CN106665596A - Bactericide composition - Google Patents
Bactericide composition Download PDFInfo
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- CN106665596A CN106665596A CN201611173088.2A CN201611173088A CN106665596A CN 106665596 A CN106665596 A CN 106665596A CN 201611173088 A CN201611173088 A CN 201611173088A CN 106665596 A CN106665596 A CN 106665596A
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- Prior art keywords
- flutianil
- agent
- tebuconazole
- propiconazole
- powdery mildew
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a bactericide composition. The composition comprises the following active components A and B, A is flutianil and B is any one selected from tebuconazole, difenoconazole and propiconazole, wherein the mass ratio of A to B is 1:50-50:1. The composition has obvious synergism as well as high prevention and control effects, is suitable for controlling a plurality of diseases of cereals, fruits and vegetables, and is especially suitable for controlling powdery mildew.
Description
Technical field
The present invention relates to a kind of bactericidal composition, more particularly to a kind of bactericidal composition containing flutianil and its anti-
The application of corps diseases is controlled, belongs to technical field of pesticide.
Background technology
Powdery mildew is the plant disease caused by the Erysiphaceae (Erysiphacesae) in funguses.For example：By standing grain white lead
The Cereal powdery mildew that bacterium (Erysiphe graminis) causes；By Herba Xanthii monofilament shell (Sphaerotheca fuliginea)
The powdery mildew of the various plants such as the melon, beans that causes, crudefiber crop；The grass caused by Fructus Fragariae Ananssae snag shell (Uncinula necator)
Certain kind of berries powdery mildew；The Mulberry that caused by hazel ball pin shell (Phyllactinia corylea), pears, Fructus Kaki, Semen Juglandiss, chestnut, Fructus Litchi, Fructus Caricae etc.
The powdery mildew of more than 80 kinds of trees；The powdery mildew of the Flowers of Rosa caused by Flos Rosae Multiflorae monofilament shell (Sphaerotheca pannosa)
Deng.
In the preventing and treating of powdery mildew, benzimidazole, triazole bactericidal agent are relied primarily at present.These medicaments are because long-term
Using different degrees of Drug resistance is generated, prevention effect is reduced.
Flutianil be thiazolidines antibacterial, molecular formula：C19H14F4N20S2, molecular weight 426.5.The medicament is by suppression
The mycelial growth of pathogen processed and take effect.Flutianil is in extremely low concentration (10mg/L) to diseases such as the powdery mildews of gourd, fruit and vegetable
The tall and erect effect of evil tool.
Used as a kind of new type bactericide, current production and use cost are higher, and individually make for a long time for flutianil
With also there is very big resistance risk.
The content of the invention
It is an object of the invention to provide a kind of potentiation is substantially, low cost good to powdery mildew prevention effect, resistance risk
Low bactericidal composition.
It is a further object of the present invention to provide the application of the bactericidal composition.
Inventor passes through substantial amounts of indoor biometricses and field control effectiveness test, has been surprisingly found that flutianil and Tebuconazole or benzene
Ether methyl cyclic-azole or propiconazole after mixture, have significant potentiation to diseases such as Powdery Mildews in certain proportion.
The Tebuconazole (tebuconazole), molecular formula C16H22ClN3O, molecular weight 307.8.Tebuconazole is a kind of high
Effect, wide spectrum, absorbability triazole type sterilization pesticide, with protecting, treating, rooting out three zones, wide sterilization spectrum, lasting period are long.Penta
Azoles alcohol can suppress the biosynthesiss of the ergosterol of funguses, effectively can prevent and treat various rust of cereal crop, powdery mildew,
Net blotch, root rot, head blight, smut and kind pass zonate spot and banded sclerotial blight etc..
The Difenoconazole (difenoconazole), molecular formula C19H17Cl2N3O3, molecular weight 406.3.Phenyl ether methyl cyclic
Azoles is that safety is higher in triazole bactericidal agent, is widely used in the crops such as fruit tree, vegetable, effectively prevents and treats scab, black
Pox, white rot, spot defoliation, powdery mildew, brown spot, rust, stripe rust, head blight etc..
The propiconazole (propiconazole), molecular formula C15H17Cl2N3O2, molecular weight 342.2.Propiconazole is a kind of
Absorbability triazole bactericidal agent with protection and therapeutical effect, can be absorbed by root, stem, leaf portion, and can soon in plant body
Inside conduct upwards, prevent and treat ascomycetess, the disease that basidiomycetes and Fungi Imperfecti cause, particularly to take-all, powdery mildew, rust
Disease, root rot, bakanae disease of rice, sigatoka have preferable prevention effect.
Tebuconazole, Difenoconazole, propiconazole are triazole bactericidal agents well known in the art, can be by various business canals
Road is obtained.
To overcome the deficiencies in the prior art, such solution is the technical scheme is that：A kind of bactericidal composition, contains
Effective constituents A and B, A are flutianil, and B is any one in Tebuconazole, Difenoconazole and propiconazole, A and B's
Mass ratio is 1 ︰, 50~50 ︰ 1, and preferred mass ratio is 1:30~30:1, more preferably mass ratio is 1:10~10:1.
Said composition can be processed into any dosage form for agriculturally allowing, and preferable dosage form has cream, microemulsion, water and milk
Agent, suspending agent, suspension emulsion, wettable powder or water dispersible granules.
In the bactericidal composition of the present invention, the mass accumulation percentage composition of effective ingredient is 5%~85%, and remaining is auxiliary agent
With filler or diluent.
The dosage form of above-mentioned bactericidal composition also contributes to drug effect performance with other including auxiliary agent in addition to including effective ingredient
Material.Cream includes organic solvent, cosolvent and emulsifying agent；Microemulsion includes organic solvent, emulsifying agent and water；Aqueous emulsion bag
Include organic solvent, dispersant, emulsifying agent and water；Suspending agent includes water, dispersant, thickening agent, antifreezing agent and wetting agent；Wettability
Powder includes wetting agent, dispersant and filler；Water dispersible granules include dispersant, disintegrating agent, filler and wetting agent.Below all it is
Commonly use in pesticidal preparations or allow the various composition for using, be not particularly limited, concrete composition and consumption are logical according to recipe requirements
Cross simple experiment determination.For example：
Organic solvent may be selected isopropanol, dimethylbenzene, N,N-dimethylformamide, ring ethyl ketone, toluene, dimethyl sulfoxide,
Methanol, ethanol, trimethyl cyclic ethylene ketone, NOP, N-Methyl pyrrolidone, propanol, butanol, ethylene glycol, diethyl
One or more in glycol, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, vegetable oil.
Cosolvent may be selected the one kind or many in N-Methyl pyrrolidone, dimethylformamide, ethanol, the third ethanol, acetone
Kind.
Dispersant may be selected sodium lignin sulfonate, calcium lignosulfonate, pull open powder, calcium dodecyl benzene sulfonate, polycarboxylic acids
Salt, alkyl benzene sulfonate calcium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, glycerin fatty
One or more in acid ester polyoxyethylene ether.
Emulsifying agent may be selected agricultural emulsifier NO.600 (phenyl phenol polyoxyethyl ether), agriculture breast 1601, and (phenethyl phenol polyoxyethanyl gathers
Propenyl ether), agriculture breast 500 (alkyl benzene calcium sulfonate), OP series phosphate ester (thermally coupled distillation columns), No. 600
Phosphate ester (phenyl phenol polyoxyethanyl ether phosphate), styrene Polyethylene oxide rice ammonium sulfate, alkyl biphenyl ether disulfonic acid magnesium salt,
Triethanolamine salt, agriculture breast 400 (benzyl xylenol polyoxyethyl ether), Nongru-700 number (alkyl phenolic resin polyoxyethyl ether),
Agriculture breast 36 (phenethyl phenol formaldehyde resin polyoxyethyl ether), agriculture breast 1600 (phenethyl phenol polyoxyethanyl polypropylene-base ether),
Ethylene oxide-propylene oxide block copolymer, OP series (NPE), No. 33 (alkylaryl polyoxies third of agriculture breast
Alkene polyoxyethylene ether), agriculture breast 34 (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate
Ester), TWEEN Series (sorbitan fatty acid ester polyoxyethylene ether), AEO series (fat alcohol polyoxyethylenated alcohol) in one kind
Or it is various.
Antifreezing agent may be selected one or more in glycerol, carbamide, ethylene glycol, Propylene Glycol.
Wetting agent may be selected methyl naphthalene sulfonate formaldehyde condensate, sodium lauryl sulphate, Negel, alkylbenzene
One or more in sulfoacid calcium, tea seed cake, spaonin powder, Bombyx mori L., spaonin powder, Laurel alcohol radical sodium sulfate, detergent, pull open powder.
Disintegrating agent may be selected the one kind in ammonium sulfate, carbamide, bentonite, aluminum chloride, citric acid, succinic acid, sodium bicarbonate
Or it is various.
Thickening agent may be selected the one kind in xanthan gum, hydroxymethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol
Or it is various.
Filler may be selected White Carbon black, ridge soil, precipitated calcium carbonate, Talcum, montmorillonite or convex-concave rod stone, Pumex, brickbat, Hai Pao
One or more in stone or bentonite and non-adsorbent calcium soil or sand.
Product described in the invention can be provided with finished product preparation form, i.e., in compositionss, each material is blended, combination
The composition of thing can also be provided with unit dose form, be directly mixed in proportion in bucket or tank using front, needed for being then diluted to
Concentration.
The bactericidal composition of the present invention is particularly suited for preventing and treating powdery mildew.The compositionss of the present invention can be by common method
Apply, such as cast, injection, spraying, dusting, distribution or smoke, its amount of application changes with weather condition or crop condition.
Compared with prior art, its advantage is the present invention：1st, substantially, preventive effect is notable compared with single dose for compositionss potentiation
Improve；2nd, after drug effect is improved, the effective ingredient consumption in field declines, and reduces production and use cost, reduces pesticide residues
And environmental pollution；3rd, compositionss are made up of the effective ingredient of different mechanism of action, and action site increases, and is conducive to overcoming and delays
The drug-fast generation of pathogenic bacteria.
Specific embodiment
The present composition has obvious synergistic function, and not exclusively two kinds pharmacy effects to Powdery Mildew etc.
Simple addition, this can from following Toxicity Determination test result in be clear that.
Bioassay example 1：Compositionss are tested to the Toxicity Determination of wheat powdery mildew
Subjects are wheat powdery mildew (Erysiphe graminis)
Test method：Reference《People's Republic of China (PRC) agricultural industry criteria NY/T 1156.11-2008》.Choose growth potential
Consistent potted plant one heart stage of two leaves Caulis et Folium Tritici aestivi, is sprayed under 50PSI pressure with Potter spray towers, per basin 5mL.Each medicament sets
Put 5 Concentraton gradient.Inoculum density is carried out after 24h for 3 × 105The wheat powdery mildew conidial suspension of individual spore/mL.
To spray the Caulis et Folium Tritici aestivi of equivalent clear water as blank.Caulis et Folium Tritici aestivi is put in greenhouse after inoculation and is cultivated.After 10d, according to Semen Tritici aestivi
The morbidity grade scale investigation disease index of powdery mildew, and calculate prevention effect.
Wheat powdery mildew severity Scaling standard：
0 grade：Blade disease-free spot；
1 grade：Lesion area accounts for the area of whole blade below 5%；
3 grades：Lesion area accounts for the 6%~10% of the area of whole blade；
5 grades：Lesion area accounts for the 11%~25% of whole blade area；
7 grades：Lesion area accounts for the 26%~50% of whole blade area；
9 grades：Lesion area accounts for more than the 50% of whole blade area.
The expected effect (i.e. theoretical prevention effect, %) of mixture of active principles determined using Colby formula and with observation
To effect compare：
Colby formula：E=X+Y-X*Y/100
E：When in compositionss, active components A concentration is a, compositions contemplated effect when active component B concentrations are b
Power.
X：Effect when active components A using dosage is a.
Y：Effect when active component B using dosages are b.
When the actual prevention effect observed exceedes expected preventive effect, explanation mixture has potentiation.
Toxicity test result is referring to table 1 to table 3.
1 flutianil of table compounds the pot experiment measurement result to wheat powdery mildew with Tebuconazole
2 flutianil of table compounds the pot experiment measurement result to wheat powdery mildew with Difenoconazole
3 flutianil of table and pot experiment measurement result of the propiconazole compound to wheat powdery mildew
Result of the test shows that flutianil compounds anti-within the specific limits with Tebuconazole or Difenoconazole or propiconazole
Wheat powdery mildew is controlled, with potentiation.
In order that the objects, technical solutions and advantages of the present invention become more apparent, present invention preparation reality in detail below
Example is illustrated, but the present invention is limited to absolutely not these examples.Described below is only the present invention preferably embodiment, only to solve
The present invention is released, therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.Cause
This, the protection domain of patent of the present invention should be defined by claims.
Cream embodiment
Pesticide active ingredient, emulsifying agent, solvent are mixed in proportion, are mixed in modulation kettle, until completely dissolved,
Again remaining solvent is slowly added into, uniform oil phase is obtained after being sufficiently stirred for, missible oil product is made.
Embodiment 1,51%flutianil Tebuconazole cream
Flutianil 50%, Tebuconazole 1%, agriculture breast No. 500 2% (emulsifying agent), dimethylbenzene (solvent) are supplemented to
100%.
Embodiment 2,31%flutianil Tebuconazole cream
Flutianil 30%, Tebuconazole 1%, POLYSORBATE 80 3% (emulsifying agent), dimethylbenzene (solvent) are supplemented to 100%.
Embodiment 3,51%flutianil Difenoconazole cream
Flutianil 50%, Difenoconazole 1%, agricultural emulsifier NO.600 2% (emulsifying agent), dimethylbenzene (solvent) are supplemented to
100%.
Embodiment 4,31%flutianil Difenoconazole cream
Flutianil 30%, Difenoconazole 1%, agriculture breast No. 1,600 3% (emulsifying agent), toluene (solvent) are supplemented to
100%.
Embodiment 5,51%flutianil propiconazole emulsifiable concentrates
Flutianil 50%, propiconazole 1%, agriculture breast No. 500 2% (emulsifying agent), dimethylbenzene (solvent) are supplemented to
100%.
Embodiment 6,31%flutianil propiconazole emulsifiable concentrates
Flutianil 30%, propiconazole 1%, agriculture breast No. 1,601 3% (emulsifying agent), toluene (solvent) are supplemented to 100%.
Microemulsion, aqueous emulsion embodiment
By each group distribution ratio, active component is dissolved in solvent and cosolvent, adds surfactant, mix homogeneously system
Obtain oil phase.Water-soluble component and water are mixed to prepare into water phase, then oil phase are added in water phase or water is added in oil phase, side edged
Stirring, is obtained microemulsion or aqueous emulsion.
Embodiment 7,5%flutianil tebuconazole microemulsions
Flutianil 2.5%, Tebuconazole 2.5%, Hexalin (solvent) 10%, agriculture breast No. 500 8% (emulsifying agent), agricultures
Breast No. 600 5% (emulsifying agent), agriculture breast No. 1,600 5% (emulsifying agent), sodium laurylsulfate 2% (wetting agent), ethylene glycol 5% are (anti-
Freeze agent), water be supplemented to 100%
Embodiment 8,11%flutianil tebuconazole aqueous emulsions
Flutiani l0%, Tebuconazole 1%, DMF (solvent) 5%, toluene 8% (solvent), glycerol (antifreezing agent) 5%, benzene
Ethyl phenol polyethenoxy ether (emulsifying agent) 10%, calcium dodecyl benzene sulfonate (wetting agent) 5%, water is supplemented to 100%
Embodiment 9,5%flutianil micro-emulsion of phenyl ether methyl cyclic-azole
Flutianil 2.5%, Difenoconazole 2.5%, toluene 8% (solvent), agriculture breast No. 500 8% (emulsifying agent), agricultures
Breast No. 600 5% (emulsifying agent), agriculture breast No. 1,600 5% (emulsifying agent), sodium laurylsulfate 2% (wetting agent), ethylene glycol 5% are (anti-
Freeze agent), water be supplemented to 100%
Embodiment 10,11%flutianil difenoconazole water emulsions
Flutianil 10%, Difenoconazole 1%, DMF (solvent) 5%, Hexalin (solvent) 10%, glycerol are (antifreeze
Agent) 5%, phenethyl phenol polyethenoxy ether (emulsifying agent) 10%, calcium dodecyl benzene sulfonate (wetting agent) 5%, water be supplemented to
100%
Embodiment 11,5%flutianil propiconazole microemulsions
Flutianil 2.5%, propiconazole 2.5%, toluene 8% (solvent), agriculture breast No. 500 8% (emulsifying agent), agriculture breasts
No. 600 5% (emulsifying agent), agriculture breast No. 1,600 5% (emulsifying agent), sodium laurylsulfate 2% (wetting agent), ethylene glycol 5% are (antifreeze
Agent), water be supplemented to 100%
Embodiment 12,11%flutianil propiconazole emusion in water
Flutianil 0%, propiconazole 1%, DMF (solvent) 5%, Hexalin (solvent) 10%, glycerol (antifreezing agent)
5%th, phenethyl phenol polyethenoxy ether (emulsifying agent) 10%, calcium dodecyl benzene sulfonate (wetting agent) 5%, water is supplemented to 100%
Suspension emulsion embodiment
The each components such as effective ingredient, dispersant, wetting agent, defoamer, thickening agent and water is equal in the ratio mixing of formula
It is even, semi-finished product are obtained Jing after sand milling or high speed shear, the filtration that is mixed with water is mended after analysis and is obtained final product suspending agent.
Solid effective ingredient is obtained into stable dense suspension first.Using high-shear mixer, by liquid effective ingredient breast
Liquid phase is added in suspension, and suspension emulsion is obtained.
Embodiment 13,31%flutianil tebuconazole suspension concentrates
Flutianil 1%, Tebuconazole 30%, sodium lignin sulfonate (dispersant) 5%, alkylphenol polyoxyethylene 8%
(wetting agent), Propylene Glycol 2% (antifreezing agent), xanthan gum 1% (thickening agent), organosilicon 2% (defoamer), water are supplemented to 100%
Embodiment 14,51%flutianil tebuconazole suspension concentrates
Flutianil 1%, Tebuconazole 50%, calcium lignosulfonate (dispersant) 5%, alkylphenol polyoxyethylene 8%
(wetting agent), Propylene Glycol 2% (antifreezing agent), xanthan gum 1% (thickening agent), organosilicon 2% (defoamer), water are supplemented to 100%
Embodiment 15,31%flutianil difenoconazole suspending agent
Flutianil 1%, Difenoconazole 30%, calcium lignosulfonate (dispersant) 6%, alkylphenol polyoxyethylene
6% (wetting agent), Propylene Glycol 2% (antifreezing agent), xanthan gum 1% (thickening agent), organosilicon 2% (defoamer), water are supplemented to
100%
Embodiment 16,51%flutianil Difenoconazole suspension emulsions
Flutianil 1%, Difenoconazole 50%, sodium lignin sulfonate (dispersant) 5%, alkylphenol polyoxyethylene
6% (wetting agent), Propylene Glycol 2% (antifreezing agent), xanthan gum 1% (thickening agent), organosilicon 2% (defoamer), water are supplemented to
100%
Embodiment 17,31%flutianil propiconazole suspending agents
Flutianil 1%, propiconazole 30%, calcium lignosulfonate (dispersant) 8%, alkylphenol polyoxyethylene 8%
(wetting agent), Propylene Glycol 2% (antifreezing agent), xanthan gum 1% (thickening agent), organosilicon 2% (defoamer), water are supplemented to 100%
Embodiment 18,51%flutianil propiconazole suspending agents
Flutianil 1%, propiconazole 50%, sodium lignin sulfonate (dispersant) 7%, alkylphenol polyoxyethylene 8%
(wetting agent), Propylene Glycol 2% (antifreezing agent), xanthan gum 1% (thickening agent), organosilicon 2% (defoamer), water are supplemented to 100%
Water dispersible granules embodiment
Pesticide activity component, auxiliary agent and filler are mixed in proportion, Jing comminution by gas stream, then plus 15-20% water, Jing pinches
Conjunction, pelletize, drying, screening are obtained water dispersible granules product.Capital equipment：Mixer, jet mill, kneader, extruding are made
Grain machine, drying equipment (drying room or fluid bed).
Embodiment 19,85%flutianil tebuconazole water dispersible granules
Flutianil50%, Tebuconazole 35%, dodecylbenzene sodium sulfonate 2% (wetting agent), sodium lignin sulfonate 4%
(dispersant), ammonium sulfate 2% (disintegrating agent), Kaolin (filler) to 100%
Embodiment 20,85%flutianil difenoconazole water dispersible granules
Flutianil50%, Difenoconazole 35%, dodecylbenzene sodium sulfonate 2% (wetting agent), sodium lignin sulfonate
5% (dispersant), ammonium sulfate 3% (disintegrating agent), White Carbon black (filler) to 100%
Embodiment 21,85%flutianil propiconazole water dispersible granules
Flutianil45%, propiconazole 40%, dodecylbenzene sodium sulfonate 2% (wetting agent), sodium lignin sulfonate 6%
(dispersant), ammonium sulfate 2% (disintegrating agent), Pulvis Talci (filler) to 100%
Wettable powder embodiment
Pesticide activity component, auxiliary agent, filler are mixed in proportion Jing after comminution by gas stream and remix prepared wettable powder.It is main
Want equipment：Mixer, jet mill.
Embodiment 22,50%flutianil Tebuconazole wettable powders
Flutianil15%, Tebuconazole 35%, Laurel alcohol radical sodium sulfate 4% (wetting agent), mersolates 7% (point
Powder), white carbon 8% (filler), Kaolin (filler) to 100%
Embodiment 23,11%flutianil Tebuconazole wettable powders
Flutianil 1%, Tebuconazole 10%, Laurel alcohol radical sodium sulfate 4% (wetting agent), mersolates 7% (point
Powder), white carbon 8% (filler), Pulvis Talci (filler) to 100%
Embodiment 24,50%flutianil Difenoconazole wettable powders
Flutianil10%, Difenoconazole 40%, Laurel alcohol radical sodium sulfate 4% (wetting agent), mersolates
7% (dispersant), white carbon 8% (filler), kieselguhr (filler) to 100%
Embodiment 25,11%flutianil Difenoconazole wettable powders
Flutianil 1%, Difenoconazole 10%, Laurel alcohol radical sodium sulfate 4% (wetting agent), mersolates
7% (dispersant), white carbon 8% (filler), Kaolin (filler) to 100%
Embodiment 26,50%flutianil propiconazole wettable powders
Flutianil5%, propiconazole 45%, Laurel alcohol radical sodium sulfate 4% (wetting agent), mersolates 7% (point
Powder), white carbon 8% (filler), kieselguhr (filler) to 100%
Embodiment 27,11%flutianil propiconazole wettable powders
Flutianil 1%, propiconazole 10%, Laurel alcohol radical sodium sulfate 4% (wetting agent), mersolates 7% (point
Powder), white carbon 8% (filler), Pulvis Talci (filler) to 100%
Field information example 1：Flutianil compounds the field control effectiveness test to wheat powdery mildew with Tebuconazole
Test site Henan Jiaozhuo.Test medicine and consumption are shown in Table 4, often process 4 cells and repeat, each plot area 20
Square metre.First time dispenser is carried out in disease early period of origination, even spraying is sprayed onto till blade drips, is processed as sky with clear water
It is white to compare.Second medicine is applied after 7 days.The incidence of 7 days investigation wheat powdery mildews before first time medicine and after second medicine.Often
Cell is sampled using 5 points, per two root and stem of certain plants of investigation, and all blades are investigated per the root and stem of certain plants, the percentage rate of whole leaf area is accounted for lesion area
To be classified record.Calculate each process disease index and prevention effect.
Grade scale：
0 grade：Disease-free spot；
1 grade：Lesion area accounts for less than the 5% of whole leaf area；
3 grades：Lesion area accounts for the 6%-15% of whole leaf area；
5 grades：Lesion area accounts for the 16%-25% of whole leaf area；
7 grades：Lesion area accounts for the 26%-50% of whole leaf area；
9 grades：Lesion area accounts for more than the 50% of whole leaf area.
Drug effect computational methods：
As can be seen from Table 4：Flutianil, Tebuconazole single dose are respectively 76.1% and to the preventive effect of wheat powdery mildew
71.9%, and embodiment of the present invention bactericidal composition is significantly increased in preventive effect, minimum preventive effect is 86.5%, up to
92.5%.The result of field test fully shows wheat powdery mildew is had significantly after flutianil and Tebuconazole compounding
Synergistic function, in the case where effective ingredient consumption is compared with single dose reduction, prevention effect is greatly improved.Therefore, of the present invention group
Compound has reduces cost, delaying drug resistance, the beneficial effect for reducing spraying times and pesticide residues.
4 flutianil of table compounds the field test results to wheat powdery mildew with Tebuconazole
Field information example 2：Flutianil compounds the field control effectiveness test to wheat powdery mildew with Difenoconazole
Test site Lantian, Shaanxi.Test method and method of statistical survey are with Field information example 1
As can be seen from Table 5：Flutianil, Difenoconazole single dose are respectively 77.3% to the preventive effect of wheat powdery mildew
With 72.3%, and embodiment of the present invention bactericidal composition is significantly increased in preventive effect, and minimum preventive effect is 86.2%, up to
To 91.5%.The result of field test fully shows wheat powdery mildew is had after flutianil and Difenoconazole compounding
Significant synergistic function, in the case where effective ingredient consumption is compared with single dose reduction, prevention effect is greatly improved.Therefore, originally
Inventive composition has reduces cost, delaying drug resistance, the beneficial effect for reducing spraying times and pesticide residues.
5 flutianil of table compounds the field test results to wheat powdery mildew with Difenoconazole
Field information example 3：Flutianil and field control effectiveness test of the propiconazole compound to wheat powdery mildew
Test site Tianshui city.Test method and method of statistical survey are with Field information example 1
As can be seen from Table 6：Flutianil, propiconazole single dose are respectively 76.8% and to the preventive effect of wheat powdery mildew
71.8%, and embodiment of the present invention bactericidal composition is significantly increased in preventive effect, minimum preventive effect is 86.2%, up to
90.5%.The result of field test fully shows wheat powdery mildew is had significantly after flutianil and propiconazole compound
Synergistic function, in the case where effective ingredient consumption is compared with single dose reduction, prevention effect is greatly improved.Therefore, of the present invention group
Compound has reduces cost, delaying drug resistance, the beneficial effect for reducing spraying times and pesticide residues.
6 flutianil of table and field test results of the propiconazole compound to wheat powdery mildew
Claims (6)
1. a kind of bactericidal composition, it is characterised in that：Be flutianil containing effective constituents A and B, A, B be selected from Tebuconazole,
Any one in Difenoconazole and propiconazole, the mass ratio of A and B is 1 ︰, 50~50 ︰ 1.
2. bactericidal composition according to claim 1, it is characterised in that：The mass ratio of effective constituents A and B be 1 ︰ 30~
30 ︰ 1.
3. bactericidal composition according to claim 2, it is characterised in that：The mass ratio of effective constituents A and B be 1 ︰ 10~
10 ︰ 1.
4. the bactericidal composition according to any one of claims 1 to 3, it is characterised in that：In compositionss, effective ingredient is tired
Product weight/mass percentage composition is 5%~85%.
5. bactericidal composition according to claim 4, it is characterised in that：Dosage form is cream, microemulsion, aqueous emulsion, suspension
Agent, suspension emulsion, wettable powder or water dispersible granules.
6. application of the bactericidal composition described in claim 1 on preventing and treating crop powdery mildew.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010029030A2 (en) * | 2008-09-12 | 2010-03-18 | Basf Se | Fungicidal mixtures |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010029030A2 (en) * | 2008-09-12 | 2010-03-18 | Basf Se | Fungicidal mixtures |
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Application publication date: 20170517 |