mL, to obtain the extract Ⅰ;

[0037] (2) Weigh the raw materials of burdock, asarum, calamus, clove, turmeric and Artemisia annua, c...

Embodiment 3

[0042] A plant-derived acaricide, comprising the following raw materials in parts by weight: 28 parts of castor, 30 parts of Sophora flavescens, 24 parts of burdock, 24 parts of Asarum, 18 parts of calamus, 17 parts of clove, 18 parts of turmeric, and Artemisia annua 17 parts, 8 parts of solvent, 3 parts of emulsifier, 90 parts of water.

[0043] The solvent is ethylene glycol.

[0044] The emulsifier is Nongru 600 and Tween-80 in a weight ratio of 1:5.

[0045] The preparation method of botanical acaricide comprises the following steps:

[0046] (1) Weigh castor and Sophora flavescens as raw materials, crush them to 100 mesh, add 7 times the weight and volume fraction of 85% ethanol solution to soak for 1.5 hours, ultrasonically extract twice, filter and combine the filtrate, and concentrate under reduced pressure to the drug content 1.5g / mL, to obtain the extract Ⅰ;

[0047](2) Weigh the raw materials of burdock, asarum, calamus, clove, turmeric and Artemisia annua, crush...

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Abstract

The invention discloses a plant source acaricide. The plant source acaricide is characterized by being prepared from the following raw materials in parts by weight: 22 to 35 parts of castor-oil plant, 22 to 35 parts of lightyellow sophora root, 20 to 30 parts of fructus arctii, 20 to 30 parts of herba asari, 15 to 20 parts of rhizoma acori graminei, 15 to 20 parts of flos caryophylli, 15 to 20 parts of rhizoma curcumae longae, 15 to 20 parts of herba artemisiae annuae, 5 to 8 parts of solvent, 1 to 5 parts of emulsifying agent and 80 to 100 parts of water. A formula is selected from plants and has wide source and low cost; in addition, all the raw materials are complementary to each other, and good insecticidal efficacy is realized.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a botanical acaricide and a preparation method thereof. Background technique [0002] Botanical pesticides refer to pesticides that use biologically active plants or specific parts thereof, and rough process or extract their active ingredients to make preparations for the prevention and control of harmful organisms. As an important part of biopesticides, botanical pesticides are highly effective, low-toxic or non-toxic, low-residue, high-selectivity, it is generally difficult for harmful substances to develop resistance to them, and they are easy to mix with other pesticides. It has the advantages of low cost, no pollution to the environment, independent degradation pathway, and safety to humans and animals. It is widely valued by pesticide research and application departments all over the world, and it is an important aspect of pesticide research and development today. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/48A01P7/02
CPCA01N65/00A01N65/48A01N2300/00
Inventor 丁艺涵马新攀马成耀郭便荣
Owner ZHENGZHOU SIBIAN TECH CO LTD
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