Water dispersible granules containing cartap and application of water dispersible granules

A technology of cartap and dispersible granules, which is applied in the direction of application, insecticide, biocide, etc., can solve the problem that the control effect is not as good as before, and achieve the effect of improving the effect, delaying drug resistance, and reducing the cost of drug use

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

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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  • Water dispersible granules containing cartap and application of water dispersible granules
  • Water dispersible granules containing cartap and application of water dispersible granules
  • Water dispersible granules containing cartap and application of water dispersible granules

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0057] Beta-cypermethrin 5%,

[0058] Cartap 50%,

[0059] Naphthalenesulfonic acid formaldehyde condensate sodium salt 8%;

[0060] EDTA sodium salt 5%;

[0061] Ammonium sulfate 4%;

[0062] Corn starch 7%;

[0063] Filling balance.

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

[0065] This embodiment medicament is applied to control corn borer:

[0066] Co-toxicity coefficient: 264.5;

[0067] Add water to dilute the spray by 6000 times, and the control effect is 99.1% 15 days after the application. The 5% beta-cypermethrin suspending agent is diluted 500 times and the 50% cartap EC is diluted 2000 times. Use the same method respectively. 15 days after the application, The control effects were 74.6% and 70.9%, respectively, and the difference was significant.

Embodiment 2

[0069] Composition of 36% beta-cypermethrin and cartap

[0070] Beta-cypermethrin 6%,

[0071] Cartap 30%,

[0072] Naphthalenesulfonic acid formaldehyde condensate sodium salt 9%;

[0073] EDTA sodium salt 3%;

[0074] Ammonium sulfate 7%;

[0075] Corn starch 5%;

[0076] Filling balance.

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

[0078] This embodiment medicament is applied to control three stem borer:

[0079] Co-toxicity coefficient: 248.4;

[0080] Add water to dilute the spray by 5000 times, and the control effect is 97.0% 15 days after the application. The 6% beta-cypermethrin suspension concentrate is diluted 500 times and the 30% cartap EC is diluted 1000 times. Use the same method respectively. 15 days after the application, The control effects were 72.1% and 69.4%, respectively, with significant differences.

Embodiment 3

[0082] Composition of 16% beta-cypermethrin and cartap

[0083] Beta-cypermethrin 1%,

[0084] Cartap 15%,

[0085] Naphthalenesulfonic acid formaldehyde condensate sodium salt 6%;

[0086] EDTA sodium salt 5%;

[0087] Ammonium sulfate 2%;

[0088] Corn starch 10%;

[0089] Filling balance.

[0090] The preparation method is a conventional method in the art.

[0091] This embodiment medicament is applied to control rice bract worm:

[0092] Co-toxicity coefficient: 231.8;

[0093] Add water to dilute the spray by 5000 times, the control effect is 96.1% 15 days after the application, 1% beta-cypermethrin suspension concentrate is diluted 200 times and 15% cartap emulsifiable oil is diluted 2000 times, use the same method respectively, 15 days after the application, The control effects were 70.1% and 69.5%, respectively, and the difference was significant.

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Abstract

The invention belongs to the technical field of compounding pesticides, and specifically relates to water dispersible granules containing cartap and an application of the water dispersible granules. The weight ratio of theta-cypermethrin to cartap is 20:1-1:20. Compared with a single dosage, the water dispersible granules have the advantages that the pest resistance to insecticide is delayed, the effective active preventing and treating spectrum is expanded, and the effect is remarkably improved, so that the use level of the pesticides is reduced, the influence on the environment is reduced and the pesticide residue is reduced while the pesticide using cost of farmers is lowered.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, in particular to a water-dispersible granule containing cartap and its application. Background technique [0002] cartap [0003] Molecular formula: C 7 h 15 N 3 o 2 S 2 ·HCl [0004] Molecular mass: 273.81 [0005] S,S'-[2-(Dimethylamino)-1,3-propanediyl]thiocarbamate hydrochloride [0006] Property description: white powder, melting point 179-181°C. Soluble in water, slightly soluble in methanol and ethanol, insoluble in acetone, ether, ethyl acetate, chloroform, benzene and other organic solvents. The pH of 1% aqueous solution is 3-4. Stable under normal temperature and acidic conditions, unstable under alkaline conditions. [0007] Qianzai has a strong stomach poisoning effect, and also has contact killing, certain food refusal, and egg killing effects. Knock down pests quickly, have a long residual effect period, and have a broad spectrum of insect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N53/08A01N25/14A01P7/04A01N47/12
Inventor 迟宗磊丁振洋
Owner JINAN CAVIN BIOTECH
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