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Synergistic insecticidal compositions of fluorine-containing ureide and cyhalothrin

A technology of cyhalothrin and an insecticidal composition is applied in the field of synergistic insecticidal compositions containing fluorouride and cyhalothrin, which can solve the problem that the application of cyhalothrin cannot be used in the control of crop pests, and the import price of fluorouride is high. , increase environmental pollution and other issues, to achieve the effect of reducing pesticide residues, reducing drug dosage, reducing environmental pollution and

Inactive Publication Date: 2009-01-28
王玉亭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] At present, due to the high import price of fluorourea, it is only limited to the application of high value-added crops, such as fruit trees, vegetables, etc. The application area is small, and it cannot be applied to a wide range of crop pest control.
[0017] At present, Lepidoptera pests, such as: cotton bollworm, diamondback moth, cabbage caterpillar, rice borer, beet armyworm, fruit tree borer, etc., have increased resistance year by year due to long-term use of organophosphate and pyrethroid pesticides, and the control effect has gradually decreased. The amount per mu is also gradually increasing, which increases the cost, increases the pollution to the environment, and the control effect is not good

Method used

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  • Synergistic insecticidal compositions of fluorine-containing ureide and cyhalothrin
  • Synergistic insecticidal compositions of fluorine-containing ureide and cyhalothrin
  • Synergistic insecticidal compositions of fluorine-containing ureide and cyhalothrin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Take 3 grams of fluorourea, 3 grams of cyhalothrin, 4 grams of calcium dodecylbenzenesulfonate, 3 grams of phenethylphenol polyoxyethylene ether, and add xylene to the balance to a total of 100 grams. The raw materials are prepared according to the conventional emulsifiable concentrate method, and it is dubbed into 6% fluoride cyhalothrin emulsifiable concentrate.

[0036] A field efficacy test was carried out on the fluorourea-cyhalothrin emulsifiable concentrate prepared in Example 1.

[0037] Results of Field Tests on Controlling Cotton Bollworm

[0038]

[0039] Note: a means significant at a=0.05 level, b means there is difference at a=0.05 level, c means not significant at a=0.05 level.

Embodiment 2

[0041] Take 2.5 grams of fluorourea, 0.5 grams of cyhalothrin, 6 grams of calcium dodecylbenzenesulfonate, 3 grams of phenethylphenol polyoxyethylene ether, and add the remainder to a total of 100 grams with xylene. The above-mentioned raw materials are formulated and processed according to conventional emulsifiable concentrates to prepare 3% fluorourea-cyhalothrin emulsifiable concentrates.

Embodiment 3

[0043] Take 30 grams of fluoride urea, 0.5 grams of cyhalothrin, 5 grams of calcium dodecylbenzenesulfonate, 4 grams of phenethylphenol polyoxyethylene ether, and the remaining xylene to make up the total amount of 100 grams. The above raw materials 30.5% fluorourea·cyhalothrin emulsifiable concentrate was prepared according to the conventional processing and preparation process of emulsifiable concentrate

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Abstract

The invention relates to a synergistic insecticidal composition which comprises fluorine acyl urea and cyhalothrin. The insecticidal composition comprises fluorine acyl urea, cyhalothrin, accessory ingredient and menstruum; and the composition is prepared into cream, wherein, the mass percent of fluorine acyl urea and cyhalothrin is 0.2-30:0.2-25. The composition can produce relatively high synergetic effects, prevent and delay the resistance to agricultural chemical of insect, extend the insecticidal spectrum, accelerate injurious insect knockdown speed and lower drug cost per unit area and toxicity. The composition can be applied to the prevention and cure of lepidopterous and homopteran pests, especially cotton bollworm, rice stem borer, rice leaf roller, and diamond back moth, etc.

Description

technical field [0001] The present invention relates to an insecticide composition and its use, which is a fluoride urea and pyrethroid insecticide composition and its use, especially a synergistic insecticide containing fluoride urea and cyhalothrin. Insect composition. Background technique [0002] Fluoride [0003] English common name: novaluron [0004] Chemical name: ±-1-[3-chloro-4-(1,1,2-trifluoro-2-trifluoromethoxyethoxy)phenyl]-3-(2,6-difluorophenyl ) urea [0005] CAS number: 116714-46-6 [0006] Structural formula: [0007] [0008] Control object: Fluoride is a new type of benzoylurea insect growth regulator insecticide. It prevents the synthesis of chitin in the growth process of insects, inhibits molt, and kills pests. It is relatively safe for beneficial insects and is of low efficiency. Toxic insecticide varieties are one of the excellent varieties to replace highly toxic varieties. [0009] It can be applied to various pests such as cotton bollworm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/34A01N53/08A01P7/00
Inventor 王玉亭宋协阳
Owner 王玉亭
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