CN102415399B - Composite insecticide composition containing dinotefuran and methyl carbamate and purpose thereof - Google Patents
Composite insecticide composition containing dinotefuran and methyl carbamate and purpose thereof Download PDFInfo
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- CN102415399B CN102415399B CN 201010299849 CN201010299849A CN102415399B CN 102415399 B CN102415399 B CN 102415399B CN 201010299849 CN201010299849 CN 201010299849 CN 201010299849 A CN201010299849 A CN 201010299849A CN 102415399 B CN102415399 B CN 102415399B
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Abstract
The invention discloses a composite insecticide composition containing dinotefuran and methyl carbamate and a purpose thereof. The insecticide composition uses the dinotefuran and the methyl carbamate as major effective ingredients, wherein the weight ratio of the dinotefuran and the methyl carbamate is (0.1 to 80)/(0.5 to 80). The insecticide composition can be used for treating homoptera pests on crops and can be particularly used for preventing and treating rice delphacidae and aphid, a higher synergy effect can be generated, the pest drug resistance is overcome and delayed, the insecticide speed is high, the duration is long, the medication cost is reduced, and the prevention and treatment effect is obviously higher than that obtained by using single agents.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate and uses thereof.
Background technology
MTI-446 (dinotefuran), chemical name: 1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine, white crystal, 107.5 ℃ of fusing points, 94.5～101.5 ℃ of industrial goods, vapour pressure<1.7 * 10-6pa (30 ℃), density 1.33 (25 ℃).Solvability is water 40g/L, is insoluble in cyclohexane, solvent wet goods organic solvent.Structural formula is:
MTI-446 is fool proof to mammal, and its acute oral LD50 is male rat 2450mg/kg, female rats 2275mg/kg; Male mice 2840mg/kg, female mice 2000mg/kg.To rat acute through skin LD50>2000mg/kg (female, hero).Without teratogenesis, carcinogenic and mutagenicity.MTI-446 is also fool proof to aquatile.Ichthyotoxin is tested and is shown, MTI-446 is to carp nm (48h)>1000mg/L, to water flea>1000mg/L; Equally, MTI-446 is also very low to birds toxicity, and to quail acute oral LD50>1000mg/kg., through the honeybee test is learnt, MTI-446 is to honeybee safety, and do not affect honeybee producting honey.This medicament insecticidal spectrum is wide, has remarkable interior sorptivety and thoroughly acts on, and shown very high insecticidal activity at very low dosage.This medicament is fool proof to mammal, birds and aquatile, and crop, without poisoning, be can be used for to numerous crops such as paddy rice, fruit tree, vegetables.
The carbamate insecticide that dimethyl phenyl carbamate has two kinds of isomers to mix, the chemical name of these two kinds of isomers is respectively 3,5-3,5-dimethylphenyl methylamino formic acid esters (being again XMC) and 3,4-3,5-dimethylphenyl methylamino formic acid esters (being again Meobal).Plant hopper, leafhopper are had to strong action of contace poison.Stomach poison function is arranged.Fencing speed is fast, and after general dispenser about 30 minutes, most of insect fell in the water, but the residual phase only has 2-3 days.Its effect is not subject to the impact of temperature, still has at low temperatures good preventive effect.The desinsection wide spectrum is effective to insects such as Homoptera, Lepidoptera and dipteras.
But homoptera pest, particularly rice fulgorid and aphid are under the condition of current long-term prescription, and resistance increases gradually, and the agricultural chemicals single dose descends gradually to the effect of control of insect.The inventor finds after deliberation, but the synergistic complex expanding prevention of agricultural chemicals is composed and the raising preventive effect, not yet finds up to now the Pesticidal combination of relevant MTI-446 and dimethyl phenyl carbamate.
Summary of the invention
The purpose of this invention is to provide a kind of compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate, this Pesticidal combination is the multifunctional insecticide composition of control homoptera pest.
Another object of the present invention is to provide a kind of compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate and prevents and treats the application on the insecticidal materials of resistance homoptera pest in preparation, particularly the application on the insecticidal materials of preparation control rice fulgorid and aphid.
The objective of the invention is to be achieved through the following technical solutions:
A kind of compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate, it is main active ingredient that this Pesticidal combination be take MTI-446 and dimethyl phenyl carbamate, wherein, the weight ratio of MTI-446 and dimethyl phenyl carbamate is 0.1～80: 0.5～80.Be preferably 0.5～50: 2～50, more preferably 0.5～10: 4～30.In this Pesticidal combination, effective ingredient is present in composition with the synergy effective dose.
In the complex composition containing MTI-446 and dimethyl phenyl carbamate of the present invention, the two weight percentage in this Pesticidal combination of MTI-446 and dimethyl phenyl carbamate is 3%～80%.Be preferably 5%～55%, most preferably 10%～40%.
Compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate of the present invention be take MTI-446 and dimethyl phenyl carbamate and is mixed with any one formulation allowed on agricultural chemicals, the preferred emulsion of described formulation, suspending agent, wetting powder, aqueous emulsion, microemulsion and water dispersion granule as main active ingredient and insecticides adjuvant and excipient.
Auxiliary agent can adopt calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, the rare block compound of polyoxyethylene polyoxy third (as agriculture breast 33
#), the medium conventional auxiliary agent of polyoxyethylene nonylphenol ether, excipient comprises the conventional excipients such as isopropyl alcohol, vegetable oil, solvent naphtha, water, antifreezing agent (as propane diols), deionized water.Above auxiliary agent, excipient can alone or mixing uses.
The homoptera pest that Pesticidal combination of the present invention easily produces resistance to rice fulgorid and aphid etc. has good preventive effect; And the inhibition insect is to the pesticide resistance generation of unitary agent (MTI-446 or dimethyl phenyl carbamate are arbitrary).
The above-mentioned compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate can be prevented and treated in resistance homoptera pest insecticidal materials and apply in preparation, especially in preparation control aleyrodid, rice fulgorid and aphid insecticidal materials, applies.
Beneficial effect of the present invention compared with prior art: compare with single dose, said composition antagonism homoptera pest has obvious synergistic function as rice fulgorid, aphid etc., overcomes and has delayed pest resistance to insecticide, and expanding prevention is composed, desinsection speed is fast, has obviously improved control efficiency; Reduce control recruitment, drug cost; Alternative high-toxic pesticide; Have concurrently quick-acting and long-acting; Compare with the dimethyl phenyl carbamate single dose with MTI-446, produce and the use cost reduction; Suppress the resistance enhancing of homoptera pest to agricultural chemicals, its successful is used higher than its single dose.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1:
Taking MTI-446, dimethyl phenyl carbamate adopts the conventional formulation method to be mixed with by different proportion the MTI-446 dimethyl phenyl carbamate missible oil that main active ingredient weight percentage is 30%.The contrast medicament is respectively 30% MTI-446 missible oil and 30% dimethyl phenyl carbamate missible oil.Concrete ratio is in Table 1,2.
Adopt rice stem infusion process to carry out indoor synergy biologicall test, selecting the resistant rice plant hopper is target pest, and every processing repeats 3 times, and every concentration is processed 60, calculates toxicity regression equation and the lethal concentration of 50 LC of each medicament antagonism rice fulgorid by probability value method
50, use LC
50value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient, the results are shown in Table 1:
The toxicity test of the composite and single dose antagonism rice fulgorid of table 1 MTI-446 and dimethyl phenyl carbamate
As shown in Table 1, MTI-446 and dimethyl phenyl carbamate are composite, and co-toxicity coefficient all is greater than 120, show good synergistic function.Mixed synergies maximum when the ratio of MTI-446 and dimethyl phenyl carbamate is 1: 1 wherein, co-toxicity coefficient is 186.25.
Employing is soaked the leaf dip method and is carried out indoor synergy biologicall test, and selecting the resistance wheat aphid is target pest, and every processing repeats 3 times, calculates toxicity regression equation and the lethal concentration of 50 LC of each medicament antagonism rice fulgorid by probability value method
50, use LC
50value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient, the results are shown in Table 2:
The toxicity test of the composite and single dose antagonism wheat aphid of table 2 MTI-446 and dimethyl phenyl carbamate
As shown in Table 2, MTI-446 and dimethyl phenyl carbamate are composite, and the co-toxicity coefficient of wheat aphid all is greater than to 120, show good synergistic function.Mixed synergies maximum when the ratio of MTI-446 and dimethyl phenyl carbamate is 1: 1 wherein, co-toxicity coefficient is 176.50.
Embodiment 2:
Take 5g MTI-446,50g dimethyl phenyl carbamate, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33
#(alkylaryl polyoxyethylene polyoxypropylene ether) 2g, alkylphenol polyoxyethylene 1g, vegetable oil 13g, add water to 100g.The method of above raw material being prepared routinely to aqueous emulsion drops into the mixing of mixing kettle high speed, forms the MTI-446 dimethyl phenyl carbamate aqueous emulsion that main active ingredient weight percentage is 55%.
Embodiment 3:
Take 10g MTI-446,10g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33
#(alkylaryl polyoxyethylene polyoxypropylene ether) 2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, add water to 100g.The method that above raw material is prepared to microemulsion routinely drops in mixing kettle mixes, and forming main active ingredient weight percentage is 20% MTI-446 dimethyl phenyl carbamate microemulsion.
Embodiment 3 is prevented and treated to the Brown Planthopper test of pesticide effectiveness, the contrast medicament is 20% dimethyl phenyl carbamate EC (missible oil) and 20% MTI-446 EW (aqueous emulsion), extension rate according to 3 li of forms is diluted, after dilution, every mu of ground sprays 30 kilograms of liquids, after medicine, look into 3 days, the result of 7 days, result is in Table 3:
Table 3: the composite field test results to Brown Planthopper of MTI-446-dimethyl phenyl carbamate
The field efficacy result shows, MTI-446 dimethyl phenyl carbamate composition antagonism brown planthopper has good control efficiency, and control efficiency all is better than the single dose kind.
Embodiment 3 is prevented and treated to the wheat aphid field medicine effect test, the contrast medicament is 20% dimethyl phenyl carbamate EC (missible oil) and 20% MTI-446 EW (aqueous emulsion), extension rate according to 3 li of forms is diluted, the consumption medication of after dilution, pressing 30Kg/ mu, after medicine, look into 3 days, the result of 7 days, result is in Table 4:
Table 4: the composite field test results to wheat aphid of MTI-446 dimethyl phenyl carbamate
The field efficacy result shows, MTI-446 dimethyl phenyl carbamate composition antagonism wheat aphid has good control efficiency, and control efficiency all is better than the single dose kind.
Embodiment 4: take 5g MTI-446,1g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, vegetable oil to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that main active ingredient weight percentage is 6%.
Embodiment 5: take 50g MTI-446,20g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, solvent naphtha are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that main active ingredient weight percentage is 70%.
Embodiment 6: take 2g MTI-446,40g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, solvent naphtha are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that main active ingredient weight percentage is 42%.
Embodiment 7: take 0.2g MTI-446,50g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 9g, phenethyl phenol polyethenoxy ether 8g, vegetable oil are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that the main active ingredient weight percentage of preparation is 50.2%.
Embodiment 8: take 5g MTI-446,0.5g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, vegetable oil are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that the main active ingredient weight percentage of preparation is 5.5%.
Embodiment 9: take 5g MTI-446,30g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, vegetable oil are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that main active ingredient weight percentage is 35%.
Embodiment 10: take 20g MTI-446,5g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 7g, phenethyl phenol polyethenoxy ether 9g, vegetable oil are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that the main active ingredient weight percentage of preparation is 25%.
Embodiment 11: take 30g MTI-446,12g dimethyl phenyl carbamate, sodium lignin sulfonate 2g, polyoxyethylene poly-oxygen propylene aether and sulphate 4g thereof, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, water complements to 100g, and forming main active ingredient weight percentage under the effect of sand mill is 42% MTI-446 dimethyl phenyl carbamate suspending agent.
Embodiment 12: take 2g MTI-446,5g dimethyl phenyl carbamate, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, diatomite 21g, form by the water dispersible granular agent method MTI-446 dimethyl phenyl carbamate water dispersion granule that main active ingredient weight percentage is 14% by above raw material.
Embodiment 13: take 50g MTI-446,3g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, vegetable oil are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that main active ingredient weight percentage is 53%.
Embodiment 14: take 2g MTI-446,18g dimethyl phenyl carbamate, sodium lignin sulfonate 10g, Negel 2g, with diatomite, add to 100g, above raw material is mixed in micronizer, form the MTI-446 dimethyl phenyl carbamate wetting powder that main active ingredient weight percentage is 20%.
Embodiment 15: take 7g MTI-446,70g dimethyl phenyl carbamate, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, solvent naphtha are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and forms the MTI-446 dimethyl phenyl carbamate missible oil that the main active ingredient weight percentage of preparation is 77%.
Embodiment 16: take 60g MTI-446,5g dimethyl phenyl carbamate, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 13g, form by the water dispersible granular agent method MTI-446 dimethyl phenyl carbamate water dispersible granules that main active ingredient weight percentage is 65% by above raw material.
Claims (6)
1. the compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate, is characterized in that it is active ingredient that this Pesticidal combination be take MTI-446 and dimethyl phenyl carbamate, and wherein, the weight ratio of MTI-446 and dimethyl phenyl carbamate is 10:1,5:1 or 2.5:1.
2. the compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate according to claim 1, is characterized in that the two weight percentage in this compound pesticide compositions of MTI-446 and dimethyl phenyl carbamate is 3% ~ 80%.
3. the compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate according to claim 2, is characterized in that the two weight percentage in this compound pesticide compositions of MTI-446 and dimethyl phenyl carbamate is 5% ~ 55%.
4. the compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate according to claim 1, is characterized in that this compound pesticide compositions take MTI-446 and dimethyl phenyl carbamate and make missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule as active ingredient and insecticides adjuvant.
5. the compound pesticide compositions containing MTI-446 and dimethyl phenyl carbamate claimed in claim 1 is prevented and treated the application on the insecticidal materials of resistance homoptera pest in preparation.
6. application according to claim 5, is characterized in that described resistance homoptera pest is aphid, aleyrodid or plant hopper.
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| US5434181A (en) * | 1993-10-26 | 1995-07-18 | Mitsui Toatsu Chemicals, Inc. | Furanyl insecticide |
| DE10207241A1 (en) * | 2002-02-21 | 2003-09-04 | Bayer Cropscience Ag | Synergistic insecticidal mixtures |
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