Compound of theta-cypermethrin and chlorfenapyr and application of same

A technology of trans-cypermethrin and chlorfenapyr, which can be used in application, insecticide, animal repellent, etc., can solve the problems of high resistance risk and single effect, so as to expand the control spectrum, reduce the dosage, and alleviate the pests. The effect of drug resistance

Active Publication Date: 2014-02-19
嘉善创越知识产权服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The agent has the following characteristics: broad-spectrum insecticide and acaricide; both stomach poisoning and contact killing; no cross-resistance with other insecticides; moderate residual activity on crops; effective root absorption in nutrient solut

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] 16% emulsion in water: combination of beta-cypermethrin and chlorfenapyr

[0050] Beta-cypermethrin 15%,

[0051] Chlorfenapyr 1%,

[0052] Farm Milk 500 # 4%,

[0053] Propanol 10%,

[0054] Ethylene glycol 5%,

[0055] Silicone oil 2%,

[0056] Xanthan gum 0.5%,

[0057] The balance is water.

[0058] The preparation method is a conventional method in the art.

[0059] This embodiment medicament is applied to the cotton bollworm on control cotton:

[0060] Co-toxicity coefficient: 830.1;

[0061] Add water to dilute the spray by 6000 times, and the control effect is 98.3% 15 days after the application. The 15% beta-cypermethrin suspending agent is diluted 5000 times and the 1% chlorfenapyr EC is diluted 2000 times. Use the same method respectively. 15 days after the application, The control effects were 80.5% and 71.2%, respectively, and the difference was significant.

Embodiment 2

[0063] 30% emulsion in water: combination of beta-cypermethrin and chlorfenapyr

[0064] Beta-cypermethrin 25%,

[0065] Chlorfenapyr 5%,

[0066] Nonylphenol ethoxylate 10%,

[0067] Ethylene glycol 15%,

[0068] Glycerol 2%,

[0069] Silicone compound 1%,

[0070] Cyanoethyl cellulose 3%,

[0071] The balance is water.

[0072] The preparation method is a conventional method in the art.

[0073] This embodiment medicament is applied to control Spodoptera litura:

[0074] Co-toxicity coefficient: 802.5;

[0075] Add water to dilute the spray by 8000 times, the control effect is 97.0% 15 days after the application, 25% beta-cypermethrin suspending agent is diluted 5000 times and 5% chlorfenapyr emulsifiable concentrate is diluted 3000 times, use the same method respectively, 15 days after the application, The control effects were 78.5% and 69.2%, respectively, and the difference was significant.

Embodiment 3

[0077] 12% wettable powder: combination of beta-cypermethrin and chlorfenapyr

[0078] Beta-cypermethrin 10%,

[0079] Chlorfenapyr 2%,

[0080] Diatomaceous earth 6%,

[0081] Sodium methylene bis-naphthalene sulfonate 10%,

[0082] White carbon black 3%,

[0083] Sodium polynaphthalene sulfonate 2%,

[0084] The balance is bentonite.

[0085] The preparation method is a conventional method in the art.

[0086] This embodiment medicament is applied to control spider mite:

[0087] Co-toxicity coefficient: 769.4;

[0088] Add water to dilute the spray by 6000 times, and the control effect is 97.3% 15 days after the application. The 10% beta-cypermethrin suspending agent is diluted 4000 times and the 2% chlorfenapyr EC is diluted 2000 times. Use the same method respectively. 15 days after the application, The control effects were 79.9% and 69.3%, respectively, with significant differences.

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Abstract

The invention belongs to the technical field of pesticide compounding, and particularly relates to a compound of theta-cypermethrin and chlorfenapyr and the application of the compound. The active ingredients of the compound include theta-cypermethrin and chlorfenapyr, and the weight ratio of theta-cypermethrin to chlorfenapyr is 5-20 to 1. The compound of theta-cypermethrin and chlorfenapyr maximally alleviates the problem of pest resistance to insecticide in the prior art, so as to reduce the pesticide consumption and the influence on the environment, and coincide with the trend for a green future society. The compound provided by the invention achieves the optimal crop protection effects.

Description

technical field [0001] The invention belongs to the technical field of compounding pesticides and insecticides, and specifically relates to a composition and application of high-efficiency trans-cypermethrin and chlorfenapyr. 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. [0...

Claims

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Application Information

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IPC IPC(8): A01N53/08A01P7/04A01P7/02A01N43/36
Inventor 迟宗磊藏伟功
Owner 嘉善创越知识产权服务有限公司
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