CN103181388A - Pesticide composition containing pyridalyl and methoxyfenozide - Google Patents

Pesticide composition containing pyridalyl and methoxyfenozide Download PDF

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Publication number
CN103181388A
CN103181388A CN2012105112841A CN201210511284A CN103181388A CN 103181388 A CN103181388 A CN 103181388A CN 2012105112841 A CN2012105112841 A CN 2012105112841A CN 201210511284 A CN201210511284 A CN 201210511284A CN 103181388 A CN103181388 A CN 103181388A
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methoxyfenozide
pyridalyl
pesticide composition
pesticidal combination
pesticide
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杨波涛
葛大鹏
陈鹏
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Hailir Pesticides and Chemicals Group Co Ltd
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Hailir Pesticides and Chemicals Group Co Ltd
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Abstract

The invention relates to a pesticide composition containing pyridalyl and methoxyfenozide. The pesticide composition contains the two effective components: pyridalyl and methoxyfenozide, and auxiliary components in balance. The weight ratio of pyridalyl to methoxyfenozide is (1-50):(50-1), and the total weight of pyridalyl and methoxyfenozide as effective components in the pesticide composition accounts for 1-80 percent of the total weight of the pesticide composition. The pesticide composition provided by the invention can be formulated in various pesticide formulations, such as emulsifiable concentrate, suspension concentrate, wettable powder, water dispersible granule, emulsion in water and microemulsion. The pesticide composition is mainly used for controlling rice stem borer, apple budworm, beet armyworm, Prodenia litura and thrip as well.

Description

A kind of Pesticidal combination that contains pyridalyl and methoxyfenozide
Technical field
The present invention relates to the agriculture chemical compounding technical field, particularly relate to a kind of Pesticidal combination that contains pyridalyl and methoxyfenozide.
Background technology
Pyridalyl (pyridalyl) is the insecticide that the sumitomo chemical company of Tokyo has, pyridalyl has stomach toxicity and action of contace poison simultaneously, lepidoptera pest there is good control efficiency, in addition thrips also there is certain activity, to the thrips natural enemies security, integrated control effect is preferably arranged.Pyridalyl chemistry 2-[3-[2 by name, 6-two chloro-4-[(3,3-two chloro-2-acrylic) the oxygen base] phenoxy group] propoxyl group]-5-(trifluoromethyl) pyrimidine, its chemical structural formula is
Figure 411317DEST_PATH_IMAGE001
Methoxyfenozide is a kind of of insect growth regulator, IGR, mainly is that the normal growth of interference insect is grown, though insect molting and dead, and can suppress to ingest.Methoxyfenozide controlling object selectivity is strong, and is only effective to lepidopterous larvae.Be mainly used in preventing and treating rice-stem borer, codling moth, beet armyworm, prodenia litura.The methoxyfenozide chemistry N-tert-butyl group-N ' by name-(3-methyl-2-toluyl groups)-3,5-dimethyl benzene formylhydrazine, its chemical structural formula is
Figure 748757DEST_PATH_IMAGE002
In the real process of agricultural production, use chemical agent and be the most effectively means of control plant pest, but be the generation of pest resistance to insecticide by the problem that the chemical control insect is easy to generate most.And long-term use single chemical insecticide continuously high dose, cause a series of problems such as residual, environmental pollution of medicament easily.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 positive characteristics such as drug-fast generation and development, pesticide compositional or to be mixed be one of the effective method the most that addresses the above problem.We filter out pyridalyl and methoxyfenozide is composite on the basis of lab screening and field trial, have obvious synergistic effect.And about the composite Pesticidal combination of pyridalyl and methoxyfenozide and use that still nobody reported at present.
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.Be mainly used in preventing and treating rice-stem borer, codling moth, beet armyworm, prodenia litura, thrips is also had certain control efficiency.
Technical scheme of the present invention realizes by following measure:
A kind of Pesticidal combination that contains pyridalyl and methoxyfenozide, the mass ratio of active ingredient pyridalyl and methoxyfenozide is 1~50: 50~1 in this Pesticidal combination, described Pesticidal combination of the present invention is through the toxicity test experimental verification, the mass ratio of pyridalyl and methoxyfenozide is 10~40: 40~10 o'clock, synergistic effect was better.
The formulations of pesticide that described Pesticidal combination of the present invention can be prepared are formulations such as missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.What pyridalyl and the methoxyfenozide gross mass in preparation accounted for the whole quality of the pharmaceutical preparations is 1%~80%, when wherein accounting for 5%-50%, and toxicity and the residual balance preferably that reaches, 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: 1~40 part of pyridalyl; 1~40 part of methoxyfenozide; 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 back that stirs after the dissolving fully again and becomes the oily liquids of transparent and homogeneous for earlier active ingredient pyridalyl and methoxyfenozide being added in the solvent, can namely can be made into the cream preparation of the present composition.
Described Pesticidal combination is suspending agent, and the mass fraction of component is: 1~40 part of pyridalyl; 1~40 part of methoxyfenozide; 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 earlier other auxiliary agents to be mixed, mix through high speed shear, add active ingredient pyridalyl and methoxyfenozide, 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 Pesticidal combination is wetting powder, and the mass fraction of component is: 1~40 part of pyridalyl; 1~40 part of methoxyfenozide; 3~10 parts of dispersants; 1~5 part of wetting agent; Filler, surplus.The concrete production stage of this wetting powder is: press above-mentioned prescription with active ingredient pyridalyl and methoxyfenozide and dispersant, wetting agent and filler mixing, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, namely 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: 1~40 part of pyridalyl; 1~40 part of methoxyfenozide; 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 pyridalyl and methoxyfenozide and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, add then 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 Pesticidal combination is aqueous emulsion, and the mass fraction of component is: 1~40 part of pyridalyl; 1~40 part of methoxyfenozide; 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 pyridalyl and methoxyfenozide, solvent and emulsifier, cosolvent are added together, make and be dissolved into uniform oil phase; With part water, antifreeze, other insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water until reaching the phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear half an hour approximately, form the aqueous emulsion of oil-in-water type, namely can be made into the aqueous emulsion of the present composition.
Described Pesticidal combination is microemulsion, and the mass fraction of component is: 1~40 part of pyridalyl, 1~40 part of methoxyfenozide, 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.Pyridalyl and methoxyfenozide are dissolved fully with cosolvent, add other compositions such as emulsifier, antifreezing agent stabilizing agent again, evenly mix, add water at last, can be made into microemulsion after fully stirring.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, the alkylphenol polyoxyethylene sulfosuccinate, styryl phenol APEO, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any or more than one any mixtures than composition 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 of forming.
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.
The present invention is that the compounded pesticides of active ingredient has obvious synergistic effect with pyridalyl and methoxyfenozide, delay the drug-fast generation in key, and reduced one-tenth and produced cost and use cost, can be used for the improvement of resistance disease, be mainly used in preventing and treating rice-stem borer, codling moth, beet armyworm, prodenia litura, thrips is also had certain control efficiency.
Embodiment
For making technical scheme of the present invention, purpose 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 all is ratio of quality and the number of copies.
Embodiment: the different proportioning co-toxicity experiments with methoxyfenozide of pyridalyl.
1.1 reagent agent
The former medicine of 98 % pyridalyls, the former medicine of 95% methoxyfenozide, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test target
The third-instar larvae of the responsive type beet armyworm that indoor 5 generations of 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
Earlier with the former medicine of acetone solution, result according to preliminary experiment is made into 5 different proportionings with two an amount of former medicines, it is stand-by with acetone each processing to be diluted to 5 concentration gradients respectively again, and the ratio of 5 different proportioning active ingredients with methoxyfenozide of pyridalyl is respectively 12:34; 17:29; 22:24; 27:19; 32:14.
1.3.2 chemicals treatment
The drop method that adopts NY/T1 154.1-2006 to recommend is measured.With micro-dropper solvent clean, regulate dropper to stand-by state.Choose the examination worm CO of neat and consistent with writing brush 2Slight paralysis is placed in the 9cm culture dish, then with micro-dropper with medicament by a belly that drips to polypide, 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
Figure 392228DEST_PATH_IMAGE003
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
Handle back 24h investigation examination worm death condition (judging that examination worm death standard is gently to sting no autonomic response with pin), record total borer population and dead borer population.
1.5 data statistics and analysis
According to investigation statistics, calculate the corrected mortality that each is handled.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.
Logarithm value with drug concentration (mg/L) is independent variable x, is dependent variable y with the probability value of corrected mortality, sets up the virulence regression equation formula respectively, adopts DPS software to calculate the LC of single agent 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: (be standard medicament with the pyridalyl, its toxicity index is 100):
The LC of the toxicity index of methoxyfenozide (TI)=pyridalyl 50The LC of/methoxyfenozide 50* 100
The LC of true toxicity index (ATI)=pyridalyl of M 50The LC of/M 50* 100
TI * P the methoxyfenozide of the TI * P pyridalyl+methoxyfenozide of theoretical toxicity index (TTI)=pyridalyl of M
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is the mixture of pyridalyl and the different proportionings of methoxyfenozide
The P pyridalyl is pyridalyl shared ratio in mixture
The P methoxyfenozide is methoxyfenozide shared ratio in mixture.
2.1 toxicity test result
Table 1 pyridalyl, methoxyfenozide are to beet pretty young woman's at night indoor measurement result
Figure 792641DEST_PATH_IMAGE004
As can be seen from the table, in the active ingredient pyridalyl: the methoxyfenozide ratio is 12:34; 17:29; 22:24; 27:19; Its co-toxicity coefficient showed certain synergistic effect, wherein pyridalyl all greater than 120 when 32:14 diluted respectively: methoxyfenozide is that the synergistic effect of 22:24 is the most obvious, and co-toxicity coefficient is 173.12.Result of the test shows that pyridalyl and methoxyfenozide are composite under indoor conditions all has higher activity to beet armyworm, and suggestion is carried out further field control effectiveness test to suitable proportion 22:24 left and right sides mixture preparation, to estimate its field practical application effect.
The experimental result of 3 field trials control beet armyworm, Frankliniella occidentalis
3.1 field trial control beet armyworm
3.1.1 test method
Test is carried out at Kaiping City, Guangdong Province suburb truck garden.Handle design concentration by each 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 the routine spraying, makes every effort to evenly thoughtful during the spray medicine.The field beet armyworm is 1~2 instar larvae peak period during dispenser.
Duration of test weather is good, and daily mean temperature is 17.8~26.4 ℃.Dispenser did not have rain the same day.
3.1.2 investigation method
Before dispenser in every residential quarter by 5 samplings of diagonal. every wild cabbage 2~3 strains (deciding on insect density) of choosing beet armyworm ovum and larva.Statistics is demarcated beet exigua larvae head number in the strain. with this as dispenser before the insect population radix.After the dispenser first time the 7th day, for the second time behind the medicine 7 days, 14 days respectively investigation decide the beet exigua larvae number of residual survival in the strain. go down rate as control efficiency with the correction insect population.
3.1.3 drug effect computational methods
Insect population rate (%)=(larva number behind medicine prelarva number-medicine)/medicine prelarva number * 100 of going down
Preventive effect (%)=(the treatment region insect population rate of going down-contrast insect population go down rate)/(100-check plot insect population go down rate) * 100.
3.1.4 poisoning investigation method
Observed the wild cabbage growing state in 7 days behind medicine, the range estimation medicament does not have poisoning to wild cabbage.
3.1.5 field control effectiveness test result
Table 2 is handled the experimental result of chemical control beet armyworm
Figure DEST_PATH_GDA0000315029391
46% pyridalyl methoxyfenozide is tested by different consumptions so that the 22:24 ratio is composite as can be seen from Table 2, and its control to beet armyworm all is better than contrasting medicament behind the medicine, and insecticidal effect increases progressively with the increase of dosage.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to wild cabbage all do not occur, illustrates that it is safe to wild cabbage.Advise that the insecticide different with the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
4.1 field experiment control Frankliniella occidentalis test
4.1.1 test method
Test in Liquan capsicum ground, Xianyang, Shanxi province city, thrips is contained the phase of sending out and carries out.Use WF-16 type knapsack hand sprayer, 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 the routine spraying, makes every effort to evenly thoughtful during the spray medicine.
Duration of test weather is good, and daily mean temperature is 17.8~25.4 ℃.Dispenser did not have rain the same day.
4.1.2 investigation method
Investigation insect population radix before the dispenser,, 5 samplings in every residential quarter, every some random searching plant middle and upper part l0 total number of thrips in spending, with quadrat method 7d after the dispenser first time, 7d behind the medicine for the second time, 14d checks the remaining borer population of living, and calculates insect population go down rate and control efficiency.
4.1.3 drug effect computational methods
Insect population rate (%)=(larva number behind medicine prelarva number-medicine)/medicine prelarva number * 100 of going down
Preventive effect (%)=(the treatment region insect population rate of going down-contrast insect population go down rate)/(100-check plot insect population go down rate) * 100.
4.1.4 poisoning investigation method
Observed the chili growth situation in 7 days behind medicine, the range estimation medicament does not have poisoning to capsicum.
4.1.5 field control effectiveness test result
Figure DEST_PATH_GDA0000315029392
As can be seen from Table 3, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to the capsicum Frankliniella occidentalis is better than contrasting medicament behind the medicine, 46% pyridalyl methoxyfenozide is with the composite control Frankliniella occidentalis of 22:24 ratio instant effect, efficiency time is long, and control efficiency is good, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication is handled capsicum is not all produced poisoning.The suggestion dispenser is grasped at the Frankliniella occidentalis occurance peak period, requires even spraying during dispenser, and it does not hinder flower to spending safety.This is mixed, and can effectively control Frankliniella occidentalis to host's harm, to the raising of quality of vegetable with increase production significantly, stronger popularizing value is arranged.
Survey and field experiment by above giving birth to; we can know that the compounded pesticides that the present invention contains pyridalyl and methoxyfenozide has good control efficiency to insects such as beet armyworm, thrips; to the target crop safety; compare with single agent; Pesticidal combination of the present invention has mechanism of action uniqueness; consumption is few; instant effect; the advantage that lasting period is long; so; have very big economic benefit in research and development of the present invention and popularization, to the volume increase of peasant household crop with increase income and the protection of local ecotope is had very important meaning.

Claims (5)

1. Pesticidal combination that contains pyridalyl and methoxyfenozide, it is characterized in that: the active ingredient of this Pesticidal combination is pyridalyl and methoxyfenozide binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient pyridalyl and methoxyfenozide is 1~50: 50~1.
2. Pesticidal combination according to claim 1, it is characterized in that: the mass ratio of pyridalyl and methoxyfenozide is preferably 10~40: 40~10.
3. Pesticidal combination according to claim 1, it is characterized in that: pyridalyl and the methoxyfenozide gross weight in preparation accounts for 1%~80% of the whole quality of the pharmaceutical preparations.
4. Pesticidal combination according to claim 3, it is characterized in that: pyridalyl and the methoxyfenozide gross weight in preparation accounts for 5%~50% of the whole quality of the pharmaceutical preparations.
5. according to claim 1 or 2 or 3 or 4 described Pesticidal combinations, it is characterized in that: the formulations of pesticide that this Pesticidal combination can be mixed with are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
CN2012105112841A 2012-12-04 2012-12-04 Pesticide composition containing pyridalyl and methoxyfenozide Pending CN103181388A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104738037A (en) * 2013-12-25 2015-07-01 南京华洲药业有限公司 Composite insecticidal composition containing pyridalyl and methoxyfenozide and application thereof
CN106857527A (en) * 2016-12-30 2017-06-20 新昌县赛因斯生物科技有限公司 A kind of complex insecticidal composition containing fluorine chlorine ether chrysanthemum ester and its application
CN106857526A (en) * 2016-12-30 2017-06-20 新昌县赛因斯生物科技有限公司 A kind of Pesticidal combination containing pyridalyl and methoxyfenozide

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104738037A (en) * 2013-12-25 2015-07-01 南京华洲药业有限公司 Composite insecticidal composition containing pyridalyl and methoxyfenozide and application thereof
CN106857527A (en) * 2016-12-30 2017-06-20 新昌县赛因斯生物科技有限公司 A kind of complex insecticidal composition containing fluorine chlorine ether chrysanthemum ester and its application
CN106857526A (en) * 2016-12-30 2017-06-20 新昌县赛因斯生物科技有限公司 A kind of Pesticidal combination containing pyridalyl and methoxyfenozide

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Application publication date: 20130703