CN101379982B - Insecticidal composition containing pyriproxyfen and avermectin - Google Patents
Insecticidal composition containing pyriproxyfen and avermectin Download PDFInfo
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- CN101379982B CN101379982B CN200810132492A CN200810132492A CN101379982B CN 101379982 B CN101379982 B CN 101379982B CN 200810132492 A CN200810132492 A CN 200810132492A CN 200810132492 A CN200810132492 A CN 200810132492A CN 101379982 B CN101379982 B CN 101379982B
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Abstract
The invention relates to a desinsection composite which has synergy and contains Pyriproxyfen and Abamectin, belonging to the technical field of pesticide. The compounded active pesticide is prepared by the Pyriproxyfen and the Abamectin which have proportion by weight of 0.1:10-50:0.1. The desinsection composite overcomes the deficiencies of the prior art and shows remarkable synergy. When less dosage of the desinsection composite is applied for treating the pests such as bemisia tabaci, rice fulgorid, rice leaf roller, chilo suppressalis, yellow rice borer, thrips, aphids, trialeurodes vaporariorum, leafhopper and diamond back moth, excellent contact insecticide property, stomach toxicity and ovicidal effect are shown.
Description
Technical field
The present invention relates to a kind of complex composition, especially a kind ofly contain the Pesticidal combination that pyrrole propyl ether and AVM have synergistic function, belong to technical field of pesticide with insecticidal activity.
Background technology
Have the multiple arthropodan composition of kill harmful that is used in the prior art at present.Yet in the process of some actual uses, effect is always unsatisfactory.Like patent of invention (CN 1244343A) " the arthropodan composition of kill harmful " in SUMITOMO CHEMICAL chemical industry Co., Ltd. on February 16th, 2000 in China's application; It contains at least a 1-of being selected from (oxolane-3-yl) methyl-3-methyl-2-nitroguanidine and 3-[(2-chloro-5-thiazolyl) methyl]-5-methyl-4-nitro imino group tetrahydrochysene-1; 3; The compound of 5-oxadiazine and pyriproxyfen (have another name called pyrrole propyl ether pyriproxyfen, chemical name is 4-Phenoxyphenyl-(RS)-2-(2-pyridine radicals oxygen) propyl ether) are as active component.The bright said composition of test example table only has synergistic effect to housefly and Bemisia argentifolii from patent documentation.
And for example; The patent of invention (CN1247453A) " the juvenoid element/chitin synthesis inhibitor termiticide compsns of synergy " that U.S. Dow Agro Sciences LLC applied in China on March 15th, 2000; It is the composition of chitin synthesis inhibitor (for example fluorine bell urea, flufenoxuron, lufenuron and the diflubenzuron) analog that becomes juvenile hormone (for example type worm ester and pyriproxyfen), and control termites is had SA.Said composition is only applicable to termite control, and the composition mechanism of action is similar, and resistance produces soon, is not suitable for preventing the insect pest of agricultural crops.
AVM also is a kind of common environment amenable insecticidal/acaricidal agent.Being a kind of macrolide antibiotics, is actinomycetic extract, has isomer in 16.The active component that is used as insecticidal/acaricidal agent mainly is Avermectin Bla and Avermectin Blb wherein, and the former is even more important again.On agricultural, AVM is control evil mite such as Tetranychus urticae, Tetranychus cinnabarinus etc. and the important kind of insect such as diamond-back moth, liriomyza bryoniae.
Yet in the real process of agricultural production, the problem that pest control is easy to generate most is the generation of pest resistance to insecticide.Important harmful mite on the agricultural is because its breeding cycle is short, and breeding amount is big, and mobility is little, and the selfing degree is high, is easy to generate resistance especially.
To the above-mentioned defective of prior art, go up the insect that produces resistance for control agricultural, a kind of way is to release the new component that new and existing kind do not have cross resistance.But the development cost of new active ingredient is high, and the construction cycle is long, and all produces the speed of resistance less than insect forever.Other method such as crop allocation are adjusted, different agricultural chemicals is rotated etc., in the process of practical operation, are difficult to really play obvious effects.
The composition of different cultivars carries out composite, is the very common way of control resistant insect.Heterogeneity is carried out composite, according to the effect of practical application, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals all is an additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, co-toxicity coefficient very high composite just still less.
Summary of the invention
The objective of the invention is: propose a kind of pyriproxyfen compound active insecticide, thereby kill pests is especially had synergistic effect aspect the insects such as Bemisia tabaci, thrips, aphid, trialeurodes vaporariorum, leafhopper, rice fulgorid, rice leaf roller, striped rice borer, paddy stem borer, Lissorhoptrus oryzophilus Kuschel, diamond-back moth or enlarges insecticidal spectrum preventing and treating.
In order to reach above purpose, pyriproxyfen compound active insecticide of the present invention is by pyrrole propyl ether and abamectin compounded forming.The weight ratio of pyrrole propyl ether and AVM is between 0.1: 10～50: 0.1.The optimum ratio scope is 1: 20～5: 0.3.
The present invention confirms synergy or synergy prescription through indoor test or small plot experiment screening.Result of the test shows that pyrrole propyl ether and AVM have synergy or synergy, is highly desirable Pesticidal combination.When insects such as Bemisia tabaci, thrips, aphid, trialeurodes vaporariorum, leafhopper, rice fulgorid, rice leaf roller, striped rice borer, paddy stem borer, Lissorhoptrus oryzophilus Kuschel, diamond-back moth were taken place, composition of the present invention can effectively be controlled its harm.
As Insecticidally-active composition of the present invention; Can be used for the control of various agricultural such as cotton, paddy rice, vegetables and fruit tree and gardening pest insect, as prevent and treat insects such as Bemisia tabaci, thrips, aphid, trialeurodes vaporariorum, leafhopper, rice fulgorid, rice leaf roller, striped rice borer, paddy stem borer, Lissorhoptrus oryzophilus Kuschel, diamond-back moth.
In to pyrrole aphid ketone and the symphyogenetic research of AVM, find that the part composite type shows high synergistic effect.Simultaneously, because outstanding composition is badly in need of in banning use of of high drugs kind such as China's acephatemet, efficient, safety, and eco-friendly new practical medicament.
Research object striped rice borer and rice fulgorid as pest of the present invention are that agricultural goes up the frequent and serious pest of generation.Striped rice borer can be represented the Lepidoptera class pest; Have and bore the moth property, high to the requirement of insecticide, medicament preferably have tag, stomach is plain, interior suction and permeability; The rice fulgorid kind is many; Comprise brown planthopper, white-backed planthopper, small brown rice planthopper etc., can represent the insect of sucking mouth parts class, long lasting effect must be arranged the medicament of preventing and treating rice fulgorid.
In to pyrrole propyl ether and the symphyogenetic research of AVM, find that the part composite type shows high synergistic effect.The control rice pest, the surface went out outstanding effect when cotton had gardening pest insect.Simultaneously, because outstanding composition is badly in need of in banning use of of high drugs kind such as China's acephatemet, efficient, safety, and eco-friendly new practical medicament.
When preparing built reactive insecticide of the present invention; The carrier and the additive (comprising emulsifier, dispersant, stabilizing agent, bleeding agent, antifoaming agent etc.) that can add convention amount mix; And; Can make missible oil, microemulsion by common method, suspending agent, aqueous emulsion, wetting powder, water dispersion granule etc.
Being adapted at the present invention, to have the carrier that uses in the composition of insecticidal activity can be any solid or the liquid-carrier that is generally used for agricultural, gardening medicament; As required; Can use various surfactants, stabilizing agent and other auxiliary element; In the preparation of commerce usefulness; Composition of the present invention can also with other active component (other insecticides, miticide, bactericide, weed killer herbicide, plant growth regulator, synergist, fertilizer, aromatic) composition mixture, to expand its applicability.
Though having the amount of application of the composition of insecticidal activity, the present invention needs to adjust according to the kind of essential condition such as population density, core crop and cropping pattern, weather condition, method of application etc.; But generally speaking; The active ingredient total amount of the composition with insecticidal activity that per hectare is used is 1～500g, is 3～100g preferably.In practice, when the composition that has an insecticidal activity as the present invention is wetting powder, missible oil, microemulsion, suspending agent, aqueous emulsion, water dispersion granule etc., can impose on the crop after the effective ingredient consumption dilution by correspondence.
These preparations can make through the method for arbitrary routine; For example pyrrole propyl ether and AVM and solid carrier or liquid-carrier are mixed, in case of necessity, can add other auxiliary agent such as emulsifier and fixative; Then further mix, then mixture is processed required formulation.Carrier that can in preparation, use and auxiliary agent comprise following material:
Solid carrier can comprise: natural synthetic mineral such as clay, kaolin, white carbon black, talcum, sulphur, active carbon, calcium carbonate, diatomite, sawdust, methylcellulose.
Liquid-carrier can comprise: aromatic series or aliphatic hydrocarbon such as xylol, toluene, kerosene, light oil, hexane and cyclohexane; Halogenated hydrocarbon such as chlorobenzene, carrene; Alcohols such as acetone, methyl ethyl ketone, cyclohexanone; Nitrile such as acetonitrile and isobutyronitrile; Sulfoxide class such as dimethyl sulfoxide (DMSO); Acid amide-type such as N, dinethylformamide and DMAC N,N; Vegetable oil such as soya-bean oil and cottonseed oil; And water.
Auxiliary agent can comprise: nonionic emulsifier and polyoxy acetate alkene fatty acid ester and polyoxyethylene fatty acid alcohol ester; Ionic emulsifying agent such as alkylsulfonate, alkyl sulfate and virtue are at sulfonate; Dispersant such as lignosulfonates and methylcellulose; Fixative such as carbonyl methylcellulose, gum Arabic, polyvinyl alcohol and gather ethyl acetate; Colouring agent such as iron oxide, titanium oxide, Prussian blue, alizarin dyes, azo dyes and phthalocyanine dye.
The present composition can also contain synergist, like the piperonyl ethers.
The present composition is applied to directly usually that harmful segmental appendage is moving to be gone up or be applied to its habitat indirectly.When the present invention uses the medicament that keeps off infection as health, as be used for the indoor control mosquitos and flies, its effective dose is about 0.005-80mg/m3, as is used to prevent and treat cockroach and ant, and its effective dose is 0.005-500mg/m3." effective dose " used herein generally is meant the total amount of pyrrole propyl ether and AVM only if criticize brightly in addition.
When using the present composition on the agricultural, its effective dose is about 1-900g/ha usually, preferred 30-450g/ha.If the present composition also use identical concentration.These preparations and their diluent water can be used at plant leaf surface, avoid the harm of harmful arthropod like cover crop.
Embodiment
Following examples are preferred condition, but active component of the present invention and proportioning thereof, auxiliary element and addition thereof etc. are not limited to following examples.All parts all by weight among the embodiment.
One: 15% pyrrole propyl ether of formulation example AVM water-dispersible granules
Pyrrole propyl ether 14.5g
AVM 0.5g
Sodium lignin sulfonate 5g
Gather Methane Carboxylic Acid ester 5g
Atlapulgite 58g
Urea 20g
Formulation example two: 25.3% is than propyl ether AVM suspending agent
Pyrrole propyl ether 25g
AVM 0.3g
Sodium lignin sulfonate 10g
Ethylene glycol 12g
Xanthans 0.8g
Stabilizing agent 6g
Organic silicone 0.5g
Water is supplied 100g
Three: 51% pyrrole propyl ether of formulation example AVM water-dispersible granules
Pyrrole propyl ether 50g
AVM 1g
Sodium lignin sulfonate 10g
Gather Methane Carboxylic Acid ester 9g
Atlapulgite 16g
Urea 14g
Four: 26% pyrrole propyl ether of formulation example AVM wetting powder
Pyrrole propyl ether 25g
AVM 1g
Sodium lignin sulfonate 6g
Gather Methane Carboxylic Acid ester 7g
Atlapulgite is supplied 100g
The result of the test relevant with above embodiment is following:
Test examples 1:
Adopt conventional bioassay method test pyrrole propyl ether with AVM during as single agent and composite dose (formulation example one) to the virulence of striped rice borer, and with its synergistic effect of co-toxicity coefficient evaluation.The concrete operations main points are described below:
Method: soak cotton seedling feeding method.
The cultivation of rice seedling with choose: adopt to raise the cotton seedling of Type B Bemisia tabaci, height is about 10cm.
Soup preparation: dilute behind the former medicinal acetone solution, it is subsequent use that soil temperature 80 aqueous solution with 0.05% are diluted to soup, after directly dilute post processing cotton seedling by a certain percentage with running water.
Chemicals treatment: cotton seedling is flooded the 3s taking-up place on the blotting paper in soup, in the dactylethrae of packing into after drying naturally.
Connect worm: every treatment dosage connects 30 of worms altogether, promptly in the dactylethrae of the cotton seedling that chemicals treatment is crossed, inserts Type B Bemisia tabaci larva, 10 of every pipes, triplicate above-mentioned being equipped with.
Breeding observing and inspection: insulation reaches illumination cultivation down, and inspection life or death borer population calculates LC50 in the time of the 7th day.
Co-toxicity coefficient adopts the abundant method of Sun Yun to calculate:
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with
When co-toxicity coefficient obviously greater than 100, showing has synergistic effect; Near 100, expression has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation such as table 1,2 expressions.
Table 1, supply the virulence of reagent agent to the Type B Bemisia tabaci
| Supply the reagent agent | y＝a+bx | Virulence LC50 (ppm) |
| The pyrrole propyl ether | y＝1.9349+1.1032x | 0.0600ppm |
| AVM | y＝6.9960+1.5362x | 0.0502ppm |
Table 2, pyrrole propyl ether and AVM are to the virulence and the co-toxicity coefficient par of Type B Bemisia tabaci
| Composition | Ratio | Virulence LC50 (ppm) | Co-toxicity coefficient |
| Pyrrole propyl ether+AVM | 29∶1 | 0.0415 | 143.64 |
The result shows that pyrrole propyl ether and AVM are summation action to the virulence of striped rice borer in the active compound of " pyrrole propyl ether+AVM ", and promptly this composition can enlarge insecticidal spectrum when concrete the application, and a medicine is controlled more, the collaborative control multiple insect pest in farmland.
Test examples 2:
Composition with insecticidal activity is killed the virulence test of rice fulgorid.
Rice fulgorid nymph with indoor feeding is a tested object.Adopt conventional biometric techniques, handle rice fulgorid, pyrrole propyl ether and AVM and composite dose (formulation example two) thereof are carried out toxicity test and synergy mensuration, and, instruct the comprehensive regulation of rice fulgorid with its synergistic effect of co-toxicity coefficient evaluation with the rice seedling infusion process.The concrete operations main points are described below: get prior cultured rice seedling, repair neat back dipping 10s in reaching the soup that concentration prepares in advance by a certain percentage and dry back inoculation brown back rice plant hopper nymph, be cultured to 7 days then, the statistics lethality is calculated LSC50.
The color Sun Yun training of co-toxicity coefficient method is calculated.
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with
When co-toxicity coefficient obviously greater than 100, showing has synergistic effect; Near 100, expression has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation are like table 3, shown in 4.
Table 3, supply the virulence of reagent agent to brown back rice plant hopper
| Supply the reagent agent | y＝a+bx | Virulence LC50 (ppm) |
| The pyrrole propyl ether | y＝5.9161+1.3152x | 0.2011 |
| AVM | y＝5.0931+2.3365x | 0.9123 |
The composition of table 4, pyriproxyfen-containing is to virulence and the co-toxicity coefficient evaluation of brown back rice plant hopper
| Composition | Ratio | Virulence LC50 (ppm) | Co-toxicity coefficient |
| Pyrrole propyl ether+AVM | 250∶3 | 0.0713 | 283.67 |
Can know that by table 4 composition after pyrrole propyl ether and AVM are mixed has the synergistic effect of highly significant to brown back rice plant hopper.Adopt this active compound can prevent and treat rice fulgorid effectively.
The situation of other relevant practical application is following:
Application example 1:
With 15% described in the formulation examples 1 (14.5% pyrrole propyl ether+0.5% AVM) water-dispersible grain granule water is diluted 2000 times; Watermelon is carried out foliar spray; 7 days correction preventive effects to Bemisia tabaci reach 90.5% behind the medicine; And 14.5% pyrrole propyl ether water-dispersible granules and 0.5% AVM water-dispersible granules are to 2000 times of single using of water dilution; Divided the correction preventive effect of lice then only to reach 71.1% and 45.3% respectively to cigarette in 7 days behind the medicine, restrain agent instance 1 said preparation with every mu 10 paddy rice is carried out foliar spray, 7 days preventive effects to appropriate plant hopper are 95.3% behind the medicine; And 14.5% pyrrole propyl ether water-dispersible granules and 0.5% AVM water-dispersible granules be to 2000 times of single usefulness of water dilution, and 7 days then only cross 68.2% and 45.1% respectively to the correction preventive effect of rice fulgorid behind the medicine.
Application example 2:
Suspending agent with 25.3% described in the formulation examples 2 (25% pyrrole propyl ether+0.3% AVM) dilutes 3000 times to water; Carry out foliar spray; 7 days correction preventive effects to rice fulgorid reach 98.5% behind the medicine; And the suspending agent of 25% pyrrole propyl ether suspending agent and 0.3% AVM dilutes 3000 times of single usefulness to water, and 7 days correction preventive effects to rice fulgorid then only reach 70.1% and 42.3% respectively behind the medicine; Suspension emulsion with 25.3% described in the formulation examples 2 (25% pyrrole propyl ether+0.3% AVM) dilutes 3000 times to water; Foliar spray; Correction preventive effect to the cucumber Bemisia tabaci is 93.1%; And the suspending agent of 25% pyrrole propyl ether suspending agent and 0.3% AVM dilutes 3000 times of single usefulness to water, and 7 days correction preventive effects to the cucumber Bemisia tabaci then only reach 80.1% and 56.2% respectively behind the medicine.
In a word, more than narration can prove that the present invention has desirable synergistic effect, and can enlarge insecticidal spectrum.Be summarized as follows:
1, in practical application, show more excellent insecticidal activity than the agent of original single-activity composition list through composite active compound among the present invention, general synergy reaches about 20% or higher.
2, show insecticidal spectrum more widely through composite composition single agent than original single-activity composition in practical application among the present invention; The suspending agent of 25.3% (25% pyrrole propyl ether+0.3% AVM) described in formulation examples 2; Its not only the halved tie sucking pest show excellent control efficiency; Harm that simultaneously also can the better controlled lepidoptera pest, a medicine is controlled the saving of labor more and is economized this, has improved production efficiency.
3, be combined in through composite activity among the present invention and use with more conveniently in the practical application than single agent field of original single-activity composition, effect is more stable.
4, in practical application, can effectively delay the generation of insect through composite active compound among the present invention, prolong the service life of each active component each single agent resistance.
5, among the present invention through composite active compound in practical application, have select strong, natural enemy is killed and wounded few characteristic, help the ecological balance and integrated control.
6, have environment amenable characteristics through composite active compound among the present invention, help environmental protection.
7, has the characteristic of low toxicity in practical application through composite active compound among the present invention.Along with China forbidding, limit the use of the enforcement of high-toxic pesticide measure, the active compound among the present invention can play an increasingly important role.
Except that the foregoing description, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (4)
1. built reactive insecticide that contains the pyrrole propyl ether, it is characterized in that: by pyrrole propyl ether and abamectin compounded forming, wherein the weight ratio of pyrrole propyl ether and AVM is between 29: 1 to 250: 3.
2. according to the said pyriproxyfen compound active insecticide that contains of claim 1, it is characterized in that: described AVM, by avermectin Bla and Avermectin Blb, or wherein any one one-tenth is grouped into.
3. contain the pyriproxyfen compound active insecticide according to said each of claim 1～2, it is characterized in that: one or more in adding emulsifier, dispersant, stabilizing agent, bleeding agent, the antifoaming agent can be made into suspending agent, wetting powder, water dispersion granule.
According to the said pyriproxyfen compound active insecticide that contains of claim 3 in the application that prevents and treats Bemisia tabaci, rice fulgorid, rice leaf roller, striped rice borer, paddy stem borer, thrips, aphid, trialeurodes vaporariorum, leafhopper, diamond-back moth insect.
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| WO2016111661A1 (en) | 2015-01-09 | 2016-07-14 | Entovest İlaç Κi̇μυα Ve Teknoloji̇ Araştirma Merkezi Sanayi̇ Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Capsule formulation technique for insect growth regulator pyriproxyfen, a juvenile hormone analog |
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| AU2011205081A1 (en) * | 2010-08-03 | 2012-02-23 | Sumitomo Chemical Company Limited | Pest control composition |
| CN104082322B (en) * | 2014-06-19 | 2017-01-04 | 广东中迅农科股份有限公司 | A kind of containing Nylar with the insecticide acaricide composition of Bifenazate |
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| CN1947513A (en) * | 2006-11-09 | 2007-04-18 | 广东省昆虫研究所 | Synergistic agent for killing Formica rufa |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016111661A1 (en) | 2015-01-09 | 2016-07-14 | Entovest İlaç Κi̇μυα Ve Teknoloji̇ Araştirma Merkezi Sanayi̇ Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Capsule formulation technique for insect growth regulator pyriproxyfen, a juvenile hormone analog |
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Effective date of registration: 20161223 Address after: 715500 Pucheng County of Shaanxi Province agricultural base industrial park Patentee after: Shaanxi Meibang Pesticides Co., Ltd. Address before: 715500 Pucheng province Shaanxi County Chengguan Town Food City Street No. 23 Patentee before: Zhang Shaowu |
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