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Woody Elsholtzia stauntoni vegetal acaricide and preparation method

A plant-based acaricide and woody technology, applied in the field of plant-based acaricide and its preparation, can solve the problems of pest resistance, unreported, pesticide residues, etc., and achieve the benefits of industrial production, chemical pesticide effectiveness, extraction simple and easy effects

Inactive Publication Date: 2014-03-26
BEIJING UNIV OF AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Extensive use of chemical pesticides to control their hazards has resulted in environmental pollution, pesticide residues and resistance of pests
At present, the research objects of botanical pesticides are mainly insects, and there is almost no research on mites; in the same kind of research in China, many botanical insecticide products have come out, but the pesticide products of botanical acaricides have not. See the report

Method used

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  • Woody Elsholtzia stauntoni vegetal acaricide and preparation method
  • Woody Elsholtzia stauntoni vegetal acaricide and preparation method
  • Woody Elsholtzia stauntoni vegetal acaricide and preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0065] Wash the whole plant of lemon mint, dry in the shade in a ventilated place, grind 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 Petroleum ether extract phase, concentrated under reduced pressure to obtain the extract; take 15kg of the extract, add 45kg of toluene into a mixing kettle with a stirrer and a thermometer, mix for 1.5 hours at 40°C, add 0.8kg of sodium stearate, 3.5kg of sodium stearate Tween 80, 0.9 kg of tea saponin and 0.8 kg of azone were mixed uniformly to obtain the acaricide emulsifiable concentrate of whole plant extract of lemon mint.

Embodiment 2

[0067] Wash the whole peppermint 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 Petroleum ether extract phase, concentrated under reduced pressure to obtain the extract; take 15kg of the extract, add 45kg of toluene into a mixing kettle with a stirrer and a thermometer, mix for 1.5 hours at 40°C, add 0.8kg of sodium stearate, 3.5kg of sodium stearate Tween 80, 0.9 kg of tea saponin and 0.8 kg of azone were mixed uniformly to obtain the acaricide emulsifiable concentrate of the whole plant extract of peppermint.

Embodiment 3

[0069] Wash the whole plant of Rhizoma chinensis, 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, add 45 kg of toluene into a mixing kettle with a stirrer and a thermometer, mix for 1.5 hours at 40 ° C, add 0.8 kg of sodium stearate, 3.5 kg Tween 80, tea saponin 0.9kg and azone 0.8kg, mixed evenly to obtain the acaricide emulsifiable concentrate of the whole plant extract of A.

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Abstract

The invention relates to a woody Elsholtzia stauntoni vegetal acaricide applicable for preventing and curing mites on fruit trees, vegetables and other cash crops as well as a preparation method and application. The woody Elsholtzia stauntoni vegetal acaricide applicable is prepared by adding surfactant, emulsifier, penetrant, synergist and the like to the effective part of plant woody Elsholtzia stauntoni, and has the characteristics of high effectiveness, low toxicity, low residue, environment-friendly, etc.

Description

[0001] The patent application of the present invention is a divisional application, the original application number is 200710119722.9, the application date is July 31, 2007, and the invention name is lemon mint, peppermint or woody sage vegetal acaricide 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 agriculture and forestry ecology, and their occurrence in agriculture and forestry production has become more serious in recent years. Extensive use of chemical pesticides to control their hazards has resulted in environmental pollution, pesticide residues and pesticide resistance of pests. At present, the research objects of botanical pesticides are mainly insects, and there is almost no research on mites; in the same kind of research in China, many botanical i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/22A01P7/02
Inventor 王有年师光禄杜艳丽任建军
Owner BEIJING UNIV OF AGRI
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