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Composite pesticide and preparation method thereof

An insecticide and emulsifier technology, which is applied in the field of compound insecticides and their preparation, can solve the problems of poor insecticidal effect, easy and rapid volatilization, etc., and achieves the effects of not easy to fast, not easy to volatilize, and excellent insecticidal effect.

Inactive Publication Date: 2016-10-12
曹正祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a compound insecticide and its preparation method, which solves the problem that the common compound insecticide is easy to volatilize quickly after spraying, resulting in poor insecticidal effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Mix 100g of neem tree root, 50g of chrysanthemum, 70g of ephedra and 30g of agaricus, boil in water (boiling time 2-5h), filter to obtain filtrate M; mix filtrate M, 150g of ethyl acetate, 10g of malathion , 5g of thickener and 1g of emulsifier were heated (heating temperature 60°C, time 20min) and stirred (stirring speed 200r / min) and mixed to prepare compound insecticide A1.

Embodiment 2

[0020] Mix 100g of neem tree root, 70g of chrysanthemum, 80g of ephedra and 50g of agaricus, boil it in water (boiling time 5h), and obtain the filtrate M after filtration; mix the filtrate M, 300g of ethyl acetate, 20g of malathion, 10g The thickener and 7g of emulsifier were heated (heating temperature 70°C, time 30min) and stirred (stirring speed 300r / min) and mixed to prepare compound insecticide A2.

Embodiment 3

[0022] Mix 100g of neem tree root, 60g of chrysanthemum, 75g of ephedra and 40g of agaricus, boil it in water (boiling time 3h), and obtain the filtrate M after filtration; mix the filtrate M, 200g of ethyl acetate, 15g of malathion, 8g The thickener and 4g emulsifier were heated (heating temperature 65°C, time 25min) and stirred (stirring speed 250r / min) and mixed to prepare compound insecticide A3.

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PUM

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Abstract

The invention discloses a composite pesticide and a preparation method thereof. The preparation method comprises the following steps: mixing chinaberry roots, chrysanthemum, ephedra stem and hairyvein agrimony, boiling the materials with water, filtering the materials to obtain a filtrate M; heating the filtrate M, ethyl acetate, malathion, a thickening agent and an emulsifier, stirring the materials, and mixing the materials to prepare the composite pesticide. The composite pesticide solves the problem that the common composite pesticides are easily and rapidly volatilized after being sprinkled, so that the insecticidal effect is poor.

Description

technical field [0001] The invention relates to insecticides, in particular to compound insecticides and a preparation method thereof. Background technique [0002] Compound insecticides refer to insecticides developed from secondary metabolites with agricultural biological activity produced by plants, animals, microorganisms, etc. Compared with traditional insecticides: compound insecticides are less toxic to mammals, and use Medium is relatively safe for humans and animals, and at the same time has less pressure on the environment, and is relatively safe for non-target organisms. However, common compound insecticides tend to volatilize quickly after spraying, resulting in poor insecticidal effect. [0003] Therefore, it is an urgent problem to be solved in the present invention to provide a compound insecticide that can effectively kill insects and is not easy to volatilize quickly after spraying and its preparation method. Contents of the invention [0004] The techni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/34A01N57/12A01P7/04
CPCA01N57/12A01N65/00A01N65/34A01N2300/00Y02A50/30
Inventor 曹正祥
Owner 曹正祥