CN102017981A - Synergistic pesticidal composition containing pymetrozine and bifenthrin and application thereof - Google Patents
Synergistic pesticidal composition containing pymetrozine and bifenthrin and application thereof Download PDFInfo
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- CN102017981A CN102017981A CN200910183489XA CN200910183489A CN102017981A CN 102017981 A CN102017981 A CN 102017981A CN 200910183489X A CN200910183489X A CN 200910183489XA CN 200910183489 A CN200910183489 A CN 200910183489A CN 102017981 A CN102017981 A CN 102017981A
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- biphenthrin
- pyrrole aphid
- aphid ketone
- insecticidal compositions
- synergistic insecticidal
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Abstract
The invention discloses a synergistic pesticidal composition containing pymetrozine and bifenthrin and application thereof. The synergistic pesticidal composition adopts pymetrozine and bifenthrin as the main effective components, wherein the weight ratio of pymetrozine to bifenthrin is 0.1-70:0.1-80. The synergistic pesticidal composition can be used for preventing and controlling resistant hemiptera pests, particularly can be used for preventing and controlling paddy delphacidae, plant louses and bemisia tabaci, and the effect is obviously higher than the application of a single dose. The synergistic pesticidal composition has a higher synergistic effect, overcomes and delays drag resistance, and expands prevention and control spectrum. The synergistic pesticidal composition has the advantages of high pesticidal speed, long duration, reduction of cost and decrease of toxicity.
Description
Technical field
The invention belongs to pesticide field, being specifically related to a kind of is the Synergistic insecticidal compositions and the application thereof of main active ingredient with pyrrole aphid ketone and Biphenthrin.
Background technology
Pyrrole aphid ketone (pymetrozine), chemical name: 4,5-dihydro-6-methyl-4-(3-pyridine methylene amino)-1,2,4-3 (2H)-ketone.Pyrrole aphid ketone is to be eliminated aphis and a kind of pyridine azomethine heterocyclic insecticidal materials of aleyrodid in the anti-of exploitation in 1988 by Switzerland Novartis Co.,Ltd, have efficient, low toxicity, high selectivity and eco-friendly characteristics, its mode of action uniqueness: mainly influence the feed behavior of insect, make its food refusal and dead.This medicine is all effective to larva and adult, and the lasting period is long, does not have any cross resistance, to the natural enemies security height.Be the high-efficiency broad spectrum insecticidal materials.Effective especially to Semiptera, be mainly used in the insect to organic phosphor and carbamate insecticides deposits yields resistance of anti-eliminate aphis section, Aleyrodidae, Cicadellidae, Delphacidae.Pyrrole aphid ketone is to mammiferous acute through skin LD50=5820mg/kg, and acute oral LD50＞2000mg/kg belongs to heterocyclic class insecticidal materials low toxicity kind.This medicine also has good interior absorption, and its systemic activity is 2～3 times of Aphox, is more than 143 times of cypermethrin.Along with the whole world is more and more paid attention to environmental protection, can increase year by year the such low toxicity of pyrrole aphid ketone, demand efficient, eco-friendly insecticidal materials, but its market price is higher.
Biphenthrin (Bifenthrin) is a kind of pyrethoid insecticides thing, miticide, chemical name: (1R, S)-cis (Z) 2,2-dimethyl-3-(2-chloro-3,3,3-three fluoro-1-acrylic) cyclopropane-carboxylic acid-2-methyl-3-phenyl benzyl ester.Insecticidal spectrum is wide, and desinsection is rapid, insect is had tag, stomach poison function, inhale fumigation action in not having.In soil, do not move, safer to environment.Be applicable to prevent and treat on the crops such as cotton, fruit tree, vegetables, tealeaves lepidopterous larvae, aleyrodid, aphid, leaf miner, tetranychid, leafhopper, etc. insect, evil mite.Be used for worm, when mite is concurrent, province's medicine saves time.Biphenthrin is to mammiferous acute through skin LD
50=54.5mg/kg, acute oral LD
50＞2000mg/kg.But this insecticide is longer independent service time, and many insects have produced resistance to it.
Semiptera insects such as rice fulgorid, Bemisia tabaci, 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, does not still have effective preparation for the control of Semiptera insect.The inventor finds that after deliberation the composite of agricultural chemicals is expanding prevention spectrum and the effective measures that improve preventive effect, still finds no the complex insecticidal composition that closes Nitenpyram and pyridalyl up to now and is used to prevent and treat resistance Semiptera insect.
Summary of the invention
The purpose of this invention is to provide a kind of Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin, this Pesticidal combination production cost is low, have quick-acting and the long-acting pesticidal effect.
The present invention also provides this desinsection to be combined in the application for preparing on the insecticidal materials of preventing and treating resistance Semiptera insect.
For achieving the above object, the present invention makes full use of both mutual supplement with each other's advantages by the network analysis to pyrrole aphid ketone and Biphenthrin insecticidal properties.
The objective of the invention is to implement by the following technical programs:
A kind of Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin, this Synergistic insecticidal compositions is main active ingredient with pyrrole aphid ketone and Biphenthrin, wherein, the weight ratio of pyrrole aphid ketone and Biphenthrin is 0.1～70: 0.1～80.The weight ratio of pyrrole aphid ketone and Biphenthrin preferred 0.5～50 in this Synergistic insecticidal compositions: 0.5～60, more preferably 1～40: 10～50.
In the above-mentioned Synergistic insecticidal compositions, the two accounts for the weight percentage 1～80% of composition pyrrole aphid ketone and Biphenthrin, and the best is 4～60%.Effective ingredient is present in the composition with the synergy effective dose in this Pesticidal combination.
This Pesticidal combination is that main active ingredient (active component) and insecticides adjuvant, excipient be mixed with pyrrole aphid ketone and Biphenthrin with pyrrole aphid ketone and Biphenthrin is that main active ingredient and insecticides adjuvant, excipients are mixed with any one formulation that allows on the agricultural chemicals.The preferred missible oil of described formulation, aqueous emulsion, microemulsion or suspending agent.Above-mentioned 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, antifreezing agent (as propane diols), deionized water etc.Above auxiliary agent, excipient can be singly with or and also can add other auxiliary material with reaching.
The various pests that Pesticidal combination antagonism Semiptera insect, particularly aphid of the present invention, Bemisia tabaci, plant hopper etc. are easy to generate resistance has good preventive effect, and effect is significantly higher than the application of pyrrole aphid ketone and the agent of Biphenthrin list.
Therefore, the present invention's Synergistic insecticidal compositions of containing pyrrole aphid ketone and Biphenthrin is prevented and treated in preparation on the insecticidal materials of resistance Semiptera insect and is used.Particularly in the insecticidal materials of preparation control water rice hopper, Bemisia tabaci and aphid, use.
" % " of the present invention is mass percent.
Pesticidal combination of the present invention compared with prior art produces following beneficial effect: (1) is compared with single agent, and present composition antagonism Semiptera insect has obviously been 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; (4) have concurrently quick-acting and long-acting; (5) compare with Biphenthrin or the agent of pyrrole aphid ketone list, produce and the use cost reduction; (6) suppress of the resistance enhancing of Semiptera insect to agricultural chemicals.
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1:
Taking by weighing pyrrole aphid ketone, Biphenthrin, to adopt the conventional formulation method to be mixed with main effectively composition quality percentage composition by different proportion be 30% pyrrole aphid ketone Biphenthrin missible oil.Concrete ratio sees Table 1,2.
Adopt rice stem infusion process to measure pyrrole aphid ketone and Biphenthrin and composite sample thereof the virulence to the paddy rice brown planthopper, every processing repeats 3 times, and every concentration is handled 30, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
Table 1 pyrrole aphid ketone and Biphenthrin compound synergic Pesticidal combination are to toxicity test and the co-toxicity coefficient of paddy rice brown planthopper
Data show in the table, and pyrrole aphid ketone and the Biphenthrin 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 pyrrole aphid ketone and Biphenthrin are mixed and have significant synergies.Wherein the ratio when Biphenthrin and pyrrole aphid ketone is 5: 1 mixed synergies maximums.
Employing is soaked the leaf dip method and is measured pyrrole aphid ketone and Biphenthrin and composite sample thereof the virulence to wheat aphid, and every processing repeats 3 times, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
Table 2 pyrrole aphid ketone and Biphenthrin compound synergic Pesticidal combination are to the toxicity test and the co-toxicity coefficient of wheat aphid
As can be seen from Table 2, pyrrole aphid ketone and Biphenthrin are composite to have synergistic effect to wheat aphid, and 3 listed in table ratio co-toxicity coefficients are 5: 1 o'clock co-toxicity coefficient maximums with Biphenthrin and pyrrole aphid ketone ratio wherein all greater than 120, are 175.52.
Embodiment 2:
Take by weighing 12.5g pyrrole aphid ketone, 12.5g Biphenthrin, 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 preparation 25% pyrrole aphid ketone Biphenthrin missible oil.
Adopt the field trial that sample carries out control in field paddy rice brown planthopper that embodiment 2 joins, the contrast medicament is 25% pyrrole aphid ketone WP and 25% Biphenthrin EW, 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, result of the test sees Table 3:
Table 3 example 2 samples are to the field test results of paddy rice brown planthopper
2 pairs of paddy rice brown planthoppers of example have fabulous quick-acting as can be seen from Table 3, and the lasting period is long, in the field performance well, are the outstanding medicaments of control paddy rice brown planthopper.
Adopt the field trial that sample carries out the control in field wheat aphid that embodiment 2 joins, the contrast medicament is 25% pyrrole aphid ketone and 25% Biphenthrin EW, 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, result of the test sees Table 4:
Table 4 example 2 samples are to the field test results of wheat aphid
2 pairs of wheat aphids of example have fabulous quick-acting as can be seen from Table 4, and the lasting period is long, in the field performance well, are the outstanding medicaments of control wheat aphid.
Embodiment 3:
Take by weighing 1g pyrrole aphid ketone, 10g Biphenthrin, phenethyl phenol polyethenoxy ether 8g, calcium dodecyl benzene sulfonate 10g, dimethylbenzene to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms pyrrole aphid ketone Biphenthrin missible oil.
Embodiment 4:
Take by weighing 2g pyrrole aphid ketone, 20g Biphenthrin, 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, former medicine, solvent, emulsifier, cosolvent mix stirring and form oil phase, and n-butanol and the water-soluble formation water of separating slowly add water in the oil phase under the clipper effect and go, and continue to shear 10～30 minutes, form 22% pyrrole aphid ketone Biphenthrin emulsion in water.
Embodiment 5:
Take by weighing 40g pyrrole aphid ketone, 40g Biphenthrin, naphthalene sulfonate 2g, lignin 8g, add to 100g, above raw material is mixed in micronizer, form 80% pyrrole aphid ketone Biphenthrin wetting powder with kaolin.
Embodiment 6:
Take by weighing 2g pyrrole aphid ketone, 10g Biphenthrin, calcium dodecyl benzene sulfonate 5g, alkylphenol polyoxyethylene 4g, the pyrrolidones of 30g dimethylbenzene and 15g, all the other waters are supplied, former medicine, solvent, emulsifier, cosolvent mix stirring and form homogeneous phase transparent solution, slowly add entry then and stir the formation clear solution, be 12% pyrrole aphid ketone Biphenthrin microemulsion.
Embodiment 7:
Take by weighing 45g pyrrole aphid ketone, 20g Biphenthrin, the 2g of lignin salt, 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 is supplied 100g, forms 65% pyrrole aphid ketone Biphenthrin suspending agent under the effect of sand mill.
Embodiment 8:
Take by weighing 0.5g pyrrole aphid ketone, 0.5g Biphenthrin, 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 preparation 1% pyrrole aphid ketone-Biphenthrin missible oil.
Embodiment 9:
Take by weighing 5g pyrrole aphid ketone, 45g Biphenthrin, the 8g of wooden sodium sulfonate, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 28g forms 50% pyrrole aphid ketone Biphenthrin water dispersible granules with above raw material by the method for water dispersion granule.
Embodiment 10:
Take by weighing 20g pyrrole aphid ketone, 30g Biphenthrin, 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 50% pyrrole aphid ketone Biphenthrin missible oil.
Embodiment 11:
Take by weighing 40g pyrrole aphid ketone, 25g Biphenthrin, 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 65% pyrrole aphid ketone Biphenthrin missible oil.
Claims (9)
1. a Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin is characterized in that this Synergistic insecticidal compositions is main active ingredient with pyrrole aphid ketone and Biphenthrin, and wherein, the weight ratio of pyrrole aphid ketone and Biphenthrin is 0.1～70: 0.1～80.
2. the Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin according to claim 1 is characterized in that the pyrrole aphid ketone of this Synergistic insecticidal compositions and the weight ratio of Biphenthrin are 0.5～50: 0.5～60.
3. the Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin according to claim 2 is characterized in that the pyrrole aphid ketone of this Synergistic insecticidal compositions and the weight ratio of Biphenthrin are 1～40: 10～50.
4. the Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin according to claim 1 is characterized in that the two weight percentage that accounts for composition of pyrrole aphid ketone and Biphenthrin is 1～80%.
5. the Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin according to claim 4 is characterized in that the two weight percentage that accounts for composition of pyrrole aphid ketone and Biphenthrin is 4～60%.
6. the Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin according to claim 1 is characterized in that it is that main active ingredient and insecticides adjuvant, excipients are mixed with any one formulation that allows on the agricultural chemicals with pyrrole aphid ketone and Biphenthrin.
7. the Synergistic insecticidal compositions that contains pyrrole aphid ketone and Biphenthrin 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 pyrrole aphid ketone and Biphenthrin of claim 1 is prevented and treated the application on 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, Bemisia tabaci and aphid that contains Nitenpyram and pyridalyl of claim 1.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999395A (en) * | 2010-11-22 | 2011-04-06 | 陕西美邦农药有限公司 | Insecticidal composition containing pymetrozine |
| CN102498985A (en) * | 2011-11-03 | 2012-06-20 | 福建省农业科学院植物保护研究所 | Method for preventing and controlling green soy bean bemisia tabaci by utilizing combination of Japanese serangium japonicum and trap crop |
| CN104904740A (en) * | 2015-06-16 | 2015-09-16 | 山东省农业科学院植物保护研究所 | Compound pesticide for preventing aphis pomi and preparation method thereof |
-
2009
- 2009-09-22 CN CN 200910183489 patent/CN102017981B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999395A (en) * | 2010-11-22 | 2011-04-06 | 陕西美邦农药有限公司 | Insecticidal composition containing pymetrozine |
| CN101999395B (en) * | 2010-11-22 | 2013-11-27 | 陕西美邦农药有限公司 | Insecticidal composition containing pymetrozine |
| CN102498985A (en) * | 2011-11-03 | 2012-06-20 | 福建省农业科学院植物保护研究所 | Method for preventing and controlling green soy bean bemisia tabaci by utilizing combination of Japanese serangium japonicum and trap crop |
| CN104904740A (en) * | 2015-06-16 | 2015-09-16 | 山东省农业科学院植物保护研究所 | Compound pesticide for preventing aphis pomi and preparation method thereof |
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