CN102415403B - Composite pesticidal composition containing dinotefuran and MTMC and application thereof - Google Patents

Composite pesticidal composition containing dinotefuran and MTMC and application thereof Download PDF

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CN102415403B
CN102415403B CN 201010299885 CN201010299885A CN102415403B CN 102415403 B CN102415403 B CN 102415403B CN 201010299885 CN201010299885 CN 201010299885 CN 201010299885 A CN201010299885 A CN 201010299885A CN 102415403 B CN102415403 B CN 102415403B
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mtmc
tolyl
meta
methylcarbamate
mti
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杨寿海
张爱娟
陈志忠
韦琛鸿
刘小平
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Nanjing Huazhou Pharmaceutical Co Ltd
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Abstract

The invention discloses a composite pesticidal composition containing dinotefuran and MTMC ((meta-tolyl-N-methyl carbamate)) and an application thereof. The pesticidal composition comprises dinotefuran and MTMC as main effective ingredients, wherein, the weight ratio of dinotefuran to MTMC is 0.1-80:0.5-80. The pesticidal composition has high synergism, overcomes and postpones the drug resistance of insects, has rapid insecticidal speed and long persistent period, reduces drug costs, and has better control effect than single-ingredient pesticidal composition. The pesticidal composition can be used for controlling homoptera insects on crops, especially rice hopper and aphid.

Description

A kind of compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) and uses thereof
Technical field
The invention belongs to pesticide field, be specifically related to a kind of compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) 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:
Figure BSA00000293325900011
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.
Meta-tolyl-N-methylcarbamate (MTMC) is a kind of carbamate insecticide.Chemical name is: a tolyl-N-methyl carbamate, and structural formula is:
Figure BSA00000293325900012
Meta-tolyl-N-methylcarbamate (MTMC) has and tags and fumigation action insect, and the power of knocking down is strong, and holding effect is short.Can be used to prevent and treat towering like a mountain peak lice, leafhopper, cotten aphid, thrips, cotton bollworm etc.; Control rice fulgorid, rice leafhopper, rice thrips etc. have special efficacy.To the people, animal moderate toxicity.
But 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, and the synergistic complex of agricultural chemicals is expanding prevention spectrum and the effective measures that improve preventive effect, not yet finds up to now the Pesticidal combination of relevant MTI-446 and meta-tolyl-N-methylcarbamate (MTMC).
Summary of the invention
The purpose of this invention is to provide a kind of compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC), this Pesticidal combination is the multifunctional insecticide composition of control homoptera pest.
Another object of the present invention is to provide this Pesticidal combination 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 plant hopper, aleyrodid or 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 meta-tolyl-N-methylcarbamate (MTMC), it is main active ingredient that this Pesticidal combination be take MTI-446 and meta-tolyl-N-methylcarbamate (MTMC), wherein, the weight ratio of MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) 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 compound pesticide compositions of the present invention, the two weight percentage in this compound pesticide compositions of MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) is 3~80%.Be preferably 5~55%, most preferably 10~40%.
Pesticidal combination of the present invention be take MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) 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 #), polyoxyethylene nonylphenol ether etc., excipient comprises isopropyl alcohol, vegetable oil, solvent naphtha, water, antifreezing agent (as propane diols), deionized water etc.Above auxiliary agent, excipient and other auxiliary material can alone or and use.
The multiple 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 meta-tolyl-N-methylcarbamate (MTMC) are arbitrary).
Above-mentioned Pesticidal combination is prevented and treated the application on the insecticidal materials of resistance homoptera pest in preparation, especially the effect on the insecticidal materials of preparation control aleyrodid, rice fulgorid or aphid is remarkable.
Beneficial effect of the present invention compared with prior art: (1) is compared 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; (2) reduce control recruitment, drug cost; (3) alternative high-toxic pesticide; (4) have concurrently quick-acting and long-acting; (5) compare with the meta-tolyl-N-methylcarbamate (MTMC) single dose with MTI-446, produce and the use cost reduction; (6) 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, meta-tolyl-N-methylcarbamate (MTMC) adopts the conventional formulation method to be mixed with by different proportion the MTI-446 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 30%.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 meta-tolyl-N-methylcarbamate (MTMC)
Figure BSA00000293325900031
As shown in Table 1, MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) are composite, and co-toxicity coefficient all is greater than 120, show good synergistic function.Wherein when MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) in the time of 1: 1 synergistic effect the most obvious.
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 meta-tolyl-N-methylcarbamate (MTMC)
Figure BSA00000293325900032
As shown in Table 2, MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) are composite, and the co-toxicity coefficient of wheat aphid all is greater than to 120, show good synergistic function.Wherein when MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) in the time of 1: 1 synergistic effect the most obvious.
Embodiment 2:
Take 5g MTI-446,50g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) aqueous emulsion that main active ingredient weight percentage is 55%.
Embodiment 3:
Take 2g MTI-446,18g meta-tolyl-N-methylcarbamate (MTMC), calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast (alkylaryl polyoxyethylene polyoxypropylene ether) 33 #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 forms the MTI-446 meta-tolyl-N-methylcarbamate (MTMC) microemulsion that main active ingredient weight percentage is 20%.
Embodiment 3 is prevented and treated to the Brown Planthopper test of pesticide effectiveness, the contrast medicament is 420% meta-tolyl-N-methylcarbamate (MTMC) 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 3:
Table 3: the composite field test results to Brown Planthopper of MTI-446-meta-tolyl-N-methylcarbamate (MTMC)
Figure BSA00000293325900041
The field efficacy result shows, MTI-446 meta-tolyl-N-methylcarbamate (MTMC) composition antagonism brown planthopper has good control efficiency, and control efficiency all is better than the effect that the single dose kind is better than direct each single product of while.
Embodiment 3 is prevented and treated to the wheat aphid field medicine effect test, the contrast medicament is 20% meta-tolyl-N-methylcarbamate (MTMC) 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-meta-tolyl-N-methylcarbamate (MTMC)
Figure BSA00000293325900042
The field efficacy result shows, MTI-446 meta-tolyl-N-methylcarbamate (MTMC) composition antagonism wheat aphid has good control efficiency, and control efficiency all is better than the effect that the single dose kind is better than direct each single product of while.
Embodiment 4:
Take 1g MTI-446,5g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 6%.
Embodiment 5: take 50g MTI-446,20g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 70%.
Embodiment 6: take 2g MTI-446,40g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 42%.
Embodiment 7: take 0.2g MTI-446,50g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 50.2%.
Embodiment 8: take 5g MTI-446,0.5g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 5.5%.
Embodiment 9: take 5g MTI-446,30g meta-tolyl-N-methylcarbamate (MTMC), 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 that main active ingredient weight percentage is 35%-meta-tolyl-N-methylcarbamate (MTMC) missible oil.
Embodiment 10: take 20g MTI-446,5g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 25%.
Embodiment 11: take 30g MTI-446,12g meta-tolyl-N-methylcarbamate (MTMC), 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, forms the MTI-446 meta-tolyl-N-methylcarbamate (MTMC) suspending agent that main active ingredient weight percentage is 42% under the effect of sand mill.
Embodiment 12: take 2g MTI-446,5g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) water dispersion granule that main active ingredient weight percentage is 14% by above raw material.
Embodiment 13: take 50g MTI-446,3g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 53%.
Embodiment 14: take 2g MTI-446,18g meta-tolyl-N-methylcarbamate (MTMC), sodium lignin sulfonate 10g, Negel 2g, with diatomite, add to 100g, above raw material is mixed in micronizer, form the MTI-446 meta-tolyl-N-methylcarbamate (MTMC) wetting powder that main active ingredient weight percentage is 20%.
Embodiment 15: take 7g MTI-446,70g meta-tolyl-N-methylcarbamate (MTMC), 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 meta-tolyl-N-methylcarbamate (MTMC) missible oil that main active ingredient weight percentage is 77%.
Embodiment 16: take 60g MTI-446,5g meta-tolyl-N-methylcarbamate (MTMC), the 8g of wooden sodium sulfonate, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 13g, form by the water dispersible granular agent method MTI-446 Tsumacide water dispersible granule that main active ingredient weight percentage is 65% by above raw material.

Claims (1)

1. the compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC), is characterized in that it is active ingredient that this Pesticidal combination be take MTI-446 and meta-tolyl-N-methylcarbamate (MTMC), and wherein, the weight ratio of MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) is 10:1 ~ 1:1.
2. the compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) according to claim 1, is characterized in that the two weight percentage in this compound pesticide compositions of MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) is 3% ~ 80%.
3. the compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) according to claim 2, is characterized in that the two weight percentage in this compound pesticide compositions of MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) is 5% ~ 55%.
4. the compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) according to claim 1, is characterized in that this compound pesticide compositions take MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) and be mixed with any one formulation allowed on agricultural chemicals as active ingredient and insecticides adjuvant, excipients.
5. the compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) according to claim 4, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule.
6. the compound pesticide compositions containing MTI-446 and meta-tolyl-N-methylcarbamate (MTMC) claimed in claim 1 is prevented and treated the application on the insecticidal materials of resistance homoptera pest in preparation.
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CN101971855B (en) * 2010-11-29 2013-10-09 陕西韦尔奇作物保护有限公司 Synergistic insecticidal composite with dinotefuran

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112556A (en) * 1993-10-26 1995-11-29 三井东压化学株式会社 Furanyl insecticide
CN101588719A (en) * 2007-01-30 2009-11-25 巴斯夫欧洲公司 Pesticide combination based on azoles and pyrimidine radicals amine derivative and insecticide
CN101801196A (en) * 2007-09-21 2010-08-11 拜尔农作物科学股份公司 Active ingredient combinations having insecticidal and acaricidal properties

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112556A (en) * 1993-10-26 1995-11-29 三井东压化学株式会社 Furanyl insecticide
CN101588719A (en) * 2007-01-30 2009-11-25 巴斯夫欧洲公司 Pesticide combination based on azoles and pyrimidine radicals amine derivative and insecticide
CN101801196A (en) * 2007-09-21 2010-08-11 拜尔农作物科学股份公司 Active ingredient combinations having insecticidal and acaricidal properties

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