CN103109824A - Insecticidal composition containing pyridalyl and spirotetramat - Google Patents
Insecticidal composition containing pyridalyl and spirotetramat Download PDFInfo
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- CN103109824A CN103109824A CN2013100678941A CN201310067894A CN103109824A CN 103109824 A CN103109824 A CN 103109824A CN 2013100678941 A CN2013100678941 A CN 2013100678941A CN 201310067894 A CN201310067894 A CN 201310067894A CN 103109824 A CN103109824 A CN 103109824A
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- pyridalyl
- ethyl ester
- spiral shell
- shell worm
- worm ethyl
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Abstract
The invention relates to an insecticidal composition containing pyridalyl and spirotetramat. The active ingredients of the insecticidal composition are a binary compound of pyridalyl and spirotetramat, wherein the mass ratio of pyridalyl to spirotetramat is (1-40):(40-1), and the total weight of the active ingredients pyridalyl and spirotetramat in the composition is 1%-80% the weight of the whole preparation; and the rest are auxiliary elements which are allowed for use and acceptable in pesticides. The dosage form of the insecticidal composition is missible oil, suspending agent, wettable powder, water dispersible granule, aqueous emulsion or micro-emulsion. The insecticidal composition disclosed by the invention can be used for effectively preventing and controlling lepidoptera pests and various sucking pests such as aphides, thrips, plant louses, mealybugs, white flies, scale insects and the like.
Description
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 spiral shell worm ethyl ester.
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 is had to good control efficiency, in addition thrips is also had to certain activity, to the thrips natural enemies security, integrated control effect is preferably arranged.Pyridalyl chemistry 2-[3-[2 by name, the chloro-4-[(3 of 6-bis-, the chloro-2-acrylic of 3-bis-) the oxygen base] phenoxy group] propoxyl group]-5-(trifluoromethyl) pyrimidine, its chemical structural formula is
.
Spiral shell worm ethyl ester is the tetronic acid compounds, and spiral shell worm ethyl ester has unique function Characteristics, is unique modern insecticide with two-way interior suction conductive performance so far.Spiral shell worm ethyl ester high-efficiency broad spectrum, can effectively prevent and treat various suckings pest, as aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.Applicable chief crop comprises, cotton, soybean, oranges and tangerines, tropical fruit tree, nut, grape, lupulus, potato and vegetables etc.The chemical name of spiral shell worm ethyl ester: cis-3-(2,5-3,5-dimethylphenyl)-8-methoxyl group-2-oxo-1-azaspiro [4.5]-last of the ten Heavenly stems 3-alkene-4-guanidine-acetic acid ethyl ester, 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 produced by the 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 the 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 characteristics such as drug-fast generation and development, pesticide compositional or to be mixed be one of the effective method the most addressed the above problem.We filter out pyridalyl and spiral shell worm ethyl ester is composite on the basis of lab screening and field trial, have obvious synergistic effect.And there is no at present the people about pyridalyl and the composite Pesticidal combination of spiral shell worm ethyl ester and application 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.Can effectively prevent and treat lepidoptera pest and various sucking pest, as aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.
Technical scheme of the present invention realizes by following measures:
A kind of Pesticidal combination that contains pyridalyl and spiral shell worm ethyl ester, in this Pesticidal combination, the mass ratio of active ingredient pyridalyl and spiral shell worm ethyl ester is 1～40: 40～1, described Pesticidal combination of the present invention is through the toxicity test experimental verification, the mass ratio of pyridalyl and spiral shell worm ethyl ester is 1～40: 40～1 o'clock, synergistic effect was better.
The formulations of pesticide that described Pesticidal combination of the present invention can be prepared are the formulations such as missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.Pyridalyl and the gross mass of spiral shell worm ethyl ester in preparation account for 1%～80% of the whole quality of the pharmaceutical preparations, while wherein accounting for 15%～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 spiral shell worm ethyl ester; 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 again for first active ingredient pyridalyl and spiral shell worm ethyl ester being added in solvent after dissolving fully, 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: 1～40 part of pyridalyl; 1～40 part of spiral shell worm ethyl ester; 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, mix through high speed shear, add active ingredient pyridalyl and spiral shell worm ethyl ester, 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: 1～40 part of pyridalyl; 1～40 part of spiral shell worm ethyl ester; 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, the active ingredient pyridalyl is mixed with spiral shell worm ethyl ester and dispersant, wetting agent and filler, uniform stirring in stirred tank, mixing after airslide disintegrating mill, 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 spiral shell worm ethyl ester; 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 formula, the active ingredient pyridalyl is mixed with spiral shell worm ethyl ester and dispersant, wetting agent, disintegrant and filler, with micro jet, pulverize, through mediating, then add in the fluidized bed prilling dryer and carry out granulation, drying, 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: 1～40 part of pyridalyl; 1～40 part of spiral shell worm ethyl ester; 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 spiral shell worm ethyl ester, 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 the reactor high speed stirs, oil phase is added to water, slowly add water until reach the 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: 1～40 part of pyridalyl, 1～40 part of spiral shell worm ethyl ester, 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 spiral shell worm ethyl ester are dissolved fully 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.
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 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 formed.
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 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
10-20the 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 precipitated calcium carbonate.
The present invention be take the compounded pesticides that active ingredient is pyridalyl and spiral shell worm ethyl ester and is had obvious synergistic effect, delay the drug-fast generation in key, and reduced one-tenth and produced cost and use cost, can effectively prevent and treat lepidoptera pest and various sucking pest, as aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.
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 is all ratio of quality and the number of copies.
Embodiment: pyridalyl proportioning co-toxicity experiments different from spiral shell worm ethyl ester.
1.1 reagent agent
The former medicine of 98 % pyridalyl, the former medicine of 95% spiral shell worm ethyl ester, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test target
Frankliniella occidentalis: be placed in temperature 27-29 ℃, relative moisture 50% left and right is raised and is set up population with the sword bean angle in the incubator of periodicity of illumination 16/8h (L/D) in raising bottle, get grow consistent 3 age nymph tested.
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 to different proportionings, then it is stand-by with acetone, each processing to be diluted to respectively to some concentration gradients.
1.3.2 chemicals treatment
Adopt leaf dipping method to be measured.Preprepared wild cabbage leaf (2 ㎝ * 3 ㎝) was soaked for 10 seconds in liquid, take out nature and dry to surface without washmarking, choose into Frankliniella occidentalis nymph in 3 age with writing brush, will try worm and move 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
48h investigation examination worm death condition after processing (judgement examination worm death standard is that Frankliniella occidentalis and medicine leaf are poured on black paper, with writing brush, touches polypide, and that can not creep is considered as death), 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 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%, do not proofread and correct, the contrast lethality, between 5%-20%, is proofreaied and correct by formula 2, the contrast lethality > 20%, 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 the virulence regression equation formula, adopts DPS software to calculate the EC 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 pyridalyl as the standard medicament, its toxicity index is 100):
The EC of the toxicity index (TI) of spiral shell worm ethyl ester=pyridalyl
50the EC of/spiral shell worm ethyl ester
50* 100
The EC of the true toxicity index (ATI) of M=pyridalyl
50the EC of/M
50* 100
The TI of the TI of the theoretical toxicity index (TTI) of M=pyridalyl * P pyridalyl+spiral shell worm ethyl ester * P spiral shell worm ethyl ester
The TTI of the ATI/M of the co-toxicity coefficient of M (CTC)=M * 100
In formula:
The mixture that M is pyridalyl and the different proportionings of spiral shell worm ethyl ester
The P pyridalyl is pyridalyl shared ratio in mixture
P spiral shell worm ethyl ester is spiral shell worm ethyl ester shared ratio in mixture.
2.1 toxicity test result
Table 1 pyridalyl, the spiral shell worm ethyl ester indoor measurement result to beet pretty young woman at night
As can be seen from the table, in the active ingredient pyridalyl: when spiral shell worm ethyl ester ratio is 1:40～40:1 dilution, its co-toxicity coefficient all is greater than 120, and show certain synergistic effect, wherein pyridalyl: the synergistic effect that spiral shell worm ethyl ester is 4:40～40:4 is the most obvious.Result of the test shows, under indoor conditions, pyridalyl and spiral shell worm ethyl ester are composite all has higher activity to thrips, and suggestion is carried out further field control effectiveness test to suitable proportion 4:40～40:4 left and right mixture preparation, to estimate its field practical application effect.
The experimental result of 3 field trial control thrips, aphid
3.1 field experiment control Frankliniella occidentalis test
3.1.1 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 same day is without rain.
3.1.2 investigation method
Investigation insect population radix ，，Mei 5 of communities sampling before dispenser, total the number of thrips in every some random searching plant middle and upper part l0 piece spends, same method is ld after dispenser, 5d, 10d checks the remaining borer population of living, and calculates insect population decline rate and 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 1,5,10 day after medicine, observe the chili growth situation, the range estimation medicament to capsicum without poisoning.
3.1.5 field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, after medicine, its control efficiency to the capsicum Frankliniella occidentalis is better than contrasting medicament, with pyridalyl: the spiral shell worm ethyl ester 24:24 ratio control Frankliniella occidentalis instant effect that is mixed, efficiency time is long, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication is processed capsicum is not all produced to poisoning.The suggestion dispenser rests in the Frankliniella occidentalis occurance peak period, can effectively control the harm of Frankliniella occidentalis to the host, to the raising of quality of vegetable with increase production significantly, stronger popularizing value is arranged.
4.1 field trial control apple aphid
4.1.1 test method
Test in apple ground, Guia Hill village, Qixia City of Shandong Province Guia Hill town and tested, the apple growing way is fine, and the soil texture is loam, middle fertility, the dispenser medical instruments are bodyguard WS-16 type manual sprayer, the cone nozzle spraying, operating pressure 0.2-0.4MPa, flow 0.65-0.88L/min.
4.1.2 control time and method
Investigation insect population quantity before medicine, after medicine, 3,7,14 days residual borer populations alive of investigation, respectively select a treetop in each 4 of the Nei Shu four corners of the world, community direction, and 5 leaves of every tip mark are investigated 4 Aphed populations on 20 leaves altogether.Calculate decline rate and preventive effect with following formula.
4.1.3 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.
4.1.4 poisoning investigation method
Within 3,7,14 days after medicine, observe the fruit tree growth situation, the range estimation medicament to fruit tree without poisoning.
4.1.5 field control effectiveness test result
The experimental result of table 3 treatment agent control apple aphid
The Mixed Pharmacy of different proportion, tested by different consumptions as can be seen from Table 3, and with pyridalyl: its control to apple aphid after medicine that is mixed of spiral shell worm ethyl ester 24:24 ratio all is better than contrasting medicament, and 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 apple does not all appear in each treatment agent, illustrates that it is safe to apple.Advise that the insecticide different from the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
To sum up indoor biometrics and twice field experiment result are described, of the present inventionly take pyridalyl and spiral shell worm ethyl ester and carry out two yuan of composite Pesticidal combinations as active ingredient, to thrips, the insects such as aphid show good control efficiency, to the target crop safety, with single dose, compare, Pesticidal combination of the present invention has mechanism of action uniqueness, the unit consumption is few, quick-acting is good, lasting period is long, the plurality of advantages such as the effect field is more wide in range, to plant diseases, insect pest can have better control, so, produce very large economic worth in research and development of the present invention and promotion conference, 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 pyridalyl and spiral shell worm ethyl ester, it is characterized in that: the active ingredient of this Pesticidal combination is pyridalyl and spiral shell worm ethyl ester binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient pyridalyl and spiral shell worm ethyl ester is 1～40: 40～1.
2. Pesticidal combination according to claim 1, it is characterized in that: pyridalyl and the gross mass of spiral shell worm ethyl ester in preparation account for 1%～80% of the whole quality of the pharmaceutical preparations.
3. Pesticidal combination according to claim 2, it is characterized in that: pyridalyl and the gross weight of spiral shell worm ethyl ester in preparation account for 15%～50% of the whole quality of the pharmaceutical preparations.
4. according to claim 1 or 2 or 3 described Pesticidal combinations, it is characterized in that: the formulation of this Pesticidal combination is 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 |
|---|---|---|---|---|
| CN1232450A (en) * | 1996-08-05 | 1999-10-20 | 拜尔公司 | 2- and 2,5-substd. phenylketoenols |
| US6376428B1 (en) * | 1994-10-14 | 2002-04-23 | Sumitomo Chemical Company, Limited | Dihalopropene compounds, insecticidal/acaricidal agents containing same, and intermediates for their production |
| CN103355301A (en) * | 2012-03-31 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing pyridalyl |
-
2013
- 2013-03-05 CN CN2013100678941A patent/CN103109824A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6376428B1 (en) * | 1994-10-14 | 2002-04-23 | Sumitomo Chemical Company, Limited | Dihalopropene compounds, insecticidal/acaricidal agents containing same, and intermediates for their production |
| CN1232450A (en) * | 1996-08-05 | 1999-10-20 | 拜尔公司 | 2- and 2,5-substd. phenylketoenols |
| CN103355301A (en) * | 2012-03-31 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing pyridalyl |
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