CN103053591A - Synergistic insecticidal composition containing lufenuron and pyrethroid insecticide and its application - Google Patents
Synergistic insecticidal composition containing lufenuron and pyrethroid insecticide and its application Download PDFInfo
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- CN103053591A CN103053591A CN2011103169060A CN201110316906A CN103053591A CN 103053591 A CN103053591 A CN 103053591A CN 2011103169060 A CN2011103169060 A CN 2011103169060A CN 201110316906 A CN201110316906 A CN 201110316906A CN 103053591 A CN103053591 A CN 103053591A
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- lufenuron
- pyrethroid insecticides
- synergistic insecticidal
- insecticidal compositions
- cypermethrin
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Abstract
The invention relates to a synergistic insecticidal composition containing lufenuron and a pyrethroid insecticide and its application. The synergistic insecticidal composition takes lufenuron and a pyrethroid insecticide as main effective components. The pyrethroid insecticide is any one of beta-cypermethrin, cyfluthrin, cyhalothrin, bifenthrin, alpha-cypermethrin, deltamethrin, fenvalerate, cypermethrin, fenpropathrin, silafluofen, lambda-cyhalothrin and ethofenprox. Specifically, the lufenuron and the pyrethroid insecticide are in a weight ratio of 0.1-80:0.1-50. The insecticidal composition can generate a high synergetic effect, overcomes and delays the insecticide resistance of pests, expands the prevention and control spectrum, has a fast insecticidal speed, and reduces the drug cost. The insecticidal composition provided in the invention can be used for controlling aphids, whiteflies and the like with similar resistance to Homoptera pests, and has an effect obviously higher than that of a single reagent.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides 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.Pyrethroid insecticides is at the synthetic insecticide in the basis of pyrethrum active ingredient chemical constitution research, mainly disturbs neural sodium-ion channel, causes insect death.Comprise decis (decis), cypermethrin (Xing Mianbao), sumicidin (Belmark) etc.This insecticide not only is widely used in the crops deinsectization, but also a large amount of as (kill mosquito and kill the insect such as roach bat) hygienic insecticide.Whole world pyrethrin pesticide accounts for 20% in insecticide market at present, and usable floor area accounts for 25% of whole insecticide area, and oneself has more than 50 through commercial kind.
At present, the resistance of homoptera pest increases gradually, and the agricultural chemicals single dose descends gradually to the effect of control of insect, there is no effective preparation for the control of homoptera pest.The inventor finds after deliberation, and agriculture chemical compounding can obviously improve drug effect, and can delay the generation of pest resistance.
Summary of the invention
The purpose of this invention is to provide a kind of Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides, this Pesticidal combination production cost is low, have quick-acting and the long-acting pesticidal effect.
The present invention also provides a kind of Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides to prevent and treat application in the insecticidal materials of resistance homoptera pest in preparation.
For achieving the above object, the present invention is by the network analysis to lufenuron and pyrethroid insecticides insecticidal properties, take full advantage of both mutual supplement with each other's advantages, lufenuron and pyrethroid insecticides is composite according to certain ratio, obtain Pesticidal combination of the present invention.
The objective of the invention is to be achieved through the following technical solutions:
A kind of Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides, this Synergistic insecticidal compositions is take lufenuron and pyrethroid insecticides as main active ingredient, and pyrethroid insecticides is any one in beta-cypermethrin, cyfloxylate, cyhalothrin, Biphenthrin, alpha-cypermethrin, decis, sumicidin, cypermethrin, fenpropathrin, silafluofene, gamma cyhalothrin, the ether chrysanthemum ester.Wherein, the weight ratio of lufenuron and pyrethroid insecticides is 0.1～80: 0.1～50.Be preferably 0.5～60: 0.5～40, more preferably 1～30: 1～30, most preferably be 1～10: 1～10.
In the present composition, the two weight percentage in this Synergistic insecticidal compositions of lufenuron and pyrethroid insecticides is 1%～85%, and the preferred weight percentage composition is 6%～50%, most preferably is 8%～20%.
This Synergistic insecticidal compositions is take lufenuron and pyrethroid insecticides as main active ingredient (active component) with any one formulation that allows on insecticides adjuvant and the excipients preparation agricultural chemicals, preferred missible oil, aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules, aqua, soluble liquid.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 etc., excipient comprises cyclohexanone, vegetable oil, solvent naphtha, water, antifreezing agent (such as propane diols), deionized water etc.Above auxiliary agent, excipient can be alone or and with or also add other auxiliary material.
The above-mentioned Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides is prevented and treated application in the insecticidal materials of resistance homoptera pest in preparation, and especially effect is remarkable in the insecticidal materials of the insects such as preparation prevention and control of aphides, vegetable aphid and aleyrodid.
Beneficial effect of the present invention:
The invention provides the Pesticidal combination of a kind of lufenuron and pyrethroid insecticides, it compared with prior art, can produce higher synergistic function, overcome and delayed pest resistance to insecticide, the expanding prevention spectrum, desinsection speed is fast, has reduced drug cost, and its successful is higher than its single dose to be used.
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:
Take by weighing lufenuron, beta-cypermethrin, adopting the conventional formulation method to be mixed with lufenuron and beta-cypermethrin weight percentage by different proportion respectively is 40% lufenuron r, and concrete ratio sees Table 1,2.
Employing is soaked the leaf dip method and is carried out indoor synergy biologicall test, and selecting the resistance cotten aphid is target pest, and every processing repeats 3 times, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
The Toxicity Determination of table 1 lufenuron and beta-cypermethrin Synergistic insecticidal compositions and single dose antagonism cotten aphid thereof
Data show in the table, and lufenuron and beta-cypermethrin are mixed and rear cotten aphid are had synergistic effect, and three listed in table proportioning co-toxicity coefficients are all greater than 120, so lufenuron and beta-cypermethrin are mixed and have significant synergies.
Employing is soaked the leaf dip method and is carried out indoor synergy biologicall test, and selecting the resistance aleyrodid is target pest, and every processing repeats 3 times, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
The Toxicity Determination of table 2 lufenuron and beta-cypermethrin Synergistic insecticidal compositions and single dose antagonism aleyrodid thereof
Data show in the table, and lufenuron and beta-cypermethrin are mixed and rear aleyrodid are had synergistic effect, and three listed in table proportioning co-toxicity coefficients are all greater than 120, so lufenuron and beta-cypermethrin are mixed and have significant synergies.
Embodiment 2:
Take by weighing the 2g lufenuron, 8g ether chrysanthemum ester is dissolved in the 8g vegetable oil, adds 1g ethylene glycol and 5g alkylphenol polyoxyethylene disodium sulfosuccinate again, stir.Mentioned solution is slowly poured in the excess water, supplied 100g, fully stir down, make main active ingredient weight percentage and be 10% lufenuron ether chrysanthemum ester aqueous emulsion.
Embodiment 3:
Take by weighing 8g lufenuron, 2g ether chrysanthemum ester, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 68g, it is 10% lufenuron ether chrysanthemum ester water dispersion granule that above raw material is made main active ingredient weight percentage by the method for water dispersion granule.
Adopt embodiment 2 and 3, according to every mu of ground difference medication 10g, 20g, 30g medicament, the contrast medicament is 10% ether chrysanthemum ester WP (wetting powder) 30g/ mu, 10% lufenuron AS (aqua) 30g/ mu, every mu of ground water 30kg prevention and control of aphides.4 days, 10 days, 15 days, 20 days, 30 days fruits that come to an end after the dispenser, and process, the results are shown in Table 3:
Table 3: lufenuron and ether chrysanthemum ester Synergistic insecticidal compositions are to the field test results of cotten aphid
As can be known from the above table, lufenuron ether chrysanthemum ester is composite to be better than 10% ether chrysanthemum ester wetting powder, 10% lufenuron aqua to the cotten aphid drug effect, demonstrates the superiority of prescription.
Adopt the sample of embodiment 2 and 3, according to every mu of ground difference medication 10g, 20g, 30g medicament, the contrast medicament is 10% ether chrysanthemum ester WP (wetting powder) 30g/ mu, 10% lufenuron AS (aqua) 30g/ mu, every mu of ground water 30kg control aleyrodid.4 days, 10 days, 15 days, 20 days, 30 days fruits that come to an end after the dispenser, and process, the results are shown in Table 4:
Table 4: lufenuron and ether chrysanthemum ester Synergistic insecticidal compositions are to the field test results of aleyrodid
As can be known from the above table, lufenuron ether chrysanthemum ester is composite to be better than 10% ether chrysanthemum ester wetting powder, 10% lufenuron aqua to the aleyrodid drug effect, demonstrates the superiority of prescription.
Embodiment 4:
Take by weighing 60g lufenuron, 5g silafluofene, 1g lauryl sodium sulfate, 0.5g dispersing agent NNO (sodium methylene bis-naphthalene sulfonate), add kaolin to 100g, above raw material is prepared routinely the method for wetting powder and mixed, form main active ingredient weight percentage and be 65% lufenuron silafluofene wetting powder.
Embodiment 5:
Take by weighing 2g lufenuron, 1g gamma cyhalothrin, emulsifier 1602
#4g, emulsifier 500
#2g, 1-METHYLPYRROLIDONE 4g, isopropyl alcohol 6g, vegetable oil 3g adds water to 100g, the method that above raw material is prepared microemulsion routinely drops in the mixing kettle mixes, and makes main active ingredient weight percentage and be 3% lufenuron gamma cyhalothrin microemulsion.
Embodiment 6:
Take by weighing 5g lufenuron, 45g cypermethrin, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 28g, it is 50% lufenuron cypermethrin water dispersible granules that above raw material is made main active ingredient weight percentage by the method for water dispersible granules.
Embodiment 7:
Take by weighing 6g lufenuron, 16g sumicidin, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, add water to 100g, above raw material is prepared routinely the method for suspending agent, made main active ingredient weight percentage and be 22% lufenuron sumicidin suspending agent.
Embodiment 8:
Take by weighing 60g lufenuron, 5g decis, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, add water to 100g, above raw material is prepared routinely the method for suspending agent, made main active ingredient weight percentage and be 65% lufenuron decis suspending agent.
Embodiment 9:
Take by weighing 8g lufenuron, 50g Biphenthrin, alkylphenol polyoxyethylene 10g, phenethyl phenol polyethenoxy ether 10g, add vegetable oil to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and makes main active ingredient weight percentage and be 58% lufenuron Biphenthrin missible oil.
Embodiment 10:
Take by weighing 0.1g lufenuron, 30g cyhalothrin, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 15g, vegetable oil to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and makes main active ingredient weight percentage and be 30.1% lufenuron cyhalothrin emulsifiable concentrate.
Embodiment 11:
Take by weighing 70g lufenuron, 0.1g cyfloxylate, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 10g, add vegetable oil to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and makes main active ingredient weight percentage and be 70.1% lufenuron cyfluthrin.
Embodiment 12:
Take by weighing 5g lufenuron, 35g alpha-cypermethrin, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 38g, it is 40% lufenuron alpha-cypermethrin water dispersible granules that above raw material is made main active ingredient weight percentage by the method for water dispersion granule.
Embodiment 13:
Take by weighing 2g lufenuron, 3g fenpropathrin, emulsifier 1602
#4g, emulsifier 500
#2g, 1-METHYLPYRROLIDONE 4g, isopropyl alcohol 6g, vegetable oil 3g adds water to 100g, and the method that above raw material is prepared microemulsion routinely drops in the mixing kettle mixes, and making main active ingredient weight percentage is 5% lufenuron fenpropathrin microemulsion.
Embodiment 14:
Take by weighing 5g lufenuron, 3g cyfloxylate, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 10g, add vegetable oil to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and makes main active ingredient weight percentage and be 8% lufenuron cyfluthrin.
Embodiment 15:
Take by weighing 10g lufenuron, 10g cyfloxylate, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 10g, add vegetable oil to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and makes main active ingredient weight percentage and be 20% lufenuron cyfluthrin.
Embodiment 16:
Take by weighing 8g lufenuron, 8g cyfloxylate, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 10g, add vegetable oil to 100g, the method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and makes main active ingredient weight percentage and be 16% lufenuron cyfluthrin.
Claims (10)
1. Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides, it is characterized in that this Synergistic insecticidal compositions is take lufenuron and pyrethroid insecticides as main active ingredient, wherein, the weight ratio of lufenuron and pyrethroid insecticides is 0.1～80: 0.1～50.
2. the Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides according to claim 1 is characterized in that the weight ratio of lufenuron and pyrethroid insecticides is 0.5～60: 0.5～40 in the said composition.
3. the Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides according to claim 2 is characterized in that the weight ratio of lufenuron and pyrethroid insecticides is 1～30: 1～30 in the said composition; More preferably 1～10: 1～10.
4. the Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides according to claim 1 is characterized in that the two weight percentage in this Synergistic insecticidal compositions of lufenuron and pyrethroid insecticides is 1%～85%.
5. the Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides according to claim 4 is characterized in that the two weight percentage in this Synergistic insecticidal compositions of lufenuron and pyrethroid insecticides is 6%～50%; More preferably 8%～20%.
6. the Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides according to claim 1 is characterized in that any one formulation that allows on it is take lufenuron and pyrethroid insecticides as main active ingredient and insecticides adjuvant and excipients preparation agricultural chemicals.
7. the Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides according to claim 6 is characterized in that described formulation is missible oil, aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules or aqua.
8. the described Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides of any one according to claim 1-7 is characterized in that pyrethroid insecticides is any one in beta-cypermethrin, cyfloxylate, cyhalothrin, Biphenthrin, alpha-cypermethrin, decis, sumicidin, cypermethrin, fenpropathrin, silafluofene, gamma cyhalothrin, the ether chrysanthemum ester.
9. the Synergistic insecticidal compositions that contains lufenuron and pyrethroid insecticides claimed in claim 1 is prevented and treated application in the insecticidal materials of resistance homoptera pest in preparation.
10. application according to claim 9 is characterized in that containing the application of Synergistic insecticidal compositions in the insecticidal materials of preparation prevention and control of aphides, vegetable aphid and aleyrodid of lufenuron and pyrethroid insecticides.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444006A (en) * | 2022-10-10 | 2022-12-09 | 浙江绿岛科技有限公司 | Slow-release insecticidal aerosol and preparation method thereof |
| CN116918826A (en) * | 2023-07-17 | 2023-10-24 | 上海悦联生物科技有限公司 | A 19% high-efficiency cyhalothrin·lufenuron suspension and its preparation method |
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| CN1911034A (en) * | 2005-08-12 | 2007-02-14 | 南京第一农药有限公司 | Synergistic compound pesticide contg. high efficiency cypermethrin and lurfenuron, and its application |
| CN1911035A (en) * | 2005-08-12 | 2007-02-14 | 南京第一农药有限公司 | Synergistic compound pesticide contg. high efficiency cyfluthrin and lurfenuron, and its application |
| CN101697733A (en) * | 2009-09-30 | 2010-04-28 | 深圳诺普信农化股份有限公司 | Lufenuron-containing aqueous emulsion and preparation method thereof |
-
2011
- 2011-10-18 CN CN2011103169060A patent/CN103053591A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1911034A (en) * | 2005-08-12 | 2007-02-14 | 南京第一农药有限公司 | Synergistic compound pesticide contg. high efficiency cypermethrin and lurfenuron, and its application |
| CN1911035A (en) * | 2005-08-12 | 2007-02-14 | 南京第一农药有限公司 | Synergistic compound pesticide contg. high efficiency cyfluthrin and lurfenuron, and its application |
| CN101697733A (en) * | 2009-09-30 | 2010-04-28 | 深圳诺普信农化股份有限公司 | Lufenuron-containing aqueous emulsion and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444006A (en) * | 2022-10-10 | 2022-12-09 | 浙江绿岛科技有限公司 | Slow-release insecticidal aerosol and preparation method thereof |
| CN116918826A (en) * | 2023-07-17 | 2023-10-24 | 上海悦联生物科技有限公司 | A 19% high-efficiency cyhalothrin·lufenuron suspension and its preparation method |
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Application publication date: 20130424 |