CN103749521A - Insecticidal composition - Google Patents
Insecticidal composition Download PDFInfo
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- CN103749521A CN103749521A CN201310724600.8A CN201310724600A CN103749521A CN 103749521 A CN103749521 A CN 103749521A CN 201310724600 A CN201310724600 A CN 201310724600A CN 103749521 A CN103749521 A CN 103749521A
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Abstract
The invention provides an insecticidal composition. The insecticidal composition contains an active compound, namely spirodiclofen diester represented by a formula (I) shown in a drawing, and an active compound, namely lambda-cyhalothrin represented by a formula (I) shown in a drawing. The insecticidal composition is prepared through the binary compounding of the active compound represented by the formula (I) and the active compound represented by the formula (II), a synergistic effect on the control of insects is achieved, the dosage of the two active ingredients is lowered, the generation of resistance is delayed, and the control spectrum is expanded.
Description
Technical field
What a kind of Pesticidal combination of the present invention related to is a kind of Pesticidal combination containing reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin and uses thereof.
Background technology
Mite class is commonly called as two spotted spider mite, belongs to arachnoide pest, is one of the important pests of the various crop such as fruit tree, cotton, Solanaceae, vegetables and ornamental flower that causes harm, and common harmful mite belongs to Acariformes and Acarina more.Leaf, stem and flower etc. that mite class mainly causes harm plant, sting the cauline leaf of inhaling plant, and there is the yellowish-brown point of a large amount of needle points size chlorosis in initial stage leaf front, and anaphase blade starts from the bottom up chlorosis and crispaturas, even comes off.Sometimes from plant middle part blade, start to occur, blade flavescence gradually, come off.Evil mite occurs from generation to generation many, and fertility is strong, and under suitable temperature and humidity conditions, energy acarid quantity within a short period of time can be doubled and redoubled rapidly, to crops, causes very large harm.Evil mite to acaricide agent easily develop immunity to drugs, if not control in time when serious generation, the blade of the crop that is injured can chlorosis turn white, and withers and falls in advance.Under the torrid zone and greenhouse experiment, all can occur the whole year.The height of temperature has determined the number of growth cycle, reproduction speed and the egg laying amount of each worm state of mite class.The weather conditions of extreme arid torrid climate tend to cause its large generation.
Because mite class generating capacity is large, the breeding cycle is short, hidden, and resistance rises fast, is difficult to control, so use chemical pesticide preparation to remain the main method of mite evil in control agricultural production.In addition, affect the insect that also has other kinds of plant growth and last output the same period, as aphid, cotton bollworm.
Spiral shell mite dibasic acid esters molecular formula: C20H22Cl2O5, relative molecular mass: 413.29, chemical name is: 3-(2,4-dichlorophenyl)-2-oxo-1-oxaspiro [4,5]-last of the ten Heavenly stems-3-alkene-4-base butyl carbonate.Its molecular structural formula is:
As the mechanism of action of acaricidal spiral shell mite dibasic acid esters, be mainly the Fatty synthesis suppressing in pest mite body, and between existing miticide without cross resistance, be applicable to for control, existing miticide be produced the pest mite class of resistance.This medicament kills mite and composes wide, strong adaptability, and two spotted spider mite, yellow spider, Xiu Pi lice, yellow tea mite, Tetranychus cinnabarinus and Tetranychus urticae etc. are all had to fine preventive effect, and the mite evil that can be used for the solanaceous crops such as the fruit trees such as citrus, grape and eggplant, capsicum, tomato is administered; Ovicidal effect is excellent especially, if children mite is also had to good action of contace poison simultaneously, and lasting period length can be controlled citrus red mite (crm) harm and reaches 40-50 days.
Gamma cyhalothrin (Lambda-cyhalothrin), chemical name: 3-(2-chloro-3,3,3 ,-trifluoropropene base)-2,2-dimethyl cyclopropane carboxylic acid alpha-cyano-3-phenoxybenzyl ester, its molecular structural formula is:
Gamma cyhalothrin is pyrethroid Insecticidal and acaricidal agent; Take and tag with stomach poison function as main; Mechanism of action is that insecticidal spectrum is wide by suppressing the conduction at insect neural axon position, insect being had to the effect of walking quickly and keeping away, knocking down and killing, and activity is higher, and drug effect is rapid, resistance of rainwater washing against after spraying; To various pests and other insects such as the Lepidopteras such as wheat, corn, fruit tree, cotton, brassicaceous vegetable, coleoptera and Semipteras, and tetranychid, rust mite, goitre mite, tarsonemid etc. have good result, when worm, mite are concurrent, can doublely control.Pink bollworm and cotton bollworm, cabbage caterpillar, turnip aphid, tea geometrid, tea caterpillar, pink tea rust mite, leaf goitre mite, oranges and tangerines leaf moth, tangerine aphid and oranges and tangerines tetranychid, rust mite, peach fruit borer and oriental fruit moth etc. be can prevent and treat, multiple earth's surface and public health insect also can be used to prevent and treat.As prevent and treat pink bollworm, cotton bollworm, second and third in generation ovum contain phase, with 1000～2000 times of liquid of 2.5% missible oil, spray, doublely control two spotted spider mite, bridging worm, cotton leaf bug; Control cabbage caterpillar, vegetable aphid are respectively with 6～10mg/L, the spraying of 6.25～12.5mg/L concentration; Control phyllocnistis citrella stainton is sprayed with 4.2～6.2mg/L concentration.The insect of sucking mouth parts and evil mite are had to certain preventive effect, and the mechanism of action and sumicidin, flucythrinate are identical, and different is that it has good inhibitory action to acarid.
At present, gamma cyhalothrin is independent use mostly, although it can suppress mite class quantity when mite class initial stage of origination is used, rises, and quick-acting is better; But when mite class occurs in a large number, just lose control of its quantity, so lasting effect is not good, easily produces resistance, can only be part-time for rushing mite, can not be for specialized acaricide; And use separately in addition spiral shell mite dibasic acid esters to exist becoming mite weak effect, the defect that quick-acting is poor.So, use separately above-mentioned two kinds of miticides on miticidal effect, all not reach desirable object.
The typical object occurring in field of pest control is need to reduce dose rate and the reduction of control active component or avoid hostile environment or toxicology impact, still allows effective control of insect simultaneously.Also need to combine the control of knocking down activity and extending, i.e. the pest control agent of snap action and long-acting.
Another difficulty of use of insecticide is repetition and uses uniquely single Pesticidal compound cause in many cases natural to described active ingredient deposits yields or adapt to the quick selection of drug-fast insect.Therefore, need to contribute to prevent or overcome drug-fast pest control agent.
Summary of the invention
The present invention seeks to as solving above-mentioned at least one problem or its at least one aspect, in particular for effectively controlling pest, through large number of biological test screen, the unexpected discovery of the inventor can prevent spiral shell mite dibasic acid esters and gamma cyhalothrin combination or control pest for effective.Surprisingly, the activity of the combination of reactive compound of the present invention control pest is much higher than independent active ingredient physical performance summation.This unexpected effect is real synergistic effect, and is not only supplementary function.
Therefore, an object of the present invention is to provide a kind of Pesticidal combination containing reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin and uses thereof.
Another object of the present invention is to provide at least one solution in described problem, as the insecticide mixtures of control or the pesticide resistance management of activity and prolongation, delaying drug resistance are knocked down in depressant dose rate, raising activity profile or combination.
A kind of Pesticidal combination is to take following technical scheme to realize:
A Pesticidal combination, comprises reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin, and the weight ratio of described reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin is that 50:1 is to 1:50.
A Pesticidal combination, comprises reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin, the weight ratio of described reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin be or 25:1 to 1:25.
A Pesticidal combination, comprises spiral shell mite dibasic acid esters and gamma cyhalothrin, the weight ratio of described spiral shell mite dibasic acid esters and gamma cyhalothrin be or 10:1 to 1:10.
A Pesticidal combination, comprises spiral shell mite dibasic acid esters and gamma cyhalothrin, the weight ratio of described spiral shell mite dibasic acid esters and gamma cyhalothrin be or 5:1 to 1:5.
A Pesticidal combination, comprises spiral shell mite dibasic acid esters and gamma cyhalothrin, it is characterized in that the weight of described spiral shell mite dibasic acid esters and gamma cyhalothrin accounts for described composition 5%-90% by weight altogether.
A Pesticidal combination, comprises reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin, it is characterized in that described spiral shell mite dibasic acid esters and gamma cyhalothrin account for described composition 10%-80% by weight altogether.
A Pesticidal combination, comprises reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin, it is characterized in that described spiral shell mite dibasic acid esters and gamma cyhalothrin account for described composition 10%-50% by weight altogether.
According to Pesticidal combination of the present invention, also comprises surfactant and/or extender.
Pesticidal combination of the present invention, formulation is missible oil, suspending agent, seed coat agent, water dispersible granules, wetting powder, suspension emulsion, aerosol, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent, ultra low volume liquids.
Pesticidal combination of the present invention, also comprises one or more other active components.
On the other hand, the present invention also provides a kind of Pesticidal combination according to the present invention for preventing or control the purposes of pest, and wherein pest is Insecta, arachnids.
Preferably, the purposes of described Pesticidal combination for preventing and treating cotton bollworm, aphid or two spotted spider mite.
On the other hand, the present invention also provides a kind of prevention or has controlled the method for pest, Pesticidal combination of the present invention is acted on to the propagating materials of target useful plant, target pest or its environment, target useful plant.Described plant propagation material is seedling, rhizome, garden seedling, cutting or seed.
Described a kind of prevention or control the method for pest, wherein reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin each naturally through the form of compositions formulated.
Cover crop in case a method for pest invasion and attack comprise crop contacted with the Pesticidal combination that contains reactive compound spiral shell mite dibasic acid esters and gamma cyhalothrin.
A method for prevention or control pest, comprises separately, uses successively or simultaneously spiral shell mite dibasic acid esters, gamma cyhalothrin.
Another object of the present invention is to provide a kind of for preventing or the kit of Control pests, and it comprises spiral shell mite dibasic acid esters and gamma cyhalothrin.
A kind of Pesticidal combination of the present invention has following 5 points by both composite benefits:
Active sum when A, described insecticidal activity are used separately over described two kinds of reactive compounds; This makes the amount of optimizing reactive compound used become possibility;
B, both are mixed, solved the problem of lasting period and quick-acting, thereby minimizing medication number of times have reduced cost of labor;
C, delayed the generation of resistance: both mechanisms of action and the mode of action are completely different, after combination, have tag, stomach toxicity, ovicidal and reduce the effect of spawning rate and incubation rate, thereby insect is more easily killed, thereby delayed the generation of resistance;
D, expanded the control spectrum of spiral shell mite dibasic acid esters, thereby a drug can play the double effect of controlling of worm mite
E, to have solved the gamma cyhalothrin lasting period short, the problem easily developing immunity to drugs.
Embodiment
The present invention finds: not only can bring the additive property for insecticidal spectrum to improve spiral shell mite dibasic acid esters and gamma cyhalothrin combination, but also realize amazing synergy.
Term used herein " synergy " refers to that the insecticidal effect of activating agent combination of the present invention or composition is greater than each activating agent effect sum, and in other words, its effect is superadditivity.
The invention provides a kind of Pesticidal combination that spiral shell mite dibasic acid esters and gamma cyhalothrin are active component that comprises.
The invention provides a kind of Pesticidal combination that spiral shell mite dibasic acid esters and gamma cyhalothrin are active component that comprises, wherein spiral shell mite dibasic acid esters and gamma cyhalothrin weight ratio be 50:1 to 1:50, preferably 25:1 is to 1:25, more preferably or 10:1 to 1:10,5:1 is to 1:5.
In the present composition, the total amount of active compound component can be selected according to material elements, to realize desired effect.Described factor for example, formulation, object to be administered, application process etc.Spiral shell mite dibasic acid esters and gamma cyhalothrin altogether account for described composition by weight 5% to 90%, preferably 10% to 80%, more preferably 20% to 50%.
Composition of the present invention optionally comprises acceptable surfactant or extender on agronomy.
According to the present invention, term " filler " refers to can be combined with reactive compound or for example combine, so that it is easier to be administered to the natural or synthetic organic or inorganic compound of object (plant, crop or careless class).Therefore, described carrier is preferably inertia, at least should be agronomically acceptablely.Described filler can be solid or liquid.
In the present invention, operable inactive filler can be both that solid can be also liquid, can be used as for example having that solid-filling agent used: the phyteral powdery type (particle of soybean meal, starch, grain dust, wood powder, bark powder, sawdust, walnut shell powder, wheat bran, cellulose powder, coconut husk, corncob and tobacco stem for example, extract residue after plant essence etc.), paper, sawdust, pulverize synthesized polymer body, clay class (such as kaolin, bentonite, acid china clay etc.), the talcum powder class of synthetic resin etc.Silica (for example diatomite, silica sand, mica, moisture silicic acid, calcium silicates), chemical fertilizer, the clay fertilizer of active carbon, natural mineral matter class (float stone, attapulgite and zeolite etc.), the inorganic mineral powder of firing diatomite, sand, plastics medium etc. (such as polyethylene, polypropylene, polyvinylidene chloride etc.), potassium chloride, calcium carbonate, calcium phosphate etc., ammonium sulfate, ammonium phosphate, urea, ammonium chloride etc., these materials can be used separately or two or more is mixed.
Can be used as can selecting of liquid filling agent use in following material, water for example, alcohol type (methyl alcohol for example, ethanol, isopropyl alcohol, butanols, ethylene glycol etc.), ketone (acetone for example, methyl ethyl ketone, isobutyrone, cyclohexanone etc.), ethers (ether for example, dioxanes, methylcellulose, oxolane etc.), aliphatic hydrocarbon class (kerosene for example, mineral wet goods), aromatic hydrocarbons class (benzene for example, toluene, dimethylbenzene, solvent naphtha, Fluhyzon, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene, Deng), halogenated hydrocarbon class, amide-type, sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, animal wet goods.
For making the emulsification of active ingredient compound, disperse, solubilization, and/or wetting can use surfactant for example can enumerate fatty alcohol-polyoxyethylene ether, polyoxyethylene alkylaryl ether, polyoxyethylene high-grade aliphatic ester, the phosphate of polyoxyethylene alcohol or phenol, the fatty acid ester of polyalcohol, naphthalene sulfonic acids polymer, lignosulfonates, a shape copolymer of macromolecule comb shape, butyl naphthalene sulfonate, alkylaryl sulfonates, alkyl sodium sulfosuccinate, grease, fatty alcohol and ethylene oxide condensate, the polyacrylate of alkyltaurate, protein hydrolysate.Suitable oligosaccharide thing or polymer, for example combination of the vinyl monomer based on independent, acrylic acid, polyoxyethylene and/or polyoxypropylene or itself and for example (polynary) alcohol or (polynary) amine.
For making the dispersion of active ingredient compound, stabilisation, adhering to, can use such as adjuvants such as xanthans, aluminium-magnesium silicate, gelatin, starch, methyl cellulose, polyvinyl alcohol, polyvinyl acetate and natural phospholipid (as cephalin and lecithin) and synthetic phospholipid, bentonite, sodium lignin sulfonates.
The optional spent glycol of antifreezing agent wherein, propane diols, glycerine, sorbierite.Deflocculant as suspension product can be used the adjuvant such as naphthalene sulfonic acids polymer, polymeric phosphate etc.As defoamer, can use silicone defoaming agent.For the mobility of improvement solid product, can use adjuvants such as paraffin, stearate, alkylphosphonate.
Operable colouring agent, inorganic pigment for example, as iron oxide, titanium oxide and Prussian blue; And organic pigment/dyestuff: alizarin dyes, azo dyes and metal phthalocyanine dyestuff; And trace element, for example molysite, manganese salt, boron salt, mantoquita, cobalt salt, molybdenum salt and zinc salt.
Optionally, also can comprise other annexing ingredient, for example protecting colloid, adhesive, thickener, thixotropic agent, bleeding agent, stabilizing agent, screening agent.
The formulation of described a kind of Pesticidal combination containing spiral shell mite dibasic acid esters and gamma cyhalothrin is: aerosol, suspending agent, micro-capsule granula, granula subtilis, concentrate can flow, ready to use solution agent, pulvis, aqueous emulsion, oil emu, fine granule, oil dispersion powder, the miscible mobility concentrate of oil, the miscible liquid of oil, foaming agent, paste, suspending concentrate, suspension emulsion, solubility concentrates thing, soluble powder, granule, water-soluble granular and/or tablet, water solube powder, wetting powder, natural or synthetic material through reactive compound dipping, microcapsules in polymeric material and water-dispersible granule.
In preferred embodiments, described agricultural insecticide composition is missible oil, suspending agent, seed coat agent, water dispersible granules, wetting powder, suspension emulsion, aerosol, aqueous emulsion, microcapsule suspending agent, microcapsule suspension suspending agent, ultra low volume liquids.
Described preparation of the present invention can be mixed described reactive compound to prepare with conventional additives by known way.Described conventional additives is as conventional extender and solvent or thinner, emulsifier, dispersant and/or adhesive or fixative, wetting agent, waterproofing agent, if need, can also comprise drier and colouring agent, stabilizing agent, pigment, defoamer, preservative, thickener, water and other processing aid.
These compositions not only comprise and can be applicable to immediately pending object as spraying or dusting equipment by suitable equipment, but also be included in to be applied to, need the concentrated business composition that dilutes before object.
Composition of the present invention can be made the preparation that is suitable for using with the form of the composition of its active compound component, also can use with the form of the combination of the commodity preparation of its suitable dosage.
Composition of the present invention can also be co-administered with other active component, such as fungicide, bactericide, attractant, insecticide, miticide, nematocide, growth regulator, weed killer herbicide, safener, fertilizer or semiochemical etc. of described other active component.
A kind of Pesticidal combination containing spiral shell mite dibasic acid esters and gamma cyhalothrin of the present invention; just there are good plant compatibility and favourable homeothermal animal toxicity; be suitable for pest, especially Insecta and arachnids that control runs in agricultural, forestry, protection Stored Product and material and health field.They have activity for the species of common sensitivity and resistance, and all have activity for all or single developmental stage.
Using term " pest " to mean herein can be to the damnous any organism of the normal condition of plant.Comprise:
Lepidoptera pest for example comprises: striped rice borer (chilosuppressalis(walker), paddy stem borer (Tryporyzaincertulas(walker)), rice leaf roller (cnaphalocrocismedinalisGuenee), cabbage heart snout moth's larva (hellullaundalis), dichocrocis punctiferalis (conogethespunctiferlis), papilio xuthus Linnaeus (papilioxuthus), small cabbage white moth (pierisrapaecrucivora), straight burr rice hesperiidae (parnaraguttata), tent caterpillar (malacosoma Neustria testacea), gypsymoth (lymantriadispar), fall webworm (hyphantriacunea), east poison moth (euproctissubflava), black line slug moth (scopelodescontracus), cotton bollworm (helicoverpaarmigera), Pectinophora gossypiella (Pink bollworm), cabbage looper (trichoplusiani), tomato moth (mamestrabrassicae), beet armyworm (spodopteraexigua), prodenia litura (spodopteralitura), tea olethreutid (adoxophyesoranafasciata), leaf roller (adoxophyeshonmai), apricot yellow volume moth (archipsfuscocureanus), tea long paper moth (homonamagnanima), diamond-back moth (plutellaxylotella), pink bollworm (pectinophoragossypiella).
Coleopteran pest for example comprises: rice weevil (sitophilusoryzaelinne), oranges and tangerines leaf mining first (Podagricomela nigricollis Che), corn weevil (S.zeamails), grain weevil (S.granarius), large daikon leaf beetle (Cabbageleafbeetle), daicon leaf beetle (Daikon leaf beele), flea beetle (fleabeetle), grape flea beetle (Alticachalybea), cabbage flea beetle (phyllotretastriolata), cucumber flea beetle (Epitrixcucumeris), tobacco flea beetle (Ehirtipennis), eggplant flea beetle (E.fuscula), aulacophora femoralis (Aulacophoraindica(Gemlin), leaf mustard chrysomelid (Phaedon cochleariae) etc.
Diptera pest for example comprises: the rice fly (agromyzaoryzae) of diving, hydrellia griseola (hydrelliagriseola), flameray gerbera liriomyza bryoniae (liriomyzatrifolii), the pea leaf fly (chromatomyiahorticola) of diving, Liriomyza brponiae (liriomyzabryoniae), delia platura (deliaplatura), fly (deliaantiqua) Mediterranean fruitfly (ceratitiscapiatawiedgman) is planted on green onion ground, Rhagoletis pomonella (Rhagoletispomonella), cherry fruit fly (R.cingulata).
Semiptera insect for example comprises: smelly stinkbug (megacoptapunctatissimum), cabbage bug (eurydemarugosum), large thorn white star stinkbug (eysarcorislewisi), white star stinkbug (eysarcorisparvus), green rice bug (nezaraviridula), Si Shi amber stinkbug (plautiastali), clerodendron trichotomum stinkbug (halymorphamista), rice spiny coreid (cletuspunctiger), China's Leptocorisa spp (leptocorisachinensis), cuckoo lace bug (stephantispyrioides), red palpus fleahopper (trigonotyluscoelestialium).
Homoptera pest comprises for example rice leafhopper (nephotettixcincticeps), small brown rice planthopper (laodelphaxstriatellus), brown plant-hopper (nilaparvatalugens), white-backed planthopper (sogatellafurcifera), pear sucker (psyllapyrisuga), oranges and tangerines wood louse (diaphorinatabaci), Bemisia tabaci (bemisiatabaci), aphid (homoptera), apple aphid (eriosomalanigerum).
In Hymenoptera (hymenoptera), there are yellow-winged cabbage sawfly (athaliarosaeruficornis), rose sawfly (argepagana), Black Hills ant (formica japonica), chestnut cynipid (dryocsmuskuriphilus) etc.
Thrips insect, for example thrips (HaplothripsChinensisPriesner).
The insect of arachnids (Arachnida).Panonychus citri (panonychus citri) for example, Tetranychus cinnabarinus (Tetranychus cinnabarinus), panonychus ulmi (panonychus ulmi), T.urticae Koch (tetranychus urticae), tetranychus viennensis (tetranychus viennensis), oligonychus ununguis (oligonychus ununguis) oranges and tangerines beginning tetranychid (eotetranychus kankitus), purplish red short hairs mite (brevipalpus phoenicis), Bryobia praetiosa (bryobiapraetiosa), wheat leaf roll mite (aceria tulipae), grape erineum mite (Eriophyes vitis) (colomerus vitis), tealeaves goitre mite (calacarus carinatus), yellow tea mite (polyphagotarsonemus latus), root mite (rhizoglyphus rostochiensis) etc. becomes mildewed.
Anoplura (Anoplura, Phthiraptera), for example Damalinia (Damalinia spp.), Haematopinus (Haematopinus spp.), Linognathus (Linognathus spp.), lice belong to (Pediculus spp.), Trichodectes (Trichodectes spp.).
Isopoda (Isopoda), for example, Cape jasmine beach louse (Oniscus asellus), pillworm (Armadilliudium vulgare), ball pillworm (Porcellio scaber).
Sufficient order (Diplopoda) doubly, for example, Blaniulus guttulatus.
Lip foot order (Chi lopoda), for example, ground Scolopendra (Geophilus carpophagusScutigera spp.).
Comprehensive order (Symphyla), for example, kahikatea worm (Scutigerella immaculata).
Thysanoptera (Thysanura), for example, silverfish (Lepisma saccharina).
Collembola (Collembola), for example, arms Onychiurus arcticus (Onychiurus armatus).
Orthoptera (Orthoptera), for example, family Xi (Acheta domesticus), mqb
Belong to kind of (Gryllotalpa spp.), an Asiatic migratory locust (Locusta migratoriamigrator ioides), black locust genus kind of (Melanopluss pp.), a desert locust (Schistocercagregaria).
Blattaria (Blattaria), for example, oriental cockroach (Blattaorientalis), American cockroach (Periplaneta americana), leucophaea maderae (Leucophaea maderae), Groton bug (Blattella germanica).
Dermaptera (Dermaptera), for example, European earwig (Forficula auricularia).
Isoptera (lsoptera), for example, Reticulitermes kind (Reticulitermes spp.).
The representativeness biology of Nematoda ((Nematoda)) has the nematode that is selected from root-knot nematode, cyst formation nematode, stem eelworm and leaf nematode.The soybean cyst nematode Heterodera glycines of preferred following nematode (Heterodera), in globodera rostochiensis (golbodera rostochiensis), Meloidogyne incognita (meloidogyne incognita) etc., lance line order (dorylaimida), there are minute hand Turbatrix (longidorus sp.) etc.
Pesticidal combination of the present invention has outstanding effect for control cotton bollworm, aphid, evil mite.
All plants and plant parts all can be processed according to the present invention.The implication of plant herein is interpreted as all plants and plant population, as needs and unwanted wild plant or crop plants (comprising naturally occurring crop plants).Crop plants is the plant that can maybe can maybe can obtain by the combination of these methods by biotechnology and genetic engineering method by conventional breeding and method for optimizing; described plant comprises genetically modified plants, also comprises the plant variety that can be subject to plant breeder to weigh (plant breeders'rights) protection or not be subject to its protection.The implication of plant parts is interpreted as described plant and goes up fully and underground part and organ, and as branch, leaf, Hua Hegen, the example that can mention is leaf, pin, leaf, stem, dry, flower, fruit body, fruit and seed, and root, stem tuber and rhizome.Described plant parts also comprises harvested material and asexual and sexual propagation thing, as transplant, stem tuber, rhizome, sprout and seed.
Need emphasize be Pesticidal combination of the present invention for following plant for example time particularly advantageous effect: cereal is as wheat, oat, barley, spelt (spelt), triticale and rye, and corn, jowar and chestnut, rice, sugarcane, soybean, sunflower, potato, cotton, rape (oil seed rape), Canada's rape (canola), tobacco, beet, fodder beet, asparagus, (comprise that the operatic circle is as apple and pears, drupe is as peach for lupulus and fruit plant, honey peach, cherry, plum, apricot, cedra fruits is as orange, grape cypress, bitter orange, twist Lu, cumquat, oranges and tangerines and Sa Mo tangerine, nut is as pistachio, almond, walnut and pecan, tropical fruit (tree) is as mango, papaya papaw, pineapple, nipa palm and banana, and grape) and vegetables (comprise that leaf vegetables is as hare's-lettuce, corn salad, fennel, leaf is used lettuce, celery lettuce, Switzerland's beet, spinach and salad are used witloof, and wild cabbage is as cauliflower, blue and white cabbage, Chinese leaf, Brassica oleracea (L.) convar. acephalavar. sabellicaL. (savoy cabbage, kale), kohlrabi, brussels sprouts, red cabbage, white cabbage and savoy cabbage, fruit vegetables is as eggplant, cucumber, capsicum, edible squash, tomato, bush pumpkin and sweet corn, root vegetables is as celeriac, rape, carrot comprises yellow kind, wild radish class comprises Raphanus sativus var. niger and Raphanus sativus var.radicula, beet, celery, leguminous plant is as pea and soybean, and allium vegetables are as leek and onion).
The processing of Pesticidal combination according to the present invention to plant and plant parts, by conventional treatment method, directly carry out or process its environment, habitat or storage area and carry out, for example immersion liquid of described conventional treatment method, spraying, evaporation, atomizing, broadcasting sowing, smear.
With fluid composition, soak plant site, or by method processing target useful organisms of the present invention for effective one-tenth of solid form, or with compositions-treated target pest of the present invention, can directly carry out by common processing method, or by acting on its environment, habitat or storage areas and carry out, described common processing method is as passed through pouring (dipping), drip irrigation, spraying, evaporation, atomization, broadcast sowing, dusting, foaming, the modes such as coating are used (foliage applying) to the blade of plant, can regulate frequency and the consumption used, make it adapt to the degree of being encroached on by described pest.
When using method of the present invention is implemented, the soil of said plant or cultivation medium refer to the supporter that can make crops take root, grow, for example: soil, water etc., concrete raw material can be used such as sand, float stone, vermiculite, diatomite, agar-agar, gelling material, polymer substance, asbestos, wood chip, bark etc.
To the method for using medicament in soil, for example liquid preparation is diluted in water or does not dilute and be directly applied to the root of plant corpus or the medium method in rice seedling bed that seedling is used, by granule be disseminated to method in the root of plant corpus or the rice seedling bed of seedling have prior to seeding pulvis, water dispersible granules etc. is sprayed in soil and with the whole method of mixing of soil, before sowing or before serike body, will after pulvis, water-dispersible grain dilution agent, be sprayed in implantation hole, seed furrow, in the method for sowing etc.
The propagating materials that composition of the present invention is also suitable for protective plant for example seed, fruit, stem tuber or kernel or plant cutting is not subject to the particularly infringement of insect and acarid of pest.Can be with this propagating materials of compositions-treated before using, for example seed dressing prior to seeding.Also can be by soaking kernel or with the coated kernel of solid composite, active component is applied in kind of benevolence and (is coated with) in fluid composition.When propagating materials being applied to for example seed is broadcast in ditch in seeding process, also said composition can be applied to application site.These plant propagation materials to the processing method of plant propagation material and so processing are all the further themes of the present invention.
On the other hand, processing of the present invention also can produce following super additive effect: improve plant growth, improve the tolerance of high temperature or low temperature, improve to arid or to the tolerance of water or soil salt content, improve Flowering quality, make to gather easier, accelerate bin stability and/or its processing characteristics ripe, that improve the productive rate of gathering, improve the quality of the product of gathering and/or improve its nutritive value, improve the product of gathering.
It is common with favourable that Pesticidal combination of the present invention is used with following dosage conventionally:
-for leaf portion, process: 0.1-10000 g/ha, preferably 10-1000 g/ha, more preferably 20-300 g/ha; For dipping or for instiling and using, described dosage even can also reduce, particularly when using inert base as asbestos or pearl rock;
-for seed treatment: 2-200g/100kg seed, preferably 3-150g/100kg seed;
-for soil treatment: 0.1-10000 g/ha, preferably 1-5000 g/ha.
Above-mentioned dosage is only general exemplary dose, and during actual using, those skilled in the art can, according to actual conditions and needs, especially adjust rate of application according to the character of pending plant or crop and insect pest situation.
It should be pointed out that in meaning of the present invention, term " Pesticidal combination of spiral shell mite dibasic acid esters and gamma cyhalothrin " comprises separately, uses successively or simultaneously spiral shell mite dibasic acid esters and gamma cyhalothrin.Preferably, the Pesticidal combination of described spiral shell mite dibasic acid esters and gamma cyhalothrin is the form of the composition that comprises spiral shell mite dibasic acid esters and gamma cyhalothrin.
Any technical characterictic that it should be pointed out that any embodiment of the present invention or embodiment can be independently and any other embodiment combination with one another of the present invention.That is to say, one or more technical characterictics of any embodiment of the present invention all can reconfigure with any other technical characterictic.Technical characterictic reconfigures and the technical characterictic that forms is disclosed in herein thus, and it is documented in the same especially herein.
FORMULATION EXAMPLE
Embodiment 1 2% spiral shell mite dibasic acid esters+3% gamma cyhalothrin suspension emulsion
Gamma cyhalothrin is dissolved in Solvesso200, adds ethoxylated castor oil, obtain efficient cyhalothrin emulsifiable concentrate; By spiral shell mite dibasic acid esters, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, xanthans, bentonite, glycerine, above-mentioned each component such as water mixes in proportion, and through sand milling, is prepared into suspending agent.The oil phase of gamma cyhalothrin is joined in the suspending agent containing spiral shell mite dibasic acid esters, obtain suspended emulsion.
Embodiment 2 10% spiral shell mite dibasic acid esters+10% gamma cyhalothrin wetting powders
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 10% spiral shell mite dibasic acid esters+10% gamma cyhalothrin wetting powder
Embodiment 3 5% spiral shell mite dibasic acid esters+0.1% gamma cyhalothrin aqueous emulsions
Former medicine, solvent, emulsifier are added together, make to be dissolved into even oil phase; Water-soluble component and water mixing are made to water; Under high-speed stirred, oil phase is mixed with water, make 5% spiral shell mite dibasic acid esters+0.1% gamma cyhalothrin aqueous emulsion.
Embodiment 4 50% spiral shell mite dibasic acid esters+10% gamma cyhalothrin water dispersible granules
Active component, dispersant, wetting agent, disintegrant and filler are mixed in the ratio of formula, through air-flow crushing, become wetting powder, then add a certain amount of water mixing extruder grain.After drying screening, obtain 50% spiral shell mite dibasic acid esters+10% gamma cyhalothrin water dispersible granules.
Embodiment 5 10% spiral shell mite dibasic acid esters+50% gamma cyhalothrin suspension emulsions
Gamma cyhalothrin is dissolved in Solvesso200, adds ethoxylated castor oil, obtain efficient cyhalothrin emulsifiable concentrate; By spiral shell mite dibasic acid esters, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, xanthans, bentonite, glycerine, above-mentioned each component such as water mixes in proportion, and through sand milling, is prepared into suspending agent.The oil phase of gamma cyhalothrin is joined in the suspending agent containing spiral shell mite dibasic acid esters, obtain suspended emulsion.
Embodiment 6 50% spiral shell mite dibasic acid esters+1% gamma cyhalothrin wetting powders
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 50% spiral shell mite dibasic acid esters+1% gamma cyhalothrin wetting powder.
Embodiment 7 2% spiral shell mite dibasic acid esters+50% gamma cyhalothrin suspension emulsions
Gamma cyhalothrin is dissolved in Solvesso200, adds ethoxylated castor oil, obtain efficient cyhalothrin emulsifiable concentrate; By spiral shell mite dibasic acid esters, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, xanthans, bentonite, glycerine, above-mentioned each component such as water mixes in proportion, and through sand milling, is prepared into suspending agent.The oil phase of gamma cyhalothrin is joined in the suspending agent containing spiral shell mite dibasic acid esters, obtain suspended emulsion.
Embodiment 8 1% spiral shell mite dibasic acid esters+10% gamma cyhalothrin aqueous emulsions
Oil phase:
Water:
Spiral shell mite dibasic acid esters and gamma cyhalothrin are dissolved in methyl oleate, add polystyrene to obtain oil phase; According to the component in formula, mix and obtain water; Under agitation add water to obtain aqueous emulsion oil phase.
Embodiment 9 50% spiral shell mite dibasic acid esters+40% gamma cyhalothrin wetting powders
Combinations thereof is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 10 50% spiral shell mite dibasic acid esters+30% gamma cyhalothrin coated granules
In blender, levigate active component is evenly applied on the carrier being soaked by polyethylene glycol.Can obtain dustless coated granule in this way.
Embodiment 11 5% spiral shell mite dibasic acid esters+25% gamma cyhalothrin wetting powders
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 12 1% spiral shell mite dibasic acid esters+50% gamma cyhalothrins are extruded granule
Active component is mixed with auxiliary agent and grind, mixture water is moistening.This mixture is extruded, then dry in air stream.
Embodiment 13 50% spiral shell mite dibasic acid esters+1% gamma cyhalothrin suspending agents
Above-mentioned each component is mixed in proportion, and through sand milling, be prepared into suspending agent.
Embodiment 14 20% spiral shell mite dibasic acid esters+40% efficient cyhalothrin emulsifiable concentrates
Said components is mixed to the liquid of transparent and homogeneous, obtain 5% spiral shell mite dibasic acid esters+15% efficient cyhalothrin emulsifiable concentrate.
Embodiment 15 50% spiral shell mite dibasic acid esters+2% gamma cyhalothrin suspension emulsions
Gamma cyhalothrin is dissolved in Solvesso200, adds ethoxylated castor oil, obtain efficient cyhalothrin emulsifiable concentrate; By spiral shell mite dibasic acid esters, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, xanthans, bentonite, glycerine, above-mentioned each component such as water mixes in proportion, and through sand milling, is prepared into suspending agent.
The oil phase of gamma cyhalothrin is joined in the suspending agent containing spiral shell mite dibasic acid esters, obtain suspended emulsion.
Embodiment 16 5% spiral shell mite dibasic acid esters+15% efficient cyhalothrin emulsifiable concentrates
Said components is mixed to the liquid of transparent and homogeneous, obtain 5% spiral shell mite dibasic acid esters+15% efficient cyhalothrin emulsifiable concentrate.
Embodiment 17 2% spiral shell mite dibasic acid esters+50% gamma cyhalothrin microcapsule suspension-suspending agents
By PAPI, the oil phase that gamma cyhalothrin and Solvesso 200 form adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated 50
ounder C, add catalyst reaction 2 hours.After cooling, obtain the microcapsules of gamma cyhalothrin.
Atlox 4913, dispersant LFH, and defoamer, urea, spiral shell mite dibasic acid esters and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the gamma cyhalothrin obtaining is added in the aqueous suspension agent of spiral shell mite dibasic acid esters, stir and obtain 2% spiral shell mite dibasic acid esters+50% gamma cyhalothrin microcapsule suspension-suspending agent.
Embodiment 18 0.1% spiral shell mite dibasic acid esters+5% gamma cyhalothrin suspension seed-coating agents
Above-mentioned each component is mixed in proportion, and through sand milling, be prepared into suspension seed-coating agent.
Embodiment 19 5% spiral shell mite dibasic acid esters+5% gamma cyhalothrin aerosols
First by antifreezing agent propane diols, thinner SOLVESSO 100 mixes, and adds spiral shell mite dibasic acid esters and gamma cyhalothrin under stirring; Surfactant is added wherein, under agitation by a breaking plant colloid mill, pulverize, by the suspension passing through after colloid mill, then through a micronizer.Move in circles to till the particle diameter≤2um of solids.
Embodiment 20 50% spiral shell mite dibasic acid esters+5% gamma cyhalothrin wetting powders
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 50% spiral shell mite dibasic acid esters+5% gamma cyhalothrin wetting powder.
Embodiment 21 50% spiral shell mite dibasic acid esters+50% gamma cyhalothrins
In above embodiment, proportioning is weight per distribution ratio.
Biological test example
The combination of active principles of different agricultural chemicals is made to agricultural chemicals, is a kind of effectively and efficiently mode of the upper resistant insect of current development novel pesticide and control agricultural.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing conventionally.But be specially which kind of effect, unpredictable, only have by great many of experiments and just can know.Compound synergic is well filled a prescription, and owing to obviously having improved actual control efficiency, has reduced the usage amount of agricultural chemicals, thereby has delayed widely the drug-fast generation speed of mite class, is the important means of integrated control disease.
Inventor is by a large amount of screening tests, the different proportionings of spiral shell mite dibasic acid esters and gamma cyhalothrin have been carried out to lot of experiments and effectiveness analysis, discovery is in certain ratio range, resulting novel combination agent has gain effect, and be not only the simple addition of two kinds of medicaments, specifically with following embodiment, describe.
In embodiment of the present invention, adopt Toxicity Determination and kill the mode that mite test combines, first pass through Toxicity Determination, co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC<80 is anti-effect short of money, 80≤CTC≤120 are summation action, CTC > 120 is synergistic effect, carries out on this basis insecticidal test again.
Computing formula is as follows:
Borer population * 100 lives before lethality (%)=(borer population of living after the borer population-medicine of living before medicine)/medicine
Corrected mortality (%)=(processed group lethality-control group lethality)/(100-control group lethality) * 100
To be converted into probit value (y) for examination insect corrected mortality, concentration for the treatment of (μ g/ml) converts logarithm value (x) to, with method of least squares, calculates concentration LC in inhibition
50, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Computing formula following (take spiral shell mite dibasic acid esters as standard medicament, its toxicity index is 100):
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 ATI/ mixture TTI) * 100
Test a spiral shell mite dibasic acid esters and the Toxicity Determination of gamma cyhalothrin to citrus red mite
Test is evaluated SOP (insecticide volume) with reference to pesticide indoor bioassay test rule (agricultural industry criteria NY/T1154.7-2006) and initiative pesticide bioactivity, adopts infusion process.Citrus leaflet tablet band handle is cut, inserted in the peace that adds water and cut open in bottle.Connect the one-tenth mite of some.Wait becoming mite to lay eggs after 24h, remove into mite, the blade with abundant ovum is dipped in to 10s in liquid, with blotting paper, suck unnecessary liquid rapidly, blade is placed in to peace again and cuts open bottle, naturally dry.Be placed in observation ward and cultivate.Test repeats 4 times, and establishes blank, after contrasting whole hatchings, investigates.During investigation, with the young mite that can not hatch He can not normally creep, be considered as dead worm.
Test one: the toxicity measurement result to cotton red spider
Table 1:
As known from Table 1, control two spotted spider mite, the proportioning of spiral shell mite dibasic acid esters and gamma cyhalothrin is in the scope of 50:1 ~ 1:50 time, co-toxicity coefficient is all greater than 120, illustrate that both all show as gain effect at being mixed within the scope of this, especially, when both ratio is during at 1:1, gain effect is particularly outstanding.
Test two spiral shell mite dibasic acid esters and the Toxicity Determination of gamma cyhalothrin to cotton bollworm
Test method: adopt and first to soak the method that connects worm after leaf, after the blade of the same size that does not contact any medicament is soaked to 5s in the liquid configuring, take out, naturally dry, put into insect box, then connect for examination larva, under 25 ℃ of conditions, raise, every processing repeats for 3 times, every to repeat examination borer population used be 20, establishes blank simultaneously, in 72h, checks dead borer population, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50value.If contrast lethality is greater than 10%, be considered as invalid test.
Table 2
As known from Table 2, control cotton bollworm, the proportioning of spiral shell mite dibasic acid esters and gamma cyhalothrin is in the scope of 50:1 ~ 1:50 time, co-toxicity coefficient is all greater than 120, illustrate that both all show as gain effect at being mixed within the scope of this, especially, when both ratio is during at 1:5, gain effect is particularly outstanding.
Test three spiral shell mite dibasic acid esters and the Toxicity Determination of gamma cyhalothrin to aphid
Test method: adopt and first to soak the method that connects worm after leaf, after the blade of the same size that does not contact any medicament is soaked to 5s in the liquid configuring, take out, naturally dry, put into insect box, then connect for examination larva, under 25 ℃ of conditions, raise, every processing repeats for 3 times, every to repeat examination borer population used be 20, establishes blank simultaneously, in 72h, checks dead borer population, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50value.If contrast lethality is greater than 10%, be considered as invalid test.
Table 3
As known from Table 3, anti-eliminating aphis, the proportioning of spiral shell mite dibasic acid esters and gamma cyhalothrin is in the scope of 50:1 ~ 1:50 time, co-toxicity coefficient is all greater than 120, illustrate that both all show as gain effect at being mixed within the scope of this, especially, when both ratio is during at 1:5, gain effect is particularly outstanding.
Test four:
When the effect of active compound combinations surpasses the summation of the effect when each reactive compound is used separately, there is collaborative desinsection and acaricidal action.The predictive role of the particular combination of two kinds of reactive compounds can be used so-called " Colby formula " (referring to S.R. Colby, " Calculating Synergistic and Antagonistic Responses of Herbicide Combinations ", Weeds 1967,15,20-22) calculate as follows: if
X is the kill ratio when using consumption for m g/ha or the concentration reactive compound A that is m ppm, is expressed as the percentage that accounts for untreated control,
Y is the kill ratio when using consumption for n g/ha or the concentration reactive compound B that is nppm, is expressed as the percentage that accounts for untreated control,
E is the kill ratio when using consumption for m and n g/ha or the concentration reactive compound A that is m and n ppm and B, is expressed as the percentage that accounts for untreated control,
So
If actual desinsection lethality rate surpasses calculated value, the lethal effect of composition be super add and, there is synergy.In this case, the kill ratio that actual observation is arrived must surpass the value of the expection kill ratio value (E) of using above-mentioned formula calculating.
the test of pesticide effectiveness of control cotton red spider
Test is carried out as follows: test garden 1m
2, in triplicate, sprayed volume is that 1500-1600L/ha. test site is Zhejiang Jiaxing in each test, the time is at the beginning of 5 months.Consumption shown in following table is used separately and combination product.Under damage by disease and insect threshold value, as foliar spray, carry out using of pesticide preparation agent (alone or in combination).To squirt leave dual sides, be as the criterion, each processes 3 strain cotton plants, after medicine 6h, within 7 days, 15 days and 30 days, adopt the alives borer population of 100 blades on the indoor binocular of experiment investigation blade, calculating insect population decline rate and control efficiency, formula is as follows:
Borer population alive before insect population decline rate (%)=(borer population of living after the borer population-dispenser of living before dispenser) * 100/ dispenser
Control efficiency (%)=(insect population decline rate-blank district, chemicals treatment district insect population decline rate) * 100/ (100-blank district insect population decline rate
Table 4
From table 4 result of the test: 1, the lasting period of spiral shell mite dibasic acid esters longer, can reach after medicine 20 days, but quick-acting is slower, after medicine 7 days also end reach peak mortality; 2, after gamma cyhalothrin medicine, 1 hour preventive effect is just ideal, but after medicine, 7 days control efficiency obviously decline, and the lasting period is no more than 3 days; 3, the preventive effect of observing after spiral shell mite dibasic acid esters and high-efficient lambda-cyhalothrin compound, apparently higher than calculating preventive effect, demonstrates obvious synergistic effect.
the field control effectiveness test of control cotton bollworm
Test is carried out as follows: test garden 1m
2, in triplicate, sprayed volume is that 1500-1600L/ha. test site is Zhejiang Jiaxing in each test, the time is at the beginning of 7 months.Consumption shown in following table is used separately and combination product.Under damage by disease and insect threshold value, as foliar spray, carry out using of pesticide preparation agent (alone or in combination).To squirt leave dual sides, be as the criterion, each processes 3 strain cotton plants, after medicine 1h, within 3 days, 7 days and 20 days, adopt the alives borer population of 100 blades on the indoor binocular of experiment investigation blade, calculating insect population decline rate and control efficiency, formula is as follows:
Borer population alive before insect population decline rate (%)=(borer population of living after the borer population-dispenser of living before dispenser) * 100/ dispenser
Control efficiency (%)=(insect population decline rate-blank district, chemicals treatment district insect population decline rate) * 100/ (100-blank district insect population decline rate
Table 5
From table 5 result of the test: 1, spiral shell mite dibasic acid esters is poor for the quick-acting of cotton bollworm, and preventive effect is not high; 2, after gamma cyhalothrin medicine, 1h preventive effect is just ideal, and lasting effect is better, can reach after medicine 20 days; 3, the preventive effect of observing after spiral shell mite dibasic acid esters and high-efficient lambda-cyhalothrin compound, apparently higher than calculating preventive effect, demonstrates obvious synergistic effect.
the anti-field control effectiveness test eliminating aphis
Test is carried out as follows: test garden 1m
2, in triplicate, sprayed volume is that 1500-1600L/ha. test site is Zhejiang Jiaxing in each test, the time is at the beginning of 5 months.Consumption shown in following table is used separately and combination product.Under damage by disease and insect threshold value, as foliar spray, carry out using of pesticide preparation agent (alone or in combination).To squirt leave dual sides, be as the criterion, each processes 3 strain cotton plants, after medicine 6h, within 7 days, 15 days and 30 days, adopt the alives borer population of 100 blades on the indoor binocular of experiment investigation blade, calculating insect population decline rate and control efficiency, formula is as follows:
Borer population alive before insect population decline rate (%)=(borer population of living after the borer population-dispenser of living before dispenser) * 100/ dispenser
Control efficiency (%)=(insect population decline rate-blank district, chemicals treatment district insect population decline rate) * 100/ (100-blank district insect population decline rate
Table 6
From table 6 result of the test: 1, spiral shell mite dibasic acid esters is poor for the quick-acting of aphid, and after medicine 7 days also end reach peak mortality; 2, after gamma cyhalothrin medicine, 1h preventive effect is just ideal, but lasting effect is poor; 3, the preventive effect of observing after spiral shell mite dibasic acid esters and high-efficient lambda-cyhalothrin compound, apparently higher than calculating preventive effect, demonstrates obvious synergistic effect.
Claims (17)
1. a Pesticidal combination, is characterized in that Pesticidal combination comprises formula (I) reactive compound spiral shell mite dibasic acid esters
And formula (II) reactive compound gamma cyhalothrin
(formula II)
The weight ratio of described formula (I) reactive compound spiral shell mite dibasic acid esters and formula (II) reactive compound gamma cyhalothrin is 50:1-1:50.
2. Pesticidal combination according to claim 1, is characterized in that, the weight ratio of described formula (I) reactive compound and formula (II) reactive compound is 25:1-1:25.
3. Pesticidal combination according to claim 1, is characterized in that, the weight ratio of described formula (I) reactive compound and formula (II) reactive compound is 10:1-1:10.
4. Pesticidal combination according to claim 1, is characterized in that, the weight ratio of described formula (I) reactive compound and formula (II) reactive compound is 5:1-1:5.
5. Pesticidal combination according to claim 1, is characterized in that, described formula (I) reactive compound and formula (II) reactive compound account for described Pesticidal combination 5%-90% by weight altogether.
6. Pesticidal combination according to claim 1, is characterized in that described formula (I) reactive compound and formula (II) reactive compound account for described Pesticidal combination 10%-80% by weight altogether.
7. Pesticidal combination according to claim 1, is characterized in that, described formula (I) reactive compound and formula (II) reactive compound account for described Pesticidal combination 20%-50% by weight altogether.
8. Pesticidal combination according to claim 1, is characterized in that, also comprises surfactant and/or extender.
9. Pesticidal combination according to claim 1, it is characterized in that, described formulation is missible oil, suspending agent, seed coat agent, water dispersible granules, wetting powder, suspension emulsion, aerosol, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent, ultra low volume liquids.
10. Pesticidal combination according to claim 1 is for preventing or control the purposes of pest.
11. 1 kinds of methods of preventing or controlling pest, is characterized in that, the propagating materials by the Pesticidal combination of claim 1 for target useful plant, target pest or its environment, target useful plant.
The method of 12. a kind of preventions according to claim 11 or control pest, is characterized in that, described plant propagation material is seedling, rhizome, garden seedling, cutting or seed.
13. the method for a kind of prevention according to claim 11 or control pest, is characterized in that, described pest is selected from Insecta, arachnids.
The method of 14. a kind of preventions according to claim 11 or control pest, is characterized in that, described pest is selected from two spotted spider mite, cotton bollworm, aphid.
The method of 15. a kind of preventions according to claim 11 or control pest, is characterized in that, comprises separately, uses successively or simultaneously formula (I) reactive compound, formula (II) reactive compound.
16. a kind of preventions according to claim 11 or control the methods of pest, is characterized in that, its Chinese style (I) reactive compound and formula (II) reactive compound each naturally through the form of compositions formulated.
17. 1 kinds of cover crops in case the method for pest invasion and attack it is characterized in that, comprise making crop and containing formula (I) reactive compound and contact with the Pesticidal combination of formula (II) reactive compound.
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