Insecticidal composition containing chlorpyrifos-methyl and etofenprox as well as preparation and application thereof

An insecticidal composition, chlorpyrifos-methyl technology, applied in the direction of insecticide, application, biocide, etc., can solve the problems that no one has reported, plant pest synergies, etc., to reduce the frequency of application, expand the control spectrum, and ensure safety sex high effect

Inactive Publication Date: 2017-05-24
ZHEJIANG XINNONG CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through a large number of indoor screening and field tests, the inventors found that the compounding of chlorpyrifos-methyl and etofenprox had obvious synergistic effect on the control of plant pests, and the compounded pesticide combination of chlorpyrifos-methyl and etofenprox No one has reported the substance and application so far

Method used

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  • Insecticidal composition containing chlorpyrifos-methyl and etofenprox as well as preparation and application thereof
  • Insecticidal composition containing chlorpyrifos-methyl and etofenprox as well as preparation and application thereof
  • Insecticidal composition containing chlorpyrifos-methyl and etofenprox as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Embodiment 1: 14% (2%+12%) suspending agent

[0051] 2g of chlorpyrifos-methyl and 12g of etherproxil composition, 3.0g of fatty alcohol ethoxylate, 1.0g of alkylnaphthalene sulfonate, 2.0g of fatty alcohol polyoxyethylene ether sulfate, 3.0g of phenolsulfonic acid condensate sodium salt g, ethylene glycol 3g, Cathone 0.2g, silicone defoamer 0.2g, distilled water added to 100g, put into a high-shear homogeneous emulsifier and shear at high speed for 30min, then transport it to a sand mill, and circulate Sanding 1-3 times to get 14% suspending agent. The suspension contains 14% active compound.

Embodiment 2

[0052] Embodiment 2: 20% (4%+16%) suspending agent

[0053] 4g chlorpyrifos methyl and 16g etofenprox composition, fatty alcohol polyoxyethylene ether 2.0g, alkyl naphthalene sulfonate 1.0g, sodium methylene dinaphthalene sulfonate 3.0g, xanthan gum 0.05g, silicic acid Aluminum magnesium 0.6g, glycerin 2.0g, salicylphenyl ester 0.4g, silicone defoamer 0.1g, deionized water to make up to 100g, put into high-shear homogeneous emulsifier and shear at high speed for 20 minutes, and then Transport it to a sand mill, and circulate the sand for 1-3 times to get the suspending agent. The suspension contains 20% active compound.

Embodiment 3

[0054] Embodiment 3: 30% (10%+20%) suspending agent

[0055] Mix 10g of chlorpyrifos-methyl and 20g of etofenproxil composition, 2.0g of alkyl naphthalene sulfonate, 2.0g of fatty alcohol polyoxyethylene ether sulfate, 1.0g of sodium methylnaphthalene sulfonate formaldehyde condensate, octenyl succinic acid Starch sodium 2.0g, glycerol 2.0g, butyl p-hydroxybenzoate 0.2g, polyether defoamer 0.1g, distilled water to make up to 100g, put into a high-shear homogeneous emulsifier and shear at high speed for 25 minutes, and then Pump it into a sand mill and grind it for 90 minutes, and then filter to obtain the suspending agent. The suspension contains 30% active compound.

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Abstract

The invention discloses a composition containing chlorpyrifos-methyl and etofenprox as well as a preparation and application thereof. The insecticidal composition contains effective components including the chlorpyrifos-methyl and the etofenprox, wherein the weight ratio of the chlorpyrifos-methyl to the etofenprox is (1-100) to (1-100). The pesticide composition can be prepared into preparations including a suspending agent, wettable powder, water dispersible granules, emulsion in water, micro-emulsion, granules and the like and is mainly used for preventing and treating rice planthopper, echinocnemus squameus billberg, chilo suppressalis, scirpophaga incertulas, cnaphalocrocis medinalis, wheat aphids, ostrinia nubilalis, oriental armyworms and the like. The chlorpyrifos-methyl and the etofenprox are blended so that the prevention and treatment spectrum can be effectively enlarged and the synergistic interaction is remarkable; and meanwhile, the dosage is reduced, and the prevention and treatment effects of insect pests are increased and the like.

Description

technical field [0001] The invention relates to an insecticidal composition, in particular to an insecticidal composition containing chlorpyrifos-methyl and etofenprox and its preparation and application. Background technique [0002] Chlorpyrifos-methyl (chlorpyrifos-methyl) is a broad-spectrum organophosphate insecticide, which is effective through contact killing, stomach poisoning and fumigation, and has no systemic properties. It is used to control pests in stored grains and various foliage crops. It can also be used to control adult mosquitoes, flies, aquatic larvae and sanitary pests. However, chlorpyrifos-methyl has no persistent effect in soil, many pests have developed resistance to it, and it is expensive. [0003] [0004] Ethofenprox (Ethofenprox), chemical name: 2-(4-ethoxyphenyl)-2-methylpropyl-3-phenoxybenzyl ether, also known as Duolaibao, Resmethrin, Li Laiduo and Yifenning are high-efficiency pyrethroid insecticides discovered by Mitsui Toatsu Chemica...

Claims

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Application Information

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IPC IPC(8): A01N57/16A01N31/14A01P7/04
CPCA01N57/16A01N31/14A01N2300/00
Inventor 范坤成张军李俊
Owner ZHEJIANG XINNONG CHEM CO LTD
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