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Compound emulsion of dichlorphos and deltamethrin

A kind of technology of deltamethrin and dichlorvos, applied in the field of compound emulsifiable concentrate preparation

Inactive Publication Date: 2010-04-21
常华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the continuous repeated use in a growing period of crops, in some areas, the amount of use of many pests, especially the control of cotton bollworm, has dropped from the initial dilution of 10,000 times to more than 95% of the current use of 1,000 times. times and the control effect is less than 60%

Method used

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  • Compound emulsion of dichlorphos and deltamethrin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Example 1, a compound emulsifiable concentrate preparation of dichlorvos and deltamethrin, the active ingredients are dichlorvos and deltamethrin, and its weight ratio: take 210.9 kg of commercially available dichlorvos technical material with a content of 92.0%, and bromide with a content of 98% 6.1kg of cypropathrin, 40kg of 2201 emulsifier, 40kg of 0203B emulsifier, 20kg of auxiliary agent azone, and 683kg of solvent xylene were added to the reactor in the above order and stirred and mixed for about 2 hours to obtain the present invention. The compound preparation is 1 ton, and it can be potted and packaged as a finished product after all indicators pass the inspection.

Embodiment 2

[0046] Example 2, a compound emulsifiable concentrate preparation of dichlorvos and deltamethrin, the active ingredients are dichlorvos and deltamethrin, and its weight ratio: take 423.9kg of commercially available dichlorvos original drug with a content of 92.0%, and bromide with a content of 98% 12.2kg of cypropathrin, 40kg of 2201 emulsifier, 40kg of 0203B emulsifier, 20kg of auxiliary agent azone, and 463.9kg of solvent xylene were sequentially added to the reaction kettle according to the above order and stirred and mixed for about 2 hours to obtain this product. Invention of 1 ton of compound preparations can be potted and packaged as finished products after all indicators pass the inspection.

Embodiment 3

[0047] Example 3, a compound emulsifiable concentrate preparation of dichlorvos and deltamethrin, the active ingredients are dichlorvos and deltamethrin, and its weight ratio: take 527.2kg of commercially available dichlorvos original drug with a content of 92.0%, and bromide with a content of 98% 15.3kg of cypropathrin, 40kg of 2201 emulsifier, 40kg of 0203B emulsifier, 20kg of auxiliary agent azone, and 357.5kg of solvent xylene were sequentially added to the reaction kettle according to the above order and stirred and mixed for about 2 hours to obtain this product. Invention of 1 ton of compound preparations can be potted and packaged as finished products after all indicators pass the inspection.

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Abstract

The invention relates to an agricultural insecticide, in particular to a compound emulsion with effective components of dichlorphos and deltamethrin, which comprises the following components in proportion by weight: 19-50 percent of dichlorphos, 0.5-2 percent of deltamethrin, 2-4 percent of emulsifier 2201, 4-5 percent of emulsifier 0203B, and the balance of synergistic agents and solvents which are allowed to use and can be accepted in the insecticide. After the ichlorphos and the deltamethrin are reasonably compounded, i.e. the matching of stomach toxicity and touch efficacy of the ichlorphos and the deltamethrin, by the combination of efficient fast availability of the dichlorphos and the wholesomeness of the deltamethrin and mutual complementation of different actions, the compound emulsion becomes an insecticide with strong killing power, rapid action, high efficiency and broad spectrum. Researches on toxicity, poisonousness, heat storage stability and field application tests prove that the compound emulsion has the advantages of relatively lower production cost and prevention use cost and higher prevention effect; insects are not easy to produce the drug fastness when the compound emulsion is used for a long time.

Description

technical field [0001] The invention relates to a compound emulsifiable concentrate preparation composed of a pesticide insecticide dichlorvos and another pesticide insecticide deltamethrin. Background technique [0002] Dichlorvos is an organophosphorus pesticide. It is a high-efficiency, quick-acting, and broad-spectrum insecticide. It has fumigation, stomach poisoning, and contact killing effects. It has good control effects on pests with chewing mouthparts and piercing-sucking mouthparts. However, due to the continuous use of a single species for a long time, certain resistance to insects is produced, increasing the amount of application will inevitably bring about the improvement of control costs; deltamethrin is a pyrethroid insecticide with high activity. It mainly has contact and stomach poisoning effects, and has certain repelling and antifeeding effects on pests. Deltamethrin has the characteristics of broad insecticidal spectrum and rapid efficacy. Since it was ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/12A01N53/08A01P7/04
Inventor 常华
Owner 常华
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