CN102017980A - Synergistic insecticidal composition containing nitenpyram and imidacloprid and application thereof - Google Patents
Synergistic insecticidal composition containing nitenpyram and imidacloprid and application thereof Download PDFInfo
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- CN102017980A CN102017980A CN200910183496XA CN200910183496A CN102017980A CN 102017980 A CN102017980 A CN 102017980A CN 200910183496X A CN200910183496X A CN 200910183496XA CN 200910183496 A CN200910183496 A CN 200910183496A CN 102017980 A CN102017980 A CN 102017980A
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Abstract
The invention discloses a synergistic insecticidal composition containing nitenpyram and imidacloprid and the application thereof. The insecticidal composition uses the nitenpyram and the imidacloprid as main active contents, wherein the weight ratio of the nitenpyram to the imidacloprid is 0.1-80 to 0.5-80. The insecticidal composition can generate higher synergy, overcome and delay the drug resistance of pests and expand control spectrum, has high insecticidal rate, long pesticide duration and remarkably higher prevention effect than the single preparation thereof, decreases the drug cost and lessens the toxicity. The invention can be used for preparing insecticide for preventing hemiptera pests on crops and particularly can be used for preparing insecticide for preventing paddy delphacidae and wheat aphids.
Description
Technical field
The invention belongs to pesticide field, being specifically related to a kind of is the Pesticidal combination and the application thereof of main active ingredient with Nitenpyram and Imidacloprid.
Background technology
Nitenpyram (nitenpyram) belongs to the anabasine insecticidal materials, and chemical name is (E)-N-(6-chloro-3 pyridylmethyls)-N-ethyl-N '-methyl-2-nitro ethenylidene diamines.Structural formula is as follows:
This medicine insecticidal spectrum is wide, be widely used on agricultural and the gardening prevent eliminating aphis, insects such as leafhopper, thrips, plant hopper, consumption is few, toxicity is low, lasting medicine does not have poisoning, safe in utilization to crop; This medicine acts on nAChR, the mode uniqueness, and insect is difficult for producing resistance, and remarkable interior suction and osmosis are arranged, and market prospects are comparatively wide, but its commercially available price is higher.
Imidacloprid (Imidacloprid), chemical name is: 1-(6-chloropyridine-3-pyridylmethyl)-N-Nitroimidazoline-2-base amine.Structural formula is as follows:
Imidacloprid (imidacloprid) is a nicotinoids super-high-efficient insecticidal materials, has wide spectrum, efficient, low toxicity, low-residual, and insect is difficult for producing resistance, to characteristics such as people, animal, plant and natural enemies securities, and have tag, multiple actions such as stomach toxicity and interior suction.Behind the insect contact medicament, the nervous centralis normal conduction is obstructed, and makes its paralysis dead.Product quick-acting is good, higher preventive effect is promptly arranged in 1 day behind the medicine, and residual life reached about 25 days.Be mainly used in the control sucking pest.Be mainly used in the sucking pest on the crops such as control paddy rice, wheat, cotton, as aphid, leafhopper, thrips, trialeurodes vaporariorum and colorado potato beetle and wheat stem maggot etc.It is longer that but this insecticide is used the time, and many Semiptera insects are single with having produced pesticide resistance and drug resistance in various degree to it.
Rice fulgorid and aphid are under the condition of present long-term prescription, and resistance increases gradually, and the agent of agricultural chemicals list descends gradually to the effect of control of insect.Discover that through the inventor synergistic complex of agricultural chemicals is expanding prevention spectrum and the effective measures that improve preventive effect, still finds no the Pesticidal combination that closes Nitenpyram and Imidacloprid up to now.
Summary of the invention
The purpose of this invention is to provide a kind of Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid.
Another object of the present invention provides said composition and prevents and treats application on the insecticidal materials of resistance Semiptera insect in preparation.
For achieving the above object, Nitenpyram and Imidacloprid that the present invention will grow the lasting period are composite, obtain the new and effective multifunctional insecticide composition of a class.This desinsection will go composition that the various pests that rice fulgorid and aphid are easy to generate resistance is had good preventive effect; And the inhibition insect is to the pesticide resistance generation of unitary agent (Nitenpyram or Imidacloprid are arbitrary).
The objective of the invention is to be achieved through the following technical solutions:
A kind of Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid, it is main active ingredient with Nitenpyram and Imidacloprid, wherein, the mass ratio of Nitenpyram and Imidacloprid is 0.1～80: 0.5～80.Preferred 1～50: 2～50, more preferably 2～20: 10～40.
In the present composition, the two quality percentage composition that accounts for composition of Nitenpyram and Imidacloprid is 1～80%.Be preferably 5～50%, most preferably 10～45%.Effective ingredient is present in the composition with the synergy effective dose in this Pesticidal combination.
Pesticidal combination of the present invention is any one formulation that allows on main active ingredient (active component) and insecticides adjuvant and the excipient agricultural chemicals with Nitenpyram and Imidacloprid.The preferred suspending agent of described formulation, wetting powder, aqueous emulsion or microemulsion.Also can go into other auxiliary material simultaneously if desired.
Described auxiliary agent can adopt calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, polyoxyethylene polyoxy third rare block compound (as farming breast 33
#), the one or more combinations in the polyoxyethylene nonylphenol ether, excipient comprises cyclohexanone, dimethylbenzene, solvent naphtha, water, pyrrolidones, dimethyl formamide, dimethyl sulfoxide (DMSO), antifreezing agent (as propane diols), deionized water etc.Above auxiliary agent, excipient and other auxiliary material can singly be used or and use.
Above-mentioned Pesticidal combination can be in the application that prevents and treats on the resistance Semiptera insect, and especially effect is remarkable on control rice fulgorid and aphid." % " of the present invention is mass percent.
Therefore, the present invention contains the Synergistic insecticidal compositions of pyrrole aphid ketone and ether chrysanthemum ester and can use on preparation prevents and treats the insecticidal materials of resistance Semiptera insect, particularly preparation anti-eliminate aphis and the insecticidal materials of rice fulgorid on use.
The Pesticidal combination of Nitenpyram provided by the invention and Imidacloprid can produce higher cooperative synergism, overcomes and has delayed pest resistance to insecticide, the expanding prevention spectrum, desinsection speed is fast, and the lasting period is long, and its control efficiency is used apparently higher than its single agent, reduce drug cost, alleviated toxicity.The present composition especially can be used for preventing and treating rice hoppers and wheat aphid, and its effect is used apparently higher than its single agent.
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1:
Taking by weighing Nitenpyram, Imidacloprid, to adopt the conventional formulation method to be mixed with main effectively composition quality percentage composition by different proportion be 30% Nitenpyram Imidacloprid missible oil.Concrete ratio sees 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 handled 60, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
Calculate toxicity regression equation and the lethal concentration of 50 LC of each medicament antagonism rice fulgorid with probability value method
50, the results are shown in Table 1:
The toxicity test of the composite and single agent antagonism of table 1 Nitenpyram and Imidacloprid rice fulgorid
Data show in the table, and Nitenpyram and the Imidacloprid back that is mixed has synergistic effect to the paddy rice brown planthopper, and three listed in table proportioning co-toxicity coefficients are all much larger than 120, so Nitenpyram and Imidacloprid are mixed and have significant synergies.
Employing is soaked the worm leaf dipping method and is carried out indoor synergy biologicall test, and selecting the resistance wheat aphid is target pest, and every processing repeats 3 times, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
The toxicity test of the composite and single agent antagonism of table 2 Nitenpyram and Imidacloprid wheat aphid
Data show in the table, and Nitenpyram and the Imidacloprid back that is mixed has synergistic effect to wheat aphid, and co-toxicity coefficient is greater than 120 when being 5: 1 and 15: 1 when both ratio, and synergistic effect is remarkable.
Embodiment 2:
Take by weighing 20g Nitenpyram, 12g Imidacloprid, phenethyl phenol polyethenoxy ether phosphate 3g, farming breast 33
#2g, alkylphenol polyoxyethylene 1g, dimethylbenzene 13g adds water to 100g.The method of above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, forms aqueous emulsion preparation 32% Nitenpyram-Imidacloprid aqueous emulsion.
Embodiment 3:
Take by weighing 2g Nitenpyram, 30g Imidacloprid, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, farming breast 33
#2g, alkylphenol polyoxyethylene 1g, cyclohexanone 10g adds water to 100g.The method that above raw material is prepared microemulsion routinely drops in the mixing kettle mixes, and forms microemulsion formulation 32% Nitenpyram-imidacloprid emulsion.
Adopt embodiment 2 and the field trial that sample carries out control in field paddy rice brown planthopper that embodiment 3 joins, the contrast medicament is 32% Imidacloprid WP and 32% Nitenpyram AS, and concrete extension rate sees Table 3, looked into behind the medicine 4 days, 10 days, 15 days, 20 days, 30 days results, result of the test sees Table 3:
Table 3: the composite field test results of Nitenpyram-Imidacloprid to the paddy rice brown planthopper
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable; A is illustrated on α=0.01 level remarkable, and B is illustrated on α=0.01 level variant, and C is illustrated on α=0.01 level not remarkable;
Field efficacy is the result show, Nitenpyram imidacloprid composition antagonism rice fulgorid has good control efficiency, and control efficiency all is better than the effect that single agent kind is better than direct each Dan Pin of while.
Adopt embodiment 2 and the field trial that sample carries out the control in field wheat aphid that embodiment 3 joins, the contrast medicament is 32% Imidacloprid WP and 32% Nitenpyram AS, and concrete extension rate sees Table 4, looked into behind the medicine 4 days, 10 days, 15 days, 20 days, 30 days results, result of the test sees Table 4:
Table 4: the composite field test results of Nitenpyram-Imidacloprid to wheat aphid
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable; A is illustrated on α=0.01 level remarkable, and B is illustrated on α=0.01 level variant, and C is illustrated on α=0.01 level not remarkable;
Field efficacy is the result show, the Nitenpyram imidacloprid composition has good control efficiency to wheat aphid, and control efficiency all is better than the effect that single agent kind is better than direct each Dan Pin of while.
Embodiment 4:
Take by weighing 0.5g Nitenpyram, 15g Imidacloprid, phenethyl phenol polyethenoxy ether phosphate 3g, farming breast 33
#2g, alkylphenol polyoxyethylene 1g, dimethylbenzene 13g adds water to 100g.The method of above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, forms aqueous emulsion preparation 15.5% Nitenpyram-Imidacloprid aqueous emulsion.
Embodiment 5:
Take by weighing 5g Nitenpyram, 5g Imidacloprid, phenethyl phenol polyethenoxy ether phosphate 3g, farming breast 33
#2g, alkylphenol polyoxyethylene 1g, dimethylbenzene 13g adds water to 100g.The method of above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, forms aqueous emulsion preparation 10% Nitenpyram-Imidacloprid aqueous emulsion.
Embodiment 6:
Take by weighing 2g Nitenpyram, 0.5g Imidacloprid, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus is a water, above raw material is prepared the method for suspending agent routinely, form 2.5% Nitenpyram imidacloprid suspending agent.
Embodiment 7:
Take by weighing 0.2g Nitenpyram, 50g Imidacloprid, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus is a water, above raw material is prepared the method for suspending agent routinely, form 50.2% Nitenpyram imidacloprid suspending agent.
Embodiment 8:
Take by weighing 5g Nitenpyram, 40g Imidacloprid, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus is a water, above raw material is prepared the method for suspending agent routinely, form 45% Nitenpyram imidacloprid suspending agent.
Embodiment 9:
Take by weighing 45g Nitenpyram, 30g Imidacloprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 75% Nitenpyram-Imidacloprid missible oil.
Embodiment 10:
Take by weighing 60g Nitenpyram, 5g Imidacloprid, 1g lauryl sodium sulfate, 0.5g dispersing agent NNO, kaolin to 100g, above raw material is prepared routinely the method for wetting powder and mixed, form 65% Nitenpyram imidacloprid wettable powder.
Embodiment 11:
Take by weighing 30g Nitenpyram, 25g Imidacloprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 7g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 55% Nitenpyram-Imidacloprid missible oil.
Embodiment 12:
Take by weighing 20g Nitenpyram, 30g Imidacloprid, calcium dodecyl benzene sulfonate 3g, phenethyl phenol polyethenoxy ether 2g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 50% Nitenpyram-Imidacloprid missible oil.
Embodiment 13:
Take by weighing 4g Nitenpyram, 3g Imidacloprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 7% Nitenpyram-Imidacloprid missible oil.
Embodiment 14:
Take by weighing 50g Nitenpyram, 8g Imidacloprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 58% Nitenpyram-Imidacloprid missible oil.
Embodiment 15:
Take by weighing 5g Nitenpyram, 45g Imidacloprid, the 8g of wooden sodium sulfonate, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 28g forms 50% Nitenpyram pyridine worm, third water dispersion granule with above raw material by the method for water dispersion granule.
Claims (9)
1. a Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid is characterized in that this Synergistic insecticidal compositions serves as main active ingredient with Nitenpyram and Imidacloprid, and wherein, the mass ratio of Nitenpyram and Imidacloprid is 0.1～80: 0.5～80.
2. the Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid according to claim 1 is characterized in that the mass ratio of Nitenpyram and Imidacloprid is 1～50: 2～50 in this Synergistic insecticidal compositions.
3. the Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid according to claim 2 is characterized in that the mass ratio of Nitenpyram and Imidacloprid is 2～20: 10～40 in this Synergistic insecticidal compositions.
4. the Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid according to claim 1 is characterized in that the two quality percentage composition that accounts for composition of Nitenpyram and Imidacloprid is 1～80%.
5. the Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid according to claim 4 is characterized in that the two quality percentage composition that accounts for composition of Nitenpyram and Imidacloprid is 5～50%.
6. according to claim 1, the 2 or 3 described Synergistic insecticidal compositions that contain Nitenpyram and Imidacloprid, it is characterized in that it serves as that main active ingredient and insecticides adjuvant, excipients are mixed with any one formulation that allows on the agricultural chemicals with Nitenpyram and Imidacloprid.
7. the Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid according to claim 6 is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule.
8. the described Synergistic insecticidal compositions that contains Nitenpyram and Imidacloprid of claim 1 is prevented and treated application in the insecticidal materials of resistance Semiptera insect in preparation.
9. the described application of Synergistic insecticidal compositions in the insecticidal materials of preparation control water rice hopper and aphid that contains Nitenpyram and Imidacloprid of claim 1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954650A (en) * | 2017-03-24 | 2017-07-18 | 合肥云都棉花有限公司 | A kind of cotton Pesticidal combination containing Nitenpyram and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304659A (en) * | 2005-11-10 | 2008-11-12 | 拜尔农作物科学股份公司 | Synergistic insecticidal mixtures for seed treatment |
| CN101524083A (en) * | 2009-04-27 | 2009-09-09 | 江苏辉丰农化股份有限公司 | Insecticidal composition containing nitenpyram and imidacloprid |
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- 2009-09-22 CN CN200910183496XA patent/CN102017980A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304659A (en) * | 2005-11-10 | 2008-11-12 | 拜尔农作物科学股份公司 | Synergistic insecticidal mixtures for seed treatment |
| CN101524083A (en) * | 2009-04-27 | 2009-09-09 | 江苏辉丰农化股份有限公司 | Insecticidal composition containing nitenpyram and imidacloprid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954650A (en) * | 2017-03-24 | 2017-07-18 | 合肥云都棉花有限公司 | A kind of cotton Pesticidal combination containing Nitenpyram and preparation method thereof |
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Application publication date: 20110420 |