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Efficiency enhanced insecticidal composition, and application thereof

An insecticidal composition and composition technology, applied in the direction of application, insecticide, biocide, etc., can solve the problems of undiscovered pesticide mixing synergies, increased environmental pollution damage, unsatisfactory control effects, etc., to achieve The effects of delaying pest resistance, expanding insecticidal spectrum, and reducing pesticide residues

Inactive Publication Date: 2011-11-23
HAILIR PESTICIDES & CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Affected by the long-term use of phenylpyrazole insecticides, the resistance of this type of insecticides in many pests is becoming more and more serious, and the duration of efficacy is short. Blooming, continues to harm crops
Therefore, in order to better control pests, farmers have to frequently apply pesticides, resulting in a substantial increase in dosage, increased costs, increased residues, increased environmental pollution and damage, and unsatisfactory control effects
The company's researchers have long been committed to the research in the field of pesticide compounding. After many times of pesticide compounding tests, it was found that the new generation of insecticides thiofluoroxime ether and phenylpyrazole insecticides created by Hunan Research Institute of Chemical Industry Two-component mixing of fipronil, ethiprole, and butylene-fipronil has obvious synergistic effect and can effectively solve the above agricultural problems. Related research and reports

Method used

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  • Efficiency enhanced insecticidal composition, and application thereof
  • Efficiency enhanced insecticidal composition, and application thereof
  • Efficiency enhanced insecticidal composition, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0017] The simple embodiment of the pesticide dosage form that composition of the present invention can be made is as follows:

[0018] In the following technical scheme, the active ingredient A is selected from thiofluoroxime, and the active ingredient B is selected from any one of the phenylpyrazole insecticides fipronil, ethiprole, and butylene fipronil.

[0019] In one of the technical solutions of the present invention, the insecticidal composition is an emulsion in water, and the weight percentage of the components is:

[0020]

[0021] The specific production steps of the emulsion in water are as follows: first, the original medicine A and B, solvent, emulsifier, and cosolvent are added together to dissolve into a uniform oil phase; Pesticide auxiliaries are mixed together to form a uniform water phase; while stirring at high speed in the reactor, add the oil phase to the water phase, slowly add water until the phase inversion point is reached, turn on the shearer fo...

example 1

[0052] (1) Test drug

[0053] 95% thiofluoroxime technical, Hunan Research Institute of Chemical Industry, 95% fipronil technical, Qingdao Kaiyuanxiang Chemical Co., Ltd. provided.

[0054] (2) Source of tested insects

[0055] Plutella xylostella larvae raised for generations indoors, indoor conditions: temperature (26±2)°C, relative humidity 68%±5%, photoperiod 16 / 8h (L / D).

[0056] (3) single-dose determination method

[0057] The two groups of original drugs were dissolved in a small amount of acetone by worm soaking method, and then diluted with 0.1% Tween aqueous solution to form 5 concentrated solutions with equal difference, which were diluted in beakers for later use, and clear water was used as a control.

[0058] Plutella xylostella larvae of the same size were immersed in the medicinal solution of the insect cage for 5 seconds, and after absorbing the excess medicinal solution, they were placed in a petri dish with a diameter of 9 cm, and the dish was covered wit...

example 2

[0075] (1) Experimental test agent

[0076] 95% thiofluoroxime technical, Hunan Research Institute of Chemical Industry, 95% ethiprole technical, Bayer Crop Science, Germany.

[0077] According to the pre-experimental setting, the total active ingredients of the two are 13%, and the set ratio is m (thiofluoroxime): m (ethiprole) is respectively 1: 12; 3: 10; 5: 8; 7: 6; 9 : 4.

[0078] (2) Test target

[0079] Plutella xylostella larvae raised for generations indoors, indoor conditions: temperature (26±2)°C, relative humidity 68%±5%, photoperiod 16 / 8h (L / D).

[0080] Experimental method is the same as activity determination example 1

[0081] (3) Toxicity test results and analysis:

[0082] Table 2 Indoor determination results of thiofluoroxime ether and ethiprole on diamondback moth larvae

[0083]

[0084] It can be seen from the table that in the mixing of different proportions, the co-toxicity coefficients are all greater than 120, showing a certain synergistic eff...

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Abstract

The invention relates to an insecticidal composition in a field of pesticide formulation. The insecticidal composition comprises effective components of sufluoxime and parts of phenylpyrazole insecticides, wherein a weight ratio of the two effective components is 1-80:85-1, and preferably 1-50:60-1. A total mass percentage of the two effective components in the insecticidal composition is 1% to 90%, and preferably 3% to 65%. The balance is auxiliary components allowed and acceptable in pesticides. With available methods, the materials can be prepared into aqueous emulsions, microemulsions, emulsifiables, suspensions, hydrophilic powders, and water dispersible granules. The insecticidal composition with sufluoxime and phenylpyrazole as effective components is mainly used for controlling pests on vegetables, tea leaves and fruit trees such as citrus.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to an insecticidal composition which uses thiofluoroxime ether and some phenylpyrazole compounds as active ingredients for binary compounding. Background technique [0002] Thiofluoroxime ether development code is HNPC-A2005, chemical name: 1-(3-fluoro-4-chlorophenyl)-2-methylthioethanone oxime-O-(2-methylbiphenyl-3- Methyl) ether is a new type of non-ester pyrethroid insecticide with independent intellectual property rights independently designed and synthesized by Hunan Research Institute of Chemical Industry in Hunan Base of National Southern Pesticide Manufacturing Center in 2002. Its structural formula is: [0003] [0004] Thiofluoroxime ether can effectively control tea tree pests, tea caterpillars, diamondback moths, tea inchworms, citrus pests leafminers, vegetable pests, cabbage caterpillars, etc., with a wide insecticidal spectrum and rapid action. The r...

Claims

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Application Information

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IPC IPC(8): A01N47/02A01N43/56A01N35/10A01P7/04
Inventor 杜秀斌葛尧伦韩先正
Owner HAILIR PESTICIDES & CHEM GRP
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