Synergistic insecticidal composition containing novaluron and chlopyrifos, and use thereof

A technology of insecticidal composition and fluorine-containing urea, which is applied in the direction of application, biocide, biocide, etc., can solve the problem of inability to achieve the best pest control effect, short persistence of organophosphorus insecticides, lepidopteran Low activity of larvae and other problems, to achieve the effect of reducing pesticide residues, benefiting environmental protection, and reducing control costs

Inactive Publication Date: 2009-06-24
王玉亭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Recently, the price of fluorourea is high, it is difficult to promote it in a large area, and it can only be limited to economic crops with high added value
Chlorpyrifos is a low-toxic organophosphorus variety with a wide insecticidal spectrum. It has contact stomach poisoning and fumigation effects, and has certain acaricidal activity. Phosphorus insecticides have short persistence and low activity against older Lepidoptera larvae
Therefore, the use of a single agent cannot achieve the best control effect on pests

Method used

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  • Synergistic insecticidal composition containing novaluron and chlopyrifos, and use thereof
  • Synergistic insecticidal composition containing novaluron and chlopyrifos, and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Weigh 2 grams of fluorourea, 30 grams of chlorpyrifos, 5 grams of calcium dodecylbenzenesulfonate, 2 grams of polyoxyethylene ether of phenylethyl acid, add the remaining xylene to a total of 100 grams, and measure the above raw materials Well, according to the conventional emulsifiable concentrate preparation method, it is prepared to make 32% fluoride emulsifiable concentrate.

[0027] The results of the field efficacy test are as follows:

[0028] The results of the field efficacy test for the control of rice leaf rollers are as follows:

[0029]

[0030] As can be seen from the results in the above table, the compound composition of fluoride and chlorpyrifos has the following advantages compared with the two single agents:

[0031] (1) Compared with a single dose, the control effect against rice leaf roller for 2, 5 and 10 days is significantly improved, and the synergistic effect is obvious.

[0032] (2) The compound preparation enhances the quick-acting prope...

Embodiment 2

[0035] Take 0.2 grams of fluorourea, 5 grams of chlorpyrifos, 5 grams of calcium dodecylbenzenesulfonate, 5 grams of phenethylphenol polyoxyethylene ether, and add solvent oil and additives to the total amount of 100 grams, according to the conventional method Prepare and mix to form 5.2% fluoride·chlorpyrifos emulsifiable concentrate.

Embodiment 3

[0037] Take 5 grams of fluoride, 40 grams of chlorpyrifos, 10 grams of calcium dodecylbenzenesulfonate, and 20 grams of phenylethylphenol polyoxyethylene ether, and prepare 43% fluoride-chlorpyrifos EC.

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Abstract

The invention relates to a combination containing urea fluoride and organophosphorus insecticide, particularly to a highly active low toxicity compound pesticide combination containing urea fluoride and chlorpyrifos, comprising elementary compositions of urea fluoride 0.1%-20% and chlorpyrifos 5%-50% and the balance additive and solvent. The compound pesticide has the advantages of stronger synergism, reduced using cost, reduced toxicity, enlarged insecticidal spectrum, quickened extermination speed on pests, thereby overcoming and delaying generation of drug resistance. The combination can be used for preventing lepidoptera pesticides on crops, fruit trees and vegetables, particularly for preventing ricestem borer, budworm of the fruit trees and cotton bollworm and the like, the effect excels evidently than single pesticides.

Description

technical field [0001] The invention relates to an insecticidal composition and its application, in particular to a synergistic insecticide composition containing fluoride and chlorpyrifos and its application. Background technique [0002] Fluorourea (novaluron), chemical name 1-[3-fluoro-4-(1,1,2-trifluoro-2-(trifluoromethoxy)ethoxy)phenyl]-3-(2,6 -difluorobenzoyl)urea, developed by Israel Makhteshim Chemical Co., Ltd., CAS No. 116714-46-6. [0003] Structural formula: [0004] [0005] Fluoride is a benzoylurea insecticide, an insect growth regulator, and a chitin synthesis inhibitor. It can be applied to various agricultural and horticultural crops such as cotton, soybean, corn, fruit trees, and vegetables. It is highly effective against many pests, such as cotton bollworm, borer, leaf tortrix, diamondback moth, cabbage caterpillar, pine caterpillar, whitefly, thrips, etc. [0006] This variety has broad spectrum, high efficiency, low toxicity, low residue, is frien...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/16A01N47/34A01P7/00
Inventor 王玉亭宋协阳
Owner 王玉亭
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