A kind of water dispersible granule containing malathion and its application

A technology of malathion and dispersible granules, which is applied in the fields of application, insecticide, and biocide, and can solve the problem that the control effect is not as good as before.

Inactive Publication Date: 2015-10-28
三明市梅列区众尚圭投资管理合伙企业(有限合伙)
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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

[0043] Composition of 60% beta-cypermethrin and malathion

[0044] Malathion 10%,

[0045] Beta-cypermethrin 50%,

[0046] Acrylic acid copolymer sodium salt 4%;

[0047] Sodium tripolyphosphate 3%;

[0048] Ammonium sulfate 5%;

[0049] Sodium Lauryl Sulfate 6%;

[0050] Kaolin balance.

[0051] The preparation method is a conventional method in the art.

[0052] This embodiment medicament is applied to the prevention and treatment of tea weevil:

[0053] Co-toxicity coefficient: 849.2;

[0054] Dilute the spray with water 6000 times, the control effect is 99.0% 7 days after the application, dilute 50% beta-cypermethrin suspending agent 2000 times and 10% malathion emulsifiable concentrate 1000 times, use the same method respectively, 7 days after the application , the control effects were 69.2% and 72.0%, respectively, the difference was significant.

Embodiment 2

[0056] Composition of 55% beta-cypermethrin and malathion

[0057] Beta-cypermethrin 50%,

[0058] Malathion 5%,

[0059] Naphthalenesulfonic acid formaldehyde condensate sodium salt 10%;

[0060] Layered crystalline sodium disilicate 2%;

[0061] Sodium carboxymethyl starch 15%;

[0062] Sodium Alkyl Sulfate 5%;

[0063] Bentonite balance.

[0064] The preparation method is a conventional method in the art.

[0065] This embodiment medicament is applied to the prevention and treatment of mirid bugs:

[0066] Co-toxicity coefficient: 801.5;

[0067] Dilute the spray with water 6000 times, the control effect is 98.50% 7 days after the application, dilute 50% beta-cypermethrin suspending agent 2000 times and 5% malathion emulsifiable concentrate 500 times, use the same method respectively, 7 days after the application , the control effects were 72.3% and 68.2%, respectively, the difference was significant.

Embodiment 3

[0069] Composition of 21% beta-cypermethrin and malathion

[0070] Beta-cypermethrin 20%,

[0071] Malathion 1%,

[0072] Sodium lignosulfonate 9%;

[0073] EDTA sodium salt 3%;

[0074] Anhydrous sodium sulfate 10%;

[0075] Naphthalenesulfonate 5%;

[0076] Talc balance.

[0077] The preparation method is a conventional method in the art.

[0078] This embodiment medicament is applied to control rice leafhopper:

[0079] Co-toxicity coefficient: 670.8;

[0080] Dilute the spray with water 6000 times, the control effect is 97.0% 7 days after the application, dilute 1000 times with 20% beta-cypermethrin suspending agent and 200 times with 1% malathion emulsifiable concentrate, use the same method respectively, 7 days after the application , the control effects were 65.9% and 75.3%, respectively, the difference was significant.

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PUM

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Abstract

The invention specifically relates to a water dispersible granule containing malathion and application thereof, belonging to the technical field of complex formulation of pesticides. Effective components of the water dispersible granule are high-efficiency trans-cypermethrin and malathion, and a weight ratio of malathion to high-efficiency trans-cypermethrin is 1: 5 to 1: 20. The water dispersible granule utmostly alleviates the problem of drug resistance of insects at present, so the application amounts of pesticides are reduced, influence on the environment is abated, and the water dispersible granule is consistent with the tendency of greenness and environment friendliness of in the future society and exerts an optimal crop protection effect.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, in particular to a water-dispersible granule containing malathion and its application. Background technique [0002] Malathion [0003] English common name malathion [0004] Toxicity Malathion is a low toxicity insecticide. [0005] The scope of application is suitable for controlling pests on crops such as tobacco, tea and mulberry. It can also be used to control warehouse pests. [0006] Malathion has good contact, stomach toxicity and certain fumigation effect, without systemic effect. After entering the insect body, it is oxidized into malaoxon, so that it can play a more poisonous role. When entering warm-blooded animals, it is hydrolyzed by carboxylesterase that does not exist in the insect body, thus losing its toxicity. Malathion has low toxicity, short residual period, and is effective against pests with both piercing and chewing mouthparts. [0007...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/12A01N25/14A01P7/04A01N53/08
Inventor 迟宗磊丁振洋
Owner 三明市梅列区众尚圭投资管理合伙企业(有限合伙)
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