CN105284838A - Pesticide composition capable of preventing and treating white ants - Google Patents
Pesticide composition capable of preventing and treating white ants Download PDFInfo
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- CN105284838A CN105284838A CN201510600505.6A CN201510600505A CN105284838A CN 105284838 A CN105284838 A CN 105284838A CN 201510600505 A CN201510600505 A CN 201510600505A CN 105284838 A CN105284838 A CN 105284838A
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- sulfluramid
- ethiprole
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Abstract
The invention belongs to the technical field of pesticide application and particularly relates to a pesticide composition capable of preventing and treating white ants. The pesticide composition capable of preventing and treating the white ants is obtained by taking fipronil and sulfluramid as effective components and carrying out binary compounding, wherein the weight ratio of the fipronil to the sulfluramid ranges from (1:30) to (30:1). The pesticide composition provided by the invention has remarkable prevention and treatment effects on prevention and treatment of coptotermes formosanus, reticulitermes speratus and reticulitermes chinensis snyder. The pesticide composition provided by the invention has the advantages that the synergism is obvious, the use amount of pesticides is reduced, the pesticide composition can be carried by the white ants to carry out secondary virus transmission, the prevention and treatment cost is reduced, the resistance is delayed, the lasting period is relatively long and the pollution to the environment is reduced.
Description
Technical field
The invention belongs to pesticides application technical field, specifically relate to the composition pesticide of a kind of containing fipronil and sulfluramid control termites.
Background technology
Termite is one of worldwide insect, very wide in branch of China.Termite damage can cause wooden frame structure to collapse, and destroys home decoration, makes large quantities of death of the impaired and trees of heritage archive, crops, the serious consequence such as even can cause the dike piping of rivers, reservoir, subside.According to estimates, the economic loss caused because of termite damage is every year up to 2,500,000,000 yuan.
Carry out between the agricultural chemicals of the different mechanism of action compositely can improving control efficiency, reduce Pesticide use amount, expanding prevention is composed, and reduces the advantage such as reagent toxicity and delaying drug resistance development.Termite belongs to sanitary insect pest, and the medicament of control termites is hygienic insecticide.According to statistics, more than 30 are had to plant by the medicament of the control termites of agriculture chemical registration at present, but compound drug only has 7 kinds, be respectively 1.8%S-cyanogen penta abamectin emulsifiable concentrate, the pungent missible oil of 20% high chlorine, 0.84% tetramethrin alpha-cypermethrin paste, 20% dichlorvos height chloro milk oil, the phonetic Acetochlor wetting powder of 20% benzyl, 60% biphenyl imidacloprid water dispersible granule and 12% boric acid copper sulphate soluble concentrate.In whole Information for pesticide Product Registration, Recompounded pesticide registration kind accounts for more than 60% of whole kind, and single dose kind only accounts for less than 40%.Therefore, the research and development of the compounded preparation of pesticide of control termites has very large prospect.
Ethiprole is that a kind of Phenylpyrazole insecticides, insecticidal spectrum are wide, to insect based on stomach poison function, have concurrently and tag and certain systemic action, its mechanism of action is the chloride metabolism hindering insect γ-aminobutyric acid to control, therefore very high insecticidal activity is had, to crop without poisoning to important pests such as aphid, leafhopper, plant hopper, lepidopterous larvae, fly class and coleopteras.This medicament can impose on soil, also can foliar spray.Imposing on soil can effectively chrysomelid, the wireworm of control of maize root and cutworm.During foliage spray, all have high-level preventive effect to diamond-back moth, imported cabbageworm, rice thrips etc., and the lasting period is long.
Sulfluramid (sulfluramid) researchs and develops successfully by Griffin company of the U.S. in the nineties in 20th century; the agriculture chemical registration of US Gov Env Protection Agency is obtained after several years; its former medicine has FMC Corp. of the U.S. to produce abroad, and domestic have Changzhou Yekang Chemical Products Co., Ltd. to produce.Sulfluramid is Organic fluoride insecticides, its mechanism of action is the respiration suppressing harmful insect, stop adenosine diphosphate (ADP) to be produced with high-octane adenosine triphosphate (ATP) by oxidative phosphorylation process, thus cause insect death.Sulfluramid has chronic virulence property, to social insect as blattaria, termite or ant, can cause in colony secondary, three times poisoning, thus reach the object eliminating whole colony.Mainly be used for indoor control ant and cockroach with poison bait form.Preparation has bait formulation.
Ethiprole and sulfluramid are non-anti-repelling properties insecticide to termite, but the mechanism of action of two kinds of insecticides is different, the poisoning symptom showed is also different: ethiprole knocks down speed to termite, after chemicals treatment, in short time, the ability of creeping of (12h) termite is significantly affected, and termite is short from the time of going down needed for death, and poisoning and dead polypide is not obvious to be reduced, in termite control, be unfavorable for that termite is carried medicament and spread by medicament in ant group and propagate; And sulfluramid has chronic virulence property, to social insect as blattaria, termite or ant, can cause in colony secondary, three times poisoning, be conducive to termite and carry medicament and carry out spreading and propagating in ant group, thus reach the object eliminating whole colony.
Inventor, by screening the medicament of control termites, finds that the composition of ethiprole and sulfluramid is had synergistic effect to control termites, and the two composite after be conducive to by termite carry carry out secondary pass poison.
So far, there is not yet the relevant report composition pesticide of containing fipronil and sulfluramid being used for control termites.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
For the defect of prior art, the object of this invention is to provide the composition pesticide of a kind of containing fipronil and sulfluramid control termites, inventor finds the agricultural chemicals of ethiprole and sulfluramid two kinds of different mechanism of action to carry out composite after deliberation, has obvious synergistic effect.
The present invention is achieved through the following technical solutions:
A composition pesticide for control termites, the active ingredient of described composition pesticide is by ethiprole and sulfluramid is composite forms, and the weight ratio of ethiprole and sulfluramid is 1:30-30:1.
As preferably, in described active ingredient, the weight ratio of ethiprole and sulfluramid is 1:20.
Present invention also offers a kind of pesticidal preparations, it comprises described composition pesticide, and the weight of described composition pesticide accounts for the 1-80% of pesticidal preparations gross weight, and all the other are the auxiliary element allowing in agricultural chemicals to use.
As preferably, the auxiliary element used in described agricultural chemicals, is allowed to be made up of one or more in solvent, cosolvent, emulsifier, wetting agent, dispersant, thickener, antifreezing agent, carrier and disintegrant; Described solvent is ester class or sulfone class, described cosolvent is ketone or higher alcohol, described emulsifier, wetting agent, dispersant are non-ionic surface active agent or anion surfactant, described thickener is one or more in xanthans, gum Arabic, Magnesiumaluminumsilicate and polyvinyl alcohol, described antifreezing agent is polyalcohol, described carrier is one or more in white carbon, kaolin and diatomite, and described disintegrant is one or more in ammonium sulfate, sodium chloride and ammonium sulfate.
As preferably, described ester class is sec-butyl acetate and ethyl acetate; Sulfone class is dimethyl sulfoxide (DMSO); Described ketone is cyclohexanone and N-pyrrolidones; Higher alcohol is n-butanol; Described non-ionic surface active agent is one or more in castor oil polyoxyethylene ether, polyoxyethylene nonylphenol ether, styryl phenyl polyoxyethylene poly-oxygen propylene aether, aliphatic alcohol polyethenoxy polyoxypropylene graft copolymer, tristyrylphenyl APEO and calcium dodecyl benzene sulfonate castor oil polyoxyethylene ether; Anion surfactant is one or more in calcium dodecyl benzene sulfonate, sodium lignin sulfonate lauryl sodium sulfate, thermally coupled distillation columns and aliphatic alcohol polyoxyvinethene phosphate ammonium salt; Described polyalcohol is one or more in ethylene glycol, glycerine and propane diols.
As preferably, the formulation of described pesticidal preparations is aqueous emulsion, microemulsion, suspending agent, wetting powder or water dispersible granules.
Present invention also offers described composition pesticide or the purposes of described pesticidal preparations in control termites.
Composition pesticide of the present invention and pesticidal preparations all have significant control efficiency to Workers of Coptotermes formosanus Shiraki, eastern subterranean termite, Reticulitermes chinensis.
Compared with prior art, the present invention has following beneficial effect:
L. composition pesticide of the present invention has notable synergistic effect, improves the control efficiency to termite.
2. composition pesticide control termites of the present invention can decrease the consumption of agricultural chemicals, thus saves cost accounting, also alleviates the pressure to environment.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
One, indoor virulence test measures
The present invention adopts the method for indoor bioassay, measures the compounded combination of different proportion to the co-toxicity coefficient of termite and nitrate enhancement, to determine whether compounded combination has synergistic effect.
Reagent agent: the former medicine of 98.1% ethiprole (being provided by Shanghai Pesticide Research Institute), the former medicine of 96.3% sulfluramid (being purchased from Yangnong Chemical Co., Ltd., Jiangsu).Other reagent used in test is commercially available.
For examination insect: Workers of Coptotermes formosanus Shiraki (CoptotermesformosanusShiraki), eastern subterranean termite (Reticulitermessperatus) and Reticulitermes chinensis (ReticulitermeschinensisSnyder) all pick up from Guangxi Hechi, raise with pine block, stand-by after 1 week at indoor feeding.
embodiment 1: ethiprole and sulfluramid 2 kinds of single doses are respectively to the toxicity test of 3 kinds of termites
Assay method: the mother liquor respectively ethiprole and the former medicine of sulfluramid being mixed with 1000ppm with acetone.With acetone, the mother liquor of two kinds of medicines is diluted to a series of variable concentrations.Pipette liquid 1mL with pipette, drip on filter paper (diameter=90mm), form the even medicine film of one deck, after naturally drying, put into clean culture dish (diameter=90mm).Drip 1mL deionized water, drop into 30 worker ants, continuous contact.Each concentration repeats 3 times, and establishes blank, observes and records poisoning symptom and the death toll of termite every day, test and carry out under temperature (28 ± 1 DEG C), dark condition, keeps filter paper to be in moisture state always.
Result of the test: the termite borer population of death every day is added up, calculate the cumulative mortality of termite after different number of days, with the logarithm value of drug concentration for independent variable X, be dependent variable Y the probability value of the average cumulative lethality of (96h) after 4 days, the virulence regression equation of two kinds of medicines is obtained with DPS software, obtain the LC50 value of two kinds of medicines, the results are shown in Table 1-3.
Table 1 ethiprole and sulfluramid 2 kinds of medicaments respectively after 96h to the virulence of Workers of Coptotermes formosanus Shiraki
Table 2 ethiprole and sulfluramid 2 kinds of medicaments respectively after 96h to the virulence of eastern subterranean termite
Table 3 ethiprole and sulfluramid 2 kinds of medicaments respectively after 96h to the virulence of Reticulitermes chinensis
As can be seen from table 1-3, the LC50 of ethiprole to 3 kinds of termites is respectively 0.315mg/L, 0.267mg/L and 0.302mg/L; Sulfluramid is 14.018mg/L, 15.140mg/L and 16.415mg/L to the LC50 of 3 kinds of termites, visible ethiprole to the virulence of termite higher than sulfluramid.
embodiment 2: the compounded combination of ethiprole and sulfluramid different proportion is to the toxicity test of 3 kinds of termites
Assay method: the maximum concentration being used in ethiprole and sulfluramid in single dose toxicity test is respectively mixed into the compounded combination of different ratio (referring to table 4-6) by a certain percentage, is then diluted to 11 variable concentrations by geometric ratio principle.Pipette liquid 1mL with pipette, drip on filter paper (diameter=90mm), form the even medicine film of one deck, after naturally drying, put into clean culture dish (diameter=90mm).Drip 1mL deionized water, drop into 30 worker ants, continuous contact.Each concentration repeats 3 times, and establishes blank, observes and records poisoning symptom and the death toll of termite every day, test and carry out under temperature (28 ± 1 DEG C), dark condition, keeps filter paper to be in moisture state always.
Result of the test: the dead borer population of compounded combination every day to termite is added up, calculate the cumulative mortality of termite after different number of days, with the logarithm value of drug concentration for independent variable X, be dependent variable Y the probability value of the average cumulative lethality of (96h) after 4 days, calculate the virulence regression equation of two kinds of medicines with DPS, obtain the LC50 value of ethiprole and sulfluramid different proportion compounded combination medicament.Then obtain co-toxicity coefficient and the nitrate enhancement of different compounded combination medicament by the abundant method of Sun Yun, computing formula is as follows:
Actual measurement toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T1154.13-2008 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80< co-toxicity coefficient (CTC) <120 shows as summation action.
Table 4 ethiprole and sulfluramid are to the indoor joint toxicity measuring of Workers of Coptotermes formosanus Shiraki
As shown in Table 4, when in this complex composition, the weight ratio of ethiprole and sulfluramid is within the scope of 1:30-30:1, co-toxicity coefficient is all greater than 120, and namely said composition all shows as synergistic effect to 3 kinds of termites; Especially, when the weight ratio of ethiprole and sulfluramid is 1:20, co-toxicity coefficient is 227.06, and synergistic effect is maximum.
Table 5 ethiprole and sulfluramid are to the indoor joint toxicity measuring of eastern subterranean termite
As shown in Table 5, when in this complex composition, the weight ratio of ethiprole and sulfluramid is within the scope of 1:30-30:1, co-toxicity coefficient is all greater than 120, and namely said composition all shows as synergistic effect to 3 kinds of termites; Especially, when the weight ratio of ethiprole and sulfluramid is 1:20, co-toxicity coefficient is 192.79, and synergistic effect is maximum.
Table 6 ethiprole and sulfluramid are to the indoor joint toxicity measuring of Reticulitermes chinensis
As shown in Table 6, when in this complex composition, the weight ratio of ethiprole and sulfluramid is within the scope of 1:30-30:1, co-toxicity coefficient is all greater than 120, and namely said composition all shows as synergistic effect to 3 kinds of termites; Especially, when the weight ratio of ethiprole and sulfluramid is 1:20, co-toxicity coefficient is 194.76, and synergistic effect is maximum.
Two, embodiment prepared by agricultural chemicals
(1) preparation of aqueous emulsion
embodiment 3: 1% ethiprole sulfluramid aqueous emulsion
embodiment 4: 10% ethiprole sulfluramid aqueous emulsion
embodiment 5: 15% ethiprole sulfluramid aqueous emulsion
The preparation method of the aqueous emulsion as described in embodiment 3-5 is: after active ingredient ethiprole and sulfluramid solvent, cosolvent fully being dissolved, and input emulsifier, dispersant, wetting agent form oil phase after fully stirring; Antifreezing agent is added to the water dissolving, forms aqueous phase; Aqueous phase is slowly added in oil phase, use high-speed shearing machine shear, aqueous emulsion.
(2) preparation of microemulsion
embodiment 6: 5% ethiprole sulfluramid microemulsion
embodiment 7: 8% ethiprole sulfluramid microemulsion
embodiment 8: 15% ethiprole sulfluramid microemulsion
The preparation method of the microemulsion as described in embodiment 6-8 is: after active component ethiprole and sulfluramid solvent, cosolvent fully being dissolved, and drops into emulsifier, forms oil phase after fully stirring; Antifreezing agent is added to the water and obtains aqueous phase; Aqueous phase is slowly added in oil phase, uses high-speed shearing machine to shear, transparent microemulsion.
(3) preparation of suspending agent
embodiment 9: 20% ethiprole sulfluramid suspending agent
embodiment 10: 30% ethiprole sulfluramid suspending agent
embodiment 11: 50% ethiprole sulfluramid suspending agent
The preparation method of the suspending agent as described in embodiment 9-11 is: after using airslide disintegrating mill to pulverize active component ethiprole and sulfluramid, drop in stirred tank, drop into dispersant, wetting agent, antifreezing agent and water simultaneously, after abundant stirring, fully grind in material suction sand mill, after having ground, in suction high-speed shearing machine, after adding thickener, carry out high speed shear, after having sheared, namely obtain suspending agent.
(4) preparation of wetting powder
embodiment 12: 50% ethiprole sulfluramid wetting powder
embodiment 13: 60% ethiprole sulfluramid wetting powder
embodiment 14: 80% ethiprole sulfluramid wetting powder
The preparation method of the wetting powder as described in embodiment 12-14 is: by formula rate, active ingredient and preparation auxiliary element is mixed, and pulverizes, then mix through airslide disintegrating mill, i.e. obtained wetting powder.
(5) preparation of water dispersible granules
embodiment 15: 25% ethiprole sulfluramid water dispersible granules
embodiment 16: 50% ethiprole sulfluramid water dispersible granules
embodiment 17: 80% ethiprole sulfluramid water dispersible granules
The preparation method of the water dispersible granules as described in embodiment 15-17 is: by formula rate, after active ingredient and preparation auxiliary element are mixed, pulverize through airslide disintegrating mill, again mix, then, add a certain amount of water and this mixture is mediated, extruder grain, drying is sieved, and namely obtains water dispersible granules.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (7)
1. a composition pesticide for control termites, is characterized in that: the active ingredient of described composition pesticide is by ethiprole and sulfluramid is composite forms, and the weight ratio of ethiprole and sulfluramid is 1:30-30:1.
2. composition pesticide according to claim 1, is characterized in that: in described active ingredient, the weight ratio of ethiprole and sulfluramid is 1:20.
3. a pesticidal preparations, is characterized in that: the weight of the arbitrary described composition pesticide of claim 1-2 accounts for the 1-80% of pesticidal preparations gross weight, and all the other are the auxiliary element allowing in agricultural chemicals to use.
4. pesticidal preparations according to claim 3, is characterized in that: allow the auxiliary element used to be made up of one or more in solvent, cosolvent, emulsifier, wetting agent, dispersant, thickener, antifreezing agent, carrier and disintegrant in described agricultural chemicals; Described solvent is ester class or sulfone class, described cosolvent is ketone or higher alcohol, described emulsifier, wetting agent, dispersant are non-ionic surface active agent or anion surfactant, described thickener is one or more in xanthans, gum Arabic, Magnesiumaluminumsilicate and polyvinyl alcohol, described antifreezing agent is polyalcohol, described carrier is one or more in white carbon, kaolin and diatomite, and described disintegrant is one or more in ammonium sulfate, sodium chloride and ammonium sulfate.
5. pesticidal preparations according to claim 4, is characterized in that: described ester class is sec-butyl acetate and ethyl acetate; Sulfone class is dimethyl sulfoxide (DMSO); Described ketone is cyclohexanone and N-pyrrolidones; Higher alcohol is n-butanol; Described non-ionic surface active agent is one or more in castor oil polyoxyethylene ether, polyoxyethylene nonylphenol ether, styryl phenyl polyoxyethylene poly-oxygen propylene aether, aliphatic alcohol polyethenoxy polyoxypropylene graft copolymer, tristyrylphenyl APEO and calcium dodecyl benzene sulfonate castor oil polyoxyethylene ether; Anion surfactant is one or more in calcium dodecyl benzene sulfonate, sodium lignin sulfonate lauryl sodium sulfate, thermally coupled distillation columns and aliphatic alcohol polyoxyvinethene phosphate ammonium salt; Described polyalcohol is one or more in ethylene glycol, glycerine and propane diols.
6. pesticidal preparations according to claim 3, is characterized in that: the formulation of described pesticidal preparations is aqueous emulsion, microemulsion, suspending agent, wetting powder or water dispersible granules.
7. according to the arbitrary described composition pesticide of claim 1-3 or the purposes of pesticidal preparations according to claim 4 in control termites.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106614731A (en) * | 2016-12-16 | 2017-05-10 | 张宗斌 | Pesticide composition for preventing termites |
| CN107018978A (en) * | 2017-04-07 | 2017-08-08 | 田德远 | A kind of composition pesticide for preventing and treating termite |
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| CN104430412A (en) * | 2014-11-18 | 2015-03-25 | 桐乡市白蚁防治所 | Special agent for trapping and killing white ants |
| CN104642273A (en) * | 2014-10-11 | 2015-05-27 | 宜昌市康居害虫防治有限公司 | Termite control sticker and application thereof in house buildings |
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| CN101336645A (en) * | 2008-08-08 | 2009-01-07 | 惠州市南天生物科技有限公司 | Termite attractant |
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Application publication date: 20160203 |