CN101743969B - Mixed insecticide of tea saponin and neonicotine insecticide - Google Patents
Mixed insecticide of tea saponin and neonicotine insecticide Download PDFInfo
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- CN101743969B CN101743969B CN2009102143615A CN200910214361A CN101743969B CN 101743969 B CN101743969 B CN 101743969B CN 2009102143615 A CN2009102143615 A CN 2009102143615A CN 200910214361 A CN200910214361 A CN 200910214361A CN 101743969 B CN101743969 B CN 101743969B
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Abstract
The invention discloses a mixed insecticide of tea saponin and a neonicotine insecticide. The mixed pesticide preparation comprises the components in percent by weight: 0.01% to 80% of tea saponin, 0.5% to 80% of neonicotine insecticide and the balance of assistant agent. The mixed pesticide preparation can be prepared into missible oil, wettable powder, microemulsion, a suspension agent, a suspension emulsion or a water emulsion. The neonicotine insecticide and the tea saponin are selected for mixing, therefore, the mixed insecticide has obvious synergy; compared with a single agent, insecticidal activity is obviously enhanced; and the mixed insecticide has multiple treating effects on various pests, thereby reducing manpower and material utilization in the processes of controlling the pests and enhancing production benefits. At the same time, on the premise of ensuring medical effects, the invention remarkably reduces the cost. The mixed insecticide has various preparations, simple preparation method and high popularization value.
Description
Technical field
The present invention relates to a kind of agricultural insecticide, be specifically related to the insecticide that a kind of Tea Saponin and anabasine insecticide are mixed.
Background technology
Because long-term, a large amount of unreasonable uses of chemical pesticide, and because the intrinsic shortcoming of some medicament itself has caused insect generation " 3R " problem.Therefore, be object with the natural products, seek bioactivator, the research and development novel biopesticide enjoys attention at home and abroad, and wherein, botanical pesticide is the most noticeable one type.Being mixed of the exploitation of botanical pesticide, botanical pesticide and chemical pesticide, botanical pesticide and being mixed of microbial pesticide all are the forward position and the focus of pesticide research in the world.
Tea Saponin (Tea saponin) is the vegetable insecticide that from the tea cake after the seed of plant of theaceae such as tea seed cake, the tea-seed oil expression, extracts, and belongs to pentacyclic triterpenoid, and its pure article are colorless prismatic crystal, have hygroscopicity, and bitter is pungent, and molecular formula is C
57H
90O
26, molecular weight is 1191.31,223～224 ℃ of fusing points, and soluble in water and organic solvents such as alcohols, organic acid are insoluble to organic solvents such as ether, benzinum, benzene.
Tea Saponin is a kind of nonionic surface active agent, has that stronger exhibition is puted forth effort, emulsifying ability, dispersion force, wetting power and a foaming power, and cold-blooded animal is had high poison, and people and animals are waited the nontoxic or low toxicity of homoiothermy animal.This compound has desinsection, sterilization, kills mite and reduces capillary multiple function, has different mechanism of action with chemical pesticide.But Tea Saponin has action of contace poison and stomach poison function to damage by disease and insect, but Tea Saponin quick-acting is poor, application dosage is big, and result of use is bad separately.
Anabasine insecticide comes from botanical pesticide nicotine; This insecticides has unique mechanism of action, does not have cross resistance with common insecticides, and it not only has efficiently, wide spectrum and the good interior absorption of root, tag and stomach poison function; And it is low to mammalian toxicity, environmentally safe.Can effectively prevent and treat insects such as Homoptera, coleoptera, diptera and Lepidoptera, the insect that develops immunity to drugs with the conventional pesticides control is also had good activity.Both can be used for cauline leaf and handled, also can be used for soil, seed treatment.Therefore, caused people's extensive concern.But, the risk that the independent use cost of anabasine insecticide is higher and existence is developed immunity to drugs.
Do not see the technology report about Tea Saponin and anabasine combination operation technique scheme at present.
Summary of the invention
The objective of the invention is to make full use of the unique effect mechanism of abundant plant resources and botanical pesticide, the insecticide that provides a kind of Tea Saponin and anabasine insecticide to be mixed, have efficiently, wide spectrum, be difficult for developing immunity to drugs, superiority such as low toxicity.
The present invention provides the various formulations and the preparation method of the insecticide that said Tea Saponin and anabasine insecticide be mixed simultaneously.
The object of the invention is achieved through following technical proposals:
The Pesticidal combination of a kind of Tea Saponin and anabasine is provided, comprises each component of following weight percentage:
Tea Saponin: 0.01～80%
Anabasine insecticide: 0.5～80%
The auxiliary agent surplus.
Preferably, the said Pesticidal combination that contains Tea Saponin and anabasine comprises each component of following weight percentage:
Tea Saponin: 0.5～5.0%;
Anabasine insecticide: 0.5～30%;
The auxiliary agent surplus.
Said Tea Saponin can be the mixture of a kind of or arbitrary proportion of the preparation that contains Tea Saponin of the pure article of crude extract, Tea Saponin of Tea Saponin or form of ownership, if use mixture, total usage amount can not account for the maximum of preparation deal greater than Tea Saponin.
Said anabasine insecticide can be one or more in flonicamid, clothianadin, MTI-446, thiophene worm piperazine, Imidacloprid, thiophene worm quinoline or the Nitenpyram, can be former medicine or preparation.Use when multiple, total usage amount can not be greater than the maximum of the shared preparation deal of anabasine insecticide.
Said insecticide can be missible oil, wetting powder, microemulsion, suspending agent, suspended emulsion or aqueous emulsion, and the preparation method is the method that adopts usually during corresponding formulation is produced.
Described auxiliary agent is confirmed according to required formulation is different, and is specific as follows:
(1) when preparation missible oil, its auxiliary agent is
1) the surfactant comprise preparation by weight 5～70%; Surfactant is the polyethenoxy ether class of nonionic; Or the sodium alkyl sulfate of anionic or in the alkyl benzene sulfonate one or more; Use when multiple, total usage amount can not be greater than the maximum of surfactant comprise preparation deal;
2) solvent accounts for preparation by weight 25～80%; Solvent is various aromatic hydrocarbons, aliphatic hydrocarbon, ketone, ethers; In available benzene,toluene,xylene, naphthalane, gasoline, kerosene, machine oil, MEK, propylene glycol, butyl glycol ether, the benzinum one or more; Use when multiple, total usage amount can not account for the maximum of preparation deal greater than solvent;
3) cosolvent accounts for preparation by weight 5～20%, and cosolvent is one or more in methyl alcohol, isoamyl alcohol, phenol, ethyl acetate, the dimethyl sulfoxide (DMSO), uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than cosolvent;
4) pH value conditioning agent accounts for preparation by weight 0.5～1%, and pH value conditioning agent is one or more in sodium hydroxide, ammonium hydroxide, acetic acid, the hydrochloric acid, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than pH value conditioning agent;
5) synergist accounts for preparation by weight 0.5～25%, and synergist is one or more in Butacide, sulfoxide, alkyl carbonate, chlorination fat, the formaldehyde, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than synergist;
6) anti-photodissociation agent accounts for preparation by weight 0.5～15%, and anti-photodissociation agent is one or more in p-aminobenzoic acid, castor oil, the Angelica oil, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than anti-photodissociation agent;
7) the stabilizer comprises preparation by weight 0.5～15%, and stabilizing agent is one or more in epoxidized soybean oil, the epoxidized linseed, uses when multiple, and total usage amount can not be greater than the maximum of stabilizer comprises preparation deal;
8) penetrating agent accounts for preparation by weight 0.5～2%, and penetrating agent is one or more in Laurocapram, JFC-2, the maleic acid di-sec-octyl sodium sulfonate, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than penetrating agent;
(2) when the preparation wetting powder, its auxiliary agent is:
1) wetting agent accounts for preparation by weight 5～35%; Wetting agent is natural products wetting agent and anionic wetting agent; Available spaonin powder, soapberry powder, silkworm excrement, bay alcohol radical sodium sulphate, neopelex, washing powder, draw back in the powder one or more; Use when multiple, total usage amount can not account for the maximum of preparation deal greater than wetting agent;
2) dispersant accounts for preparation by weight 5～30%; Dispersant is industrial by-products and anionic dispersing agent; In available lignosulfite, lignin and derivative sulfonate, naphthalene and alkylbenzene formaldehyde condensation products sulfonate, the alkylsulfonate one or more; Use when multiple, total usage amount can not account for the maximum of preparation deal greater than dispersant;
3) filler accounts for preparation by weight 20～90%, and filler is mineral type carrier or synthetic vectors, and one or more in available kaolin, diatomite, the white carbon use when multiple, and total usage amount can not account for the maximum of preparation deal greater than filler;
(3) when the preparation microemulsion, its auxiliary agent is:
1) solvent accounts for preparation by weight 10～90%, and solvent is one or more in alcohols, ketone, ester class and the aromatic hydrocarbon, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than solvent;
2) emulsifier accounts for preparation by weight 10～40%; Emulsifier is alkyl benzene sulfonate calcium salt, alkyl benzene sulphonate magnesium salts, alkyl benzene sulphonate aluminium salt, alkyl benzene sulphonate sodium salt, alkyl benzene sulphonate barium salt, C8～C20 alkylsurfuric acid sodium salt, styrene polyoxyethylene ether ammonium sulfate salt, benzylbiphenyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy (N=15～30) ether, phenethyl phenol polyethenoxy polyoxypropylene, NPE, APES first condensation product, xenol APEO, homemade Nongru-700 number, in No. 300 one or more; Use when multiple, total usage amount can not account for the maximum of preparation deal greater than emulsifier;
3) the stabilizer comprises preparation by weight 0.5～15%; Stabilizing agent is a 3-chloro-1; In 2-expoxy propane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyvinyl one glycol diglycidyl ether, the sodium sorbate one or more; Use when multiple, total usage amount can not be greater than the maximum of stabilizer comprises preparation deal;
4) antifreezing agent accounts for preparation by weight 0.5～10%, and antifreezing agent is one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, the sorb sodium alkoxide, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than antifreezing agent;
(4) when the preparation suspending agent, its auxiliary agent is:
1) the surfactant comprise preparation by weight 5～70%; Surfactant is the polyethenoxy ether class of nonionic; Or the sodium alkyl sulfate of anionic or in the alkyl benzene sulfonate one or more; Use when multiple, total usage amount can not be greater than the maximum of surfactant comprise preparation deal;
2) solvent accounts for preparation by weight 25～80%; Solvent is various aromatic hydrocarbons, aliphatic hydrocarbon, ketone, ethers; In available benzene,toluene,xylene, naphthalane, gasoline, kerosene, machine oil, MEK, propylene glycol, butyl glycol ether, the benzinum one or more; Use when multiple, total usage amount can not account for the maximum of preparation deal greater than solvent;
3) cosolvent accounts for preparation by weight 5～20%, and cosolvent is one or more in methyl alcohol, isoamyl alcohol, phenol, ethyl acetate, the dimethyl sulfoxide (DMSO), uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than cosolvent;
4) pH value conditioning agent accounts for preparation by weight 0.5～1%, and pH value conditioning agent is one or more in sodium hydroxide, ammonium hydroxide, acetic acid, the hydrochloric acid, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than pH value conditioning agent;
5) synergist accounts for preparation by weight 0.5～25%, and synergist is one or more in Butacide, sulfoxide, alkyl carbonate, chlorination fat, the formaldehyde, uses when multiple, and total usage amount can not be greater than the maximum of deal;
6) anti-photodissociation agent accounts for preparation by weight 0.5～15%, and anti-photodissociation agent is one or more in p-aminobenzoic acid, castor oil, the Angelica oil, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than synergist;
7) the stabilizer comprises preparation by weight 0.5～15%, and stabilizing agent is one or more in epoxidized soybean oil, the epoxidized linseed, uses when multiple, and total usage amount can not be greater than the maximum of stabilizer comprises preparation deal;
8) thickener accounts for preparation by weight 0.1～10%, and thickener is one or more in silica, the bentonite, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than thickener;
(5) when the preparation suspended emulsion, its auxiliary agent is:
1) the surfactant comprise preparation by weight 5～70%; Surfactant is the polyethenoxy ether class of nonionic; Or the sodium alkyl sulfate of anionic or in the alkyl benzene sulfonate one or more; Use when multiple, total usage amount can not be greater than the maximum of surfactant comprise preparation deal;
2) solvent accounts for preparation by weight 25～80%; Solvent is various aromatic hydrocarbons, aliphatic hydrocarbon, ketone, ethers; In available benzene,toluene,xylene, naphthalane, gasoline, kerosene, machine oil, MEK, propylene glycol, butyl glycol ether, the benzinum one or more; Use when multiple, total usage amount can not account for the maximum of preparation deal greater than solvent;
3) cosolvent accounts for preparation by weight 5～20%, and cosolvent is one or more in methyl alcohol, isoamyl alcohol, phenol, ethyl acetate, the dimethyl sulfoxide (DMSO), uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than cosolvent;
4) pH value conditioning agent accounts for preparation by weight 0.5～1%, and pH value conditioning agent is one or more in sodium hydroxide, ammonium hydroxide, acetic acid, the hydrochloric acid, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than pH value conditioning agent;
5) synergist accounts for preparation by weight 0.5～25%, and synergist is one or more in Butacide, sulfoxide, alkyl carbonate, chlorination fat, the formaldehyde, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than synergist;
6) anti-photodissociation agent accounts for preparation by weight 0.5～15%, and anti-photodissociation agent is one or more in p-aminobenzoic acid, castor oil, the Angelica oil, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than anti-photodissociation agent;
7) the stabilizer comprises preparation by weight 0.5～15%, and stabilizing agent is one or more in epoxidized soybean oil, the epoxidized linseed, uses when multiple, and total usage amount can not be greater than the maximum of stabilizer comprises preparation deal;
8) thickener accounts for preparation by weight 0.1～10%, and thickener is one or more in silica, the bentonite, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than thickener;
(6) when the preparation aqueous emulsion, its auxiliary agent is:
1) solvent accounts for preparation by weight 10～90%, and solvent is one or more in alcohols, ketone, ester class and the aromatic hydrocarbon, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than solvent;
2) emulsifier accounts for preparation by weight 10～30%; Emulsifier is alkyl benzene sulfonate calcium salt, alkyl benzene sulphonate magnesium salts, alkyl benzene sulphonate aluminium salt, alkyl benzene sulphonate sodium salt, alkyl benzene sulphonate barium salt, C8～C20 alkylsurfuric acid sodium salt, styrene polyoxyethylene ether ammonium sulfate salt, benzylbiphenyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy (N=15～30) ether, phenethyl phenol polyethenoxy polyoxypropylene, NPE, APES first condensation product, xenol APEO, homemade Nongru-700 number, in No. 300 one or more; Use when multiple, total usage amount can not account for the maximum of preparation deal greater than emulsifier;
3) the stabilizer comprises preparation by weight 0.5～15%; Stabilizing agent is a 3-chloro-1; In 2-expoxy propane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyvinyl one glycol diglycidyl ether, the sodium sorbate one or more; Use when multiple, total usage amount can not be greater than the maximum of stabilizer comprises preparation deal;
4) antifreezing agent accounts for preparation by weight 0.5～10%, and antifreezing agent is one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, the sorb sodium alkoxide, uses when multiple, and total usage amount can not account for the maximum of preparation deal greater than antifreezing agent;
The said mixed insecticide preparation that contains Tea Saponin and anabasine insecticide; The method that each component is mixed with into missible oil is: by proportioning Tea Saponin and the former medicine of anabasine insecticide are dissolved in the solvent; Other auxiliary agents such as emulsifier are joined in Tea Saponin and the former drug solns of anabasine insecticide; Stir, put at last and give intense mixing in the homogenizer and homogenize promptly gets.
The said mixed insecticide preparation that contains Tea Saponin and anabasine insecticide; The method that each component is mixed with into wetting powder is: by proportioning Tea Saponin and the former medicine of anabasine insecticide are carried out joining in the blender behind the comminution by gas stream; In blender, add auxiliary agent respectively by proportioning, stir promptly and get.
The said mixed insecticide preparation that contains Tea Saponin and anabasine insecticide; The method that each component is mixed with into microemulsion is: anabasine insecticide is dissolved in the solvent; Tea Saponin is soluble in water, emulsifier is joined in the anabasine insecticide solution, stir; Add cosolvent, the Tea Saponin aqueous solution then, put at last and give intense mixing in the homogenizer and homogenize promptly gets.
The method that the said mixed insecticide preparation that contains Tea Saponin and anabasine insecticide, each component are mixed with into suspending agent is: by proportioning the former medicine of Tea Saponin and anabasine insecticide is added wetting dispersing agent, thickener, stabilizing agent, antifoaming agent, antifreezing agent, pH regulator agent and other auxiliary agent and deionized water one and arise from the ball mill ball milling and process suspending agent and promptly get.
The said mixed insecticide preparation that contains Tea Saponin and anabasine insecticide; The method that each component is mixed with into suspended emulsion is: by proportioning Tea Saponin and the former medicine of anabasine insecticide are pulverized; Add various auxiliary agents and water except that thickener again; Get into together to mix in the high-shear emulsion machine and add thickener simultaneously and further mix,, promptly get after microscopy is qualified after sand mill grinds.
The said mixed insecticide preparation that contains Tea Saponin and anabasine insecticide; The method that each component is mixed with into aqueous emulsion is: by ratio requirement Tea Saponin and the former medicine of anabasine insecticide are dissolved in the solvent; Emulsifier, cosolvent are joined in Tea Saponin and the former drug solns of anabasine insecticide; Stir, slowly add then in the entry, fully stirring promptly gets.
The insecticide that said Tea Saponin and anabasine insecticide are mixed can be applicable to prevent and treat insects such as beet armyworm or diamond-back moth, and can be applicable to double control diamond-back moth, beet armyworm and cabbage caterpillar.
The invention has the beneficial effects as follows:
The present invention has changed Tea Saponin technological prejudice as just wetting agent and synergist in the insecticidal preparation that is mixed; In the insecticides that provides, contain two kinds of active ingredients of Tea Saponin and anabasine insecticide, and these two kinds of active ingredients are biopesticide; Mechanism of action effectively combines; Especially Tea Saponin is brought into play significant synergistic effect to anabasine when self has insecticidal action, and the generation of the antagonism property of medicine has retarding action; The present composition can be used for the control of common insect in the agricultural production, for the production of agricultural, pollution-free food and nuisanceless fruits and vegetables provides safe and efficient pesticide new variety.
Insecticide of the present invention plays the double effect of controlling of a medicine to multiple insect pest, thereby reduces the manpower and materials input in the pest control process, improves productivity effect.
The present invention can prepare various formulation, and the preparation method is simple, uses the anabasine insecticide cost higher separately; And the Tea Saponin cost is very low; Adopt these two kinds of single agent composite, under the prerequisite that guarantees drug effect, reduce cost significantly, have good application value.
Embodiment
Below in conjunction with specific embodiment the present invention is further described, can not gives unnecessary details one by one in an embodiment with the simple replacement of analog assistant, but therefore not limit scope of the present invention.Virulence test and field efficiency test are tested conventional method with reference to this area.
Said Tea Saponin is that the pure article of crude extract, Tea Saponin of Tea Saponin or preparation and the anabasine insecticide that contains Tea Saponin are commercial product, and wherein Tea Saponin also can adopt the conventional method extraction to obtain.
Embodiment 1 preparation 3% Tea Saponin flonicamid microemulsion, the weight proportion of each component is:
Flonicamid 2.1%, Tea Saponin 0.9%, methyl alcohol 10%, cyclohexane 9%, ethyl acetate 8%, cyclohexanone 25%, farming breast 5004%, Nongru-700 8%, AEO-710%, GP3300.5%, glycerine 0.5%, the water of surplus.By proportioning flonicamid and Tea Saponin are dissolved in methyl alcohol, cyclohexane, the ethyl acetate, mix other composition modulation of back adding and obtain microemulsion.
Embodiment 2: prepare 5% Tea Saponin clothianadin missible oil, the weight proportion of each component is:
Clothianadin 3.5%; Tea Saponin 1.5%; Surfactant farming breast 500 is 10%, and Nongru-700 is 10%; Organic solvent cyclohexane 20%, ethyl acetate 10%, DMF10%, carrene 10%; Cosolvent methyl alcohol 5%; Stabilizing agent castor oil 5%; Anti-photodissociation agent epoxidized soybean oil 5%; Penetrating agent Laurocapram 10%.Each component is put into modulation kettle mixes well promptly and gets.
Embodiment 3: prepare 80.5% Tea Saponin MTI-446 wetting powder, the weight proportion of each component is:
MTI-446 0.5%; Tea Saponin 80%; Wetting agent bay alcohol radical sodium sulphate 3%; Dispersant lignin 2.5%; Filler diatomite 14%.By proportioning MTI-446 and the former medicine of Tea Saponin are carried out joining in the blender behind the comminution by gas stream, in blender, add auxiliary agent respectively, stir promptly and get by proportioning.
Embodiment 4: prepare 80.01% Tea Saponin thiophene worm piperazine suspending agent, the weight proportion of each component is:
Thiophene worm piperazine 80%; Tea Saponin 0.01%; Surfactant sodium alkyl sulfate 7.39%; Solvent propylene glycol 10%; Cosolvent dimethyl sulfoxide (DMSO) 0.5%; PH value conditioning agent acetic acid 0.5%; Synergist Butacide 0.5%; Anti-photodissociation agent castor oil 0.5%; Stabilizing agent epoxidized soybean oil 0.5%; Thickener-silica 0.1%.By proportioning thiophene worm piperazine and the former medicine of Tea Saponin are added in the above-mentioned auxiliary agent and to arise from the ball mill ball milling with deionized water one and process suspending agent and promptly get.Embodiment 5: prepare 10% Tea Saponin Imidacloprid suspended emulsion, the weight proportion of each component is:
Imidacloprid 5%; Tea Saponin 5%; Surfactant Nongru-700 30%; Solvent toluene 52%; Cosolvent dimethyl sulfoxide (DMSO) 5%; PH value conditioning agent acetic acid 0.5%; Synergist Butacide 0.5%; Anti-photodissociation agent castor oil 0.5%; Stabilizing agent epoxidized soybean oil 0.5%; Thickener-silica 1%.By proportioning Imidacloprid and the former medicine of Tea Saponin are pulverized, added auxiliary agent and water except that thickener, in high-shear emulsion machine, mix the adding thickener, mix, grind, promptly get after microscopy is qualified through sand mill.
Embodiment 6: prepare 30% Tea Saponin thiophene worm quinoline aqueous emulsion, the weight proportion of each component is:
Thiophene worm quinoline 29.5%; Tea Saponin 0.5%; Solvent acetone 50%; Emulsifier NPE 10%; Stabilizing agent sodium sorbate 3%; Antifreezing agent polyethylene glycol 7%.By ratio requirement thiophene worm quinoline and the former medicine of Tea Saponin are dissolved in the solvent, emulsifier, cosolvent are joined in thiophene worm quinoline and the former drug solns of Tea Saponin, slowly add after stirring in the entry, fully stirring promptly gets.
Embodiment 7: prepare 30% Tea Saponin thiophene worm quinoline MTI-446 aqueous emulsion, the weight proportion of each component is:
Tea Saponin 5%; Thiophene worm quinoline 15%; MTI-446 10%; Solvent acetone 50%; Emulsifier NPE 10%; Stabilizing agent sodium sorbate 3%; Antifreezing agent polyethylene glycol 7%.By ratio requirement Tea Saponin, thiophene worm quinoline and the former medicine of MTI-446 are dissolved in the solvent, emulsifier, cosolvent are joined in Tea Saponin, thiophene worm quinoline and the former drug solns of MTI-446, slowly add after stirring in the entry, fully stirring promptly gets.
Embodiment 8: mixed insecticide preparation of the present invention is to the indoor virulence of beet armyworm
Indoor virulence and the mixed synergies thereof of 1～7 pair of beet armyworm of mixed insecticide preparation embodiment of the present invention adopt following method to carry out: will pick up from does not have the fresh cabbage leaves of using any agricultural chemicals in the solarium; Behind running water flushing and paper towel suck dry moisture; Use diameter to process the leaf dish as the card punch of 2cm; And immersed in the soup prepare about 5 seconds, take out, dry for use naturally.The blade of handling is put into culture dish, and every ware is put 3～4 leaf dish, and every ware inserts 10 beet armyworm 3 instar larvaes, is allowed to condition at and gets food on the leaf.Every ware is 1 repetition, and every concentration is established 4 repetitions; Contrast is handled with the aqueous acetone solution with amount.Each death condition of handling of 48h investigation.Be calculated as follows lethality, Abbott formula calculation correction lethality.
Abbott formula computing formula is following:
Test method adopts the abundant method that toxicity index is calculated the Mixed Pharmacy co-toxicity of passing through that waits the nineteen sixty proposition of Sun Yun.At first record mixture with the method for routine and form mixture each single agent virulence regression equation and obtain LD
50, the toxicity index that is each single agent of criterion calculation with a kind of single agent again, the actual toxicity index of mixture and theoretical toxicity index, calculate at last its co-toxicity coefficient (co-toxicity coefficient, CTC).Its formula of reduction is following:
If confection is M, single agent of forming M is A, B, and percentage composition is P,
Criterion: if the toxicity test co-toxicity coefficient of mixture near 100 expression summation actions, obviously greater than 100 expression synergistic effects, is significantly less than 100 expression antagonisms.
Result of the test is seen table 1 and table 2, can find out that from experimental data mixed insecticide preparation of the present invention all has good indoor toxic effect, LD to beet armyworm 3 instar larvaes
50All be lower than 1.0 μ g/mL.The co-toxicity coefficient of mixed insecticide preparation of the present invention obviously greater than 100, shows stronger mixed synergies all greater than 200.
Table 1 mixed insecticide preparation of the present invention is to the indoor virulence of beet armyworm 3 instar larvaes
Table 2 mixed insecticide preparation of the present invention is to the synergy of beet armyworm
Embodiment 9: mixed insecticide preparation of the present invention is to the field control effect of diamond-back moth
The 30% Tea Saponin thiophene worm quinoline aqueous emulsion that embodiment 6 is prepared dilutes 2000 times to diamond-back moth spraying processing, then investigation in the 1st, 3,7,14 day and calculating preventive effect behind medicine.The result shows: 30% Tea Saponin thiophene worm quinoline aqueous emulsion to the diamond-back moth medication after the 1st, 3,7,14 day preventive effect be respectively 72.67%, 87.74%, 98.59%, 92.38%; Contrast the 1st, 3,7,14 days preventive effect of single 2000 times of liquid of agent 50% Tea Saponin aqua and be respectively 44.15%, 55.25%, 76.38%, 67.84%; Contrast the 1st, 3,7,14 days preventive effect of single agent 48% 2000 times of liquid of thiophene worm quinoline suspending agent and be respectively 65.64%, 75.25%, 85.66%, 77.36%.Can learn that from above-mentioned result of the test the mixture that the present invention prepares compares with former agricultural chemicals, the control efficiency of insect is significantly strengthened, demonstrate good mixed synergies and lasting effect.Simultaneously, field investigation is the result show, present embodiment processing Tanaka dark greyish green insect density contrasts the field and significantly reduces, and shows that the mixture that the present invention prepares can significantly reduce the incidence of cabbage caterpillar, plays the double effect of controlling.
Claims (3)
1. the Pesticidal combination that is mixed of Tea Saponin and anabasine insecticide is characterized in that said Pesticidal combination is to have the preparation that following weight percentage is formed:
Missible oil, wherein: clothianadin 3.5%, Tea Saponin 1.5%, farming breast 500 10%, Nongru-700 10%, cyclohexane 20%, ethyl acetate 10%, DMF 10%, carrene 10%, methyl alcohol 5%, castor oil 5%, epoxidized soybean oil 5%, Laurocapram 10%;
Wetting powder, wherein: MTI-446 0.5%; Tea Saponin 80%; Bay alcohol radical sodium sulphate 3%; Lignin 2.5%; Diatomite 14%;
Suspending agent, wherein: thiophene worm piperazine 80%, Tea Saponin 0.01%, sodium alkyl sulfate 7.39%, propylene glycol 10%, dimethyl sulfoxide (DMSO) 0.5%, acetic acid 0.5%, Butacide 0.5%, castor oil 0.5%, epoxidized soybean oil 0.5%, silica 0.1%;
Suspended emulsion, wherein: Imidacloprid 5%, Tea Saponin 5%, Nongru-700 30%, toluene 52%, dimethyl sulfoxide (DMSO) 5%, acetic acid 0.5%, Butacide 0.5%, castor oil 0.5%, epoxidized soybean oil 0.5%, silica 1 %;
Aqueous emulsion, wherein: thiophene worm quinoline 29.5%, Tea Saponin 0.5%, acetone 50%, NPE 10%, sodium sorbate 3%, polyethylene glycol 7%;
Aqueous emulsion, wherein: Tea Saponin 5%, thiophene worm quinoline 15%, MTI-446 10%, acetone 50%, NPE 10%, sodium sorbate 3%, polyethylene glycol 7%.
2. the purposes of the Pesticidal combination that is mixed of described Tea Saponin of claim 1 and anabasine insecticide is characterized in that being applied to prevent and treat beet armyworm or diamond-back moth.
3. the purposes of the Pesticidal combination that is mixed of described Tea Saponin of claim 1 and anabasine insecticide is characterized in that being applied to double control beet armyworm, diamond-back moth and cabbage caterpillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102143615A CN101743969B (en) | 2009-12-29 | 2009-12-29 | Mixed insecticide of tea saponin and neonicotine insecticide |
Applications Claiming Priority (1)
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| CN106614646A (en) * | 2016-10-24 | 2017-05-10 | 东莞市联洲知识产权运营管理有限公司 | Pesticide effervescing agent based on cycloxaprid and tea saponin and preparation method of pesticide effervescing agent |
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| CN104855437B (en) * | 2015-04-15 | 2017-10-24 | 芜湖市丹洋现代农业科技发展有限公司 | Pesticidal combination and its application prepared by a kind of utilization peony seeds grouts |
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