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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 research of the same type, many botanical insecticide products have come out, but the pesticide products of botanical acaricides are not. No report

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
Comparison scheme
Effect test

Embodiment 1

[0065] Wash the whole plant of Brucea javanica, dry it in the shade in a ventilated place, grind it and pass through a 40-60 mesh sieve; put the crushed plant powder into a multifunctional extraction tank, extract 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 the extract; 15 kg of the extract was added to 70 kg of toluene, added to a mixing kettle with a stirrer and a thermometer, mixed for 1.5 hours at 50 ° C, and 3 kg of Tween (polysorbate) was added , 6-vinyldecyl aldehyde 4kg, sodium lauryl sulfate 2.5kg, benzylphenol polyoxyethylene ether 1.5kg, mix homogeneously, obtain the whole plant extract of Brucea javanica acaricide emulsifiable concentrate.

Embodiment 2

[0067] Wash the whole pig tooth soap plant, dry it in the shade in a ventilated place, grind it and pass it through a 40-60 mesh sieve; put the crushed plant powder into a multifunctional extraction tank, extract 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 the extract; 15 kg of the extract was added to 70 kg of toluene, added to a mixing kettle with a stirrer and a thermometer, mixed for 1.5 hours at 50 ° C, and 3 kg of Tween (polysorbate) was added , 4kg of 6-vinyldecyl aldehyde, 2.5kg of sodium lauryl sulfate, 1.5kg of benzylphenol polyoxyethylene ether, mix homogeneously, obtain the whole plant extract acaricide emulsifiable concentrate of pig tooth soap.

Embodiment 3

[0069] Wash the whole plant of Amorpha fruticosa, dry it in the shade in a ventilated place, grind it and pass through a 40-60 mesh sieve; put the crushed plant powder into a multifunctional extraction tank, and extract it with petroleum ether with 5 times the volume of the plant powder. Collect the petroleum ether extract phase, concentrate under reduced pressure to obtain the extract; take 15 kg of the extract and add 70 kg 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) 3kg, 4kg of 6-vinyl decanal, 2.5kg of sodium lauryl sulfate, and 1.5kg of benzylphenol polyoxyethylene ether were mixed uniformly to obtain the acaricide emulsifiable concentrate of the whole plant extract of Amorpha fruticosa.

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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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