CN103598183A - Insecticidal composition containing spinetoram and chlorfenapyr - Google Patents
Insecticidal composition containing spinetoram and chlorfenapyr Download PDFInfo
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- CN103598183A CN103598183A CN201310525210.8A CN201310525210A CN103598183A CN 103598183 A CN103598183 A CN 103598183A CN 201310525210 A CN201310525210 A CN 201310525210A CN 103598183 A CN103598183 A CN 103598183A
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- chlorfenapyr
- ethyl pleocidin
- insecticidal composition
- pesticidal combination
- spinetoram
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Abstract
The invention relates to an insecticidal composition containing spinetoram and chlorfenapyr. A binary composite mixture of spinetoram and chlorfenapyr is an active ingredient of the insecticidal composition. Mass ratio of spinetoram and chlorfenapyr is 1-50:50-1; the total mass of the active ingredient binary composite mixture of spinetoram and chlorfenapyr accounts for 1 to 80% of the mass of the insecticidal composition; the balance is auxiliary materials allowed and accepted to use in pesticides; and the insecticidal composition can be made into forms of missible oil, suspending agents, wettable powder, water dispersible granules, emulsion in water, microemulsion, granules, and microcapsules. The insecticidal composition is mainly used for controlling plutella xylostella, beet armyworm, prodenia litura, vegetable leafminer, maruca testulalis geyer, thrips, budworm and apple olethreutid.
Description
Technical field
The present invention relates to agriculture chemical compounding technical field, particularly relate to a kind of Pesticidal combination that contains ethyl pleocidin and chlorfenapyr.
Background technology
Many desinsection element insecticides of a kind of novelty of ethyl pleocidin Shi You Dow AgroSciences exploitation are the second generation product of pleocidin.He has well solved the good disinsection effect of pleocidin to vegetable crop, but the insect pest of the crops such as fruit and nut is controlled to undesirable problem, the pomaceous fruit heart-eating worm apple olethreutid that especially can not prevent and treat pleocidin has special efficacy, and its insecticidal spectrum is wider than many desinsections element simultaneously.The advantages such as in addition, it also has main useful insect impact less, and unit are consumption is lower, and residual life is short in environment, its composition structural formula is:
Chlorfenapyr belongs to a kind of new type heterocycle class desinsection that aryl pyrrole compounds ，Shi You American Cyanamid Company succeeds in developing, kills mite, nematocide.Insecticidal spectrum is wide, and toxicity is low, and desinsection speed is fast, and the lasting period is long especially, breaks up resistance, eliminates mechanism of action uniqueness, different from other insecticide mechanism of action, and without cross resistance, the insect that the antagonism property of medicine is serious is efficient equally.70 various pests in the orders such as Lepidoptera, Homoptera, coleoptera are had to fabulous preventive effect, especially to special efficacys such as the diamond-back moth in vegetables resistant insect, beet armyworm, prodenia litura, Americal rice leaf miner, the wild snout moth's larva of beans, thrips, two spotted spider mite.Chlorfenapyr chemistry 4-bromo-2-(4-chlorphenyl)-1-(ethoxyl methyl)-5-(trifluoromethyl) pyrroles-3-nitrile by name, its chemical structural formula is
In the real process of agricultural production, using chemical agent is the most effectively means of control plant pest, but the problem the most easily producing by chemical control insect is the generation of pest resistance to insecticide.And long-term use single chemical insecticide continuously high dose, easily cause the series of problems such as residual, environmental pollution of medicament.Reasonably chemical insecticide is composite or be mixed and have expansion insecticidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay pest resistance and the positive feature such as drug-fast generation and development, pesticide compositional or to be mixed be one of the effective method the most addressing the above problem.We filter out ethyl pleocidin and chlorfenapyr is composite on the basis of lab screening and field trial, have obvious synergistic effect.And about ethyl pleocidin and the composite Pesticidal combination of chlorfenapyr and application, there is no at present people 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 composition, is mainly used in preventing and treating diamond-back moth, beet armyworm, prodenia litura, Americal rice leaf miner, the wild snout moth's larva of beans, thrips, heart-eating worm, apple olethreutid.
Technical scheme of the present invention realizes by following measures:
A kind of Pesticidal combination that contains ethyl pleocidin and chlorfenapyr, in this Pesticidal combination, the mass ratio of active ingredient ethyl pleocidin and chlorfenapyr is 1～50: 50～1, described Pesticidal combination of the present invention is through toxicity test experimental verification, the mass ratio of ethyl pleocidin and chlorfenapyr is 1～20: 20～1 o'clock, synergistic effect was better.
The formulations of pesticide that described Pesticidal combination of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.Ethyl pleocidin and the chlorfenapyr gross mass in preparation accounts for 1%～80% of the whole quality of the pharmaceutical preparations, while wherein accounting for 5%～50%, and toxicity and residually reach good balance, cost is also lower.
The specific embodiments of the formulations of pesticide that Pesticidal combination of the present invention is mixed with is as follows:
Described Pesticidal combination is cream preparation, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 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 is for first adding active ingredient ethyl pleocidin and chlorfenapyr in solvent the oily liquids that becomes transparent and homogeneous after adding again emulsifier, synergist to stir after dissolving completely, filling, can be made into the cream preparation of the present composition.
Described Pesticidal combination is suspending agent, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 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 first mixing other auxiliary agents, through high speed shear, mix, add active ingredient ethyl pleocidin and chlorfenapyr, in ball crusher, abrading-ball is 2～3 hours, make a diameter all below 5mm, can be made into the suspending agent preparation of the present composition.
Described Pesticidal combination is wetting powder, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 3～10 parts of dispersants; 1～5 part of wetting agent; Filler, surplus.The concrete production stage of this wetting powder is: by above-mentioned formula, active ingredient ethyl pleocidin is mixed with chlorfenapyr and dispersant, wetting agent and filler, uniform stirring in stirred tank, after airslide disintegrating mill, mixing, can be made into the wetting powder of the present composition.
Described Pesticidal combination is water dispersible granules, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 3～10 parts of dispersants; 1～10 part of wetting agent; 1～5 part of disintegrant; Filler surplus.The concrete production stage of this water dispersible granules is: by above-mentioned formula, active ingredient ethyl pleocidin is mixed with chlorfenapyr and dispersant, wetting agent, disintegrant and filler, with micro jet, pulverize, through mediating, then add and in fluidized bed prilling dryer, carry out granulation, dry, screening by sample analysis, can be made into the water dispersible granules of the present composition.
Described Pesticidal combination is aqueous emulsion, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 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: first ethyl pleocidin and chlorfenapyr, solvent and emulsifier, cosolvent are added together, make to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When reactor high speed stirs, oil phase is added to water, slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, can be made into the aqueous emulsion of the present composition.
Described Pesticidal combination is microemulsion, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 10～30 parts of emulsifier, 1～8 part of antifreezing agent, 0.5～10 part of stabilizing agent, 20～50 parts of conventional solvent cosolvents.Ethyl pleocidin and chlorfenapyr are dissolved completely with cosolvent, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, evenly mix, finally add water, after fully stirring, can be made into microemulsion.
Described Pesticidal combination is granule, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 1～10 part of wetting dispersing agent; 0.1～5 part of thickener; 0.1～5 part of defoamer; Castor oil, surplus is supplied.Each components such as active ingredient ethyl pleocidin and chlorfenapyr, dispersant, stabilizing agent, defoamer and solvent are mixed in the ratio of formula, put into after the grinding of sand milling still, send in mixer for well-distribution and mix and get product.
Described Pesticidal combination is microcapsule formulations, and the mass fraction of component is: 1～50 part of ethyl pleocidin; 1～50 part of chlorfenapyr; 5～20 parts, urea; 5～20 parts, formaldehyde; 5～20 parts of emulsifying dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; Water, surplus.In being housed, the there-necked flask of agitating device adds urea and formaldehyde (amount of substance ratio is about l:1.5～2.0), left and right, pH value to 8～9 with sodium hydroxide solution regulator solution, then be warming up to 70～80 ℃, reaction obtains stable urea resin prepolymer.The former medicine of getting a certain amount of ethyl pleocidin and chlorfenapyr is dissolved in cyclohexane, and adds emulsifying dispersant in solution, follows vigorous stirring, the O/W type stable emulsion that to be made into the aqueous solution of take containing emulsifying dispersant be water.Above-mentioned urea resin prepolymer is added in emulsion, regulate pH value, polymerization reaction take place under acid catalysis condition, is wrapped oil phase substance, forms microcapsule granule.Slowly heat up, solidify, temperature is controlled at 40～50 ℃, hardening time 1h.Selection adds appropriate auxiliary agent, the microcapsule suspending agent that gets final product stablely.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, 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 polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture forming.
It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,21108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in 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 soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, a kind of in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated 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 precipitated calcium carbonate.
The present invention be take the compounded pesticides that active ingredient is ethyl pleocidin and chlorfenapyr and is had obvious synergistic effect, delay the drug-fast generation in key, and reduced to become to produce cost and use cost, be mainly used in preventing and treating diamond-back moth, beet armyworm, prodenia litura, Americal rice leaf miner, the wild snout moth's larva of beans, thrips, heart-eating worm, apple olethreutid.
Embodiment
For making technical scheme of the present invention, object and advantage are clearer, and the present invention describes with following specific embodiment, but the present invention is not limited to these examples.The mode that effect experiment of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio of below mentioning is all ratio of quality and the number of copies.
Embodiment: ethyl pleocidin proportioning co-toxicity experiments different from chlorfenapyr.
1.1 reagent agent
90% the former medicine of ethyl pleocidin, 98% the former medicine of chlorfenapyr, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test targets
Diamond-back moth: the third-instar larvae of the responsive type diamond-back moth that 5 generations of indoor continuous raising and its Individual Size are consistent with physiological status.Temperature (25 ± 2) ℃.Relative moisture 65% ± 5%, periodicity of illumination 12/12h (L/D).
1.3 experimental procedure
1.3.1 medicament preparation
First use the former medicine of acetone solution, according to the result of preliminary experiment, two appropriate former medicines are made into several different proportionings, then it is stand-by with acetone, each processing to be diluted to respectively to several concentration gradients.
The drop method that adopts NY/T1 154.1-2006 to recommend is measured.By micro intravenous drip device solvent clean, regulate dropper to stand-by state.With writing brush, choose the examination worm CO of neat and consistent
2slight paralysis is placed in 9cm culture dish, then with micro intravenous drip device, medicament is dripped to the belly of polypide by head, every some drops physic liquor 0.1L, the corresponding acetone containing with drop 0.1L be treated to contrast, the examination worm after drop is moved to (28
2) ℃, in the culture dish of relative moisture 75%, normally cultivate.Every processing repeats for 4 times, 20 examination worms of every repetition.
1.4 control time
After processing, 24h investigation examination worm death condition (judgement examination worm death standard is gently to sting without autonomic response with pin), records total borer population and dead borer population.
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%, does not proofread and correct, contrast lethality, between 5%-20%, is proofreaied and correct by formula 2, contrast lethality >20%, and test need be reformed.
The logarithm value of drug concentration (mg/L) of take is independent variable X, and the probability value of corrected mortality of take is dependent variable y, sets up respectively virulence regression equation formula, adopts DPS software to calculate the EC of single dose and each proportioning mixture
50according to the abundant method of Sun Yun, calculate co-toxicity coefficient (CTC).Co-toxicity coefficient CTC, computing formula is as follows: (take ethyl pleocidin as standard medicament, its toxicity index is 100):
The EC of the toxicity index of chlorfenapyr (TI)=ethyl pleocidin
50the EC of/chlorfenapyr
50* 100
The EC of true toxicity index (ATI)=ethyl pleocidin of M
50the EC of/M
50* 100
TI * P chlorfenapyr of TI * P ethyl pleocidin+chlorfenapyr of theoretical toxicity index (TTI)=ethyl pleocidin of M
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In formula:
M is ethyl pleocidin and the mixture of the different proportionings of chlorfenapyr
P ethyl pleocidin is ethyl pleocidin shared ratio in mixture
P chlorfenapyr is chlorfenapyr shared ratio in mixture.
2.1 toxicity test results
Table 1 ethyl pleocidin and the chlorfenapyr indoor measurement result to diamond-back moth
As can be seen from the table, while being 1:50～50:1 dilution in active ingredient ethyl pleocidin and chlorfenapyr ratio, its co-toxicity coefficient is all greater than 120, show certain synergistic effect, the synergistic effect that wherein ethyl pleocidin and chlorfenapyr are 1:20～20:1 is the most obvious.Result of the test shows, under indoor conditions, ethyl pleocidin and chlorfenapyr are composite all has higher activity to diamond-back moth, and suggestion is carried out further field control effectiveness test to suitable proportion 1:20～20:1 left and right mixture preparation, to evaluate its field practical application effect.
3, the experimental result of field trial control diamond-back moth, thrips
3.1 field trial control diamond-back moths
3.1.1 test method
Test is carried out at Kaiping City, Guangdong Province suburb truck garden.By each, process design concentration and carry out routine to water spray.Spraying equipment is WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out routine spraying, makes every effort to evenly thoughtful during spray medicine.During dispenser, field diamond-back moth is 1～2 instar larvae peak period.
3.1.2 investigation method
In dispenser Qian Mei community by 5 samplings of diagonal. every wild cabbage 2～3 strains (depending on insect density) of choosing Eggs of Diamondback Moth and larva.Statistics is demarcated diamondback moth larvae head number in strain. using this as dispenser before insect population radix.Within the 7th day, 14 days, 21 days after dispenser, investigate respectively the diamondback moth larvae number of determining residual survival in strain.Using and proofread and correct insect population decline rate as control efficiency.
3.1.3 drug effect computational methods
Insect population decline rate (%)=(larva number after 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
Within 7 days after medicine, observe wild cabbage growing state, range estimation medicament to wild cabbage without poisoning.
3.1.5 field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, by different consumptions, carry out field experiment, after medicine, its control efficiency to diamond-back moth is better than contrasting medicament, with ethyl pleocidin and chlorfenapyr with the composite control of 1:2 ratio diamond-back moth instant effect, efficiency time is long, and control efficiency is good, and insecticidal effect increases progressively along with the increase of consumption.This is mixed, and can effectively control the harm of diamond-back moth to host, to the raising of quality of vegetable with increase production significantly, has stronger popularizing value.
3.2 field trial control thrips
3.2.1 test method
Test is on Nan Bin farm, margin cities and towns, Sanya, Hainan city, area 1200m2, and experimental field soil property is neutral loam, medium fertility.For examination cowpea variety, it is No. four, high yield (vegetable Research Institute, Guangdong Academy of Agriculture Sciences).Mu is planted 3200 strains, and the dispenser phase is that flowers and fruits are contained the phase.
3.2.2 investigation method
This test adopts randomized arrangement, establishes 5 processing and 1 blank district.3 repetitions are established in every processing, 30 thrips adults of taking in the middle of the investigation of ，Mei community, Gong18Ge community on 10 young plants, investigation insect population radix before medicine, after medicine, investigation in 1 day, 7 days, 14 days is 3 times, records respectively residual borer population, according to survey data, calculate insect population decline rate and control efficiency.
3.2.3 drug effect computational methods
Insect population decline rate (%)=(larva number after 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.
3.2.4 poisoning investigation method
Within 7 days after medicine, observe cowpea growing state, range estimation medicament to cowpea without poisoning.
3.2.5 field control effectiveness test result (table 3)
As can be seen from Table 3, the Mixed Pharmacy of different proportion, by different consumptions, carry out field experiment, after medicine, its control efficiency to thrips is better than contrasting medicament, and ethyl pleocidin and chlorfenapyr are with the composite control of 1:2 ratio thrips instant effect, and efficiency time is long, control efficiency is good, insecticidal effect increases progressively along with the increase of consumption, to the raising of cowpea quality with increase production significantly, has stronger popularizing value.
To sum up described in indoor biometrics and twice field experiment result, of the present inventionly take ethyl pleocidin and chlorfenapyr and carry out two yuan of composite Pesticidal combinations as active ingredient, to diamond-back moth, the insects such as thrips show good control efficiency, to target crop safety, compare with single dose, Pesticidal combination of the present invention has mechanism of action uniqueness, unit consumption is few, quick-acting is good, lasting period is long, the plurality of advantages such as effect field is more wide in range, to plant diseases, insect pest can have better control, so, in research and development of the present invention and promotion conference, produce very large economic worth, to vast vegetables, the protection tool of the increasing both production and income of the peasant household in fruit tree producing region and local environment is of great significance.
Claims (4)
1. a Pesticidal combination that contains ethyl pleocidin and chlorfenapyr, it is characterized in that: the active ingredient of this Pesticidal combination is ethyl pleocidin and chlorfenapyr binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient ethyl pleocidin and chlorfenapyr is 1～50: 50～1.
2. Pesticidal combination according to claim 1, is characterized in that: ethyl pleocidin and the chlorfenapyr gross mass in preparation accounts for 1%～80% of the whole quality of the pharmaceutical preparations.
3. Pesticidal combination according to claim 2, is characterized in that: ethyl pleocidin and the chlorfenapyr gross weight in preparation accounts for 5%～50% of the whole quality of the pharmaceutical preparations.
4. according to the Pesticidal combination described in claim 1 or 2 or 3, it is characterized in that: the formulation of this Pesticidal combination is missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations
.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106818763A (en) * | 2015-12-07 | 2017-06-13 | 陕西韦尔奇作物保护有限公司 | A kind of Pesticidal combination of the nitrile of worm containing acetyl and ethyl pleocidin |
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| WO2010046463A1 (en) * | 2008-10-23 | 2010-04-29 | Basf Se | Use of selected insecticides on cultivated plants |
| CN102308803A (en) * | 2011-04-28 | 2012-01-11 | 广东中迅农科股份有限公司 | Pesticide composition containing chlorfenapyr and spinetoram |
| CN102349502A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing pleocidin or spinetoram |
| CN102657170A (en) * | 2012-05-09 | 2012-09-12 | 北京燕化永乐农药有限公司 | Pesticide composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010046463A1 (en) * | 2008-10-23 | 2010-04-29 | Basf Se | Use of selected insecticides on cultivated plants |
| CN102308803A (en) * | 2011-04-28 | 2012-01-11 | 广东中迅农科股份有限公司 | Pesticide composition containing chlorfenapyr and spinetoram |
| CN102349502A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing pleocidin or spinetoram |
| CN102657170A (en) * | 2012-05-09 | 2012-09-12 | 北京燕化永乐农药有限公司 | Pesticide composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106818763A (en) * | 2015-12-07 | 2017-06-13 | 陕西韦尔奇作物保护有限公司 | A kind of Pesticidal combination of the nitrile of worm containing acetyl and ethyl pleocidin |
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