CN103583548A - Insecticidal composition containing methoxyfenozide and efficient cyfluthrin - Google Patents
Insecticidal composition containing methoxyfenozide and efficient cyfluthrin Download PDFInfo
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- CN103583548A CN103583548A CN201310480211.5A CN201310480211A CN103583548A CN 103583548 A CN103583548 A CN 103583548A CN 201310480211 A CN201310480211 A CN 201310480211A CN 103583548 A CN103583548 A CN 103583548A
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- methoxyfenozide
- betacyfluthrin
- pesticidal combination
- insecticidal composition
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Abstract
The invention discloses an insecticidal composition containing methoxyfenozide and efficient cyfluthrin. The insecticidal composition comprises a first active ingredient methoxyfenozide, a second active ingredient efficient cyfluthrin and common auxiliary components, wherein the weight ratio of methoxyfenozide to efficient cyfluthrin in the insecticidal composition is (40:1)-(1:40). 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 lepidoptera pests on crops such as rice-stem borer, tryporyza incertulas, rice leaf roller, cotton bollworm, apple skin worm, vegetable prodenia litura, beet armyworm, plutella xylostella, cabbage caterpillar and the like; meanwhile, in practical application, 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 the Pesticidal combination that methoxyfenozide and betacyfluthrin be active ingredient, be applied to the control of 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, the different mechanism of action, have again the composite product of synergistic function simultaneously, not only contributes to delay the generation of pest resistance to insecticide, but also can extend service life of pesticide species, reduce using dosage, cost-saving, reduce the pollution to environment.
Methoxyfenozide (methoxyfenozide): belonging to bishydrazide insecticide, is a kind of insect growth regulator, IGR.Insect takes food after medicament, produces the reaction of casting off a skin and starts to cast off a skin, and causes larva dehydration, hungry and dead owing to not casting off a skin completely.Be mainly used in preventing and treating the larva of lepidoptera pest, as beet armyworm, prodenia litura, cabbage caterpillar, cotton bollworm, apple leaf miner, fall webworm, pine caterpillars, looper and the snout moth's larva of rice etc.
Betacyfluthrin (beta-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 be used for the control of lepidoptera pest on paddy rice, cotton, fruit tree and vegetables.Simultaneously also can control of grubs, the soil insect such as mole cricket, wireworm and cutworm.
The inventor conducts in-depth research the compounded formula screening of methoxyfenozide and betacyfluthrin, find that methoxyfenozide and betacyfluthrin carry out composite, within the scope of certain compound proportion, there is obvious synergistic function, in actual use, lepidoptera pest on crops is had to good control efficiency, after further study, completed the present invention.
Through retrieval, at present do not find methoxyfenozide and betacyfluthrin 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 methoxyfenozide and betacyfluthrin, this complex composition has obvious synergistic function, is applied to the control of lepidoptera pest rice-stem borer on crops, paddy stem borer, rice leaf roller, cotton cotton bollworm, apple skin worm, vegetables prodenia litura, beet armyworm, diamond-back moth, cabbage caterpillar.
Another object of the present invention is to the Pesticidal combination containing methoxyfenozide and betacyfluthrin, in use can reduce dosage, reduce 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 insect, 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 methoxyfenozide and betacyfluthrin, take methoxyfenozide and betacyfluthrin as active ingredient, methoxyfenozide and the betacyfluthrin weight ratio in Pesticidal combination is 40:1～1:10, 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, methoxyfenozide and betacyfluthrin are composite has a synergistic function, than the independent use of single dose, has obviously improved the control efficiency to insect;
2, methoxyfenozide and betacyfluthrin have respectively the different mechanism of action, can delay the generation of pest resistance to insecticide;
3, two kinds of active ingredients of methoxyfenozide and betacyfluthrin 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 98.5% methoxyfenozide, and active ingredient B adopts the former medicine of 95% betacyfluthrin, 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, lignosulfonates, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, 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, polycarboxylate, 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 to be selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10the mixing of one or more of fatty alcohol.
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, methoxyfenozide and the betacyfluthrin indoor joint toxicity measuring to diamond-back moth.
For trying worm: the indoor Individual Size diamond-back moth third-instar larvae consistent with physiological status of for many generations raising.
Reagent agent: the former medicine of 98.5% methoxyfenozide and the former medicine of 95% betacyfluthrin.
Test method: adopt the malicious blade method of folder, with reference to the agricultural industry criteria NY/T1154.2-2006 > > of the < < People's Republic of China (PRC), concrete grammar is as follows.
First with the card punch of diameter 1cm, beat and get leaf butterfly, put into culture dish, moisturizing.Then with capillary dropper by each treatment agent from low concentration, every leaf butterfly drop 1 μ L liquid, after solvent evaporates and another sheet involutory making of leaf butterfly of scribbling gelatinized corn starch press from both sides malicious leaf butterfly, make in the hole of the complete 12Kong of being put in tissue culturing plate.In each hole of last tissue culturing plate, connect 1 examination worm, in the intelligent insectary that to be placed in 26 ± 1 ℃ of temperature, relative moisture be 70%.Connect worm after 2～4 hours, wait trying worm, taken food after pastille leaf butterfly, in cultivating plate hole, add clean feed to continue to raise to investigation, eliminate the examination worm that has not eaten a complete leaf butterfly.4 repetitions are established in every processing, often repeat to be no less than 12 malicious leaf butterflies of folder, and establish not containing the processing of the corresponding organic solvent of medicament in contrast.After processing, 24h investigation examination worm death condition, records total borer population and dead borer population.
With DPS statistical analysis software, carry out statistical analysis, calculate the LC of each medicament
50, and according to co-toxicity coefficient (the 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.
Table 1, methoxyfenozide and the betacyfluthrin indoor joint toxicity measuring to diamond-back moth.
As can be seen from Table 1, methoxyfenozide and betacyfluthrin are at 40:1～1:10(by weight) scope in when composite, co-toxicity coefficient (CTC) is all greater than 120, illustrates diamond-back moth is shown to synergistic function.Visible methoxyfenozide and betacyfluthrin be composite has reasonability and feasibility.
2, methoxyfenozide and the betacyfluthrin indoor joint toxicity measuring to cotton bollworm.
For trying worm: the indoor Individual Size cotton bollworm third-instar larvae consistent with physiological status of for many generations raising.
Reagent agent: the former medicine of 98.5% methoxyfenozide and the former medicine of 95% betacyfluthrin.
Test method: adopt drop method to measure, with reference to the agricultural industry criteria NY/T1154.1-2006 > > of the < < People's Republic of China (PRC), concrete grammar is as follows.
First by micro intravenous drip device solvent clean, regulate dropper to stand-by state.Then with writing brush, choose the examination worm CO of neat and consistent
2slight paralysis is placed in 9cm culture dish, finally with micro intravenous drip device, medicament is dripped to the belly of polypide by head, every some drops physic liquor 0.5 μ L, the corresponding acetone containing with drop 0.5 μ L be treated to contrast, the examination worm after drop is placed in the intelligent insectary that 28 ± 1 ℃ of temperature, relative moisture are 70%.Every processing repeats for 4 times, 20 examination worms of every repetition.After processing, 24h investigation examination worm death condition, records total borer population and dead borer population.
With DPS statistical analysis software, carry out statistical analysis, calculate the LC of each medicament
50, and according to co-toxicity coefficient (the 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.
Table 2, methoxyfenozide and the betacyfluthrin indoor joint toxicity measuring to cotton bollworm.
As can be seen from Table 2, methoxyfenozide and betacyfluthrin are at 40:1～1:10(by weight) scope in when composite, co-toxicity coefficient (CTC) is all greater than 120, illustrates cotton bollworm is shown to synergistic function.Visible methoxyfenozide and betacyfluthrin be composite has reasonability and feasibility.
3, the composite field control effectiveness test to wild cabbage diamond-back moth of methoxyfenozide and betacyfluthrin.
This embodiment is used for preventing and treating wild cabbage diamond-back moth, investigation insect population radix before dispenser, and after medicine, 3d, 7d, 10d investigate respectively residual borer population alive, investigation Shi Mei community is undertaken by diagonal 5 point samplings, look into residual diamondback moth larvae on 2 strain wild cabbages at every, record the borer population of living, calculate control efficiency.Control efficiency computational methods are as follows:
Control efficiency (%)=(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 wild cabbage diamond-back moth.
As can be seen from Table 3,20% methoxyfenozide betacyfluthrin suspending agent is along with the increase of using dosage obviously promotes the control efficiency of wild cabbage diamond-back moth; When preparation mu consumption is 15-20 gram, after medicine, 3d, 7d, 10d are all obviously better than each single dose to the preventive effect of wild cabbage diamond-back moth and use separately, after medicine, 10d preventive effect all still reaches more than 85% simultaneously, illustrate that this compound drug has good lasting effect, in pilot survey process, do not find that this compound drug produces poisoning to wild cabbage.
4, the composite field control effectiveness test to cotton cotton bollworm of methoxyfenozide and betacyfluthrin.
This embodiment is used for preventing and treating cotton cotton bollworm, investigation insect population radix before dispenser, and after medicine, 3d, 7d, 10d investigate respectively residual borer population alive, investigation Shi Mei community is undertaken by diagonal 5 point samplings, every residual cotton bollworm larvae of looking on 2 strain cottons, records the borer population of living, and calculates control efficiency.Control efficiency computational methods are as follows:
Control efficiency (%)=(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 4, respectively process the result of the test of chemical control cotton cotton bollworm.
As can be seen from Table 4,20% methoxyfenozide betacyfluthrin suspending agent is along with the increase of using dosage obviously promotes the control efficiency of cotton cotton bollworm; When preparation mu consumption is 15-20 gram, after medicine, 3d, 7d, 10d are all obviously better than each single dose to the preventive effect of cotton cotton bollworm and use separately, after medicine, 10d preventive effect all still reaches more than 85% simultaneously, illustrate that this compound drug has good lasting effect, in pilot survey process, do not find that this compound drug produces poisoning to cotton.
In sum, it is the complex composition of methoxyfenozide and betacyfluthrin 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 (5)
1. containing a Pesticidal combination for methoxyfenozide and betacyfluthrin, it is characterized in that: active ingredient is methoxyfenozide and betacyfluthrin, methoxyfenozide and the betacyfluthrin weight ratio in Pesticidal combination is 40:1～1:10.
2. the Pesticidal combination containing methoxyfenozide and betacyfluthrin 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 methoxyfenozide and betacyfluthrin according to claim 1, is characterized in that: the formulation of said composition is a kind of in suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
4. the Pesticidal combination containing methoxyfenozide and betacyfluthrin according to claim 1, is characterized in that: be applicable to prevent and treat lepidoptera pest on crops.
5. the Pesticidal combination containing methoxyfenozide and betacyfluthrin according to claim 4, is characterized in that: described lepidoptera pest is rice-stem borer, paddy stem borer, rice leaf roller, cotton cotton bollworm, apple skin worm, vegetables prodenia litura, beet armyworm, diamond-back moth, cabbage caterpillar.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106070350A (en) * | 2016-08-23 | 2016-11-09 | 赖丰光 | A kind of Pesticidal combination containing Radix Sophorae Flavescentis |
| CN106070345A (en) * | 2016-08-23 | 2016-11-09 | 赖丰光 | A kind of pesticide compositions containing Radix Hyperici Monogyni (Herba Hyperici Monogyni) |
| CN106305800A (en) * | 2016-08-23 | 2017-01-11 | 赖丰光 | Insecticidal composite containing cynanchum komarovii |
| CN106305857A (en) * | 2016-08-23 | 2017-01-11 | 赖丰光 | Insecticidal composite containing reed |
| CN106305816A (en) * | 2016-08-23 | 2017-01-11 | 赖丰光 | Pesticide composite containing aconitum |
| CN106342909A (en) * | 2016-08-23 | 2017-01-25 | 赖丰光 | Insecticide and pesticide composition containing amorpha fruticosa |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106070350A (en) * | 2016-08-23 | 2016-11-09 | 赖丰光 | A kind of Pesticidal combination containing Radix Sophorae Flavescentis |
| CN106070345A (en) * | 2016-08-23 | 2016-11-09 | 赖丰光 | A kind of pesticide compositions containing Radix Hyperici Monogyni (Herba Hyperici Monogyni) |
| CN106305800A (en) * | 2016-08-23 | 2017-01-11 | 赖丰光 | Insecticidal composite containing cynanchum komarovii |
| CN106305857A (en) * | 2016-08-23 | 2017-01-11 | 赖丰光 | Insecticidal composite containing reed |
| CN106305816A (en) * | 2016-08-23 | 2017-01-11 | 赖丰光 | Pesticide composite containing aconitum |
| CN106342909A (en) * | 2016-08-23 | 2017-01-25 | 赖丰光 | Insecticide and pesticide composition containing amorpha fruticosa |
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Application publication date: 20140219 |