CN103202303A - Insecticidal composition containing clothianidin and pyridalyl - Google Patents
Insecticidal composition containing clothianidin and pyridalyl Download PDFInfo
- Publication number
- CN103202303A CN103202303A CN2013101500541A CN201310150054A CN103202303A CN 103202303 A CN103202303 A CN 103202303A CN 2013101500541 A CN2013101500541 A CN 2013101500541A CN 201310150054 A CN201310150054 A CN 201310150054A CN 103202303 A CN103202303 A CN 103202303A
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- CN
- China
- Prior art keywords
- pyridalyl
- insect amide
- thiophene insect
- pesticidal combination
- clothianidin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000005926 Pyridalyl Substances 0.000 title claims abstract description 55
- AEHJMNVBLRLZKK-UHFFFAOYSA-N pyridalyl Chemical group N1=CC(C(F)(F)F)=CC=C1OCCCOC1=C(Cl)C=C(OCC=C(Cl)Cl)C=C1Cl AEHJMNVBLRLZKK-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000000203 mixture Substances 0.000 title claims abstract description 28
- 230000000749 insecticidal effect Effects 0.000 title abstract description 7
- PGOOBECODWQEAB-UHFFFAOYSA-N (E)-clothianidin Chemical compound [O-][N+](=O)\N=C(/NC)NCC1=CN=C(Cl)S1 PGOOBECODWQEAB-UHFFFAOYSA-N 0.000 title abstract 5
- 239000005888 Clothianidin Substances 0.000 title abstract 5
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims abstract description 9
- 239000000375 suspending agent Substances 0.000 claims abstract description 7
- 239000003094 microcapsule Substances 0.000 claims abstract description 6
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 6
- 239000008187 granular material Substances 0.000 claims abstract description 5
- 239000004530 micro-emulsion Substances 0.000 claims abstract description 5
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 96
- 241000238631 Hexapoda Species 0.000 claims description 67
- 229930192474 thiophene Natural products 0.000 claims description 48
- 150000001408 amides Chemical class 0.000 claims description 46
- 230000000361 pesticidal effect Effects 0.000 claims description 24
- 239000004480 active ingredient Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 7
- 238000009472 formulation Methods 0.000 claims description 6
- 238000009736 wetting Methods 0.000 claims description 6
- 239000000825 pharmaceutical preparation Substances 0.000 claims description 3
- 241000256247 Spodoptera exigua Species 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 241001414989 Thysanoptera Species 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000575 pesticide Substances 0.000 abstract description 6
- 239000003921 oil Substances 0.000 abstract description 5
- 241000426497 Chilo suppressalis Species 0.000 abstract description 4
- 241000255967 Helicoverpa zea Species 0.000 abstract description 4
- 241000500437 Plutella xylostella Species 0.000 abstract description 4
- 241000985245 Spodoptera litura Species 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 2
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- 239000003795 chemical substances by application Substances 0.000 description 10
- 230000007423 decrease Effects 0.000 description 10
- -1 heterocycle benzamide compound Chemical class 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
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- 231100000572 poisoning Toxicity 0.000 description 6
- 230000000607 poisoning effect Effects 0.000 description 6
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical group [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 description 2
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- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 description 1
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- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
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- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical group OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
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- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
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- KXDAEFPNCMNJSK-UHFFFAOYSA-N benzene carboxamide Natural products NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 1
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- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to an insecticidal composition containing clothianidin and pyridalyl. The effective components comprise the clothianidin and the pyridalyl which are formed by binary compounding, wherein the mass ratio of the clothianidin to the pyridalyl is (1-40): (40-1); in a preparation, the whole mass of the effective components including the clothianidin and the pyridalyl is 1-80% of the whole preparation and the residue is an auxiliary component which is allowable to use and acceptable in pesticides; and the preparation of the insecticidal composition disclosed by the invention can be emulsified oil, suspending agent, wettable powder, water dispersible granule, emulsion in water, microemulsion, granule and micro-capsule. The insecticidal composition can be used for preventing and treating lepidopteron including diamond back moth, beet armyworm, prodenia litura, cotton bollworm, Chilo suppressalis and the like, and also has certain activity on thrips.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, particularly relate to a kind of Pesticidal combination that contains thiophene insect amide and pyridalyl.
Background technology
The thiophene insect amide is the Novel ortho heterocycle benzamide compound that Jiangsu Pesticide Research Institute Co., Ltd is found in initiative in 2009, chemical name is the bromo-N-{4-chloro-2-methyl of 3--6-[2-(5-amino-1,3, the 4-thiadiazoles)] phenyl }-1-(3-chloropyridine-2-yl)-1H-pyrazoles-5-formamide, the lepidopterous insects such as diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer are had to high activity.Structural formula is:
。
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
.
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 thiophene insect amide and pyridalyl composite on the basis of lab screening and field trial, have obvious synergistic effect.And there is no at present the people about thiophene insect amide and the composite Pesticidal combination of pyridalyl 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.Be mainly used in preventing and treating the lepidopterous insects such as diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, thrips is also had to certain activity.
Technical scheme of the present invention realizes by following measures:
A kind of Pesticidal combination that contains thiophene insect amide and pyridalyl, in this Pesticidal combination, the mass ratio of active ingredient thiophene insect amide and pyridalyl is 1～40: 40～1, described Pesticidal combination of the present invention is through the toxicity test experimental verification, the mass ratio of thiophene insect amide and pyridalyl 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 missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.Thiophene insect amide and the pyridalyl 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 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 thiophene insect amide; 1～40 part of pyridalyl; 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 thiophene insect amide and pyridalyl 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 thiophene insect amide; 1～40 part of pyridalyl; 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 thiophene insect amide and pyridalyl, 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 thiophene insect amide; 1～40 part of pyridalyl; 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 thiophene insect amide is mixed with pyridalyl 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 thiophene insect amide; 1～40 part of pyridalyl; 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, active ingredient thiophene insect amide is mixed with pyridalyl 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 thiophene insect amide; 1～40 part of pyridalyl; 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 thiophene insect amide and pyridalyl, 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 thiophene insect amide; 1～40 part of pyridalyl; 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.Thiophene insect amide and pyridalyl 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.
Described Pesticidal combination is granule, and the mass fraction of component is: 1～40 part of thiophene insect amide; 1～40 part of pyridalyl; 1～10 part of wetting dispersing agent; 0.1～5 part of thickener; 0.1～5 part of defoamer; Castor oil, surplus is supplied.Active ingredient thiophene insect amide is mixed in the ratio of formula with each components such as pyridalyl, dispersant, stabilizing agent, defoamer and solvents, after putting into 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: 1～40 part of thiophene insect amide; 1～40 part of pyridalyl; 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 (the amount of substance ratio is about l:1.5～2.0), with the pH value to 8 of sodium hydroxide solution regulator solution～9 left and right, then be warming up to 70～80 ℃, reaction obtains stable urea resin prepolymer.The former medicine of getting a certain amount of thiophene insect amide and pyridalyl 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 the pH value, polymerization reaction take place under the acid catalysis condition, be 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, 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 thiophene insect amide and pyridalyl and is had obvious synergistic effect, delay the drug-fast generation in key, and reduced one-tenth and produced cost and use cost, be mainly used in preventing and treating the lepidopterous insects such as diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, thrips is also had to certain activity.
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: thiophene insect amide proportioning co-toxicity experiments different from pyridalyl.
1.1 reagent agent
96% the former medicine of thiophene insect amide, the former medicine of 96% pyridalyl, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test target
Beet armyworm: the third-instar larvae of the responsive type beet armyworm 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 to 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.Choose the examination worm CO of neat and consistent with writing brush
2slight paralysis is placed in the 9cm culture dish, then with the micro intravenous drip device by medicament by a belly that drips to polypide, every some drops physic liquor 0.1L, the corresponding acetone contained 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), 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 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 the thiophene insect amide as the standard medicament, its toxicity index is 100):
The EC of the toxicity index of pyridalyl (TI)=thiophene insect amide
50the EC of/pyridalyl
50* 100
The EC of the true toxicity index (ATI) of M=thiophene insect amide
50the EC of/M
50* 100
The TI of the TI of the theoretical toxicity index (TTI) of M=thiophene insect amide * P thiophene insect amide+pyridalyl * P pyridalyl
The TTI of the ATI/M of the co-toxicity coefficient of M (CTC)=M * 100
In formula:
M is the thiophene insect amide and the mixture of the different proportionings of pyridalyl
The P pyridalyl is pyridalyl shared ratio in mixture
P thiophene insect amide is thiophene insect amide shared ratio in mixture.
2.1 toxicity test result
Table 1 thiophene insect amide and the pyridalyl indoor measurement result to beet armyworm
As can be seen from the table, in active ingredient thiophene insect amide: when the pyridalyl ratio is 1:40～40:1 dilution, its co-toxicity coefficient all is greater than 120, and show certain synergistic effect, wherein the thiophene insect amide: the synergistic effect that pyridalyl is 4:40～40:4 is the most obvious.Result of the test shows, under indoor conditions, thiophene insect amide and pyridalyl are composite all has higher activity to beet armyworm, 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.
3, the experimental result of field trial control beet armyworm, thrips
3.1 field trial control beet armyworm
3.1.1 test method
Test is carried out at Kaiping City, Guangdong Province suburb truck garden.Process 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.During dispenser, the field beet armyworm is 1～2 instar larvae peak period.
Duration of test weather is good, and daily mean temperature is 17.8～26.4 ℃.Dispenser same day is without rain.
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 Beet Armyworm Eggs and larva.Statistics is demarcated beet exigua larvae head number in strain. using this as dispenser before the insect population radix.After dispenser for the first time the 7th day, for the second time after medicine 7 days, 14 days respectively investigation determine the beet exigua larvae number of residual survival in strain. using correction 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 the wild cabbage growing state, the 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, carry out field experiment by different consumptions, after medicine, its control efficiency to beet armyworm is better than contrasting medicament, with the composite control of thiophene insect amide pyridalyl 12:36 ratio beet armyworm 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 beet armyworm to the host, to the raising of quality of vegetable with increase production significantly, stronger popularizing value is arranged.
4.1 field experiment control thrips 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 same day is without rain.
4.1.2 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.
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 7 days after medicine, observe the chili growth situation, the range estimation medicament to capsicum without poisoning.
4.1.5 field control effectiveness test result
As can be seen from Table 3, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, after medicine, its control efficiency to thrips is better than contrasting medicament, the composite control of thiophene insect amide pyridalyl 12:36 ratio thrips 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 processed capsicum is not all produced to poisoning.To the raising of quality with increase production significantly, stronger popularizing value is arranged.
To sum up indoor biometrics and twice field experiment result are described, of the present inventionly take thiophene insect amide and pyridalyl and carry out two yuan of composite Pesticidal combinations as active ingredient, to beet armyworm, the insects such as thrips 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 thiophene insect amide and pyridalyl, it is characterized in that: the active ingredient of this Pesticidal combination is thiophene insect amide and pyridalyl binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient thiophene insect amide and pyridalyl is 1～40: 40～1.
2. Pesticidal combination according to claim 1, it is characterized in that: thiophene insect amide and the pyridalyl gross mass in preparation accounts for 1%～80% of the whole quality of the pharmaceutical preparations.
3. Pesticidal combination according to claim 2, it is characterized in that: thiophene insect amide and the pyridalyl gross weight in preparation accounts for 5%～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, granule, microcapsule formulations
.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
| CN102047915A (en) * | 2011-01-11 | 2011-05-11 | 青岛海利尔药业有限公司 | Insecticidal composition containing thiacloprid amide |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
| CN102047915A (en) * | 2011-01-11 | 2011-05-11 | 青岛海利尔药业有限公司 | Insecticidal composition containing thiacloprid amide |
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| 倪珏萍 等: ""噻虫酰胺对5种鳞翅目昆虫的杀虫活性研究"", 《现代农药》 * |
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