CN103053535A - Synergistic insecticidal composition containing tolfenpyrad and fenvalerate and application - Google Patents
Synergistic insecticidal composition containing tolfenpyrad and fenvalerate and application Download PDFInfo
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- CN103053535A CN103053535A CN2011103173263A CN201110317326A CN103053535A CN 103053535 A CN103053535 A CN 103053535A CN 2011103173263 A CN2011103173263 A CN 2011103173263A CN 201110317326 A CN201110317326 A CN 201110317326A CN 103053535 A CN103053535 A CN 103053535A
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- tolfenpyrad
- sumicidin
- synergistic insecticidal
- insecticidal compositions
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Abstract
The invention discloses a synergistic insecticidal composition containing tolfenpyrad and fenvalerate and an application, the synergistic insecticidal composition takes tolfenpyrad and fenvalerate as main effective components, wherein the weight ratio of tolfenpyrad to fenvalerate is 0.1-80:0.5-80. The insecticidal composition has effects for enlarging the prevention and cure scope and synergia, and the medication cost is reduced, and the synergistic insecticidal composition can be prepared to a missible oil, a wettable powder, a microemulsion, an emulsion in water, a suspending agent and a water dispersible granule, and the synergistic insecticidal composition can be used for preventing and treating various pests such as Lepidoptera, Homoptera, Hymenoptera, thysanoptera and coleopteran.
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 sumicidin.
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 LD50 102 (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.
Sumicidin (fenvalerate) has another name called and kills the chrysanthemum ester, chemical name: alpha-cyano-3-benzyloxy phenoxy base (R, S)-2-(4-chlorphenyl)-3 Methylbutanoic acid ester, and structural formula is:
Sumicidin belongs to pyrethroid insecticides, and insecticidal spectrum is wide, to the natural enemy non-selectivity, without interior suction conduction and fumigation action.Effective to lepidopterous larvae.The insects such as Homoptera, orthoptera, Semiptera also there is better effects, but invalid to the mite class.
Often there is defective in the insecticide variety that contains single component in the agricultural chemicals control of insect: use is developed immunity to drugs easily continuously, and insecticidal spectrum is narrow, can not provide comprehensive protection for crop, and peasant's drug cost is high.Being combined in to a certain extent and can overcoming to a certain extent above-mentioned shortcoming by two kinds or various active components in the coming year.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 sumicidin.
Another object of the present invention provides the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin and prevents and treats application in the insecticidal materials of one or more insects in resistance Lepidoptera, Homoptera, Hymenoptera, thrips or the coleoptera in preparation.
Said composition can be used for preventing and treating the various agricultural insect, and such as cotton cotton bollworm, beet armyworm, onion thrips, vegetables diamond-back moth, cabbage caterpillar etc. can reach the effect that a drug is prevented and treated dissimilar insects.
The present invention adopts following technical scheme:
A kind of Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin, it is take Tolfenpyrad and sumicidin as main active ingredient, and wherein, the weight ratio of Tolfenpyrad and sumicidin is 0.1～80: 0.5～80.Be preferably 1～60: 1～70, more preferably 1～30: 1～30.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 sumicidin of the present invention, the two weight percentage in this Synergistic insecticidal compositions of Tolfenpyrad and sumicidin is 2%～80%, is preferably 8%～60%, and optimum is 20%～40%.
The above-mentioned Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin take Tolfenpyrad and sumicidin as main active ingredient (active component) and insecticides adjuvant, excipients be mixed with any one formulation that allows on the agricultural chemicals.The preferred missible oil of formulation, wetting powder, microemulsion, aqueous emulsion, suspending agent or water dispersible granules.
Described auxiliary agent can adopt calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, polyoxyethylene polyoxy third rare block compound (such as the newborn 33# of farming), polyoxyethylene nonylphenol ether etc., and excipient comprises cyclohexanone, dimethylbenzene, solvent naphtha, water, antifreezing agent (such as propane diols), deionized water etc.Above auxiliary agent, excipient and the upper known auxiliary material of other agricultural can alone or and usefulness.
Application in the insecticidal materials of the above-mentioned Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin one or more insects in preparation control Lepidoptera, Homoptera, Hymenoptera, thrips or coleoptera reaches the effect that a medicine is controlled more.Especially the effect in the insecticidal materials of the cotton cotton bollworm for preparing the easy generation of control resistance, beet armyworm, vegetables diamond-back moth, onion thrips etc. is remarkable, and suppresses insect to the pesticide resistance generation of unitary agent (Tolfenpyrad or sumicidin).
Pesticidal combination of the present invention compared with prior art, produce following beneficial effect: (1) is compared with single dose, the said composition insect has notable synergistic, 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, sumicidin, to adopt the conventional formulation method to be mixed with main active ingredient weight percentage by different proportion be 30% Tolfenpyrad fenvalerate missible oil.Concrete ratio sees Table 1.
Adopt feed to add malicious method and measure Tolfenpyrad and sumicidin and composite sample thereof to the virulence of cotton cotton bollworm, 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, sumicidin 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 sumicidin are mixed and rear the cotton cotton bollworm are had synergistic effect, and four listed in table proportioning co-toxicity coefficients are all greater than 100, so Tolfenpyrad and sumicidin are mixed and have significant synergies.The synergistic effect maximum that wherein is mixed when the ratio of sumicidin and Tolfenpyrad is 2.5: 1 and kills the cotton cotton bollworm, co-toxicity coefficient is 118.4.
Embodiment 2:
Taking by weighing Tolfenpyrad, sumicidin, to adopt the conventional formulation method to be mixed with main active ingredient weight percentage by different proportion be 30% Tolfenpyrad fenvalerate missible oil.Concrete ratio sees Table 2.
Adopt rice stem infusion process to measure Tolfenpyrad and sumicidin and composite sample thereof to the virulence of onion thrips, 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, sumicidin and composite sample thereof are to toxicity test and the co-toxicity coefficient of onion thrips
Data show in the table, and Tolfenpyrad and sumicidin are mixed and rear onion thrips are had synergistic effect, and four listed in table proportioning co-toxicity coefficients are all greater than 100, so Tolfenpyrad and sumicidin are mixed and have significant synergies.The synergistic effect maximum that wherein is mixed when the ratio of Tolfenpyrad and sumicidin is 1: 1 and kills onion thrips, co-toxicity coefficient is 137.5.
Embodiment 3:
Take by weighing 5g Tolfenpyrad, 20g sumicidin, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, add 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 fenvalerate missible oil.
Adopt 3 sample product of embodiment to carry out the field trial of control in field cotton cotton bollworm, the contrast medicament is 15% Tolfenpyrad EC (missible oil) and 20% sumicidin EC, and concrete consumption sees Table 3, every mu of water consumption is 30kg, looks into 7 days behind the medicine 3 days, 14 days, 28 days results.Do blank with clear water, result of the test sees Table 3:
Table 3 example 3 samples are to the field test results of cotton cotton bollworm
3 pairs of cotton cotton bollworms 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 cotton cotton bollworm.
Embodiment 4:
Adopt 3 sample product of embodiment to carry out the field trial of control in field vegetables diamond-back moth, the contrast medicament is 15% Tolfenpyrad EC and 20% sumicidin EC, and concrete consumption sees Table 3, and every mu of water consumption is 30kg, looked into behind the medicine 3 days, and 7 days, 14 days, 28 days results.Do blank with clear water, result of the test sees Table 4:
Table 4 example 3 samples are to the field test results of diamond-back moth
Example 3 samples have fabulous effect to diamond-back moth as can be seen from Table 4, and the lasting period is long, in the field performance well, are the outstanding medicaments that prevents diamond-back moth.
Show through indoor synergism test mensuration: by Tolfenpyrad and fenvalerate built agent cotton cotton bollworm and diamond-back moth 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 cotton cotton bollworm and diamond-back moth.
Embodiment 5:
Take by weighing 0.2g Tolfenpyrad, 19.8g sumicidin, 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% Tolfenpyrad sumicidin wetting powder.
Embodiment 6:
Take by weighing 78g Tolfenpyrad, 0.5g sumicidin, 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 fenvalerate missible oil.
Embodiment 7:
Take by weighing 2g Tolfenpyrad, 10g sumicidin, 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 fenvalerate aqueous emulsion.
Embodiment 8:
Take by weighing 10g Tolfenpyrad, 30g sumicidin, 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, former medicine, solvent, emulsifier, cosolvent 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 fenvalerate microemulsion.
Embodiment 9:
Take by weighing 4g Tolfenpyrad, 4g sumicidin, 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 fenvalerate missible oil.
Embodiment 10:
Take by weighing 3g Tolfenpyrad, 30g sumicidin, 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 sumicidin suspending agent under the effect of sand mill.
Embodiment 11:
Take by weighing 5g Tolfenpyrad, 55g sumicidin, 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 60% Tolfenpyrad fenvalerate missible oil.
Embodiment 12:
Take by weighing 45g Tolfenpyrad, 5g sumicidin, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 28g, it is 50% Tolfenpyrad sumicidin 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 30g Tolfenpyrad, 1g sumicidin, 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 31% Tolfenpyrad fenvalerate missible oil.
Embodiment 14:
Take by weighing 60g Tolfenpyrad, 1g sumicidin, 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 61% Tolfenpyrad fenvalerate missible oil.
Embodiment 15:
Take by weighing 1g Tolfenpyrad, 70g sumicidin, alkylphenol polyoxyethylene 10g, phenethyl phenol polyethenoxy ether 10g, 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 71% Tolfenpyrad fenvalerate missible oil.
Claims (10)
1. Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin is characterized in that this Synergistic insecticidal compositions take Tolfenpyrad and sumicidin as main active ingredient, and wherein, the weight ratio of Tolfenpyrad and sumicidin is 0.1～80: 0.5～80.
2. the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin according to claim 1 is characterized in that the effective ingredient Tolfenpyrad of this Synergistic insecticidal compositions and the weight ratio of sumicidin are 1～60: 1～70.
3. the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin according to claim 2 is characterized in that the effective ingredient Tolfenpyrad of this Synergistic insecticidal compositions and the weight ratio of sumicidin are 1～30: 1～30.
4. the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin according to claim 1 is characterized in that the two weight percentage in this Synergistic insecticidal compositions of Tolfenpyrad and sumicidin is 2%～80%.
5. the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin according to claim 4 is characterized in that the two weight percentage in this Synergistic insecticidal compositions of Tolfenpyrad and sumicidin is 8%～60%.
6. the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin according to claim 5 is characterized in that the two weight percentage in this Synergistic insecticidal compositions of Tolfenpyrad and sumicidin is 20%～40%.
7. the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin according to claim 1 is characterized in that this Synergistic insecticidal compositions take Tolfenpyrad and sumicidin as main active ingredient and insecticides adjuvant, excipients are mixed with any one formulation that allows on the agricultural chemicals.
8. the Synergistic insecticidal compositions that contains Tolfenpyrad and sumicidin according to claim 7 is characterized in that described formulation is missible oil, wetting powder, microemulsion, aqueous emulsion, suspending agent or water dispersible granules.
9. the application of Synergistic insecticidal compositions in preparing the insecticidal materials of preventing and treating one or more insects in Lepidoptera, Homoptera, Hymenoptera, thrips or the coleoptera that contains Tolfenpyrad and sumicidin claimed in claim 1.
10. application according to claim 9 is characterized in that containing the application of Synergistic insecticidal compositions in the insecticidal materials of preparation control cotton cotton bollworm, beet armyworm, vegetables diamond-back moth or onion thrips of Tolfenpyrad and sumicidin.
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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 |
| CN101669478A (en) * | 2009-10-13 | 2010-03-17 | 深圳诺普信农化股份有限公司 | Pesticide combination |
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| 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 |
| CN101669478A (en) * | 2009-10-13 | 2010-03-17 | 深圳诺普信农化股份有限公司 | Pesticide combination |
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Application publication date: 20130424 |