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A kind of water emulsion of high-efficiency trans-cypermethrin and fenoxycarb and its application

A technology of trans-cypermethrin and fenoxycarb, applied in the fields of application, insecticide, biocide, etc., can solve the problems of single effect and high risk of resistance

Inactive Publication Date: 2015-10-21
洞头县乒乓杨梅专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] 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

[0057] 20% emulsion in water: combination of beta-cypermethrin and fenoxycarb

[0058] Beta-cypermethrin 5%,

[0059] Fenoxycarb 15%,

[0060] Methylated Rapeseed Oil 12%,

[0061] Silicone oil 3%,

[0062] Alkylphenol polyoxyethylene ether formaldehyde condensate 7%,

[0063] Cyanoethyl cellulose 3%,

[0064] Glycerol 6%,

[0065] The balance is water.

[0066] The preparation method is a conventional method in the art.

[0067] This embodiment medicament is applied to control white moth:

[0068] Co-toxicity coefficient: 859.5;

[0069] Add water to dilute the spray by 6000 times, and the control effect is 99.1% 7 days after the application. The 5% beta-cypermethrin suspension concentrate is diluted 500 times and the 15% fenoxycarb emulsifiable concentrate is diluted 3000 times. Use the same method respectively, 7 days after the application, The control effects were 77.5% and 73.9%, respectively, and the difference was significant.

Embodiment 2

[0071] 6% emulsion in water: combination of beta-cypermethrin and fenoxycarb

[0072] Beta-cypermethrin 1%,

[0073] Fenoxycarb 5%,

[0074] Xylene 10%,

[0075] Silicone compound 1%,

[0076] Phenylphenol polyoxyethylene polyoxypropylene ether 10%,

[0077] 2% polyvinyl alcohol,

[0078] Ethylene glycol 8%,

[0079] The balance is water.

[0080] The preparation method is a conventional method in the art.

[0081] This embodiment medicament is applied to control leaf tortrix:

[0082] Co-toxicity coefficient: 770.3;

[0083] Add water to dilute the spray by 4000 times, the control effect is 96.60% 7 days after the application, dilute 1% beta-cypermethrin suspending agent 200 times and 5% fenoxycarb emulsifiable concentrate 1000 times, use the same method respectively, 7 days after the application, The control effects were 73.2% and 67.7%, respectively, with significant differences.

Embodiment 3

[0085] 30% emulsion in water: combination of beta-cypermethrin and fenoxycarb

[0086] Beta-cypermethrin 5%,

[0087] Fenoxycarb 25%,

[0088] Toluene 15%,

[0089] Silicone compound 4%,

[0090] Fatty alcohol polyoxyethylene ether 5%,

[0091] Magnesium Aluminum Silicate 5%,

[0092] Glycerol 5%,

[0093] The balance is water.

[0094] The preparation method is a conventional method in the art.

[0095] This embodiment medicament is applied to the prevention and treatment of tortoise wax scale:

[0096] Co-toxicity coefficient: 790.1;

[0097] Add water to dilute the spray by 6000 times, the control effect is 97.5% 7 days after the application, dilute 500 times with 5% beta-cypermethrin suspending agent and 2000 times with 25% fenoxycarb emulsifiable concentrate, use the same method respectively, 7 days after the application, The control effects were 76.9% and 70.3%, respectively, and the difference was significant.

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Abstract

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 fenoxycarb and its application. The active ingredients of the composition are beta-cypermethrin and fenoxycarb, wherein the weight ratio of beta-cypermethrin and fenoxycarb is, beta-cypermethrin:fenoxycarb=1:1-1:5, the compound combination It effectively resists the problem of pest resistance, alleviates the current problem of pest resistance to the greatest extent, thereby reducing the amount of pesticides used, and also alleviates the impact on the environment. It is in line with the trend of green and environmental protection in the future society. The combination of the present invention Plants receive the best crop protection 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 fenoxycarb 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 Patents(China)
IPC IPC(8): A01N53/08A01N25/04A01P7/04A01N47/12
Inventor 马春烈
Owner 洞头县乒乓杨梅专业合作社
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