Amorpha fruticosa plant miticide and preparation method thereof

The technology of amorpha and acaricides is applied in the field of pesticides and its preparation, which can solve problems such as no reports on botanical acaricides, and achieve the effects of being difficult to drug resistance, being beneficial to industrialized production, and having a significant acaricidal effect.

Inactive Publication Date: 2009-12-09
BEIJING UNIV OF AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research objects of botanical pesticides are mainly insects, and there is almost no research on mites; in the current domestic re

Method used

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  • Amorpha fruticosa plant miticide and preparation method thereof
  • Amorpha fruticosa plant miticide and preparation method thereof
  • Amorpha fruticosa plant miticide and preparation method thereof

Examples

Experimental program
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Example Embodiment

[0064] Example 1:

[0065] Wash the whole Brucea javanica plant, dry it in the shade in a ventilated place, grind it and pass it through a 40-60 mesh sieve; put the pulverized plant powder into a multifunctional extraction tank, extract it with petroleum ether 5 times the volume of the plant powder, and collect The petroleum ether extract phase was concentrated under reduced pressure to obtain an extract; 15kg of the extract was added to 70kg of toluene, added to a mixing kettle with a stirrer and a thermometer, mixed for 1.5 hours at 50°C, and 3kg of Tween (polysorbate) was added , 4 kg of 6-vinyl decanal, 2.5 kg of sodium lauryl sulfate, 1.5 kg of benzyl phenol polyoxyethylene ether, and mixed uniformly to obtain the whole plant Brucea javanica extract acaricide emulsifiable concentrate.

Example Embodiment

[0066] Example 2:

[0067] Wash the whole pig tooth soap, dry it in the shade in a ventilated place, grind it and pass it through a 40-60 mesh sieve; put the pulverized plant powder into a multifunctional extraction tank, extract with 5 times the volume of the plant powder petroleum ether, and collect The petroleum ether extract phase was concentrated under reduced pressure to obtain an extract; 15kg of the extract was added to 70kg of toluene, added to a mixing kettle with a stirrer and a thermometer, mixed for 1.5 hours at 50°C, and 3kg of Tween (polysorbate) was added , 4 kg of 6-vinyl decanal, 2.5 kg of sodium lauryl sulfate, 1.5 kg of benzyl phenol polyoxyethylene ether, and mixed uniformly to obtain the whole plant extract of pig tooth soap acaricide emulsifiable concentrate.

Example Embodiment

[0068] Example 3:

[0069] Wash the whole amorpha plant, dry it in the shade in a ventilated place, grind it and pass it through a 40-60 mesh sieve; put the pulverized plant powder into a multifunctional extraction tank, and extract it with petroleum ether 5 times the volume of the plant powder. Collect the petroleum ether extract and concentrate under reduced pressure to obtain the extract; take 15kg of the extract and add 70kg of toluene, add it to a mixing kettle with a stirrer and a thermometer, mix for 1.5 hours at 50°C, add Tween (polysorbate) 3 kg, 4 kg of 6-vinyl decanal, 2.5 kg of sodium lauryl sulfate, 1.5 kg of benzyl phenol polyoxyethylene ether, and mixed uniformly, to obtain the whole avocado extract acaricide emulsifiable concentrate.

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Abstract

The invention relates to a plant miticide suitable for controlling mite of economic crops such as fruit trees, vegetables and the like and a preparation method and application thereof. The plant miticide is prepared by adding a surfactant, an emulsifying agent, a penetrating agent, a synergist and the like into effective parts of plant amorpha fruticosa, and has the characteristics of high efficiency, low toxicity, low residues, accordance with the environment and the like.

Description

[0001] The patent application of the present invention is a divisional application, the original application number is 200710119721.4, the application date is July 31, 2007, and the invention name is botanical acaricide of Brucea javanica, pig tooth soap or amorpha fruticosa and its preparation method. technical field [0002] The invention relates to a pesticide and a preparation method thereof, in particular to a botanical acaricide and a preparation method thereof. Background technique [0003] Herbivorous mites are important pests in agricultural production. They have a wide distribution range, many harmful hosts, a large area of ​​occurrence, and strong drug resistance. They cause serious losses to agricultural production and are difficult to control. The negative effects of chemical control are well known. At present, the research objects of botanical pesticides are mainly insects, and there is almost no research on mites; in the current domestic research of the same t...

Claims

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Application Information

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IPC IPC(8): A01N65/20A01P7/02
Inventor 王有年师光禄王海香申照静
Owner BEIJING UNIV OF AGRI
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