CN109717191A - A kind of application of the bactericidal composition containing cyflufenamid and Tebuconazole - Google Patents
A kind of application of the bactericidal composition containing cyflufenamid and Tebuconazole Download PDFInfo
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- CN109717191A CN109717191A CN201711048068.7A CN201711048068A CN109717191A CN 109717191 A CN109717191 A CN 109717191A CN 201711048068 A CN201711048068 A CN 201711048068A CN 109717191 A CN109717191 A CN 109717191A
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Abstract
The present invention relates to a kind of bactericidal compositions containing cyflufenamid and Tebuconazole to reduce or prevent Cereal by the purposes in Fusarium fungi, Puccinia fungal infection.The present invention provide the bactericidal composition containing cyflufenamid and Tebuconazole reduce or prevent Cereal by Fusarium fungi, Puccinia fungi formed toxin infect in purposes, the weight ratio of the cyflufenamid and Tebuconazole is preferably 1:1-1:15, and wherein the bactericidal composition of cyflufenamid and Tebuconazole infects that there are the uses of the ratio of cooperative synergism effect by toxin that Fusarium fungi, Puccinia fungi are formed to Cereal is reduced or prevented with the combination.
Description
Technical field
The present invention relates to a kind of applications of bactericidal composition containing cyflufenamid and Tebuconazole more particularly to one kind to contain
The bactericidal composition of cyflufenamid and Tebuconazole is reducing or preventing Cereal by Fusarium fungi, Puccinia fungal infection
In purposes.
Background technique
The stock of all cereal veriety such as wheat, barley, rye, triticale, oat, rice and corns be likely to by
The mycetogenetic mycotoxin of Fusarium fungi, Puccinia infects, wherein being most triticale vulnerable to infect, oat, general
Logical wheat, especially durum wheat.
Fusarium fungi (Fusarium) main parasitic in the soil, the degrading plant material together with other microorganisms.
Cereal causes characteristic fringe to infect by Fusarium fungal infection, wherein each fringe albefaction and can observe in some cases
To blush spore coating.In most cases, position or more is withered and only there forms empty grain infecting for fringe.Also may be used
Energy is usually to infect position or less maturation with the grain starched；However, these grain are usually infected by mycotoxin.Therefore,
Fusarium fungi may not only reduce yield, but also the Cereal harvested is also infected by mycotoxin.Grain infects possibility
Occur on fringe and it is less common be to occur during the storage of the material of harvest.
Wheat rust main species have stripe rust of wheat (Wheat Stripe Rust), wheat leaf rust (Wheat Leaf
Rust), stem rust of wheat (Wheat Stem Rust).Wheat rust has generation in countries in the world wheet-producing area.Its cause of disease difference
For bar shaped handle rest fungus (Puccinia striiformis), Puccinia recondita f. sp. tritici (Puccinia recondite), standing grain handle rust
Bacterium (Puccicinia graminis)；Pathogen belongs to Basidiomycotina Puccinia fungi (Puccicinia).
In order to reduce or prevent Cereal by Fusarium fungi, Puccinia fungal infection, currently used measure master
To be following measure:
Cultivation is not vulnerable to Fusarium fungi, the cultivar of Puccinia fungal infection；
Suitable crop rotation；
Intensive cultivation is carefully harrowed；
Prevent the condition of storage of Fusarium fungi, the development of Puccinia fungi.
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, handle
The composition that the toxin that Rust fungi is formed infects.
Summary of the invention
The purpose of the present invention is provide a kind of Bactericidal composite containing cyflufenamid and Tebuconazole in view of the above shortcomings
The application of object, for reducing or prevent Cereal by Fusarium fungi, Puccinia fungi formed toxin infect.
Surprisingly, it has been found that cyflufenamid is used in combination and Tebuconazole can reduce or prevent Cereal by Fusarium
The toxin that fungi, Puccinia fungi are formed infects.
The present invention provides a kind of bactericidal composition containing cyflufenamid and Tebuconazole and is reducing or preventing Cereal by sickle
Spore it is mould belong to fungi, Puccinia fungi formed toxin infect in purposes.
The present invention provides a kind of bactericidal composition containing cyflufenamid and Tebuconazole and is reducing or preventing Cereal by sickle
Purposes during spore is mould to belong to fungi, the toxin that Puccinia fungi is formed infects, the wherein Bactericidal composite of cyflufenamid and Tebuconazole
Object is infected by the toxin that Fusarium fungi, Puccinia fungi are formed in the presence of collaboration with the combination to Cereal is reduced or prevented
The ratio of synergistic effect uses.
The weight ratio of the cyflufenamid and Tebuconazole preferred 1:1-1:15, further preferred 1:3-1:10, more preferable 1:
5-1:10。
The present invention provide it is a kind of reduce or prevent Cereal by Fusarium fungi, Puccinia fungi formed toxin invade
The method of dye, with the bactericidal composition processing pathogenic bacteria containing cyflufenamid and Tebuconazole and/or its environment or plant, plant
Object propagation material and the plant organ then grown, soil, material or space, stock.
A method of it reducing or preventing Cereal and is infected by the toxin that Fusarium fungi, Puccinia fungi are formed,
Handle or handle respectively pathogenic bacteria and/or its environment, Huo Zhezhi simultaneously with the bactericidal composition containing cyflufenamid and Tebuconazole
Object, plant propagation material and the plant organ then grown, soil, material or space, stock.
A method of it reducing or preventing Cereal and is infected by the toxin that Fusarium fungi, Puccinia fungi are formed,
Applied with the bactericidal composition containing cyflufenamid and Tebuconazole with seed treatment, foliage applying, stem, be impregnated with, instil, being poured,
The modes such as injection, spraying, dusting, distribution or smoke handle pathogenic bacteria and/or its environment or plant, plant propagation material and
The plant organ, soil, material or the space that then grow, stock.
Fusarium fungi, important kind have culmorum (F.culmorum), Fusarium graminearum
(F.graminearum), top fusarium (F.acuminatum), oat fusarium (F.avenaceum), scouring rush's fusarium are taken off
(F.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)。
Puccinia fungi, important kind have bar shaped handle rest fungus (Puccinia striiformis), wheat concealment handle
Rest fungus (Puccinia recondite), puccinia graminis (Puccicinia graminis).
Fusarium fungi, Puccinia fungi may not only reduce yield, but also the Cereal harvested is also by fungi poison
Element infects.The infecting of grain be likely to occur on fringe and it is less common be to occur during the storage of the material of harvest.
The present invention provides a kind of bactericidal composition containing cyflufenamid and Tebuconazole and is reducing or preventing Cereal by sickle
Purposes during spore is mould to belong to fungi, the toxin that Puccinia fungi is formed infects, the wherein Bactericidal composite of cyflufenamid and Tebuconazole
Object is infected by the toxin that Fusarium fungi, Puccinia fungi are formed in the presence of collaboration with the combination to Cereal is reduced or prevented
The ratio of synergistic effect uses.The ratio of cyflufenamid and Tebuconazole is preferably 1:1-1:15, more preferable 1:3-1:10, more preferably
1:5-1:10, more preferable 1:5-1:8.
The ratio of the cyflufenamid and Tebuconazole can also be 1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:
9、1:10、1:11、1:12、1:13、1:14、1:15。
The cyflufenamid and Tebuconazole can also be administered in combination with following fungicide:
Acylalaninies class, such as M 9834 (benalaxyl), metalaxyl (metalaxyl), Wakil
(metidaxyl)；
Amine derivative, such as dodine (dodine), dodemorfe (dodemorph), butadiene morpholine
(fenpropimorph), fenpropidin (fenpropidin), Guanoctine (guazatine), biguanide spicy acid salt
(iminoctadine), spiral shell dislikes luxuriant amine (spiroxamine)；
Anilino-pyrimidine, such as pyrimethanil (pyrimethanil), mepanipyrim (mepanipyrim) or cyclopropyl
Pyrimidine (cyprodinil)；
Antibiotic, such as cycloheximide (cycloheximide), griseofulvin (griseofulvin), kasugarnycin
(kasugamycin), myprozine (natamycin), Polyoxin (polyoxin) or streptomysin (streptomycin)；
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)；
Dicarboximide class, such as iprodione (iprodione), myclozolin (myclozolin), procymidone
(procymidone), vinclozolin (vinclozolin)；
Dithiocarbamates, such as fervam (ferbam), Dithane A40 (nabam), maneb (maneb), Dai Sen
MnZn (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), more
Bacterium spirit (carbendazim), carboxin (carboxin), carboxin (oxycarboxin), cyazofamid (cyazofamid), cotton
Grand (dazomet), Delan (dithianon), it is oxazolone bacterium (famoxadone), Fenamidone (fenamidone), different phonetic
Mykol (fenarimol), furidazol (fuberidazole), flutolanil (flutolanil), furan pyrazoles clever (furametpyr),
Third oxygen mebenil (mepronil), nuarimol (nuarimol), probenazole (probenazole), the third oxygen quinoline
(proquinazid), praziquantel (pyrifenox), pyroquilon (pyroquilon), quinoxyfen (quinoxyfen), silicon thiophene bacterium
Amine (silthiofam), Apl-Luster (thiabendazole), thifluzamide (thifluzamide), thiophanate methyl
(thiophanate-methyl), tiadinil (tiadinil), tricyclazole (tricyclazole)；
Copper fungicide, such as copper calcium sulfate, copper acetate, Cupravit (copperoxychloride), basic copper sulfate；
Phenylpyrrole class, as fenpiclonil (feniclonil) or fluorine dislike bacterium (fludioxonil)；
Sulfenic acids derivative, such as difoltan (captafol), captan (captan), Euparen
(dichlofluanid), folpet (folpet), tolyfluanid (tolylfluanid)；
Cinnamamide and similar compound, as dimethomorph (dimethomorph), fluorine biphenyl bacterium (flumetover) or
Flumorph (flumorph).
Strobilurins class (strobilurins), such as nitrile Fluoxastrobin (azoxystrobin), dimoxystrobin
(dimoxystrobin), fluoxastrobin (fluoxastrobin), 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), iprovalicarb (iprovalicarb), metrafenone (metrafenone), Pencycuron
(pencycuron), hundred dimension spirit (propamocarb), Rabcide (phthalide), zoxamide (zoxamid).
Being used in combination for cyflufenamid and Tebuconazole is true by Fusarium fungi, Puccinia to Cereal is reduced or prevented
The toxin that bacterium is formed infects that there are cooperative synergism effects.Term " synergy ", which refers to, reduces or prevents cereal in a manner of super adduction
Class is infected by Fusarium fungi, Puccinia fungi.To be compared desired by the activity based on single-activity compound, ring
Being used in combination of fluorine bacterium amine and Tebuconazole more effectively significantly reduces Cereal and is formed by Fusarium fungi, Puccinia fungi
Toxin infect.
Cyflufenamid and Tebuconazole can directly, in the form of its preparaton or use form prepared therefrom is applied.Often
Advising preparaton is, for example, wettable powder, missible oil, suspending agent, suspoemulsion, microcapsules, seed coat agent, microemulsion, aqueous emulsion, moisture
Shot agent, foaming agent, paste, aerosol, ultra-low volume spray liquid, granule.Under every kind of 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 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, colorant, stabilizer, pigment, defoaming agent, preservative,
Thickener etc..
According to the present invention, term " filler ", which refers to, can be combined or be combined with reactive compound to make it easier for being administered to
The natural or synthetic organic or inorganic compound of object (such as plant, crop or careless class).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 usual are as follows: 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, mineral and vegetable oil, animal oil etc..
Solid-filling agent is usual are as follows: 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 of synthetic resin etc., clay class (such as kaolin, bentonite, acid china clay etc.),
Talcum powder class.Silica (such as diatomite, silica sand, mica, aqueous silicic acid, calcium silicates), active carbon, natural mineral matter class are (floating
Stone, attapulgite and zeolite etc.), fire diatomite, sand, (such as polyethylene, polypropylene, the polyvinylidene chloride such as plastics medium
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 effective component compound, dispersion, solubilized and/or wetting that surfactant example can be used
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 itself and such as (polynary) alcohol or (polynary) amine
Combination.
Also can be used in preparaton tackifier such as carboxymethyl cellulose and powder, particle or latex form natural and
Synthetic polymer, such as gum arabic, polyvinyl alcohol and polyvinyl acetate or natural phospholipid, such as cephalin and lecithin
Rouge 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 disintegrating agent that may be used is selected from: bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate
One of or it is a variety of.
The stabilizer that may be used is selected from: one of sodium citrate, resorcinol.
The antifreezing agent that may be used is selected from: one of ethylene glycol, propylene glycol, glycerine, urea are a variety of.
The defoaming agent is selected from: silicone oil, silicone compound, C10-20 saturated fat acid compounds, C8-10 fat
One of alcohol compound is a variety of.
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 other medicaments with weeding, desinsection or bactericidal property, 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 cyflufenamid and Tebuconazole are applied in combination with other fungicides, preferably by they and 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 be provided with unit dose form, 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 provide it is a kind of reduce or prevent Cereal by Fusarium fungi, Puccinia fungi formed toxin invade
The method of dye, with the bactericidal composition processing pathogenic bacteria containing cyflufenamid and Tebuconazole and/or its environment or plant, plant
Object propagation material and the plant organ then grown, soil, material or space, stock.
A method of it reducing or preventing Cereal and is infected by the toxin that Fusarium fungi, Puccinia fungi are formed,
Handle or handle respectively pathogenic bacteria and/or its environment, Huo Zhezhi simultaneously with the bactericidal composition containing cyflufenamid and Tebuconazole
Object, plant propagation material and the plant organ then grown, soil, material or space, stock.
A method of it reducing or preventing Cereal and is infected by the toxin that Fusarium fungi, Puccinia fungi are formed,
Applied with the bactericidal composition containing cyflufenamid and Tebuconazole with seed treatment, foliage applying, stem, be impregnated with, instil, being poured,
The modes such as injection, spraying, dusting, distribution or smoke handle pathogenic bacteria and/or its environment or plant, plant propagation material and
The plant organ, soil, material or the space that then grow, stock.
A method of it reducing or preventing Cereal and is infected by the toxin that Fusarium fungi, Puccinia fungi are formed,
By the bactericidal composition containing cyflufenamid and Tebuconazole and plant, plant propagation material and then the plant organ that grows connects
Touching.
Cyflufenamid of the invention combines/combined administration with Tebuconazole.Including separating, sequentially or simultaneously applying cyflufenamid
With Tebuconazole.Preferably, the cyflufenamid and Tebuconazole group are combined into the preparation of the composition comprising cyflufenamid and Tebuconazole
Dosage form formula.Administration time, application times and the rate of application used in each case must be adapted with condition prevailing and must
Each independent situation must be determined by those skilled in the art.Cyflufenamid and Tebuconazole of the invention is being used separately
In the case where, 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.
Bactericidal composition containing cyflufenamid and Tebuconazole of the 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.
Bactericidal composition of the invention can handle all plants.Term " plant " refers to all plants and plant population, example
If ideal and undesirable wild plant, cultivated plant and plant variety are (regardless of whether by plant variety or plant cultivation people
The protection of right).Cultivated plant and plant variety can be the plant obtained by Sterile culture and breeding method, these methods
It can be aided with or be supplemented with one or more biological technique methods, such as use dihaploid, protoplast fusion, random and orientation
Mutation, molecule or genetic marker, or use bioengineering and genetic engineering method.Plant part refer to plant all grounds and
Under ground portion and organ, such as bud, leaf, Hua Hegen, for example, leaf, needle, stem, branch, flower, fructification, fruit and seed and
Root, bulb and rhizome.It crop and nourishes and generates and case of propagation material, such as transplants, bulb, rhizome, running roots and seed
Also belong to 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
Propagation material.It is mentioned that such as seed, root, fruit, stem tuber, bulb, rhizome and plant part.To germinate from soil
The germination plant and effective plant inhibited afterwards or after emergence.Young plant can be carried out by dipping all or local before transplantation
Processing is 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 of the invention containing cyflufenamid and Tebuconazole also in particular to by being handled
Seed is infected with reducing or preventing the toxin that seed and germinating plants are formed from Fusarium fungi, Puccinia fungi.It should
Method make after planting or after plant germination without additional application crop protection agents or the additional application crop guarantor at least significant ground
Protect agent.On the other hand, optimize the amount of used reactive compound, using bactericidal composition of the present invention with utmostly
Ground provides invasion of the protection against plant pathogenic fungi of seed and germinating plants, and plant itself not will receive and be used
The damage of reactive compound.
Reactive compound cyflufenamid and Tebuconazole in bactericidal composition containing cyflufenamid and Tebuconazole of the invention
Individually or in the form of suitable preparaton it is applied to seed.It is preferably handled in the state of substantially stabilized so that handling not
It can cause any damage to seed.In general, can any point-in-time between picking and sowing carry out processing seed.Usual institute
The seed used is separated 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 lower than 15%.Alternatively, it is also possible to for example at water after using drying
Reason, the seed then dried once more.
The medicament of the method for seed treatment, such as can there are, diluent liquid or solid-like does not have to dilution directly general
Seed is immersed in liquid condition solution the method for making medicament be impregnated with seed, 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.
Bactericidal composition containing cyflufenamid and Tebuconazole of the invention can be used for processing soil to reduce or prevent
Only Cereal is infected by the toxin that Fusarium fungi, Puccinia fungi are formed.The method that medicament is applied into soil, such as
Liquid preparation is diluted in water or is not diluted and the methods of is directly applied in the root of plant or the rice seedling bed of seedling, will
The method that granula is disseminated in the root of plant or the rice seedling bed of seedling, which has, prior to seeding sprays pulvis, water dispersible granules etc.
The method integrally mixed in soil and with soil will spray before sowing or before serike body after pulvis, water-dispersible grain dilution agent
It spills in implantation hole, seed furrow, is carrying out method of sowing etc..
Bactericidal composition containing cyflufenamid and Tebuconazole of the invention can be used for handling plant or plant shoot
It point is infected with reducing or preventing Cereal by the toxin that Fusarium fungi, Puccinia fungi are formed.To plant or plant
When object aerial part is applied, cyflufenamid and Tebuconazole are used in the form of aqueous spray liquid.Application preferably by carrying out by spraying.It will
Jet sprays in plant entire upper portion or only sparge each plant part.Each plant part of spray liquid to be administered
Selection depend on plant variety and its stage of development.
Bactericidal composition containing cyflufenamid and Tebuconazole of the invention can be used for processing stock to reduce or
Prevent Cereal from being infected by the toxin that Fusarium fungi, Puccinia fungi are 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.It is also possible to 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
It can prevent the invasion of the fungi or bacterium of storage period such as burn into from fading or mouldy according to composition of the 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, is also represented by corncob such as grain or in the case where corn.Particularly preferred Cereal
Selected from wheat, such as durum wheat or common wheat.
The present invention contains cyflufenamid and the bactericidal composition of Tebuconazole can be handled by different processing methods:
Liquid comprising the bactericidal composition is sprayed onto the aerial part of the plant；
Dusting mixes particle or powder in the soil, sprays in the surrounding plants, and in tree injection or smearing
In the case of；
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 10-1000g/ha, more preferable 20-500g/ha；It is more excellent
Select 20-300g/ha, more preferable 20-100g/ha；For the application that impregnates or instil, the dosage can also even be reduced,
Especially when applying inert base such as asbestos or pearl rock；
For seed treatment: 2-5000g/100kg seed, preferably 3-1000g/100kg seed；
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 plant to be processed or crop.
Compared with prior art, the present invention at least has the advantages that
The present invention provides a kind of bactericidal compositions containing cyflufenamid and Tebuconazole to reduce or prevent Cereal quilt
The purposes in the infecting of toxin that Fusarium fungi, Puccinia fungi are formed, the wherein sterilization of cyflufenamid and Tebuconazole
Composition to reduce or prevent Cereal by Fusarium fungi, Puccinia fungi formed toxin infect in the presence of collaboration increase
Imitate effect.
Specific embodiment
Of the invention for ease of understanding, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is only to aid in the understanding present invention, should not be regarded as a specific limitation of the invention.
Example of formulations:
+ 20% cyflufenamid wettable powder of 1 20% Tebuconazole of embodiment
Reactive compound, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating,
Obtain the wettable powder of+20% cyflufenamid of 20% Tebuconazole.
+ 3% cyflufenamid suspending agent of 2 18% Tebuconazole of embodiment
The each components such as active component, dispersing agent, wetting agent and water are uniformly mixed according to the ratio of formula, it is ground and/
Or high speed shear, partial size is controlled at 2 μm hereinafter, obtaining the suspending agent of+3% cyflufenamid of 18% Tebuconazole.
+ 1.5% cyflufenamid suspending agent of 3 9.5% Tebuconazole of embodiment
The each components such as active component, dispersing agent, wetting agent and water are uniformly mixed according to the ratio of formula, it is ground and/
Or high speed shear, obtain the suspending agent of+1.5% cyflufenamid of 9.5% Tebuconazole.
+ 5% cyflufenamid missible oil of 4 25% Tebuconazole of embodiment
Mentioned component is proportionally prepared, uniform phase is uniformly mixing to obtain, obtains+5% ring fluorine bacterium of 25% Tebuconazole
The missible oil of amine.
+ 5% cyflufenamid aqueous emulsion of 5 25% Tebuconazole of embodiment
Mentioned component is proportionally prepared, uniform phase is uniformly mixing to obtain, obtains+5% ring fluorine bacterium of 25% Tebuconazole
The aqueous emulsion of amine.
+ 5% cyflufenamid wettable powder of 6 30% Tebuconazole of embodiment
Said components are mixed in proportion, and grinds, crush, are prepared into the wettable of+5% cyflufenamid of 30% Tebuconazole
Pulvis.
+ 5% cyflufenamid water dispersible granules of 7 20% Tebuconazole of embodiment
Tebuconazole, cyflufenamid, dispersing agent, wetting agent, disintegrating agent and filler are mixed according to the formula uniformly, passed through
Air-flow crushing is at wettable powder；Add the mixing of a certain amount of water and squeeze and make material, obtained after dry sieve 20% Tebuconazole+
The water dispersible granules of 5% cyflufenamid.
+ 2.5% cyflufenamid suspoemulsion of 8 12.5% Tebuconazole of embodiment
Oily phase:
Tebuconazole is dissolved in methyl oleate, ethoxylated castor oil is added and obtains oily phase；According to formula by ring fluorine bacterium
Amine, sulfonation obtain the suspension of cyflufenamid after naphthalene sulfonic acids-formaldehyde condensation products sodium salt, water is ground and/or high speed shear
Agent；The oil phase is added to the aqueous phase under stiring obtains the suspoemulsion of+2.5% cyflufenamid of 12.5% Tebuconazole.
+ 2.5% cyflufenamid coated granule of 9 2.5% Tebuconazole of embodiment
In a mixer, by levigate Fungicidal active compound even spread to the carrier soaked by polyethylene glycol, with
This mode can get the dust-free coated granules agent of+2.5% cyflufenamid of 2.5% Tebuconazole.
+ 1% cyflufenamid granule of 10 10% Tebuconazole of embodiment
Reactive compound is mixed and ground with auxiliary agent, is soaked with water, is granulated, is then dried, obtain in the air stream
The granule of+1% cyflufenamid of 10% Tebuconazole.
+ 1.5% cyflufenamid seed coat agent of 11 9.5% Tebuconazole of embodiment
+ 1.5% ring fluorine of 9.5% Tebuconazole is obtained after above-mentioned each component is mixed ground and/or high speed shear in proportion
The seed coat agent of bacterium amine.
+ 14% cyflufenamid of 12 86% Tebuconazole of embodiment
Tebuconazole 86%
Cyflufenamid 14%
Tebuconazole and cyflufenamid are proportionally uniformly mixed.
+ 10% cyflufenamid of 13 90% Tebuconazole of embodiment
Tebuconazole 90%
Cyflufenamid 10%
Tebuconazole and cyflufenamid are proportionally uniformly mixed.
Proportion in above embodiments is weight per distribution ratio.
Indoor toxicity test:
The toxicity index of each medicament and the co-toxicity coefficient (CTC value) of mixture are calculated according to Sun Yunpei's Method, when CTC≤80, then
Composition shows antagonism, and when 80<CTC<120, then composition shows summation action, when CTC>=120, then composition
Show synergistic effect.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) * 100
Percentage composition+B medicament toxicity index * the mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
The percentage composition of middle B
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI) * 100
Test one: the toxicity test of Fusarium graminearum
Using inhibition mycelial growth rate method:
Cyflufenamid and Tebuconazole are used into acetone solution respectively, then with 0.1% the dilution of Tween-80 aqueous solution be configured to be
The medical fluid of column concentration draws 6mL to the conical flask of sterilizing respectively in superclean bench, 50 DEG C or so of potato Portugal is added
Grape sugar agar medium (PDA) 54mL, pours into the plate of 4 diameter 9cm after shaking up, the toxic culture of 4 respective concentrations is made
Base；Toxic culture medium is made in the cyflufenamid of different ratio and Tebuconazole series of concentrations compound solution with same method.It will
2 days Fusarium graminearums of culture, break into fungus block in colony edge with the punch of diameter 5mm, are moved to fungus block with transfer needle pre-
The toxic PDA culture medium center being first configured to is subsequently placed in culture, every processing in 25 DEG C of incubators and is repeated 4 times.After 3 days, use
Crossing 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
A diameter represents bacterium colony size with its average.Then bacterium colony growth inhibition ratio is found out as the following formula:
Then concentration EC50 in inhibiting is calculated with least square method, then calculates co-toxicity coefficient (CTC) according to Sun Yunpei's Method.
Table 1 is the virulence test result of bactericidal composition of the invention to Fusarium graminearum.
Table 1
As known from Table 1, when the combination of cyflufenamid and Tebuconazole is in the range of weight ratio is 1:1-1:10, to cereal sickle
The co-toxicity coefficient of spore bacterium is all larger than 120, shows as synergistic effect.
Test two: the toxicity test of culmorum
Using inhibition mycelial growth rate method:
Cyflufenamid and Tebuconazole are used into acetone solution respectively, then with 0.1% the dilution of Tween-80 aqueous solution be configured to be
The medical fluid of column concentration draws 6mL to the conical flask of sterilizing respectively in superclean bench, 50 DEG C or so of potato Portugal is added
Grape sugar agar medium (PDA) 54mL, pours into the plate of 4 diameter 9cm after shaking up, the toxic culture of 4 respective concentrations is made
Base；Toxic culture medium is made in the cyflufenamid of different ratio and Tebuconazole series of concentrations compound solution with same method.It will
2 days culmorums of culture, break into fungus block in colony edge with the punch of diameter 5mm, are moved to fungus block with transfer needle pre-
The toxic PDA culture medium center being first configured to is subsequently placed in culture, every processing in 25 DEG C of incubators and is repeated 4 times.After 3 days, use
Crossing 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
A diameter represents bacterium colony size with its average.Then bacterium colony growth inhibition ratio is found out as the following formula:
Then concentration EC50 in inhibiting is calculated with least square method, then calculates co-toxicity coefficient (CTC) according to Sun Yunpei's Method.
Table 2 is the virulence test result of bactericidal composition of the invention to culmorum.
Table 2
As known from Table 2, when the combination of cyflufenamid and Tebuconazole is in the range of weight ratio is 5:1-1:15, to machete sickle
The co-toxicity coefficient of spore bacterium is all larger than 120, shows as synergistic effect.
Test three: the toxicity test of Fusarium moniliforme
Using inhibition mycelial growth rate method:
Cyflufenamid and Tebuconazole are used into acetone solution respectively, then with 0.1% the dilution of Tween-80 aqueous solution be configured to be
The medical fluid of column concentration draws 6mL to the conical flask of sterilizing respectively in superclean bench, 50 DEG C or so of potato Portugal is added
Grape sugar agar medium (PDA) 54mL, pours into the plate of 4 diameter 9cm after shaking up, the toxic culture of 4 respective concentrations is made
Base；Toxic culture medium is made in the cyflufenamid of different ratio and Tebuconazole series of concentrations compound solution with same method.It will
2 days Fusarium moniliformes of culture, break into fungus block in colony edge with the punch of diameter 5mm, are moved to fungus block with transfer needle pre-
The toxic PDA culture medium center being first configured to is subsequently placed in culture, every processing in 25 DEG C of incubators and is repeated 4 times.After 3 days, use
Crossing 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
A diameter represents bacterium colony size with its average.Then bacterium colony growth inhibition ratio is found out as the following formula:
Then concentration EC50 in inhibiting is calculated with least square method, then calculates co-toxicity coefficient (CTC) according to Sun Yunpei's Method.
Table 3 is the virulence test result of bactericidal composition of the invention to Fusarium moniliforme.
Table 3
As known from Table 3, when the combination of cyflufenamid and Tebuconazole is in the range of weight ratio is 1:1-1:12, to beading sickle
The co-toxicity coefficient of spore bacterium is all larger than 120, shows as synergistic effect.
Test four: the toxicity test of Puccinia recondita f. sp. tritici
Using inhibition mycelial growth rate method:
Cyflufenamid and Tebuconazole are used into acetone solution respectively, then with 0.1% the dilution of Tween-80 aqueous solution be configured to be
The medical fluid of column concentration draws 6mL to the conical flask of sterilizing respectively in superclean bench, 50 DEG C or so of potato Portugal is added
Grape sugar agar medium (PDA) 54mL, pours into the plate of 4 diameter 9cm after shaking up, the toxic culture of 4 respective concentrations is made
Base；Toxic culture medium is made in the cyflufenamid of different ratio and Tebuconazole series of concentrations compound solution with same method.It will
The Puccinia recondita f. sp. tritici of culture 2 days, breaks into fungus block in colony edge with the punch of diameter 5mm, is moved fungus block with transfer needle
To the toxic PDA culture medium center being configured in advance, it is subsequently placed in culture, every processing in 25 DEG C of incubators and is repeated 4 times.After 3 days,
Each processing colony diameter cm is measured using crossing method slide calliper rule, correction is found out and inhibits percentage.Each bacterium colony right-angled intersection
Two diameters are surveyed, bacterium colony size is represented with its average.Then bacterium colony growth inhibition ratio is found out as the following formula:
Then concentration EC50 in inhibiting is calculated with least square method, then calculates co-toxicity coefficient (CTC) according to Sun Yunpei's Method.
Table 4 is the virulence test result of bactericidal composition of the invention to Puccinia recondita f. sp. tritici.
Table 4
As known from Table 4, it is hidden to wheat when the combination of cyflufenamid and Tebuconazole is in the range of weight ratio is 1:1-1:10
The co-toxicity coefficient of handle rest fungus hidden is all larger than 120, shows as synergistic effect.
Test five: the toxicity test of wheat bar shaped handle rest fungus
Using inhibition mycelial growth rate method:
Cyflufenamid and Tebuconazole are used into acetone solution respectively, then with 0.1% the dilution of Tween-80 aqueous solution be configured to be
The medical fluid of column concentration draws 6mL to the conical flask of sterilizing respectively in superclean bench, 50 DEG C or so of potato Portugal is added
Grape sugar agar medium (PDA) 54mL, pours into the plate of 4 diameter 9cm after shaking up, the toxic culture of 4 respective concentrations is made
Base；Toxic culture medium is made in the cyflufenamid of different ratio and Tebuconazole series of concentrations compound solution with same method.It will
The wheat bar shaped handle rest fungus of culture 2 days, breaks into fungus block in colony edge with the punch of diameter 5mm, is moved fungus block with transfer needle
To the toxic PDA culture medium center being configured in advance, it is subsequently placed in culture, every processing in 25 DEG C of incubators and is repeated 4 times.After 3 days,
Each processing colony diameter cm is measured using crossing method slide calliper rule, correction is found out and inhibits percentage.Each bacterium colony right-angled intersection
Two diameters are surveyed, bacterium colony size is represented with its average.Then bacterium colony growth inhibition ratio is found out as the following formula:
Then concentration EC50 in inhibiting is calculated with least square method, then calculates co-toxicity coefficient (CTC) according to Sun Yunpei's Method.
Table 5 is the virulence test result of bactericidal composition of the invention to wheat bar shaped handle rest fungus.
Table 5
As known from Table 5, when the combination of cyflufenamid and Tebuconazole is in the range of weight ratio is 1:1-1:10, to wheat item
The co-toxicity coefficient of shape handle rest fungus is all larger than 120, shows as synergistic effect.
Test six: the toxicity test of puccinia graminis
Using inhibition mycelial growth rate method:
Cyflufenamid and Tebuconazole are used into acetone solution respectively, then with 0.1% the dilution of Tween-80 aqueous solution be configured to be
The medical fluid of column concentration draws 6mL to the conical flask of sterilizing respectively in superclean bench, 50 DEG C or so of potato Portugal is added
Grape sugar agar medium (PDA) 54mL, pours into the plate of 4 diameter 9cm after shaking up, the toxic culture of 4 respective concentrations is made
Base；Toxic culture medium is made in the cyflufenamid of different ratio and Tebuconazole series of concentrations compound solution with same method.It will
The wheat puccinia graminis of culture 2 days, breaks into fungus block in colony edge with the punch of diameter 5mm, is moved to fungus block with transfer needle
The toxic PDA culture medium center being configured in advance is subsequently placed in culture, every processing in 25 DEG C of incubators and is repeated 4 times.After 3 days, adopt
Each processing colony diameter cm is measured with crossing method slide calliper rule, correction is found out and inhibits percentage.Each bacterium colony right-angled intersection is surveyed
Two diameters represent bacterium colony size with its average.Then bacterium colony growth inhibition ratio is found out as the following formula:
Then concentration EC50 in inhibiting is calculated with least square method, then calculates co-toxicity coefficient (CTC) according to Sun Yunpei's Method.
Table 6 is the virulence test result of bactericidal composition of the invention to wheat puccinia graminis.
Table 6
As known from Table 6, when the combination of cyflufenamid and Tebuconazole is in the range of weight ratio is 1:1-1:12, to wheat standing grain
The co-toxicity coefficient of handle rest fungus is all larger than 120, shows as synergistic effect.
Claims (8)
1. a kind of bactericidal composition containing cyflufenamid and Tebuconazole is reducing or preventing Cereal by Fusarium fungi, handle
Rust fungi formed toxin infect in purposes.
2. purposes according to claim 1, which is characterized in that the weight ratio of the cyflufenamid and Tebuconazole is 1:1-1:
15, preferably 1:3-1:10, more preferable 1:5-1:10.
3. purposes according to claim 1, which is characterized in that the Bactericidal composite containing cyflufenamid and Tebuconazole
Object, dosage form are wettable powder, missible oil, suspending agent, suspoemulsion, microcapsules, seed coat agent, microemulsion, aqueous emulsion, water-dispersible grain
Agent, foaming agent, paste, aerosol, ultra-low volume spray liquid or granule.
4. a kind of method for reducing or preventing Cereal and being infected by the toxin that Fusarium fungi, Puccinia fungi are formed,
It is characterized in that, with the bactericidal composition processing pathogenic bacteria containing cyflufenamid and Tebuconazole and/or its environment or plant, plant
Object propagation material and the plant organ then grown, soil, material or space, stock.
5. according to the method described in claim 4, it is characterized in that, with the bactericidal composition containing azoles cyflufenamid and Tebuconazole
Processing simultaneously handles pathogenic bacteria and/or its environment or plant, plant propagation material and the 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 cyflufenamid and Tebuconazole with
Seed treatment, foliage applying, stem apply, be impregnated with, instiling, being poured, spraying, being sprayed, dusting, distribution or smoke mode handle cause
Germ and/or its environment or plant, plant propagation material and the plant organ then grown, soil, material or space, storage
Storage.
7. according to the method described in claim 4, it is characterized in that, the weight ratio of the cyflufenamid and Tebuconazole is 1:1-1:
10, preferably 1:3-1:10, more preferable 1:5-1:10.
8. according to the method described in claim 4, it is characterized in that, in Cereal true by Fusarium fungi, Puccinia
Bacterium is handled before or after infecting.
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