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Emulsion in water containing isazofos and applications thereof

A technology of chlorazophos and water-emulsion, applied in the fields of application, insecticide, biocide, etc., can solve the problem that the control effect is not as good as before, and achieve the effect of reduced dosage, long-lasting effect and fast speed

Inactive Publication Date: 2015-04-29
JINAN CAVIN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to continuous use for many years, coupled with the problem of cross-resistance with organophosphorus and carbamates, pests generally develop strong resistance to this type of pesticide, and the control effect is not as good as before.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] 40% emulsion in water: combination of beta-cypermethrin and chlorazophos

[0083] Chlorazophos 20%,

[0084] Beta-cypermethrin 20%,

[0085]Methylated Soybean Oil 10%,

[0086] Silicone 3%,

[0087] Tristyrylphenol ethoxylate phosphate 10%,

[0088] Kaolin 1%,

[0089] Ethylene glycol 3%,

[0090] The balance is water.

[0091] The preparation method is a conventional method in the art.

[0092] This embodiment medicament is applied to the prevention and treatment of Japanese beetles:

[0093] Co-toxicity coefficient: 233.6;

[0094] Add water to dilute the spray by 4000 times, the control effect is 99.4% 7 days after the application, dilute 2000 times with 20% beta-cypermethrin suspending agent and 2000 times with 20% chlorazophos emulsifiable concentrate, use the same method respectively, 7 days after the application, The control effects were 70.1% and 68.7%, respectively, and the difference was significant.

Embodiment 2

[0096] 24% emulsion in water: combination of beta-cypermethrin and chlorazophos

[0097] Chlorazophos 20%,

[0098] Beta-cypermethrin 4%,

[0099] Methylated Soybean Oil 15%,

[0100] Silicone 4%,

[0101] Tristyrylphenol ethoxylate phosphate 5%,

[0102] Kaolin 3%,

[0103] Ethylene glycol 7%,

[0104] The balance is water.

[0105] The preparation method is a conventional method in the art.

[0106] This embodiment medicament is applied to the prevention and treatment of long stink bugs:

[0107] Co-toxicity coefficient: 214.9;

[0108] Add water to dilute the spray by 3000 times, the control effect is 97.1% 7 days after the application, dilute 4% beta-cypermethrin suspending agent 200 times and 20% chlorazophos emulsifiable concentrate 2000 times, use the same method respectively, 7 days after the application, The control effects were 69.1% and 70.5%, respectively, and the difference was significant.

Embodiment 3

[0110] 45% emulsion in water: combination of beta-cypermethrin and chlorazophos

[0111] Chlorazophos 30%,

[0112] Beta-cypermethrin 15%,

[0113] Methylated Soybean Oil 13%,

[0114] Silicone 5%,

[0115] Tristyrylphenol ethoxylate phosphate 15%,

[0116] Kaolin 2%,

[0117] Ethylene glycol 10%,

[0118] The balance is water.

[0119] The preparation method is a conventional method in the art.

[0120] This embodiment medicament is applied to control nematode:

[0121] Co-toxicity coefficient: 210.4;

[0122] Dilute the spray with water 5000 times, and the control effect is 98.8% 7 days after the application. The 15% beta-cypermethrin suspending agent is diluted 1000 times and the 30% chlorazophos emulsifiable concentrate is diluted 2000 times. Use the same method respectively. 7 days after the application, The control effects were 73.8% and 76.1%, respectively, with significant differences.

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Abstract

The invention belongs to the technical field of pesticide compounding, and specifically relates to an emulsion in water containing isazofos and applications thereof. The effective components in the emulsion in water are high-efficient trans-cypermethrin and isazofos, wherein the weight ratio of isazofos to high-efficient trans-cypermethrin is in a range of 5:1 to 1:5. The compounding composition effectively solves the problem of generation of drug resistance of insects, maximally relieves the problem of drug resistance of insects, thus reduces the using amount of pesticide, reduces the pollution to the environment, is accord with the trends of green and environment-friendliness in the future society, and obtains an optimum crop protection effect.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, and specifically relates to an aqueous emulsion containing chlorazophos and its application. Background technique [0002] Chlorazophos [0003] 【CAS No.】42509-80-8 [0004] 【Relative molecular weight or atomic weight】313.7 [0005] 【Density】1.23(20℃) [0006] [Boiling point (°C)] 120°C (32Pa) [0007] 【Vapor pressure (Pa)】7.45mPa(20℃) [0008] Pure product is yellow liquid [0009] 【Dissolution】 [0010] The solubility in water at 20°C is 168mg / L. Solvent dry benzene, chloroform, hexane and methanol [0011] Organophosphorus insecticides and nematicides with contact, stomach toxicity and systemic effects. It can be used as a soil treatment agent, and can also be used for seed treatment or foliar spraying. [0012] However, its effect is also very single, and the risk of resistance after large-scale application is also very high. [0013] Beta-cypermethr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/16A01N25/04A01P7/04A01P5/00A01N53/08
Inventor 迟宗磊丁振洋
Owner JINAN CAVIN BIOTECH
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