CN108522515A - A kind of application of the bactericidal composition containing kresoxim-methyl and tetraconazole - Google Patents

A kind of application of the bactericidal composition containing kresoxim-methyl and tetraconazole Download PDF

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Publication number
CN108522515A
CN108522515A CN201710118771.4A CN201710118771A CN108522515A CN 108522515 A CN108522515 A CN 108522515A CN 201710118771 A CN201710118771 A CN 201710118771A CN 108522515 A CN108522515 A CN 108522515A
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methyl
tetraconazole
kresoxim
plant
bactericidal composition
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CN201710118771.4A
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罗昌炎
詹姆斯.T.布里斯托
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Jiangsu Rotam Chemical Co Ltd
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Jiangsu Rotam Chemical Co Ltd
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Priority to CN201710118771.4A priority Critical patent/CN108522515A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647—Triazoles; Hydrogenated triazoles
    • A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/50—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton

Abstract

A kind of application of the bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention is related to a kind of bactericidal composition containing kresoxim-methyl and tetraconazole and is reducing or preventing Cereal by the purposes in Fusarium fungal infection.The present invention provides purposes of the bactericidal composition containing kresoxim-methyl and tetraconazole in reducing or preventing Cereal by the infecting of toxin that Fusarium fungi is formed, and the ratio of the kresoxim-methyl and tetraconazole is 20:1‑1:20.Wherein the bactericidal composition of kresoxim-methyl and tetraconazole infects that there are the uses of the ratio of cooperative synergism effect to reducing or preventing Cereal with the combination by toxin that Fusarium fungi is formed.

Description

A kind of application of the bactericidal composition containing kresoxim-methyl and tetraconazole
Technical field
A kind of application of the bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention be related to it is a kind of containing kresoxim-methyl with The bactericidal composition of tetraconazole is reducing or preventing Cereal by the purposes in Fusarium fungal infection.
Background technology
The stock of all cereal verieties such as wheat, barley, rye, triticale, oat, rice and corn may be by fusarium The mould mycetogenetic mycotoxin of category infects.Most easily infected be triticale, oat, common wheat and especially solids is small Wheat.
Fusarium disease (Fusarioses) is important Cereal disease.Fusarium fungi（Fusarium）Mainly It is parasitic in the soil, the degrading plant material together with other microorganisms.Cereal leads to characteristic by Fusarium fungal infection Fringe infect, wherein each fringe albefaction and in some cases it is observed that blush spore coating.In most cases, fringe Position or more is withered and only there forms empty grain infecting.Furthermore it is possible that the grain usually with slurry is infecting position or less It is ripe；However, these grain are usually infected by mycotoxin.Therefore, Fusarium fungi may not only reduce yield, Er Qieshou The Cereal obtained is also infected by mycotoxin.The infecting of grain be likely to occur on fringe and it is less common be to be happened at harvest Material storage during.
In order to reduce or prevent Cereal by Fusarium fungal infection, currently used measure is mainly following measure：
Cultivation is not easy the cultivar by Fusarium fungal infection；
Suitable crop rotation；It especially avoids using corn as previous stubble crop；
Deep ploughing, especially when previous stubble crop is corn；
The condition of storage for preventing Fusarium fungi from developing.
However, these pure preventive measures and unsatisfactory and effect and unreliable, especially when weather conditions prevailing When being conducive to fungal infection.Therefore, the purpose of the present invention is to provide for reducing or prevent Cereal by Fusarium fungi shape At the compound that infects of toxin.
Invention content
The purpose of the present invention is place provides a kind of Bactericidal composite containing kresoxim-methyl and tetraconazole against the above deficiency The application of object, for reducing or the compound that prevents Cereal from being infected by the toxin that Fusarium fungi is formed.
Surprisingly, it has been found that kresoxim-methyl is used in combination and tetraconazole has reduced or prevented Cereal by Fusarium The toxin that fungi is formed infects.
The present invention provides a kind of bactericidal composition containing kresoxim-methyl and tetraconazole and is reducing or preventing Cereal by sickle The mould purposes belonged in the infecting of toxin that fungi is formed of spore.
The present invention provides a kind of bactericidal composition containing kresoxim-methyl and tetraconazole and is reducing or preventing Cereal by sickle The mould purposes belonged in the infecting of toxin that fungi is formed of spore, wherein kresoxim-methyl and the bactericidal composition of tetraconazole are combined pair with this It reduces or prevents Cereal and infects that there are the uses of the ratio of cooperative synergism effect by toxin that Fusarium fungi is formed.
The ratio of kresoxim-methyl and tetraconazole is preferably 20:1-1:20, more preferable 15:1-1:15, more preferable 10:1-1: 10, more preferable 5:1-1:5.
The present invention provides a kind of method for reducing or preventing Cereal and being infected by the toxin that Fusarium fungi is formed, with containing Have the bactericidal composition of kresoxim-methyl and tetraconazole processing pathogenic bacteria and/or its environment or plant, plant propagation material and with The plant organ, soil, material or the space that grow afterwards, stock.
A method of reducing or preventing Cereal and infected by the toxin that Fusarium fungi is formed, with containing kresoxim-methyl and The bactericidal composition of tetraconazole handles or handles respectively pathogenic bacteria and/or its environment or plant, plant propagation material simultaneously And then grow plant organ, soil, material or space, stock.
A method of reducing or preventing Cereal and infected by the toxin that Fusarium fungi is formed, with containing kresoxim-methyl and The bactericidal composition of tetraconazole applied with seed treatment, foliage applying, stem, is impregnated with, instiled, poured into a mould, sprayed, sprayed, dusting, It spreads or the modes such as smoke handles pathogenic bacteria and/or its environment or plant, the plant propagation material and plant device then grown Official, soil, material or space, stock.
Detailed description of the invention
Fusarium fungi, important kind have machete fusarium (F. culmorum) and fusarium graminaria (F. Graminearum top fusarium (F.acuminatum), oat fusarium (F. avenaceum), scouring rush's fusarium (F.), are taken off Equiseti), Fusorium moniliforme Sheldon (F. moniliforme), ancient DNA（F. oxysporum), annual bluegrass fusarium（F. Poae), intend branch spore fusarium (F. sporotrichioides), micro- glue fusarium (F. subglutinans) and three septal falx spores （F.tricinctum）.
Fusarium fungi may not only reduce yield, but also the Cereal harvested is also infected by mycotoxin.Grain Infect be likely to occur on fringe and it is less common be the material for being happened at harvest storage during.
The present invention provides a kind of bactericidal composition containing kresoxim-methyl and tetraconazole and is reducing or preventing Cereal by sickle The mould purposes belonged in the infecting of toxin that fungi is formed of spore.
Kresoxim-methyl（Kresoxim-methyl）, it is a kind of novel methoxy acrylic sterilization developed by BASF Agent.Kresoxim-methyl has been described in EP0253213.Kresoxim-methyl has good preventive effect to apple and pear scab, powdery mildew.
Tetraconazole（Tetraconazole）, it is the triazole bactericidal agent developed by Isagro companies.Tetraconazole is Through being described in JP62169773.
CN101700032 discloses a kind of bactericidal composition containing tetraconazole and application.Disclose tetraconazole with The bactericidal composition of kresoxim-methyl.And tetraconazole and the prevention wheat rust drug effect examination of kresoxim-methyl list mixture are disclosed in test example It tests.
The present invention provides a kind of bactericidal composition containing kresoxim-methyl and tetraconazole and is reducing or preventing Cereal by sickle The mould purposes belonged in the infecting of toxin that fungi is formed of spore, wherein kresoxim-methyl and the bactericidal composition of tetraconazole are combined pair with this It reduces or prevents Cereal and infects that there are the uses of the ratio of cooperative synergism effect by toxin that Fusarium fungi is formed.Ether bacterium The ratio of ester and tetraconazole is preferably 20:1-1:20, more preferable 15:1-1:15, more preferable 10:1-1:10, more preferable 5:1- 1:5。
The ratio of kresoxim-methyl and tetraconazole can also be：20:1,19:1,18:1,17:1,16:1,15:1,14:1,13: 1,12:1,11:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:5.25, 1:5.5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:16,1:17,1:18,1:19,1:20。
Kresoxim-methyl and tetraconazole can also be administered in combination with following fungicide：
Acylalaninies class, for example, M 9834 (benalaxyl), metalaxyl (metalaxyl), fenfuram (ofurace), Evil frosts are clever (oxadixyl);
Amine derivative, such as 4- dodecyls -2,6- thebaine (aldimorph), dodine (dodine), dodemorfe （Dodemorph), butadiene morpholine (fenpropimorph), fenpropidin (fenpropidin), Guanoctine (guazatine), double The pungent acetate of guanidine (iminoctadine), Loazolamines (spiroxamine), tridemorph (tridemorph)；
Anilino-pyrimidine, such as the third pyrimidine of pyrimethanil (pyrimethanil), mepanipyrim (mepanipyrim) or ring (cyprodinil)；
Antibiotic, such as cycloheximide (cycloheximide), griseofulvin (griseofulvin), spring thunder element (kasugamycin), myprozine（Natamycin), Polyoxin（) or streptomysin (streptomycin) polyoxin;
Azole, such as Bitertanol (bitertanol), bromuconazole (bromoconazole), cyproconazole (cyproconazole), difenoconazole (difenoconazole), olefin conversion (dinitroconazole), benzoxazole (fenbuconazole), Fluquinconazole (fluquinconazole), Flusilazole (flusilazole), hexaconazole (hexaconazole), enzyme (imazalil), nitrile bacterium azoles (myclobutanil), penconazole (penconazole), the third ring Azoles (propiconazole), Prochloraz (prochloraz), prothioconazoles (prothioconazole), Tebuconazole (tebuconazole), triazolone (triadimefon), triadimenol (triadimenol), fluorine bacterium azoles (triflumizole), Triticonazole (triticonazole), the chloro- 7- of 5- (4- methyl piperidine -1- bases) (2,4,6- trifluorophenyl)-[1,2,4] -6- Triazol [1,5-a] pyrimidine;
Dicarboximide class, such as iprodione (iprodione), myclozolin（Myclozolin), procymidone (procymidone), vinclozolin (vinclozolin)；
Dithiocarbamates, such as fervam (ferbam), Dithane A40（Nabam), maneb (maneb), Dai Senmeng Zinc (mancozeb), metham-sodium (metam), Carbatene (metiram), propineb (propineb), polycarbamate (polycarbamate), thiram (thiram), ziram (ziram), zineb (zineb)；
Heterocyclic compound, such as anilazine (anilazine), benomyl (benomyl), Boscalid (boscalid), carbendazim (carbendazim), carboxin (carboxin), carboxin (oxycarboxin), cyazofamid (cyazofamid), dazomet (dazomet), Delan is (dithianon), , azolactones bacterium (famoxadone), Fenamidone (fenamidone), different phonetic Mykol (fenarimol), furidazol (fuberidazole), flutolanil（Flutolanil), furan pyrazoles spirit （Furametpyr), the third oxygen mebenil (mepronil), nuarimol (nuarimol), probenazole (probenazole), third Oxygen quinoline (proquinazid), praziquantel (pyrifenox), pyroquilon (pyroquilon), quinoxyfen (quinoxyfen), Silthiopham (silthiofam), Apl-Luster (thiabendazole), thifluzamide（Thifluzamide), thiophanate methyl (thiophanate-methyl), tiadinil (tiadinil), tricyclazole (tricyclazole)；
Copper fungicide, such as Bordeaux mixture (Bordeau mixtures）, copper acetate, Cupravit (copperoxychloride), alkali formula Copper sulphate；
Phenylpyrrole class, such as fenpiclonil (feniclonil) Huo Fu Evil bacterium (fludioxonil);
Sulfenic acids derivative, such as difoltan（Captafol), captan（Captan), Euparen (dichlofluanid), go out Bacterium pellet (folpet), tolyfluanid (tolylfluanid);
Cinnamamide and similar compound, such as dimethomorph (dimethomorph), fluorine biphenyl bacterium（flumetover）Or fluorine Quinoline（flumorph）.
Strobilurins class（Strobilurins), such as nitrile Fluoxastrobin（Azoxystrobin), dimoxystrobin (dimoxystrobin), fluoxastrobin (fluoxastrobin), kresoxim-methyl (kresoxim-methyl), SSF 126 （Metominostrobin), orysastrobin（Orysastrobin), ZEN 90160 (picoxystrobin) or trifloxystrobin (trifloxystrobin);
Other fungicides, such as thiadiazoles element（Acibenzolar-S-methyl), benzene metsulfovax (benthiavalicarb), Carpropamide (carpropamid), Bravo (chlorothalonil), cyflufenamid (cyflufenamid), cymoxanil (cymoxanil), diclomezine (diclomezine), double chlorine zarilamid (diclocymet), diethofencarb (diethofencarb), Hinosan (edifenphos), Guardian (ethaboxam), fenhexamid (fenhexamid), zarilamid (fenoxanil), ferimzone (ferimzone), fluazinam (fluazinam), fosetyl aluminium (fosetyl-aluminum), isopropyl Bacterium amine (iprovalicarb), hexachloro-benzene (hexachlorobenzene), metrafenone (metrafenone), Pencycuron (pencycuron), hundred dimension spirit（Propamocarb), Rabcide（Phthalide), tolelofos-methyl (tolclofos- Methyl), pentachloronitrobenzene (quintozene), zoxamide (zoxamid).
The toxin formed by Fusarium fungi to reducing or preventing Cereal is used in combination in kresoxim-methyl and tetraconazole Infect that there are cooperative synergism effects." synergy " refers to the work increased in a manner of super adduction to Fusarium fungal infection With.With comparing desired by the activity based on single-activity compound, kresoxim-methyl and being used in combination for tetraconazole more effectively show Writing reduces Cereal infecting by toxin that Fusarium fungi is formed.
Kresoxim-methyl and tetraconazole can directly, in the form of its preparaton or use form prepared therefrom is applied.Often It is, for example, wettable powder, missible oil, suspending agent, suspension emulsion, microcapsules, seed coat agent, microemulsion, aqueous emulsion, moisture to advise preparaton Shot agent, foaming agent, paste, aerosol, ultra-low volume spray liquid, granule.Under each preparaton form, it should be ensured that this hair The best possible distribution of bright reactive compound used and auxiliary agent.
The preparaton of the present invention can be by known way by the active constituent and filler and/or surfactant Mixing and prepare, can also add other conventional additives, as drier and colorant, stabilizer, pigment, antifoaming agent, preservative, Thickener etc..
According to the present invention, term " filler ", which refers to, can be combined with reactive compound or combines to make it easier for being administered to Object（Such as plant, crop or careless class）Natural or synthetic organic or inorganic compound.Therefore, the filler is preferably It is inert, it is acceptable at least to should be agricultural.The filler can be solid or liquid.
Liquid filler is usually：Water, alcohol type（Such as methanol, ethyl alcohol, isopropanol, butanol, ethylene glycol etc.）, ketone （Such as acetone, methyl ethyl ketone, isobutyrone, cyclohexanone etc.）, ethers（Such as ether, dioxanes, methylcellulose, Tetrahydrofuran etc.）, aliphatic hydrocarbon class（Such as kerosene, mineral oil etc.）, aromatic hydrocarbons class（Such as benzene, Toluene, dimethylbenzene, solvent naphtha, alkylnaphthalene, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene etc.）, halogenated hydrocarbon class, amide Class, sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, animal oil etc..
Solid-filling agent is usually：Phyteral powdery type（Such as soy meal, starch, grain dust, wood powder, bark powder, saw End, walnut shell powder, wheat bran, cellulose powder, coconut husk, corncob and tobacco stem particle, extract plant essence after residue Deng）, paper, sawdust, crush the synthesized polymer body, clay class of synthetic resin etc.（Such as kaolin, bentonite, acid china clay etc.）、 Talcum powder class.Silica（Such as diatomite, silica sand, mica, aqueous silicic acid, calcium silicates）, activated carbon, natural mineral matter class（It is floating Stone, attapulgite and zeolite etc.）, fire diatomite, sand, plastics medium etc.（Such as polyethylene, polypropylene, polyvinylidene chloride Deng）, potassium chloride, calcium carbonate, the inorganic mineral powder of calcium phosphate etc., ammonium sulfate, ammonium phosphate, urea, ammonium chloride etc. chemistry Fertilizer, clay fertilizer, these substances can be used alone or two or more is mixed.
To make the emulsification of active ingredient compound, dispersion, solubilized and/or wetting that can use surfactant example Fatty alcohol polyoxyethylene ether, polyoxyethylene alkylaryl ether, polyoxyethylene higher fatty acid esters, polyoxyethylene alcohol can such as be enumerated Or the phosphate of phenol, the aliphatic ester of polyalcohol, alkyl aryl sulphonic acid, naphthalene sulfonic acid polymer, lignosulfonates, macromolecule comb Branch shape copolymer, butyl naphthalene sulfonate, alkylaryl sulfonates, sodium alkylsulfosuccinates, grease, fatty alcohol and the epoxy of shape The polyacrylates such as oxide condensate, alkyltaurate, protein hydrolysate.Suitable oligosaccharide object or polymer, such as Based on individual vinyl monomer, acrylic acid, polyoxyethylene and/or polyoxypropylene or its with for example（It is polynary）Alcohol or（It is polynary）Amine Combination.
Also can be used in preparaton the natural of tackifier such as carboxymethyl cellulose and powder, particle or latex form and Synthetic polymer, such as gum arabic, polyvinyl alcohol and polyvinyl acetate or natural phospholipid, such as cephalin and lecithin Fat and synthetic phospholipid.Other additives are mineral oil and vegetable oil.
The colorant that may be used such as inorganic pigment, for example, iron oxide, titanium oxide and Prussian blue and organic dyestuff, such as Alizarin dyes, azo dyes or metal phthalein mountain valley with clumps of trees and bamboo dyestuff and trace nutrient, such as iron, manganese, boron, ketone, cobalt, molybdenum and zinc salt.
The disintegrant that may be used is selected from：Bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate In it is one or more.
The stabilizer that may be used is selected from：One kind in sodium citrate, resorcinol.
The antifreezing agent that may be used is selected from：It is one or more in ethylene glycol, propylene glycol, glycerine, urea.
The antifoaming agent is selected from：Silicone oil, silicone compound, C10-20 Saturated fat acids compound, C8-10Fatty alcohol It is one or more in class compound.
Optionally, also may include other annexing ingredients, for example, protecting colloid, adhesive, thickener, thixotropic agent, bleeding agent, Stabilizer, screening agent.
Bactericidal composition of the present invention can also with it is other with weeding, desinsection or bactericidal property medicaments, especially It is to be used in mixed way with protective fungicide, can also be adjusted with insecticide, protective agent, growth regulator, nutrient for plants or soil Agent is used in mixed way.
If kresoxim-methyl and tetraconazole are applied in combination with other fungicides, preferably by they with it is one or two kinds of other Fungicide is used in combination.
Composition of the present invention can be based on dosage form, i.e., each substance has mixed in composition；Composition Ingredient can also unit dose form provide, mixed in bucket or tank using preceding, be then diluted to required concentration.Wherein preferably with Based on preparaton form provided by the invention.
The present invention provides a kind of method for reducing or preventing Cereal and being infected by the toxin that Fusarium fungi is formed, with containing Have the bactericidal composition of kresoxim-methyl and tetraconazole processing pathogenic bacteria and/or its environment or plant, plant propagation material and with The plant organ, soil, material or the space that grow afterwards, stock.
A method of reducing or preventing Cereal and infected by the toxin that Fusarium fungi is formed, with containing kresoxim-methyl and The bactericidal composition of tetraconazole handles or handles respectively pathogenic bacteria and/or its environment or plant, plant propagation material simultaneously And then grow plant organ, soil, material or space, stock.
A method of reducing or preventing Cereal and infected by the toxin that Fusarium fungi is formed, with containing kresoxim-methyl and The bactericidal composition of tetraconazole applied with seed treatment, foliage applying, stem, is impregnated with, instiled, poured into a mould, sprayed, sprayed, dusting, It spreads or the modes such as smoke handles pathogenic bacteria and/or its environment or plant, the plant propagation material and plant device then grown Official, soil, material or space, stock.
A method of reducing or preventing Cereal and infected by the toxin that Fusarium fungi is formed, will contain kresoxim-methyl and The bactericidal composition of tetraconazole and plant, plant propagation material and the plant organ that then grows contact.
The kresoxim-methyl of the present invention combines/combined administration with tetraconazole.Including separate, sequentially or simultaneously apply kresoxim-methyl with Tetraconazole.Preferably, the kresoxim-methyl is combined as the preparation of the composition comprising kresoxim-methyl and tetraconazole with tetraconazole Dosage form formula.Administration time, application times and the rate of application that uses in each case must be adapted with condition prevailing and must Each independent situation must be determined by those skilled in the art.The kresoxim-methyl of the present invention is being used separately with tetraconazole In the case of, preferably at several seconds to several days, such as in several seconds to 14 days or several seconds to 7 days intervals.
The processing of Cereal or its plant part or Cereal cutting can be protectiveness and therapeutic.It can be in quilt Before or after infected by harmful fungi.It is preferred that carried out as close possible to time for infecting, i.e., as close possible to infect when Between put when infect before or after.
The bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention can be used as blade face in crop protection and kill very Microbial inoculum, can also be used as fungicide for dress seed and as soil fungicide, can also adopt rear stock antisepsis antistaling agent.
The bactericidal composition of the present invention can handle all plants." plant " refers to all plants and plant population, such as manages Wild plant think and undesirable, cultivated plant and plant variety are (regardless of whether by plant variety or plant cultivation human rights profit Protection).Cultivated plant and plant variety can be the plants obtained by Sterile culture and breeding method, these methods can be auxiliary With or be supplemented with one or more biological technique methods, such as use dihaploid, protoplast fusion, random prominent with orientation Change, molecule or genetic marker, or use bioengineering and genetic engineering method.Plant part refers to all grounds and ground of plant Lower part and organ, such as bud, leaf, Hua Hegen, such as leaf, needle, stem, branch, flower, fructification, fruit and seed and root, Bulb and rhizome.Crop and nourish and generate and case of propagation material, for example, transplant, bulb, rhizome, running roots and seed also belong to In plant part.
Term " plant propagation material " is interpreted as referring to all plant parts for having fertility, such as seed, can use In breeding the latter and vegetable matter such as cuttage item or stem tuber.Therefore, plant part used herein includes plant Propagating materials.It is mentioned that such as seed, root, fruit, stem tuber, bulb, rhizome and plant part.It waits for germinateing from soil The germination plant and effective plant inhibited afterwards or after emergence.Young plant can carry out whole or part by impregnating before transplantation It handles to be protected.
Currently preferred plant propagation material is seed.Bactericidal composition of the present invention is also particularly suitable for processing kind Son.Crop damage caused by most harmful fungoid is due to during storage or after sowing and in plant germination process In or germination after seed infringement caused by.Since the root and branch of growth period plant are especially sensitive and even if small damage Evil can result in the death of plant.This stage is particularly critical because by using suitable composition protection seed and The plant of germination is extremely important.
The present invention with the bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention also more particularly to by being handled Seed is infected with reducing or preventing the toxin that seed and germinating plants are formed from Fusarium fungi.This method sowing Afterwards or without additionally applying crop protection agents after plant germination or at least significantly additionally using crop protection agents.On the other hand, The amount for optimizing used reactive compound using bactericidal composition of the present invention, farthest to provide seed and hair The protection of bud plant against plant pathogenic fungi invasion, and plant itself will not by damaged using reactive compound Evil.
Reactive compound kresoxim-methyl and tetraconazole in the bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention Individually or it is applied to seed in the form of suitable preparaton.It is preferably handled in the state of substantially stabilized so that handling not It can cause any damage to seed.In general, random time point that can be between picking and sowing carries out processing seed.Usual institute The seed used is detached from plant and is isolated from cob, shell, stem, epidermis, hair or pulp.Therefore, it is possible to use for example, By picking, cleaning and the dry seed to water content less than 15%.Alternatively, it is also possible to using after dry for example with water process, Then the seed dried once more.
The medicament of the method for seed treatment, such as can there are, diluent liquid or solid-like or without dilution directly general Seed is immersed in the method for making medicament be impregnated with seed in liquid condition solution, is blended in solid chemicals or liquid preparation and seed Together, being coated processing makes the method for the surface of the seed attachment medicament, the methods of sprinkling near seed while plantation.
Harm budding after plant plant pathogenic fungi control mainly by using crop protection agents processing soil and The aerial part of plant carries out.
The bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention can be used for processing soil to reduce or prevent Only Cereal is infected by the toxin that Fusarium fungi is formed.The method that medicament is applied into soil, for example, liquid preparation is dilute It releases in water or does not dilute and the methods of be directly applied in the root of plant or the rice seedling bed of seedling, granule is disseminated to plant Method in the root of object or the rice seedling bed of seedling have prior to seeding by pulvis, water dispersible granules etc. be sprayed in soil and with The method that soil integrally mixes will be sprayed on implantation hole after pulvis, water-dispersible grain dilution agent before sowing or before serike body, broadcast In kind ditch, method of sowing etc. is being carried out.
The bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention can be used for handling plant or plant shoot Point to reduce or prevent Cereal infecting by toxin that Fusarium fungi is formed.To plant or aboveground vegetation part application When, kresoxim-methyl and tetraconazole are used in the form of aqueous spray liquid.It is carried out using spraying is preferably passed through.By jet sprays in plant The entire upper portion of object only sparges each plant part.The selection of each plant part of spray liquid to be administered depends on planting Article kind and its stage of development.
The bactericidal composition containing kresoxim-methyl and tetraconazole of the present invention can be used for processing stock to reduce or Prevent Cereal infecting by toxin that Fusarium fungi is formed.
According to the present invention, term " stock " is understood as referring to have originated from natural life cycle and it is desirable that long-term preservation Plant or animality source natural materials and its processed form.The stock of plant origin, such as plant or its portion Point, it, can be with the state of fresh harvesting or with form processing such as (pre-) dry, profit such as stem, leaf, stem tuber, seed, fruit or seed Wet, crushing, grinding, compacting or baking are protected.Can also be timber, thick timber form such as construction timber, electric pole and fence； Or final product form, such as the furniture made of timber or article.The stock of animal origin is animal skin, leather, hair, hair etc..Root The invasion such as burn into colour fading or mouldy of the fungi or bacterium of storage period can be prevented according to the composition of the present invention.It is preferred that will " storage Object " is understood as referring to the natural materials and its form processing, the preferably stock of Cereal of plant origin.
Cereal is, for example, wheat, rice, corn, barley, oat, triticale and rye.In the present invention, term " cereal Class " indicates plant itself and its harvest product, and corncob is also represented by such as grain or in the case of corn.Particularly preferred Cereal Selected from wheat, such as durum wheat or common wheat.
The present invention, which contains kresoxim-methyl and the bactericidal composition of tetraconazole, to be handled by different processing methods：
Liquid comprising the bactericidal composition is sprayed onto to the aerial part of the plant；
Dusting mixes particle or powder in the soil, is sprayed in the surrounding plants, and the tree injection or smearing the case where Under；
Cladding or film coated are carried out to the seed of plant.
The present invention provides a kind of method for reducing or preventing Cereal and being infected by the toxin that Fusarium fungi is formed, can be with It is treatment, prevention or method of eradication.
Generally for leaf portion processing：0.1-10000g/ha, preferably 10-1000 g/ha, more preferable 50-500 g/ha；It is right For dipping or application of instiling, the dosage can also even reduce, especially when using inert base such as asbestos or pearl When rock；
For seed treatment：2-5000g/100kg seeds, preferably 3-1000g/100kg seeds；
For soil or processing used for ponds：0.1-10000g/ha, preferably 1-1000g/ha.
Above-mentioned dosage is only general exemplary dose, and those skilled in the art can be according to practical feelings when reality is applied Condition and needs adjust rate of application especially in accordance with the seriousness of the property and germ of pending plant or crop.
A kind of application of the bactericidal composition containing kresoxim-methyl and tetraconazole, for reducing or prevent Cereal by fusarium The mould compound for belonging to the toxin that fungi is formed and infecting.
It has been found that kresoxim-methyl is used in combination and tetraconazole has reduced or prevented Cereal and formed by Fusarium fungi Toxin infect.
The present invention provides a kind of bactericidal composition containing kresoxim-methyl and tetraconazole and is reducing or preventing Cereal by sickle The mould purposes belonged in the infecting of toxin that fungi is formed of spore, wherein kresoxim-methyl and the bactericidal composition of tetraconazole are combined pair with this It reduces or prevents Cereal and infects that there are the uses of the ratio of cooperative synergism effect by toxin that Fusarium fungi is formed.
Specific implementation mode
Below with reference to embodiment, the invention will be further described：
Example of formulations：
+ 25% kresoxim-methyl wettable powder of 1 25% tetraconazole of embodiment
Tetraconazole 25%
Kresoxim-methyl 25%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
By reactive compound, various auxiliary agents and filler etc. by formula proportional components mix, after ultra-fine pulverizer disintegrating to get To+25% kresoxim-methyl wettable powder of 25% tetraconazole.
+ 20% kresoxim-methyl wettable powder of 2 4% tetraconazole of embodiment
Tetraconazole 4%
Kresoxim-methyl 20%
Calcium dodecyl benzene sulfonate 1%
Sodium lignin sulfonate 2%
Sucrose complements to 100%
By reactive compound, various auxiliary agents and filler etc. by formula proportional components mix, after ultra-fine pulverizer disintegrating to get To+20% kresoxim-methyl wettable powder of 4% tetraconazole.
+ 5% kresoxim-methyl missible oil of 3 25% tetraconazole of embodiment
Tetraconazole 25%
Kresoxim-methyl 5%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
N-Methyl pyrrolidone complements to 100%
Mentioned component is proportionally prepared, uniform phase is uniformly mixing to obtain.
+ 15% kresoxim-methyl aqueous emulsion of 4 15% tetraconazole of embodiment
Tetraconazole 15%
Kresoxim-methyl 15%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethyl sulfoxide (DMSO) 30%
Water complements to 100%
Mentioned component is proportionally prepared, uniform phase is uniformly mixing to obtain.
+ 5% kresoxim-methyl wettable powder of 5 30% tetraconazole of embodiment
Tetraconazole 30%
Kresoxim-methyl 5%
Lauryl sodium sulfate 5%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components are mixed in proportion, and grinds, crush, are prepared into wettable powder.
+ 10% water dispersion granules agent of Kresoxim of 6 5% tetraconazole of embodiment
Tetraconazole 5%
Kresoxim-methyl 10%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Tetraconazole, kresoxim-methyl, dispersant, wetting agent, disintegrant and filler are mixed according to the formula uniformly, by air-flow It is ground into wettable powder；It adds a certain amount of water mixing extruding and makes material.5% tetraconazole+10% is obtained after dry sieve Water dispersion granules agent of Kresoxim.
+ 7.5% kresoxim-methyl suspension emulsion of 7 12.5% tetraconazole of embodiment
Oil phase：
Tetraconazole 12.5%
Methyl oleate 10%
Ethoxylated castor oil 5%
Water phase：
Kresoxim-methyl 7.5%
The sodium salt 1% of naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Water complements to 100%
Tetraconazole is dissolved in methyl oleate, ethoxylated castor oil is added and obtains oil phase；According to formula by kresoxim-methyl, sulphur The suspending agent of kresoxim-methyl is obtained after sodium salt, the water of naphthalene sulfonic acids-formaldehyde condensation products of change is ground and/or high speed shear；It is stirring Mix down that the oil phase is added to the aqueous phase obtains suspension emulsion.
+ 2.5% kresoxim-methyl coated granule of 8 2.5% tetraconazole of embodiment
Tetraconazole 2.5%
Kresoxim-methyl 2.5%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
It in a mixer, will be on levigate Fungicidal active compound even spread to the carrier soaked by polyethylene glycol.With this side Formula can get dust-free coated granules agent.
+ 5% kresoxim-methyl granule of 9 1% tetraconazole of embodiment
Tetraconazole 1%
Kresoxim-methyl 5%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Reactive compound is mixed and ground with auxiliary agent, is soaked with water, is granulated, then dries in the air stream.
+ 8% kresoxim-methyl seed coat agent of 10 4% tetraconazole of embodiment
Tetraconazole 4%
Kresoxim-methyl 8%
Fatty alcohol polyoxyethylene ether sulfosuccinic acid monoesters disodium 5%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
PVP-K30 1%
Water complements to 100%
Seed coat agent is obtained after above-mentioned each component is mixed ground and/or high speed shear in proportion.
+ 24% kresoxim-methyl microcapsule suspension-suspendinagent agent of 11 4% tetraconazole of embodiment
Capsule core：
Kresoxim-methyl 24%
Plurafac LF1312(from BASF) 3%
Emulsogen 3510 (from Clariant) 1%
Capsule wall：
Lupranat®M20S(BASF Elastogran) 8%
DETA (BASF SE) 2%
Water phase：
Tetraconazole 4%
ATLOX ®4913 (from Croda) 5%
Synperonic PE/64 3%
Xanthans 1%
Antifoaming agent 1%
Urea 1.0%
1,2- propylene glycol 3%
Methylisothiazolinone 2%
Catalyst 0.1%
Water complements to 100%
The oil phase addition that Lupranat M20S, tetraconazole, Plurafac LF1312,3510 Emulsogen are formed is contained In the aqueous solution of DETA, ATLOX 4913, emulsion is formed.Then it heats and keeps the temperature the addition catalyst reaction 2 at 50 DEG C Hour.The microcapsules of tetraconazole is obtained after cooling.
Synperonic PE/64 (from Croda), antifoaming agent, urea, kresoxim-methyl and water mix in proportion, and Through being sanded, it is prepared into aqueous suspension agent.
Microcapsules containing tetraconazole is added in the suspending agent of kresoxim-methyl, microcapsule suspension-suspension of the present invention is obtained Agent.
+ 30% kresoxim-methyl suspension emulsion of 12 12.5% tetraconazole of embodiment
Tetraconazole 12.5%
Kresoxim-methyl 30%
SOLVESSOTM200 5%
Ethoxylated castor oil 4%
Fatty alcohol polyoxyethylene ether sulfosuccinic acid monoesters disodium 5%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Tetraconazole is dissolved in SOLVESSOTMIn 200, ethoxylated castor oil is added, obtains the oil phase of tetraconazole；
Fatty alcohol polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, kresoxim-methyl and water are mixed in proportion It closes, the suspending agent of kresoxim-methyl is obtained after ground and/or high speed shear.
Oil phase containing tetraconazole is added to the aqueous suspension agent containing kresoxim-methyl, obtains suspension emulsion.
+ 60% kresoxim-methyl of 13 40% tetraconazole of embodiment
Tetraconazole 40%
Kresoxim-methyl 60%
Proportioning in above example is weight per distribution ratio.
Biological test example
Toxicity Determination
Experiment one：The toxicity test of Fusarium graminearum
Using inhibition mycelial growth rate method：
Kresoxim-methyl and tetraconazole are used into acetone solution respectively, then series is configured to 0.1% Tween-80 aqueous solution dilution The liquid of concentration draws 6mL to the conical flask of sterilizing, 50 DEG C or so of potato grape is added respectively in superclean bench Sugared agar medium（PDA）54mL pours into the plate of 4 diameter 9cm after shaking up, the toxic culture medium of 4 respective concentrations is made； Toxic culture medium is made in the kresoxim-methyl of different ratio and tetraconazole series concentration compound solution with same method.It will culture 2 days Fusarium graminearums break into fungus block in colony edge with the card punch of diameter 5mm, move to fungus block with transfer needle and match in advance Manufactured toxic PDA culture medium center, is subsequently placed in culture in 25 DEG C of incubators, often processing is repeated 4 times.After 3 days, using cross Interior extrapolation method measures each processing colony diameter cm with slide calliper rule, finds out correction and inhibits percentage.Each bacterium colony right-angled intersection surveys two directly Diameter represents bacterium colony size with its average.Then bacterium colony growth inhibition ratio is found out as the following formula：
Then concentration EC in inhibiting is calculated with least square method50, then according to Sun Yunpei's Method calculating co-toxicity coefficient（CTC）.
Table 1：To the virulence test result of Fusarium graminearum
As known from Table 1, the combination of kresoxim-methyl and tetraconazole is in proportioning 20:1-1:It is total to Fusarium graminearum when in 20 range Malicious coefficient is all higher than 120, shows as synergistic effect；Especially 5:1-1:In the range of 5, kresoxim-methyl and tetraconazole Combination it is the most apparent to Fusarium graminearum synergistic effect.
Experiment two：The toxicity test of culmorum
Using inhibition mycelial growth rate method：
Kresoxim-methyl and tetraconazole are used into acetone solution respectively, then series is configured to 0.1% Tween-80 aqueous solution dilution The liquid of concentration draws 6mL to the conical flask of sterilizing, 50 DEG C or so of potato grape is added respectively in superclean bench Sugared agar medium（PDA）54mL pours into the plate of 4 diameter 9cm after shaking up, the toxic culture medium of 4 respective concentrations is made； Toxic culture medium is made in the kresoxim-methyl of different ratio and tetraconazole series concentration compound solution with same method.It will culture 2 days culmorums break into fungus block in colony edge with the card punch of diameter 5mm, move to fungus block with transfer needle and match in advance Manufactured toxic PDA culture medium center, is subsequently placed in culture in 25 DEG C of incubators, often processing is repeated 4 times.After 3 days, using cross Interior extrapolation method measures each processing colony diameter cm with slide calliper rule, finds out correction and inhibits percentage.Each bacterium colony right-angled intersection surveys two directly Diameter represents bacterium colony size with its average.Then bacterium colony growth inhibition ratio is found out as the following formula：
Then concentration EC in inhibiting is calculated with least square method50, then according to Sun Yunpei's Method calculating co-toxicity coefficient（CTC）.
Table 2：To the virulence test result of culmorum
As known from Table 2, the combination of kresoxim-methyl and tetraconazole is in proportioning 20:1-1:It is total to culmorum when in 20 range Malicious coefficient is all higher than 120, shows as synergistic effect；Especially 5:1-1:In the range of 5, kresoxim-methyl and tetraconazole Combination it is the most apparent to culmorum synergistic effect.
Field efficacy is tested
When the effect of reactive compound bactericidal composition is more than the summation of the effect when each reactive compound is administered alone, deposit In synergistic function.So-called " Colby formula " (ginseng can be used in the predictive role of the specific combination of two kinds of reactive compounds See S.R. Colby, " Calculating Synergistic and Antagonistic Responses of Herbicide Combinations ", Weeds 1967,15,20-22) and it calculates as follows:If
X is activity when using the reactive compound A that dosage is mg/ha or a concentration of mppm；
Y is activity when using the reactive compound B that dosage is ng/ha or a concentration of nppm, is expressed as accounting for untreated control Percentage；
E is activity when using the reactive compound A and B that dosage is m and n g/ha or a concentration of m and n ppm,
So
If the activity of actual observation（O）More than expection activity（E）, then the super adduction of the bactericidal composition, that is, there is synergy to make With.
Fusarium mycologic test（Wheat）
Solvent：The N- methyl-pyrrolidons of 10 parts of weight
Emulsifier：The alkylaryl polyglycol ether of 0.6 part of weight
In order to which suitable reactive compound is made, by the combination of a reactive compound or reactive compound by weight with it is upper The solvent and emulsifier for the amount of stating mix, and are diluted with water to required concentration.
In order to measure protection activity, the reactive compound of the winter wheat dosage is sprayed.Liquid layer to be painted is dried Afterwards, winter wheat Fusarium fungal spore water slurry is sprayed, then it is wet to be placed in about 20 DEG C of temperature, air for test plant To promote the growth of germ in the greenhouse of degree about 80%.Inoculation carries out effect assessment after 7 days, by the determining incidence of leaf area of range estimation Domain percentage is converted to the effect relative to untreated control.0% refers to that effect is suitable with control, and 100% refers to not seeing It observes and infects.Reactive compound, dosage and test result are listed in the following table：
Table 3
Test result shows that the combined administration of kresoxim-methyl and tetraconazole, the observation effect to Fusarium fungi is more than to use " The effect that Colby " formula calculate, shows apparent synergistic function.

Claims (8)

1. a kind of bactericidal composition containing kresoxim-methyl and tetraconazole is reducing or preventing Cereal by Fusarium fungi shape At the infecting of toxin in purposes.
2. purposes according to claim 1, which is characterized in that the ratio of the kresoxim-methyl and tetraconazole is 20:1-1: 20, more preferable 15:1-1:15, more preferable 10:1-1:10, more preferable 5:1-1:5.
3. purposes according to claim 1, which is characterized in that the Bactericidal composite containing kresoxim-methyl and tetraconazole Object, dosage form are wettable powder, missible oil, suspending agent, suspension emulsion, microcapsules, seed coat agent, microemulsion, aqueous emulsion, water-dispersible grain Agent, foaming agent, paste, aerosol, ultra-low volume spray liquid, granule.
4. a kind of method for reducing or preventing Cereal and being infected by the toxin that Fusarium fungi is formed, which is characterized in that with containing Have the bactericidal composition of kresoxim-methyl and tetraconazole processing pathogenic bacteria and/or its environment or plant, plant propagation material and with The plant organ, soil, material or the space that grow afterwards, stock.
5. according to the method described in claim 4, it is characterized in that, with the bactericidal composition containing azoles kresoxim-methyl and tetraconazole Processing simultaneously handles pathogenic bacteria and/or its environment or plant, the plant propagation material and plant device then grown respectively Official, soil, material or space, stock.
6. according to the method described in claim 4, it is characterized in that, with the bactericidal composition containing kresoxim-methyl and tetraconazole with Seed treatment, foliage applying, stem are applied, are impregnated with, instiling, pouring into a mould, spraying, spraying, the processing of dusting, distribution or smoke generator is caused a disease Bacterium and/or its environment or plant, plant propagation material and the plant organ then grown, soil, material or space, storage Object.
7. according to the method described in claim 4, it is characterized in that, wherein the ratio of kresoxim-methyl and tetraconazole is 20:1-1: 20, more preferable 15:1-1:15, more preferable 10:1-1:10, more preferable 5:1-1:5.
8. according to the method described in claim 4, it is characterized in that, Cereal before by Fusarium fungal infection or it Post-processing.
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Application publication date: 20180914