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Emulsion in water of theta-cypermethrin and thiodicarb and application thereof

A technology of trans-cypermethrin and thiodicarb, applied in the application, insecticide, biocide and other directions, can solve the problems of single action effect and high resistance risk, and achieve the goal of reducing dosage, expanding control spectrum and alleviating insect resistance. Effect

Inactive Publication Date: 2014-02-19
JINAN CAVIN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its effect is also very simple, and the risk of resistance after large-scale application is also very high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] 48% Emulsion in Water: Composition of Beta-cypermethrin and Thiodicarb

[0066] Beta-cypermethrin 3%,

[0067] Thiodicarb 45%,

[0068] Mineral oil 20%,

[0069] Silicone oil 2%,

[0070] 400#8%,

[0071] Magnesium Aluminum Silicate 3%,

[0072] Glycerol 5%,

[0073] The balance is water.

[0074] The preparation method is a conventional method in the art.

[0075]This embodiment medicament is applied to control peach borer:

[0076] Co-toxicity coefficient: 830.5;

[0077] Add water to dilute the spray by 6000 times, the control effect is 99.1% 7 days after the medicine, 3% beta-cypermethrin suspension concentrate is diluted 500 times and 45% thiodicarb emulsifiable concentrate is diluted 3000 times, use the same method respectively, 7 days after the medicine, The control effects were 77.5% and 70.7%, respectively, and the difference was significant.

Embodiment 2

[0079] 21% emulsion in water: combination of beta-cypermethrin and thiodicarb

[0080] Beta-cypermethrin 1%,

[0081] Thiodicarb 20%,

[0082] Toluene 17%,

[0083] Silicone compound 1%,

[0084] Calcium Alkylbenzene Sulfonate 9%,

[0085] 1% of polyvinyl alcohol,

[0086] Ethylene glycol 4%,

[0087] The balance is water.

[0088] The preparation method is a conventional method in the art.

[0089] This embodiment medicament is applied to preventing and treating Chilo borer:

[0090] Co-toxicity coefficient: 650.3;

[0091] Add water to dilute the spray by 6000 times, the control effect is 96.60% 7 days after the medicine, 1% beta-cypermethrin suspension concentrate is diluted 400 times and 20% thiodicarb emulsifiable concentrate is diluted 2000 times, use the same method respectively, 7 days after the medicine, The control effects were 79.1% and 68.8%, respectively, and the difference was significant.

Embodiment 3

[0093] 55% Emulsion in Water: Composition of Beta-cypermethrin and Thiodicarb

[0094] Beta-cypermethrin 5%,

[0095] Thiodicarb 50%,

[0096] Butyl ether 19%,

[0097] High carbon alcohol 4%,

[0098] Phenylphenol polyoxyethylene polyoxypropylene ether 10%,

[0099] Cyanoethyl cellulose 2%,

[0100] Glycerol 6%,

[0101] The balance is water.

[0102] The preparation method is a conventional method in the art.

[0103] This embodiment medicament is applied to control three stem borer:

[0104] Co-toxicity coefficient: 790.1;

[0105] Add water to dilute the spray by 6000 times, and the control effect is 97.5% 7 days after the drug, 500 times diluted 5% beta-cypermethrin suspending agent and 3000 times diluted with 50% thiodicarb emulsifiable concentrate, use the same method respectively, 7 days after the drug, The control effects were 73.5% and 68.7%, respectively, and the difference was significant.

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Abstract

The invention belongs to the technical field of pesticide compounding, in particular to an emulsion in water of theta-cypermethrin and thiodicarb and application thereof. Effective components of the composition are theta-cypermethrin and thiodicarb, wherein the weight ratio of the theta-cypermethrin to the thiodicarb is 1: 5-1: 20. The compounded composition effectively resists the problem of resistance generation of injurious insects, and relieves the present problem of drug resistance of the injurious insects to the greatest extent, so that the dosage of pesticide is reduced, the influence to the environment is relieved, and the environmental protecting trend of the future society is accorded with; the composition of the invention obtains the optimal plant protecting effect.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, and specifically relates to an emulsion in water of high-efficiency trans-cypermethrin and thiodicarb and its application. Background technique [0002] Beta-cypermethrin [0003] English name: theta-cypermethrin [0004] Molecular formula: C 22 h 19 C I2 NO 3 [0005] Chemical name: (S)a-cyano-3-phenoxybenzyl(1R,3S)-3-(2,2-dichlorodienyl)-2,2-dimethylcyclopropanecarboxylate and (R)-a-cyano-3-phenoxybenzyl(1S,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate [0006] Chemical class: Pyrethroids [0007] Physical and chemical properties: The appearance is white or light yellow crystalline powder, without visible foreign impurities. Specific gravity at 25°C: 1.219g / m 3 ; Melting point 78-81 ° C; vapor pressure (20 ° C) 2.3 × (10 minus 7) Pa; low solubility in water at room temperature, soluble in ketones, alcohols and aromatic hydrocarbon solven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N53/08A01N25/04A01P7/04A01N47/26
Inventor 迟宗磊藏伟功
Owner JINAN CAVIN BIOTECH
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