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Water dispersible granule containing malathion and application thereof

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: 2014-03-26
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% high-efficiency trans-cypermethrin and malathion

[0044] Malathion 10%,

[0045] High-efficiency trans-cypermethrin 50%,

[0046] Acrylic acid copolymer sodium salt 4%;

[0047] Sodium tripolyphosphate 3%;

[0048] Ammonium sulfate 5%;

[0049] Sodium lauryl sulfate 6%;

[0050] Kaolin margin.

[0051] The preparation method may be a conventional method in the field.

[0052] The medicament of this embodiment is applied to control the tea weevil

[0053] The co-toxicity coefficient is 849.2;

[0054] Diluted spray with water by 6000 times, the control effect is 99.0% 7 days after application, 50% high-efficiency trans-cypermethrin suspension diluted 2000 times and 10% malathion EC diluted 1000 times, respectively use the same method, 7 days after application , The control effects were 69.2% and 72.0% respectively, with significant differences.

Embodiment 2

[0056] 55% high-efficiency trans-cypermethrin and malathion combination

[0057] High-efficiency trans-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 may be a conventional method in the field.

[0065] The medicament of this embodiment is used to prevent and treat the bug:

[0066] The co-toxicity coefficient is: 801.5;

[0067] Diluted spray with water by 6000 times, the control effect is 98.50% 7 days after application, 50% high-efficiency trans-cypermethrin suspension diluted 2000 times and 5% malathion EC diluted 500 times, respectively use the same method, 7 days after application , The control effects were 72.3% and 68.2% respectively, with significant differences.

Embodiment 3

[0069] 21% high-efficiency trans-cypermethrin and malathion combination

[0070] High-efficiency trans-cypermethrin 20%,

[0071] Malathion 1%,

[0072] Sodium lignosulfonate 9%;

[0073] EDTA sodium salt 3%;

[0074] Anhydrous sodium sulfate 10%;

[0075] Naphthalene sulfonate 5%;

[0076] The balance of talcum powder.

[0077] The preparation method may be a conventional method in the field.

[0078] The medicament of this embodiment is applied to control rice leafhopper:

[0079] Co-toxicity coefficient is: 670.8;

[0080] Diluted spray with water by 6000 times, the control effect is 97.0% 7 days after application, 20% high-efficiency trans-cypermethrin suspension diluted 1000 times and 1% malathion EC diluted 200 times, respectively use the same method, 7 days after application , The control effects were 65.9% and 75.3% respectively, with significant differences.

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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 pesticide and insecticide compounding, and specifically relates 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-toxic pesticide. [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 killing, stomach toxicity and certain fumigation effect, without systemic effect. After entering the insect body, it is oxidized to malathion, which can play a more toxic effect. When entering the warm-blooded animal, it is hydrolyzed by the carboxylesterase that is not in the insect body, thus losing its toxicity. Malathion has low toxicity and short residual effect. It is effective against pests of piercing and sucking mouthparts and chewing mouthparts. ...

Claims

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Application Information

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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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