CN102986697A - Insecticide-acaricide composition containing buprofezin and bifenazate - Google Patents
Insecticide-acaricide composition containing buprofezin and bifenazate Download PDFInfo
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Abstract
The invention relates to an insecticide-acaricide composition containing buprofezin and bifenazate. The insecticide-acaricide composition has the active ingredients of a binary combination of the buprofezin and the bifenazate, and the balance of an auxiliary ingredient, wherein the mass ratio of the buprofezin to the bifenazate is 4:32, 8:28, 12:24, 16:20 or 20:16; and the total mass of the buprofezin and the bifenazate accounts for 1 to 80 percent of the total mass of the entire preparation. The compounded agricultural pesticide composition can be prepared into agricultural pesticide formulations such as emulsifiable solution, suspending agent, wettable powder, water dispersible granules, aqueous emulsion and micro-emulsion. The insecticide-acaricide composition can be used for controlling European red mites, two-spotted spider mites and Mc Daniel mites, and the two-spotted spider mites and Lewis mites of ornamental plants. By adopting the insecticide-acaricide composition, cicadellidae and delphacidae on paddy rice, the cicadellidae on potatoes, aleyrodidae on oranges, cotton and vegetables, and coccidae, diaspididae and pseudococcidae on the oranges can be effectively controlled.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, particularly relate to a kind of insecticide acaricide composition that contains Buprofezin and Bifenazate.
Background technology
Buprofezin is a kind of heterocyclic Chitin synthesis inhibitor, and the newborn epidermis that destroys insect forms, and the normal growth of interference insect is grown, and causes that insect is dead.Tool is tagged, stomach poison function is strong, the tool permeability.Do not kill adult, hatch but can reduce to lay eggs and hinder ovum.Buprofezin is for having the insecticide of lasting effect larvicidal activity to coleoptera, part Homoptera and Acarina.Can effectively prevent and treat Cicadellidae, Delphacidae on the paddy rice; Cicadellidae on the potato; Aleyrodidae on citrus, cotton and the vegetables; A red-spotted lizard section on the citrus, armored scale material and Pseudococcidae.Buprofezin chemical name: 2-tertiary butyl imino group-3-isopropyl-5-phenyl-1,3,5-thiadiazine-4-ketone; Its chemical constitution be for
Bifenazate is a kind of new selective foliar spray miticide.Its mechanism of action is the unique effect to an aminobutyric acid (GABA) acceptor of the nervous centralis conducting system of mite class.Its each life stage to mite is effective, has ovicidal activity and knocks down activity (48～72h), and the lasting period is long to what become mite.About lasting period 14d, the recommendation dosage range is interior to crop safety.To parasitic wasp, Predatory Mites, Chrysopa low-risk.Be used for the control of apple and grape European red mite, Tetranychus urticae and McDaniel mite, and the Tetranychus urticae of ornamental plants and Lewis mite.The chemical name of Bifenazate: 3-(4-methoxyl biphenyl base-3-yl) carbazic acid isopropyl ester.
In the real process of agricultural production, use chemical agent and be the most effectively means of control plant pest, but by the chemical control insect the problem of easy generation be the generation of pest resistance to insecticide.And long-term use single chemical insecticide continuously high dose, cause easily the series of problems such as residual, environmental pollution of medicament.Reasonably chemical insecticide is composite or be mixed and have the expansion insecticidal spectrum, improve control efficiency, prolong the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay pest resistance and the positive characteristics such as drug-fast generation and development, insecticidal/acaricidal agent is composite or to be mixed be the most one of the effective method that addresses the above problem.We filter out Buprofezin and Bifenazate is composite on the basis of lab screening and field trial, have obvious synergistic effect.And about the composite miticide composition of Buprofezin and Bifenazate and use and there is no at present the people and reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective agricultural insecticide miticide composition.Can be used for preventing and treating fruit crop two spotted spider mite, Tetranychus urticae and McDaniel mite, and the Tetranychus urticae of ornamental plants and Lewis mite.Can effectively prevent and treat Cicadellidae, Delphacidae on the paddy rice; Cicadellidae on the potato; Aleyrodidae on citrus, cotton and the vegetables; A red-spotted lizard section on the citrus, armored scale material and Pseudococcidae.
Technical scheme of the present invention realizes by following measures:
A kind of insecticide acaricide composition that contains Buprofezin and Bifenazate, the mass ratio of active ingredient Buprofezin and Bifenazate is 4:32 in this insecticide acaricide composition; 8:28; 12:24; 16:20; 20:16, described insecticide acaricide composition of the present invention are through the toxicity test experimental verification, and the mass ratio of Buprofezin and Bifenazate is 4:32; 8:28; 12:24; 16:20; During 20:16, synergistic effect is better.
The formulations of pesticide that compound pesticide composition of the present invention can be mixed with are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.Buprofezin and the Bifenazate gross mass in preparation accounts for the 1%-80% of the whole quality of the pharmaceutical preparations, when wherein accounting for 5%-50%, and toxicity and the residual preferably balance that reaches, cost is also lower.
The specific embodiments of the formulations of pesticide that miticide composition of the present invention is mixed with is as follows:
Described insecticide acaricide composition is cream preparation, and the mass fraction of component is:
1～80 part of Buprofezin
1～80 part of Bifenazate
10～30 parts of conventional emulsifiers
20～50 parts of conventional solvents
1～5 part of conventional synergist.
The concrete production stage of this cream preparation adds emulsifier, the synergist rear oily liquids that becomes transparent and homogeneous that stirs after dissolving fully in the solvent again for first active ingredient Buprofezin and Bifenazate being added, can namely can be made into the cream preparation of the present composition.
Described insecticide acaricide composition is suspending agent, and the mass fraction of component is:
1～80 part of Buprofezin
1～80 part of Bifenazate
5～20 parts of dispersants
1～5 part of antifreezing agent
0.1～2 part of thickener
0.1～0.8 part of defoamer
0～10 part of penetrating agent
0.1～5 part of pH value conditioning agent
Water surplus.
The concrete production stage of this suspending agent is for mixing other auxiliary agents first, mix through high speed shear, add active ingredient Buprofezin and Bifenazate, abrading-ball is 2～3 hours in ball crusher, make a diameter all below 5mm, namely can be made into the suspending agent preparation of the present composition.
Described insecticide acaricide composition is wetting powder, and the mass fraction of component is:
1～80 part of Buprofezin
1～50 part of Bifenazate
3～10 parts of dispersants
1～5 part of wetting agent
The filler surplus.
The concrete production stage of this wetting powder is: by above-mentioned prescription the active ingredient Buprofezin is mixed with Bifenazate and dispersant, wetting agent and filler, uniform stirring in stirred tank, behind airslide disintegrating mill, mixing, namely can be made into the wetting powder of the present composition.
Described insecticide acaricide composition is water dispersible granules, and the mass fraction of component is:
1～80 part of Buprofezin
1～50 part of Bifenazate
3～10 parts of dispersants
1～10 part of wetting agent
1～5 part of disintegrant
The filler surplus.
The concrete production stage of this water dispersible granules is: by above-mentioned prescription active ingredient Buprofezin and Bifenazate and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, then add and carry out granulation, drying, screening in the fluidized bed prilling dryer by sample analysis, namely can be made into the water dispersible granules of the present composition.
Described insecticide acaricide composition is aqueous emulsion, and the mass fraction of component is:
1 ~ 50 part of Buprofezin
1 ~ 60 part of Bifenazate
3～30 parts of emulsifier
5～15 parts of solvents
2～15 parts of stabilizing agents
1～5 part of antifreezing agent
0.1～8 part of defoamer
0.2～2 part of thickener
Water surplus
The concrete production stage of this aqueous emulsion is: at first Buprofezin and Bifenazate, solvent and emulsifier, cosolvent are added together, make and be dissolved into uniform oil phase; With part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water until reach the phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear approximately half an hour, form the aqueous emulsion of oil-in-water type, namely can be made into the aqueous emulsion of the present composition.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, the alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any or more than one any mixtures than forming in the polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, and diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in the water equal solvent are arbitrarily than the mixture that forms.
Described dispersant is selected from polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene methyl ether condensate sulfate, the alkylsulfonate calcium salt, the naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in the fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, and Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen is phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in the soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in the sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in the polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, a kind of in the resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in the glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20The saturated fat acid compounds, C
8-10One or more of fatty alcohol.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in the precipitated calcium carbonate.
Active ingredient Buprofezin and Bifenazate are composite in the insecticide acaricide composition of the present invention has a notable synergistic effect, can reduce effective ingredient consumption, delays the generation of pest resistance to insecticide, and has reduced to become to produce cost and use cost, can be used for the improvement of resistant insect.Can be used for preventing and treating European red mite, Tetranychus urticae and McDaniel mite, and the Tetranychus urticae of ornamental plants and Lewis mite.Can effectively prevent and treat Cicadellidae, Delphacidae on the paddy rice; Cicadellidae on the potato; Aleyrodidae on citrus, cotton and the vegetables; A red-spotted lizard section on the citrus, armored scale material and Pseudococcidae.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these examples.The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) all is ratio of quality and the number of copies.
Embodiment: the different proportioning co-toxicity experiments from Bifenazate of Buprofezin.
1.1 reagent agent
The former medicine of 95% Buprofezin, the former medicine of 96% Bifenazate, above-mentioned former medicine provides by research and development department of Qingdao Hailir Pesticides and Chemical Co., Ltd..
1.2 test target
Rice hoppers: indoor basin dress rice bud seedling is raised rice fulgorid 3 instar larvaes in 10 generations, temperature 27-29 degree, relative moisture about 50%, periodicity of illumination 14/10h (L/D) continuously.
1.3 experimental procedure
1.3.1 medicament preparation
Use first the former medicine of acetone solution, according to the result of preliminary experiment two an amount of former medicines are made into 5 different proportionings, with acetone each is processed that to be diluted to respectively 5 concentration gradients stand-by again, the ratio of 5 different proportioning active ingredients from Bifenazate of Buprofezin is respectively 4:32; 8:28; 12:24; 16:20; 20:16.
The drop method that adopts NY/T1 154.1-2006 to recommend is measured.With micro intravenous drip device solvent clean, regulate dropper to stand-by state.The examination worm of choosing neat and consistent with writing brush is placed in the 9cm culture dish with the slight paralysis of CO2, then with the micro intravenous drip device medicament is dripped to the belly of polypide by head, every some drops physic liquor 0.1L, the corresponding acetone that contains with drop 0.1L be treated to contrast, the examination worm behind the drop is moved to (28
2) ℃, normally cultivate in the culture dish of relative moisture 75%.Every processing repeats for 4 times, 20 examinations of every repetition worm.
1.4 control time
24h investigation examination worm death condition (judging that examination worm death standard is gently to sting without autonomic response with pin) records total borer population and dead borer population after processing.
1.5 data statistics and analysis
According to investigation statistics, calculate the corrected mortality that each is processed.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1 154.7-2006.If contrast lethality＜5% is not proofreaied and correct, the contrast lethality by formula 2 is proofreaied and correct between 5%-20%, the contrast lethality〉20%, test need be reformed.
Take the logarithm value of drug concentration (mg/L) as independent variable x, take the probability value of corrected mortality as dependent variable y, set up respectively the virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50Calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (take Buprofezin as the standard medicament, its toxicity index is 100):
The LC of the toxicity index of Bifenazate (TI)=Buprofezin
50The LC of/Bifenazate
50* 100
The LC of the true toxicity index (ATI) of M=Buprofezin
50The LC of/M
50* 100
The TI of the TI of the theoretical toxicity index (TTI) of M=Buprofezin * P Buprofezin+Bifenazate * P Bifenazate
The TTI of the ATI/M of the co-toxicity coefficient of M (CTC)=M * 100
In the formula:
M is Buprofezin and the mixture of the different proportionings of Bifenazate
The P Bifenazate is Bifenazate shared ratio in mixture
The P Buprofezin is Buprofezin shared ratio in mixture
2.1 toxicity test result
Table 1 Buprofezin, Bifenazate are to the indoor measurement result of rice fulgorid
As can be seen from the table, in different proportionings, its co-toxicity coefficient shows certain synergistic effect, wherein Buprofezin all greater than 120: Bifenazate is that the synergistic effect of 12:24 is the most obvious, and co-toxicity coefficient is 161.77.Result of the test shows, the compound disinsection acaricide of Buprofezin and Bifenazate all has higher activity to rice fulgorid under indoor conditions, suggestion is carried out further field control effectiveness test to suitable proportion 12:24 left and right sides mixture preparation, to estimate its field practical application effect.
Field trial control rice fulgorid, the experimental result of citrus red mite
3.1 field trial is prevented and treated rice hoppers
3.1.1 test method
Test is carried out in the double cropping rice field of Jingzhou City, Hubei Province, and experimental field soil is loam, middle fertility, and irrigation and drainage are convenient, all plant double cropping rice all around.For the rice is doing well before the rice medication of trying the water.Little mud stalk is built in case string is filled with in the minizone, and there is the 3-4cm shoaling layer in the field during dispenser, and water conservation is 7 days behind the medicine.Test four (2) for the medication in afternoon of rice fulgorid low age nymph occurrence in peak period once, to water 50kg/h ㎡, with the evenly thick spraying of workers and peasants' 16 type knapsack hand sprayers, this moment, paddy rice was in minute Tillers mid-term, and the field mainly is white-backed planthopper, next is small brown rice planthopper, and 1-3 nymph in age accounts for 90%, and dispenser was fine the same day, 30.8 ℃ of mean temperature of air, weather was tested without impact all without rain in 3 days behind the medicine.
3.1.2 investigation method
Investigate altogether 5 times, investigation insect population radix before the medicine, behind the medicine 2 days, 7 days, 14 days, investigation was once respectively in 21 days.Take parallel great-jump-forward random sampling 15 points in every residential quarter, 2 clumps every, totally 30 clumps of rice are recorded respectively white-backed planthopper with the basin method of clapping, and then the borer population alive of small brown rice planthopper calculates it and proofread and correct preventive effect (hereinafter to be referred as preventive effect).
3.1.3 drug effect computational methods
Insect population decline rate (%)=(larva number behind medicine prelarva number-medicine)/medicine prelarva number * 100
Preventive effect (%)=(treatment region insect population decline rate-contrast insect population decline rate)/(100-check plot insect population decline rate) * 100.
3.1.4 poisoning investigation method
Duration of test is observed the paddy growth situation, does not all have the poisoning phenomenon to occur.
3.2 field test results
Table 2 is prevented and treated the rice hoppers field test results for treatment agent
The Mixed Pharmacy of different proportion as can be seen from Table 2, test by different consumptions, its control to rice hoppers all is better than contrasting medicament behind the medicine, and 12% Buprofezin+24% Bifenazate WP, insecticidal effect of 21 days behind medicine is respectively 90.91,92.04,94.39.Insecticidal effect increases progressively with the increase of dosage.According to the field range estimation, in the test dose scope, plant growth is normal, and the poisoning phenomenon to paddy rice does not all appear in each treatment agent, illustrates that it is safe to paddy rice.Advise that the insecticide different from the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
Rice fulgorid is in the rice belt in recent years, and particularly the generation area on the late rice constantly increases, and the extent of injury increases the weight of, but because a large amount of long-term single medicaments that use in various places make this punching develop immunity to drugs to medicament, giving effectively, this worm of control brings difficulty.And being mixed through the field experiment checking of Buprofezin and Bifenazate can be played very large preventive and therapeutic effect to this worm, is worthy to be popularized.
4.1 field experiment control two spotted spider mite
4.1.1 test method
Test selects Guizhou silkworm industry research institute citrus orchard to carry out.Kind is citrus reticulata“Unshiu”, and field planting is 25 years.Be to spray medicine in morning of peak period citrus red mite, by working concentration reagent agent is diluted water, according to a conventional method tree crown is sprayed with workers and peasants' one 16 type knapsack sprayers, being sprayed onto blade at the Citrus leaf positive and negative has to drip on a small quantity and is degree, contrast spray equivalent clear water.
4.1.2 investigation method
Carry out the insect density investigation respectively at 2d, 4d, 6d before the dispenser and after the dispenser, 4 directions of the East, West, South, North of setting in each residential quarter are respectively selected 1 branch, 5 blades of every tip mark, altogether the movable mite quantity on 20 blades of 4 tips of investigation records.
4.1.3 drug effect computational methods
Calculate insect population decline rate and control efficiency with following formula.Mite number alive * 100 before insect population decline rate (%)=(the mite number of living behind the mite number-medicine of living before the medicine)/medicine
Preventive effect (%)=(treatment region insect population decline rate-contrast insect population decline rate)/(100-check plot insect population decline rate) * 100.
4.1.4 poisoning investigation method
Behind medicine, observed the Ci trus growth situation in 1,3,5,7 days, the range estimation medicament to oranges and tangerines without poisoning.
4.1.5 field control effectiveness test result
Table 3 is treatment agent control citrus red mite field test results
Can find out from table 3, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to citrus red mite all is better than contrasting medicament behind the medicine, 12% Buprofezin+24% Bifenazate WP, insecticidal effect of 5 days behind medicine is respectively 90. 51 %, 92. and 36 % and 94. 53 %, the Insecticiding-miticiding effect increases progressively along with the increase of consumption.According to the field range estimation, in the test dose scope, plant growth is normal, and the poisoning phenomenon to oranges and tangerines does not all appear in each treatment agent, illustrates that it is safe to oranges and tangerines.In process of the test, testing crew finds that it also has favorable effect to insects such as oranges and tangerines a red-spotted lizard sections, advises that the insecticide different from the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
It is described to combine above result of the test; the present invention contains the composite insecticide acaricide composition of Buprofezin and Bifenazate; to rice fulgorid; two spotted spider mite shows good control efficiency; to the target crop safety; compare with single dose; Pesticidal combination of the present invention has mechanism of action uniqueness; consumption is few; quick-acting is good; the advantage that lasting period is long; so; in research and development of the present invention and popularization great social effect is arranged, can produce very large economic worth, to main producing regions, land for growing field crops such as vast paddy rice; the increasing both production and income of the peasant household of the fruit main producing regions such as oranges and tangerines and the protection tool of local environment are of great significance.
Claims (4)
1. insecticide acaricide composition that contains Buprofezin and Bifenazate, it is characterized in that: the active ingredient of this insecticide acaricide composition is Buprofezin and Bifenazate binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient Buprofezin and Bifenazate is 4:32; 8:28; 12:24; 16:20; 20:16.
2. insecticide acaricide composition according to claim 1, it is characterized in that: Buprofezin and the Bifenazate gross weight in preparation accounts for 1%～80% of whole preparation gross mass.
3. insecticide acaricide composition according to claim 2, it is characterized in that: Buprofezin and the Bifenazate gross weight in preparation accounts for 5%～50% of whole preparation gross mass.
4. according to claim 1 and 2 or 3 described insecticide acaricide compositions, it is characterized in that: the formulations of pesticide that this insecticide acaricide composition can be made are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101763A (en) * | 1985-02-25 | 1986-09-24 | 日本农药株式会社 | A kind of composition pesticide |
| CN101530109A (en) * | 2009-04-27 | 2009-09-16 | 陕西上格之路生物科学有限公司 | Bifenazate-containing insecticidal composition |
| CN101692830A (en) * | 2009-07-21 | 2010-04-14 | 深圳诺普信农化股份有限公司 | Mite-killing composition and application thereof |
-
2012
- 2012-12-24 CN CN2012105652110A patent/CN102986697A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101763A (en) * | 1985-02-25 | 1986-09-24 | 日本农药株式会社 | A kind of composition pesticide |
| CN101530109A (en) * | 2009-04-27 | 2009-09-16 | 陕西上格之路生物科学有限公司 | Bifenazate-containing insecticidal composition |
| CN101692830A (en) * | 2009-07-21 | 2010-04-14 | 深圳诺普信农化股份有限公司 | Mite-killing composition and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| RAYMOND A. CLOYD ETAL: "Greenhouse pesticide mixtures for control of silverleaf whitefly (Homoptera: Aleyrodidae) and twospotted spider mite (Acari: Tetranychidae)", 《JOURNAL OF ENTOMOLOGICAL SCIENCE》 * |
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Application publication date: 20130327 |