CN103053607A - Synergistic insecticidal composition containing lufenuron and profenofos and application - Google Patents
Synergistic insecticidal composition containing lufenuron and profenofos and application Download PDFInfo
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- CN103053607A CN103053607A CN2011103176971A CN201110317697A CN103053607A CN 103053607 A CN103053607 A CN 103053607A CN 2011103176971 A CN2011103176971 A CN 2011103176971A CN 201110317697 A CN201110317697 A CN 201110317697A CN 103053607 A CN103053607 A CN 103053607A
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- lufenuron
- profenofos
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- insecticidal composition
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Abstract
The invention discloses a synergistic insecticidal composition containing lufenuron and profenofos and an application, the synergistic insecticidal composition takes lufenuron and profenofos as main effective components, wherein the weight ratio of lufenuron to profenofos is 0.1-80:0.5-80. The synergistic insecticidal composition has high cooperative synergistic function, the pest resistance to insecticides can be overcome and prolonged, the insecticidal speed is fast, the lasting period is long, the medication cost is reduced, and the effect of the synergistic insecticidal composition is obviously higher than the usage of its single dosage. The synergistic insecticidal composition containing pymetrozine and lufenuron can be used for preventing and treating homopteran pests on crops, and especially used for preventing and treating rice planthopper and aphid, and the effect of the synergistic insecticidal composition is obviously higher than the usage of its single dosage.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of compound pesticide compositions that contains lufenuron and Profenofos and uses thereof.
Background technology
Lufenuron (Lufenuron), chemical name: RS)-and 1-[2,5-two chloro-4-(1,1,2,3,3,3-hexafluoro propoxyl group) phenyl]-3-(2,6-difluoro benzoyl) urea, white crystal, 164.7～167.7 ℃ of fusing points, vapour pressure＜1.2 * 10
- 9Pa (25 ℃), and the dissolution with solvents degree (20 ℃, g/L): methyl alcohol 41, acetone 460, toluene 72, n-hexane 0.13, n-octyl alcohol 8.9.Stability: stable under air, illumination, DT50:32 days (pH9), 70 days (pH7), 160 days (pH5) in water.Structural formula is:
Lufenuron is latest generation substituted urea class insecticide.Medicament is by acting on insect larvae, stoping the decortication process to kill off the insect pests, especially the food leaf caterpillars such as fruit tree there is outstanding preventive effect, thrips, rust mite, trialeurodes vaporariorum there are unique mechanism of killing, are suitable for control pyrethroid and organophosphorous pesticide are produced resistant insect.The lasting period of medicament is long, is conducive to reduce the laxative number of times; To crop safety, corn, vegetables, oranges and tangerines, cotton, potato, grape, Soybean and Other Crops all can be used, and are suitable for Integrated pest and administer.Medicament can not cause that sucking pest is rampant again, to the adult of beneficial insect and pounce on feeding habits spider action temperature and.The lasting medicine of lufenuron, resistance of rainwater washing against has selectivity to useful arthropods adult.After the medication, first effect slowly has the ovicidal function, can kill new product worm's ovum, 2～3 days fruits that take effect after the dispenser.To honeybee and hornet low toxicity, to mammal Acarus tritici low toxicity, can use during honeybee producting honey.Relatively more safer than organic phosphor, carbamate chemicals for agriculture, can be used as good mixed agent and use, lepidoptera pest there is good preventive effect.
Profenofos is the moderate toxicity insecticide.Chemical formula: O-(4-bromo-2-chlorphenyl)-O-ethyl-S-propyl group-thiophosphate, structural formula is:
This insecticide, has no stimulation to skin without carcinogenic, teratogenesis, mutagenesis without chronic toxicity, and is poisonous to fish, bird, honeybee.Profenofos belongs to the asymmetric high osmosis type broad-spectrum organophosphorous pesticide of ternary, has to tag and stomach toxicity, stifling, straight osmosis, can directly permeate in blade and polypide, thoroughly kill hide in blade in (back side), the paddy field, the fruit neutralization pierces stalk.Profenofos is the thiophosphate insecticides that a kind of molecule contains positive rosickyite base, and its insecticidal spectrum is wide, easily biological-degradable, and the antagonism insect shows high biologically active.Can be used for preventing and treating the insects such as cotton bollworm on the crops such as paddy rice, cotton, fruit tree, vegetables, two paddy stem borers (borer) beet webworm, rice water weevil, Liriomyza, small brown rice planthopper, scotellaris, heart-eating worm, aphid.
But rice fulgorid and aphid are under the condition of present long-term prescription, and resistance increases gradually, and the agricultural chemicals single dose descends gradually to the effect of control of insect.The inventor finds that after deliberation the synergistic complex of agricultural chemicals is expanding prevention spectrum and the effective measures that improve preventive effect, not yet finds up to now the Pesticidal combination of relevant lufenuron and Profenofos.
Summary of the invention
The purpose of this invention is to provide a kind of compound pesticide compositions that contains lufenuron and Profenofos, this Pesticidal combination is the multifunctional insecticide composition of control homoptera pest.
Another object of the present invention provides this Pesticidal combination and prevents and treats application on the insecticidal materials of resistance homoptera pest in preparation, particularly the application on the insecticidal materials of preparation control aleyrodid, plant hopper or aphid.
The objective of the invention is to be achieved through the following technical solutions:
A kind of compound pesticide compositions that contains lufenuron and Profenofos, this Pesticidal combination is take lufenuron and Profenofos as main active ingredient, and wherein, the weight ratio of lufenuron and Profenofos is 0.1～80: 0.5～80.Be preferably 0.5～50: 2～50, more preferably 0.5～10: 4～30.Effective ingredient is present in the composition with the synergy effective dose in this Pesticidal combination.
In compound pesticide compositions of the present invention, the two weight percentage in this compound pesticide compositions of lufenuron and Profenofos is 3%～80%.Be preferably 5%～55%, most preferably 10%～40%.
Compound pesticide compositions of the present invention take lufenuron and Profenofos as main active ingredient and insecticides adjuvant and excipient be mixed with any one formulation that allows on the agricultural chemicals, the preferred missible oil of described formulation, suspending agent, wetting powder, aqueous emulsion, microemulsion or water dispersible granules.
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 isopropyl alcohol, vegetable oil, solvent naphtha, water, antifreezing agent (such as propane diols), deionized water etc.Above auxiliary agent, excipient and other auxiliary material can alone or and usefulness.
Compound pesticide compositions of the present invention has good preventive effect to the multiple homoptera pest of easy generation resistance; And suppress insect to the pesticide resistance generation of unitary agent (lufenuron or Profenofos are arbitrary).
A kind of compound pesticide compositions that contains lufenuron and Profenofos is prevented and treated resistance homoptera pest insecticidal materials in preparation and is used, and especially the effect on preparation control aleyrodid, plant hopper and aphid insecticidal materials is remarkable.
Beneficial effect of the present invention compared with prior art: (1) is compared with single dose, said composition antagonism homoptera pest such as rice fulgorid, aphid etc. have obvious synergistic function, overcome and have delayed pest resistance to insecticide, the expanding prevention spectrum, desinsection speed is fast, has obviously improved control efficiency; (2) reduce control recruitment, drug cost; (3) alternative high-toxic pesticide; (4) have concurrently quick-acting and long-acting; (5) compare with the Profenofos single dose with lufenuron, produce and the use cost reduction; (6) suppress homoptera pest to the resistance enhancing of agricultural chemicals, its successful is higher than its single dose to be used.
Embodiment
Embodiment 1:
Taking by weighing lufenuron, Profenofos, to adopt the conventional formulation method to be mixed with main active ingredient weight percentage by different proportion be 30% lufenuron Profenofos 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 processed 60, calculates toxicity regression equation and the lethal concentration of 50 LC of each medicament antagonism rice fulgorid with probability value method
50, use LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient, the results are shown in Table 1:
The toxicity test of the composite and single dose antagonism rice fulgorid of table 1 lufenuron and Profenofos
As shown in Table 1, lufenuron and Profenofos are composite, and co-toxicity coefficient shows good synergistic function all greater than 120.Wherein when lufenuron and Profenofos in the time of 1: 1 synergistic effect the most obvious.
Employing is soaked the leaf dip method and is carried out indoor synergy biologicall test, and selecting the resistance wheat aphid is target pest, and every processing repeats 3 times, calculates toxicity regression equation and the lethal concentration of 50 LC of each medicament antagonism rice fulgorid with probability value method
50, use LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient, the results are shown in Table 2:
The toxicity test of the composite and single dose antagonism wheat aphid of table 2 lufenuron and Profenofos
As shown in Table 2, lufenuron and Profenofos are composite, and the co-toxicity coefficient of wheat aphid all greater than 120, is shown good synergistic function.Wherein when lufenuron and Profenofos in the time of 1: 1 synergistic effect the most obvious.
Embodiment 2:
Take by weighing 5g lufenuron, 50g Profenofos, phenethyl phenol polyethenoxy ether phosphate 3g, agricultural newborn 33#2g, alkylphenol polyoxyethylene 1g, vegetable oil 13g adds water to 100g.The method that above raw material is prepared aqueous emulsion routinely drops into the mixing kettle high speed mixes, and forms main active ingredient weight percentage and be 55% lufenuron profenofos emulsion in water.
Embodiment 3:
Take by weighing 2g lufenuron, 30g Profenofos, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agricultural newborn 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g adds water to 100g.The method that above raw material is prepared microemulsion routinely drops in the mixing kettle mixes, and forms main active ingredient weight percentage and be 32% lufenuron Profenofos microemulsion.
Embodiment 3 is prevented and treated the Brown Planthopper test of pesticide effectiveness, the contrast medicament is 32% Profenofos EC (missible oil) and 32% lufenuron EW (aqueous emulsion), extension rate according to 3 li of forms dilutes, the consumption medication of pressing 30Kg/ mu after the dilution, looked into behind the medicine 2 days, the result of 5 days and 10 days, result sees Table 3:
Table 3: the composite field test results to Brown Planthopper of lufenuron Profenofos
Field efficacy is the result show, lufenuron Profenofos composition antagonism brown planthopper has good control efficiency, and control efficiency all is better than the effect that the single dose kind is better than direct each Dan Pin of while.
Embodiment 3 is prevented and treated the wheat aphid field medicine effect test, the contrast medicament is 32% Profenofos EC (missible oil) and 32% lufenuron EW (aqueous emulsion), extension rate according to 3 li of forms dilutes, the consumption medication of pressing 30Kg/ mu after the dilution, looked into behind the medicine 2 days, the result of 5 days and 10 days, result sees Table 4:
Table 4: the composite field test results to wheat aphid of lufenuron-Profenofos
Field efficacy is the result show, lufenuron Profenofos composition antagonism wheat aphid has good control efficiency, and control efficiency all is better than the effect that the single dose kind is better than direct each Dan Pin of while.
Embodiment 4:
Take by weighing 1g lufenuron, 5g Profenofos, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, vegetable oil 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 6% lufenuron Profenofos missible oil.
Embodiment 5:
Take by weighing 50g lufenuron, 20g Profenofos, calcium dodecyl benzene sulfonate 5g, 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 main active ingredient weight percentage and be 70% lufenuron Profenofos missible oil.
Embodiment 6:
Take by weighing 2g lufenuron, 40g Profenofos, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, dimethylbenzene are 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 42% lufenuron Profenofos missible oil.
Embodiment 7:
Take by weighing 0.2g lufenuron, 50g Profenofos, calcium dodecyl benzene sulfonate 9g, phenethyl phenol polyethenoxy ether 8g, vegetable oil are 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 50.2% lufenuron Profenofos missible oil.
Embodiment 8:
Take by weighing 5g lufenuron, 0.5g Profenofos, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, vegetable oil are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, form main active ingredient weight percentage and be 5.5% lufenuron Profenofos missible oil.
Embodiment 9:
Take by weighing 5g lufenuron, 30g Profenofos, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, vegetable oil are 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 35% lufenuron Profenofos missible oil.
Embodiment 10:
Take by weighing 20g lufenuron, 5g Profenofos, calcium dodecyl benzene sulfonate 7g, phenethyl phenol polyethenoxy ether 9g, vegetable oil are 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% lufenuron Profenofos missible oil.
Embodiment 11:
Take by weighing 30g lufenuron, 12g Profenofos, sodium lignin sulfonate 2g, 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 complements to 100g, and the main active ingredient weight percentage of formation is 42% lufenuron Profenofos suspending agent under the effect of sand mill.
Embodiment 12:
Take by weighing 2g lufenuron, 5g Profenofos, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, diatomite 21g, it is 14% lufenuron Profenofos water dispersible granules that above raw material is formed main active ingredient weight percentage by the water dispersible granular agent method.
Embodiment 13:
Take by weighing 50g lufenuron, 3g Profenofos, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, vegetable oil are 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 53% lufenuron Profenofos missible oil.
Embodiment 14:
Take by weighing 2g lufenuron, 18g Profenofos, sodium lignin sulfonate 10g, Negel 2g, add to 100g with diatomite, above raw material is mixed in micronizer, form main active ingredient weight percentage and be 20% lufenuron Profenofos wetting powder.
Embodiment 15:
Take by weighing 7g lufenuron, 70g Profenofos, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, solvent naphtha are 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 77% lufenuron Profenofos missible oil.
Embodiment 16:
Take by weighing 60g lufenuron, 5g Profenofos, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 13g, it is 65% lufenuron Profenofos water dispersible granules that above raw material is formed main active ingredient weight percentage by the water dispersible granular agent method.
Claims (10)
1. compound pesticide compositions that contains lufenuron and Profenofos is characterized in that this Pesticidal combination take lufenuron and Profenofos as main active ingredient, and wherein, the weight ratio of lufenuron and Profenofos is 0.1～80: 0.5～80.
2. the compound pesticide compositions that contains lufenuron and Profenofos according to claim 1, the weight ratio that it is characterized in that described lufenuron and Profenofos is 0.5～50: 2～50.
3. the compound pesticide compositions that contains lufenuron and Profenofos according to claim 2, the weight ratio that it is characterized in that described lufenuron and Profenofos is 0.5～10: 4～30.
4. the compound pesticide compositions that contains lufenuron and Profenofos according to claim 1 is characterized in that the two weight percentage in this compound pesticide compositions of lufenuron and Profenofos is 3%～80%.
5. the compound pesticide compositions that contains lufenuron and Profenofos according to claim 4 is characterized in that the two weight percentage in this compound pesticide compositions of lufenuron and Profenofos is 5%～55%.
6. the compound pesticide compositions that contains lufenuron and Profenofos according to claim 5 is characterized in that the two weight percentage in this compound pesticide compositions of lufenuron and Profenofos is 10%～40%.
7. the compound pesticide compositions that contains lufenuron and Profenofos according to claim 1 is characterized in that this compound pesticide compositions take lufenuron and Profenofos as main active ingredient and insecticides adjuvant, excipients are mixed with any one formulation that allows on the agricultural chemicals.
8. the compound pesticide compositions that contains lufenuron and Profenofos according to claim 7 is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersible granules.
9. the compound pesticide compositions that contains lufenuron and Profenofos claimed in claim 1 is prevented and treated the application on the insecticidal materials of resistance homoptera pest in preparation.
The compound pesticide compositions that contains lufenuron and Profenofos according to claim 9 anti-ly eliminate aphis in preparation, the application on the insecticidal materials of aleyrodid or plant hopper.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150381A (en) * | 1994-06-08 | 1997-05-21 | 希巴-盖吉股份公司 | Synergistic composition |
| US20080293676A1 (en) * | 2004-07-20 | 2008-11-27 | Bayer Cropscience Ag | Insecticidal Agents Based on Selected Insecticides and Safeners |
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- 2011-10-18 CN CN2011103176971A patent/CN103053607A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150381A (en) * | 1994-06-08 | 1997-05-21 | 希巴-盖吉股份公司 | Synergistic composition |
| US20080293676A1 (en) * | 2004-07-20 | 2008-11-27 | Bayer Cropscience Ag | Insecticidal Agents Based on Selected Insecticides and Safeners |
Non-Patent Citations (2)
| Title |
|---|
| 《International Journal of Pest Management》 20101126 I. Javaid et al "The use of insect growth regulators for the control of insect pests of cotton" 第245-247页 1-10 第45卷, 第4期 * |
| I. JAVAID ET AL: ""The use of insect growth regulators for the control of insect pests of cotton"", 《INTERNATIONAL JOURNAL OF PEST MANAGEMENT》 * |
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Application publication date: 20130424 |