CN1064587A - Pesticidal combination - Google Patents

Abstract

A kind of new Synergistic insecticidal compositions is except that containing the component A that carrier and/or other auxiliary agent or thinner and is made up of the Pesticidal compound shown in the formula I, also contain a B component of forming by the compound of the one or more tool insecticidal activities that are selected from the compound shown in the formula II to XV, R in formula I ₁Be C ₁-C ₃-alkyl, R ₂Be halogen, R ₃It is hydrogen or halogen; R among formula II-XIII ₁Be hydrogen, methyl or ethyl, R ₂Be hydrogen or methyl; Said composition is particularly suitable for controlling sucking insects.

Description

Pesticidal combination

The present invention relates to a kind of new agricultural chemical composition for disinsection and preparation thereof, said composition contains the active ingredient mixture as active component, and it can be used for pest control.

The control of insect is more and more difficult, and this is that factor by two aspects causes, and promptly insect is improved active ingredient concentration and repeats the harm that repeatedly medication brings to environment to the resistance of used agricultural chemicals and in order to realize effectively control.For fear of cause disadvantageous consequence to ecology, so making great efforts to attempt to reduce the chemical substance usage amount.But, use the active ingredient of low concentration and minimizing medication number of times often can not kill the insect that is in each developmental stage fully, and can cause the generation of pest resistance.

For fear of these unfavorable factors, need the such composition of preparation come pest control, promptly little in dosage, can guarantee that insect is had sufficiently high lethality rate under the least possible situation of access times, and can not cause resistance development, can not assist the environment structure prestige yet.Once tested different materials was used in combination for satisfying above-mentioned requirements, utilized the synergy that produces in conjunction with the back.The mixture of dissimilar compounds, pyrethroid for example, carbamates and phosphoric acid ester use the active ingredient (seeing the open J60036.403 of european patent application 309893 and Japan Patent) that has been described to synergy at pesticide field with.

Subject matter of the present invention is will guarantee to reach a maximum and insecticidal effect lasting medicine under a small amount of as far as possible active ingredient situation using; kill the pest protection crops that will prevent and treat fully in that whole growth season is energy-conservation, and minimum and can provide best protection to environmental hazard to beneficial organism.

The present invention recommends a kind of synergistic activity that has, and is suitable for the composition of pest control, and it also contains B component except containing the compound as the tool insecticidal activity of component A shown in carrier and/or other auxiliary agent or thinner and the formula I

R in the formula I ₁Be C ₁-C ₃Alkyl, R ₂Be halogen, R ₃Be hydrogen or halogen,

Form by formula II to one or more Pesticidal compounds of compound shown in the X V by being selected from for B

R in the formula ₁Be hydrogen, methyl or ethyl and R ₂Be hydrogen or methyl;

The formula VIII is to X, and the compound of X III and X V is the mixture of cis and transisomer, and the ratio of cis and trans-compound may be very high or low, or pure cis-isomer or pure transisomer.Formula XI to the compound of X V can be regarded as the tautomeric forms that also comprises them.

According to the present invention, synergistic composition preferably contains as the Pesticidal compound shown in the formula I of component A, R in the formula I ₁Be C ₁-C ₃Alkyl, R ₂Be fluorine or chlorine, R ₃Be R in hydrogen or fluorine or the formula I ₁Be C ₁-C ₃Alkyl, R ₂Be the 4-fluorine, R ₃Be hydrogen, or R in the formula I ₂Be the 3-fluorine, R ₃Be 5-fluorine or R ₂Be 3-chlorine, R ₃Be hydrogen.

Consider the biologically active of medicament, synergistic composition of the present invention preferably contains the formula I a as component A, the compound shown in I b or the I c:

What also will particularly point out is that composition of the present invention contains top formula II as B component to the compound shown in the X III, preferred formula II, IV, V, X II or X III.Consider that biologically active is preferred especially, being mixed of the B component compound shown in component A compound shown in the formula I a and the formula II.

As some compound general molecular formula X III of B component, the compound particular importance shown in the general formula X III a with regard to biologically active.

Compound shown in the formula I (component A) is known basically, can be obtained (for example seeing european patent application 4,334 and 404,720 and DE-OS No.3,832,056) by known preparation method.

Below the compound that meets the formula I for particular importance of the present invention:

Can form the compound of B component, the adopted name below the compound shown in the X II is pressed has detailed record to the formula II in the given number of pages of " agricultural chemicals handbook " (the 9th edition, 1990,11) to VI and formula VII.

Compound ii trebon (P.355)

Compound III Cycloprothrin(P.196)

Compound IV Fenobucarb(P.371)

Compound V Mobucin (P.504)

Compound VI Metolcarb(P.586)

Compound VIII nuvacron (P.597)

Compound IX cypermethrin (P.208-209)

The compound X time (P.201)

The compound XI is excellent readily takes the opportunity to (P.105)

Compound X II Imidacloprid(P.491)

Compound shown in the formula VII " first Asia-Pacific insect conference collection of thesis " P.42 and 55ff(1989) on the books.

Compound shown in formula X III and the X III a has record in the european patent application of having announced 302,389.

Compound shown in the formula X IV has record in PCT patent application WO91/04965.

The insect section class that synergistic composition of the present invention is suitable for preventing and treating has: Lepidoptera, coleoptera, Homoptera, Heteroptera, diptera, thrips, orthoptera, Anoplura, Siphonaptera, Mallophaga, Thysanoptera, Isoptera, the representative insect of some of Corrodentia and Hymenoptera and Acarina.

For above-mentioned insect, use composition of the present invention, its good drug effect is equivalent to lethality rate and is at least 50-60%.

Synergistic composition of the present invention is specially adapted to prevent and treat pierce-suck type can cause destructive insect to plant, what should particularly point out is the activity of composition for preventing and controlling cicada class pest, especially the cicada class pest of hazard rice such as rice plant hopper section (comprising that rice leafhopper belongs to) are as brown plant-hopper, small brown-back rice plant-hopper, rice leafhopper and nephotettix bipunctatus.This composition also is suitable for killing be difficult to prevent and treat so-called and flies fly (Aleyrodidae, comprise Aleyrodes and insect such as sweet potato whitefly and greenhouse whitefly that some are important) in vain.

Composition of the present invention also can be used for preventing and treating those ornamental plants, useful crop, particularly crushing phytophagous insect on the cotton (as mythimna separata and tobacco budworm) and the destructiveness on cereal, fruits and vegetables crop food plant insect is (as olethreutid, Lobesia botrana, adoxophyes moth and netted volume moth and Mexico's beans

).Composition of the present invention is for killing larva, the larva of pupa and ovum, particularly phytophagous harmful insect, and pupa and ovum have superior bioactive.

Composition of the present invention can be used for preventing and treating insect listed above, and its using method is the component A in the present composition and B to be mixed use simultaneously, and perhaps A and B divide successively and and then use.Use in the time of A and B and can be implemented by so-called canned mixture, its method be the component A that will make preparation in advance with B be mixed with into common, the dilution flushing liquor.But consider the safety of use and the reliability of drug effect, use the ordinary preparation of two components more convenient, the user only needs water that it is diluted to working concentration to get final product.

According to the present invention, component A and B lump together use, and perhaps according to two components in the composition of the present invention, it can play in conjunction with ratio and improve bioactive effect.Usually, the weight ratio of A and B was from 1: 1000 to 2: 1.Preferred 1: 20 to 1: 1, preferred especially 1: 3 to 1: 5.The working concentration of (summation of A+B) suspension is generally in per 100 liters of suspension and contains effective composition 10-60g under the situation that A and B are used in combination.The preferred 20-40g of the content of active ingredient mixture in per 100 liters suspension or pulvis.When using on useful crop, per hectare soil active ingredient amount of mixture is 10-1000g, preferred 100-450g/ha.

When preparation of compositions of the present invention becomes formulation, normally carrier commonly used in component A and B and the formulation process technology and/or auxiliary agent one are reinstated known method and be processed into missible oil, the solution that can directly spray or dilute, the dilution emulsion, wetting powder, soluble powder, pulvis, granule and the microcapsule formulations in polymer.For its using method of composition can be to spray, and atomizes, dusts, spreads fertilizer over the fields or sprinkle and water, and selects for use which kind of method to decide on object and concrete environment.

Preparation promptly contains A and B, also contains the composition of solid or liquid adjuvants in case of necessity, prepared product or mixture can pass through active ingredient and replenishers, solvent for example, solid carrier also has surfactant to mix and/or grind and make through homogenate together in case of necessity.

The solvent that is suitable for is: arene, preferably contain C ₈-C ₁₂Alkylbenzene, mixture or alkylated naphthalene as dimethylbenzene, aliphatic or cycloaliphatic hydro carbons such as cyclohexane, paraffin or tetrahydronaphthalene, alcohol is as ethanol, propyl alcohol or butanols, with glycols or their ether and ester, as propane diols, dipropylene glycol ether, ethylene glycol, glycol monomethyl methyl or single ethyl ether, ketone is cyclohexanone for example, isophorone or diacetone alcohol, intensive polar solvent such as N-N-methyl-2-2-pyrrolidone N-, dimethyl sulfoxide (DMSO) or dimethyl formamide, or water, vegetable oil such as rapeseed oil, castor oil, cocoa butter or soya-bean oil; Also available silicone oil when needing.

The used solid carrier of pulvis and dispersible pulvis is natural minerals filler such as calcite, talcum, kaolin, imvite or atlapulgite normally.In order to improve the physical property of preparation, can add polymolecularity silicic acid or polymolecularity adsorpting polymerization thing.Suitable granular adsorption carrier is porous material such as float stone, brickbat, sepiolite or bentonite; Suitable non-adsorptive support is calcite or sand.In addition, many granular inorganic or organic natural goodses, particularly dolomite or powdery plant residue also can be used as the carrier use.

Suitable surface active cpd is to have well emulsify, the nonionic of dispersiveness and wetability, cationic and/or anionic surfactant." surfactant " can be regarded as usually is several surfactant mixtures.

So-called water-soluble soap and water-soluble synthetic surface reactive compound all are suitable anion surfactants.

Suitable soap refers to alkali metal salt.Alkali salt or unsubstituted higher fatty acid (C ₁₀-C ₂₂) ammonium salt such as the sodium salt or the sylvite of oleic acid or stearic sodium or the sylvite natural acid mixture that maybe can from cocoa butter or tall oil, obtain.It also can be the fatty acid methyl taurate.

But, use more be so-called synthetic surfactant, particularly aliphatic sulfonate, aliphatic sulphate, sulphonated benzimidazole derivative or alkylaryl sulfonates.

Aliphatic sulfonate or sulphate are normally with alkali metal salt, and alkali salt or the ammonium salts that does not replace or replace exist, and contain a C usually ₈-C ₂₂-alkyl also comprises the alkyl such as the lignin sulfonic acid of aryl, the sodium salt or the calcium salt of dodecyl sodium sulfonate or the fatty alcohol sulphuric acid salt mixture that obtains from natural acid.These compounds also include the fatty alkoxide ethylene oxide adduct of sulphation and sulfonation.Sulphonated benzimidazole derivative preferably contains two sulfonic acid groups and a fatty acid group that contains about 8-22 carbon atom.The example of alkylaryl sulfonates has dodecyl sodium sulfonate, sodium salt, calcium salt or the triethyl amine salt of dibutyl naphthalene sulfonic acids or naphthalene sulfonic acids and formaldehyde condensation products.Corresponding phosphate such as right-nonyl phenol also are suitable surfactants with the salt of the phosphate of an addition product of 4-14 moles of ethylene oxide.

Non-ionic surface active agent preferred aliphat alcohol or cycloaliphatic polyglycol ether derivative pure or saturated or unsaturated fatty acid and alkyl phenol, said derivative contain 3-30 polyethylene glycol ether group and reach the alkyl phenol group that contains 6-18 carbon atom in alkyl with (aliphatic) alkyl that contains 8-20 carbon atom.Other suitable nonionic surface active agent is the same POLYPROPYLENE GLYCOL of water miscible PEO, ethyl diaminourea polypropylene glycol reaches the addition product of the poly-propyl glycol of alkyl that contains 1-10 carbon atom in alkyl chain, and this addition product contains 20-250 polyethylene glycol ether group and 10-100 polypropylene glycol ether group.Usually contain 1 to 5 ethylene glycol unit in these compounds in each propane diols unit.

The representative example of nonionic surface active agent is the nonyl phenol polyethoxy ethanol, castor oil polyglycol ether, poly(propylene oxide)/PEO addition product, tributyl phenoxy group polyethoxy ethanol, polyethylene glycol and octylphenoxy polyethoxy ethanol.The fatty acid ester of polyoxy vinyl sorbitan also is suitable nonionic surface active agent as polyoxy vinyl sorbitan trioleate.

Cationic surfactant preferably contains at least one C in the N-substituting group ₈-C ₂₂Alkyl, other substituting group are not to be substituted or the low alkyl group of halo the quaternary ammonium salt of benzyl or hydroxy lower alkyl.Salt is preferably with halide, the salt that Methylsulfate or ethyl sulfuric acid salt form exist.Stearyl trimethyl ammonium chloride or benzyl two (2-chloro ethyl) ethyl ammonium bromide for example.

Surfactant commonly used in the formulation process technology has record in following publication:

“Mc Cutcheon′S Detergents and Emulsifiers Annual”，MC publishing Corp.，Glen Rock，NJ，USA，1988，

H.Stache，“Tensid-Taschenbuch”;2nd edition，C.Hanser Verlag，Munich，Vienna 1981，

M.and J.Ash，“Encyclopedia of Surfactants”，Vol.Ⅰ-Ⅲ，Chemical Publishing Co.，New York，1980-1981。

Composition of the present invention contains 0.1-99% usually, the synergy active ingredient mixture of preferred 0.1-95%, the solid of 1-99.9% or liquid adjuvants, and 0-25%, the surfactant of preferred 0.1-25%.Commodity are prepared into concentrate usually, and the end user uses the quite low dilution of active ingredient concentration (working concentration) usually.

Some preferred formulations are composed as follows (all by weight percentage; Active ingredient mixture=component A+B):

Missible oil:

Active ingredient mixture: 1-90%, preferred 5-20%

Surfactant: 1-30%, preferred 10-20%

Liquid-carrier: 5-94%, preferred 70-85%

Pulvis:

Active ingredient mixture: 0.1-10%, preferred 0.1%

Solid carrier: 99.9-90%, preferred 99.9-99%

Suspending concentrate:

Active ingredient mixture: 5-75%, preferred 10-50%

Water: 94-24%, preferred 88-30%

Surfactant: 1-40%, preferred 2-30%

Wetting powder:

Active ingredient mixture: 0.5-90%, preferred 1-80%

Surfactant: 0.5-20%, preferred 1-15%

Solid carrier: 5-95%, preferred 15-90%

Granule:

Active ingredient mixture: 0.5-30%, preferred 3-15%

Solid carrier: 99.5-70%, preferred 97-85%

Composition also can contain other adjuvant, they are stabilizing agents, as vegetable oil or epoxidized vegetable oil (epoxidation cocoa butter, rapeseed oil or soya-bean oil), defoamer such as silicone oil, preservative, viscosity modifier, adhesive, adhesive, also other active ingredient that can add fertilizer or add for some special effects.

The following example is used for that the present invention will be described, but does not limit the present invention.

Embodiment 1:

Wetting powder

a） b） c）

Component A and B(1: 5) have 25% 50% 75%

Imitate constituents mixt

Sodium lignin sulfonate 5% 5%-

NaLS 3%-5%

Diisobutyl sodium naphthalene sulfonate-6% 10%

Octyl phenol polyglycol ether-2%-

(oxirane of 7-8 mole)

Polymolecularity silicone oil 5% 10% 10%

Kaolin 62% 27%-

Active ingredient is mixed with auxiliary agent, and mixture thoroughly grinds in a suitable mill, and the wetting powder dilutable water that obtains becomes the suspension of desired concn.

Missible oil

Active ingredient mixture A and B(1: 4) 10%

Octyl phenol polyglycol ether (4-5 moles of ethylene oxide) 3%

Calcium dodecyl benzene sulfonate 3%

Castor oil polyglycol ether (36 moles oxirane) 4%

Cyclohexanone 30%

Xylene mixture 50%

This concentrated milk oil of dilute with water can obtain any emulsion that needs concentration.

Pulvis

a） b） c） d）

Active ingredient mixture 5% 8% 0.1% 0.3%

A and B(1: 5)

Talcum 95%-99.9%-

Kaolin-92%-99.7%

The active ingredient mixture is mixed with carrier: in a suitable mill, grind and to obtain the finished product pulvis.

The extruding granule

Active ingredient mixture A and B(1: 5) 10%

Sodium lignin sulfonate 2%

Carboxymethyl cellulose 1%

Kaolin 87%

With active ingredient mixture and auxiliary material mixed grinding, with extruder grain after the water-wet, then at air drying.

Coated granule

Active ingredient mixture A and B(1: 3) 3%

Polyethylene glycol (molecular weight 200) 3%

Kaolin 94%

In blender, levigate active ingredient mixture is added to equably with on the wetting kaolin of polyethylene glycol, can obtain non-dusting coated granule with the method.

Suspending concentrate

a） b） c）

Active ingredient mixture A and B 40% 50% 60%

（1∶5）

Ethylene glycol 10% 10% 8%

Nonyl phenol polyglycol ether 6% 6% 5%

(15 moles of ethylene oxide)

Sodium lignin sulfonate 10% 10% 5%

Carboxymethyl cellulose 1% 1% 1%

75% silicone oil water-in-oil emulsion 1% 1% 1%

Water 32% 22% 20%

Levigate active ingredient mixture is obtained a dilutable water with the tight mixing of auxiliary agent become any concentrated suspension that needs concentration suspension.

Embodiment 2: control rice cicada-field trial

To be grown in 36cm ²Be about trimestral rice plant draw with manual method and connect rice small brown rice planthopper and rice leafhopper campaign in the experimental plot.These two kinds of rice insect pests draw to connect and finish, and the plant that part is infected is handled for medication.When all being infected by insect pest, with the insecticidal active ingredient or the active ingredient mixture process sub-district of making pulvis for the examination plant.Evaluating drug effect was handled back 2 days and 39 days (rice small brown rice planthopper) or 7 days (rice leafhopper) carries out in medication, with the counting device determining still pupa of movable insect colony, and the quantity of larva and adult and compare with not medication processed group (% activity).These field trials are by every kind of examination worm, and active ingredient or active ingredient mixture are established three parallel tests.

Result of the test sees Table II

Result of the test shows, mixture by using chemical compounds I a and compound ii is until rice harves, can be with the very low degree that is controlled at of insect pest, output is loss not, has also prevented the generation of the rice disease (" hopper burn ") that caused as transmitted virus by insect simultaneously.Use chemical compounds I a or II separately, it can not obtain the effect of protecting the paddy rice harvest fully.

Embodiment 3: control rice small brown rice planthopper-field trial

This experimental condition is with embodiment 2, mixes with compound ii and IV respectively with chemical compounds I a and tests, and Synergistic blend is processed into missible oil (rather than pulvis) for examination (referring to 13 pages), and the aqueous solution of preparation sprays with conventional sprayer unit.

The results are shown in following table III:

The table III

Active ingredient and consumption	The active % of control rice small brown rice planthopper
			After 2 days	After 14 days
	Compound ii (100 gram/hectare) Compound I a(30 gram/hectare) and the mixture of compound III (100 gram/hectare) Compound I a(30 gram/hectare)	0％ 48％ 72％			12％ 48％ 85％
Compound I a(60 gram/hectare) compound IV (500 gram/hectare) Compound I a(60 gram/hectare) with the mixture of compound and IV (500 gram/hectare)			0％ 52％ 76％	3％ 58％ 79％

Embodiment 4: the ovicidal action of control tobacco budworm

The filter paper that will contain 50 tobacco budworm ovum (ovulation is no more than 24 hours) is placed in the culture dish of the about 5cm of diameter, and the agar medium of one deck for larval feeding arranged at the bottom of the ware.The aqueous solution 0.8 milliliter (this aqueous solution is prepared by corresponding missible oil) that contains effective composition or active ingredient mixture with pipette, extract is evenly distributed in the surface of feed in the culture dish.Behind aqueous solution evaporate, a plastic beaker that has three small holes is placed on the culture dish.The ovum that with medicament is handled is 28 ℃ ± 2 in temperature, and hatches in the growth case with dim light.4 days post-evaluation ovicidal activities, the degree that 7 days post-evaluation larvicidal activities and larvae development are suppressed.

Shown in the IV below with the result of the test that the control group of not medication processing is compared:

Can find out that from top result of the test active ingredient has been used very significant synergistic effect with.Its active ingredient of Synergistic blend inhibition degree to larvae development under very low concentration reaches 100%, and this has crucial practical significance.

Embodiment 5: the quantitative assay of synergistic effect-and to the ovicidal activity of tobacco budworm

With the experimental technique of embodiment 4 basis, measure as the chemical compounds I a of component A and compound ii, IV, X II and the mixed synergistic activity of X III a as B component as the synergistic effect quantitative assay.

At first, go out the percentage activity of each its active ingredient concentration of single active ingredient with untreated control group comparative measurements, it as a function.The probability analysis method (probability analysis, second edition, Cambridge University Press, 1952) of pressing D.J.Finney goes out corresponding concentration one rate curve that causes death with the data computation of test determination.From these curves, can find out the LC of each material ₅₀Value (causing testing the concentration of colony's 50% lethality rate) is as follows:

Then, each single material is by they LC separately ₅₀Value is mixed pro rata.Also as above measure the LC of these mixtures ₅₀Value.

Estimate:

By means of these LC ₅₀Value is according to the Cotox formula calculating synergic ratio (PR) of L.Banki, yardstick (the Bioassay of pesticides in the Laboratory Research and Quality Control of PR as the constant synergistic effect, P.313, Akademia Kiado, Budapest, 1978).

Calculate synergic ratio (PR) with following formula:

Denominator LC in the following formula ₅₀(A+B) the component A that obtains of the test of representative by agricultural chemicals and the lethal concentration of 50 value of B active ingredient mixture, and

The expectation lethal concentration of 50 value of expression mixture, it is obtained by following formula:

μ A represents relevant component relative scale (mixing ratio and LC separately in total mixture in the mixture with μ B value in the formula ₅₀Value is proportionate).μ A and μ B value sum are 1.

The PR value is greater than synergistic effect is arranged between 1 each component of expression mixture:

Compound X III a can see that the concentration ratio that mixes with chemical compounds I a such as compound X III a is, then the LC of mixture at 1: 0.0015 o'clock from table V and table VI ₅₀Value is 4.13ppm, and this value is equivalent to pure compound X III a LC approximately ₅₀/ 3rd (13.14ppm) of value.

Embodiment 6: the action of contace poison of control sweet potato whitefly

The potted plant short beans plant of handling to medication is not drawn and connects sweet potato whitefly (white fly) (each plant draw connect 40 adults that lose sexual function).With a plastics garden tube cover examination worm can be fixed on the plant.In the two day time after laying eggs, make all adults break away from plant.Drive away adult and (during this time, sprayed plant until droplets fall is arranged for the water-in-oil emulsion (concentration 400ppm) that tries composition in ten days afterwards with the present invention.Behind the spray medicine 14 days, measure percentage that incubation rate reduces and compare evaluate efficacy with untreated contrast.Test is carried out in the case in growth, 26 ℃ of temperature, and relative moisture is approximately 50%, 14 hours every days of illumination, intensity of illumination 10000Lux.

In this test, compositions table of the present invention has revealed good synergistic activity.

Embodiment 7: the moth-eaten moth of control apple, the ovicidal action of brown Acleris spp of apple and grape codling moth (Clysia ambiguella)

Above three planting fruit-trees insects lay eggs at it and be no more than the paper slip that will contain ovum in 24 hours and be cut into and contain the ovum number on each small piece of paper and be approximately 50.The scraps of paper with these band worm's ovums are placed on by making impregnation process in the 400ppm water-in-oil emulsion of the present invention for the preparation of examination composition then, soak in the several seconds three times.After waiting to supply reagent liquid to do, ovum is placed in the culture dish of diameter 5cm, maintains the temperature at about 26 ℃, and relative moisture is 80%, and every day, light application time was 14 hours, and intensity of illumination is about 2000Lux.Be placed between the cloth filter paper of two circles in the culture dish through the moth-eaten moth ovum of the apple of chemicals treatment, filter paper is placed under the culture dish lid and reaches on the lepidoptera pest foodstuff that pours in advance of culture dish bottom.Measure the larva percentage from ovum, hatched after 6 days, and the evaluate efficacy (percentage that incubation rate reduces) of comparing with the untreated control group.

This test in, compositions display of the present invention good synergistic activity.

Embodiment 8: the effect of control tobacco budworm

Spray bean seedlings with the aqueous emulsion (400ppm) of the present composition, after the soup that covers the bean seedlings surface is done, on bean seedlings, draw 10 of tobacco budworms that connect an age, then bean seedlings are placed among the plastic containers.6 days post-evaluation drug effects.The plant of handling by medication relatively and not the degree that endangered of the dead borer population on the medication adjoining tree of handling and plant can measure the percentage (% activity) that percentage that examination worm colony reduces and plant are injured.

In this test, compositions display of the present invention goes out good synergistic activity.

Embodiment 9: prevent and treat the effect of littoral mythimna separata

With concentration is the present composition aqueous emulsion sprinkling bean seedlings of 400ppm.After the soup of waiting to cover the bean seedlings surface is done, on bean seedlings, draw the littoral mythimna separata that connects 10 three ages, draw and bean seedlings are placed in the plastic containers after connecing.Three days post-evaluation drug effects.By measuring the percentage of insect colony minimizing and the percentage (% activity) that plant is injured and reduces be untreated plant comparison mythimna separata death toll and plant extent of injury.

In this test, compositions display of the present invention has gone out good synergistic activity.

Embodiment 10: the activity of control diamond-back moth

With concentration is that 400ppm composition aqueous emulsion of the present invention is sprayed the Chinese cabbage shoot.Soup to be covered draws the diamond-back moth that connects 10 three ages after doing on every strain Chinese cabbage, the plant of drawing after connecing is placed in the plastic containers.Three days post-evaluation drug effects.By measuring the percentage (% activity) that percentage that insect colony reduces and plant are injured and reduce with the death toll of the smaller diamond-back moth of plant of being untreated and dish seedling victimization state.

In this test, compositions display of the present invention has gone out good synergistic activity.

Embodiment 11: the effect of control Crocidlomia binotalis Caterpillars

With concentration is the present composition sprinkling Chinese cabbage shoot of 400ppm.After treating that soup is done, draw the examination worm that connects 10 three ages on the Chinese cabbage shoot, the plant that will draw after connecing is placed in the plastic containers.Three days post-evaluation drug effects are measured examination worm colony and are reduced the percentage plant minimizing percentage of being injured when by relatively trying worm death toll and plant victimization state with the plant of being untreated.

In this test, compositions display of the present invention goes out good synergistic activity.

Claims (20)

1, a kind of synergistic composition that is used for pest control except containing carrier and/or other auxiliary agent or thinner, outside the component A, also contains B component, and component A is the compound of the tool insecticidal activity shown in the formula I,

(Ⅰ)

R in the formula ₁Be C ₁-C ₃-alkyl, R ₂Be halogen, R ₃Be hydrogen or halogen, B component is to be selected from the compound of formula II to the one or more tool insecticidal activities shown in the XV,

R in the formula ₁Be hydrogen, methyl or ethyl, R ₂Be hydrogen or methyl;

。

2,, contain as the compound (R in the formula shown in the formula I of the tool insecticidal activity of component A according to the synergistic composition of claim 1 ₁Be C ₁-C ₃-alkyl, R ₂Be fluorine or chlorine, R ₃Be hydrogen or fluorine) and be selected from the claim 1 listed formula II to the compound of X V as B component.

3,, contain compound (R in the formula as the tool insecticidal activity shown in the formula I of component A according to the synergistic composition of claim 2 ₁Be C ₁-C ₃-alkyl, R ₂Be the 4-fluorine, R ₃Be hydrogen, or R ₂Be the 3-fluorine, R ₃Be the 5-fluorine, or R ₂Be 3-chlorine, R ₃Be hydrogen) and as B component in claim 1 cited formula II to the compound of X V.

4,, contain as the compound shown in the formula I a of component A with as B component according to the synergistic composition of claim 3

（Ⅰa）

Be selected from the compound of the cited formula II of claim 1 to the X V.

5,, contain as the compound shown in the formula I b of component A with as B component according to the synergistic composition of claim 3

（Ⅰb）

Cited formula II in claim 1 to the compound of X V.

6,, contain as the compound shown in the formula I c of B component with as B component according to the synergistic composition of claim 3

（Ⅰc）

Cited formula II in claim 1 to the compound of X V.

7,, contain formula II as B component to the compound shown in the X III according to the synergistic composition of claim 1.

8,, contain as B component and at the cited formula II of claim 1, IV, V, the compound in X II or the X III according to the synergistic composition of claim 1 or 4.

9,, contain the compound shown in the formula II that in claim 1, has provided as B component according to the synergistic composition of claim 1 or 4.

10,, contain as the compound shown in the formula X III a of B component according to the synergistic composition of claim 1 or 8.

11, according to each synergistic composition in the claim 1 to 10, contain component A and B, its weight ratio is 1: 1000 to 2: 1, preferred 1: 20 to 1: 1.

12, a kind of method of pest control, comprise that use is handled according to the synergistic composition with insecticidal activity of claim 1 or contact insect or insect autoeciously.

13, according to the method for the insect of the control feeding plant of claim 12.

14, according to the method for the control of claim 13 insect of feeding plant on the fruit of growth and grape.

15, according to the brown Acleris spp of control apple of claim 14, the method for moth-eaten moth of apple and grape codling moth (Clysia ambiguella).

16, according to the method for the controlling sucking insects of claim 12.

17, according to the method for the sucking pest on the control paddy rice of claim 16.

18, according to the controlling sucking insects sweet potato whitefly of claim 16 and the method for greenhouse whitefly.

19, according to the method for the control rice cicada of claim 17.

20, according to the control brown plant-hopper of claim 19 and the method for rice leafhopper.