CN102239875A - Insecticidal composition containing 1-(3-fluoro-4-chlorphenyl)-2-methylthioethanone-O-(2-hydroxymethyl-3-methyl)aether and partial nicotine compounds - Google Patents
Insecticidal composition containing 1-(3-fluoro-4-chlorphenyl)-2-methylthioethanone-O-(2-hydroxymethyl-3-methyl)aether and partial nicotine compounds Download PDFInfo
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Abstract
The invention relates to an insecticidal composition in the field of the compounding of pesticides. The insecticidal compound comprises active ingredients, namely 1-(3-fluoro-4-chlorphenyl)-2-methylthioethanone-O-(2-hydroxymethyl-3-methyl)aether and partial nicotine compound pesticides, the weight ratio of 1-(3-fluoro-4-chlorphenyl)-2-methylthioethanone-O-(2-hydroxymethyl-3-methyl)aether to partial nicotine compound pesticides is 1-80:90-1, and the preferred weight ratio is 1-50:60-5; and the total mass content of the active ingredients in the insecticidal compound is 1 to 90 percent, the preferred total mass content is 5 to 65 percent, and the insecticidal composition also comprises auxiliary ingredients which are allowed to be used and can be accepted in the pesticides. The insecticidal compound can be prepared into emulsion in water, microemulsion, missible oil, a suspending agent, wettable powder, and water dispersible granules by the known method. The insecticidal compound in which the 1-(3-fluoro-4-chlorphenyl)-2-methylthioethanone-O-(2-hydroxymethyl-3-methyl)aether and the nicotine compound pesticide are taken as the active ingredients is mainly used for controlling pests on fruit trees such as tangerine trees and the like, vegetables, and tea.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, being specifically related to a kind of is two yuan of Pesticidal combinations that are mixed of active ingredient with sufluoxime and partial nicotinic compounds.
Background technology
Sufluoxime research and development code name is HNPC-A2005, chemical name: 1-(3-fluoro-4-chlorphenyl)-2-methylmercaptan ethyl ketoxime-O-(2-methyl biphenyl-3-methyl) ether, be national southern agricultural chemicals initiative Hunan, center base Hunan Chemical Research Institute autonomous Design in 2002, the synthetic non-ester class pyrethroid novel pesticide of formulating out with independent intellectual property right, its structural formula is:
Sufluoxime can effectively be prevented and treated tea tree insect, tea caterpillar, tea lesser leafhopper, tea chi Qu, oranges and tangerines insect leaf miner and vegetable-crop pest-insect, cabbage caterpillar etc., and insecticidal spectrum is wide, and effect rapidly.Toxicity and residual result of the test show, sufluoxime belongs to low toxicity, low-residual, to the environmentally friendly compound of non-target organism safety.
Patent about sufluoxime; as seen patent ZL99115557.2; denomination of invention is " biocidal alkyl-replacement (mixing)-aryl-ketoxime-O-ether and intermediate ketone, oxime compound and preparation method thereof "; with patent ZL200310110647.1; denomination of invention is " sulfur-bearing of desinsection, sterilization, an oxime-containing ether compound "; mainly oximido ether compounds such as sufluoxime and intermediate and preparation method etc. are protected in these two patents; also have the protection of some single agent formulation aspects simultaneously, but and not mentioned and other desinsections or bactericide compounded composition.
Also has patent ZL200810032165.1 in addition; mention the desinsection patent protection that sufluoxime and macrolides compound are composite in " Pesticidal combination of insecticide sufluoxime "; patent ZL201110120149.X; mention sufluoxime and the composite insecticide patent protection of carbamate compound in " a kind of Pesticidal combination that contains sufluoxime "; patent ZL201110122465.0; mention sufluoxime and the composite insecticide patent protection of part chitin synthesis inhibitor compounds in " a kind of agriculture chemical compounding composition that contains sufluoxime ", but the research of not mentioned compound synergic effect to other classification compounds.
Partial nicotinic compounds insecticide of the present invention mainly comprises Imidacloprid, Acetamiprid, thiophene worm piperazine, Nitenpyram, thiophene worm quinoline, thiophene worm amine, MTI-446, their mechanism of action is identical, all act on the insect nAChR, controlling object and action characteristic are also basic identical.But be subjected to the long-term influence of using of nicotine compound insecticide, the pesticide resistance of this insecticides in many insects is more and more serious at present, and control efficiency declines to a great extent, and dosage significantly increases, the two-way increase of production cost and use cost.And through our company after deliberation personnel discover in the long term test in agriculture chemical compounding field, the insecticide sufluoxime of new generation and the nicotinic insecticide of Hunan Chemical Research Institute's initiative are mixed, has the notable synergistic effect, can effectively solve the unfavorable problem that above nicotinic insecticide runs at present in market, and, do not find the correlative study and the report of this both mixed pesticide synergy to so far.
Summary of the invention
In conjunction with above background, in order to satisfy pesticide producing, the needs that use in the land for growing field crops, make full use of two kinds of synergistic effects that active component is mixed and is produced, improve preventive effect, reduce agricultural cost and delay the generation of pest resistance to insecticide, I research staff of company passes through long term test research, a kind of new agricultural chemical insecticide composition has been proposed, be Pesticidal combination of the present invention: said composition contains A, two kinds of active components of B, wherein component A is selected from sufluoxime, and B component is selected from the nicotine compound pesticide imidacloprid, Acetamiprid, Nitenpyram, thiophene worm piperazine, thiophene worm quinoline, thiophene worm amine, one of any in the MTI-446.
One of any in A sufluoxime and B nicotinic insecticide Imidacloprid, Acetamiprid, Nitenpyram, thiophene worm piperazine, thiophene worm quinoline, thiophene worm amine, the MTI-446 be two yuan of composite Pesticidal combinations of active ingredient of the present invention containing, and the percentage by weight of effective active composition A and B is 1～80: 90～1.
One of any in A sufluoxime and B nicotinic insecticide Imidacloprid, Acetamiprid, Nitenpyram, thiophene worm piperazine, thiophene worm quinoline, thiophene worm amine, the MTI-446 be two yuan of composite Pesticidal combinations of active ingredient of the present invention containing, and the percentage by weight of effective active composition A and B is preferably 1～50: 60～5.
It is one of key character of the present invention that two kinds of active components of A, B are re-dubbed new compositions according to a certain percentage, and another feature is that described to contain the formulation that sufluoxime and the composite Pesticidal combination of nicotinic insecticide can be made into be aqueous emulsion, microemulsion, missible oil, suspending agent, wetting powder, water dispersible granules.
One of any in sufluoxime and nicotinic insecticide Imidacloprid, Acetamiprid, Nitenpyram, thiophene worm piperazine, thiophene worm quinoline, thiophene worm amine, the MTI-446 be two yuan of composite Pesticidal combinations of active ingredient of the present invention containing, the gross mass content of two kinds of active components of A, B in preparation is 1%-90%, preferred 5%-65%; All the other are usual auxiliaries in the agricultural chemicals.
Pesticidal combination of the present invention has obvious synergistic effect, can significantly reduce effective ingredient consumption, the land for growing field crops formulation rate, reduce cost, delay the generation of pest resistance to insecticide, reduce environmental pollution and residue of pesticide, enlarged insecticidal spectrum, many insects on the fruit trees such as vegetables, tealeaves, oranges and tangerines all there is greater activity, as anti-eliminate aphis, aleyrodid, cabbage caterpillar, killing vegetable noctuid class, tea tree insect such as tea caterpillar, tea lesser leafhopper, tea chi Qu etc., oranges and tangerines insect leaf miner, oranges and tangerines aphid, scale insect etc., aspect preventive effect excellences such as thrips insect.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.The following stated only is the present invention embodiment preferably, only is used to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of being made within the spirit and principles in the present invention, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
The simple embodiment of the formulations of pesticide that the present composition can be made into is as follows:
In the following technical scheme, component A is selected from sufluoxime, and B component is selected from nicotinic insecticide Imidacloprid, Acetamiprid, Nitenpyram, thiophene worm piperazine, thiophene worm quinoline, thiophene worm amine, the MTI-446 one of any.
One of technical scheme of the present invention, described Pesticidal combination are aqueous emulsion, and the percentage by weight of component is:
The concrete production stage of this aqueous emulsion is: at first former medicine A is added with B, solvent and emulsifier, cosolvent and be in the same place, 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, 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 until reaching the phase inversion point.Promptly can be made into the aqueous emulsion of the present composition.
Two of technical scheme of the present invention, when described Pesticidal combination was microemulsion, the percentage by weight of component was:
The concrete production stage of this microemulsion is: former medicine A, B are dissolved fully with cosolvent, add other compositions such as emulsifier, antifreezing agent stabilizing agent again, evenly mix, add entry at last, can be made into microemulsion after fully stirring.
Three of technical scheme of the present invention, described Pesticidal combination are cream preparation, and the mass percent of component is:
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 effective constituents A, B or C being added in the solvent, and can promptly can be made into the cream preparation of the present composition.
Four of technical scheme of the present invention, described Pesticidal combination are suspending agent, and the percentage by weight of component is:
The concrete production stage of this suspending agent is earlier other auxiliary agents to be mixed, and mixes through high speed shear, adds effective constituents A, B or C, and abrading-ball is 2～3 hours in ball crusher, makes a diameter all below 5mm, promptly can be made into the suspending agent preparation of the present composition.
Five of technical scheme of the present invention, described Pesticidal combination is a wetting powder, the percentage by weight of component is:
The concrete production stage of this wetting powder is: by above-mentioned prescription effective constituents A, B and dispersant, wetting agent and filler are mixed, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, promptly can be made into the wetting powder of the present composition.
Six of technical scheme of the present invention, described Pesticidal combination are water dispersible granules, and the percentage by weight of component is:
The concrete production stage of this water dispersible granules is: by above-mentioned prescription effective constituents A, B 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 after sample analysis, promptly can be made into the water dispersible granules of the present composition.
Emulsifier is alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, alkylphenol polyoxyethylene formaldehyde condensation products, diphenyl phenol polyethenoxy polyformaldehyde condensation product, castor oil ethylene oxide adduct and derivative thereof, for example farming breast 300, farming breast 500, farming breast 600, Nongru-700, agricultural newborn SorplKS, OX2511, NNO, NP series etc., emulsifier can be one or more mixture.
Dispersant has one or several the mixture in lignosulfonates, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene, the fatty alcohol-polyoxyethylene ether.
Wetting agent is one or several the mixture in fatty acid amide N methyl taurine sodium salt, lignosulfonates, alkylphenol polyoxyethylene sulphate, petroleum sodium sulfonate, alkylnaphthalene sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, lignosulfite, the withered powder of tea, the spaonin powder.
Thickener is one or more the mixture in CMC, polyvinyl alcohol, xanthans, gum Arabic, sodium alginate, polyvinylpyrrolidone, bentonite, aluminium-magnesium silicate, the gypsum.
Penetrating agent is one or both the mixture among Laurocapram, the JFC.
Defoamer can be one or more the mixture in organic silicone oil, methyl alcohol, ethanol, the epoxidized soybean oil.
Antifreezing agent is one or more the mixture in ethylene glycol, propane diols, glycerine, polyethylene glycol, the sorbierite.
PH value conditioning agent is one or more the mixture in sodium hydroxide, potassium hydroxide, ammoniacal liquor, hydrochloric acid, acetic acid, phosphoric acid or the citric acid.
Solvent and cosolvent have one or more the mixture in water, methyl alcohol, ethanol, butanols, ethylene glycol, propane diols, glycerine, polyethylene glycol, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide (DMF), the dimethyl sulfoxide (DMSO) (DMSO).
Disintegrant can be one or more the mixture in urea, magnesium chloride, aluminium chloride, sodium chloride, ammonium sulfate, the bentonite.
Carrier is one or more the mixture in kaolin, diatomite, atlapulgite, white carbon black, clay, precipitated calcium carbonate, talcum powder, the montmorillonite.
Indoor biometrics screening and field experiment:
The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) all is a mass ratio.
Determination of activity example 1:
(1) test medicine
The former medicine of 96% sufluoxime, Hunan Chemical Research Institute, the former medicine of 95% Imidacloprid, sea, Qingdao rel medicine company group provides.
Earlier with the former medicine of acetone solution, according to the result of preliminary experiment two an amount of former medicines are made into 5 different proportionings, it is stand-by with acetone each processing to be diluted to 5 series concentration gradients respectively again.The ratio of 5 different proportioning active ingredients with Imidacloprid of sufluoxime was respectively 2: 6; 3: 5; 4: 4; 5: 3; It is stand-by respectively to be diluted to 5 series concentration gradients at 6: 2.
(2) test target
The oranges and tangerines aphid is picked up from oranges and tangerines garden, Jiangxi, and the individual aptery young aphid of the same size of picking is for examination during experiment.
(3) test method
The drop method that adopts NY/T1154.1-2006 to recommend is measured.With micro-dropper solvent clean, regulate dropper to stand-by state.Choose the examination worm of neat and consistent with writing brush and use CO
2Slight anesthesia is placed in the 9cm culture dish, then with micro-dropper medicament is pursued the polypide belly of a drop in the examination worm, and every some drops physic liquor 0.1L contains the contrast that is treated to of corresponding acetone with drop 0.1L.It is normally to cultivate in 65% the culturing room that examination worm behind the drop is transferred to (26 ± 2) ℃, relative moisture respectively.Every processing 4 times repeats, and whenever repeats to try 120 of worms, 480 of every processing examination worms.
(4) data statistics and analysis
Handle back 24h investigation examination worm death condition (judging that for examination worm death standard be gently to sting no autonomic response with pin), write down total borer population and dead borer population.
According to survey data, 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/T1154.7-2006.If contrast lethality＜5% is not proofreaied and correct; The contrast lethality by formula 2 is proofreaied and correct between 5%～20%; Contrast lethality＞20%, test need be reformed.
Logarithm value with drug concentration (mg/L) is independent variable X, is dependent variable Y with the probit 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
50And mixture co-toxicity coefficient, relatively synergy situation.Calculate LC
50Calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (with the sufluoxime is the standard medicament, and its toxicity index is 100):
The LC of the toxicity index of Imidacloprid (TI)=sufluoxime
50The LC of/Imidacloprid
50* 100
The LC of actual toxicity index (ATI)=sufluoxime of M
50The LC of/M
50* 100
TI * P the Imidacloprid of the TI * P sufluoxime+Imidacloprid of theoretical toxicity index (TTI)=sufluoxime of M
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is an Imidacloprid and the mixture of the different proportionings of sufluoxime
The P Imidacloprid is Imidacloprid shared ratio in mixture
The P sufluoxime is sufluoxime shared ratio in mixture
(5) toxicity test result and analysis
Table 1 sufluoxime, Imidacloprid are to the indoor measurement result of oranges and tangerines aphid
As can be seen from Table 1, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: Imidacloprid is that 3: 5 synergistic effect is the most obvious, and co-toxicity coefficient is 165.07.Result of the test shows that Imidacloprid, two kinds of medicaments of sufluoxime all have higher activity to the oranges and tangerines aphid under indoor conditions, and the result of the test of different proportion proportioning shows, in active ingredient ratio sufluoxime: Imidacloprid is 2: 6; 3: 5; 4: 4; 5: 3; When respectively diluting all show stronger synergistic effect at 6: 2, wherein with sufluoxime: Imidacloprid is 3: 5 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 3: 5 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 2:
(1) experiment reagent agent
The former medicine of 96% sufluoxime, Hunan Chemical Research Institute, the former medicine of 99% Acetamiprid, Qingdao KYX Chemical Co., Ltd. provides.
(2) test target
The oranges and tangerines aphid is picked up from oranges and tangerines garden, Jiangxi population, and the individual aptery one-tenth aphid of the same size of picking is for examination during experiment.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 2 sufluoxime, Acetamiprid are to the indoor measurement result of oranges and tangerines aphid
As can be seen from Table 2, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: Acetamiprid is that 4: 11 synergistic effect is the most obvious, and co-toxicity coefficient is 165.21.Result of the test shows, Acetamiprid, two kinds of medicaments of sufluoxime all have higher activity to the oranges and tangerines aphid under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio sufluoxime: Acetamiprid is when diluting respectively, all show stronger synergistic effect, wherein with sufluoxime: Acetamiprid is 4: 11 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 4: 11 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 3:
(1) experiment reagent agent
The former medicine of 96% sufluoxime, Hunan Chemical Research Institute, the former medicine of 95% Nitenpyram, Qingdao KYX Chemical Co., Ltd. provides.
(2) test target
The oranges and tangerines aphid is picked up from oranges and tangerines garden, Jiangxi population, and the individual aptery one-tenth aphid of the same size of picking is for examination during experiment.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 3 sufluoxime, Nitenpyram are to the indoor measurement result of oranges and tangerines aphid
As can be seen from Table 3, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: Nitenpyram is that 3: 5 synergistic effect is the most obvious, and co-toxicity coefficient is 162.28.Result of the test shows, Nitenpyram, two kinds of medicaments of sufluoxime all have higher activity to the oranges and tangerines aphid under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio sufluoxime: Nitenpyram is when diluting respectively, all show stronger synergistic effect, wherein with sufluoxime: Nitenpyram is 3: 5 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 3: 5 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 4:
(1) experiment reagent agent
The former medicine of 96% sufluoxime, Hunan Chemical Research Institute, the former medicine of 98% thiophene worm piperazine, Switzerland is just reaching earlier crop protection Co., Ltd.
(2) test target
Tea lesser leafhopper picks up from the tea hill, Jiangxi, and the individual tea lesser leafhopper larva of the same size of picking is for examination during experiment.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 4 sufluoxime, thiophene worm piperazine are to the indoor measurement result of tea lesser leafhopper
As can be seen from Table 4, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: thiophene worm piperazine is that 5: 11 synergistic effect is the most obvious, and co-toxicity coefficient is 166.23.Result of the test shows, thiophene worm piperazine, two kinds of medicaments of sufluoxime all have higher activity to tea lesser leafhopper under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio sufluoxime: thiophene worm piperazine is when diluting respectively, all show stronger synergistic effect, wherein with sufluoxime: thiophene worm piperazine is 5: 11 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 5: 11 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 5:
(1) experiment reagent agent
The former medicine of 96% sufluoxime, Hunan Chemical Research Institute, the former medicine of 95% thiophene worm amine, SUMITOMO CHEMICAL KCC.
(2) test target
Bemisia tabaci adults picks up from the tomato garden, and the Bemisia tabaci adults that picking quantity equates during experiment is for examination.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 5 sufluoxime, thiophene worm amine are to the indoor measurement result of Bemisia tabaci adults
As can be seen from Table 5, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: thiophene worm amine is that synergistic effect in 7: 18 o'clock is the most obvious, and co-toxicity coefficient is 162.25.Result of the test shows, thiophene worm amine, two kinds of medicaments of sufluoxime all have higher activity to Bemisia tabaci adults under indoor conditions, the result of the test of different proportionings shows, in active ingredient ratio sufluoxime: thiophene worm amine is when diluting respectively, all show stronger synergistic effect, wherein with sufluoxime: thiophene worm amine is 7: 18 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 7: 18 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Field experiment example 1: field trial control oranges and tangerines aphid
(1) test method
Tested on May 7th, 2010 and carry out the reagent spray processing, carry out in oranges and tangerines garden, Gan County, Ganzhou City, Jiangxi Province, test oranges and tangerines garden is on the occasion of the aphid emergence period.The per hectare dosage is to the conventional spraying of water 600kg.Spraying equipment bodyguard WS one 16 type manual sprayers, cone nozzle spraying, operating pressure 0.2～0.4MPa, flow 0.65～0.88L/min.
(2) control time and method
Each is handled and adopts 5 sampling methods of diagonal, and 100 strain mandarin trees are counted in every some sampling 20 strains, investigate the aphid quantity of each sub-district at every turn.Investigation aphid quantity before the dispenser is after the dispenser 1,3,7,10d investigates residual worm amount, calculation correction preventive effect.
(3) drug effect computational methods
Insect population borer population * 100% of living before rate (%)=(borer population of living behind borer population one medicine of living before the medicine)/medicine that goes down
Control efficiency (%)=(CK insect population go down rate one chemicals treatment insect population go down rate)/CK insect population rate * 100% that goes down
(4) poisoning investigation method
Behind medicine 1,3,7,10d observes the mandarin tree growing state, and the range estimation medicament has or not poisoning to the mandarin tree blade.
(5) field control effectiveness test result of the test
Table 6 is handled chemical control oranges and tangerines aphid field control effectiveness test result
As can be seen from Table 6, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to the oranges and tangerines aphid all is better than contrasting medicament behind the medicine, 8% MTI-446+4% sufluoxime, insecticidal effect of 7 days behind medicine is respectively 93.24%, 94.53% and 95.81%, and insecticidal effect increases progressively along with the increase of consumption.According to field range estimation, in the test dose scope, the mandarin tree blade is normal, and each is handled medicament and poisoning phenomenon to mandarin tree all do not occur, illustrates that it is safe to mandarin tree.The suggestion insecticide different with the mechanism of action is used alternatingly to delay the generation of pest resistance to insecticide.
Field experiment example 2: field experiment control cotton tea lesser leafhopper
(1) test method
Test is carried out in the cotton field in Dong Jiuji village, Cangzhou City interchannel county, Hebei province, and experimental field soil fertility is medium, and preceding crop is a wheat.For growing fine before the medication of examination cotton.Test is carried out at tea lesser leafhopper low age nymph occurrence in peak period (June 28), and medication in afternoon 1 time is to water 50kg/hm
2, with the evenly thick spraying of workers and peasants 16 type knapsack hand sprayers, this moment, cotton was in squaring period, 1～3 age nymph account for 90%.Dispenser was fine the same day, 28.7 ℃ of mean temperature of air; 7d does not all have rain behind the medicine, and weather does not have influence substantially to this test.
(2) investigation method
Investigate altogether 4 times, (June 28) investigation insect population radix before the medicine, 1d behind the medicine (June 29), 3d behind the medicine (July 1), 10d (July 8) investigates respectively 1 time behind 7d behind the medicine (July 5) and the medicine.Take every sub-district random sampling 10 strains, every strain branch upper, middle and lower is got 6 leaves altogether, totally 60 leaves, and with the hand leave dual sides of leafing through lightly, the record borer population of living calculates it then and proofreaies and correct preventive effect (hereinafter to be referred as preventive effect).
(3) drug effect computational methods
(4) poisoning investigation method
Behind medicine 1,3,7,10d observes the cotton growth situation, and the range estimation medicament does not all have poisoning to cotton.
(5) field control effectiveness test result of the test
Table 7 is handled chemical control cotton tea lesser leafhopper field control effectiveness test result
As can be seen from Table 7, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to the cotton tea lesser leafhopper all is better than contrasting medicament behind the medicine, 11% thiophene worm piperazine+5% sufluoxime, insecticidal effect of 7 days behind medicine is respectively 93.24%, 94.76% and 96.22%, and insecticidal effect increases progressively along with the increase of consumption.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to cotton all do not occur, illustrates that it is safe to cotton.In process of the test, testing crew finds that it also has favorable effect to insects such as cotten aphid and cotton bollworms, and the suggestion insecticide different with the mechanism of action is used alternatingly to delay the generation of pest resistance to insecticide.
Field experiment result verification several times to sum up, the present invention is with sufluoxime and Imidacloprid, Acetamiprid, Nitenpyram, thiophene worm piperazine, thiophene worm quinoline, thiophene worm amine, one of any in the MTI-446 is two yuan of composite Pesticidal combinations of active ingredient, eliminate aphis anti-, aleyrodid, cabbage caterpillar, the killing vegetable noctuid class, tea tree insect such as tea caterpillar, tea lesser leafhopper, tea chi Qu etc., oranges and tangerines insect leaf miner, the oranges and tangerines aphid, scale insect etc., aspect preventive effect excellences such as thrips insect, to the target crop safety, compare with single agent, Pesticidal combination of the present invention has mechanism of action uniqueness, and consumption is few, and quick-acting is good, the advantage that lasting period is long.So, in research and development of the present invention and popularization the important social meaning is arranged, can produce very big economic benefit, the increasing both production and income of the peasant household of vast cotton growing area, tea district and vegetables main producing region and the protection of local ecotope are had crucial meaning.
Claims (7)
1. new agricultural insecticide composition is characterized in that: this Pesticidal combination be with (A) sufluoxime with (B) be selected from one of any in nicotinoids Imidacloprid, pyridine worm miaow, thiophene worm piperazine, Nitenpyram, thiophene worm quinoline, thiophene worm amine, the MTI-446 be active ingredient carry out two yuan composite.
2. new Pesticidal combination according to claim 1 is characterized in that: the percentage by weight of effective constituents A and B is 1～80: 90～1 in this Pesticidal combination.
3. new Pesticidal combination according to claim 1 is characterized in that: the percentage by weight of effective constituents A and B is 1～50: 60～5 in this Pesticidal combination.
4. new Pesticidal combination according to claim 1 is characterized in that: to account for the percentage of gross mass be 1%-90% to effective constituents A and the B quality in preparation in this Pesticidal combination.
5. according to the described new Pesticidal combination of claim 1, it is characterized in that: effective constituents A and the B gross mass percentage composition in preparation is preferably 5%-65%.
6. according to the described new Pesticidal combination of claim 1, it is characterized in that: the formulation that Pesticidal combination of the present invention can be prepared according to the known method of those skilled in the art of the present technique is aqueous emulsion, microemulsion, missible oil, suspending agent, wetting powder, water dispersible granules.
7. according to the described new Pesticidal combination of claim 1, it is characterized in that: Pesticidal combination of the present invention is mainly used in the insect on fruit tree, vegetables, the tealeaves such as preventing and treating oranges and tangerines.
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| CN2011101266437A CN102239875A (en) | 2011-05-17 | 2011-05-17 | Insecticidal composition containing 1-(3-fluoro-4-chlorphenyl)-2-methylthioethanone-O-(2-hydroxymethyl-3-methyl)aether and partial nicotine compounds |
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| CN2011101266437A CN102239875A (en) | 2011-05-17 | 2011-05-17 | Insecticidal composition containing 1-(3-fluoro-4-chlorphenyl)-2-methylthioethanone-O-(2-hydroxymethyl-3-methyl)aether and partial nicotine compounds |
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| CN104304302A (en) * | 2014-09-30 | 2015-01-28 | 青岛康和食品有限公司 | Efficient pesticide containing flubendiamide, dinotefuran, sulfoxaflor and sulfur fluoride oxime ether |
| CN104304301A (en) * | 2014-09-29 | 2015-01-28 | 青岛康合伟业商贸有限公司 | High-efficiency pesticide containing sulfoxaflor, sulfur fluoride oxime ether, dinotefuran and spirotetramat |
| CN104322545A (en) * | 2014-09-30 | 2015-02-04 | 青岛康合伟业商贸有限公司 | High-efficient pesticide containing thiofluoro oxime ether, sulfoxaflor, dinotefuran and chlorpyrifos |
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