CN101700036A - Pesticide composition and application thereof - Google Patents

Pesticide composition and application thereof Download PDF

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Publication number
CN101700036A
CN101700036A CN200910164498A CN200910164498A CN101700036A CN 101700036 A CN101700036 A CN 101700036A CN 200910164498 A CN200910164498 A CN 200910164498A CN 200910164498 A CN200910164498 A CN 200910164498A CN 101700036 A CN101700036 A CN 101700036A
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China
Prior art keywords
flonicamid
cypermethrin
medicine
grams
behind
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CN200910164498A
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朱卫锋
赵爽
曹明章
文伯健
罗才宏
孔建
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Shenzhen Noposion Agrochemicals Co Ltd
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Shenzhen Noposion Agrochemicals Co Ltd
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Priority to CN200910164498A priority Critical patent/CN101700036A/en
Publication of CN101700036A publication Critical patent/CN101700036A/en
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Abstract

The invention discloses pesticide composition and application thereof to agriculture. The pesticide composition comprises the active components of flonicamid and pyrethrins insecticide, wherein the mass ratio of the flonicamid to the pyrethrins insecticide is 20:1 to 1:100. The pesticide composition has the synergistic effect, can take effect rapidly for a long time, enlarge the insecticidal spectrum and save the manpower, can be used less, is good for delaying the resistance development and is particularly suitable for preventing and treating the leafhoppers, the thrips and the aphids.

Description

A kind of composition pesticide and application thereof
Technical field
The present invention relates to a kind of composition pesticide and application thereof, be specially a kind of composition pesticide that contains flonicamid, be applied to prevent and treat the insect on the plant.
Background technology
In agricultural production process, there is a class pest to be " small worm " by peasant address usually, " small worm " has that the insect polypide is little, and disguised strong, the breeding cycle is short, and explosive strong, density is big, and generation overlap is obvious, easily produces characteristics such as resistance.Mainly comprising Homoptera, thrips, Hymenoptera and Semiptera insect in classification, is exactly this class pest as tea lesser leafhopper, thrips, aphid, plant hopper, aleyrodid, scale insect, fleahopper silk worm, liriomyza bryoniae etc.
Thrips, plant hopper, leafhopper and aphid are that crops such as melon, beans, paddy rice, fruit tree normal sends out the important insect pest of property.For example, tea lesser leafhopper is one of primary pest on the tea tree, because its breeding amount is big, explosive strong, and require the pharmacy security height on the tea tree, therefore the pharmacy variety of safe handling and effective control tea lesser leafhopper and few on tea tree is mainly used Biphenthrin in China, it is very poor that use for many years, effect have become.
In the agricultural production of reality, chemical control still is the important means of this class pest of control.Short according to this class pest breeding cycle, explosive strong, density is big, and is disguised strong, easily produces characteristics such as resistance, and the medicament of preventing and treating this class pest needs following characteristics: quick-acting good, can reduce population density fast; Hold and imitate length, a plurality of generations of controlled; Active high, thorough killing; Be difficult for producing resistance etc.It is actually rare that present stage has the effective ingredient of above characteristics simultaneously, causes relatively difficulty of this class pest of control.
Application medicaments is prevented and treated this class pest, common way one be develop have simultaneously quick-acting fast, hold and imitate long, active high, the medicament that is difficult for producing resistance; The 2nd, a method that adopts bucket to mix is blended in various medicaments with above certain feature in one barrel of water and sprays; The 3rd, it is rationally composite to adopt the medicament of suitable not same-action characteristics to carry out, and prepares composite dose of use.
Have quick-acting fast, hold imitate long, interior absorption is good, be difficult for producing the development cost height of the active ingredient of resistance, the construction cycle is long, and all is unable to catch up with the speed of insect generation resistance forever.It is provisional with subjective judgement that the medicament bucket of employing different characteristics mixes, and the amount volume does not have scientific basis less, and irrational medicament is mixed and not only can produce mutual supplement with each other's advantages, also can produce antagonism on the contrary; Even and the medicament of the synergy that is mixed, the difference of mixed ratio also can influence the performance of drug effect.
Use suitable compound drug and prevent and treat the method commonly used that this class pest (small worm) is present stage, heterogeneity carry out composite after, be synergy, addition or antagonism, unpredictable.And, have only compound synergic well to fill a prescription, obviously improve actual control efficiency, when just can have both various effect characteristics, reduced the usage amount of agricultural chemicals, reduce producing resistance risk.
Flonicamid (flonicamid) is a kind of picolinamide class insect growth regulator, IGR.Its mechanism of action uniqueness has good effects on neural system and quick antifeedant activity to insect, and traditional insecticide is not had cross resistance.Homoptera pest on the main control crop such as aphid, aleyrodid, plant hopper etc.This medicament is active high, holds to imitate length, but use separately certain resistance risk is arranged, and quick-acting is also poor.Want to make this medicament high-efficiency prevention and control " small worm " better, need carry out composite with different medicaments.At present, do not see as yet openly about the composite of flonicamid and chrysanthemum ester class medicament.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide, be characterized in higher to the plant insect activity, obvious synergistic effect is arranged, drug effect is rapid, holds to imitate the long and resistance that is difficult for producing own.Another object of the present invention is to provide the application of said composition on the control plant insect.
The present invention is achieved through the following technical solutions.
Adopt the insecticide of the different mechanisms of action and characteristics to carry out the biological activity determination of different proportionings, occur three kinds of different situations after the determination of activity of different proportionings usually: summation action, antagonism, synergistic effect.With the synergy proportioning is that effective ingredient is mixed with suitable preparation, is used to prevent and treat the insect on the crops, has the advantages that to be difficult for producing resistance.
The present invention adopts flonicamid and chrysanthemum ester insecticide to carry out composite, the chrysanthemum ester insecticide that relates to comprises decis (Deltamethrin), beta-cypermethrin (Beta cypermethrin), cypermethrin (cypermethrin), gamma cyhalothrin (Lambda-cyhalothrin), betacyfluthrin (beta-cyfluthrin), Biphenthrin (bifenthrin) and fenpropathrin (Fenpropathrin), they all are pyrethroid insecticideses, though in structure, there are differences on activity level and the effect characteristics, but the essentially identical mechanism of action is all arranged.
Technical scheme of the present invention is: it is composite to adopt flonicamid and chrysanthemum ester insecticide to carry out, and the mass ratio of flonicamid and chrysanthemum ester insecticide is 20: 1-1: 100.Described chrysanthemum ester insecticide is any one in decis, beta-cypermethrin, cypermethrin, gamma cyhalothrin, betacyfluthrin, Biphenthrin and the fenpropathrin.
The present composition is processed in actual applications and is fit to any dosage formulation that agricultural goes up use, and preferred dosage form is suspending agent, aqueous emulsion, microemulsion, water-dispersible granules, missible oil, wetting powder.
As a kind of improvement of the present invention, the mass ratio of flonicamid and chrysanthemum ester insecticide is preferably 1: 1-1: 20.
The present composition can be used for preventing and treating the insect on the plant, and it is higher to have activity simultaneously, and drug effect is rapid, holds the long and difficult characteristics that produce resistance of imitating.Be particularly useful for preventing and treating Homoptera, thrips, Hymenoptera and Semiptera insects such as plant hopper, leafhopper, wood louse, aphid, thrips, liriomyza bryoniae, fleahopper.
Composition pesticide of the present invention compared with prior art produces following beneficial effect: two kinds of active ingredients in (1) composition have synergistic effect, compare with single agent, have obviously improved control efficiency; (2) different effective ingredients have different effect characteristics, compare with single agent, have obviously improved quick-acting and lasting effect; (3) can reduce the field dosage, effectively reduce environmental pollution and residue of pesticide, reduce harm beneficial organism; (4) mechanism of action of both active ingredients is different in the composition, and the notable synergistic effect is arranged, and can delay the enhancing of insect to the medicament resistance.
Embodiment
In order to make purpose of the present invention, technical scheme and technological merit are clearer, below in conjunction with embodiment summary of the invention are described in further detail.Should be appreciated that described specific embodiment only is used to explain the present invention, and be not used in qualification the present invention.All any modifications of being made within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Embodiment one: flonicamid and chrysanthemum ester class composite reagent virulence test
1, flonicamid and beta-cypermethrin virulence test
Flonicamid and efficient cypermethrin compounded synergism test, it is tested object that cotten aphid is adopted in test.Concrete grammar is:
Cotten aphid (Aphis gossypii): test former medicine flonicamid from SUMITOMO CHEMICAL Co., Ltd., the former medicine of beta-cypermethrin is from Yangnong Chemical Co., Ltd., Jiangsu.Former medicine is mixed with according to a conventional method the test medicine that needs.Examination worm worm kind is picked up from Baoan District, Shenzhen Xixiang, and indoor cucumber seedling is raised to becoming aphid for test.Test method is with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".The cucumber leaves of 5 centimetres of diameters is put on the culture dish of 9 centimetres of diameters, spray under 15PSI pressure with the potter spray tower, ware of each spray, 2 milliliters of every ware spraying liquids, each 1 milliliter at the face of blade and the back side, dry the every ware in back and insert 30 of aptery one-tenth aphids, every processing connects 5 wares, blank spray equivalent clear water.Each processing is provided with 6-7 concentration gradient.The culture dish of handling is put into 25 ℃, cultivate in the 12H/12H illumination box, check after 24 hours and calculate lethality by dead borer population.Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament 50, estimate the activity of reagent agent to the examination worm with this.
It is co-toxicity coefficient (CTC) method that the synergy mode adopts the abundant method of passing through toxicity index calculating mixture co-toxicity that waits nineteen sixty to propose of Sun Yun.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard medicament LC 50/ reagent agent LC 50) * 100
The percentage composition of B in percentage composition+B medicament ATI * mixture of A in theoretical toxicity index (TTI)=A medicament ATI * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, then the composition performance is for antagonism, and when 80<CTC<120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Table 1 different disposal is to the cotten aphid measurement result
Handle ??LC 50(mg/L) ??AT1 ??TTI Co-toxicity coefficient CTC
Flonicamid ??1.05 ??100.00
Beta-cypermethrin ??4.25 ??24.71
Flonicamid 20+ beta-cypermethrin 1 ??0.88 ??119.32 ??96.41 ??123.76
Flonicamid 10+ beta-cypermethrin 1 ??0.63 ??166.67 ??93.16 ??178.91
Flonicamid 1+ beta-cypermethrin 1 ??0.68 ??154.41 ??62.35 ??247.64
Flonicamid 1+ beta-cypermethrin 10 ??1.23 ??85.37 ??31.55 ??270.57
Flonicamid 1+ beta-cypermethrin 20 ??1.67 ??62.87 ??28.29 ??222.24
Flonicamid 1+ beta-cypermethrin 40 ??2.35 ??44.68 ??26.54 ??168.34
Flonicamid 1+ beta-cypermethrin 60 ??2.68 ??39.18 ??25.94 ??151.04
Flonicamid 1+ beta-cypermethrin 80 ??2.98 ??35.23 ??25.64 ??137.45
Flonicamid 1+ beta-cypermethrin 100 ??3.12 ??33.65 ??25.45 ??132.23
As seen from Table 1, flonicamid and efficient cypermethrin compounded, mass ratio are 20: 1-1:, the CTC of cotten aphid all greater than 120, is had synergistic effect at 100 o'clock.Be 1 with flonicamid and beta-cypermethrin mass ratio again: 1-1: CTC was obviously higher in 20 o'clock, illustrated that synergy is more obvious under this proportioning.
2, flonicamid and gamma cyhalothrin virulence test
Flonicamid and high-efficient lambda-cyhalothrin compound synergism test, it is tested object that the green plant bug on the jujube tree is adopted in test.Concrete grammar is:
Green plant bug (Lygocoris lucor μ m): the examination worm is picked up from the Shandong Zhanhua.Test former medicine flonicamid from SUMITOMO CHEMICAL Co., Ltd., the former medicine of gamma cyhalothrin is from Yangnong Chemical Co., Ltd., Jiangsu.Former medicine is mixed with according to a conventional method the test medicine that needs.Test method adopts leaf dipping method with reference to " the agricultural industry criteria NY/T1154.14-2008 of the People's Republic of China (PRC) " and " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".The jujube tree leaf was soaked soup 5 seconds, take out dry after, encase petiole with the absorbent cotton that soaks and put into conical flask, green plant bug is put into conical flask, 20 every glass, putting temperature and be 27 ℃, photoperiod is 16h: 8h (L: raise in incubator D).The clear water contrast, each concentration repeats 3 times.Check dead borer population after 48 hours, calculate lethality.Data processing and virulence evaluation method are the same.
Table 2 different disposal is to the toxicity test result of green plant bug
Handle ??LC 50(mg??/L) ??AT1 ??TTI Co-toxicity coefficient CTC
Flonicamid ??1.86 ??100.00
Gamma cyhalothrin ??6.54 ??28.44
Flonicamid 20+ gamma cyhalothrin 1 ??1.42 ??130.99 ??96.41 ??135.86
Flonicamid 10+ gamma cyhalothrin 1 ??1.16 ??160.34 ??93.16 ??172.13
Flonicamid 1+ gamma cyhalothrin 1 ??1.21 ??153.72 ??62.35 ??246.53
Flonicamid 1+ gamma cyhalothrin 10 ??2.21 ??84.16 ??31.55 ??266.75
Flonicamid 1+ gamma cyhalothrin 20 ??2.35 ??79.15 ??28.29 ??279.76
Flonicamid 1+ gamma cyhalothrin 40 ??3.68 ??50.54 ??26.54 ??190.43
Flonicamid 1+ gamma cyhalothrin 60 ??3.98 ??46.73 ??25.94 ??180.16
Flonicamid 1+ gamma cyhalothrin 80 ??4.65 ??40.00 ??25.64 ??156.03
Flonicamid 1+ gamma cyhalothrin 100 ??5.65 ??32.92 ??25.45 ??129.35
As seen from Table 2, flonicamid and high-efficient lambda-cyhalothrin compound, mass ratio are 20: 1-1:, the CTC of green plant bug all greater than 120, is had synergistic effect at 100 o'clock.Be 1 with flonicamid and gamma cyhalothrin mass ratio again wherein: 1-1: CTC was obviously higher in 20 o'clock, illustrated that synergy is more obvious under this proportioning.
3, flonicamid and betacyfluthrin virulence test
Flonicamid and the test of betacyfluthrin compound synergic, flower thrips (Frankliniella intonsa) adult that test adopts cowpea to raise is a tested object, concrete grammar is: test former medicine flonicamid from SUMITOMO CHEMICAL Co., Ltd., the former powder of betacyfluthrin is from Yangnong Chemical Co., Ltd., Jiangsu.Former medicine is mixed with according to a conventional method the test medicine that needs.Test method adopts leaf dipping method with reference to " the agricultural industry criteria NY/T1154.14-2008 of the People's Republic of China (PRC) " and " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".Adopt the beans leaf dish of diameter 1cm to soak soup 5 seconds, clear water is soaked in contrast, puts into dactylethrae after taking-up is dried, and every dactylethrae inserts 20 thrips adults.Fruit came to an end after 48 hours.Check result, data are handled identical with the test of aphid virulence with the virulence evaluation method.
Table 3 different disposal is to the toxicity test result of flower thrips
Handle ??LC 50??(mg/L) ??AT1 ??TTI Co-toxicity coefficient CTC
Flonicamid ??2.12 ??100.00
Betacyfluthrin ??8.65 ??24.51
Flonicamid 20+ betacyfluthrin 1 ??1.55 ??136.77 ??96.41 ??141.86
Flonicamid 10+ betacyfluthrin 1 ??1.23 ??172.36 ??93.16 ??185.02
Flonicamid 1+ betacyfluthrin 1 ??1.35 ??157.04 ??62.35 ??251.85
Flonicamid 1+ betacyfluthrin 10 ??1.68 ??126.19 ??31.55 ??399.96
Flonicamid 1+ betacyfluthrin 20 ??2.21 ??95.93 ??28.29 ??339.07
Flonicamid 1+ betacyfluthrin 40 ??4.56 ??46.49 ??26.54 ??175.16
Flonicamid 1+ betacyfluthrin 60 ??5.68 ??37.32 ??25.94 ??143.88
Flonicamid 1+ betacyfluthrin 80 ??5.94 ??35.69 ??25.64 ??139.22
Flonicamid 1+ betacyfluthrin 100 ??6.66 ??31.83 ??25.45 ??125.07
As seen from Table 3, flonicamid and betacyfluthrin are composite, and mass ratio is 20: 1-1:, the CTC of flower thrips all greater than 120, is had synergistic effect at 100 o'clock.Be 1 with flonicamid and betacyfluthrin mass ratio again wherein: 1-1: CTC was obviously higher in 20 o'clock, illustrated that synergy is more obvious under this proportioning.
4, flonicamid and Biphenthrin virulence test
Flonicamid and the test of Biphenthrin compound synergic, it is tested object that tea lesser leafhopper is adopted in test.
Concrete grammar is:
Tea lesser leafhopper (Empoasca vitis Gothe): the examination worm is picked up from the Mei County, Guangdong.Test former medicine flonicamid from SUMITOMO CHEMICAL Co., Ltd., the former medicine of Biphenthrin is from Yangnong Chemical Co., Ltd., Jiangsu.Former medicine is mixed with according to a conventional method the test medicine that needs.Test method adopts leaf dipping method with reference to " the agricultural industry criteria NY/T1154.14-2008 of the People's Republic of China (PRC) " and " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".The tea tree leaf was soaked soup 5 seconds, take out dry after, encase petiole with the absorbent cotton that soaks and put into conical flask, tea lesser leafhopper is put into conical flask, 20 every glass, putting temperature and be 27 ℃, photoperiod is 16h: 8h (L: raise in incubator D).The clear water contrast, each concentration repeats 3 times.Check dead borer population after 48 hours, calculate lethality.Data processing and virulence evaluation method are the same.
Table 4 different disposal is to the toxicity test result of tea lesser leafhopper
Handle ??LC 50(mg??/L) ??AT1 ??TTI Co-toxicity coefficient CTC
Flonicamid ??1.68 ??100.00
Biphenthrin ??8.56 ??19.63
Flonicamid 20+ Biphenthrin 1 ??1.23 ??136.59 ??96.41 ??141.66
Flonicamid 10+ Biphenthrin 1 ??1.35 ??124.44 ??93.16 ??133.59
Flonicamid 1+ Biphenthrin 1 ??1.01 ??166.34 ??62.35 ??266.77
Flonicamid 1+ Biphenthrin 10 ??1.35 ??124.44 ??31.55 ??394.43
Flonicamid 1+ Biphenthrin 20 ??2.21 ??76.02 ??28.29 ??268.70
Flonicamid 1+ Biphenthrin 40 ??4.56 ??36.84 ??26.54 ??138.81
Flonicamid 1+ Biphenthrin 60 ??5.16 ??32.56 ??25.94 ??125.51
Flonicamid 1+ Biphenthrin 80 ??5.21 ??32.25 ??25.64 ??125.79
Flonicamid 1+ Biphenthrin 100 ??5.44 ??30.88 ??25.45 ??121.34
As seen from Table 4, flonicamid and Biphenthrin are composite, and mass ratio is 20: 1-1:, the CTC of tea lesser leafhopper all greater than 120, is had synergistic effect at 100 o'clock.Be 1 with flonicamid and Biphenthrin mass ratio again wherein: 1-1: CTC was obviously higher in 20 o'clock, illustrated that synergy is more obvious under this proportioning.
Embodiment two: flonicamid and preparation of efficient cypermethrin compounded preparation and medicament field trial
Former medicine 5.12 grams of 97.6% flonicamid
Former medicine 5.26 grams of 95% beta-cypermethrin
Dimethylbenzene 10.5 grams
Neopelex 5.5 grams
Phenol formaldehyde resin APEO 4.8 grams
Xanthans 0.5 gram
Deionized water adds to 100 grams
With above component by the amount of prescription according to the processing that feeds intake of conventional aqueous emulsion processing method, after shear agitation is even, makes 100 and restrain 10% flonicamid high performance aqueous emulsion of cypermethrin (mass ratio of flonicamid and beta-cypermethrin is 1: 1).
10% flonicamid high performance aqueous emulsion of cypermethrin by the spraying of effective ingredient 35 gram/hectare thin ups, is used to prevent and treat cabbage aphid.1 day control efficiency is that 99.8%, 30% flonicamid aqueous emulsion and 4.5% high performance aqueous emulsion of cypermethrin use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 63.7% and 86.2% behind the medicine.Significant difference.Show that composite dose of quick-acting is strong, can effectively reduce population density.
Continue the investigation prevention effect behind the medicine after 14 days, 10% flonicamid high performance aqueous emulsion of cypermethrin control efficiency is 85.6%, 30% flonicamid aqueous emulsion and 18% high performance aqueous emulsion of cypermethrin are according to using with quadrat method and dosage, and 14 days preventive effects are respectively 70.3% and 15.8% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment three: flonicamid and preparation of high-efficient lambda-cyhalothrin compound preparation and medicament field trial
Former medicine 10.33 grams of 97.6% flonicamid
Former medicine 1.1 grams of 95% gamma cyhalothrin
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 5.5 grams
Methyl naphthalene sulfonate formaldehyde condensate 4.9 grams
Xanthans 0.8 gram
Water adds to 100 grams
The amount of above component by prescription mixed, after sand mill grinds, obtain 100 gram 11% flonicamid gamma cyhalothrin suspending agents (mass ratio of flonicamid and gamma cyhalothrin is 10: 1).
11% flonicamid gamma cyhalothrin suspending agent by the spraying of effective ingredient 30 gram/hectare thin ups, is used to prevent and treat the plastic tent cucumber Bemisia tabaci.1 day control efficiency is that 97.3%, 24% flonicamid suspending agent and 5% gamma cyhalothrin suspending agent use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 62.2% and 86.4% behind the medicine.Significant difference.Show that composite dose of quick-acting is strong, can effectively reduce population density.
Go ahead with one's investigation after 14 days behind the medicine to the Bemisia tabaci control efficiency, 11% flonicamid gamma cyhalothrin suspending agent control efficiency is 86.4%, 24% flonicamid suspending agent and 5% gamma cyhalothrin suspending agent are according to using with quadrat method and dosage, and 14 days preventive effects are respectively 59.7% and 29.6% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment four: flonicamid and preparation of fenpropathrin complex preparation and medicament field trial
Former medicine 2.56 grams of 97.6% flonicamid
Former medicine 52.63 grams of 95% fenpropathrin
Poly-naphthaldehyde sulfonate sodium 5.6 grams
Calcium dodecyl benzene sulfonate 4.6 grams
Dimethyl formamide 5.8 grams
Toluene adds to 100 grams
The amount of above component by prescription mixed, fully stir and obtain 100 gram 52.5% flonicamid fenpropathrin milk oils (mass ratio of flonicamid and fenpropathrin is 1: 20).
52.5% flonicamid fenpropathrin milk oil by the spraying of effective ingredient 40 gram/hectare thin ups, is used to prevent and treat the citrus trialeurodes vaporariorum.1 day control efficiency is that 94.4%, 10% flonicamid missible oil and 10% fenpropathrin milk oil use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 73.6% and 80.6% behind the medicine.Significant difference.Show composite dose active high, quick-acting is good, can effectively reduce population density.
Continue the investigation prevention effect behind the medicine after 21 days, 52.5% flonicamid fenpropathrin milk oil control efficiency is 79.3%, 10% flonicamid missible oil and 10% fenpropathrin milk oil are according to using with quadrat method and dosage, and 21 days preventive effects are respectively 55.6% and 19.2% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment five: flonicamid and decis complex preparation and field trial
Former medicine 1.02 grams of 97.6% flonicamid
95% deltamethrin original medicine, 84.21 grams
Alkylaryl polyoxyethylene polyoxypropylene ether 2.1 grams
Poly-naphthaldehyde sulfonate sodium 2.1 grams
Lauryl sodium sulfate 1 gram
Ammonium sulfate 4.1 grams
Precipitated calcium carbonate adds to 100 grams
The consumption of above component by prescription mixed, become wetting powder, add a certain amount of water mixing extruding again and make material through comminution by gas stream.Obtain the diffusing property granula (mass ratio between flonicamid and the decis is 1: 80) of 81% flonicamid decis water after the drying screening.
This prescription is used to prevent and treat the flower thrips on the cowpea by the spraying of effective ingredient 60 gram/hectare thin ups.1 day control efficiency is that 98.5%, 70% flonicamid water-dispersible granules and 50% decis water-dispersible granules use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 80.2% and 78.1% behind the medicine.Significant difference.Show composite dose active high, quick-acting is good, can effectively reduce population density.
Go ahead with one's investigation after 14 days behind the medicine to the flower thrips control efficiency, the diffusing property granula agent control efficiency of 81% flonicamid decis water is 83.5%, 70% flonicamid water-dispersible granules and 50% decis water-dispersible granules are according to using with quadrat method and dosage, and 14 days preventive effects are respectively 70.1% and 46.4% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment six: flonicamid and cypermethrin compounded preparation and field trial
Former medicine 1.02 grams of 97.6% flonicamid
95% cypermethrin technical material, 21.05 grams
N-Methyl pyrrolidone (solvent) 10.8 grams
Dimethyl sulfoxide (DMSO) (cosolvent) 10.2 grams
Dimethylbenzene (emulsifier) 4.5 grams
Water complements to 100 grams
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With the mixed water that gets of water-soluble component, oily molten component and water; Under high-speed stirred, oil phase is mixed with water, make 21% flonicamid cypermethrin microemulsion (mass ratio between flonicamid and the cypermethrin is 1: 20).
This prescription is used to prevent and treat the thrips on the cucumber by the spraying of effective ingredient 50 gram/hectare thin ups.1 day control efficiency is that 95.4%, 40% flonicamid microemulsion and 20% cypermethrin microemulsion use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 79.6% and 86.9% behind the medicine.Significant difference.Show composite dose active high, quick-acting is good, can effectively reduce population density.
Continue the investigation prevention effect behind the medicine after 14 days, 21% flonicamid cypermethrin microemulsion control efficiency is 79.6%, 40% flonicamid microemulsion and 20% cypermethrin microemulsion are according to using with quadrat method and dosage, and 14 days preventive effects are respectively 58.2% and 32.4% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment seven: flonicamid and Biphenthrin complex preparation and field trial
Former medicine 0.205 gram of 97.6% flonicamid
Former medicine 21.05 grams of 95% Biphenthrin
Neopelex (emulsifier) 5.5 grams
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether (emulsifier) 5 grams
Dimethylbenzene (solvent) 15.5 grams
Dimethyl sulfoxide (DMSO) (cosolvent) 3.5 grams
Water complements to 100 grams
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; Under high-speed stirred, oil phase is mixed with water, make 20.2% flonicamid Biphenthrin emulsion in water (mass ratio between flonicamid and the Biphenthrin is 1: 100).
This prescription is used to prevent and treat tea lesser leafhopper by the spraying of effective ingredient 60 gram/hectare thin ups.1 day control efficiency is that 96.4%, 5% flonicamid aqueous emulsion and 20% Biphenthrin emulsion in water use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 68.7% and 83.3% behind the medicine.Significant difference.Show composite dose active high, quick-acting is good, can effectively reduce population density.
Continue the investigation prevention effect behind the medicine after 14 days, 20.2% flonicamid Biphenthrin emulsion in water control efficiency is 82.6%, 5% flonicamid aqueous emulsion and 20% Biphenthrin emulsion in water are according to using with quadrat method and dosage, and 14 days preventive effects are respectively 58.6% and 58.2% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment eight: flonicamid and betacyfluthrin complex preparation and field trial
Former medicine 1.02 grams of 97.6% flonicamid
Former medicine 21.05 grams of 95% betacyfluthrin
N-Methyl pyrrolidone 12.0 grams
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 5.2 grams
Dimethylbenzene is supplied 100 grams
Above component is added in the mixing kettle successively by prescription, stir, make 21% flonicamid betacyfluthrin missible oil (mass ratio between flonicamid and the betacyfluthrin is 1: 20).
This prescription is used to prevent and treat rice-leaf hopper by the spraying of effective ingredient 50 gram/hectare thin ups.1 day control efficiency is that 97.8%, 5% flonicamid missible oil and 5% betacyfluthrin missible oil use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 78.7% and 86.3% behind the medicine.Significant difference.Show composite dose active high, quick-acting is good, can effectively reduce population density.
Go ahead with one's investigation after 14 days behind the medicine to the rice-leaf hopper control efficiency, 21% flonicamid betacyfluthrin missible oil control efficiency is 74.5%, 5% flonicamid missible oil and 5% betacyfluthrin missible oil are according to using with quadrat method and dosage, and 14 days preventive effects are respectively 56.6% and 36.7% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment nine: flonicamid and cypermethrin compounded preparation and field trial
Former medicine 0.205 gram of 97.6% flonicamid
95% cypermethrin technical material, 21.05 grams
Sodium lignin sulfonate (dispersant) 7.5 grams
Naphthalene sulfonate (dispersant) 5.5 grams
Kaolin (carrier) complements to 100 grams
Above component is fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 20.2% flonicamid cypermethrin wetting powder (mass ratio between flonicamid and the cypermethrin is 1: 100).
This prescription is used to prevent and treat the aphid on the chrysanthemum by the spraying of effective ingredient 60 gram/hectare thin ups.1 day control efficiency is that 96.4%, 5% flonicamid wetting powder and 20% cypermethrin wetting powder use according to reaching dosage with quadrat method behind the medicine, and 1 day preventive effect is respectively 68.7% and 83.3% behind the medicine.Significant difference.Show composite dose active high, quick-acting is good, can effectively reduce population density.
Continue the investigation prevention effect behind the medicine after 14 days, 20.2% flonicamid cypermethrin wetting powder control efficiency is 82.6%, 5% flonicamid wetting powder and 20% cypermethrin wetting powder are according to using with quadrat method and dosage, and 14 days preventive effects are respectively 58.6% and 58.2% behind the medicine.Difference is more remarkable.Show that composite dose of lasting period rise appreciably, can reduce the medication number of times, thereby reduce environmental pollution, reduce residue of pesticide.
Embodiment ten: aphid is to flonicamid and the test of chrysanthemum ester class medicament monitoring for resistance
Cotten aphid (Aphis gossypii): test former medicine flonicamid from SUMITOMO CHEMICAL Co., Ltd., the former medicine of beta-cypermethrin is from Yangnong Chemical Co., Ltd., Jiangsu.Former medicine is mixed with according to a conventional method the test medicine that needs.Examination worm worm kind is picked up from Distributions in Liaocheng of Shandong Province.Infusion process is adopted in screening, adopts medicament and dosage as described in Table 5, and liquor strength is an aphid 50%-80% lethal dose, after 48 hours dead insect is chosen away, and remaining insect continues indoor subculture to be raised, so repeated treatments 20 generations examination worm.If the blank of not dispenser.Room temperature keeps 25 ± 1 ℃, cultivates in the 12H/12H illumination box.Measure the 5th generation, 10 generations, 15 generations, 20 generations examination worm LC to each medicament 50(assay method is with embodiment 1: the cotten aphid Toxicity Determination), and each time LC relatively 50The pesticide resistance to reagent agent of estimating the examination worm changes.Result of the test such as table 5
Can see obviously that according to following table 5 after application flonicamid and efficient cypermethrin compounded preparation handled for 20 generations, test cotten aphid population was 2.59 times to the resistance development of efficient cypermethrin compounded dose of flonicamid, is in low-level resistance.Be starkly lower than flonicamid and the agent of beta-cypermethrin list and handle the resistance that 20 generations of cotten aphid produce 13.5 times and 69.00 times.Show and use flonicamid and the efficient cypermethrin compounded generation that can effectively delay the cotten aphid resistance.
Table 5 (following table):
Chemicals treatment The 1st generation population LC 50(mg?/L) The 5th generation population LC 50(mg/L) The 10th generation population LC 50(mg/L) The 15th generation population LC 50(mg/L) The 20th generation population LC 50(mg/L)
Flonicamid ??0.85 (0.96 1.13 times of *) (2.56 3.01 times) (4.35 5.12 times) (11.25 13.24 times)
Beta-cypermethrin ??1.25 (2.25 1.80 times) (10.25 8.20 times) (35.69 28.55 times) (86.36 69.00 times)
Chemicals treatment The 1st generation population LC 50(mg?/L) The 5th generation population LC 50(mg/L) The 10th generation population LC 50(mg/L) The 15th generation population LC 50(mg/L) The 20th generation population LC 50(mg/L)
Embodiment two (flonicamid: beta-cypermethrin=1: 1) ??0.85 (0.90 1.06 times) (0.92 1.08 times) (0.96 1.13 times) (1.20 2.59 times)
Annotate: compare with the 1st generation behind the corresponding algebraically of (* doubly) expression screening, the resistant multiple of each medicament.

Claims (6)

1. composition pesticide, the effective ingredient that it is characterized in that it is flonicamid and a kind of chrysanthemum ester insecticide, the mass ratio of flonicamid and chrysanthemum ester insecticide is 20: 1-1: 100.
2. composition pesticide according to claim 1 is characterized in that described chrysanthemum ester insecticide is decis, beta-cypermethrin, cypermethrin, gamma cyhalothrin, betacyfluthrin, Biphenthrin or fenpropathrin.
3. according to the described composition pesticide of claim 2, the mass ratio that it is characterized in that flonicamid and chrysanthemum ester insecticide is 1: 1-1: 20.
4. according to each described composition pesticide of claim 1 to 3, it is characterized in that its formulation is suspending agent, aqueous emulsion, microemulsion, water-dispersible granules, missible oil, wetting powder.
5. the described composition pesticide preparation of claim 4 is used to prevent and treat the insect on the plant.
6. the described composition pesticide preparation of claim 4 is used to prevent and treat leafhopper, thrips and aphid.
CN200910164498A 2009-08-01 2009-08-01 Pesticide composition and application thereof Pending CN101700036A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102349504A (en) * 2011-09-13 2012-02-15 广西田园生化股份有限公司 Flonicamid-containing ultralow volume liquid agent
CN103053522A (en) * 2011-10-20 2013-04-24 南京华洲药业有限公司 Composite insecticidal composition containing flonicamid and S-fenvalerate and application thereof
CN103053524A (en) * 2011-10-20 2013-04-24 南京华洲药业有限公司 Composite insecticidal composition containing flonicamid and fenvalerate and application thereof
CN103053597A (en) * 2011-10-20 2013-04-24 南京华洲药业有限公司 Synergistic insecticidal composition containing cis-cypermethrin and flonicamid and application thereof
CN103583547A (en) * 2013-10-14 2014-02-19 广东中迅农科股份有限公司 Insecticidal composition containing flonicamid and cyfluthrin
CN103651513A (en) * 2013-12-10 2014-03-26 济南凯因生物科技有限公司 Missible oil containing flonicamid and bifenthrin and application of missible oil
CN104255775A (en) * 2014-09-09 2015-01-07 青岛润鑫伟业科贸有限公司 Efficient pesticide containing flonicamid, cyantraniliprole, bifenthrin and beta-cypermethrin
CN104322553A (en) * 2014-09-30 2015-02-04 青岛康和食品有限公司 Efficient insecticide containing flonicamid, deltamethrin and acephate
CN104522041A (en) * 2014-12-23 2015-04-22 陕西西大华特科技实业有限公司 Flonicamid and efficient cyhalothrin containing insecticide composition

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102349504A (en) * 2011-09-13 2012-02-15 广西田园生化股份有限公司 Flonicamid-containing ultralow volume liquid agent
CN102349504B (en) * 2011-09-13 2013-09-11 广西田园生化股份有限公司 Flonicamid-containing ultralow volume liquid agent
CN103053522A (en) * 2011-10-20 2013-04-24 南京华洲药业有限公司 Composite insecticidal composition containing flonicamid and S-fenvalerate and application thereof
CN103053524A (en) * 2011-10-20 2013-04-24 南京华洲药业有限公司 Composite insecticidal composition containing flonicamid and fenvalerate and application thereof
CN103053597A (en) * 2011-10-20 2013-04-24 南京华洲药业有限公司 Synergistic insecticidal composition containing cis-cypermethrin and flonicamid and application thereof
CN103583547A (en) * 2013-10-14 2014-02-19 广东中迅农科股份有限公司 Insecticidal composition containing flonicamid and cyfluthrin
CN103651513A (en) * 2013-12-10 2014-03-26 济南凯因生物科技有限公司 Missible oil containing flonicamid and bifenthrin and application of missible oil
CN104255775A (en) * 2014-09-09 2015-01-07 青岛润鑫伟业科贸有限公司 Efficient pesticide containing flonicamid, cyantraniliprole, bifenthrin and beta-cypermethrin
CN104322553A (en) * 2014-09-30 2015-02-04 青岛康和食品有限公司 Efficient insecticide containing flonicamid, deltamethrin and acephate
CN104522041A (en) * 2014-12-23 2015-04-22 陕西西大华特科技实业有限公司 Flonicamid and efficient cyhalothrin containing insecticide composition

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