CN103238591A - Micro-emulsion with aphid alarm pheromone analogue and preparation method for micro-emulsion - Google Patents

Micro-emulsion with aphid alarm pheromone analogue and preparation method for micro-emulsion Download PDF

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Publication number
CN103238591A
CN103238591A CN2013101579445A CN201310157944A CN103238591A CN 103238591 A CN103238591 A CN 103238591A CN 2013101579445 A CN2013101579445 A CN 2013101579445A CN 201310157944 A CN201310157944 A CN 201310157944A CN 103238591 A CN103238591 A CN 103238591A
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cau
analog
microemulsion
aphid
micro
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杨新玲
王灿
凌云
吴学民
孙亮
秦耀果
雷鹏
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China Agricultural University
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China Agricultural University
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Abstract

The invention relates to a micro-emulsion with an aphid alarm pheromone analogue and a preparation method for the micro-emulsion. The micro-emulsion comprises an active compound of the aphid alarm pheromone analogue CAU-1204 and an auxiliary agent which comprises a solvent, a cosolvent, an emulsifier, an anti-freezing agent and water. In specific, the micro-emulsion comprises the following ingredients according to weight percentage: 1-25 percent of the CAU-1204 active compound, 5-30 percent of the organic solvent, 10-25 percent of the cosolvent, 15-30 percent of the emulsifier, 0-5 percent of the anti-freezing agent and the balance of water. The preparation method for the micro-emulsion comprises the following steps of: dissolving the CAU-1204 active compound into the solvent, and adding a certain amount of cosolvent; after the CAU-1204 active compound is completely dissolved, adding and stirring the emulsifier, the anti-freezing agent and the like to obtain homogeneous-phase transparent liquid; and continuously and slowly adding a certain amount of water, and fully stirring the ingredients at the same time, thus obtaining transparent uniform liquid, namely the micro-emulsion for the aphid alarm pheromone analogue CAU-1204. The micro-emulsion, which is a biomimetic synthesis reagent, is high in stability and environment-friendly; the preparation technology is simple; and the micro-emulsion can be independently used or combined with other chemical aphicides.

Description

Microemulsion of a kind of aphid alarm pheromones analog and preparation method thereof
Technical field
The present invention relates to a kind of microemulsion and preparation method thereof, relate in particular to a kind of novel aphid alarm pheromones analog microemulsion and preparation method thereof.
Background technology
Aphid is one of important pests on the crops such as vegetables, wheat, cotton, and agricultural production is caused serious harm.For a long time, people are devoted to the control to aphid always, and wherein using chemical pesticide to prevent and treat is one of present topmost means.But conventional pesticide kind such as organophosphorous pesticide Rogor and pyrethroid insecticides decis etc., drug effect obviously descends and resistance constantly increases, thereby causes using consumption and access times to increase, and environmental ecology is brought adverse effect.
Aphid alarm pheromones (instead)-β-farnesene (EBF) is the volatile liquid that aphid secretes out from cornical when being subjected to external interference, can the individual warning effect that produces of the same race flee the scene it rapidly, thereby stop the infringement to crop.Utilize this biological property of natural EBF to carry out control of aphids, it is few to have a consumption, and specificity is strong, to advantages such as non-target organism and Environmental securities, thereby causes plant protection expert and agricultural producer's favor.But natural EBF molecular weight is less, and exists conjugated double bond, therefore is easy to volatilization and oxidized in air, and poor stability is unfavorable for field use and commercialization.In order to make it finally have practical value, the structure of EBF is transformed and modified, in the hope of the compound of finding that effect and stability get both, significant to the integrated control of aphid.
Aphid alarm pheromones analog CAU-1204 is exactly the inventor on the basis that keeps the EBF long-chain, utilizes 1,3,5-oxadiazine heterocycle to substitute the unstable conjugated double bond in its structure and the new E BF analog found.This compound has better stability than EBF, and it has and significantly kill the aphid activity when keeping repellent warning effect, has good application and development to be worth.The characteristics of micro-emulsion form mainly contain: the flash-point height, and do not fire and do not explode, produce, store and transport and use safety; Use no or little organic solvent, environmental pollution is little, is conducive to the improvement of eco-environmental quality; Particle is ultra tiny, and is littler than common missible oil particle, and plant and insect cell are had excellent permeability, the absorption ratio height, so low dosage just can be brought into play drug effect; Water is matrix, and aboundresources is inexpensive, and product cost is low, and packing easily.
CAU-1204 is a class bio-imitability compound, has environmental friendliness, to the advantage of ecological safety.Therefore, significant at CAU-1204 exploitation environment-friendly type formulation.Based on this, the present invention discloses the micro-emulsion form and preparation method thereof of a kind of environment-friendly type of aphid alarm pheromones analog CAU-1204 first.
Summary of the invention
The objective of the invention is to: a kind of aphid alarm pheromones analog microemulsion is provided, this aphid alarm pheromones analog microemulsion has repellent and aphid activity preferably extremely, and the preparation method is simple, and environmental pollution is little, with low cost, there is good application and development to be worth.
The technical scheme that the present invention takes is as follows:
The invention provides a kind of aphid alarm pheromones analog CAU-1204 microemulsion, it is characterized in that: this microemulsion comprises the former medicine of aphid alarm pheromones analog CAU-1204 and auxiliary agent, described former medicine is content at 85~99.9% aphid alarm pheromones analog CAU-1204, and auxiliary agent comprises solvent, cosolvent, emulsifier, antifreezing agent, water etc.
The weight percent proportioning of described each component is as follows:
Aphid alarm pheromones analog CAU-1204:1~25%;
Organic solvent: 5~30%;
Cosolvent: 10~25%;
Emulsifier: 15~30%;
Antifreezing agent: 0~5%;
Surplus is water;
Described former medicine is content at 85~99.9% aphid alarm pheromones analog CAU-1204;
Described organic solvent is one or more in butanols, propyl alcohol, n-butanol, amylalcohol, toluene, dimethylbenzene, acetic acid, ethyl acetate, cyclohexanone, the carrene;
Described cosolvent is one or more in methyl alcohol, propyl alcohol, butanols, the amylalcohol;
Described emulsifier is styryl phenyl APEO, styryl phenyl polyoxyethylene ether phosphate, alkyl phenol formaldehyde resin polyoxyethylene ether, phenethyl phenyl polyoxyethylene one polyethenoxy ether, calcium dodecyl benzene sulfonate, the sorbitan fatty acid ester APEO, fatty alcohol-polyoxyethylene ether, polyoxyethylene nonylphenol ether, alkylphenol polyoxyethylene, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, in the compound of anion and non-ionic surface active agent etc. one or more.
The application of aphid alarm pheromones analog CAU-1204 microemulsion provided by the invention in anti-eliminating aphis.
The preparation method of aphid alarm pheromones analog CAU-1204 microemulsion provided by the invention, its preparation process is as follows:
1) the former medicine of aphid alarm pheromones analog CAU-1204 with 1~25 weight portion is dissolved in the organic solvent of 5~30 weight portions, adds the cosolvent of 10~25 weight portions, is stirred to former medicine and dissolves fully;
2) in the mixed liquor of above-mentioned step 1), add the emulsifier of 15~30 weight portions and the antifreezing agent of 0~5 weight portion, be stirred to homogeneous phase transparent liquid;
3) to step 2) mixed liquor in slowly add water and be supplemented to 100 weight portions, fully stir simultaneously, get the transparence uniform liquid, namely make aphid alarm pheromones analog CAU-1204 microemulsion.
Above-mentioned preparation method is simple, and production cost is low, is easy to industrial production.
Aphid alarm pheromones analog CAU-1204 microemulsion of the present invention can use separately, also can unite use with other chemical insecticide, is applied to prevent and treat the aphid on crops, fruit tree and the vegetables.
Novel aphid alarm pheromones analog CAU-1204 structure described in the present invention is as shown in the formula 1:
Formula 1. aphid alarm pheromones analog CAU-1204 structures
This compound is a kind of eco-friendly bio-imitability material that the inventor finds in earlier stage, and aphid is had fine activity.The microemulsion of this former medicine provided by the invention is conducive to this medicine original effect and plays a role better.This microemulsion outward appearance is transparent homogeneous liquid, and hot and cold storage stability tool is good, produces, transports, preserves and use safety.This microemulsion mainly is matrix with water, to environment and non-target organism safety, is a kind of environmental type medicament, can be used for the control of aphids on crops, fruit tree and the vegetables, simultaneously to ecology and human security.
Embodiment
For further explaining the present invention, below provide technical solution of the present invention embodiment.
Embodiment 1
Take by weighing the former medicine of 2.21g aphid alarm pheromones analog CAU-1204(), add 0.6g toluene, 0.6g methyl alcohol and 1.8g DMF, be stirred to abundant dissolving; Add 1.5g composite emulsifier 4068 and 1.5g phenethyl phenol polyethenoxy ether, stir; Slowly drip and add water to 100%, stirring mixes it while dripping, is transparent homogeneous liquid, and gross mass 10g can make active constituent content and be 20% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 20 gram 20%CAU-1204 microemulsion control wheat aphids by every mu of wheatland, then its field consumption is 4 grams/mu.
During field control, every mu of wheatland is converted 1000 times of liquid sprayings of water dilution with 20%CAU-1204 microemulsion 20 grams, and the insect population rate of going down of aphid reaches more than 75% after 7 days, and to natural enemy and other non-target organism safety.
Embodiment 2
Take by weighing the former medicine of 2.21g aphid alarm pheromones analog CAU-1204(), add 0.6g toluene, 0.6g methyl alcohol and 1.8g DMF, be stirred to abundant dissolving; Add 2.0g composite emulsifier 4068 and 1.0g phenethyl phenyl polyoxyethylene poly-oxygen propylene aether, stir; Slowly drip and add water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 10g can make active constituent content and be 20% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 15 gram 20%CAU-1204 microemulsion control Cai Constriction pipe aphids by every mu of vegetables field, then its field consumption is 3 grams/mu.
During field control, 1000 times of liquid sprayings of water dilution are converted with 20%CAU-1204 microemulsion 15 grams in every mu of vegetables field,, the insect population rate of going down of aphid reaches more than 80% after 7 days, and to natural enemy and other non-target organism safety.
Embodiment 3
Take by weighing the former medicine of 2.21g aphid alarm pheromones analog CAU-1204(), add 1.5g cyclohexanone and 1.5g methyl alcohol, be stirred to abundant dissolving; Add 1.0g composite emulsifier 9968 and 2.0g phenethyl phenol polyethenoxy ether, stir; Slowly drip and add water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 10g can make active constituent content and be 20% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 15 gram 20%CAU-1204 microemulsion control black peach aphids by every mu of vegetables field, then its field consumption is 3 grams/mu.
During field control, 1000 times of liquid sprayings of water dilution are converted with 20%CAU-1204 microemulsion 15 grams in every mu of vegetables field, and the insect population rate of going down of aphid reaches more than 80% after 7 days, and to natural enemy and other non-target organism safety.
More than, and to natural enemy and other non-target organism safety.
Embodiment 4
Take by weighing the former medicine of 2.21g aphid alarm pheromones analog CAU-1204(), add 1.5g cyclohexanone and 1.5g methyl alcohol, be stirred to abundant dissolving; Add 0.5g composite emulsifier 9968 and 2.5g phenethyl phenyl polyoxyethylene poly-oxygen propylene aether, stir; Slowly drip and add water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 10g can make active constituent content and be 20% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 25 gram 20%CAU-1204 microemulsion control black peach aphids by every mu of peach ground, then its field consumption is 5 grams/mu.
During field control, 1000 times of liquid sprayings of water dilution are converted with 20%CAU-1204 microemulsion 25 grams in every mu of peach ground, and the insect population rate of going down of aphid reaches more than 80% after 7 days, and to natural enemy and other non-target organism safety.
Embodiment 5
Take by weighing the former medicine of 2.21g aphid alarm pheromones analog CAU-1204(), add 1.0g cyclohexanone, 0.5g isopropyl alcohol and 1.0g methyl alcohol, be stirred to abundant dissolving; Add 1.0g composite emulsifier 9968 and 2.0g phenethyl phenol polyethenoxy ether, stir; Slowly drip distilled water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 10g can make active constituent content and be 20% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 20 gram 20%CAU-1204 microemulsion control apple yellow aphids by every mu of apple tree ground, then its field consumption is 4 grams/mu.
During field control, 1000 times of liquid sprayings of water dilution are converted with 20%CAU-1204 microemulsion 20 grams in every mu of apple tree ground, and the insect population rate of going down of aphid reaches more than 80% after 7 days, and to natural enemy and other non-target organism safety.
Embodiment 6
Take by weighing the former medicine of 1.60g aphid alarm pheromones analog CAU-1204(), add 3.0g n-butanol and 1.5g methyl alcohol, be stirred to abundant dissolving; Add 0.9g composite emulsifier 9968 and 3.6g phenethyl phenol polyethenoxy ether, stir; Slowly drip and add water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 15g can make active constituent content and be 10% aphid alarm pheromones analog CAU-1204 microemulsion.
Need need 30 gram 10%CAU-1204 microemulsion control of maize aphids by every mu of corn field, then its field consumption is 4.5 grams/mu.
During field control, every mu of corn field is converted 1000 times of liquid sprayings of water dilution with 10%CAU-1204 microemulsion 30 grams, and the insect population rate of going down of aphid reaches more than 80% after 7 days,, and to natural enemy and other non-target organism safety.
Embodiment 7
Take by weighing the former medicine of 1.62g aphid alarm pheromones analog CAU-1204(), add 3.0g n-butanol and 1.5g methyl alcohol, be stirred to abundant dissolving; Add 0.6g composite emulsifier 9968,1.2g phenethyl phenol polyethenoxy ether and 1.2g phenethyl phenol polyethenoxy ether phosphate, stir; Slowly drip distilled water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 15g can make active constituent content and be 10% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 30 gram 10%CAU-1204 microemulsion control apple yellow aphids by every mu of apple tree ground, then its field consumption is 3 grams/mu.
During field control, 1000 times of liquid sprayings of water dilution are converted with 10%CAU-1204 microemulsion 30 grams in every mu of apple tree ground, and the insect population rate of going down of aphid reaches more than 80% after 7 days, and to natural enemy and other non-target organism safety.
Embodiment 8
Take by weighing the former medicine of 1.99g aphid alarm pheromones analog CAU-1204(), add 3.0g n-butanol and 1.5g methyl alcohol, be stirred to abundant dissolving; Add 0.9g composite emulsifier 9968 and 3.6g phenethyl phenol polyethenoxy ether, stir; Slowly drip distilled water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 15g can make active constituent content and be 12.5% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 10 gram 12.5%CAU-1204 microemulsion control wheat aphids by every mu of wheatland, then its field consumption is 1.25 grams/mu.During field control, every mu of wheatland is converted 1000 times of liquid sprayings of water dilution with 12.5%CAU-1204 microemulsion 10 grams, and the insect population rate of going down of aphid reaches more than 80% after 3 days, and the insect population rate of going down of aphid reaches more than 80% after 7 days, and to natural enemy and other non-target organism safety.
Embodiment 9
Take by weighing the former medicine of 4.06g aphid alarm pheromones analog CAU-1204(), add 3.0g n-butanol and 1.5g methyl alcohol, be stirred to abundant dissolving; Add 0.9g composite emulsifier 9968 and 3.6g phenethyl phenyl polyoxyethylene poly-oxygen propylene aether, stir; Slowly drip distilled water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 15g can make active constituent content and be 25% aphid alarm pheromones analog CAU-1204 microemulsion.
Need 20 gram 25%CAU-1204 microemulsion control cotten aphids by every mu of cotton field, then its field consumption is 5 grams/mu.
During field control, 2000 times of liquid sprayings of water dilution are converted with 25%CAU-1204 microemulsion 20 grams in every mu of cotton field, and the insect population rate of going down of aphid reaches more than 90% after 7 days, and to natural enemy and other non-target organism safety.
Embodiment 10
Take by weighing the former medicine of 0.75g aphid alarm pheromones analog CAU-1204(), add 2.0 n-butanols and 1.0g methyl alcohol, be stirred to abundant dissolving; Add 0.6g composite emulsifier 9968 and 2.4g phenethyl phenol polyethenoxy ether phosphate, stir; Slowly drip distilled water to 100%, stirring mixes it while dripping, is transparent or semitransparent homogeneous liquid, and gross mass 15g can make active constituent content and be 5% aphid alarm pheromones analog CAU-1204 microemulsion.
Need anti-the eliminating aphis of 20 gram 5%CAU-1204 microemulsions by every mu of strawberry ground, then its field consumption is 1 gram/mu.
During field control, 1000 times of liquid sprayings of water dilution are converted with 5%CAU-1204 microemulsion 20 grams in every mu of strawberry field, and the insect population rate of going down of aphid reaches more than 80% after 7 days, and to natural enemy and other non-target organism safety.

Claims (7)

1. aphid alarm pheromones analog microemulsion, this microemulsion comprises the former medicine of aphid alarm pheromones analog CAU-1204 and auxiliary agent, and the structure of the former medicine of described CAU-1204 is: Auxiliary agent comprises solvent, cosolvent, emulsifier, antifreezing agent, water; Described microemulsion is characterised in that: the material by following percentage by weight is formed: aphid alarm pheromones analog CAU-1204:1~25%, organic solvent: 5~30%, cosolvent: 10~25%, emulsifier: 15~30%, antifreezing agent: 0~5%, surplus is water.
2. aphid alarm pheromones analog microemulsion according to claim 1, it is characterized in that: described organic solvent is one or more in butanols, propyl alcohol, n-butanol, amylalcohol, toluene, dimethylbenzene, acetic acid, ethyl acetate, cyclohexanone, the carrene.
3. aphid alarm pheromones analog microemulsion according to claim 1, it is characterized in that: described cosolvent is one or more in methyl alcohol, propyl alcohol, butanols, the amylalcohol.
4. aphid alarm pheromones analog microemulsion according to claim 1, it is characterized in that: described emulsifier is styryl phenyl APEO, styryl phenyl polyoxyethylene ether phosphate, alkyl phenol formaldehyde resin polyoxyethylene ether, phenethyl phenyl polyoxyethylene one polyethenoxy ether, calcium dodecyl benzene sulfonate, the sorbitan fatty acid ester APEO, fatty alcohol-polyoxyethylene ether, polyoxyethylene nonylphenol ether, alkylphenol polyoxyethylene, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, in the compound of anion and non-ionic surface active agent etc. one or more.
5. aphid alarm pheromones analog microemulsion according to claim 1, described former medicine are content at 85~99.9% aphid alarm pheromones analog CAU-1204.
6. the preparation method of the described aphid alarm pheromones of a claim 1-5 analog microemulsion, its preparation process is as follows:
1) the former medicine of aphid alarm pheromones analog CAU-1204 with 1~25 weight portion is dissolved in the organic solvent of 5~30 weight portions, adds the cosolvent of 10~25 weight portions, is stirred to former medicine and dissolves fully;
2) in the mixed liquor of above-mentioned step 1), add the emulsifier of 15~30 weight portions and the antifreezing agent of 0~5 weight portion, be stirred to homogeneous phase transparent liquid;
3) to step 2) mixed liquor in slowly add water and be supplemented to 100 weight portions, fully stir simultaneously, get the transparence uniform liquid, namely make aphid alarm pheromones analog CAU-1204 microemulsion.
7. the application of the described aphid alarm pheromones of claim 1-5 analog microemulsion in anti-eliminating aphis.
CN2013101579445A 2013-05-02 2013-05-02 Micro-emulsion with aphid alarm pheromone analogue and preparation method for micro-emulsion Pending CN103238591A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105594748A (en) * 2014-10-15 2016-05-25 浙江新安化工集团股份有限公司 Precisely-oriented and efficient Lepidoptera pest prevention and control insect disinfestation composition and use method thereof
CN106561359A (en) * 2016-11-19 2017-04-19 福建省农业科学院植物保护研究所 Method for combined prevention and treatment of aphis pests by using pheromone complex and ladybugs
CN108168967A (en) * 2017-12-12 2018-06-15 重庆师范大学 A kind of preparation method of fish warning information element

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CN1631883A (en) * 2004-12-13 2005-06-29 中国农业大学 EBF analogues containing oxadiazine and preparation method and application thereof

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1631883A (en) * 2004-12-13 2005-06-29 中国农业大学 EBF analogues containing oxadiazine and preparation method and application thereof

Non-Patent Citations (1)

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Title
游越: "蚜虫报警信息素微乳剂的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105594748A (en) * 2014-10-15 2016-05-25 浙江新安化工集团股份有限公司 Precisely-oriented and efficient Lepidoptera pest prevention and control insect disinfestation composition and use method thereof
CN106561359A (en) * 2016-11-19 2017-04-19 福建省农业科学院植物保护研究所 Method for combined prevention and treatment of aphis pests by using pheromone complex and ladybugs
CN106561359B (en) * 2016-11-19 2019-11-19 福建省农业科学院植物保护研究所 A method of combining prevention and treatment phytophthira pest with ladybug using pheromones compound
CN108168967A (en) * 2017-12-12 2018-06-15 重庆师范大学 A kind of preparation method of fish warning information element

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Application publication date: 20130814