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Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion

A technology of trans-cypermethrin and dimehytap, applied in the direction of insecticides, applications, biocides, etc., can solve the problems of single effect and high risk of resistance, and achieve the goals of reducing the amount of use, expanding the control spectrum, and alleviating the resistance of pests Effect

Inactive Publication Date: 2014-03-26
JINAN CAVIN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] 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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  • Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion
  • Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion
  • Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Composition of 36% beta-cypermethrin and dimehypo

[0044]

[0045]

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

[0047] This embodiment medicament is applied to control Plutella xylostella:

[0048] Co-toxicity coefficient: 236.4;

[0049] Add water to dilute the spray by 1000 times, the control effect is 97.8% 7 days after the application, 30% beta-cypermethrin suspending agent is diluted 600 times and 6% bisultap is diluted 200 times, use the same method respectively, 7 days after the application, The control effects were 80.1% and 70.5%, respectively, and the difference was significant.

Embodiment 2

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

[0052]

[0053] The preparation method is a conventional method in the art.

[0054] This embodiment medicament is applied to preventing and treating the large borer:

[0055] Co-toxicity coefficient: 203.9;

[0056] Add water to dilute the spray by 1000 times, and the control effect is 97.7% 7 days after the application. 40% beta-cypermethrin suspending agent is diluted 800 times and 4% bisultap is diluted 300 times. Use the same method respectively, 7 days after the application, The control effects were 75.5% and 63.8%, respectively, with significant differences.

Embodiment 3

[0058] Composition of 24% beta-cypermethrin and dimehypo

[0059]

[0060] The preparation method is a conventional method in the art.

[0061] This embodiment medicament is applied to control citrus leafminer:

[0062] Co-toxicity coefficient: 305.1;

[0063] Add water to dilute the spray by 1000 times, and the control effect is 99.3% 7 days after the application. 21% beta-cypermethrin suspension concentrate is diluted 2000 times and 3% bisultap is diluted 1000 times. Use the same method respectively, 7 days after the application, The control effects were 76.5% and 64.1%, respectively, with significant differences.

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Abstract

The invention belongs to the technical field of compounding pesticides, and specifically relates to a suspoemulsion containing theta-cypermethrin and dimehypo and an application of suspoemulsion. The effective components of the suspoemulsion are theta-cypermethrin and dimehypo in a weight ratio of 1:1-20:1. The suspoemulsion containing theta-cypermethrin and dimehypo relieves the problem of existing pest resistance to insecticide to the maximum extent, so that the use level of pesticides is reduced, and the influence on the environment is further relieved, thereby satisfying the trend of environmental protection of the future society. The composition provided by the invention has the optimal crop protective effect.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, in particular to a suspoemulsion of high-efficiency trans-cypermethrin and dimehypo 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 solvents. [0008] Feat...

Claims

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Application Information

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IPC IPC(8): A01N53/08A01N25/04A01P7/04A01N41/02
Inventor 迟宗磊丁振洋
Owner JINAN CAVIN BIOTECH
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