CN102396474A - Pesticide composition containing spinetoram and biogenic pesticide - Google Patents
Pesticide composition containing spinetoram and biogenic pesticide Download PDFInfo
- Publication number
- CN102396474A CN102396474A CN2011104292240A CN201110429224A CN102396474A CN 102396474 A CN102396474 A CN 102396474A CN 2011104292240 A CN2011104292240 A CN 2011104292240A CN 201110429224 A CN201110429224 A CN 201110429224A CN 102396474 A CN102396474 A CN 102396474A
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- CN
- China
- Prior art keywords
- ethyl pleocidin
- biogenic
- insecticides
- grams
- pesticidal combination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a pesticide composition containing spinetoram and biogenic pesticide. The biogenic pesticide may be abamectin, emamectin benzoate or ivermectin; the weight ratio of spinetoram to biogenic pesticide is 1:60 to 60:1; and the spinetoram and biogenic pesticide account for 1 to 60 percent of the weight of the pesticide composition in total. The pesticide composition can be used for preventing and controlling rice stem borers, plutella xylostella in vegetables, beet armyworms and cotton bollworm in cotton. The pesticide composition not only expands the application range of pesticides, but also reduces the dosage of pesticides, namely dosage per mu of the pesticides under the conditions of obvious synergistic effect and optical prevention and control effects, and therefore the cost and environmental harms are reduced.
Description
Technical field
The invention belongs to technical field of pesticide, specifically relate to contain the Pesticidal combination of ethyl pleocidin and biogenic insecticides.
Background technology
Ethyl pleocidin is a novel plant source insecticides, English common name: Spinetoram, molecular formula: C
42H
69NO
10, C
43H
69NO
10CA registration number: 187166-40-1,187166-15-0, structural formula:
Ethyl pleocidin produces from actinomycetes thorn many armfuls of bacterium of sugar (Saccharopolyspora spinosa) fermentation; It is the derived product of pleocidin (Spinasad); The mixture that its former the effective elements of the medicine is ethyl pleocidin-J and ethyl pleocidin-L (ratio is 3: 1), the molecular formula of ethyl pleocidin-J is C
43H
69N
10, the molecular formula of ethyl pleocidin-J is C
42H
69N
10Ethyl pleocidin is a kind of novel pleocidin insecticides; Its mechanism of action is to act on nAChR and r-reanal acceptor in the insect nerve; Cause polypide insensitive, influence normal nervous activity, until death to the signal transfer reaction of excitability or inhibition.Ethyl pleocidin has stomach toxicity and action of contace poison, and lepidoptera pest and thrips insect are had the better prevention effect.
The biological source insecticide instance that is applicable to composition of the present invention is following:
AVM is a new bio source insecticides, english common name: Abamectin, and molecular formula: C48H72O14 (B1a) C47H70O14 (B1b), structural formula:
AVM is a kind of macrolide disaccharide compounds, and tool is tagged, stomach poison function, and very strong penetration is arranged.AVM is the natural products that from edaphon, separates; Insect and mite class had tag with stomach poison function and faint fumigation action is arranged; No systemic action, but it has very strong osmosis to blade, can kill subepidermal insect; And the longevity of residure is long, and it all has good preventive effect to various pests such as Lepidoptera, coleoptera, diptera, Homopteras.
Emamectin-benzoate, english common name: Emamectin Benzoate, molecular formula: C49H75NO13 (B1a); C48H73NO13 (B1b), structural formula:
Emamectin-benzoate is a kind of efficient, wide spectrum, long good insecticide of the longevity of residure; Its mechanism of action hinders pest movements nerve information transmission and makes the health paralysis dead, and the mode of action is main with stomach toxicity, and action of contace poison is arranged; Crop is not had interior absorption can; Use crop epidermal tissue but can effectively infiltrate, kill subepidermal insect, and the longevity of residure is long.It has high activity to Lepidoptera, coleoptera and homoptera pest, but in the routine dose scope to useful insect and natural enemy, people, animal safety, in soil and water, be prone to the degraded noresidue, free from environmental pollution.
Ivermectin is claimed Ivermectin HCL again; English common name: Ivermectin, molecular formula: C
48H
74O
14, molecular weight: 875.11, structural formula:
Ivermectin is a kind of new antibiotic class expelling parasite medicament, is one of structure of modification product of AVM, it be B1 component by AVM with Wilkinson catalyzer selective reduction 22, the unsaturated bond of 23-position makes.Though the biologically active of ivermectin is a little less than AVM, because ivermectin has better, the advantages such as toxicity is lower, no cross resistance of stability; Find that through correlative study ivermectin also has good control efficiency to pest, evil mite.Ivermectin is mainly used in the control animal parasite at present, on agricultural, uses less.Therefore, ivermectin will have broad prospects as pesticide developing.Do not see at present the relevant report that the Pesticidal combination of AVM, emamection benaoate or ivermectin in ethyl pleocidin and the biogenic class is arranged.
Because ethyl pleocidin and biogenic insecticides are the high activity composition, its usage amount has had certain control efficiency under lower situation, and under composite situation of carrying out composition, both content and ratio need development test.Use checking through test with actual, ethyl pleocidin and biogenic insecticides make up between ratio and the content and the preventive effect of its combination and have very big relation.
Summary of the invention
The objective of the invention is for a kind of Pesticidal combination that contains ethyl pleocidin and biogenic insecticides is provided; Range of application when the expansion insecticide uses separately; Under the situation that guarantees notable synergistic and optimum control efficiency, reduce the usage amount of medicament simultaneously; Reduce a mu usage amount, thereby reduce cost and reduce environmental hazard.
A kind of Pesticidal combination that contains ethyl pleocidin and biogenic insecticides, said biogenic insecticides is AVM, emamection benaoate or ivermectin; The weight ratio of ethyl pleocidin and biogenic insecticides is 1: 60～60: 1, and preferred weight ratio is 1: 20～20: 1.
The percentage by weight that the weight summation of said ethyl pleocidin and biogenic insecticides accounts for Pesticidal combination is 1%～60%, and surplus is auxiliary agent, solvent or a filler commonly used in the pesticide producing.
The percentage by weight that the weight summation of said ethyl pleocidin and biogenic insecticides accounts for Pesticidal combination is 1%～20%, and surplus is auxiliary agent, solvent or a filler commonly used in the pesticide producing.
Auxiliary agent commonly used in the described pesticide producing comprises: emulsifier, wetting agent, dispersant, disintegrant, thickener, stabilizing agent, antifreezing agent, antifoaming agent.
Described emulsifier is selected from: the mixture that any one or more in calcium dodecyl benzene sulfonate, aliphatic acid polyethenoxy ether, APES sulfosuccinate, styryl phenol APEO, NPE, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, the polyoxyethylene aliphatic alcohol ether are formed with arbitrary proportion.
Described wetting agent is selected from one or more in lauryl sodium sulfate, DBSA, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, the soapberry powder.
Described dispersant is selected from: one or more in polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, the fatty acid glyceride APEO.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described stabilizing agent is selected from: a kind of in sodium citrate, the resorcinol.
Described antifreezing agent is selected from: one or more in ethylene glycol, propane diols, glycerine, the urea.
Described antifoaming agent is selected from: one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, the C8-10 aliphatic alcohols compound.
Said solvent is selected from: N, the mixed solvent that any one or more in dinethylformamide, cyclohexanone, 3-methyl cyclohexanol ketenes, N-octylpyrrolidone, N-pyrrolidones, propyl alcohol, butanols, ethylene glycol, diethylene glycol, EGME, butyl ether, ethyl acetate, vegetable oil, acetonitrile, xylol or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), the water equal solvent are formed with arbitrary proportion.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Said Pesticidal combination can be prepared into the agricultural chemicals regular dosage form according to the method for well known to a person skilled in the art, comprises suspending agent, water dispersible granules, wetting powder, microcapsule suspending agent, missible oil, aqueous emulsion and microemulsion.Those of ordinary skill in the art can make the product of the various formulations of the present invention according to the common preparation method of existing agricultural chemicals.
Described Pesticidal combination, formulation are suspending agent, and the gross weight in ethyl pleocidin and biological source insecticide wherein contains:
Described Pesticidal combination, formulation are water dispersible granules, and the gross weight in ethyl pleocidin and biological source insecticide wherein contains:
Described Pesticidal combination, formulation are wetting powder, and the gross weight in ethyl pleocidin and biological source insecticide wherein contains:
Described Pesticidal combination, formulation are microcapsule suspending agent, and the gross weight in ethyl pleocidin and biological source insecticide wherein contains:
Described Pesticidal combination, formulation are missible oil, and the gross weight in ethyl pleocidin and biological source insecticide wherein contains:
Described Pesticidal combination, formulation are aqueous emulsion, and the gross weight in ethyl pleocidin and biological source insecticide wherein contains:
Described Pesticidal combination, formulation are microemulsion, and the gross weight in ethyl pleocidin and biological source insecticide wherein contains:
The application of described Pesticidal combination in the control snout moth's larva of rice, vegetables diamond-back moth, beet armyworm, cotton cotton bollworm.
Advantage of the present invention:
(1) ethyl pleocidin and biogenic insecticides belong to the insecticide of different insecticidal action mechanism, and component is reasonable, and its composition is many to the insect action site, good disinsection effect.
(2) present composition is compared with existing single preparation, except that having significant insecticidal effect, and significant synergistic effect is arranged, and slows down the generation of resistance.
(3) present composition can reduce the application dosage of each bioactivator, makes drug cost, and the preparation less residue is pollution-free to crop, and safety is good, meets the security requirement of pesticidal preparations.
(4) present composition has the better prevention effect to insects such as the snout moth's larva of rice, vegetables diamond-back moth, beet armyworm, cotton cotton bollworms.
Embodiment
Below in conjunction with specific embodiment the present invention is described further, the percentage among the embodiment all is weight percentage, but the present invention is not limited thereto.
Embodiment 1
20% ethyl pleocidin AVM suspending agent (16: 4)
639 gram deionized waters in the suction agitator tank; With 50 gram SOPA270,28 gram K12,4 gram formaldehyde, 62 grams, pentanediol [1; 5] in the suction agitator tank; The limit is stirred 160 gram ethyl pleocidins, 40 gram AVMs, 2 gram Sodium Benzoates, 15 gram white carbons, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves, promptly gets 20% ethyl pleocidin abamectin insecticide composition suspending agent with the material ball milling.
Embodiment 2
15% ethyl pleocidin emamectin benzoate suspending agent (7.5: 7.5)
689 gram deionized waters in the suction agitator tank; With 46 gram NNO, 30 gram lignosulfonates, 5 gram NPE, 3 Ke Kaisong, 66 grams hexylene glycol [2; 5] in the suction agitator tank; The limit stirring restrains ethyl pleocidins, 75 gram emamectin-benzoates, 3 xanthans, 8 gram aluminium-magnesium silicates with 75 then, drops in order in the shearing jar, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves, promptly gets 15% ethyl pleocidin emamectin-benzoate insecticides suspending agent with the material ball milling.
Embodiment 3
24% ethyl pleocidin ivermectin water dispersible granules (12: 12)
With ethyl pleocidin 120 grams, ivermectin 120 grams, triethanolamine 6 grams, white carbon 172 grams; MF 85 grams, starch 42 grams, kaolin 180 grams, ammonium sulfate 275 grams; Mix laggard comminution by gas stream, in mixer, spray into and mediate about 200 grams of agent deionized water, adjustment extrusion equipment; Carry out extruder grain, it is qualified under 50～80 ℃ of conditions, to dry to moisture, can make 24% ethyl pleocidin insecticide of ivermectin composition water dispersible granules.
Embodiment 4
16% ethyl pleocidin emamectin-benzoate water dispersible granules (12: 4)
With ethyl pleocidin 120 grams, emamectin-benzoate 40 grams, polyethers 5 grams, white carbon 145 grams; BIT (1, the 2-benzisothiazole-3-ketone) 72 grams, the AEO-536 gram; Kaolin 135 grams, ammonium sulfate 447 grams mix laggard comminution by gas stream; In mixer, spray into and mediate about 180 grams of agent deionized water, adjustment extrusion equipment; Carry out extruder grain, it is qualified under 50～80 ℃ of conditions, to dry to moisture, can make 16% ethyl pleocidin emamectin-benzoate insecticides water dispersible granules.
Embodiment 5
36% ethyl pleocidin AVM wetting powder (32: 4)
With ethyl pleocidin 320 grams, AVM 40 grams, sodium lignin sulfonate 55 grams; Alkyl phenol (or fatty alcohol) polyoxyethylene poly-oxygen propylene aether sulphate 38 grams, 2 hexylene glycol [2,4] 35 grams; White carbon 95 grams, kaolin 417 grams stir; Employing comminution by gas stream processing, get final product 36% ethyl pleocidin abamectin insecticide composite wettable powder.
Embodiment 6
48% ethyl pleocidin emamectin-benzoate wetting powder (36: 12)
With ethyl pleocidin 360 grams, emamectin-benzoate 120 grams, calcium lignosulfonate 68 grams; Naphthalenesulfonate formaldehyde condensation compound 54 grams, APES phosphoric acid fat and salt 28 grams thereof, white carbon 110 grams; Precipitated calcium carbonate 260 grams; Stir, adopt comminution by gas stream processing, get final product 48% ethyl pleocidin emamectin-benzoate composite wettable powder.
Embodiment 7
6% ethyl pleocidin avermectin microcapsule suspending agent (4: 2)
With ethyl pleocidin 40 grams, AVM 20 grams are dissolved in the 45 gram xylol, suction tributyl phosphate 3 grams again; CMC 18 grams, sodium alginate 20 grams were sheared 30 minutes in high shear still high speed; Add 200 gram urea resin prepolymer, 2000 rev/mins of stirrings heat up down and solidified 60 minutes, add 602 gram deionized waters afterwards; 32 gram NNO dispersants, 20 gram bentonites, stir get final product 6% ethyl pleocidin abamectin insecticide composition microcapsule suspending agent.
Embodiment 8
10% ethyl pleocidin ivermectin microcapsule suspending agent (7.5: 2.5)
With ethyl pleocidin 75 grams, ivermectin 25 grams are dissolved in the 56 gram xylol, suction tributyl phosphate 3 grams again; CMC 35 grams, sodium alginate 28 grams were sheared 30 minutes in high shear still high speed; Add 200 gram urea resin prepolymer, 2000 rev/mins of stirrings heat up down and solidified 60 minutes, add 505 gram deionized waters afterwards; 45 gram NNO dispersants, 28 gram bentonites, stir get final product 10% ethyl pleocidin insecticide of ivermectin composition microcapsule suspending agent.
Embodiment 9
6% ethyl pleocidin abamectin emulsifiable concentrate (2: 4)
With ethyl pleocidin 20 grams, AVM 40 grams, multiple phenol polyethenoxy ether 145 grams of methyl-benzyl; Neopelex 130 grams, castor oil 490 grams, epoxidized soybean oil 155 grams; Ethyl acetate 20 gram, stir get final product 6% ethyl pleocidin abamectin insecticide composition missible oil.
Embodiment 10
1% ethyl pleocidin emamectin-benzoate missible oil (0.5: 0.5)
With ethyl pleocidin 5 grams; Emamectin-benzoate 5 grams; Phenethyl phenol polyethenoxy polyethenoxy ether 125 grams, agricultural newborn 2201B 88 grams, castor oil 350 grams; Epoxidized soybean oil 427 gram, stir get final product 1% ethyl pleocidin emamectin-benzoate insecticides missible oil.
Embodiment 11
5% ethyl pleocidin abamectin aqueous emulsion (2: 3)
With ethyl pleocidin 20 grams, AVM 30 grams are dissolved in N-dodecyl pyrrolidone 45 grams; In the mixed solvent of Solvesso150#78 gram, treat that the transparent back of solution adds the UV-N1#10 gram, the JFC18 gram; EO/PO random copolymer 16 grams are emulsified into the dispersion phase, under high shear (5000-20000rpm), are added to and contain agricultural newborn 602#28 gram; Silicone defoaming agent 3 grams, ethylene glycol 35 grams, Sodium Benzoate 5 grams; In the continuous phase of xanthans 3 gram and deionized water 709 grams, add continued and sheared 10 minutes, get final product 5% ethyl pleocidin abamectin insecticide composition aqueous emulsion.
Embodiment 12
7% ethyl pleocidin emamectin-benzoate aqueous emulsion (3.5: 3.5)
With ethyl pleocidin 35 grams, emamectin-benzoate 35 grams are dissolved in diethyl phthalate 85 grams; In the mixed solvent of Solvesso 200#148 gram, treat that the transparent back of solution adds the UV-R1#10 gram, penetrant t X#26 gram; Gather (the hard ester acid of 12-hydroxyl) polyoxyethylene block copolymer 25 grams, be emulsified into the dispersion phase again, under high shear (5000-20000rpm); Disperse phase is added to and contains By-140 (castor oil polyoxyethylene ether) 28 grams, isooctanol antifoaming agent 3 grams, glycerine 44 grams; Benzisothiazole ketone 0.5 gram, citric acid 5 grams, gelatin 3 grams and deionized water 552.5 restrain in the continuous phase; Add continued and sheared 10 minutes, get final product 7% ethyl pleocidin emamectin-benzoate insecticides aqueous emulsion.
Embodiment 13
7% ethyl pleocidin ivermectin micro emulsion (1: 6)
With ethyl pleocidin 10 grams, ivermectin 60 grams, sodium lignin sulfonate 24 grams; Calcium dodecyl benzene sulfonate 25 grams, NPE 18 grams, methyl alcohol 20 grams; Glycerine 12 grams, polyacrylate 6 grams, deionized water 871 grams; Stirring and evenly mixing in stirred tank, the heating phase inversion get final product 7% ethyl pleocidin insecticide of ivermectin composite microemulsion.
Embodiment 14
4% ethyl pleocidin emamectin benzoate microemulsion (2: 2)
With ethyl pleocidin 20 grams, emamectin-benzoate 20 grams, sulfuric acid list fat-based ester salt 18 grams; Castor oil polyoxyethylene polyethenoxy ether 12 grams, diglycerol polypropylene glycol ether 6 grams, ethyl acetate 2 grams; Methyl alcohol 2 grams, sorbic acid 1 gram, glycerine 1 gram; Deionized water 918 gram, stirring and evenly mixing in stirred tank, heating phase inversion get final product 4% ethyl pleocidin emamectin-benzoate insecticides microemulsion.
The present invention is the method that adopts Toxicity Determination and field trial to combine.Pass through Toxicity Determination earlier, the co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite according to a certain percentage, CTC＜80 are for picking up anti-effect, and 80≤CTC≤120 are summation action, and CTC＞120 are synergistic effect, carry out field control effectiveness test on this basis.
Experiment embodiment 1:
Supply the examination insect: maize borer, subsequent use after 2 ages of artificial feeding.
Supply the reagent agent: provide by Guangxi Tianyuan Biochemical Co., Ltd..
Experimental design: effective lethal concentration scope of confirming ethyl pleocidin, the former medicine of AVM and the two different proportioning mixture through preliminary experiment; Each medicament designs five gradient concentrations respectively by active constituent content and handles, and handles with the blank that does not contain former medicine and does contrast.
Test method: respectively the dilution of the mother liquor of ethyl pleocidin, AVM and each mixed agent is become following 5 series concentration during test, place beaker subsequent use respectively.Adopt and to soak the method that connects worm behind the corncob bar earlier, the fresh corn male flower fringe bar of the same size that does not contact any medicament is soaked taking-up after 5 seconds, dries naturally in the mother liquor that configures, put into insect box; Connect then and supply the examination maize borer, under 25 ℃ of constant temperatures, raise, every processing repeats for 3 times; Every to repeat used examination worm be 30, establishes blank, behind medicine, checked dead borer population in 48 hours; Calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50Value.If the contrast lethality then is regarded as invalid test greater than 10%.Computing formula is following:
The maize borer corrected mortality is converted into probit value (y), and concentration of treatment (μ g/ml) converts logarithm value (x) into, draws virulence regression equation with method of least squares, and calculates the value of every kind of medicament thus.Calculate co-toxicity coefficient CTC according to the abundant equation of Sun Yun.Computing formula is (with the AVM is the standard medicament, and its toxicity index is 100) as follows:
Result of the test is as shown in table 1:
The different proportionings with AVM of table 1 ethyl pleocidin are to the toxicity test of maize borer
Can know by table 1; Ethyl pleocidin and AVM and composite product are to maize borer Toxicity Determination test discovery; The virulence of ethyl pleocidin is higher than AVM, and co-toxicity coefficient shows obvious synergistic effect all greater than 120 when ethyl pleocidin and AVM proportioning are 1: 1,2: 1,4: 1,8: 1,12: 1; Ethyl pleocidin thus: AVM all had synergistic function between 1: 1 to 12: 1; Especially when ethyl pleocidin: during AVM=4: 1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Experiment embodiment 2:
Supply the examination insect: the wild cabbage beet armyworm, subsequent use after 3 ages of artificial feeding.
Supply the reagent agent: provide by Guangxi Tianyuan Biochemical Co., Ltd..
Experimental design: effective lethal concentration scope of confirming ethyl pleocidin, the former medicine of emamectin-benzoate and the two different proportioning mixture through preliminary experiment; Each medicament designs five gradient concentrations respectively by active constituent content and handles, and handles with the blank that does not contain former medicine and does contrast.
Test method: respectively the dilution of the mother liquor of ethyl pleocidin, emamectin-benzoate and each mixed agent is become following 5 series concentration during test, place beaker subsequent use respectively.Adopt and to soak the method that connects worm behind the cabbage leaves earlier, the weight that does not contact any medicament fresh cabbage leaves of the same size is soaked taking-up after 5 seconds, dries naturally in the mother liquor that configures, put into insect box; Connect then and supply the examination beet armyworm, under 25 ℃ of constant temperatures, raise, every processing repeats for 3 times; Every to repeat used examination worm be 30, establishes blank, behind medicine, checked dead borer population in 48 hours; Calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50Value.If the contrast lethality then is regarded as invalid test greater than 10%.Computing formula is following:
Wild cabbage beet armyworm corrected mortality is converted into probit value (y), and concentration of treatment (μ g/ml) converts logarithm value (x) into, draws virulence regression equation with method of least squares, and calculates the value of every kind of medicament thus.Calculate co-toxicity coefficient CTC according to the abundant equation of Sun Yun.Computing formula is (with the emamectin-benzoate is the standard medicament, and its toxicity index is 100) as follows:
Result of the test is as shown in table 2:
The different proportionings with emamectin-benzoate of table 2 ethyl pleocidin are to the toxicity test of wild cabbage beet armyworm
Can know by table 2; Ethyl pleocidin and emamectin-benzoate and composite product are to wild cabbage beet armyworm Toxicity Determination test discovery; The virulence of ethyl pleocidin is higher than emamectin-benzoate; Co-toxicity coefficient is all greater than 120 when ethyl pleocidin and emamectin-benzoate proportioning are 1: 1,1: 3,1: 6,1: 9,1: 12; Show obvious synergistic effect, thus ethyl pleocidin: emamectin-benzoate all had synergistic function between 1: 1 to 1: 12, especially when ethyl pleocidin: during emamectin-benzoate=1: 6; Co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Experiment embodiment 3:
Supply the examination insect: the wild cabbage beet armyworm, subsequent use after 3 ages of artificial feeding.
Supply the reagent agent: provide by Guangxi Tianyuan Biochemical Co., Ltd..
Experimental design: effective lethal concentration scope of confirming ethyl pleocidin, the former medicine of ivermectin and the two different proportioning mixture through preliminary experiment; Each medicament designs five gradient concentrations respectively by active constituent content and handles, and handles with the blank that does not contain former medicine and does contrast.
Test method: respectively the dilution of the mother liquor of ethyl pleocidin, ivermectin and each mixed agent is become following 5 series concentration during test, place beaker subsequent use respectively.Adopt and to soak the method that connects worm behind the cabbage leaves earlier, the weight that does not contact any medicament fresh cabbage leaves of the same size is soaked taking-up after 5 seconds, dries naturally in the mother liquor that configures, put into insect box; Connect then and supply the examination beet armyworm, under 25 ℃ of constant temperatures, raise, every processing repeats for 3 times; Every to repeat used examination worm be 30, establishes blank, behind medicine, checked dead borer population in 48 hours; Calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate the LC50 value.If the contrast lethality then is regarded as invalid test greater than 10%.Computing formula is following:
Wild cabbage beet armyworm corrected mortality is converted into probit value (y), and concentration of treatment (μ g/ml) converts logarithm value (x) into, draws virulence regression equation with method of least squares, and calculates the value of every kind of medicament thus.Calculate co-toxicity coefficient CTC according to the abundant equation of Sun Yun.Computing formula is (with the ivermectin is the standard medicament, and its toxicity index is 100) as follows:
Result of the test is as shown in table 3:
The different proportionings with ivermectin of table 3 ethyl pleocidin are to the toxicity test of wild cabbage beet armyworm
Can know by table 2; Ethyl pleocidin and ivermectin and composite product are to wild cabbage beet armyworm Toxicity Determination test discovery; The virulence of ethyl pleocidin is higher than ivermectin, and co-toxicity coefficient shows obvious synergistic effect all greater than 120 when ethyl pleocidin and ivermectin proportioning are 1: 1,4: 1,8: 1,16: 1,24: 1; Ethyl pleocidin thus: ivermectin all had synergistic function between 1: 1 to 24: 1; Especially when ethyl pleocidin: during ivermectin=8: 1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Experiment embodiment 4:
20% ethyl pleocidin AVM suspending agent (16: 4) is to the control efficiency of rice-stem borer
The place: period is investigated in Shaoguan, Guangdong: 6 months: 2010
Table 4 20% ethyl pleocidin AVM suspending agent is to the control efficiency of rice-stem borer
Know that by last table 4 result ethyl pleocidin and abamectin compounded actual preventive effect to rice-stem borer be apparently higher than these two kinds of compositions preventive effect of use separately, this shows that the present invention makes up and has obvious synergistic effect.
Experiment embodiment 5:
15% ethyl pleocidin emamectin benzoate suspending agent (7.5: 7.5)
Control efficiency to the cowpea lima bean pod borer
The place: period is investigated in the Haikou: 5 months: 2010
Table 515% ethyl pleocidin emamectin benzoate suspending agent is to the control efficiency of cowpea lima bean pod borer
Know that by last table 5 result the composite actual preventive effect to the cowpea lima bean pod borer of ethyl pleocidin and emamectin-benzoate is apparently higher than the preventive effect of its single agent, this shows that the present invention makes up and has obvious synergistic effect.
Experiment embodiment 6:
24% ethyl pleocidin ivermectin water dispersible granules (12: 12) is to the control efficiency of brassicaceous vegetable diamond-back moth
The place: period is investigated in the Dongguan, Guangdong: 11 months: 2010
Table 6 24% ethyl pleocidin ivermectin water dispersible granules is to the control efficiency of brassicaceous vegetable diamond-back moth
Can be known that by last table 6 result 24% ethyl pleocidin ivermectin water dispersible granules is excellent to the preventive effect of brassicaceous vegetable diamond-back moth, its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Experiment embodiment 7:
16% ethyl pleocidin emamectin-benzoate water dispersible granules (12: 4) is to the control efficiency of sugarcane moth borer
The place: period is investigated in the Liuzhou: 6 months: 2009
Table 716% ethyl pleocidin emamectin-benzoate water dispersible granules is to the control efficiency of sugarcane moth borer
Can know by last table 7 result; 16% ethyl pleocidin emamectin-benzoate water dispersible granules has excellent control efficiency to sugarcane moth borer; Its preventive effect is apparently higher than the preventive effect that these two kinds of compositions use separately, this shows that the present invention makes up and has obvious synergistic effect.
Experiment embodiment 8:
36% ethyl pleocidin AVM wetting powder (32: 4) is to the control efficiency of peanut root-knot nematode
The place: period is investigated in the Guigang, Guangxi: 9 months: 2009
Table 8 36% ethyl pleocidin abamectin emulsifiable concentrate is to the control efficiency of peanut root-knot nematode
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 30ml/ mu | 76.8 |
| 1.8% AVM EC | 40ml/ mu | 77.1 |
| 36% ethyl pleocidin AVM wetting powder | 12ml/ mu | 84.7 |
| 36% ethyl pleocidin AVM wetting powder | 15ml/ mu | 90.7 |
The mode that this test adopts medicament dilution back to execute along ridge irrigation is carried out dispenser; Can know by last table result; 36% ethyl pleocidin AVM wetting powder has excellent control efficiency to peanut root-knot nematode; Its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Experiment embodiment 9:
48% ethyl pleocidin emamectin-benzoate wetting powder (36: 12) is to the control efficiency of cotton cotton bollworm
The place: period is investigated in the Guilin: 7 months: 2010
Table 9 48% ethyl pleocidin emamectin-benzoate wetting powder is to the control efficiency of cotton cotton bollworm
Can know by last table 9 result; 48% ethyl pleocidin emamectin-benzoate wetting powder has excellent control efficiency to the cotton cotton bollworm; Its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Experiment embodiment 10:
6% ethyl pleocidin avermectin microcapsule suspending agent (4: 2) is to the control efficiency of paddy rice rice clump leaf roll snout moth's larva
The place: period is investigated in the Nanning: 10 months: 2010
Table 10 6% ethyl pleocidin avermectin microcapsule suspending agent (4: 2) is to the control efficiency of paddy rice rice clump leaf roll snout moth's larva
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 20ml/ mu | 82.1 |
| 1.8% AVM ME | 40ml/ mu | 74.6 |
| 6% ethyl pleocidin avermectin microcapsule suspending agent | 15ml/ mu | 89.8 |
| 6% ethyl pleocidin avermectin microcapsule suspending agent | 20ml/ mu | 95.4 |
Can be known that by last table 10 result 6% ethyl pleocidin avermectin microcapsule suspending agent has excellent control efficiency to paddy rice rice clump leaf roll snout moth's larva, its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Experiment embodiment 11:
10% ethyl pleocidin ivermectin microcapsule suspending agent (7.5: 2.5) is to the control efficiency of rice-stem borer
The place: period is investigated in Shaoguan, Guangdong: 6 months: 2010
Table 11 10% ethyl pleocidin ivermectin microcapsule suspending agent is to the control efficiency of rice-stem borer
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 20ml/ mu | 82.7 |
| 0.6% ivermectin SC | 80ml/ mu | 76.4 |
| 10% ethyl pleocidin ivermectin microcapsule suspending agent | 5ml/ mu | 87.8 |
| 10% ethyl pleocidin ivermectin microcapsule suspending agent | 8ml/ mu | 92.3 |
Know that by last table 11 result the composite actual preventive effect to rice-stem borer of ethyl pleocidin and ivermectin is apparently higher than these two kinds of compositions preventive effect of use separately, this shows that the present invention makes up and has obvious synergistic effect.
Experiment embodiment 12:
6% ethyl pleocidin abamectin emulsifiable concentrate (2: 4) is to the control efficiency of cotton cotton bollworm
The place: period is investigated in the Guilin: 7 months: 2010
Table 12 6% ethyl pleocidin abamectin emulsifiable concentrate is to the control efficiency of cotton cotton bollworm
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 20ml/ mu | 82.2 |
| 0.6% AVM EW | 80ml/ mu | 75.7 |
| 6% ethyl pleocidin abamectin emulsifiable concentrate | 15ml/ mu | 87.9 |
| 6% ethyl pleocidin abamectin emulsifiable concentrate | 20ml/ mu | 93.5 |
Can be known that by last table 12 result 6% ethyl pleocidin abamectin emulsifiable concentrate has excellent control efficiency to the cotton cotton bollworm, its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Experiment embodiment 13:1% ethyl pleocidin emamectin-benzoate missible oil (0.5: 0.5) is to the control efficiency of sugarcane moth borer
The place: period is investigated in the Liuzhou: 6 months: 2009
Table 13 1% ethyl pleocidin emamectin-benzoate missible oil is to the control efficiency of sugarcane moth borer
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 20ml/ mu | 78.8 |
| 1% emamectin-benzoate EC | 40g/ mu | 77.3 |
| 1% ethyl pleocidin emamectin-benzoate missible oil | 20g/ mu | 88.5 |
| 1% ethyl pleocidin emamectin-benzoate missible oil | 25g/ mu | 94.2 |
Can know by last table 13 result; 1% ethyl pleocidin emamectin-benzoate missible oil has excellent control efficiency to sugarcane moth borer; Its preventive effect is apparently higher than the preventive effect that these two kinds of compositions use separately, this shows that the present invention makes up and has obvious synergistic effect.
Experiment embodiment 14:
5% ethyl pleocidin abamectin aqueous emulsion (2: 3) is to the control efficiency of brassicaceous vegetable diamond-back moth
The place: period is investigated in the Dongguan, Guangdong: 11 months: 2010
Table 145% ethyl pleocidin abamectin aqueous emulsion is to the control efficiency of brassicaceous vegetable diamond-back moth
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 40ml/ mu | 78.2 |
| 1.8% AVM WP | 50g/ mu | 74.6 |
| 5% ethyl pleocidin abamectin aqueous emulsion | 30g/ mu | 84.7 |
| 5% ethyl pleocidin abamectin aqueous emulsion | 40g/ mu | 92.3 |
Can be known that by last table 14 result 5% ethyl pleocidin abamectin aqueous emulsion is excellent to the preventive effect of brassicaceous vegetable diamond-back moth, its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Experiment embodiment 15:
7% ethyl pleocidin emamectin-benzoate aqueous emulsion (3.5: 3.5) is to the control efficiency of rice-stem borer
The place: period is investigated in Shaoguan, Guangdong: 6 months: 2010
Table 15 7% ethyl pleocidin emamectin-benzoate aqueous emulsion is to the control efficiency of rice-stem borer
Know that by last table 15 result 7% ethyl pleocidin emamectin-benzoate aqueous emulsion apparently higher than the preventive effect that these two kinds of compositions use separately, this shows that the present invention makes up and has obvious synergistic effect to the actual preventive effect of rice-stem borer.
Experiment embodiment 16:
7% ethyl pleocidin ivermectin micro emulsion (1: 6) is to the control efficiency of paddy rice rice clump leaf roll snout moth's larva
The place: period is investigated in the Nanning: 10 months: 2010
Table 16 7% ethyl pleocidin ivermectin micro emulsion is to the control efficiency of paddy rice rice clump leaf roll snout moth's larva
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 20ml/ mu | 82.1 |
| 1.8% ivermectin ME | 40ml/ mu | 74.8 |
| 7% ethyl pleocidin ivermectin micro emulsion | 15ml/ mu | 88.5 |
| 7% ethyl pleocidin AVM ME | 20ml/ mu | 93.4 |
Can be known that by last table 16 result 7% ethyl pleocidin ivermectin micro emulsion has excellent control efficiency to paddy rice rice clump leaf roll snout moth's larva, its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Experiment embodiment 17:
4% ethyl pleocidin emamectin benzoate microemulsion (2: 2) is to the control efficiency of cotton cotton bollworm
The place: period is investigated in the Guilin: 7 months: 2010
Table 17 4% ethyl pleocidin emamectin benzoate microemulsion is to the control efficiency of cotton cotton bollworm
| Chemicals treatment | Usage amount | Preventive effect (%) |
| 60 grams per liter ethyl pleocidin rhzomorph SC | 20ml/ mu | 82.7 |
| 1% emamectin-benzoate EW | 50ml/ mu | 76.7 |
| 4% ethyl pleocidin emamectin benzoate microemulsion | 16ml/ mu | 87.9 |
| 4% ethyl pleocidin emamectin benzoate microemulsion | 20ml/ mu | 91.5 |
Can be known that by last table 17 result 4% ethyl pleocidin emamectin benzoate microemulsion has excellent control efficiency to the cotton cotton bollworm, its preventive effect is significantly higher than the preventive effect that these two kinds of compositions use separately, and visible this combination has obvious synergistic effect.
Claims (7)
1. Pesticidal combination that contains ethyl pleocidin and biogenic insecticides, it is characterized in that: the weight ratio of described ethyl pleocidin and biogenic insecticides is 1:60～60:1; Described biogenic insecticides is a kind of in AVM, emamection benaoate or the ivermectin.
2. the Pesticidal combination that contains ethyl pleocidin and biogenic insecticides according to claim 1 is characterized in that: the weight ratio of said ethyl pleocidin and biogenic insecticides is 1:20～20:1.
3. the Pesticidal combination that contains ethyl pleocidin and biogenic insecticides according to claim 1 and 2; It is characterized in that: the percentage by weight that the weight summation of said ethyl pleocidin and biogenic insecticides accounts for Pesticidal combination is 1%～60%, and surplus is auxiliary agent, solvent or a filler commonly used in the pesticide producing.
4. the Pesticidal combination that contains ethyl pleocidin and biogenic insecticides according to claim 3; It is characterized in that: said Pesticidal combination can be prepared into the agricultural chemicals regular dosage form, comprises suspending agent, water dispersible granules, wetting powder, microcapsule suspending agent, missible oil, aqueous emulsion and microemulsion.
5. the Pesticidal combination that contains ethyl pleocidin and biogenic insecticides according to claim 1 and 2; It is characterized in that: the percentage by weight that the weight summation of said ethyl pleocidin and biogenic insecticides accounts for Pesticidal combination is 1%～20%, and surplus is auxiliary agent, solvent or a filler commonly used in the pesticide producing.
6. the Pesticidal combination that contains ethyl pleocidin and biogenic insecticides according to claim 5; It is characterized in that: said Pesticidal combination can be prepared into the agricultural chemicals regular dosage form, comprises suspending agent, water dispersible granules, wetting powder, microcapsule suspending agent, missible oil, aqueous emulsion and microemulsion.
7. according to claim 4 or 6 arbitrary described Pesticidal combinations that contain ethyl pleocidin and biogenic insecticides, it is characterized in that: its application in the control control snout moth's larva of rice, vegetables diamond-back moth, beet armyworm, cotton cotton bollworm.
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| CN102657239A (en) * | 2012-05-04 | 2012-09-12 | 宁夏大学 | Plant extract and chemical pesticide compound pesticide and preparation method of pesticide |
| CN104582489A (en) * | 2012-08-27 | 2015-04-29 | 丸和生物化学株式会社 | Chemical agent for controlling soil nematode which comprises macrolide-type compound |
| CN106561657A (en) * | 2016-11-07 | 2017-04-19 | 广西南宁益土生物科技有限责任公司 | Insecticide composite containing celastrus angulatus and spinetoram |
| CN107494559A (en) * | 2017-08-29 | 2017-12-22 | 浙江农林大学 | Prevent and treat Pesticidal combination of citrus leaf-miner and application thereof |
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| CN102302021A (en) * | 2011-09-28 | 2012-01-04 | 华南理工大学 | Spinetoram and abamectin compounded suspending agent and preparation method thereof |
| CN102379297A (en) * | 2011-09-13 | 2012-03-21 | 广西田园生化股份有限公司 | Macrolide compound ultralow volume formulation |
| CN102396471A (en) * | 2011-11-15 | 2012-04-04 | 陕西美邦农药有限公司 | Spinetoram-containing pesticide composition |
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| EP2168433A1 (en) * | 2007-07-12 | 2010-03-31 | Sumitomo Chemical Company, Limited | Pest control composition |
| CN102379297A (en) * | 2011-09-13 | 2012-03-21 | 广西田园生化股份有限公司 | Macrolide compound ultralow volume formulation |
| CN102302021A (en) * | 2011-09-28 | 2012-01-04 | 华南理工大学 | Spinetoram and abamectin compounded suspending agent and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102657239A (en) * | 2012-05-04 | 2012-09-12 | 宁夏大学 | Plant extract and chemical pesticide compound pesticide and preparation method of pesticide |
| CN104582489A (en) * | 2012-08-27 | 2015-04-29 | 丸和生物化学株式会社 | Chemical agent for controlling soil nematode which comprises macrolide-type compound |
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| CN106561657A (en) * | 2016-11-07 | 2017-04-19 | 广西南宁益土生物科技有限责任公司 | Insecticide composite containing celastrus angulatus and spinetoram |
| CN107494559A (en) * | 2017-08-29 | 2017-12-22 | 浙江农林大学 | Prevent and treat Pesticidal combination of citrus leaf-miner and application thereof |
| CN107494559B (en) * | 2017-08-29 | 2020-09-29 | 浙江农林大学 | Insecticidal composition for preventing and controlling citrus leaf miner and application thereof |
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