CN101379981B - Disinsection composition containing chlorfenapyr and chlorfluazuron with synergistic action - Google Patents
Disinsection composition containing chlorfenapyr and chlorfluazuron with synergistic action Download PDFInfo
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- CN101379981B CN101379981B CN2008101462110A CN200810146211A CN101379981B CN 101379981 B CN101379981 B CN 101379981B CN 2008101462110 A CN2008101462110 A CN 2008101462110A CN 200810146211 A CN200810146211 A CN 200810146211A CN 101379981 B CN101379981 B CN 101379981B
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- chlorfenapyr
- fluorine pyridine
- pyridine urea
- chlorfluazuron
- aqueous emulsion
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Abstract
A desinsection aqueous emulsion has synergy and contains Chlorfenapyr and Chlorfluazuron, wherein, the weight percentage of the Chlorfenapyr and the Chlorfluazuron is 0.1-40:0.1-20; after the formulation screening test, the optimal weight percentage is 1-15:1-5. The composite of the invention also contains 1-15% of organic solvent, 1-25% of emulsifying agent, 0.1-1% of thickening agent, 0.5-5% of antifreeze, 0.1-1% of defoamer, and the rest of water. The desinsection aqueous emulsion solves the problems in production, transformation and use of missible oil and is more environment-friendly, safer and more effective.
Description
Technical field:
The invention belongs to technical field of pesticide, relate to a kind of aqueous emulsion, the effective active composition is chlorfenapyr and fluorine pyridine urea, is used to prevent and treat the resistance nocturnal moth class insects such as diamond-back moth, beet armyworm, cotton bollworm and rice leaf roller on the crops such as vegetables, cotton, paddy rice.
Background technology:
The aqueous emulsion of agricultural chemicals is a kind of novel form, be the water-fast solution that the former medicine of water-fast liquid state or solid-state former medicine is dissolved in the organic solvent gained, be scattered in the water, form the little pesticidal preparations of a kind of environmental pollution, its outward appearance is the opaque and white emulsion liquid, is a kind of emulsion oil-in-water.In the eighties in last century, the data of development aqueous emulsion and special report are abroad just arranged, the production of part aqueous emulsion has been arranged the beginning of the nineties.
Along with improving constantly of people's living standard; people are to the raising of environmental protection consciousness; and the Chinese government is to the attention of ecotope; on the domestic and international market to be fit to controlling crop diseases and insect pests and nuisanceless production needs efficiently, the demand of low toxicity, low-residual, free of contamination environment friendly biological agricultural chemicals and chemical pesticide is increasing, and the product that can satisfy the demands in the market is less.
Simultaneously, liquid former medicine and the solid-state former medicine that sizable solvability is arranged in organic solvent, no matter be insecticide, miticide or bactericide or weed killer herbicide, all make the form of missible oil mostly and use, emulsifiable concentrates for agricultural chemicals is the important formulation in the pesticidal preparations always, but owing to contain a large amount of inflammable organic solvents in the missible oil, strict to aspects such as production, accumulating and uses, as poor management, intoxicating phenomenon easily takes place or produces poisoning in misoperation.Particularly in long-term use, a large amount of organic solvents evaporates in the atmosphere, seriously polluted to environment, and these problems have caused people's extensive concern.
Summary of the invention:
Chlorfenapyr is capillary again, and external title belongs to aryl pyrrole compounds eliminating, and is by the chemical constitution transformation that contains the pyrrole ring natural antibiotics is successfully developed, and is efficient insecticide, the miticide of quite being paid close attention at present.Insect is had stomach toxicity and certain action of contace poison, and absorption is very strong in it, to boring moth, thorn suction and resistance lepidoptera pest good control efficiency is arranged, and uses non-resistant mutually with other drug simultaneously.
Fluorine pyridine urea is the process for preparation of benzoylurea compounds that a kind of insecticidal spectrum is wide, selectivity is high, mainly prevents and treats Lepidoptera, Homoptera class resistant insect, and the insecticidal toxicity of the type is higher than organic phosphor and carbamate pesticide.This insecticides has stomach toxicity and action of contace poison to insect, and soup enters back inhibition larva chitinous synthesizing of epidermis in the pest body, makes its new skin of not growing, and dies from and casts off a skin.Simultaneously because the insecticidal mechanism difference does not have cross resistance between same organic phosphor, carbamate, the pyrethroid insecticides.
The present invention passes through chlorfenapyr and fluorine pyridine urea desinsection signature analysis, mutual supplement with each other's advantages in conjunction with two kinds of medicines, carry out composite according to certain ratio chlorfenapyr and fluorine pyridine urea, said composition has outstanding characteristics to the resistance nocturnal moth class insects such as diamond-back moth, beet armyworm, cotton bollworm and rice leaf roller on the crops such as control vegetables, cotton, paddy rice, can reduce the pesticide resistance of above-mentioned insect pest simultaneously.
The effective active composition of composition is chlorfenapyr and fluorine pyridine urea among the present invention, all the other are auxiliary agent, its percentage by content is: chlorfenapyr 0.1%～40%, fluorine pyridine urea 0.1%～20%, organic solvent 1%～15%, emulsifier 1%～25%, thickener 0.1%～1%, antifreeze 0.5%～5%, defoamer 0.1%～1%, excess water.
Above-mentioned described organic solvent is selected from one or more in dimethylbenzene, the toluene; Described emulsifier is selected from one or more in polyoxyethylene alkylphenol, polyxyethylated fragrant phenol, polyoxyethylene fatty alcohol, the sorbitol ester; Described thickener is selected from polyvinyl alcohol, Magnesiumaluminumsilicate or xanthans; Described antifreezing agent is selected from one or more in ethylene glycol, the propane diols; Described defoamer is selected from the organosilicon ketone.
Embodiment:
The preparation method:
A. chlorfenapyr and fluorine pyridine urea, emulsifier are joined in organic solvent dimethylbenzene or the toluene, constantly stir, till chlorfenapyr dissolves fully, standby as oil phase;
B. as stated above thickener, antifreezing agent and defoamer under agitation are added to the water successively, constantly stir, till dissolving uniform liquid fully, standby as water;
C. earlier oil phase is joined in the container of clipper, open and stir, under agitation add water then gradually in oil phase, rotating speed is controlled at 1000 rev/mins, stirred 60 minutes, the opaque shape liquid of milky, be the aqueous emulsion of chlorfenapyr and fluorine pyridine urea.
In conjunction with above-mentioned method and according to following mark, be mixed with 5%, 10%, 15%, 20% mixture and prevent and treat diamond-back moth on the brassicaceous vegetable, contrast control efficiency.
Embodiment 1:
With chlorfenapyr 3g, fluorine pyridine urea 2g, dimethylbenzene 5g, polyxyethylated fragrant phenol 10g, xanthans 0.5g, ethylene glycol 5g, organosilicon 0.5g adds water to 100g, mix to stir and make 5% chlorfenapyr fluorine pyridine urea aqueous emulsion, spray according to 2000 times of dilutions, the 3rd day and the 5th day investigation drug effect situation, control efficiency was respectively 68.56%～72.45% and 73.56%～78.45% respectively.
Embodiment 2:
With chlorfenapyr 5g, fluorine pyridine urea 5g, dimethylbenzene 10g, polyxyethylated fragrant phenol 15g, xanthans 0.7g, ethylene glycol 5g, organosilicon 0.5g adds water to 100g, mix to stir and make 10% chlorfenapyr fluorine pyridine urea aqueous emulsion, spray according to 2000 times of dilutions, the 3rd day and the 5th day investigation drug effect situation, control efficiency was respectively 73.26%～76.92% and 79.26%～83.45% respectively.
Embodiment 3:
With chlorfenapyr 10g, fluorine pyridine urea 5g, dimethylbenzene 10g, polyxyethylated fragrant phenol 20g, xanthans 0.5g, ethylene glycol 6g, organosilicon 0.5g adds water to 100g, mix to stir and make 15% chlorfenapyr fluorine pyridine urea aqueous emulsion, spray according to 2000 times of dilutions, the 3rd day and the 5th day investigation drug effect situation, control efficiency was respectively 79.25%～82.32% and 92.36%～95.26% respectively.
Embodiment 4:
With chlorfenapyr 15g, fluorine pyridine urea 5g, dimethylbenzene 15g, polyxyethylated fragrant phenol 25g, xanthans 0.4g, ethylene glycol 8g, organosilicon 0.4g adds water to 100g, mix to stir and make 20% chlorfenapyr fluorine pyridine urea aqueous emulsion, spray according to 2000 times of dilutions, the 3rd day and the 5th day investigation drug effect situation, control efficiency was respectively 80.74%～85.67% and 93.85%～98.37% respectively.
Embodiment 5:
With chlorfenapyr 10g, dimethylbenzene 15g, polyxyethylated fragrant phenol 15g, xanthans 0.4g, ethylene glycol 8g, organosilicon 0.4g, add water to 100g, mix to stir and make 10% chlorfenapyr fluorine pyridine urea aqueous emulsion, spray according to 2000 times of dilutions, the 3rd day and the 5th day investigation drug effect situation, control efficiency was 62.25%～67.47% and 71.16%～75.37% respectively.
Embodiment 6:
With fluorine pyridine urea 5g, dimethylbenzene 10g, polyxyethylated fragrant phenol 15g, xanthans 0.5g, ethylene glycol 5g, organosilicon 0.4g, add water to 100g, mix to stir and make 5% fluorine pyridine urea aqueous emulsion, spray according to 2000 times of dilutions, the 3rd day and the 5th day investigation drug effect situation, control efficiency was respectively 58.95%～65.86% and 72.73%～78.46% respectively.
The contrast of different content control efficiency
| Test medicine | Behind the medicine 3 days | Behind the medicine 5 days |
| 5% chlorfenapyr fluorine pyridine urea EW (3: 2) | 68.56％～72.45％ | 73.56％～78.45％ |
| 10% chlorfenapyr fluorine pyridine urea EW (5: 5) | 73.26％～76.92％ | 79.26％～83.45％ |
| 15% chlorfenapyr fluorine pyridine urea EW (10: 5) | 79.25％～82.32％ | 92.36％～95.26％ |
| 20% chlorfenapyr fluorine pyridine urea EW (15: 5) | 80.74％～85.67％ | 93.85％～98.37％ |
| 10% chlorfenapyr EW (10: 0) | 62.25％～67.47％ | 71.16％～75.37％ |
| 5% fluorine pyridine urea EW (0: 5) | 58.95％～65.86％ | 72.73％～78.46％ |
Illustrate: 1, the object of this test is the brassicaceous vegetable diamond-back moth.
2, the technology of the insect of this test is 300.
3, this evidence, the mixture preparation drug effect of said composition are better than single product preparation.
Claims (4)
1. Pesticidal combination with synergistic effect that contains chlorfenapyr and fluorine pyridine urea, it is characterized in that: the weight ratio of Pesticidal combination effective active composition chlorfenapyr and fluorine pyridine urea is 0.1～40: 0.1～20.
2. composition according to claim 1 is characterized in that: the weight ratio of Pesticidal combination effective active composition chlorfenapyr and fluorine pyridine urea is 1～15: 1～5.
3. composition according to claim 1 is characterized in that: comprise organic solvent 1%～15% in the said composition, and emulsifier 1%～25%, thickener 0.1%～1%, antifreeze 0.5%～5%, defoamer 0.1%～1%, the surplus water is supplied.
4. composition according to claim 1 is characterized in that said composition makes aqueous emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101462110A CN101379981B (en) | 2008-08-06 | 2008-08-06 | Disinsection composition containing chlorfenapyr and chlorfluazuron with synergistic action |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101462110A CN101379981B (en) | 2008-08-06 | 2008-08-06 | Disinsection composition containing chlorfenapyr and chlorfluazuron with synergistic action |
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| Publication Number | Publication Date |
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| CN101379981A CN101379981A (en) | 2009-03-11 |
| CN101379981B true CN101379981B (en) | 2011-07-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102017992B (en) * | 2009-09-22 | 2013-08-07 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing chlorfluazuron and chlorpyrifos-methyl and application thereof |
| WO2011161040A1 (en) * | 2010-06-21 | 2011-12-29 | Basf Se | Pesticidal composition comprising a benzoylurea compound and chlorfenapyr and their uses. |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406481A (en) * | 2001-09-06 | 2003-04-02 | 湖南化工研究院 | Micro-emulsion composition containing bromine pestcide and monuron and preparation thereof |
| WO2006008109A2 (en) * | 2004-07-20 | 2006-01-26 | Bayer Cropscience Ag | Insecticidal agents based on selected insecticides and safeners |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406481A (en) * | 2001-09-06 | 2003-04-02 | 湖南化工研究院 | Micro-emulsion composition containing bromine pestcide and monuron and preparation thereof |
| WO2006008109A2 (en) * | 2004-07-20 | 2006-01-26 | Bayer Cropscience Ag | Insecticidal agents based on selected insecticides and safeners |
Non-Patent Citations (1)
| Title |
|---|
| 谭玉荣,庞民好,张金林,赤国彤.10%溴虫腈水乳剂配方研究.《农药学学报》.2007,第9卷(第4期),423－426. * |
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