Cyhalothrin-containing water dispersible granule and application thereof

A technology of cyfluthrin and dispersible granules, applied in the application, insecticide, biocide and other directions, can solve the problem that the control effect is not as good as before, and achieve the effect of improving the effect, delaying the occurrence and development of resistance, and good efficacy.

Inactive Publication Date: 2014-04-09
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

[0023] The pests generally develop strong resistance to this...

Method used

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  • Cyhalothrin-containing water dispersible granule and application thereof
  • Cyhalothrin-containing water dispersible granule and application thereof
  • Cyhalothrin-containing water dispersible granule and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Composition of 56% tebufenozide and cyfluthrin

[0046]

[0047] The preparation method is a conventional method in the art.

[0048] This embodiment medicament is applied to the control cutworm:

[0049] Co-toxicity coefficient: 326.1;

[0050] Dilute the spray with water 6000 times, the control effect is 98.0% 15 days after the application, 49% tebufenozide suspending agent is diluted 5000 times and 7% cyfluthrin emulsifiable concentrate is diluted 300 times, use the same method respectively, 15 days after the application, the control effect They are 65.4% and 77.9% respectively, the difference is significant.

Embodiment 2

[0052] Composition of 18% tebufenozide and cyfluthrin

[0053]

[0054]

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

[0056] This embodiment medicament is applied to the prevention and treatment of American Armyworm:

[0057] Co-toxicity coefficient: 342.7;

[0058] Dilute the spray with water 4000 times, the control effect is 99.0% 15 days after the application, dilute 2000 times with 15% tebufenozide suspension concentrate and 300 times with 3% cyfluthrin emulsifiable concentrate, use the same method respectively, 15 days after the application, the control effect They are 74.4% and 69.9% respectively, the difference is significant.

Embodiment 3

[0060] Composition of 15% tebufenozide and cyfluthrin

[0061]

[0062] The preparation method is a conventional method in the art.

[0063] This embodiment medicament is applied to control inchworm:

[0064] Co-toxicity coefficient: 330.1;

[0065] Dilute the spray with water 4000 times, the control effect is 98.6% 15 days after the application, dilute 10% tebufenozide suspending agent 2000 times and 5% cyfluthrin emulsifiable concentrate 1000 times, use the same method respectively, 15 days after the application, the control effect They were 77.5% and 75.7% respectively, and the difference was significant.

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Abstract

The invention belongs to the technical field of pesticides compounding, and concretely relates to a cyhalothrin-containing water dispersible granule and an application thereof. A weight ratio of tebufenozide to cyhalothrin is 15:1-1:5. Compared with single doses, the water dispersible granule has the advantages of delay of the generation of the drug resistance of pests, enlargement of the effective active control spectrum, and obvious effect improvement, so the consumption of a pesticide is reduced, the pesticide cost of farmers is reduced, the degree of the impact on the environment is reduced, the pesticide residual is also reduced.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, in particular to a water-dispersible granule containing cyfluthrin and its application. Background technique [0002] Cyfluthrin [0003] The pure product is a viscous, partly crystalline amber oily substance, with active ingredients ≥ 90%, no special odor, and non-volatile. Hardly soluble in water, slightly soluble in alcohol, easily soluble in ether, ketone, toluene and other organic solvents, unstable to alkali, stable to acid. [0004] 【Molecular formula】C22H18Cl2FNO3 [0005] 【Molecular Weight】343.3 [0006] 【Density】1.27~1.28 [0007] [Melting point (°C)] 60 (industrial product) [0008] toxicity [0009] It is less toxic to mammals. The acute oral LD50 of rats is 550-750mg / kg for males, 1200mg / kg for females, 300 for males and 600 for females in mice. Rats were fed with an ineffective dose of 125mg / kg feed for 90 days. It is highly toxic to fish and ...

Claims

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Application Information

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IPC IPC(8): A01N53/08A01N25/14A01P7/04A01N37/28
Inventor 迟宗磊丁振洋
Owner 洞头县乒乓杨梅专业合作社
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