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Theta-cypermethrin and methidathion containing suspoemulsion and application thereof

A technology of trans-cypermethrin and chlorfenapyr, applied in the application, insecticide, acaricide and other directions, can solve the problem that the control effect is not as good as before, and achieve the effects of reducing the dosage, alleviating the resistance of pests, and expanding the control spectrum.

Inactive Publication Date: 2014-04-02
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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  • Theta-cypermethrin and methidathion containing suspoemulsion and application thereof
  • Theta-cypermethrin and methidathion containing suspoemulsion and application thereof
  • Theta-cypermethrin and methidathion containing suspoemulsion and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Composition of 36% beta-cypermethrin and methapon

[0043] Phytophos 30%,

[0044] Beta-cypermethrin 6%,

[0045]

[0046] The preparation method is a conventional method in the art.

[0047] This embodiment medicament is applied to control cotton leafhopper:

[0048] Co-toxicity coefficient: 256.4;

[0049] Add water to dilute the spray by 1000 times, and the control effect is 97.6% 7 days after the application. The 6% beta-cypermethrin suspending agent is diluted 200 times and the 30% thapion emulsifiable concentrate is diluted 600 times. Use the same method respectively, 7 days after the application, The control effects were 80.0% and 71.5%, respectively, and the difference was significant.

Embodiment 2

[0051] Composition of 44% beta-cypermethrin and methapon

[0052] Beta-cypermethrin 4%,

[0053] Methapion 40%,

[0054]

[0055] The preparation method is a conventional method in the art.

[0056] This embodiment medicament is applied to control cotton red spider:

[0057] Co-toxicity coefficient: 203.9;

[0058] Add water to dilute the spray by 1000 times, and the control effect is 97.8% 7 days after the application. 4% beta-cypermethrin suspension concentrate is diluted 300 times and 40% methapam emulsifiable concentrate is diluted 800 times. Use the same method respectively, 7 days after the application, The control effects were 73.7% and 63.2%, respectively, with significant differences.

Embodiment 3

[0060] Composition of 24% beta-cypermethrin and methapon

[0061] Beta-cypermethrin 3%,

[0062] Methapion 21%,

[0063]

[0064]

[0065] The preparation method is a conventional method in the art.

[0066] This embodiment medicament is applied to control apple scale insect:

[0067] Co-toxicity coefficient: 308.3;

[0068] Add water to dilute the spray by 1000 times, and the control effect is 99.1% 7 days after the application. The 3% beta-cypermethrin suspension concentrate is diluted 1000 times and the 21% thapion emulsifiable concentrate is diluted 2000 times. Use the same method respectively, 7 days after the application, The control effects were 76.1% and 69.5%, respectively, and the difference was significant.

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Abstract

The invention belongs to the technical field of pesticide compounding, and particularly relates to theta-cypermethrin and methidathion containing suspoemulsion and an application thereof. The effective components of the suspoemulsion are theta-cypermethrin and methidathion, wherein the weight ratio of the methidathion to the theta-cypermethrin is 1:1-20:1. The theta-cypermethrin and methidathion containing suspoemulsion can be used for relieving the present pest resistance to insecticide to the greatest degree, thus the dosage of pesticide is reduced, and the influence on environments is also mitigated. The theta-cypermethrin and methidathion containing suspoemulsion is in line with the green and environmental protection trend of future society and has the optimal crop protection effect.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, and specifically relates to a suspoemulsion of high-efficiency trans-cypermethrin and methapon and its application. Background technique [0002] Methaphos [0003] One of the English names of methidathion is Methidathion, CAS number 950-37-8, molecular formula C 6 h 11 N 2 o 4 P.S. 3 , molecular weight 302.3313. [0004] The pure product is colorless crystal. The relative density is 1.495 (20°C), and the solubility at 20°C is: cyclohexanone 850g / kg, acetone 690g / kg, xylene 600g / kg, ethanol 260g / kg, water 250mg / kg. [0005] It has contact and stomach poisoning effects; it has osmotic effect but no systemic effect; it is a broad-spectrum, highly toxic insecticide and acaricide. [0006] However, its effect is also very single, and the risk of resistance after large-scale application is also very high. [0007] Beta-cypermethrin [0008] English name: theta...

Claims

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Application Information

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IPC IPC(8): A01N57/16A01N25/04A01P7/02A01P7/04A01N53/08
Inventor 迟宗磊丁振洋
Owner JINAN CAVIN BIOTECH
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