CN103719115B - A kind of Pesticidal combination - Google Patents
A kind of Pesticidal combination Download PDFInfo
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- CN103719115B CN103719115B CN201310724625.8A CN201310724625A CN103719115B CN 103719115 B CN103719115 B CN 103719115B CN 201310724625 A CN201310724625 A CN 201310724625A CN 103719115 B CN103719115 B CN 103719115B
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- tolfenpyrad
- cycloxaprid
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Abstract
What the present invention relates to is a kind of Pesticidal combination, particularly relates to a kind of Pesticidal combination comprising the first active substance tolfenpyrad and the second active substance cycloxaprid.A kind of Pesticidal combination, comprise two kinds of active substance tolfenpyrad and cycloxaprid, the weight ratio of Tolfenpyrad and cycloxaprid is 1:100-100:1.The present invention by by Tolfenpyrad and cycloxaprid composite according to a certain percentage, thus make it on control field crops Lepidoptera and homoptera pest, achieve gain effect, reduce the single dose usage amount of Tolfenpyrad and cycloxaprid in addition, reduce use cost, reduce the risk that insect develops immunity to drugs.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, particularly relate to a kind of Pesticidal combination comprising the first active substance tolfenpyrad and the second active substance cycloxaprid.
Background technology
At present for the control of insect agriculturally easily producing resistance, what main way was exploitation and existing kind without between the new composition of cross resistance or existing pesticide species is composite, the former is because required development cost is high, the cycle is long, and current development rate is far away less than the speed that pest resistance to insecticide produces.Therefore, the selection that mixture is a kind of the best is carried out for the existing pesticide species that the mechanism of action is different.If reasonable mixture ratio, then can produce significant synergistic effect, make field control effect significantly be better than the effect of each single dose.Certain defect is usually there is in the insecticide containing single-activity composition on agricultural insect pests control, continuous several times uses and not only makes insect easily develop immunity to drugs, and easily cause the pollution to food and environment, above shortcoming can be overcome by rational mixture between pesticide active ingredient.The reasonably composite synergistic effect that active ingredient is produced simultaneously, preventive effect can be improved, reduce effective ingredient consumption, cost-saving, delay the drug-fast generation of insect, near and the pollution even avoiding agricultural chemicals to food and environment can be alleviated, and the efficient novel pesticide of the low toxicity that the present invention researchs and develops, not only target drug effect is significantly strengthened, and very low on the impact of people, crop, non-target and environment.
Tolfenpyrad (Tolfenpyrad), chemical name is: the chloro-3-ethyl of 4--1-methyl-N-{ [4-(4-methylphenoxy) phenyl]-methyl }-1H pyrazoles-5-carboxylic acid amides, its structural formula is:
The novel pyrazole heterocyclic insecticidal/acaricidal agent that Tolfenpyrad Shi Yuan Mitsubishi chemical company (its agricultural chemicals part now belongs to Japanese agricultural chemicals company) develops, its mechanism of action is hinder the electronics in mitochondrial metabolic system to pass on system complex I, thus electronics reception and registration is hindered, insect can not be provided and storing energy, be called as Mitochondrial electron and pass on complex Inhibitors (METI).Insecticidal spectrum is wide, demonstrates the broad-spectrum insecticidal activity for various pests (such as Semiptera (Hemiptera), coleoptera (Coleoptera), diptera (Diptera), Lepidoptera (Lepidoptera), thrips (Thysanoptera) and mite class).Tolfenpyrad mainly provide ovum to object insect, larva, pupa and adult prevention and control active.Its structural formula is as follows:
Cycloxaprid (Cycloxaprid) is a kind of novel anabasine insecticide, its chemical name is: 9-(6-chloropyridine-3-base) methyl)-4-nitro-8-oxa--10,11-glyoxalidine also (2,3-a) dicyclo (3,2,1) pungent-3-alkene, molecular structural formula is:
Cycloxaprid is the antagonist of first nAChR in the world, and very likely become the new class insecticide in the world with material impact power, its activity is significantly better than Imidacloprid.There are interior suction, stomach toxicity and action of contace poison to insect, can be used for the Homoptera on control crops, coleopteran pest, with Imidacloprid, Acetamiprid, Diacloden etc. without cross resistance, also effective to lepidoptera pest.This product using dosage is low, environmentally safe, to beneficial organism without endangering or endangering minimum.Higher insecticidal activity is had to the aphid, plant hopper, aleyrodid, flea beetle, cotton bollworm, diamond-back moth, prodenia litura, armyworm etc. of the crops such as wheat, cotton, paddy rice, fruit tree, vegetables.In addition, its honeybee toxicity also significantly reduces, cycloxaprid 48 hours acute absorption LC
50for 19.18mg/L, and Imidacloprid is 4.94mg/L, and toxicity is starkly lower than Imidacloprid, and environmental safety is got a promotion.In addition, excellent activity is demonstrated to the tapeworm of sheep, rabbit and coccidia.As the novel anabasine insecticide of one, it is high that cycloxaprid also exists use cost after listing, the risk that resistance risk increases gradually, and it is efficient to homoptera pest, but poor to lepidoptera pest drug effect.
Often there is defect in various degree in the insecticide variety containing single-activity component: after using continuously, insect easily develops immunity to drugs, the many pollutions that will increase the weight of environment of access times on agricultural insect pests control.And different component carries out composite, can effectively overcome above shortcoming.Meanwhile, utilize the synergistic effect that two kinds of active component mixtures produce, can improve preventive effect, reduce the consumption of active ingredient, save drug cost, delay insect, the drug-fast generation of evil mite, reducing environmental pollution, is the important means of integrated control insect.At present, the composite and application of Tolfenpyrad and cycloxaprid there is no people and reported.
Summary of the invention
The present invention seeks to, in order to solve the problems of the technologies described above, to provide a kind of Pesticidal combination, this Pesticidal combination Lepidoptera and homoptera pest on control crop achieve synergistic effect, and effectively slow down the pesticide resistance of insect.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Pesticidal combination, comprise the first active substance and the second active substance, described first active substance is Tolfenpyrad, and the second active substance is cycloxaprid, and the weight ratio of Tolfenpyrad and cycloxaprid is 1:100-100:1.
As a further improvement on the present invention, the weight ratio of described Tolfenpyrad and cycloxaprid is 1:50-50:1.
As a further improvement on the present invention, the weight ratio of described Tolfenpyrad and cycloxaprid is 1:25-25:1.
As a further improvement on the present invention, the weight ratio of described Tolfenpyrad and cycloxaprid is 1:10-10:1.
As a further improvement on the present invention, the percentage by weight that the gross weight of described Tolfenpyrad and cycloxaprid accounts for Pesticidal combination is 5%-90%, and surplus is the surfactant and/or extender of agriculturally permitting.
As a further improvement on the present invention, the gross weight of described Tolfenpyrad and cycloxaprid accounts for the percentage by weight of Pesticidal combination is 10%-80%, more preferably 20%-60%.
As a further improvement on the present invention, described Pesticidal combination can be mixed with any formulation agriculturally allowed.
As a further improvement on the present invention, the formulation of described Pesticidal combination is wetting powder, missible oil, suspending agent, oil-suspending agent, seed coat agent, microemulsion, aqueous emulsion, water dispersible granules, ultra low volume liquids, microcapsules, microcapsule suspension-suspendinagent agent, ultra low volume liquids.
On the other hand, present invention also offers a kind of prevention or control the method for pest, Pesticidal combination of the present invention being acted on the propagating materials of target useful plant, object noxious livings or its environment, target useful plant.Described plant propagation material is seedling, rhizome, garden seedling, cutting or seed.
Cover crop, in case a method for pest infestation, comprises and crop is contacted with the Pesticidal combination of cycloxaprid with containing Tolfenpyrad.
A method for prevention or control pest, comprises separately, uses Tolfenpyrad, cycloxaprid successively or simultaneously.
A method for prevention or control pest, is characterized in that, wherein Tolfenpyrad and cycloxaprid are respectively naturally through the form of compositions formulated.
Described Pesticidal combination is for the treatment of the purposes of seed.
Cover crop, in case a method for pest infestation, is characterized in that, comprises and crop is contacted with cycloxaprid with Pesticidal combination Tolfenpyrad.
Another object of the present invention is to provide a kind of for preventing or the kit of Control pests, and it comprises Tolfenpyrad and cycloxaprid.
Pesticidal combination of the present invention is usually all effective for responsive species and whole or single developmental stage with having resistance.Described pest comprises such as: the insects such as Lepidoptera, coleoptera, diptera, Homoptera, Semiptera, Hymenoptera, thrips.
Lepidoptera pest comprises such as: 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, 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), the gold thin moth of mosquito (Lithocolletis ringoniella Mats), peach fruit borer (Carposina niponensis Walsingham), pink bollworm (Pectinophora gossypiella), loose powder butterfly geometrid moth (Bupalus piniarius), orchard autumn geometrid moth (Cheimatobia brumata), the thin moth of leaf mining (Lithocolletisblancardella), apple ermine moth (Hyponomeuta padella), pornography and drug moth (Euproctis chrysorrhoea), Euproctis (Lymantria spp.), cotton lyonetid (Bucculatrix thurberiella), phyllocnistis citrella stainton (Phyllocnistis citrella), ground Noctua (Agrotisspp.), dirtyly cut noctuid (Feltia spp.), Heliothis (Heliothis spp.), tomato moth (Mamestra brassicae), small noctuid (Panolis flammea), Spodoptera (Spodoptera spp.), cabbage looper (Trichoplusia ni), codling moth (Carpocapsa pomonella), Pier (Pieris spp.), straw borer spp (Chilo spp.), corn borer (Pyrausta nubilalis), Anagasta kuehniella (Ephestia kuehniella), galleria mellonella waxmoth (Galleria mellonella), curtain casemaking clothes moth (Tineolabisselliella), bag casemaking clothes moth (Tinea pellionella), brownly knit moth (Hofmannophila pseudospretella), yellow tail leaf roller (Cacoecia podana), cigarette moth (Capua reticulana), dragon spruce Choristoneura spp (Choristoneura fumiferana), grape codling moth (Clysia ambiguella) (Clysia ambiguella), the green volume moth of oak (Tortrix viridana), Cnaphalocerus belongs to, Oulema oryzae (Oulema oryzae).
Coleopteran pest comprises such as: rice weevil (sitophilusoryzaelinne), 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), striped flea-beetle (Phyllotreta spp).
Diptera pest comprises such as: rice is dived fly (agromyzaoryzae), hydrellia griseola (hydrelliagriseola), flameray gerbera liriomyza bryoniae (liriomyzatrifolii), pea leaf is dived fly (chromatomyiahorticola), 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).
Hemipteran pest comprises such as: 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), azelea lace bug (stephantispyrioides), red palpus fleahopper (trigonotyluscoelestialium).
Homoptera pest comprises such as wild cabbage aleyrodid (Aleurodes brassicae), sweet potato whitefly (Bemisia tabaci), greenhouse whitefly (Trialeurodes vaporariorum), cotten aphid (Aphis gossypii), cabbage aphid (Brevicoryne brassicae), the hidden knurl aphid of tea Fischer (Cryptomyzus ribis), black bean aphid (Aphis fabae), apple aphid (Aphis pomi), apple aphid (Eriosoma lanigerum), mealy plum aphid (Hyalopterusarundinis), grape phylloxera (Phylloxera vastatrix), Pemphigus (Pemphigus spp.), English grain aphid (Macrosiphum avenae), tumor aphid genus (Myzus spp.), phorodon aphid (Phorodon humuli), rhopalosiphum padi (Rhopalosiphum padi), green jassids belongs to (Empoasca spp.), calamity leafhopper (Euscelis bilobatus), rice leafhopper (Nephotettix cincticeps), the Europe hard ball a red-spotted lizard of fruit (Lecanium corni), olive lecanium (Saissetia oleae), brown planthopper (Nilaparvata lugens), small brown rice planthopper (laodelphaxstriatellus), white-backed planthopper (sogatellafurcifera), pear sucker (psyllapyrisuga), diaphorina citri (diaphorinatabaci), Bemisia tabaci (bemisiatabaci), red kidney Aspidiotus (Aonidiellaaurantii), ivy Aspidiotus (Aspidiotus hederae), mealybug belongs to (Pseudococcus spp.), Psylla spp (Psylla spp.).
Have in Hymenoptera (hymenoptera), yellow-winged cabbage sawfly (athaliarosaeruficornis), rose sawfly (argepagana), Black Hills ant (formicajaponica), chestnut gall wasp (dryocsmuskuriphilus) etc.
Thysanoptera, such as thrips (HaplothripsChinensisPriesner)
As a further improvement on the present invention, described surfactant and extender comprise one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, deionized water etc.
In the present invention, described dispersant is selected from alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, aryl phenol polyoxyethylene succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignosulfonates, alkylaryl APEO, aliphatic alcohol polyethenoxy base ether, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, polyoxyethylene carboxylate, one or more during ester polyoxyethylene is phonetic.
Described wetting agent is selected from: lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, sldium lauryl sulfate, tea are withered, one or more in silkworm excrement, soapberry powder.
Described disintegrant is selected from: one or more in sodium bicarbonate, sodium carbonate, bentonite, urea, ammonium sulfate, glucose, aluminium chloride.
Described thickener is selected from: one or more in CMC, hydroxyethylcellulose, Magnesiumaluminumsilicate, gelatin, melon glue, gum Arabic, xanthans, sodium phosphate trimer, phenolic resins, sodium alginate, white dextrin, methylcellulose, PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol, polyvinyl alcohol.
Described antifreezing agent is selected from: one or more in glycerine, ethylene glycol, propane diols, glycerine, diethylene glycol (DEG), triethylene glycol, polyethylene glycol.
Described solvent is selected from: DMF, 3-methyl cyclohexanol ketenes, NOP, N-pyrrolidones, toluene, propyl alcohol, cyclohexanone, acetone, methyl alcohol, ethanol, butanols, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, vegetable oil, acetonitrile one or more.
Described defoamer is selected from: silicone, C
8 ~ 10aliphatic alcohols, C
10 ~ 20one or more in saturated fat acids and acid amides, silicone oil, silicone compound.
Described emulsifier is selected from: agriculture breast 500# (alkyl benzene calcium sulfonate), OP series phosphate (thermally coupled distillation columns), 600# phosphate (phenyl phenol polyoxyethanyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), agriculture breast 600# (phenyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol-formaldehyde resin polyoxyethyl ether), agriculture breast 36# (phenethyl fluosite polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene polyoxypropylene ether), agriculture breast 34# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitan monostearate), TWEEN Series (sorbitan fatty acid ester APEO), one or more in AEO series (fatty alcohol-polyoxyethylene ether).
Described stabilizing agent is selected from: one or more in BHT, triphenyl phosphite, epoxychloropropane, organic acid, organic base, ester class, alcohols, antioxidant, surface-active substance, tributyl phosphate, triethanolamine, diethanol amine, monoethanolamine.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
According to the present invention, all plants and plant part can be processed.Plant is here interpreted as referring to all plants and plant community, than as desired and undesirable wild plant or crop (comprising naturally occurring crop).Crop can be by Sterile culture and optimization method or by biotechnology and gene engineering method or the plant that obtained by the combination of these methods; comprise genetically modified plants, and comprise the plant variety that can be subject to or not be subject to the protection of plant variety protection method.Plant part is interpreted as referring to all grounds of plant and under ground portion and organ, such as tender shoots, leaf, Hua Hegen, such as, can mention leaf, needle, stem, branch, flower, fruit body, fruit and seed and root, stem tuber and rhizome.Plant part also comprises harvested product and asexual and case of propagation material, such as rice shoot, stem tuber, rhizome, cuttage thing and seed.
It is emphasized that Pesticidal combination of the present invention is for particularly advantageous effect during such as following plant: 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), canola (canola), tobacco, beet, fodder beet, asparagus, (comprise the operatic circle as apple and pears, drupe is as peach for lupulus and fruit bearing 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 leaf vegetables as hare's-lettuce, corn salad, fennel, Leaf lettuce, celery lettuce, Swiss chard, spinach and salad are with lettuce, and wild cabbage is as cauliflower, broccoli, 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 cultivars, 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).
Pesticidal combination according to the present invention is to the process of plant and plant parts, directly carried out by conventional treatment method or process its environment, habitat or storage area to carry out, the such as immersion liquid of described conventional treatment method, spraying, evaporation, atomizing, broadcasting sowing, smear.
Plant site is soaked with fluid composition, or by effective one-tenth of solid form method processing target useful organisms of the present invention, or with compositions-treated object noxious livings of the present invention, directly can be carried out by usual processing method, or by acting on its environment, habitat or storage areas and carry out, described usual 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, the frequency and consumption used can be regulated, it is made to adapt to by the degree of described harmful organism infestation.
When using method of the present invention is implemented said plant soil or cultivation medium refer to the supporter that crops can be made to take root, grow, such as: soil, water etc., concrete raw material can use such as sand, float stone, vermiculite, diatomite, agar-agar, gelling material, polymer substance, asbestos, wood chip, bark etc.
The method of medicament is used in soil, such as liquid preparation be diluted in water or do not dilute the medium method in rice seedling bed of root or the seedling being directly applied to plant corpus, method granule is disseminated in the root of plant corpus or the rice seedling bed of seedling have prior to seeding pulvis, water dispersible granules etc. are sprayed in soil and with the method that mixes of soil entirety, be sprayed in implantation hole, seed furrow by after pulvis, water-dispersible grain dilution agent, in the method etc. of carrying out sowing before sowing or before serike body.
Propagating materials such as seed, fruit, stem tuber or kernel or plant cutting that composition of the present invention is also suitable for protective plant are by the infringement of pest particularly insect and acarid.Before administration with this propagating materials of compositions-treated, such as, can dress seed prior to seeding.Also by fluid composition, soak kernel or with solid composite bag by kernel, active component is applied to (bag quilt) in kind of benevolence.When propagating materials being applied to that such as seed is broadcast in ditch in seeding process, also said composition can be applied to application site.These are all the further themes of the present invention to the plant propagation material of the processing method of plant propagation material and so process.
On the other hand, process of the present invention also can produce following super additive effect: improve plant growth, improve tolerance to high temperature or low temperature, improve arid or to the tolerance of water or soil salt content, improve Flowering quality, make to gather easier, accelerate ripe, improve productive rate of gathering, improve the quality of harvested products and/or improve its nutritive value, improve the bin stability of harvested products and/or its processing characteristics.
It is common with favourable that Pesticidal combination of the present invention is used with following dosage usually:
-leaf portion is processed: 0.1-10000 g/ha, preferred 10-1000 g/ha, more preferably 20-300 g/ha; For dipping or instillation are used, described dosage even can also reduce, particularly when using inert base as asbestos or pearl rock;
-for seed treatment: 2-200g/100kg seed, preferred 3-150g/100kg seed;
-for soil treatment: 0.1-10000 g/ha, preferred 1-5000 g/ha.
Above-mentioned dosage is only general exemplary dose, and actual those skilled in the art can according to actual conditions and needs when using, and especially adjusts rate of application according to the character of pending plant or crop and insect pest situation.
It should be pointed out that any embodiment of the present invention or embodiment any technical characteristic can independently with other embodiment combination with one another any of the present invention.That is, one or more technical characteristics of any embodiment of the present invention all can reconfigure with other technical characteristic any.Technical characteristic reconfigures and the technical characteristic that formed is disclosed in herein thus, and it is documented in the same especially herein.
The present invention has following 5 points by both composite benefits:
A, described insecticidal activity exceed active sum when described two kinds of reactive compounds are used separately; This makes the amount optimizing reactive compound used become possibility;
C, delayed the generation of resistance: both mechanisms of action and the mode of action are completely different, have after combination tag, stomach toxicity, ovicidal and reduce the effect of spawning rate and incubation rate, thus insect is more easily killed, thus has delayed the generation of resistance;
D, expanded Tolfenpyrad and cycloxaprid control spectrum;
The present invention by by Tolfenpyrad and cycloxaprid composite according to a certain percentage, thus make it on control field crops Lepidoptera and homoptera pest, achieve cooperative gain effect, reduce the single dose usage amount of Tolfenpyrad and cycloxaprid in addition, reduce use cost, reduce the risk that insect develops immunity to drugs.
Embodiment
Example of formulations
Embodiment 1 2% Tolfenpyrad+3% cycloxaprid missible oil
Said components is mixed to the liquid of transparent and homogeneous, namely obtain 2% Tolfenpyrad+3% cycloxaprid missible oil.
Embodiment 2 10% Tolfenpyrad+10% cycloxaprid wettable powder
By the proportional components mixing by formula such as active component, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 10% Tolfenpyrad+10% cycloxaprid wettable powder
Embodiment 3 10% Tolfenpyrad+2% cycloxaprid emulsion in water
Former medicine, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; By water-soluble component and the obtained aqueous phase of water mixing; Under high velocity agitation, oil phase is mixed with water, obtained 10% Tolfenpyrad+2% cycloxaprid emulsion in water.
Embodiment 4 50% Tolfenpyrad+10% cycloxaprid water dispersible granule
Active component, dispersant, wetting agent, disintegrant and the filler ratio in formula is mixed, becomes wetting powder through air-flow crushing, then add a certain amount of water mixing extruder grain.50% Tolfenpyrad+10% cycloxaprid water dispersible granule is obtained after drying screening.
Embodiment 5 10% Tolfenpyrad+50% cycloxaprid microemulsion
Said components is mixed to the liquid of transparent and homogeneous, namely obtain 10% Tolfenpyrad+50% cycloxaprid microemulsion.
Embodiment 6 50% Tolfenpyrad+1% cycloxaprid wettable powder
By the proportional components mixing by formula such as active component, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 50% Tolfenpyrad+1% cycloxaprid wettable powder.
Embodiment 7 2% Tolfenpyrad+50% cycloxaprid suspension emulsion
Tolfenpyrad is dissolved in Solvesso200, adds ethoxylated castor oil, obtain cycloxaprid missible oil; By cycloxaprid, 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 Tolfenpyrad is joined in the suspending agent containing cycloxaprid, obtains suspension emulsion.
Embodiment 8 1% Tolfenpyrad+10% cycloxaprid emulsion in water
Oil phase:
Aqueous phase:
Tolfenpyrad and cycloxaprid are dissolved in methyl oleate, add polystyrene and obtain oil phase; Mix according to the component in formula and obtain aqueous phase; Under agitation oil phase is added aqueous phase and obtain aqueous emulsion.
Embodiment 9 70% Tolfenpyrad+20% cycloxaprid wettable powder
Combinations thereof is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 10 30% Tolfenpyrad+50% cycloxaprid coated granule
In a mixer, by levigate active component even spread on the carrier soaked by polyethylene glycol.Dust-free coated granules agent can be obtained in this way.
Embodiment 11 5% Tolfenpyrad+25% cycloxaprid wettable powder
Said components is mixed in proportion, and grinds, pulverize, be prepared into wetting powder.
Embodiment 12 1% Tolfenpyrad+50% cycloxaprid extrudes granule
Active component mixed with auxiliary agent and grind, mixture water is moistening.This mixture is extruded, then dry in the air stream.
Embodiment 13 20% Tolfenpyrad+2% cycloxaprid suspension emulsion
Tolfenpyrad is dissolved in Solvesso200, adds ethoxylated castor oil, obtain Tolfenpyrad missible oil; By cycloxaprid, 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 Tolfenpyrad is joined in the suspending agent containing cycloxaprid, obtains suspension emulsion.
Embodiment 14 25% Tolfenpyrad+25% cycloxaprid suspension emulsion
Tolfenpyrad is dissolved in Solvesso200, adds ethoxylated castor oil, obtain Tolfenpyrad missible oil; By cycloxaprid, 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 Tolfenpyrad is joined in the suspending agent containing cycloxaprid, obtains suspension emulsion.
Embodiment 15 50% Tolfenpyrad+2% cycloxaprid suspension emulsion
Tolfenpyrad is dissolved in Solvesso200, adds ethoxylated castor oil, obtain Tolfenpyrad missible oil; By cycloxaprid, 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 Tolfenpyrad is joined in the suspending agent containing cycloxaprid, obtains suspended emulsion.
Embodiment 16 5% Tolfenpyrad+15% cycloxaprid missible oil
Said components is mixed to the liquid of transparent and homogeneous, namely obtain 5% Tolfenpyrad+15% cycloxaprid missible oil.
Embodiment 17 25% Tolfenpyrad+5% cycloxaprid microcapsule suspension-suspendinagent agent
By PAPI, the oil phase that Tolfenpyrad and Solvesso 200 are formed adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated 50
ocatalyst reaction is added 2 hours under C.The microcapsules of Tolfenpyrad is obtained after cooling.
Atlox 4913, dispersant LFH, defoamer, urea, cycloxaprid and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the Tolfenpyrad obtained is added in the aqueous suspension agent of cycloxaprid, stirs and obtain 25% Tolfenpyrad+5% cycloxaprid microcapsule suspension-suspendinagent agent.
Embodiment 18 5% Tolfenpyrad+50% cycloxaprid suspension seed-coating agent
Tolfenpyrad is dissolved in Solvesso200, adds ethoxylated castor oil, obtain Tolfenpyrad missible oil; By cycloxaprid, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, xanthans, glycerine, polyvinylpyrrolidone, above-mentioned each component such as water mixes in proportion, and through sand milling, is prepared into suspending agent.
The oil phase of Tolfenpyrad is joined in the suspension seed-coating agent containing cycloxaprid, obtains 5% Tolfenpyrad+50% cycloxaprid suspension seed-coating agent.
Embodiment 19 5% Tolfenpyrad+5% cycloxaprid aerosol
First by antifreezing agent propane diols, thinner SOLVESSO 100 mixes, and adds Tolfenpyrad and cycloxaprid under stirring; Surfactant is added wherein, under agitation pulverized by a breaking plant colloid mill, will the suspension after colloid mill be passed through, then through a micronizer.Move in circles to the particle diameter≤2um of solids.
Embodiment 20 50% Tolfenpyrad+5% cycloxaprid wettable powder
By the proportional components mixing by formula such as active component, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain 50% Tolfenpyrad+5% cycloxaprid wettable powder.
Embodiment 21 20% Tolfenpyrad+80% cycloxaprid
In above embodiment, proportioning is weight per distribution ratio.
Wetting powder the key technical indexes of the present invention:
Water dispersible granular the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Biological test example
The mixture of different pesticide species is the common methods of control agricultural disease, worm, crop smothering.Being screened by formulation of pesticide, draw rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the drug-fast generation of disease pest and weed, is the important means that agricultural synthesis is administered.
But the effect that different formula combination modes produces has Unpredictability, generally can produce three kinds of different effects, be respectively summation action, synergistic effect and antagonism.
In the present invention, inventor is by a large amount of screening tests, lot of experiments and effectiveness analysis have been carried out to the different ratio of Tolfenpyrad and cycloxaprid, find in certain ratio range, the Pesticidal combination obtained has gain effect, and be not only the simple addition of two kinds of medicaments, be specifically described with following embodiment.
Adopt the mode that Toxicity Determination and insecticidal test combine in embodiments of the present invention, first Toxicity Determination is passed through, 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 insecticidal test more on this basis.
Computing formula is as follows:
Live before lethality (%)=(borer population of living after borer population-medicine of living before medicine)/medicine borer population * 100
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, calculates concentration LC in suppression with method of least squares
50, then calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Computing formula following (take Tolfenpyrad as standard agent, its toxicity index is 100):
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100
In theoretical toxicity index (TTI)=A medicament ATI × mixture A percentage composition+B medicament ATI × mixture in the percentage composition of B
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
Test a Tolfenpyrad and cycloxaprid to the Toxicity Determination of citrus red mite
Test evaluates 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, inserts in the peace added water and cut open in bottle.Connect the one-tenth mite of some.Wait becoming mite to lay eggs after 24h, removing into mite, the blade with abundant ovum is dipped in 10s in liquid, sucking unnecessary liquid with blotting paper rapidly, blade being placed in again peace and cuing open bottle, naturally dry.Be placed in observation ward and cultivate.Test repetition 4 times, and establish blank, investigate after contrasting all hatchings.Dead worm is considered as with the young mite that can not hatch He can not normally creep during investigation.
Table 1
From table one, control two spotted spider mite, when the proportioning of Tolfenpyrad and cycloxaprid is in the scope of 100:1-1:100, co-toxicity coefficient is all greater than 120, the mixture of both explanations within the scope of this all shows as gain effect, and especially when both ratios are at 1:5, gain effect is particularly outstanding.
Test two: Tolfenpyrad and cycloxaprid are to the Toxicity Determination of brown planthopper
Adopt the method connecing worm after first soaking leaf, take out after the blade of the same size not contacting any medicament is soaked 5s in the liquid prepared, naturally dry, put into insect box, then connect for examination larva, raise under 25 DEG C of conditions, often process and repeat for 3 times, often repeating examination borer population used is 20, establishes blank simultaneously, checks dead borer population in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC50 value.If contrast lethality is greater than 10%, be then considered as invalid test.
Table 2
From table one, control brown planthopper, when the proportioning of Tolfenpyrad and cycloxaprid is in the scope of 100:1-1:100, co-toxicity coefficient is all greater than 120, the mixture of both explanations within the scope of this all shows as gain effect, and especially when both ratios are at 1:10, gain effect is particularly outstanding.
Test three: Tolfenpyrad and cycloxaprid are to the Toxicity Determination of prodenia litura
Adopt the method connecing worm after first soaking leaf, take out after the blade of the same size not contacting any medicament is soaked 5s in the liquid prepared, naturally dry, put into insect box, then connect for examination larva, raise under 25 DEG C of conditions, often process and repeat for 3 times, often repeating examination borer population used is 20, establishes blank simultaneously, checks dead borer population in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC50 value.If contrast lethality is greater than 10%, be then considered as invalid test.
Table 3
As known from Table 3, control prodenia litura, when the proportioning of Tolfenpyrad and cycloxaprid is in the scope of 100:1-1:100, co-toxicity coefficient is all greater than 120, the mixture of both explanations within the scope of this all shows as gain effect, and especially when both ratios are at 1:10, gain effect is particularly outstanding.
Test four: Tolfenpyrad and cycloxaprid are to the Toxicity Determination of Frankliniella occidentalis
Table 4
As known from Table 3, control Frankliniella occidentalis, when the proportioning of Tolfenpyrad and cycloxaprid is in the scope of 100:1-1:100, co-toxicity coefficient is all greater than 120, the mixture of both explanations within the scope of this all shows as gain effect, and especially when both ratios are at 1:1, gain effect is particularly outstanding.
Biological Examples
The expection that we calculate two kinds of given active compound according to S.R.Colby, Weeds 15 (1967), 20-22 in biological Examples of the present invention is active:
We are killing rates when using reactive compound A with the concentration of the rate of application of mg/ha or mppm with X, represent with the percentage of untreated control,
Y is killing rate when using reactive compound B with the concentration of the rate of application of ng/ha or nppm, represents with the percentage of untreated control,
E is killing rate when using reactive compound A and B with the concentration of the rate of application of m and ng/ha or m and nppm, represents with the percentage of untreated control,
Then there is following formula:
If actual killing rate is higher than calculated value, so the killing rate of compounded combination medicament be exactly super add and i.e. synergistic function.
Biological test example 1 brown planthopper is tested
The rice seedling of germination is set in glass cylinder, then the brown planthopper larva in 4 ages is released 5.Liquid 0.5ml dilution being modulated into defined concentration uses spray tower to spray.And remain on 25
oin c thermostatic chamber, the life and death of process 5 days " Invest, Then Investigate " larvas, determines the lethality in %.100% represents that whole brown planthopper is killed; 0% represents do not have brown planthopper to be killed.The lethality determined is substituted into Colby formula.
In this experiment, such as, the following active compound combinations of the application, compared with the reactive compound used separately, shows the collaborative activity improved:
Brown planthopper is tested
Biological test example 2 prodenia litura is tested
Cabbage leaf is modulated in the liquid of defined in dilution and soaks 60 seconds, put in the circular cup of diameter 8cm after air-dry, the prodenia litura in 3 ages is respectively inoculated 5, be then placed in the thermostatic chamber of 25oc.Process 5 days " Invest, Then Investigate " existence borer populations, determine the lethality in %.100% represents that whole prodenia litura kills; 0% represents do not have prodenia litura to be killed.The lethality determined is substituted into Colby formula.
In this experiment, such as, the following active agent combinations of the application, compared with the reactive compound used separately, shows the collaborative activity improved:
Prodenia litura is tested
Biological test 3 Frankliniella occidentalis is tested
To on the polyethylene cup of 90ml capacity adding water, cover the lid of a centre perforate (footpath is about 5mm).The circular filter paper of footpath 6.5cm is opened the otch of width an about 5mm, the part of the strip let droop is stretched into from the tapping of lid to cup and makes it be immersed in the water, with absorbent cotton on this filter paper.Like this, the absorbent cotton constantly being carried out supply by the water in cup is put 1 leaf dish made by kidney bean primary leaf (footpath 30mm), the Frankliniella occidentalis larva in 1 age is inoculated 10 by this leaf dish, use rotary spray tower, the liquid that dilution is modulated into defined concentration is sprayed by the amount of 1 glass of 3.5ml.Remain in the thermostatic chamber of 25 DEG C after sprinkling, process 3 days and use binocular microscope to investigate the life and death of 1 instar larvae afterwards, and calculate in % lethality (1 10, district).100% represents that whole thrips is killed; 0% represents do not have thrips to be killed.The lethality determined is substituted into Colby formula.
In this experiment, such as, the following active agent combinations of the application, compared with the reactive compound used separately, shows the collaborative activity improved:
Frankliniella occidentalis is tested
Biological test example 4 citrus red mite is tested
To on the 90ml capacity polyethylene cup adding water, cover the lid of a centre perforate (footpath is about 5mm).The circular filter paper of footpath 6.5cm is opened the otch of width an about 5mm, the part of the strip let droop is stretched into from the tapping of lid to cup and makes it be immersed in the water, with absorbent cotton on this filter paper.Like this, the absorbent cotton constantly being carried out supply by the water in cup is put 4 leaf dishes be made by kidney bean primary leaf (footpath 20mm), female for two spotted spider mite adult worm is inoculated 2 by this leaf dish, makes it lay eggs at Ye Panshang.After about within 20 hours, laying eggs, remove female adult worm, use rotary spray tower), the liquid that dilution is modulated into defined concentration is sprayed by the amount of 1 glass of 3.5ml.Remain in the thermostatic chamber of 25 DEG C after sprinkling, process the life and death of 10 days " Invest, Then Investigate " egg hatching states and larva, and calculate in % ovicidal+larva rate.100% represents that whole ovum or larva are killed; 0% expression does not have ovum to be hatched or larva is killed.The lethality determined is substituted into Colby formula.
Biological test example 5 black peach aphid is tested
At diameter 8cm, in the plastic kettle of height 8cm, plant Chinese cabbage, and after black peach aphid is bred, the liquid that dilution is modulated into defined concentration is sprayed onto leaves and stems fully.After air-dry, kettle is placed in greenhouse, then parasitic on the sprinkling 6 days each Chinese cabbage of " Invest, Then Investigate " Aphed population, goes out according to following benchmark and prevent and kill off rate in %.100% represents that whole aphid is killed; 0% represents do not have aphid to be killed.The rate of preventing and kill off determined is substituted into Colby formula.
Illustrate by Tolfenpyrad and cycloxaprid composite according to a certain percentage, thus make its control field crops Lepidoptera and homoptera pest on achieve cooperative gain effect.
Claims (18)
1. a Pesticidal combination, is characterized in that: comprise the first active substance and the second active substance, and described first active substance is Tolfenpyrad, and the second active substance is cycloxaprid, and the weight ratio of Tolfenpyrad and cycloxaprid is 1:100-100:1.
2. Pesticidal combination according to claim 1, is characterized in that: the weight ratio of described Tolfenpyrad and cycloxaprid is 1:50-50:1.
3. Pesticidal combination according to claim 1, is characterized in that: the weight ratio of described Tolfenpyrad and cycloxaprid is 1:25-25:1.
4. Pesticidal combination according to claim 1, is characterized in that: the weight ratio of described Tolfenpyrad and cycloxaprid is 1:10-10:1.
5. Pesticidal combination according to claim 1, is characterized in that, the weight of described Tolfenpyrad and cycloxaprid accounts for described Pesticidal combination 5%-90% by weight altogether.
6. Pesticidal combination according to claim 1, is characterized in that, described Tolfenpyrad and cycloxaprid account for described composition 10%-80% by weight altogether.
7. Pesticidal combination according to claim 1, is characterized in that, described Tolfenpyrad and cycloxaprid account for described composition 20%-60% 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, formulation is missible oil, suspending agent, seed coat agent, water dispersible granules, wetting powder, suspension emulsion, extrude granule, coated granule, aerosol, aqueous emulsion, microcapsule suspending agent, microemulsion, microcapsule suspension-suspendinagent 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 preventions or control the methods of pest, is characterized in that, the Pesticidal combination of claim 1 are used for the propagating materials of target useful plant, object noxious livings or its environment, target useful plant.
The method of 12. a kind of preventions according to claim 11 or control pest, it is characterized in that, described plant propagation material is seedling, rhizome, garden seedling, cutting or seed.
The method of 13. a kind of preventions according to claim 11 or control pest, it is characterized in that, described pest is selected from Insecta, arachnids and Nematoda.
14. the method for a kind of prevention according to claim 11 or control pest, it is characterized in that, described pest is selected from Lepidoptera, homoptera pest.
The method of 15. a kind of preventions according to claim 11 or control pest, is characterized in that, comprise separately, use Tolfenpyrad and cycloxaprid successively or simultaneously.
The method of 16. a kind of preventions according to claim 11 or control pest, it is characterized in that, wherein Tolfenpyrad and cycloxaprid are respectively naturally through the form of compositions formulated.
17. Pesticidal combinations according to claim 1 are for the treatment of the purposes of seed.
18. cover crop, in case a method for pest infestation, is characterized in that, comprise and crop is contacted with Pesticidal combination according to claim 1.
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| CN103250714A (en) * | 2013-05-22 | 2013-08-21 | 吴江市德佐日用化学品有限公司 | Insecticidal composition |
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| US8563546B2 (en) * | 2008-12-19 | 2013-10-22 | East China University Of Science And Technology | Heterocyclic nitrogenous or oxygenous compounds with insecticidal activity formed from dialdehydes and their preparation and uses thereof |
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