CN103039475A - Synergistic insecticidal composition containing tolfenpxrad and chlorfluazuron and application thereof - Google Patents
Synergistic insecticidal composition containing tolfenpxrad and chlorfluazuron and application thereof Download PDFInfo
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- CN103039475A CN103039475A CN2011103150098A CN201110315009A CN103039475A CN 103039475 A CN103039475 A CN 103039475A CN 2011103150098 A CN2011103150098 A CN 2011103150098A CN 201110315009 A CN201110315009 A CN 201110315009A CN 103039475 A CN103039475 A CN 103039475A
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- tolfenpyrad
- fluorine pyridine
- pyridine urea
- synergistic insecticidal
- insecticidal compositions
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Abstract
The invention discloses a synergistic insecticidal composition containing tolfenpxrad and chlorfluazuron and an application thereof. The insecticidal composition takes the tolfenpxrad and the chlorfluazuron as main active ingredients, wherein the weight ratio of the tolfenpxrad to the chlorfluazuron is (0.1-80):(0.5-80). The insecticidal composition has the effects of expanding a control spectrum and realizing synergy, can reduce the cost of medication, can be prepared into missible oil, wettable powder, micro-emulsion, aqueous emulsion, suspension and water dispersible granules, and can be used for controlling lepidoptera, homoptera, hymenoptera, coleoptera and other various pests.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of Synergistic insecticidal compositions and application thereof that contains Tolfenpyrad and fluorine pyridine urea.
Background technology
Tolfenpyrad (Tolfenpyrad), chemical name: 4-chloro-3-ethyl-1-methyl-N-{[4-(4-methylphenoxy) phenyl]-methyl }-1H pyrazoles-5-carboxylic acid amides, be the off-white color pressed powder, density (25 ℃): 1.18g/cm, vapour pressure (25 ℃):＜5 * 10Pa.Solvability (25 ℃): water 0.037mg/L, n-hexane 7.41g/L, toluene 366g/L, methyl alcohol 59.6g/L.Distribution coefficient (n-octyl alcohol/water) (25 ℃): log Pow 5.61, structural formula is:
The acute toxicity of Tolfenpyrad preparation is: rat oral LD50102 (hero), 83 (female) mg/kg; Its mouse oral LD50104 (hero), 108 (female) mg/kg.Acute dermal toxicity is relatively low, to rat, mouse LD50 all＞2000mg/kg.Lagophthalmos eyeball and skin there is moderate spread effect.
Tolfenpyrad is the novel pyrazole heterocyclic insecticidal/acaricidal agent of former Mitsubishi chemical company (its agricultural chemicals partly now belong to Japanese agricultural chemicals company) exploitation, its main mechanism is the oxidative phosphorylation that stops insect, also has ovicidal, presses down food, oviposition deterrence and bactericidal action.
Fluorine pyridine urea (Chlorfluazuron), chemical name: 1-(3,5-, two chloro-4-(3-chloro-5-trifluoromethyl-2-pyridine oxygen base) phenyl)-3-(2,6-difluoro benzoyl) urea, structural formula is:
Fluorine pyridine urea is a kind of widely used growth regulator, tool stomach toxicity, action of contace poison.The mechanism of action is to suppress chitin synthesis, hinders insect and normally casts off a skin, and makes the developmental deformity of hatching, larval molting and the pupa of ovum, and adult eclosion is obstructed.Drug effect is high, and speed of action is slower, and to multiple lepidoptera pest, and orthoptera, coleoptera, Hymenoptera, diptera isoreactivity are high, but invalid to aphid, leafhopper, plant hopper.Fluorine pyridine urea is to mammiferous acute through skin LD
50＞8500mg/kg, acute oral LD
50＞1000mg/kg.
Often there is defective in the insecticide variety that contains single component in the agricultural chemicals control of insect: use is easily developed immunity to drugs continuously, and insecticidal spectrum is narrow, can not provide comprehensive protection for crop, and peasant's drug cost is high.By two kinds or the coming year various active components be combined in to a certain extent the above-mentioned shortcoming of to a certain extent customer service.Have two kinds of synergistic effect or the combination of two or more active components and be mixed, can improve preventive effect, reduce active ingredient ground dosage, save cost, slow down pest resistance occur, and can the expanding prevention spectrum, play that many worms are double to be controlled, reduce peasant's use cost.
Summary of the invention
The purpose of this invention is to provide a kind of Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea, said composition can be used for preventing and treating the various agricultural insect, for example in control paddy rice rice leaf roller, striped rice borer, paddy stem borer, pink rice borer, rice plant skipper, rice fulgorid, aphid etc. can be prevented again, the effect that a drug is prevented and treated dissimilar insect can be reached.
Another object of the present invention provides the application of Synergistic insecticidal compositions in the preparation insecticidal materials that contains Tolfenpyrad and fluorine pyridine urea.
The present invention adopts following technical scheme:
A kind of Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea, it is take Tolfenpyrad and fluorine pyridine urea as main active ingredient, wherein, the weight ratio of Tolfenpyrad and fluorine pyridine urea is 0.1～80: 0.5～80, be preferably 1～60: 1～70, more preferably 1～30: 1～30, particularly preferably 1: 1～10.The effective ingredient of above-mentioned Insecticidal combinations is present in the composition with the synergy effective dose.
At the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea of the present invention, the two gross weight percentage composition in this Synergistic insecticidal compositions of Tolfenpyrad and fluorine pyridine urea is 2%～80%, is preferably 8%～60%, and optimum is 20%～40%.
The auxiliary agent that the above-mentioned Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea allows on take Tolfenpyrad and fluorine pyridine urea as main active ingredient (active component) and agricultural chemicals is mixed with any one formulation.The preferred missible oil of formulation, wetting powder, microemulsion, aqueous emulsion, suspending agent or water dispersion granule.
Described auxiliary agent can adopt calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, polyoxyethylene polyoxy third rare block compound (such as farming breast 33
#), polyoxyethylene nonylphenol ether, cyclohexanone, dimethylbenzene, solvent naphtha, water, antifreezing agent (such as propane diols), deionized water etc.Above auxiliary agent and the upper known auxiliary material of other agricultural can alone or and usefulness.
The described application of Synergistic insecticidal compositions in preparing the insecticidal materials of preventing and treating one or more insects in Lepidoptera, Homoptera, Hymenoptera or the coleoptera that contains Tolfenpyrad and fluorine pyridine urea, the preferably application in the insecticidal materials of preparation control Lepidoptera and/or homoptera pest, the further preferably application in the insecticidal materials of one or more insects in preparation control rice leaf roller, striped rice borer, paddy stem borer, pink rice borer, rice plant skipper, cotton bollworm, water rice hopper, aleyrodid, leafhopper or aphid.
Pesticidal combination of the present invention compared with prior art, produce following beneficial effect: (1) is compared with single dose, the present composition has obvious synergistic function to the control of one or more insects in Lepidoptera, Homoptera, Hymenoptera or the coleoptera, has obviously improved control efficiency; (2) one medicines are controlled more, and a dispenser can prevent and treat various pests simultaneously, reduce control recruitment cost; (3) alternative high-toxic pesticide, and significantly reduce the field dosage, effective environmental contamination reduction and residue of pesticide; (4) have concurrently quick-acting and long-acting; (5) compare with the Tolfenpyrad single dose, produce and the use cost reduction; (6) suppress insect to the resistance enhancing of agricultural chemicals.
Embodiment
Embodiments of the invention are the methods that adopt indoor bioassay and field trial to combine.First by indoor bioassay, the co-toxicity coefficient after clear and definite two kinds of medicaments are composite by a certain percentage; On this basis, carry out again field trial.
Embodiment 1:
Taking by weighing Tolfenpyrad, fluorine pyridine urea, to adopt the conventional formulation method to be mixed with main active ingredient weight percentage by different proportion be 30% Tolfenpyrad 5 percent of hexaflumuron emulsifiable concentrate.Concrete ratio sees Table 1.
Adopt feed to add malicious method and measure Tolfenpyrad and fluorine pyridine urea and composite sample thereof to the virulence of rice-stem borer, every processing repeats 3 times, and every concentration is processed 30, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
Table 1 Tolfenpyrad, fluorine pyridine urea and composite sample thereof are to toxicity test and the co-toxicity coefficient of rice-stem borer
Data show in the table, and Tolfenpyrad and fluorine pyridine urea are mixed and rear rice-stem borer are had synergistic effect, and four listed in table proportioning co-toxicity coefficients are all much larger than 120, so Tolfenpyrad and fluorine pyridine urea are mixed and have significant synergies.The synergistic effect maximum that wherein is mixed when the ratio of fluorine pyridine urea and Tolfenpyrad is 2.5: 1 and kills rice-stem borer, co-toxicity coefficient is 203.12.
Embodiment 2:
Taking by weighing Tolfenpyrad, fluorine pyridine urea, to adopt the conventional formulation method to be mixed with main active ingredient weight percentage by different proportion be 30% Tolfenpyrad 5 percent of hexaflumuron emulsifiable concentrate.Concrete ratio sees Table 2.
Adopt rice stem infusion process to measure Tolfenpyrad and fluorine pyridine urea and composite sample thereof to the virulence of cotton cotton bollworm, every processing repeats 3 times, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
Table 2 Tolfenpyrad, fluorine pyridine urea and composite sample thereof are to toxicity test and the co-toxicity coefficient of cotton cotton bollworm
Data show in the table, and Tolfenpyrad and fluorine pyridine urea are mixed and rear cotton bollworm are had synergistic effect, and four listed in table proportioning co-toxicity coefficients are all much larger than 120, so Tolfenpyrad and fluorine pyridine urea are mixed and have significant synergies.The synergistic effect maximum that wherein is mixed when the ratio of Tolfenpyrad and fluorine pyridine urea is 1: 10 and kills the cotton cotton bollworm, co-toxicity coefficient is 198.14.
Embodiment 3:
Take by weighing 5g Tolfenpyrad, 20g fluorine pyridine urea, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms main active ingredient weight percentage and be 25% Tolfenpyrad 5 percent of hexaflumuron emulsifiable concentrate.
Adopt 3 sample product of embodiment to carry out the field trial of control in field paddy rice rice leaf roller, the contrast medicament is 15% Tolfenpyrad EC and 5% fluorine pyridine urea EC, and with clear water as blank, concrete consumption sees Table 3, and every mu of water consumption is 30kg, looks into behind the medicine 3 days, 7 days, 14 days, 28 days results, result of the test sees Table 3:
Table 3 example 3 samples are to the field test results of paddy rice rice leaf roller
3 pairs of paddy rice rice leaf roller of example have fabulous quick-acting as can be seen from Table 3, and the lasting period is more intense, in the field performance well, are the outstanding medicaments of control paddy rice rice leaf roller.
Embodiment 4:
Adopt 3 sample product of embodiment to carry out the field trial of control in field rice-stem borer, the contrast medicament is 15% Tolfenpyrad EC and 5% fluorine pyridine urea EC (missible oil), and with clear water as blank, concrete consumption sees Table 4, and every mu of water consumption is 30kg, looks into behind the medicine 3 days, 7 days, 14 days, 28 days results, result of the test sees Table 4:
Table 4 example 3 samples are to the field test results of rice-stem borer
Example 3 samples have fabulous effect to rice-stem borer as can be seen from Table 4, and the lasting period is long, in the field performance well, are the outstanding medicaments that prevents striped rice borer.
Show through indoor synergism test mensuration: by Tolfenpyrad and fluorine pyridine urea built agent paddy rice rice leaf roller and striped rice borer are all had significant synergistic insecticidal action; Field control effectiveness test shows that equally also all built agents of the present invention all are significantly higher than the effect of corresponding single dose agricultural chemicals to the insecticidal effect of paddy rice rice leaf roller and striped rice borer.
Embodiment 5:
Take by weighing 0.2g Tolfenpyrad, 20g fluorine pyridine urea, lignin 10g, Negel 2g, add to 100g with kaolin, above raw material is mixed in micronizer, form main active ingredient weight percentage and be 20.2% Tolfenpyrad fluorine pyridine urea wetting powder.
Embodiment 6:
Take by weighing 78g Tolfenpyrad, 0.5g fluorine pyridine urea, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 6g, dimethylbenzene and add to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms main active ingredient weight percentage and be 78.5% Tolfenpyrad 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 7:
Take by weighing 2g Tolfenpyrad, 10g fluorine pyridine urea, nonyl phenol phosphate 5g, alkylphenol polyoxyethylene 4g, n-butanol 3g, the dimethylbenzene of 30g and the pyrrolidones of 20g, the xanthans of 0.1g, all the other waters are supplied 100g, n-butanol and water-soluble solution form water, and all the other component mix and blends form oil phase, slowly water are added in the oil phase under the clipper effect and go, and continue to shear 10～30 minutes, form main active ingredient weight percentage and be 12% Tolfenpyrad fluorine pyridine urea aqueous emulsion.
Embodiment 8:
Take by weighing 10g Tolfenpyrad, 30g fluorine pyridine urea, calcium dodecyl benzene sulfonate 5g, alkylphenol polyoxyethylene 4g, the solvent xylene of 30g and the pyrrolidones of 15g, all the other waters complement to 100g, Tolfenpyrad, fluorine pyridine urea, dimethylbenzene, pyrrolidones, calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene mix and blend form homogeneous phase transparent solution, then slowly add entry and stir to form clear solution, be main active ingredient weight percentage and be 40% Tolfenpyrad fluorine pyridine urea microemulsion.
Embodiment 9:
Take by weighing 4g Tolfenpyrad, 4g fluorine pyridine urea, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms main active ingredient weight percentage and be 8% Tolfenpyrad 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 10:
Take by weighing 3g Tolfenpyrad, 30g fluorine pyridine urea, sodium lignin sulfonate 3g, polyoxyethylene poly-oxygen propylene aether and sulphate 4g thereof, xanthans 0.2g, ethylene glycol 10g, silica ethane 0.1g, aluminium-magnesium silicate 0.5g, water is supplied 100g, and the main active ingredient weight percentage of formation is 33% Tolfenpyrad fluorine pyridine urea suspending agent under the effect of sand mill.
Embodiment 11:
Take by weighing 5g Tolfenpyrad, 60g fluorine pyridine urea, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 15g, dimethylbenzene to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms main active ingredient weight percentage and be 65% Tolfenpyrad 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 12:
Take by weighing 45g Tolfenpyrad, 5g fluorine pyridine urea, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 28g, it is 50% Tolfenpyrad fluorine pyridine urea water dispersible granules that above raw material is formed main active ingredient weight percentage by the method for water dispersion granule.
Embodiment 13:
Take by weighing 25g Tolfenpyrad, 25g fluorine pyridine urea, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 15g, dimethylbenzene to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms main active ingredient weight percentage and be 50% Tolfenpyrad 5 percent of hexaflumuron emulsifiable concentrate.
Claims (10)
1. Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea is characterized in that this Synergistic insecticidal compositions take Tolfenpyrad and fluorine pyridine urea as main active ingredient, and wherein, the weight ratio of Tolfenpyrad and fluorine pyridine urea is 0.1～80: 0.5～80.
2. the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea according to claim 1 is characterized in that the described weight ratio that mainly contains effective constituent Tolfenpyrad and fluorine pyridine urea is 1～60: 1～70.
3. the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea according to claim 2 is characterized in that the described weight ratio that mainly contains effective constituent Tolfenpyrad and fluorine pyridine urea is 1～30: 1～30, preferred 1: 1～10.
4. the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea according to claim 1 is characterized in that the two gross weight percentage composition in this Synergistic insecticidal compositions of described Tolfenpyrad and fluorine pyridine urea is 2%～80%.
5. the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea according to claim 4 is characterized in that the two gross weight percentage composition in this Synergistic insecticidal compositions of described Tolfenpyrad and fluorine pyridine urea is 8%～60%.
6. the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea according to claim 5 is characterized in that the two gross weight percentage composition in this Synergistic insecticidal compositions of described Tolfenpyrad and fluorine pyridine urea is 20%～40%.
7. the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea according to claim 1 is characterized in that the auxiliary agent that allows on this Synergistic insecticidal compositions is take Tolfenpyrad and fluorine pyridine urea as main active ingredient and agricultural chemicals is mixed with any one formulation.
8. the Synergistic insecticidal compositions that contains Tolfenpyrad and fluorine pyridine urea according to claim 7 is characterized in that described formulation is missible oil, wetting powder, microemulsion, aqueous emulsion, suspending agent or water dispersion granule.
9. the application of Synergistic insecticidal compositions in preparing the insecticidal materials of preventing and treating one or more insects in Lepidoptera, Homoptera, Hymenoptera or the coleoptera that contains Tolfenpyrad and fluorine pyridine urea claimed in claim 1, the preferably application in the insecticidal materials of preparation control Lepidoptera and/or homoptera pest.
10. application according to claim 9 is characterized in that containing the application of Synergistic insecticidal compositions in preparing the insecticidal materials of preventing and treating one or more insects in rice leaf roller, striped rice borer, paddy stem borer, pink rice borer, rice plant skipper, cotton bollworm, water rice hopper, aleyrodid, leafhopper or the aphid of Tolfenpyrad and fluorine pyridine urea.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322535A (en) * | 2014-10-22 | 2015-02-04 | 合肥星宇化学有限责任公司 | Insecticide composition, preparation and use of preparation |
| CN104365606A (en) * | 2014-10-24 | 2015-02-25 | 青岛瀚生生物科技股份有限公司 | Dihalopyrazole amide and tolfenpyrad compound insecticidal composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006131516A (en) * | 2004-11-04 | 2006-05-25 | Nippon Nohyaku Co Ltd | Pest control agent composition and method for use thereof |
| CN101653123A (en) * | 2009-07-14 | 2010-02-24 | 深圳诺普信农化股份有限公司 | Synergistic insecticidal composition and application thereof |
-
2011
- 2011-10-17 CN CN2011103150098A patent/CN103039475A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006131516A (en) * | 2004-11-04 | 2006-05-25 | Nippon Nohyaku Co Ltd | Pest control agent composition and method for use thereof |
| CN101653123A (en) * | 2009-07-14 | 2010-02-24 | 深圳诺普信农化股份有限公司 | Synergistic insecticidal composition and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322535A (en) * | 2014-10-22 | 2015-02-04 | 合肥星宇化学有限责任公司 | Insecticide composition, preparation and use of preparation |
| CN104322535B (en) * | 2014-10-22 | 2016-06-01 | 合肥星宇化学有限责任公司 | A kind of insect-killing composition, preparation and purposes thereof |
| CN104365606A (en) * | 2014-10-24 | 2015-02-25 | 青岛瀚生生物科技股份有限公司 | Dihalopyrazole amide and tolfenpyrad compound insecticidal composition |
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Application publication date: 20130417 |