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Insecticidal composition containing thiamethoxam

An insecticidal composition and the technology of the composition are applied in the direction of biocides, biocides, animal repellents, etc., which can solve the problems of reduced drug efficacy, high cost, and low price, and achieve obvious synergistic effect and low cost of use. Low, reasonable composition effect

Inactive Publication Date: 2009-03-18
安徽华信国际控股股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Due to the high cost of thiamethoxam, after large-scale and long-term application, it may also produce different degrees of resistance to certain pests like imidacloprid, which will significantly reduce the efficacy of the drug and fail to achieve the purpose of control
However, pyridazinate, malathion, and phoxim are large-tonnage products in China, and their prices are relatively low, but their control range is not wide

Method used

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  • Insecticidal composition containing thiamethoxam
  • Insecticidal composition containing thiamethoxam
  • Insecticidal composition containing thiamethoxam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Weigh 2% thiamethoxam, 38% pyridazinphos, 20% toluene, 10% emulsifier, 2% CMC and 4% ethylene glycol, and make up to 100% by weight with water. According to the general processing steps of water-emulsion preparations, the original drug, solvent and emulsifier are mixed together to form the oil phase, and other components are dissolved in the water phase. Using high-shear emulsification method, the oil phase is poured into the water phase and stirred at high speed. A 40% thiamethoxam·pyridazinthion emulsion in water was prepared.

[0034] In this implementation, the weight ratio of thiamethoxam and pyridazinphos can be changed between 1:1-100 (eg 1:1, 1:6, 1:9, 1:19, 1:80, 1:100) Form a new example.

[0035] It is also possible to replace pyridazinphos with malathion and phoxim to form new embodiments.

Embodiment 2

[0037] Weigh 1% thiamethoxam, 29% pyridazinfos, 10% emulsifier, 1% penetrating agent, toluene to make up to 100% by weight, stir and dissolve until mixed evenly to obtain 30% thiamethoxam pyridazinphos EC .

[0038] In this embodiment, the ratio of thiamethoxam to pyridazinate can be changed between 1:1-100 (such as 1:1, 1:3, 1:5, 1:10, 1:80, 1:100) to form new embodiment.

[0039] It is also possible to replace pyridazinthion with phoxim or malathion to form new embodiments.

Embodiment 3

[0041] Weigh 10% thiamethoxam, 20% malathion, 3% white carbon black, 5% dispersant, 4% wetting agent, 5% urea, 2% soluble starch, and make up to 100% with bentonite. 30% thiamethoxam·pyridazinate water dispersible granules are prepared by the steps of superfine pulverization, mixing and granulation of the above raw materials.

[0042] In this embodiment, the weight ratio of thiamethoxam to malathion varies between 1:100 to form a new embodiment.

[0043] It is also possible to replace malathion with phoxim or pyridazinate to form new embodiments.

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Abstract

The invention relates to a pesticide combination, comprising a compound which consists of the neonicotine pesticide thiamethoxam and at least one pesticide selected from organophosphorus pesticides of pyridaphethione, malathion and phoxim; the compound can be processed into aqueous emulsion, water dispersible granule and suspension emulsion. The field experiment of the pesticide compound of the invention for treating different objects proves that the killing efficiency is high and the preventing and controlling scope is very wide, therefore, the invention can effectively prevent and control main pests such as rice borer, rice plant hopper, cotton aphid, apple aphid, diamond-back moth, European red mite, orange coccid, pieris rapae, bemisia tabaci and the like.

Description

technical field [0001] The invention relates to an insecticidal composition, in particular to an insecticidal composition of a neonicotinoid insecticide thiamethoxam and an organophosphorus insecticide. Background technique [0002] The neonicotinoid insecticide thiamethoxam is one of the latest generation of high-efficiency broad-spectrum insecticides developed by Novartis and launched in 1997. Its chemical name is 3-(2-chloro-1,3-thiazole-5 -Methyl)-5-methyl-N-nitroimine 1,3,4-didumidazine, the foreign trade name is Actam or Adage. The structural formula is: [0003] [0004] Although the mechanism of action is similar to that of imidacloprid first-generation neonicotinoid insecticides, they both act on the acetylcholine receptors on the post-synaptic membrane of the pest nervous system, block nerve conduction, have contact killing and stomach poisoning effects on pests, and have good systemic absorption It has a significant poisoning effect on a variety of pests, esp...

Claims

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Application Information

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IPC IPC(8): A01N51/00A01N57/16A01N57/12A01N57/14A01P7/00
Inventor 王思让汪贵艳刘成社朱永玲汪志稳
Owner 安徽华信国际控股股份有限公司
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