CN106719749A - A kind of bactericidal composition of fluorine-containing azoles ring bacterium amine and its application - Google Patents
A kind of bactericidal composition of fluorine-containing azoles ring bacterium amine and its application Download PDFInfo
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- CN106719749A CN106719749A CN201611072463.4A CN201611072463A CN106719749A CN 106719749 A CN106719749 A CN 106719749A CN 201611072463 A CN201611072463 A CN 201611072463A CN 106719749 A CN106719749 A CN 106719749A
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- bacterium amine
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- ring bacterium
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to technical field of pesticide combination, the application of the bactericidal composition and its preventing and treating corps diseases of more particularly to a kind of fluorine-containing azoles ring bacterium amine.Its active ingredient is fluorine azoles ring bacterium amine, thifluzamide and pyraclostrobin, and three's weight ratio is 1~80:1~80:1~80, preferably 1~30:1~30:1~30.The bactericidal composition is made up of the active ingredient of different mechanism of action, and synergistic effect is obvious, resistance risk is small, wide sterilization spectrum, drug effect long, low cost, environmental pollution are small.
Description
Technical field
The present invention relates to technical field of pesticide combination, the bactericidal composition of more particularly to a kind of fluorine-containing azoles ring bacterium amine and its
Prevent and treat the application of corps diseases.
Background technology
A kind of seed treatment fungicides of fluorine azoles Huan Junanshi Syngenta Co., Ltd exploitation, chemical name is 2 '-[(1RS,
2RS) -1,1 '-connection cyclopropylene -2- bases] -3- (difluoro), 1- methylpyrazole -4- carboxylic acid aniline is divided into cis and trans structure, English
Literary adopted name:Sedaxane.Fluorine azoles ring bacterium amine is a kind of systemic fungicide, the eupnea mistake of energy suppression target pathogen
Journey.It has good prevention effect to head smut on the crops such as corn, wheat class, paddy rice, soybean, cotton etc..The material is low
Poison, during as seed coat agent, has preferable prevention effect to more a variety of biographies, soil-borne disease, may additionally facilitate the growth of crop root.
Seed coating technology refers to, using sticker or film forming agent, specific seed pelleting machine to be used, by bactericide, desinsection
The non-seed materials such as agent, micro- fertilizer, plant growth regulator, colouring agent or filler, be wrapped in seed outside, with reach seed into
It is spherical or keep original shape substantially, resistance, disease resistance are improved, accelerate germination, promote seedling, increase yield, improve matter
One seed technology of amount.The rapid film-forming of seed coat agent energy, thus it is difficult for drop-off.Seed pelleting has been listed in China's emphasis and has pushed away
Wide agricultural technology project.Bactericide is made after seed coat agent is coated and is sowed, to preventing and treating soil-borne disease of crop effect very
Significantly.Novel seed treatment agent fluorine azoles ring bacterium amine of the invention is just being applicable this formulation.
The content of the invention
The present invention is intended to provide a kind of bactericidal composition of fluorine-containing azoles ring bacterium amine, and it is made into that resistance risk is small, sterilization
The agricultural double-crossed bactericidal composition that spectrum is wide, drug effect long, low cost, environmental pollution are small.
The technical scheme is that:
A kind of bactericidal composition of fluorine-containing azoles ring bacterium amine, its effective ingredient is fluorine azoles ring bacterium amine, thifluzamide and pyrazoles ether
Bacterium ester.
The weight ratio of the effective ingredient fluorine azoles ring bacterium amine, thifluzamide and pyraclostrobin is 1~80:1~80:1~
80, preferably 1~30:1~30:1~30.
Above-mentioned effective ingredient fluorine azoles ring bacterium amine, thifluzamide and pyraclostrobin can be bought by various commercial channel.
In above-mentioned bactericidal composition, in addition to effective ingredient fluorine azoles ring bacterium amine, thifluzamide and pyraclostrobin, also include
Agrotechnical formulation auxiliary ingredients.Effective ingredient fluorine azoles ring bacterium amine, thifluzamide and pyraclostrobin are shared in bactericidal composition
Total weight percentage is 1%~90%, preferably 5%~80%.
The pesticidal preparations auxiliary ingredients include carrier and auxiliary agent.
The carrier is one kind, two kinds or three kinds, the preferred deionized water of water in water, solvent or filler.
The solvent is selected from N,N-dimethylformamide (DMF), cyclohexanone, toluene, dimethylbenzene, dimethyl sulfoxide (DMSO), first
Alcohol, ethanol, trimethylcyclohexanone, NOP, monoethanolamine, triethanolamine, isopropylamine, 1-METHYLPYRROLIDONE,
Constitute for one or more in propyl alcohol, butanol, ethylene glycol, diethylene glycol, EGME, butyl ether, ethyl acetate or acetonitrile
Mixture.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch or precipitated calcium carbonate
One or more mixture of composition.
The auxiliary agent at least includes a kind of surfactant, according to different use occasions and demand, can also add antifreeze
The other functions auxiliary agent such as agent, thickener, stabilizer, disintegrant, defoamer.
The surfactant be selected from emulsifying agent, dispersant, wetting agent or bleeding agent in one kind of multiple.Live on above-mentioned surface
Property agent is the single dose or complex preparation of common nonionic surfactant or anion surfactant.
The other functions auxiliary agent is selected from one in antifreezing agent, thickener, stabilizer, film forming agent, disintegrant or defoamer
Plant or various.
The emulsifying agent is selected from agriculture breast 500# (alkyl benzene calcium sulfonate), OP series phosphate (NPE phosphorus
Acid esters), 600# phosphates (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether
Disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol formaldehyde trees
Fat polyoxyethyl ether), peaceful breast 36# (phenethyl phenol formaldehyde resin polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyls
Polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (NPE), BY series (castor-oil plant
Oily APEO), agriculture breast 33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate),
It is a kind of or many in TWEEN Series (anhydrous sorbitol resin acid ester APEO) or AEO series (AEO)
Plant the mixture of composition.
The dispersant be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat,
Alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, fatty acid polyglycol
One or more mixture of composition in oxygen vinethene or glycerine fatty acid ester APEO.
The wetting agent is selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, soap
One or more mixture of composition in angle powder, silkworm excrement or spaonin powder.
The bleeding agent is selected from penetrating agent JFC (AEO), penetrant t (diisooctyl maleate
Sulfonate), one or more mixture of composition in azone or organosilicon.
The antifreezing agent is selected from one or more mixture of composition in ethylene glycol, propane diols, glycerine or urea.
The thickener be selected from xanthans, polyvinyl alcohol, bentonite, carboxymethylcellulose calcium or aluminium-magnesium silicate in one kind or
The mixture of various compositions.
The stabilizer is selected from epoxidized soybean oil, epoxychloropropane, BHT, ethyl acetate, one kind of triphenyl phosphate or many
Plant the mixture of composition.
The film forming agent selects CN-09.
The disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, low-substituted hydroxypropyl cellulose, lactose, lemon
One or more mixture of composition in acid, succinic acid or sodium acid carbonate.
The defoamer is selected from silicone oil, silicone compound, C10~C20 saturated fat acids compound or C8~C10 fat
One or more mixture of composition in fat alcohol compound.
Above-mentioned substance can be commercially available.
Bactericidal composition of the invention can be prepared by known methods into the formulation for agriculturally allowing, and preferable formulation is
Wettable powder, suspension emulsion, suspension seed-coating agent, aqueous emulsion, microemulsion or water dispersible granules.
The present invention possesses advantages below:
1st, fungicidal spectrum, not only to the various fungal diseases on crop, such as wheat, the smut of corn, cotton seedling are expanded
The soil-borne disease such as sclerotiniose, damping-off that phase samping off and various crop cause preventive effect is protruded, to crop banded sclerotial blight, white powder
Disease, downy mildew, rust, anthracnose etc. also have preferable prevention effect;
2nd, synergistic effect is not the simple superposition of each component activity substantially, and drug effect is greatly improved, and the field of effective ingredient is used
Amount declines, and reduces production and use cost, reduces residues of pesticides and environmental pollution, and to person poultry safety, Environmental compatibility is good;
3rd, prevent and treat that drug effect is high, the lasting period is long, and resistance risk is small;
4th, it is made up of the effective ingredient of different mechanism of action, action site increases, and is conducive to overcoming and delaying the anti-medicine of germ
The generation of property.
Specific embodiment
The present invention is illustrated with reference to embodiments, but does not limit the invention to these specific embodiments.It is real
Percentage is weight percentage in applying example, and the treatment dosage of field efficacy is preparation consumption.
First, embodiment is prepared
1st, wettable powder
Preparation method:In Example formulations ratio, effective ingredient fluorine azoles ring bacterium amine, thifluzamide, pyraclostrobin are added
In entering carrier, and surfactant and other functions auxiliary agent are added wherein, mixing remixes that be obtained can after air-flow crushing
WP.Capital equipment has mixer, airslide disintegrating mill.
Embodiment 1:(60% fluorine azoles ring bacterium amine thifluzamide pyraclostrobin wettable powder) 1:1:2
Formula:Fluorine azoles ring bacterium amine, 15%;Thifluzamide, 15%;Pyraclostrobin, 30%;Wetting agent dodecyl sulphate
Sodium, 2%;Dispersant calcium lignosulfonate, 8%;Filler white carbon, 18%, filler kaolin, surplus.
2nd, water dispersible granules
Preparation method:In Example formulations ratio, effective ingredient fluorine azoles ring bacterium amine, thifluzamide and pyraclostrobin are added
In entering carrier, and surfactant and other functions auxiliary agent are added wherein, mixing, Jia 10 after air-flow crushing~25%
Water, then through mediating, granulating, dry, sieving prepared water dispersible granules product;Or the powder that will be crushed is in boiling granulator
Middle water spray, granulation, drying, sieve product is obtained afterwards.Capital equipment has mixer, airslide disintegrating mill, kneader, extruder grain
Machine, drying room or fluidized bed drying, or boiling granulator, screening machine.
Embodiment 2:(40% fluorine azoles ring bacterium amine thifluzamide pyraclostrobin water dispersible granule) 2:1:5
Formula:Fluorine azoles ring bacterium amine, 10%;Thifluzamide, 5%;Pyraclostrobin, 25%;Dispersant Negel,
5%;Dispersant sodium lignin sulfonate, 7%;Wetting agent lauryl sodium sulfate, 2%;Urea (disintegrant) 5%, lightweight carbonic acid
Calcium is mended, surplus.
3rd, suspension seed-coating agent
Preparation method:By formula rate, effective ingredient fluorine azoles ring bacterium amine and thifluzamide, pyraclostrobin, surface are lived
Property agent, film forming agent, dyestuff and other functions auxiliary agent are sequentially placed into reactor, are mixed with water, through high speed shear, wet method
It is sanded, last homogeneous filtering obtains final product product.Capital equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.
Embodiment 3:(14% fluorine azoles ring bacterium amine thifluzamide pyraclostrobin suspension seed-coating agent) 1:1:5
Formula:Fluorine azoles ring bacterium amine, 2%;Thifluzamide, 2%;Pyraclostrobin, 10%;Wetting agent NP-10,1%;Poly- carboxylic
Hydrochlorate dispersant, 3%;Thickener selects aluminium-magnesium silicate and xanthans, consumption to be respectively 1.4% and 0.14%;Antifreezing agent is selected
Propane diols, 5%;Film forming agent selects CN-09,1.5%;Organically-modified silica alkane defoamer, 0.2%;Water, surplus.
4th, aqueous emulsion
Preparation method:In Example formulations ratio by effective ingredient fluorine azoles ring bacterium amine, thifluzamide, pyraclostrobin with it is molten
Agent, emulsifying agent, cosolvent are added together, and make to be dissolved into uniform oil phase;By part water, antifreeze, antimicrobial etc. other
Insecticides adjuvant mix into uniform water phase;Oil phase is added into water phase while high-speed stirred in a kettle., slowly
Add water until reaching phase inversion point, opening cutter carries out high speed shear, and adds remaining water, shears about half an hour, forms water
The aqueous emulsion of oil-in.
Embodiment 4:(10% fluorine azoles ring bacterium amine thifluzamide pyraclostrobin aqueous emulsion) 1:1:3
Formula:Fluorine azoles ring bacterium amine, 2%;Thifluzamide, 2%;Pyraclostrobin, 6%;Emulsifying agent from agriculture breast 500# and
Agriculture breast 1601, consumption is respectively 2% and 4%;Solvent selects DMF, 15%;Ethyl acetate, 10%;It is antifreeze
Ethylene glycol, consumption 3% are selected in agent;Water, surplus.
5th, microemulsion
Preparation method:In Example formulations ratio, effective ingredient fluorine azoles ring bacterium amine, thifluzamide, pyraclostrobin are used
Solvent and cosolvent are completely dissolved, and then add other auxiliary agents, are well mixed, and water are eventually adding, after being sufficiently stirred for, you can system
Obtain Pesticidal combination microemulsion formulation of the present invention.
Embodiment 5:(14% fluorine azoles ring bacterium amine thifluzamide microemulsion pyraclostrobin) 2:1:4
Formula:Fluorine azoles ring bacterium amine, 4%;Thifluzamide, 2%;Pyraclostrobin, 8%;Solvent selects N, N- dimethyl methyls
Acid amides and ethyl acetate, consumption are respectively 20% and 15%;Emulsifying agent selects agriculture breast 602# and agriculture breast 500#, consumption to be respectively
9% and 6%;Water, surplus.
6th, suspension emulsion
Preparation method:Effective ingredient pyraclostrobin is added into solvent, surfactant in Example formulations ratio, is added water
It is well mixed, it is made aqueous emulsion through high speed shear;During fluorine azoles ring bacterium amine, thifluzamide added into carrier, and table is added wherein
Face activating agent and other functions auxiliary agent, are mixed with water, and through high speed shear, wet method is sanded, and suspending agent is obtained, finally by institute
The suspending agent and aqueous emulsion high speed shear for obtaining, homogeneous filtering obtain final product product.Capital equipment is batching kettle, colloid mill or homogeneous mixed
Conjunction machine, sand mill.
Embodiment 10:(30% fluorine azoles ring bacterium amine thifluzamide pyraclostrobin suspension emulsion) 2:1:3
Formula:Fluorine azoles ring bacterium amine, 10%;Thifluzamide, 5%;Pyraclostrobin, 15%;Solvents N-methyl pyrrolidines
Ketone, consumption 25%;Emulsifying agent selects agriculture breast 500# and agriculture breast OP-10#, consumption to be respectively 4% and 5%;Oil dispersant polycarboxylic acids
Salt, 8%;Thickener selects xanthans and aluminium-magnesium silicate, consumption to be respectively 0.2% and 2.0%;Antifreeze glycol, consumption
3%;Water, surplus.
2nd, BIOLOGICAL ACTIVITY EXAMPLES
BIOLOGICAL ACTIVITY EXAMPLES is divided into indoor biological activity Example and crop field BIOLOGICAL ACTIVITY EXAMPLES.
Active example 1:The indoor virulence that fluorine azoles ring bacterium amine, thifluzamide, pyraclostrobin compounding dissipate dust-brand to wheat is surveyed
It is fixed
For the sprouting condition of Ustilago tritici, determined using flat board spore rudiment method.
It is prepared by the malicious culture medium of band:
Quantitative reagent agent fluorine azoles ring bacterium amine, thifluzamide, pyraclostrobin is weighed respectively in 100mL specification volumetric flasks
In, add appropriate DMF to be configured to active compound, the liquid of series concentration is made into after dilution.PDA culture medium is made, is slightly cooled down after sterilizing,
The liquid that addition is prepared fully shakes up, and obtains the band poison culture medium containing series concentration reagent agent.Every kind of medicament various concentrations
And control is respectively provided with three PDA plates of a diameter of 9cm as repetition.
It is prepared by spore suspension:
Loose smut of wheat fringe is put into good seal in sterilized triangular flask, shake triangular flask makes conidia powder be scattered, chooses
Take 4mg or so conidia powders to be put into 40mL sterilized waters, with filtered through gauze to sterilized triangular flask after fully stirring evenly, obtain spore
Sub- suspension.
Inoculation and culture:
0.1mL spore suspensions are added dropwise on the PDA plate for preparing per ware, are smoothened with spatula, in microscope low-power field
Observed under (10 × 20), each visual field spore number is 100 or so.The PDA plate that spore suspension will be coated with is placed on
Cultivated under 24 DEG C of dark conditions.
Observation and record:
Control spore germination situation is examined under a microscope every 6h, spore germination rate is compareed after 24h is cultivated and is reached most
When big, (the germ tube length formed with spore germination is considered as when being more than spore radius to observe each chemicals treatment miospore sprouting situation
Sprout), calculate germination rate and do photograph record.Three visuals field are investigated per ware PDA plate, altogether 300 pieces of spores.
Computational methods:
Spore germination rate=(spore/300 of sprouting) × 100%
Mixture toxicity test and interpretation of result:
The toxicity test of mixture is carried out according to mixed ratio with single dose toxicity test method.
Each medicament is looked into biometrics probit value conversion table to the suppression percentage of spore germination and is converted into suppression probit value,
It is abscissa x with corresponding log concentration, suppression probit value is ordinate y, obtains virulence regression equation and coefficient correlation, calculates
Go out EC EC of the reagent agent to Ustilago tritici50, co-toxicity coefficient (CTC) is calculated according to the abundant methods of Sun Yun.Meter
Calculate formula as follows:(with pyraclostrobin as standard agent, its toxicity index is for 100):
The EC of toxicity index (the TI)=pyraclostrobin of thifluzamide50The EC of/thifluzamide50×100
The EC of toxicity index (the TI)=pyraclostrobin of fluorine azoles ring bacterium amine50The EC of/fluorine azoles ring bacterium amine50×100
The EC of true toxicity index (the ATI)=pyraclostrobin of M50The EC of/M50×100
TI × P thiophene furans of the TI × P pyraclostrobins+thifluzamide of theoretical toxicity index (the TTI)=pyraclostrobin of M
TI × P fluorine azoles ring bacterium amine of acid amides+fluorine azoles ring bacterium amine
TTI × 100 of the ATI/M of co-toxicity coefficient (the CTC)=M of M
In formula:
M is the mixture of pyraclostrobin, thifluzamide and fluorine azoles ring bacterium amine three's different ratio
P pyraclostrobins are the shared ratio in mixture of pyraclostrobin
P thifluzamides are the shared ratio in mixture of thifluzamide
P fluorine azoles ring bacterium amine is the shared ratio in mixture of fluorine azoles ring bacterium amine.
Criterion:Co-toxicity coefficient < 80 is antagonism, is summation action between 80-120, and > 120 makees for synergy
With.
The fluorine azoles ring bacterium amine of table 1, thifluzamide, pyraclostrobin compounding dissipate the Toxicity Determination result of dust-brand to wheat
As it can be seen from table 1 the fluorine azoles ring bacterium amine of different proportion, thifluzamide, pyraclostrobin composition dissipate to wheat
The fungistatic effect of dust-brand pathogen is different, test result indicate that it has synergistic effect in the range of certain ratio row, wherein
1:1:5 and 2:1:5 proportioning synergy are most notable.
Activity test 2:Prevent and treat the field control effectiveness test of maize head smut
According to " GB/T 17980.106-2004 pesticide field efficacy medicine tests criterion (two) --- the sterilization of medicine inspecting institute of the Ministry of Agriculture
Agent prevents and treats the regulation of maize head smut ", the cell treatment of test medicine, comparison medicament and blank is using random district's groups row
Row, plot area 30m2~60m2, 4 repetitions.Insecticide-applying way is Seed Treatment, using seed pelleting, seed is uniformly stained with medicine
Agent.Generally investigated 1 time after medicine, control time is carried out when symptom after fruit ear all sprouts is obvious.Investigation method:Outside per cell flash trimming row
All investigation, record total strain number, diseased plant number, calculate diseased plant rate, and record seedling-growing time and emergence rate.
Drug effect computational methods:
According to investigation result, diseased plant rate and preventive effect are calculated according to following (1), (2) formula.
Table 2 prevents and treats maize head smut field control effectiveness test result
As can be seen from Table 2,14% fluorine azoles ring bacterium amine thifluzamide pyraclostrobin FS is with 1:1:5 ratio compounding
The effect is significant for preventing and treating maize head smut is higher than single dose, and effect is incremented by with the increase of dosage.Estimated according to field, in experiment agent
In the range of amount, plant growth is normal, and each treatment agent does not occur the poisoning phenomenon to corn, to corn safety, for agricultural
Volume increase is significant, is worthy to be popularized.
Activity test 3:Preventing and treating cotton in seedling stage samping off field control effectiveness test
According to medicine inspecting institute of the Ministry of Agriculture " GB/T 17980.36-2000 pesticide field efficacy medicine tests criterion () --- bactericide
Seed Treatment prevents and treats sprout term disease ", the cell treatment of test medicine, comparison medicament and blank is arranged using random district's groups,
Plot area 30m2, 4 repetitions, insecticide-applying way is Seed Treatment, using seed pelleting, seed is uniformly stained with medicament.Experiment
Investigation result, when the neat seedling of blank cell, investigates all cells and quantitatively sows capable situation of emerging for the first time at twice.The
Second survey blank cell occurs investigating all cell sick seedling numbers during obvious symptom.Investigation method:Each cell random five
Sick seedling number is looked into point sampling, every 30 plants of investigation, is investigated number of emerging in quantitative sowing division and is emerged the date.
Drug effect computational methods:
According to investigation result, emergence rate and preventive effect are calculated according to following (1), (2), (3) formula.
In formula:CK, PT are respectively blank district sick seedling rate, chemicals treatment district sick seedling rate.
Table 3 prevents and treats cotton in seedling stage samping off field control effectiveness test result
As can be seen from Table 3,14% fluorine azoles ring bacterium amine thifluzamide pyraclostrobin FS is with 1:1:5 ratio compounding
Preventing and treating cotton in seedling stage samping off effect is significant, when dosage all using 40g/100kg seeds when, the effect is significant of complex preparation
It is the medicament for preferably preventing and treating cotton in seedling stage samping off higher than single dose, and to cotton safety, and can effectively delay the anti-medicine of germ
The generation of property.
Above-mentioned indoor biometricses and field control effectiveness test result show that the present invention contains fluorine azoles ring bacterium amine, thifluzamide and pyrazoles
The bactericidal composition of kresoxim-methyl, to various soil-borne diseases such as loose smut of wheat, maize head smut and cotton in seedling stage samping off
There is a good prevention effect, and it is equal to trial crops without obvious harmful effect, all normal, the Target crops such as leaf color, growing way
Safety.In sum, bactericidal composition of the invention not only increases preventive effect compared with single dose, and it is by different mechanism of action
Effective ingredient composition, action site increase, be conducive to overcoming and delaying the drug-fast generation of germ, expand fungicidal spectrum, subtract
Low drug cost, reduces environmental pollution and residues of pesticides, so this compounded combination has highly important meaning in production practices
Justice.
Claims (8)
1. a kind of bactericidal composition of fluorine-containing azoles ring bacterium amine, it is characterised in that active ingredient be fluorine azoles ring bacterium amine, thifluzamide and
Pyraclostrobin.
2. the bactericidal composition of fluorine-containing azoles ring bacterium amine according to claim 1, it is characterised in that the active ingredient fluorine azoles
The weight ratio of ring bacterium amine, thifluzamide and pyraclostrobin is 1~80:1~80:1~80.
3. the bactericidal composition of fluorine-containing azoles ring bacterium amine according to claim 2, it is characterised in that the active ingredient fluorine azoles
The weight ratio of ring bacterium amine, thifluzamide and pyraclostrobin is 1~30:1~30:1~30.
4. the bactericidal composition of the fluorine-containing azoles ring bacterium amine according to any one of claims 1 to 3, it is characterised in that described
Active ingredient fluorine azoles ring bacterium amine, thifluzamide and the shared total weight percentage in bactericidal composition of pyraclostrobin are
1%~90%, remaining is pesticidal preparations auxiliary element.
5. the bactericidal composition of fluorine-containing azoles ring bacterium amine according to claim 4, it is characterised in that the active ingredient fluorine azoles
The shared total weight percentage in bactericidal composition of ring bacterium amine, thifluzamide and pyraclostrobin is 5%~80%.
6. the bactericidal composition of fluorine-containing azoles ring bacterium amine according to claim 4, it is characterised in that the pesticidal preparations auxiliary
Composition includes carrier and auxiliary agent.
7. the bactericidal composition of fluorine-containing azoles ring bacterium amine according to claim 4, it is characterised in that its formulation be aqueous emulsion,
One kind in microemulsion, suspension seed-coating agent, suspension emulsion, wettable powder or water dispersible granules.
8. the bactericidal composition of the fluorine-containing azoles ring bacterium amine according to claim 1-7 any one is preventing and treating smut, seedling stage
Application in samping off, damping-off, sclerotiniose disease.
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CN114271270A (en) * | 2021-12-31 | 2022-04-05 | 广西壮族自治区农业科学院 | Composition for preventing and controlling sugarcane smut and preparation method thereof |
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CN101828560B (en) * | 2010-06-02 | 2013-03-27 | 陕西上格之路生物科学有限公司 | Agricultural sterilizing composite containing thifluzamide |
CN104719297A (en) * | 2013-12-20 | 2015-06-24 | 陕西美邦农药有限公司 | Sterilization composition containing sedaxane and methoxy acrylate |
CN104719298A (en) * | 2013-12-20 | 2015-06-24 | 陕西美邦农药有限公司 | Bactericidal composition containing sedaxane |
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CN101828560B (en) * | 2010-06-02 | 2013-03-27 | 陕西上格之路生物科学有限公司 | Agricultural sterilizing composite containing thifluzamide |
CN104719297A (en) * | 2013-12-20 | 2015-06-24 | 陕西美邦农药有限公司 | Sterilization composition containing sedaxane and methoxy acrylate |
CN104719298A (en) * | 2013-12-20 | 2015-06-24 | 陕西美邦农药有限公司 | Bactericidal composition containing sedaxane |
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CN114271270A (en) * | 2021-12-31 | 2022-04-05 | 广西壮族自治区农业科学院 | Composition for preventing and controlling sugarcane smut and preparation method thereof |
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