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A kind of insecticidal composition containing flonicamid and chlorfenapyr

The technology of an insecticidal composition and flonicamid, which is applied in the field of pesticide compounding, can solve the problems of serious pest resistance, decreased pesticide control effect, etc., and achieves long lasting effect, great agricultural production significance, and reduced pesticide usage. Effect

Inactive Publication Date: 2011-11-30
SHANGDONG HAILIER CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the pesticide resistance of many pests in the field is becoming more and more serious, and the control effect of most pesticides has dropped significantly.

Method used

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  • A kind of insecticidal composition containing flonicamid and chlorfenapyr
  • A kind of insecticidal composition containing flonicamid and chlorfenapyr
  • A kind of insecticidal composition containing flonicamid and chlorfenapyr

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0014] 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:

[0015]

[0016] The specific production steps of the emulsion in water are as follows: first, the original drug flonicamid, chlorfenapyr, solvent, emulsifier, and co-solvent are added together to dissolve into a uniform oil phase; Microbial agents and other pesticide additives 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, and turn on the shearing machine for high-speed shearing. And add the remaining water, cut for about half an hour to form an oil-in-water emulsion. A water emulsion of the composition of the present invention can then be prepared.

[0017] In the second technical scheme of the present invention, when the described insecticidal composition is ...

example 1

[0048] (1) Test drug

[0049] 96% flonicamid technical, Japan Ishihara Sangyo Co., Ltd., 94.5% chlorfenapyr technical, BASF Europe.

[0050] Dissolve the original drug with acetone first, and mix the appropriate amount of the two original drugs into 5 different ratios according to the results of the preliminary experiment, and then use acetone to dilute each treatment into 5 series of concentration gradients for use. The ratios of the active ingredients of the five flonicamid and chlorfenapyr in different proportions were 3:12; 5:10; 7:8; 9:6; 11:4 and were diluted into 5 series of concentration gradients for use.

[0051] (2) Test target

[0052] Beet armyworm, beet armyworm raised for generations indoors, indoor conditions: temperature (26±2)°C. The relative humidity is 70%±5%, and the photoperiod is 16 / 8h (L / D).

[0053] (3) Test method

[0054] In this test, the worm body immersion method was used. First, dilute the mother liquors of flonicamid and chlorfenapyr to 5 c...

example 2

[0072] (1) Experimental test agent

[0073] 96% flonicamid technical, Japan Ishihara Sangyo Co., Ltd., 94.5% chlorfenapyr technical, BASF Europe.

[0074] (2) Test target

[0075] Wheat aphids were collected from the field population of the wheat experimental field of Qingdao Agricultural University, and wingless adult aphids of the same individual size were selected for testing. Experimental method is the same as activity determination example 1

[0076] (3) Toxicity test results and analysis:

[0077] Table 2 Indoor determination results of flonicamid and chlorfenapyr on wheat aphids

[0078]

[0079] It can be seen from the table that the co-toxicity coefficients of the mixtures in different proportions are all greater than 120, showing a certain synergistic effect. Obviously, the co-toxicity coefficient is 161.34. The test results show that both chlorfenapyr and flonicamid have high activity against wheat aphids under indoor conditions. When nitriles were diluted ...

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Abstract

The invention relates to an insecticidal composition in the field of pesticide compounding, the active ingredients of which are flonicamid and chlorfenapyr, and the weight percentage of the two active ingredients is 1-80:80-1, preferably 5-50 : 60~5; The total mass percentage of active ingredients in the insecticidal composition is 1%~90%, preferably 5%-60%, and the rest are allowed and acceptable auxiliary components in pesticides. The method can be prepared into aqueous emulsion, microemulsion, emulsifiable concentrate, suspending agent, wettable powder, and water-dispersible granule; it can be used to control aphids, whiteflies, Forage insects, bedbugs, cabbage caterpillars, diamondback moths, Spodoptera litura or beet armyworms, thrips, cotton bollworms, Bactrocera dorsalis and other Homoptera and Thysanoptera pests are very effective.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a dual compound insecticidal composition using flonicamid and chlorfenapyr as active ingredients. Background technique [0002] Flunicamid is a new type of insecticide developed by Ishihara Sangyo Co., Ltd. (ISK) in Japan, with molecular formula C 9 h 6 f 3 N 3 , its chemical structure is: [0003] [0004] The insecticide is a pyridine amide insect growth regulator, mainly acting on cotton, cucurbits, fruits, vegetables, potatoes, pome fruits and stone fruits, and can effectively control aphids, whiteflies, pasture insects and bedbugs at a lower dose . Its mechanism of action is unique, and it has a good neurological effect and rapid antifeedant activity on sucking pests such as aphids. So far, it has not been found to be resistant to other active components. It is comparable to existing insecticides such as neonicotinoid insecticides. Compared with low su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N43/36A01P7/04
Inventor 葛尧伦杨波涛葛大鹏韩先正杜秀斌
Owner SHANGDONG HAILIER CHEM
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