CN101971810A - Composition of pyriproxyfen and nitenpyram and application thereof - Google Patents
Composition of pyriproxyfen and nitenpyram and application thereof Download PDFInfo
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- CN101971810A CN101971810A CN2010105371071A CN201010537107A CN101971810A CN 101971810 A CN101971810 A CN 101971810A CN 2010105371071 A CN2010105371071 A CN 2010105371071A CN 201010537107 A CN201010537107 A CN 201010537107A CN 101971810 A CN101971810 A CN 101971810A
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Abstract
The invention relates to a composition of pyriproxyfen and nitenpyram. The composition contains two active components of the pyriproxyfen and the nitenpyram, and the pyriproxyfen and the nitenpyram are blended with a solid or liquid carrier and auxiliary agents to prepare a composition preparation thereof for controlling rice planthoppers. The composition of the pyriproxyfen and the nitenpyram has obvious synergistic activity, and the compounding of the pyriproxyfen and the nitenpyram can furthest perform respective drug effects, reduce the occurrences of resistance risk of the rice planthoppers, reduce the dosage and save the cost.
Description
Technical field
The present invention relates to a kind of binary built composition of preventing and treating rice grub such as rice fulgorid, be specifically related to a kind of pyrrole propyl ether and composition containing nitenpyram and application thereof, the invention belongs to the agricultural chemical insecticide technical field.
Background technology
Rice fulgorid is the important insect pest of China paddy rice, and directly thorn is inhaled juice, makes growth retardation, and the rice clump is agglomerating withered when serious, even the dead stalk lodging in full field, and rice fulgorid lays eggs and also can stab plant, destroys conducting tissue, hinders the nutriment transportation and the viral disease that spreads disease.
The pyrrole propyl ether (chemical name: the 4-Phenoxyphenyl-(RS)-and 2-(2-pyridine oxygen base) propyl ether) be that a kind of juvenoid insect growth is grown conditioning agent, be mainly used in insects such as control fly, mosquito, blattaria, coccid, aleyrodid, have high ovicidal activity, but to the adult activity a little less than.
Nitenpyram (chemical name: (E)-N-(6-chloro-3-picolyl)-N-ethyl-N '-methyl-2-nitro ethylene diamine) belongs to anabasine insecticide, be mainly used in the sucking pest of control on paddy rice, vegetables and other crops, have remarkable interior absorption and osmosis, insecticidal spectrum wide, crop safety is not had poisoning.
The present invention is in view of pyrrole propyl ether and the Nitenpyram mechanism of action different to rice fulgorid, and both are composite can to bring into play drug effect separately to greatest extent, reduces the generation of rice fulgorid resistance risk, lowers consumption, saves cost.
Summary of the invention
The present invention is exactly in order to address the above problem, and overcomes the more weak problem of pyrrole propyl ether control adult activity, and a kind of pyrrole propyl ether and composition containing nitenpyram and application thereof are provided.This invention can be used for preventing and treating rice fulgorid.
The present composition is characterised in that and includes pyrrole propyl ether (Pyriproxyfen) and two kinds of active components of Nitenpyram (Nitenpyram), uses pyrrole propyl ether and composition containing nitenpyram to have significant synergies.The mechanism of action of two kinds of medicaments has bigger difference, after pyrrole propyl ether and Nitenpyram are mixed, shows synergistic effect.Can reach the purpose of effective pest control from many aspects to the insect acting in conjunction, reduce the using dosage of medicament simultaneously, save Financial cost, reduce the pollution of medicament, also reduce the risk of insect medicament generation resistance to environment in the field.
For realizing that purpose of the present invention studies composition active component proportioning, the composition effect evaluation method is calculated toxicity index with the abundant method of Sun Yun (Sun etc., 1960), and calculates co-toxicity coefficient, and concrete computational methods are as follows:
Theory is used the content (%) of toxicity index * B in using with of content (the %)+B of toxicity index * A in using with of toxicity index (TTI)=A with
Type of action after using with is judged: co-toxicity coefficient is greater than 120, and showing has synergistic effect; Co-toxicity coefficient is less than 80, and showing has antagonism; Co-toxicity coefficient is greater than 80 less than 120, and showing has summation action.
The technical problem that will solve required for the present invention can be achieved through the following technical solutions:
As a first aspect of the present invention, a kind of pyrrole propyl ether and composition containing nitenpyram, described composition comprises active component, carrier and auxiliary agent, it is characterized in that, the active component of described composition comprises: pyrrole propyl ether, and Nitenpyram; The ratio of weight and number of pyrrole propyl ether and Nitenpyram is 4: 1～1: 2 in the described composition; The content of described active component accounts for 2～95% of composition total weight percentage.
The ratio of weight and number of pyrrole propyl ether and Nitenpyram is preferably 2: 1 in the described composition; The synergistic effect degree of the amount of application the when content of active component depends on use among the present invention and the proportioning of mixture.
Conventional processing method is adopted in the processing of present composition preparation, promptly active component is mixed with solid carrier or liquid-carrier, adds one or more auxiliary agents such as emulsifier, wetting agent, dispersant, defoamer, stabilizing agent, adhesive etc. and processes.Therefore contain one or more carriers and auxiliary agent at least in the present composition.During use, preferred formulation is selected according to actual conditions.
Wherein, described carrier comprises: solid carrier or liquid-carrier.
Further, described solid carrier comprises: one or more combinations in natural synthetic mineral such as clay, kaolin, white carbon, talcum, sulphur, active carbon, calcium carbonate, diatomite, sawdust, the methylcellulose.
Further, described liquid-carrier comprises: aromatic series or aliphatic hydrocarbon such as dimethylbenzene, trimethylbenzene, naphthalene, light oil (as kerosene), cyclohexane; Ethers such as ethylene glycol dimethyl ether; Ester class such as butyl acetate; Ketone such as cyclohexanone; Nitrile such as isobutyronitrile; Sulfoxide class such as dimethyl sulfoxide (DMSO); Amide-type such as N, dinethylformamide and N,N-dimethylacetamide; One or more combinations of vegetable oil such as soya-bean oil and cottonseed oil.
Wherein, auxiliary agent is emulsifier, wetting agent, dispersant, defoamer, stabilizing agent, adhesive.
Further, the described emulsifier of stating comprises nonionic emulsifier and ionic emulsifying agent.
Described nonionic emulsifier is one or more combinations of alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, polyol fatty acid ester and ethylene oxide adduct thereof, methyl glucoside fatty acid ester.
Described ionic emulsifying agent is one or more combinations of alkylbenzenesulfonate, benzene sulfonamide amine acid salt, alkylsulfonate, alkyl sulfate, alkylnaphthalene sulfonate, arylsulphonate.
Further, described dispersant is lignosulfonates, methylcellulose, alkylsulfonate, how one or more combinations of sulfonic acid and formaldehyde condensation compound.
As a second aspect of the present invention, the application of pyrrole propyl ether and composition containing nitenpyram is characterized in that, described composition is used to prevent and treat rice fulgorid.
Beneficial effect of the present invention:
1, the present composition includes pyrrole propyl ether and two kinds of active components of Nitenpyram, uses pyrrole propyl ether and composition containing nitenpyram to have significant synergies.After the two is mixed, show synergistic effect.Can reach the purpose of effective pest control from many aspects to the insect acting in conjunction.
2, the present invention reduces the using dosage of medicament in the field, saves Financial cost, reduces the pollution of medicament to environment simultaneously.
3, the present invention adopts mixture preparation, has also reduced the risk of insect to medicament generation resistance.
Embodiment
In order to make technological means of the present invention, creation characteristic, to reach purpose and effect is easy to understand, below in conjunction with specific embodiment, further set forth the present invention, but the present invention is not limited only to these examples.
Embodiment 1: the activity of composition
The preparation of medicament: respectively pyrrole propyl ether and the former medicine of Nitenpyram are mixed with 5 series concentration of 2 single agent and 5 groups of proportionings that are mixed respectively with DMF, concrete proportioning is respectively 4/1,3/1,2/1,1/1,1/2 for (pyrrole propyl ether/Nitenpyram).Medicament with this several series concentration adopts spray-on process to handle rice fulgorid nymph and ovum, each nymph lethality of handling of record, the not incubation rate and the corrected mortality of ovum, and result of the test is calculated toxicity index with the abundant method of Sun Yun, and calculates co-toxicity coefficient.
The result shows: the pyrrole propyl ether has higher activity to the rice fulgorid ovum, and Nitenpyram is higher to rice fulgorid nymph activity, virulence LC
50Be 1.7339mg/L.The nymph measurement result is shown that pyrrole propyl ether and Nitenpyram mass ratio co-toxicity coefficient between 4/1～1/2 is 124.67～142.68, all show as synergistic effect, wherein mass ratio is that 3/1 o'clock co-toxicity coefficient reaches and is up to 142.68.Concrete outcome see the following form (table 1)
Table 1, the different proportionings with Nitenpyram of pyrrole propyl ether are to the toxicity test result of rice fulgorid nymph
Embodiment 2: formulation examples
Prescription 1: pyrrole propyl ether 40%, Nitenpyram 10%, fatty alcohol-polyoxyethylene ether 5%, mersolates 2%, isooctanol 1%, white carbon 2%, xanthans 0.1%, glycerine 5%, silicone defoaming agent 0.2%, water complements to 100%.After material coarse crushing, the homogenize, through sand mill be ground to particle diameter reach filter behind the standard-required 50% pyrrole propyl ether Nitenpyram suspending agent.
Prescription 2: pyrrole propyl ether 15%, Nitenpyram 15%, vinylpyrrolidone 3%, sodium lignin sulfonate 5%, white carbon 2%, kaolin complements to 100%.Material obtains 30% pyrrole propyl ether Nitenpyram wetting powder after ultra-fine grinding.
Prescription 3: pyrrole propyl ether 5%, Nitenpyram 10%, 200# solvent naphtha 15%, polyoxyethylene fatty acid ester 3%, silicone defoaming agent 0.2%.Stir after the mixing of materials, be dissolved into uniform oil phase, add ethylene glycol 5%, water complements to 100% and stirs formation 15% pyrrole propyl ether Nitenpyram aqueous emulsion.
Prescription 4: pyrrole propyl ether 15%, Nitenpyram 10%, 200# solvent naphtha 10%, soluble starch 1%, EO-PO block polyether 3%, silicone defoaming agent 0.2%, ethylene glycol 5%.Stir after the mixing of materials, be dissolved into uniform oil phase, water complements to 100% and stirs formation 25% pyrrole propyl ether Nitenpyram microemulsion.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (12)
1. pyrrole propyl ether and composition containing nitenpyram, described composition comprises active component, carrier and auxiliary agent, it is characterized in that, the active component of described composition comprises: pyrrole propyl ether and Nitenpyram; The ratio of weight and number of pyrrole propyl ether and Nitenpyram is 4: 1～1: 2 in the described composition; The content of described active component accounts for 2～95% of composition total weight percentage.
2. composition according to claim 1 is characterized in that, the ratio of weight and number of pyrrole propyl ether and Nitenpyram is 2: 1 in the described composition.
3. composition according to claim 1 is characterized in that, described carrier comprises: solid carrier or liquid-carrier.
4. composition according to claim 3 is characterized in that, described solid carrier is one or more combinations in clay, kaolin, white carbon, talcum, sulphur, active carbon, calcium carbonate, diatomite, sawdust, the methylcellulose.
5. composition according to claim 3 is characterized in that, described liquid-carrier is one or more combinations of aromatic series or aliphatic hydrocarbon, ethers, ester class, ketone, nitrile, sulfoxide class, amide-type, vegetable oil.
6. composition according to claim 5 is characterized in that, described ethers is an ethylene glycol dimethyl ether; Described ester class is a butyl acetate; Described ketone is a cyclohexanone; Described nitrile is an isobutyronitrile; Described sulfoxide class is a dimethyl sulfoxide (DMSO); Described amide-type is N, dinethylformamide and N,N-dimethylacetamide; Described vegetable oil is one or more combinations of soya-bean oil and cottonseed oil.
7. composition according to claim 1 is characterized in that, described auxiliary agent is emulsifier, wetting agent, dispersant, defoamer, stabilizing agent, adhesive.
8. composition according to claim 7 is characterized in that, the described emulsifier of stating comprises nonionic emulsifier and ionic emulsifying agent.
9. composition according to claim 8, it is characterized in that described nonionic emulsifier is one or more combinations of alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, polyol fatty acid ester and ethylene oxide adduct thereof, methyl glucoside fatty acid ester.
10. composition according to claim 8 is characterized in that, described ionic emulsifying agent is one or more combinations of alkylbenzenesulfonate, benzene sulfonamide amine acid salt, alkylsulfonate, alkyl sulfate, alkylnaphthalene sulfonate, arylsulphonate.
11. composition according to claim 7 is characterized in that, described dispersant is lignosulfonates, methylcellulose, alkylsulfonate, how one or more combinations of sulfonic acid and formaldehyde condensation compound.
12. the application of pyrrole propyl ether as claimed in claim 1 and composition containing nitenpyram is characterized in that described composition is used to prevent and treat rice fulgorid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105371071A CN101971810A (en) | 2010-11-09 | 2010-11-09 | Composition of pyriproxyfen and nitenpyram and application thereof |
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| CN2010105371071A CN101971810A (en) | 2010-11-09 | 2010-11-09 | Composition of pyriproxyfen and nitenpyram and application thereof |
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| CN101971810A true CN101971810A (en) | 2011-02-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244343A (en) * | 1998-08-05 | 2000-02-16 | 住友化学工业株式会社 | Composition for killing harmful tardigvada |
| JP2000212008A (en) * | 1999-01-26 | 2000-08-02 | Sumitomo Chem Co Ltd | Insecticidal composition and insecticidal method |
| CN101796957A (en) * | 2010-03-25 | 2010-08-11 | 青岛泰生生物科技有限公司 | Pyriproxyfen compound pesticide |
-
2010
- 2010-11-09 CN CN2010105371071A patent/CN101971810A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244343A (en) * | 1998-08-05 | 2000-02-16 | 住友化学工业株式会社 | Composition for killing harmful tardigvada |
| JP2000212008A (en) * | 1999-01-26 | 2000-08-02 | Sumitomo Chem Co Ltd | Insecticidal composition and insecticidal method |
| CN101796957A (en) * | 2010-03-25 | 2010-08-11 | 青岛泰生生物科技有限公司 | Pyriproxyfen compound pesticide |
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Application publication date: 20110216 |