CN103583547A - Insecticidal composition containing flonicamid and cyfluthrin - Google Patents
Insecticidal composition containing flonicamid and cyfluthrin Download PDFInfo
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- CN103583547A CN103583547A CN201310480209.8A CN201310480209A CN103583547A CN 103583547 A CN103583547 A CN 103583547A CN 201310480209 A CN201310480209 A CN 201310480209A CN 103583547 A CN103583547 A CN 103583547A
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- Prior art keywords
- flonicamid
- cyfloxylate
- pesticidal combination
- insecticidal composition
- cyfluthrin
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Abstract
The invention discloses an insecticidal composition containing flonicamid and cyfluthrin. The insecticidal composition comprises a first active ingredient flonicamid, a second active ingredient cyfluthrin and common auxiliary components, wherein the weight ratio of flonicamid to cyfluthrin in the insecticidal composition is (20:1)-(1:20). A large number of indoor and outdoor tests indicate that the insecticidal composition has an obvious synergistic effect and realizes a relatively good prevention effect on the homoptera pests and lepidoptera pests on crops; meanwhile, the application amount of pesticides is reduced, pesticide residues on the crops are lowered, the environmental pollution is reduced, and the generation of drug resistance of the pests is delayed.
Description
Technical field
The present invention relates to agricultural insecticide composition and application thereof, specifically take flonicamid and cyfloxylate as the composite binary complex of active ingredient, be applied to the control of homoptera pest and lepidoptera pest on crops.
Background technology
The pesticide resistance problem of pest is a global problem, is the emphasis problem that agricultural science and technology worker pays close attention to always.Along with the continuity year in year out of Chemical Control of Harmful Insects,, the increase of agricultural chemicals usage amount and non-science are used the factors such as agricultural chemicals, cause pest resistance day by day serious, the pest species that produces resistance is on the increase.Meanwhile, high-intensity use agricultural chemicals, has caused that Practice for Pesticide Residue in Agricultural Products exceeds standard, the series of problems such as contaminated environment and the increase of peasant's drug cost, is unfavorable for agriculture sustainable development.
Therefore, development is efficient, low toxicity, low-residual, the different mechanism of action, has again the complex preparation of synergistic function simultaneously, not only contribute to delay the generation of pest resistance to insecticide, but also can extend the service life of pesticide species, reduce using dosage, cost-saving, reduce the pollution to environment.
Flonicamid (flonicamid): be a kind of novel low toxicity picolinamide insecticides, have and tag and stomach poison function.The suckings pest such as aphid take food after the water sucking with flonicamid, can be stoped and inhale juice rapidly, do not have within an hour excreta to occur completely, and finally, because of hungry dead, drug effect is slower.It can be from root to stem, the infiltration of leaf portion, but by leaf portion to stem, root osmosis relatively a little less than.It has high safety to people, animal, environment.
Cyfloxylate (cyfluthrin): belong to pyrethroid insecticides, have and tag and stomach poison function.Insecticidal spectrum is wide, knock down rapidly, activity is high, the lasting period is long, can effectively prevent and treat coleoptera, Semiptera, Homoptera and lepidoptera pest on cereal crop, cotton, fruit tree and vegetables, as insects such as cotton bollworm, anthonomus grandis, Lay white butterfly, looper, the stupid moth of apple, cabbage caterpillar, America mythimna separata, colorado potato beetle, aphid, corn borer, cutworms.
The inventor conducts in-depth research the compounded formula screening of flonicamid and cyfloxylate, find that flonicamid and cyfloxylate carry out composite, within the scope of certain compound proportion, there is obvious synergistic function, in actual use, homoptera pest on crops and lepidoptera pest are all had to good control efficiency, after further study, completed the present invention.
Through retrieval, at present do not find flonicamid and cyfloxylate is composite and the document of application.
Summary of the invention
The object of the present invention is to provide a kind of Pesticidal combination containing flonicamid and cyfloxylate, this complex composition has obvious synergistic function, is applied to the control of homoptera pest and lepidoptera pest on crops.
Another object of the present invention is to the Pesticidal combination containing flonicamid and cyfloxylate, in use can reduce dosage, reduced the residual quantity of agricultural chemicals on crops, delay the generation of pest resistance to insecticide; Can also make it to the control efficiency of various insects, than single dose, use and compare obvious raising separately, laborsaving, economical, reduce farmer's burdens.
Technical scheme of the present invention: a kind of Pesticidal combination containing flonicamid and cyfloxylate, take flonicamid and cyfloxylate as active ingredient, flonicamid and the cyfloxylate weight ratio in Pesticidal combination is 20:1～1:20, and all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
Composition pesticide of the present invention is prepared into any one formulation of using in applicable agricultural production by known method, reasonable formulation has suspending agent, aqueous emulsion, microemulsion, water dispersible granules and wetting powder.
The auxiliary element using in the present composition comprises that solvent, emulsifier, wetting agent, disintegrant, stabilizing agent, dispersant, thickener, penetrating agent, pH adjusting agent, defoamer, antifreezing agent, carrier etc. are of value to active ingredient and in preparation, stablize and bring into play the known substance of drug effect, be all various compositions conventional in pesticidal preparations or that allow to use, concrete composition and consumption require to determine by test according to formula.
The frequency of administration of the present composition and amount of application have small variations with crops, insect, weather condition variation, can be by using suitable dosage to reach the object of effective control.
Compared with prior art, the invention has the advantages that:
1, flonicamid and cyfloxylate are composite has a synergistic function, than the independent use of single dose, has obviously improved the control efficiency to insect;
2, flonicamid and cyfloxylate have respectively the different mechanism of action, can delay the generation of pest resistance to insecticide;
3, two kinds of active ingredients of flonicamid and cyfloxylate are composite, reduced agricultural chemicals usage amount, reduced use cost and the pollution to environment.
Embodiment
In order to understand better essence of the present invention, below in conjunction with embodiment, content of the present invention is described further, but can not be considered as limitation of the present invention.
(1) formulation embodiment.
In following each embodiment, effective constituents A adopts the former medicine of 96% flonicamid, and active ingredient B adopts the former medicine of 92% cyfloxylate, and each component percentage composition is weight percentage.
Embodiment 1: described Pesticidal combination is suspending agent, and each component percentage composition is respectively:
Concrete operation step is: first other auxiliary agent is mixed, in clipper, shear-mixed is even, then adds effective constituents A and B, grinds 2-3h in ball crusher, makes a diameter all below 5mm, can make Pesticidal combination suspending agent preparation of the present invention.
Embodiment 2: described Pesticidal combination is aqueous emulsion, and each component percentage composition is respectively:
Concrete operation step is: first effective constituents A and B, solvent, emulsifier are mixed, dissolve and become uniform oil phase.Again part water and other auxiliary agents are mixed, dissolve and become uniform water.Then when reactor high speed stirs, oil phase is added to water, slowly add water to and reach phase inversion point, carry out afterwards high speed shear, and add remaining water, shear about 30min, can make Pesticidal combination aqueous emulsion preparation of the present invention.
Embodiment 3: described Pesticidal combination is microemulsion, and each component percentage composition is respectively:
Concrete operation step is: effective constituents A and B are dissolved completely with solvent and cosolvent, and then add other auxiliary agent, mix, finally add water, after fully stirring, can make Pesticidal combination microemulsion formulation of the present invention.Embodiment 4: described Pesticidal combination is wetting powder, and each component percentage composition is respectively:
Concrete operation step is: effective constituents A and B, other auxiliary agent and filler are mixed, in stirred tank, fully stir, after airslide disintegrating mill is pulverized, mix, can make Pesticidal combination wettable powder agent formulation of the present invention.
Embodiment 5: described Pesticidal combination is water dispersible granules, and each component percentage composition is respectively:
Concrete operation step is: effective constituents A and B, other auxiliary agent and filler are mixed, with micro jet, pulverize, after mediating, add and in fluidized bed prilling dryer, carry out, after granulation, dry, screening, can making Pesticidal combination water-dispersible grain agent formulation of the present invention.
In above formulation, auxiliary agent is selected from the following stated:
Solvent can be one or more the mixing in water, methyl alcohol, ethanol, butanols, propane diols, glycerine, polyethylene glycol, cyclohexanone, pyrrolidones, ethyl acetate, machine oil, solvent naphtha.
Emulsifier can be one or more the mixing in alkylphenol polyoxyethylene formaldehyde condensation products, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, diphenyl phenol polyethenoxy polyoxy formaldehyde condensation products, agriculture breast 300#, agriculture breast 500#, agriculture breast 600#, Nongru-700 #, agriculture breast 0201B, agriculture breast 0203B, NNO, NP etc.
Wetting agent can be one or more the mixing in aerosol-OT salt, sodium butylnaphthalenesulfonate, fatty acid amide N methyl taurine sodium salt, lignosulfonates, alkylphenol polyoxyethylene phosphate, petroleum sodium sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, phosphorous acid spent pulping liquor, the withered powder of tea, spaonin powder, soapberry powder etc.
Disintegrant can be one or more the mixing in sodium bicarbonate, magnesium chloride, aluminium chloride, sodium chloride, urea, ammonium sulfate, bentonite etc.
Dispersant can be one or more the mixing in sodium methylene bis-naphthalene sulfonate, sodium lignin sulfonate, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether etc.
Thickener can be one or more the mixing in polyvinyl alcohol, polyvinyl acetate, xanthans, gelatin, gum Arabic, polyvinylpyrrolidone, aluminium-magnesium silicate, phenolic resins, CMC, sodium alginate etc.
PH adjusting agent can be one or more the mixing in potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, phosphoric acid etc.
Stabilizing agent can BHT, one or more the mixing in xylitol, mannitol, pentaerythrite, triphenyl phosphite, sodium citrate etc.
Defoamer can be one or more the mixing in epoxidized soybean oil, methyl alcohol, silicone oil etc.
Antifreezing agent can be one or more mixing in glycerine, propane diols, diethylene glycol (DEG), urea etc.
Carrier can be one or more the mixing in precipitated calcium carbonate, potter's clay, kaolin, diatomite, bentonite, white carbon, clay, talcum powder, quartz sand etc.
(2) the indoor biological activity determination of the present composition and field efficacy checking.
1, flonicamid and the cyfloxylate indoor joint toxicity measuring to cabbage aphid.
For examination worm: indoorly for many generations raise healthy cabbage aphid nymph.
Reagent agent: the former medicine of 96% flonicamid and the former medicine of 92% cyfloxylate.
Test method: adopt polypide drop method to measure, specific as follows.
First with solvent, micro intravenous drip device is cleaned, regulate dropper to stand-by state.Then with writing brush, choose the examination worm CO of neat and consistent
2slight anesthesia is placed in 9cm culture dish, then with micro intravenous drip device by standby liquid by a drop in the polypide belly of examination worm, every some drops physic liquor 0.1 μ L, the contrast that is treated to that contains corresponding acetone with drop 0.1 μ L.Finally the examination worm after drop is transferred to respectively in the incubator that (28 ± 1 ℃) relative moisture is 75% and is normally cultivated.4 repetitions are established in every processing, 20 examination worms of every repetition.24h investigation examination worm death condition after processing (pin of take gently sting examination worm without autonomic response the standard as the death of judgement examination worm), records dead borer population and total borer population.
With DPS statistical analysis software, carry out statistical analysis, calculate the LC of each medicament
50, and according to the co-toxicity coefficient (CTC value) of the abundant method calculating of Sun Yun mixture
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] * 100
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
As can be seen from Table 1, flonicamid and cyfloxylate are at 20:1～1:20(by weight) scope in when composite, co-toxicity coefficient (CTC) is all greater than 120, wild cabbage diamond-back moth is shown to synergistic function, especially at 5:1～1:5(by weight in scope), synergistic function is more obvious, and co-toxicity coefficient (CTC) is all more than 160, and visible flonicamid and cyfloxylate be composite has reasonability and feasibility.
Table 1, flonicamid and the cyfloxylate indoor joint toxicity measuring to cabbage aphid.
2, the composite field control effectiveness test to cabbage aphid of flonicamid and cyfloxylate.
This embodiment is used for preventing and treating cabbage aphid, investigation insect population radix before dispenser, and after medicine, 3d, 7d, 14d investigate respectively residual borer population alive, and investigation Shi Mei community is undertaken by diagonal 5 point samplings, and every residual aphid of looking on 2 strain wild cabbages is recorded the borer population of living, and calculates preventive effect.Preventive effect computational methods are as follows:
Preventive effect (%)=(1-CK
1* Pt
1/ CK
2* Pt
2) * 100.
Wherein: CK
1represent the front insect population number of check plot medicine; Pt
1represent insect population number after treatment region medicine;
CK
2represent insect population number after the medicine of check plot; Pt
2represent the front insect population number for the treatment of region medicine.
Table 3, respectively process the result of the test of chemical control cabbage aphid.
When 10% flonicamid cyfloxylate suspending agent preparation mu consumption is 20-25g as can be seen from Table 3, after medicine, 3d, 7d, 14d are all better than each single dose to the preventive effect of wild cabbage diamond-back moth and use separately, after medicine, 14d preventive effect all still reaches more than 80% simultaneously, illustrates that this compound drug has good lasting effect.In pilot survey process, do not find that this compound drug produces poisoning to wild cabbage.
In sum, it is the complex composition of flonicamid and cyfloxylate that the present invention adopts two kinds of active components, has synergistic function.Compare with existing unitary agent, insecticidal effect obviously improves, and the lasting period is long, to crop safety, is worth applying in agricultural production.
Claims (4)
1. containing the Pesticidal combination of flonicamid and cyfloxylate, it is characterized in that: active ingredient is flonicamid and cyfloxylate, flonicamid and the cyfloxylate weight ratio in Pesticidal combination is 20:1～1:20.
2. the Pesticidal combination containing flonicamid and cyfloxylate according to claim 1, is characterized in that: in described Pesticidal combination, also contain the auxiliary element that pesticidal preparations is conventional, to make the formulation products that is adapted at using in agricultural production.
3. the Pesticidal combination containing flonicamid and cyfloxylate according to claim 1, is characterized in that: the formulation of described Pesticidal combination can be a kind of in suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
4. the Pesticidal combination containing flonicamid and cyfloxylate according to claim 1, is characterized in that: be applicable to the control of homoptera pest and lepidoptera pest on crops.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310480209.8A CN103583547A (en) | 2013-10-14 | 2013-10-14 | Insecticidal composition containing flonicamid and cyfluthrin |
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|---|---|---|---|
| CN201310480209.8A CN103583547A (en) | 2013-10-14 | 2013-10-14 | Insecticidal composition containing flonicamid and cyfluthrin |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| CN101700036A (en) * | 2009-08-01 | 2010-05-05 | 深圳诺普信农化股份有限公司 | Pesticide composition and application thereof |
| CN103053597A (en) * | 2011-10-20 | 2013-04-24 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing cis-cypermethrin and flonicamid and application thereof |
-
2013
- 2013-10-14 CN CN201310480209.8A patent/CN103583547A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| CN101700036A (en) * | 2009-08-01 | 2010-05-05 | 深圳诺普信农化股份有限公司 | Pesticide composition and application thereof |
| CN103053597A (en) * | 2011-10-20 | 2013-04-24 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing cis-cypermethrin and flonicamid and application thereof |
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Application publication date: 20140219 |
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