CN102726462A - Duchesnea indica Focke-containing plant source mosquito larvae killing agent and its preparation method - Google Patents
Duchesnea indica Focke-containing plant source mosquito larvae killing agent and its preparation method Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a Duchesnea indica Focke-containing plant source mosquito larvae killing agent, the prepared plant source mosquito larvae killing agent is prepared by taking Duchesnea indica stem leaf fine powder or a Duchesnea indica extract as a main component and adding an auxiliary agent, the preparation form can be a soluble liquid formulation, a wettable powder, a water dispersion granule, a particulate agent, a micron emulsion or an emulsion in water. According to the invention, the Duchesnea indica Focke-containing plant source mosquito larvae killing agent has substantial drug effect, an active compound is a naturally existed substance, the inherent energy and circulated and metabolic pathway of substances during a long evolutionary process can be formed, no residue is existed after application, biological enrichment can not be generated; the agent is relatively safe to a non target biophase; and the present invention is not easy to generate pesticide resistance. The agent of the invention is suitable for sensitive areas of indoor and outdoor mosquito places, drinking water treatment and the like.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to agricultural chemicals preparation and manufacture field, particularly a kind of mosquito larvae agent and method thereof extremely of utilizing the plant mock-strawberry for feedstock production.
Background technology
Mock-strawberry (Duchesnea indica Focke.) is a rose family mock-strawberry platymiscium, call three wind, cockscomb fruit, the certain kind of berries, tassel flower, five-fingered jack, Disporum viridescens (Maxim.) Nakai-D. A Grag var Maxim etc.Mock-strawberry is a herbaceos perennial, overgrows, and takes root on the joint, and rhizome is short, and is sturdy; Trifoliolate leaf has tooth, opens chrysanthemum, and the hypocarp cerise is expanded as covering basin.
The mock-strawberry herb all can be used as medicine, and has the effect of heat-clearing, cool blood, detumescence, detoxifcation, is used for treating that the frightened epilepsy of pyreticosis, abscess of throat, cough haematemesis, furunculosis carbuncle are swollen, snake bite and insect sting, eczema, dysentery and burn and scald etc. more.Pharmacological research shows in addition, and that mock-strawberry has is anticancer, antibacterial, the effect of enhance immunity, and cardiovascular, smooth muscle, central nervous system, internal secretion are also had certain effect.
The mock-strawberry adaptive faculty is strong, except that high and cold, arid Desert Area, in China south, northern wide geographic area all has distribution.Under field conditions (factors), wild in the hillside, roadside, limes marginis, ridge etc. locate, and grows fine, and often forms large stretch of surging group.
The extraction that the research of mock-strawberry at present mainly concentrates on its chemical composition with separate; The mock-strawberry chemical composition of public reported is main with phenolic acid and phenol esters of gallic acid, triterpenes; Phenolic compound mainly contains gallic acid, methyl caffeate, protocatechuic acid, Pedunculagin, brevifolin carboxylic acid, and triterpene compound is main with ursolic acid, tormentic acid, rosamultin etc. mainly.Contain kaemferitrin in addition---a unique flavonoids.According to the data-searching that the applicant did, the bright rare report of the application of Herba Duchesneae Indicae extract on agricultural chemicals.
Summary of the invention
The objective of the invention is to, a kind of mosquito larvae agent and method thereof extremely of utilizing the plant mock-strawberry for feedstock production is provided, do not contain any chemical pesticide composition,, use the back insect to be difficult for developing immunity to drugs the people, animal low toxicity.
For realizing above-mentioned task, the technical scheme that the present invention takes is:
A kind of plant resource that contains mock-strawberry active ingredient kills the mosquito larvae agent, it is characterized in that, the mosquito larvae agent of should killing that makes is a main component and to add auxiliary agent formulated by Herba Duchesneae Indicae extract, and the preparation form is soluble liquid or granule, wherein:
Described soluble liquid is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～30%, emulsifier: 10%～20%, surplus is a solvent, the percentage by weight sum of raw material is 100%.
Described wetting powder is prepared by following raw materials by weight:
Mock-strawberry cauline leaf fine powder: 40%～60%, wetting agent: 1%～5%, dispersant: 5～15%, surplus is a filler, the percentage by weight sum of raw material is 100%.
Described water dispersible granules is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～50%, wetting agent: 1%～10%; Dispersant: 2%～10%, disintegrant: 5～10%, binding agent: 1%～5%, all the other are carrier, the percentage by weight sum of raw material is 100%.
Described granule is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 5%～20%, dispersant: 1%～5%, binding agent: 1%～10%, all the other are carrier, the percentage by weight sum of raw material is 100%.
Described microemulsion is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～30%, solvent 40～84%, surfactant 1%～20%, the summation of raw material is 100%.
The following again raw materials by weight preparation of described aqueous emulsion:
Herba Duchesneae Indicae extract: 10%～50%, organic solvent: 0～30%, surfactant: 5%～20%, antifreezing agent: 4%～10%, thickener: 0.2～1%; Surplus is a water, and the percentage by weight sum of raw material is 100%.
Described Herba Duchesneae Indicae extract is that the stem of mock-strawberry, leaf are pulverized, and uses industrial alcohol extract, and extract obtains through concentrating.
Described emulsifier is one or more a mixture in the addition product, aralkyl phenol polyethenoxy ether formaldehyde condensation products of alkyl benzene sulfonate, APES class, phenethyl phenol polyethenoxy ethers, polyoxypropylene ethers and similar substance, castor oil and oxirane;
Described organic solvent is one or more mixtures in ethyl acetate, cyclohexanone, ethanol, methyl alcohol, dimethyl formamide or the solvent well known in the art;
Described wetting agent is one or more the mixture in alkylaryl sulfonates, alkylbenzenesulfonate, alkyl sulfate, sulphonyl succinate, the lignosulfonates;
Described dispersant is one or more the mixture in naphthalenesulfonate formaldehyde condensation compound, lignin and derivative sulfonate thereof, the carboxymethyl cellulose;
Described disintegrant is one or more the mixture in sodium pyrophosphate, potassium pyrophosphate, sodium phosphate trimer, sodium dihydrogen phosphate and the polysaccharide;
Described binding agent is bentonite and imvite;
Described filler or carrier are that talcum powder, white carbon, diatomite, bentonite, granular float stone, perlite, people's granulation load one or more the mixture in body, gangue, the vermiculite.
Described surfactant is one or more a mixture of this area all kinds of surface reactive materials commonly used.
Described antifreezing agent is ethylene glycol or propane diols;
Described thickener is one or more the mixture in polyvinyl alcohol, xanthans, sodium carboxymethylcellulose, the Magnesiumaluminumsilicate.
The above-mentioned plant resource that contains Herba Duchesneae Indicae extract kills the mosquito larvae agent and it is characterized in that, carries out according to the following steps:
40 mesh sieves are crossed in A, the mock-strawberry stem with drying, leaf pulverizing;
B, use 3～4 times of industrial alcohols to be solvent, at 50～60 ℃ of ultrasonic Extraction 1h to mock-strawberry crushed material quality;
C, with the method for vacuum concentration, with mock-strawberry get the thing leaf be concentrated into the mock-strawberry raw meal mince etc. heavy, Herba Duchesneae Indicae extract;
D, in the preparation still, with Herba Duchesneae Indicae extract, emulsifier, solvent, in the preparation still, stir transparently according to proportional quantity, promptly get soluble liquid through quality inspection;
E, the meal of steps A gained minced pulverize with the high energy cracker; Cross 325 mesh sieves; And guarantee that the crushed material more than 95% passes through 325 mesh sieves, fine powder after the pulverizing and filler, insecticides adjuvant are promptly processed wetting powder after fully mixing according to the wetting powder proportional quantity;
F, mix according to proportional quantity, after stirring, obtain the order powder through pulverizing, order powder and binding agent are mixed, granulation then, oven dry, screening are passed through quality inspection and are promptly got water dispersion granule.
G, in the absorption mixer, according to the granule proportional quantity Herba Duchesneae Indicae extract, dispersant binding agent are mixed, through after the quality inspection, promptly process granule.
H, in agitated reactor, according to the microemulsion proportional quantity Herba Duchesneae Indicae extract, organic solvent, surfactant, antifreezing agent and water are mixed, in agitated reactor, stir transparently, promptly get microemulsion through quality inspection;
I, Herba Duchesneae Indicae extract, organic solvent, surfactant, antifreezing agent, thickener and water are mixed, divide diffusingly in the effect lactogenesis of high-speed shearing machine,, promptly process aqueous emulsion through after the quality inspection according to proportional quantity.
It is a kind of novel mosquito larvae agent extremely that the plant resource that contains mock-strawberry active ingredient of the present invention kills the mosquito larvae agent, and culex pipiens pallens larvae is had the better prevention effect, is desirable nuisanceless mosquito larvae agent extremely.
The invention has the advantages that:
1, mock-strawberry is a natural active matter, derives from nature, in the evolution of long period of time process, has formed intrinsic energy and material circulation metabolic pathway, so use the back noresidue, can not cause biological concentration; In environment, be prone to degraded, to mammal low toxicities such as people and animals, to pest natural enemy and other beneficial organism safety.
2, the formulation that is adopted is mainly soluble liquid, granule etc., without aromatic hydrocarbon solvents such as xylol, greatly reduces environment damage, has reduced in the dispenser process murder by poisoning to operator.
3, the mechanism of action to insect is different from conventional pesticide, and insect is difficult for developing immunity to drugs.
Embodiment
The applicant finds that the mosquito larvae extremely of mock-strawberry is active on the basis of 96 plant species being killed the active extensively screening of mosquito larvae, its extract shows higher cytotoxicity to culex pipiens pallens larvae.The applicant is a main component and to add auxiliary agent formulated with mock-strawberry cauline leaf fine powder or Herba Duchesneae Indicae extract, and the preparation form is soluble liquid, wetting powder, water dispersible granules, granule, microemulsion or aqueous emulsion; Wherein:
Described soluble liquid is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～30%, emulsifier: 10%～20%, surplus is a solvent, the percentage by weight sum of raw material is 100%;
Described wetting powder is prepared by following raw materials by weight:
Mock-strawberry cauline leaf fine powder: 40%～60%, wetting agent: 1%～5%, dispersant: 5%～15%, surplus is a filler, the percentage by weight sum of raw material is 100%;
Described water dispersible granules is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～50%, wetting agent: 1%～10%; Dispersant: 2%～10%, disintegrant: 5%～10%, all the other are carrier, the percentage by weight sum of raw material is 100%;
Described granule is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 5%～20%; Dispersant: 1%～5%, binding agent: 1%～10%, all the other are carrier, the percentage by weight sum of raw material is 100%;
Described microemulsion is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～30%, solvent: 40%～84%, surfactant 1%～20%, the summation of raw material is 100%;
The following again raw materials by weight preparation of described aqueous emulsion:
Herba Duchesneae Indicae extract: 10%～50%, organic solvent: 0～30%, surfactant: 5%～20%, antifreezing agent: 4%～10%, thickener: 0.2～1%; Surplus is a water, and the percentage by weight sum of raw material is 100%.
For the clearer drug effect of understanding the present invention and medicament of the present invention; Below the concrete embodiment that accomplishes according to technical scheme of the present invention that provides through the inventor the present invention is done further detailed description; These only are the present invention embodiment preferably, but are not limited to these embodiment.
Need to prove that in following embodiment, it is raw material that Herba Duchesneae Indicae extract adopts mock-strawberry stem, leaf, uses industrial alcohol extract, extract obtains through concentrating.
Emulsifier can be one or more a mixture in the addition product, aralkyl phenol polyethenoxy ether formaldehyde condensation products of alkyl benzene sulfonate, APES class, phenethyl phenol polyethenoxy ethers, polyoxypropylene ethers and similar substance, castor oil and oxirane;
Organic solvent is one or more mixtures in ethyl acetate, cyclohexanone, ethanol, methyl alcohol, dimethyl formamide or the solvent well known in the art;
Wetting agent can be one or more the mixture in alkylaryl sulfonates, alkylbenzenesulfonate, alkyl sulfate, sulphonyl succinate, the lignosulfonates;
Dispersant can be one or more the mixture in naphthalenesulfonate formaldehyde condensation compound, lignin and derivative sulfonate thereof, the carboxymethyl cellulose;
Disintegrant can be one or more the mixture in sodium pyrophosphate, potassium pyrophosphate, sodium phosphate trimer, sodium dihydrogen phosphate and the polysaccharide;
Binding agent can be bentonite and imvite; Filler or carrier can be that common brick, clay, slag kaolin, diatomite, white carbon, granular float stone, perlite, people's granulation load one or more the mixture in body, gangue, the vermiculite;
Surfactant is one or more a mixture of this area all kinds of surface reactive materials commonly used.
Described antifreezing agent is ethylene glycol or propane diols;
Described thickener is one or more the mixture in polyvinyl alcohol, xanthans, sodium carboxymethylcellulose, the Magnesiumaluminumsilicate.
Embodiment 1: contain the preparation that Herba Duchesneae Indicae extract kills mosquito larvae wettable liquor
Take by weighing Herba Duchesneae Indicae extract 20kg, NPE phosphate 15kg, ethanol 65kg add in the preparation still, are stirred well to transparently, get final product to such an extent that contain the soluble liquid 100kg of 20% mock-strawberry.
Embodiment 2: contain the preparation that Herba Duchesneae Indicae extract kills the mosquito larvae wetting powder
Take by weighing mock-strawberry meal 55kg, be crushed to 95% and cross 325 mesh sieves, after this tissue fine powder is fully mixed with the white carbon black of 20kg, 15kg sodium lignin sulfonate, 10kg dispersant NNO, get final product to such an extent that contain 55% mock-strawberry wettable insecticidal dust 100kg.
Embodiment 3: contain the preparation that Herba Duchesneae Indicae extract kills the mosquito larvae water dispersible granules
Take by weighing Herba Duchesneae Indicae extract 20kg; After adding 15kg wetting agent, 10kg lignin, 5kg sodium pyrophosphate, 48kg diatomite stir; Obtain the order powder through pulverizing; Order powder and 2kg imvite are mixed, granulation then, oven dry, screening, the process quality inspection promptly gets and contains 20% mock-strawberry water dispersion granule 100kg.
Embodiment 4: contain the preparation that Herba Duchesneae Indicae extract kills the mosquito larvae granule
Take by weighing Herba Duchesneae Indicae extract 15Kg, add 15Kg Dispersant MF, 5Kg dispersant ME, 65Kg slag kaolin mixing, granulation then, oven dry, screening, the process quality inspection promptly gets and contains 15% mock-strawberry granule 100Kg.
Embodiment 5: contain the preparation that Herba Duchesneae Indicae extract kills the mosquito larvae microemulsion
Take by weighing Herba Duchesneae Indicae extract 25kg and 20kg NPE phosphate, be dissolved in the 5kg methyl alcohol, above solution is heated to 40 ℃ in homogenizer, add deionized water 50kg under the high-speed stirred; Dropwise, stir 45min again, cooling promptly gets the microemulsion 100kg that contains 25% mock-strawberry.
Embodiment 6: contain the preparation that Herba Duchesneae Indicae extract kills the mosquito larvae aqueous emulsion
Take by weighing Herba Duchesneae Indicae extract 25kg,, under agitation add NPE phosphate 20kg, stir, add deionized water 50kg, get final product to such an extent that contain 25% mock-strawberry aqueous emulsion 100kg with methyl alcohol 5kg dissolving.
Among the above-mentioned preparation embodiment, the consumption of mock-strawberry cauline leaf fine powder or Herba Duchesneae Indicae extract has only been selected a kind of, is used for test and investigates.Certainly, in the making of preparation soluble liquid, wetting powder, water dispersible granules, granule, microemulsion or aqueous emulsion, in the scope that the present invention requires, all can access qualified preparation.
EXPERIMENTAL EXAMPLE 1: the indoor determination of activity of mock-strawberry ethanol extract Culex pipiens pallens 3 instar larvaes
1.1 materials and methods
1.1.1 examination worm
Culex pipiens pallens Culex pipiens pallens, Nuisanceless Pesticide Research Service Center, Xibei Agroforestry Science and T cultures.
1.1.2 supply the reagent agent
The mock-strawberry ethanol extract extracts acquisition by Nuisanceless Pesticide Research Service Center, Xibei Agroforestry Science and T from mock-strawberry.
1.2 give birth to the survey method
The immersion method of WHO recommendation is adopted in this experiment to the mensuration of culex pipiens pallens larvae toxic action.Concrete operations are following: during mensuration, get the mock-strawberry ethanol extract and spend the soup that chlorine water is diluted to certain multiple.In the 100ml beaker, add 25ml dechlorination air water respectively, introduce 15 Culex pipiens pallens 3 instar larvaes that size is consistent, healthy, strong then, last taking liquid 25ml joins in the small beaker.Place under (26 ± 1) ℃, humidity (70 ± 10) %, illumination 12:12 (L:D) condition,, calculate lethality and corrected mortality respectively at 6h, 24h check result.The vibration beaker, and touch the examination worm with blunt-ended forceps, promptly be judged to death if the examination worm is motionless.Each sample triplicate is made solvent control with the ethanol of respective volume mark, and make blank with clear water at every turn.
1.3 result and analysis
Adopt immersion method, system measurement the cytotoxicity of mock-strawberry ethanol extract to Culex pipiens pallens 3 instar larvaes, added up the lethality of 6h, 24h, and tried to achieve the virulence curve, the result sees table 1 and table 2.
Table 1: the mock-strawberry ethanol extract is to the toxic effect of Culex pipiens pallens 3 instar larvaes
Table 2: the mock-strawberry ethanol extract is to culex pipiens pallens larvae 24h Toxicity Determination result
| The medicament title | Virulence regression equation (Y=) | LC 50(mg/L) | Correlation coefficient r | Chi-square value X 2 |
| The mock-strawberry ethanol extract | 1.2675+2.7331X | 23.21 | 0.8988 | 3.19 |
Can know that by above-mentioned two tables mock-strawberry has cytotoxicity preferably to culex pipiens pallens larvae.
EXPERIMENTAL EXAMPLE 2: contain the thing source that Herba Duchesneae Indicae extract plants and kill mosquito larvae agent kill mosquito larva field trial
Be the drug effect situation that mosquito larvae agent kill mosquito larva is killed in clear and definite six plant species sources, the applicant in 2011 in Shaanxi Province the Yang Ling demonstration area this medicament has been carried out the test of on-the-spot kill mosquito larva effect.
1.1 examination worm
The Culex pipiens pallens Culex pipiens pallens that under the natural conditions of Yang Ling area, grows, aedes albopictus Aedes albopictus.
1.2 supply the reagent agent
Contain 30% mock-strawberry soluble liquid, medicament code name SM1;
Contain 60% mock-strawberry wetting powder, medicament code name SM2;
Contain 25% mock-strawberry water dispersible granules, medicament code name SM3;
Contain 20% mock-strawberry granule, medicament code name SM4;
Contain 25% mock-strawberry microemulsion, medicament code name SM5;
Contain 25% mock-strawberry aqueous emulsion, medicament code name SM6;
1% Swebate granule, medicament code name 007 is produced by BASF China;
20% methylpyridine phosphorus aqueous emulsion, medicament code name 008, company produces by yiyang, hunan sea profit chemical science and technology.
1.3 test method
Get 40 Plastic Drums (bore 28cm, footpath, end 25cm, high 35cm), be used separately as experimental group (n=4) and control group (n=4).Bucket is placed on the outdoor bosky meadow, and (depth of water is about 20cm, and surface area is about 0.055m to put into the sewage 10L that is fetched by the evil dried rhizome of rehmannia in each barrel
2), about 150 of mosquito larvae makes an experiment behind the adaptation 1d.Use SM1, SM2, SM3, SM4, SM5, SM6 respectively and (be 1.0g/m by active ingredient
3), 007 (by active ingredient is 0.5g/m
3), 008 (by active ingredient 0.8g/m
3).And after on-test, added 50 of the mosquito larvaes of catching back from the evil dried rhizome of rehmannia respectively to experimental group, each barrel of control group in the 12nd day, the 26th day.
1.4 density survey method
Use the special-purpose bailer (capacity is about 200ml) of investigation mosquito larvae density, choose the higher position of mosquito larvae density along the barrel edge water surface and bail once, the counting mosquito larvae.Before dispenser after 1d and dispenser the 1st, 7,14,21,28 and 35d respectively investigate 1 time, investigate altogether 7 times.
1.5 the result calculates
1.6 result and analysis
Adopt the Plastic Drum method to measure the test of 8 kinds of different medicaments to mosquito larvae poisoning drug effect, the result sees table 3.Can know by table 3, at 1.0g/m
3Under the dosage, the plant resource that contains mock-strawberry kills the mosquito larvae agent after handling one day, and mosquito larvae density descends all above 90%, the rate of descent that still had above 80% in the 28th day after processing.Simultaneously, in 28 days after processing, the RPI that the plant resource that 6 kinds of present embodiment preparation contain mock-strawberry kills the mosquito larvae agent all is lower than 50, explains that mosquito larvae is had the better prevention effect.In addition, it is close that whole control efficiency and the common chemical that the mosquito larvae agent is killed in this 6 plant species source killed mosquito larvae agent 007 (1% peace is equipped with granule), is better than 008 (20% methylpyridine phosphorus aqueous emulsion).
The different medicaments of table 3:8 kind are to mosquito larvae cytotoxicity result
The plant resource that 6 kinds of the foregoing description preparation contain mock-strawberry kills during the mosquito larvae agent tests at the scene; Quick-acting is preferably not only arranged; Also to kill the mosquito larvae agent suitable with chemistry for lasting effect; And to non-target organism and environmental friendliness, therefore very suitable in water source processing, gardens water body facility and family daily life, have very big application and popularization value.
Though, the present invention has been done detailed description in the preceding text with general explanation and specific embodiments, on basis of the present invention, can to some corrections of do or improvement, this will be apparent to those skilled in the art.Therefore, these corrections or the improvement on the basis of not departing from spirit of the present invention, done all belong to protection scope of the present invention.
Claims (4)
1. a plant resource that contains mock-strawberry active ingredient kills the mosquito larvae agent; It is characterized in that; It is main component and to add auxiliary agent formulated by mock-strawberry cauline leaf fine powder or Herba Duchesneae Indicae extract that this plant resource that makes kills the mosquito larvae agent, and the preparation form is soluble liquid, wetting powder, water dispersible granules, granule, microemulsion or aqueous emulsion; Wherein:
Described soluble liquid is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～30%, emulsifier: 10%～20%, surplus is a solvent, the percentage by weight sum of raw material is 100%;
Described wetting powder is prepared by following raw materials by weight:
Mock-strawberry cauline leaf fine powder: 40%～60%, wetting agent: 1%～5%, dispersant: 5%～15%, surplus is a filler, the percentage by weight sum of raw material is 100%;
Described water dispersible granules is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～50%, wetting agent: 1%～10%; Dispersant: 2%～10%, disintegrant: 5%～10%, all the other are carrier, the percentage by weight sum of raw material is 100%;
Described granule is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 5%～20%; Dispersant: 1%～5%, binding agent: 1%～10%, all the other are carrier, the percentage by weight sum of raw material is 100%;
Described microemulsion is prepared by following raw materials by weight:
Herba Duchesneae Indicae extract: 10%～30%, solvent: 40%～84%, surfactant 1%～20%, the summation of raw material is 100%;
The following again raw materials by weight preparation of described aqueous emulsion:
Herba Duchesneae Indicae extract: 10%～50%, organic solvent: 0～30%, surfactant: 5%～20%, antifreezing agent: 4%～10%, thickener: 0.2～1%; Surplus is a water, and the percentage by weight sum of raw material is 100%.
2. the plant resource that contains mock-strawberry active ingredient as claimed in claim 1 kills the mosquito larvae agent, it is characterized in that, it is raw material that described Herba Duchesneae Indicae extract adopts stem, the leaf of mock-strawberry, uses industrial alcohol extract, and extract obtains through concentrating.
3. the plant resource that contains mock-strawberry active ingredient as claimed in claim 1 kills the mosquito larvae agent, it is characterized in that:
Described emulsifier is one or more a mixture in the addition product, aralkyl phenol polyethenoxy ether formaldehyde condensation products of alkyl benzene sulfonate, APES class, phenethyl phenol polyethenoxy ethers, polyoxypropylene ethers and similar substance, castor oil and oxirane;
Described organic solvent is one or more mixtures in ethyl acetate, cyclohexanone, ethanol, methyl alcohol, dimethyl formamide or the solvent well known in the art;
Described wetting agent is one or more the mixture in alkylaryl sulfonates, alkylbenzenesulfonate, alkyl sulfate, sulphonyl succinate, the lignosulfonates;
Described dispersant is one or more the mixture in naphthalenesulfonate formaldehyde condensation compound, lignin and derivative sulfonate thereof, the carboxymethyl cellulose;
Described disintegrant is one or more the mixture in sodium pyrophosphate, potassium pyrophosphate, sodium phosphate trimer, sodium dihydrogen phosphate and the polysaccharide;
Described binding agent is bentonite and imvite;
Described filler or carrier are that talcum powder, white carbon, diatomite, bentonite, granular float stone, perlite, people's granulation load one or more the mixture in body, gangue, the vermiculite;
Described surfactant is one or more a mixture of this area all kinds of surface reactive materials commonly used;
Described antifreezing agent is ethylene glycol or propane diols;
Described thickener is one or more the mixture in polyvinyl alcohol, xanthans, sodium carboxymethylcellulose, the Magnesiumaluminumsilicate.
4. the described plant resource that contains mock-strawberry active ingredient of claim 1 kills the preparation method of mosquito larvae agent, it is characterized in that, carries out according to the following steps:
40 mesh sieves are crossed in A, the mock-strawberry stem with drying, leaf pulverizing;
B, use 3～4 times of industrial alcohols to be solvent, at 50～60 ℃ of ultrasonic Extraction 1h to mock-strawberry crushed material quality;
C, with the method for vacuum concentration, with mock-strawberry get the thing leaf be concentrated into the mock-strawberry raw meal mince etc. heavy, Herba Duchesneae Indicae extract;
D, in the preparation still, with Herba Duchesneae Indicae extract, emulsifier, solvent, in the preparation still, stir transparently according to proportional quantity, promptly get soluble liquid through quality inspection;
E, the meal of steps A gained minced pulverize with the high energy cracker;, cross 325 mesh sieves, and guarantee that the crushed material more than 95% passes through 325 mesh sieves; Fine powder after the pulverizing and filler, insecticides adjuvant are promptly processed wetting powder after fully mixing according to the wetting powder proportional quantity;
F, mix according to proportional quantity, after stirring, obtain the order powder through pulverizing, order powder and binding agent are mixed, granulation then, oven dry, screening are passed through quality inspection and are promptly got water dispersion granule;
G, in the absorption mixer, according to the granule proportional quantity Herba Duchesneae Indicae extract, dispersant binding agent are mixed, granulation then, oven dry, screening through after the quality inspection, are promptly processed granule;
H, in agitated reactor, according to the microemulsion proportional quantity Herba Duchesneae Indicae extract, organic solvent, surfactant, antifreezing agent and water are mixed, in agitated reactor, stir transparently, promptly get microemulsion through quality inspection;
I, Herba Duchesneae Indicae extract, organic solvent, surfactant, antifreezing agent, thickener and water are mixed, divide diffusingly in the effect lactogenesis of high-speed shearing machine,, promptly process aqueous emulsion through after the quality inspection according to proportional quantity.
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| CN2012102128833A CN102726462B (en) | 2012-06-22 | 2012-06-22 | Duchesnea indica Focke-containing plant source mosquito larvae killing agent and its preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105767040A (en) * | 2016-04-08 | 2016-07-20 | 常州润达科技信息咨询有限公司 | Botanical pesticide for lepidoptera pests |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101559A (en) * | 1993-10-14 | 1995-04-19 | 刘彦彬 | Traditional Chinese medicine oral administration liquid for anti-cancer and its preparing method |
| CN1504216A (en) * | 2002-11-29 | 2004-06-16 | 贵阳新天药业股份有限公司 | Compound formulation of traditional Chinese medicine for assistant treatment of tumour and preparation method thereof |
| CN101486771A (en) * | 2009-02-27 | 2009-07-22 | 中国药科大学 | Duchesnea polysaccharide, as well as preparation and use thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101559A (en) * | 1993-10-14 | 1995-04-19 | 刘彦彬 | Traditional Chinese medicine oral administration liquid for anti-cancer and its preparing method |
| CN1504216A (en) * | 2002-11-29 | 2004-06-16 | 贵阳新天药业股份有限公司 | Compound formulation of traditional Chinese medicine for assistant treatment of tumour and preparation method thereof |
| CN101486771A (en) * | 2009-02-27 | 2009-07-22 | 中国药科大学 | Duchesnea polysaccharide, as well as preparation and use thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105767040A (en) * | 2016-04-08 | 2016-07-20 | 常州润达科技信息咨询有限公司 | Botanical pesticide for lepidoptera pests |
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