CN108174857A - A kind of bactericidal composition and its application - Google Patents
A kind of bactericidal composition and its application Download PDFInfo
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- CN108174857A CN108174857A CN201810103649.4A CN201810103649A CN108174857A CN 108174857 A CN108174857 A CN 108174857A CN 201810103649 A CN201810103649 A CN 201810103649A CN 108174857 A CN108174857 A CN 108174857A
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- ethyl ketone
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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
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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
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
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Abstract
The present invention relates to a kind of bactericidal composition, active ingredient is fluorine thiazole pyrrole ethyl ketone and figured silk fabrics bacterium amine, and the mass ratio of the two is 50 ︰, 1~1 ︰ 50, and the gross mass percentage composition of active ingredient is 5%~80% in composition.The composition can be configured to the dosage forms such as dispersible oil-suspending agent, wettable powder, water dispersible granules.The bactericidal composition of the present invention is available for a variety of oomycetes diseases such as downy mildew, late blight etc. in prevention vegetables, fruit tree, flowers and other crops.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of bactericidal composition containing fluorine thiazole pyrrole ethyl ketone and its anti-
The application of corps diseases is controlled, belongs to technical field of pesticide.
Background technology
The late blight of potato (Potato Late Blight) is caused by phytophthora infestans, leads to potato haulm death and block
A kind of rotten crushing oomycetes disease of stem rot.Cardinal symptom：Blade is caught an illness first gives birth to the green brown spot of water soaking mode in blade tip or leaf margin,
Has light green color haloing around scab, scab expands rapidly when humidity is big, brown, and generates a circle white mould, i.e. sporangiophore and spore
Ascus, it is especially the most apparent with blade back；Scab browning dries up when dry, and matter is crisp easy to crack, loses white mould, and expansion rate slows down.Stem
Portion or petiole are caught an illness existing brown streak.Serious blade of falling ill wither it is vertical, crispatura, eventually cause the black corruption of complete stool, full field is a piece of dried-up, distributes
Go out corrupt smell.Stem tuber is caught an illness nascent brown or puce bulk scab, and slightly concave to fall into, the sick subcutaneous potato meat in portion is also brown, slowly
Expand around or rot.
The late blight of potato in the rainy time, there was dampness in the air or it is warm it is foggy under the conditions of fall ill weight.Susceptible variety is planted, is planted
Strain is in the flowering phase again, as long as there is 22 DEG C or so of daytime, relative humidity continues 8 hours or more higher than 95%, and night 10~
13 DEG C, there are the super-humid conditions that water droplet continues 11~14 hours on leaf, this disease can occur, and disease sprawling in 10~14 days is complete after morbidity
Field or cause is very popular.
Downy mildew of garpe has generation in each viny region in China, especially occurs in rainy humid area generally, is grape
One of Major Diseases.Downy mildew of garpe main harm blade, can also infect the tender tissues such as young sprout young fruit.Blade is killed, and is come into being
The clear fleck of faint yellow water stain shape blur margin gradually expands as brown irregular shape or polygonal scab, number spot phase later
Company becomes the big spot of irregular shape.During wet weather, white downy mildew shape object, the i.e. sporangiophore and spore of germ are generated in the scab back side
Capsule.Disease leaf is early withered caducous when falling ill serious.
In the prevention of the late blight of potato and downy mildew of garpe, rely primarily at present dimethomorph, metalaxyl and some
Protectiveness medicament.These medicaments have produced different degrees of drug resistance because being used for a long time, and control effect reduces.Medicament simultaneously
A large amount of uses increase pesticide residue, endanger food security, aggravated environmental pollution.
Fluorine thiazole pyrrole ethyl ketone, english common name oxathiapiprolin are the newly developed first piperidyls of E.I.Du Pont Company
Thiazole isoxazoline series bactericidal agent, structure include isozole ring, pyrazole ring and thiazole ring.The fungicide is to Oomycete pathogen
With unique action site, downy mildew and epidemic disease to crops such as melon dish, potato, grapes have remarkable preventive effect.The production
Product can quickly be absorbed by wax coat, have outstanding resistance of rainwater washing against effect；While top conduction, protection new life are drawn in having
The characteristics of tissue.To pathogen, each stage of development all has strong inhibition for it, can be defeated over long distances in host plant body
It leads, even if can effective controlling disease under conditions of extremely severe.Its dispenser is flexible, to crop safety.Fluorine thiazole pyrrole ethyl ketone
With very favorable toxicology and environmental characteristics, dosage is low, to the safe of user, agricultural producer and environment.The agent
Amount of application is only the 1/100~1/5 of common fungicide.
By fluorine thiazole pyrrole ethyl ketone and the pesticide active ingredient combination application of other structures type, there is the composition of synergistic effect
Practical preventive effect can not only be significantly improved, dosage and cost is reduced, additionally aids the generation for avoiding germ resistance and delay to resist
The generation speed of pharmacological property, the problems such as resistance and cost in current pesticide single dose application process can be solved.
Invention content
The purpose of the present invention is to provide a kind of new resistance risk is small, at low cost, good drug efficacy, the sterilization group of lasting period length
It closes object and its prevents the application of corps diseases.
Inventor passes through a large amount of indoor biometrics and field control effectiveness test, it has unexpectedly been found that fluorine thiazole pyrrole ethyl ketone and figured silk fabrics bacterium amine
In certain proportion after mixture, there is significant synergistic effect to diseases such as downys mildew of garpe.
The figured silk fabrics bacterium amine, english common name valifenalate, molecular formula C19H27ClN2O5, molecular weight 398.88.Figured silk fabrics
Bacterium amine plays protection, treatment, eradicant action in plant surface, in vivo, is mainly used for preventing oomycetes disease.
Inventor, by carrying out the quantitative analysis of synergy to composition, forms this on the basis of above-mentioned discovery
The technical solution of invention, i.e.,：A kind of bactericidal composition, containing fluorine thiazole pyrrole ethyl ketone and figured silk fabrics bacterium amine, the mass ratio of the two is 50 ︰ 1
~1 ︰ 50 is preferably in a proportion of 30 ︰, 1~1 ︰ 30.The gross mass percentage composition of active ingredient is 5%~80% in composition.
The present composition can be prepared into any one dosage form of suitable agricultural use, preferable agent by known method
Type has dispersible oil-suspending agent, wettable powder, water dispersible granules etc..These preparations can be prepared by general method, for example, will
Active material is mixed with liquid flux and/or solid carrier, at the same add in surfactant for example emulsifier, dispersant, stabilizer,
Wetting agent can also add in adhesive, antifoaming agent, oxidant, dyestuff etc..
For dispersible oil-suspending agent, workable dispersant such as polycarboxylate, lignosulfonates such as lignin sulfonic acid
It is one or more in sodium salt, alkylnaphthalene sulfonate；Emulsifier such as Nongru-700 # (common name alkylphenol-formaldehyde resin polyoxyethylene
Ether), nekal formaldehyde condensation products, agriculture breast 2201#, this disk -60# (common name sorbitol anhydride monostearate), agriculture
In newborn 1601# (common name triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), TERSPERSE 4894 (2500)
It is one or more；Wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products phosphate, tea seed cake powder, alkylphenol-polyethenoxy
One kind in base ether phosphate, phenethyl phenol polyoxyethylene groups ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate
It is or a variety of；It is one or more in thickener such as xanthans, polyvinyl alcohol, bentonite；Preservative such as formaldehyde, benzoic acid, benzene first
It is one or more in sour sodium；Antifoaming agent such as organic silicon antifoaming agent；Antifreezing agent such as ethylene glycol, propylene glycol, glycerine, urea, nothing
It is one or more in machine salt such as sodium chloride.
For water dispersible granules, workable dispersant such as polycarboxylate, lignosulfonates, NNO4, alkyl naphthalene sulfonic acid
It is one or more in salt；Wetting agent such as nonylphenol polyoxyethylene ether, polyoxyethylene alcohol, alkyl sulfate, alkylsulfonate, naphthalene
It is one or more in sulfonate；It is one or more in disintegrant such as ammonium sulfate, urea, sucrose, glucose；Binding agent such as silicon
It is one or more in diatomaceous earth, cornstarch, PVA, carboxymethyl (ethyl) cellulose；Filler such as diatomite, calcium bicarbonate, kaolinite
It is one or more in soil, white carbon, talcum powder, clay.
For wettable powder, workable dispersant is as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate
It is one or more；It is one or more in wetting agent such as alkyl sulfate, alkylsulfonate, naphthalene sulfonate；Filler such as ammonium sulfate,
One kind or more in urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, clay
Kind.
The present composition can be provided in the form of finished product preparation, i.e., each substance has mixed in composition；Composition
Ingredient can also be provided with unit dose preparation, be mixed in proportion in bucket (tank) using preceding.The concentrate of the present invention is usually mixed with water
Close the concentration of active material required for obtaining.
The composition of the present invention can be used for prevention important disease as caused by oomycetes, be particularly suitable for preventing downy mildew, evening
Epidemic disease.The composition of the present invention applies place as farmland, orchard etc..
The composition of the present invention can also be with other compound particularly protectiveness with weeding, desinsection or bactericidal property
Fungicide is used in mixed way, and can also be mixed with nematicide, protective agent, growth regulator, nutrient for plants or soil conditioner
It uses.
The invention also includes a kind of method that fungi is killed at scene, before or after crop and/or fruit are susceptible, to work
The composition of the place of the object and/or fruit and growth or storage application present invention.It can apply by common method, such as pour
Note, injection, spraying, dusting, distribution.The amount of application of the present invention changes with weather condition or crop condition.Protective effect continues
Time is usually related with the content of single compound in composition, related to extraneous factor, such as weather, but by using appropriate
Dosage form can slow down the influence of weather.
The composition of the present invention has advantages below：First, composition synergistic effect is apparent, drug effect greatly improves；Second is that group
It closes object drug effect to improve, field rate declines, and reduces production and application cost, reduces pesticide residue and environmental pollution；Third, group
It closes object to be made of the active ingredient of different role mechanism, action site increases, and is conducive to overcome and delay the production of germ drug resistance
It is raw.
Specific embodiment
After different pesticide active ingredient mixing, three kinds of type of action are typically exhibited：Summation action, synergistic effect and short of money
Anti- effect.But it is specially which kind of effect, it is unpredictable, only just it can know that by a large number of experiments.Compound synergic is formulated well,
Due to significantly improving practical control effect, the usage amount of pesticide is reduced, so as to greatly delay the production of germ drug resistance
Raw speed is the important means of scientific prevention and cure disease.
Inventor has carried out a large amount of indoor bioassay experiment and field control effectiveness test, finds fluorine thiazole pyrrole ethyl ketone and figured silk fabrics
Bacterium amine, which combines Phytophthora infestans and Plasmopara viticola, has significant synergistic function, rather than just two kinds of medicines
The simple of agent is added (referring to bioassay example 1,2).Assays Example 1：Fluorine thiazole pyrrole ethyl ketone and figured silk fabrics bacterium amine compounding pair
The Toxicity Determination experiment of phytophthora infestans (Phytophthora infestans)
Experiment is using mycelial growth rate method.The experiment liquid that 5ml is prepared is taken to be added to equipped with the hot culture medium (ryes of 45ml
Culture medium, 45-50 DEG C) conical flask in, after shaking up, pour into diameter 90mm glass culture dish rapidly, each culture dish pours into band
Medicine culture medium 12ml, each handle 4 repetitions, horizontal rest, after cooling tablet.With diameter 5mm card punch from culture 5d
Cut bacteria cake for examination bacterium edge, with needle is chosen by being connected on one side on the malicious culture medium of band with mycelia, all operations are ultra-clean
Workbench carries out sterile working.Tablet is placed in 25 DEG C of constant temperature sterile culture case after processing and is cultivated, is handed over after 10d using cross
Fork method measures the colony diameter of each processing respectively, calculates the average net growth of the average value, colony diameter of each processing colony diameter
Amount and mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter -5
Mycelial growth inhibition rate (%)=[(control group net growth-processing group net growth)/control group net growth]
×100
Mycelial growth inhibition rate is converted into niqueMin (y), liquor strength (μ g/ml) is converted into logarithm (x), with minimum
Concentration EC during square law calculates virulence equation and inhibits50, according to the toxicity index and co-toxicity coefficient of the abundant method calculating medicaments of Sun Yun
(CTC)。
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100.
CTC≤80 are antagonism, and 80 ＜ CTC ＜ 120 are summation action, and CTC >=120 are synergistic effect.
As can be known from Table 1, fluorine thiazole pyrrole ethyl ketone is compounded with figured silk fabrics bacterium amine, is 50 in proportioning:1~1:It is malicious altogether when between 50
Coefficient is all more than 120, and Phytophthora infestans has synergistic effect, especially 30:1~1:When between 30, co-toxicity coefficient
All more than 170.
The isolated test result of 1 fluorine thiazole pyrrole ethyl ketone of table and figured silk fabrics bacterium amine compounding Phytophthora infestans
Assays Example 2：Fluorine thiazole pyrrole ethyl ketone is compounded with figured silk fabrics bacterium amine to Plasmopara viticola (Plasmopara
Viticola Toxicity Determination experiment)
This experiment uses pot-culture method.The consistent grape seedlings of growing way are chosen, 5 basin grape seedlings are selected in each processing, and number is spare.
It is sprayed under 50PSI pressure with Potter spray towers, per basin 5mL.Each medicament sets 5 concentration gradients, clear to spray equivalent
Water is blank control.Chemicals treatment for 24 hours match by rear spray inoculation Plasmopara viticola sporangia suspension, sporangia suspension
It is as follows to put process：The grape leave with Pseudoperonospora cubensis for picking up from field is taken, is dipped with writing brush under 10 DEG C or so of distillation washing
The sporangium at the back side is made into a concentration of 3 × 105The sporangia suspension of a/mL.Grape seedlings are placed in growth cabinet after inoculation
In (relative humidity 100%, 15-20 DEG C of temperature) cultivate, 15-24 DEG C of temperature, 90% or so moisturizing of relative humidity is kept to lure afterwards for 24 hours
It sends out, investigation record incidence, calculates disease index and control effect after 10d.
Downy mildew of garpe grade scale:
0 grade：Blade disease-free spot；
1 grade：Lesion area accounts for less than 5% entire blade area；
3 grades：Lesion area accounts for the 6%-10% of entire blade area；
5 grades：Lesion area accounts for the 11%-25% of entire blade area；
7 grades：Lesion area accounts for the 26%-50% of entire blade area；
9 grades：Lesion area accounts for more than 50% entire blade area.
Concentration EC in inhibiting is calculated with least square method50, then according to the abundant method calculating co-toxicity coefficients (CTC) of Sun Yun.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100.
CTC≤80 are antagonism, and 80 ＜ CTC ＜ 120 are summation action, and CTC >=120 are synergistic effect.
As can be known from Table 2, fluorine thiazole pyrrole ethyl ketone is compounded with figured silk fabrics bacterium amine, is 50 in proportioning:1~1:It is malicious altogether when between 50
Coefficient has synergistic effect all more than 120, to Plasmopara viticola, especially 30:1~1:When between 30, co-toxicity coefficient is all
More than 170.
2 fluorine thiazole pyrrole ethyl ketone of table compounds the live test result (interior) to Plasmopara viticola with figured silk fabrics bacterium amine
It is further illustrated the present invention below with specific embodiment, but the present invention is limited to absolutely not these examples.It is as described below only
It for the preferable embodiment of the present invention, is only used to explain the present invention, can not therefore be interpreted as to the scope of the claims of the present invention
Limitation.It should be pointed out that any modifications, equivalent replacements and improvementsmade within the spirit and principles of the invention, etc.,
It should all be included in the protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Percentage composition is mass percent in all formulations proportioning.
Dispersible oil-suspending agent embodiment
By formula rate, by each components such as active constituent, dispersant, wetting agent, thickener, antifreeze and oil bases by formula
Ratio be uniformly mixed, dispersible oil-suspending agent is made after ground or high speed shear.
Embodiment 1：The 31% dispersible oil-suspending agent of fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium amine
Fluorine thiazole pyrrole ethyl ketone 30%, figured silk fabrics bacterium amine 1%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, dodecane
Base sodium sulphate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, glycerine (antifreeze) 5%, soybean
Oil complements to 100%.
Embodiment 2：The 31% dispersible oil-suspending agent of fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium amine
Fluorine thiazole pyrrole ethyl ketone 1%, figured silk fabrics bacterium amine 30%, polycarboxylate (dispersant) 10%, gather tea seed cake powder (wetting agent) 3%
Vinyl alcohol (thickener) 2%, bentonite (thickener) 1%, ethylene glycol (antifreeze) 5%, turpentine oil complements to 100%.
Embodiment 3:The 5% dispersible oil-suspending agent of fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium amine
Fluorine thiazole pyrrole ethyl ketone 2.5%, figured silk fabrics bacterium amine 2.5%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, 12
Sodium alkyl sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, urea (antifreeze) 5%, greatly
Soya-bean oil complements to 100%.
Embodiment 4：The 16% dispersible oil-suspending agent of fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium amine
Fluorine thiazole pyrrole ethyl ketone 15%, figured silk fabrics bacterium amine 1%, polycarboxylate (dispersant) 10%, gather tea seed cake powder (wetting agent) 3%
Vinyl alcohol (thickener) 2%, bentonite (thickener) 1%, propylene glycol (antifreeze) 5%, turpentine oil complements to 100%.
Wettable powder embodiment
Pesticide activity component, auxiliary agent, filler are mixed in proportion, obtained wettable powder is remixed after air-flow crushing.It is main
Want equipment：Mixing machine, airslide disintegrating mill.
Embodiment 5：80% fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium amine wettable powders
Fluorine thiazole pyrrole ethyl ketone 50%, figured silk fabrics bacterium amine 30%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (point
Powder) 3%, White Carbon black 10% (filler), kaolin complements to 100%.
Embodiment 6：51% fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium amine wettable powders
Fluorine thiazole pyrrole ethyl ketone 50%, figured silk fabrics bacterium amine 1%, alkyl sulfate (wetting agent) 3%, polycarboxylate (dispersant) 3%,
White Carbon black (filler) 11%, bentonite complements to 100%.
Embodiment 7：16% fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium amine wettable powders
Fluorine thiazole pyrrole ethyl ketone 1%, figured silk fabrics bacterium amine 15%, alkylsulfonate (wetting agent) 3%, sodium lignin sulfonate (dispersant)
3%, White Carbon black (filler) 11%, clay complements to 100%.
Water dispersible granules embodiment
By formula rate, active compound and powder carrier, moistening spreader-sticker and binding agent etc. are subjected to co-grinding, adds water and pinches
After conjunction, add in the comminutor equipped with certain specification sieve and be granulated.Then again through drying, screening (press screen cloth scope) to obtain the final product
Granular product.
Embodiment 8：51% fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium aqueous amine dispersible granules
Fluorine thiazole pyrrole ethyl ketone 1%, figured silk fabrics bacterium amine 50%, polycarboxylate (dispersant) 5%, sodium lignin sulfonate (dispersant)
7%, lauryl sodium sulfate (wetting agent) 2%, ammonium sulfate (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Embodiment 9：40% fluorine thiazole pyrrole ethyl ketone 〃 figured silk fabrics bacterium aqueous amine dispersible granules
Fluorine thiazole pyrrole ethyl ketone 20%, figured silk fabrics bacterium amine 20%, Negel (dispersant) 5%, sodium lignin sulfonate (dispersion
Agent) 7%, lauryl sodium sulfate (wetting agent) 2%, urea (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Field information example 1：Fluorine thiazole pyrrole ethyl ketone compounds the field control effectiveness test to the late blight of potato with figured silk fabrics bacterium amine
Test site body in Zhangjiakou Area, Hebei Province.The late blight of potato is chosen to fall ill throughout the year heavier plot.Test medicine and dosage
3 are shown in Table, 4 cells is often handled and repeats, each 20 square metres of plot area.First time dispenser is carried out in the early stages of disease, entirely
Strain even spraying is sprayed onto until blade drips, using clear water processing as blank control.Second of medicine is applied after 7 days.Before first time medicine
With the incidence of 7 days investigation late blights of potato after second of medicine.Per cell 5 plants, every plant are investigated using 5 points of samplings, at every
All blades are investigated, the percentage of entire leaf area is accounted for lesion area and is recorded to be classified.It calculates each processing disease index and prevents
Control effect.
Grade scale：
0 grade：Disease-free spot；
1 grade：Lesion area accounts for less than 5% entire leaf area；
3 grades：Lesion area accounts for the 6%-15% of entire leaf area；
5 grades：Lesion area accounts for the 16%-25% of entire leaf area；
7 grades：Lesion area accounts for the 26%-50% of entire leaf area；
9 grades：Lesion area accounts for more than 50% entire leaf area.
Drug effect computational methods：
As can be seen from Table 3：Fluorine thiazole pyrrole ethyl ketone, each single dose of figured silk fabrics bacterium amine are respectively to the preventive effect of the late blight of potato
79.3% and 73.1%, and bactericidal composition of the embodiment of the present invention is significantly increased in preventive effect, and minimum preventive effect is
88.4%, it has been up to 94.1%.The result of field trial fully shows fluorine thiazole pyrrole ethyl ketone after being compounded with figured silk fabrics bacterium amine to horse
Bell potato late blight has significant synergistic function, and in the case where effective ingredient consumption is reduced, control effect greatly improves.
Therefore, the present composition, which has, reduces cost, delaying drug resistance, reduces spraying times and the beneficial effect of pesticide residue.
3 fluorine thiazole pyrrole ethyl ketone of table compounds the field test results to the late blight of potato with figured silk fabrics bacterium amine
Field information example 2：Fluorine thiazole pyrrole ethyl ketone compounds the field control effectiveness test to downy mildew of garpe with figured silk fabrics bacterium amine
Test site Longkou.Downy mildew of garpe is chosen to fall ill throughout the year heavier plot.Test medicine and dosage are shown in Table
4, it often handles 4 cells and repeats, each 20 square metres of plot area.First time dispenser is carried out in the early stages of disease, and complete stool is equal
Even spraying is sprayed onto until blade drips, using clear water processing as blank control.Second of medicine is applied after 7 days.Before first time medicine and the
The incidence of 7 days investigation downys mildew of garpe after secondary medicine.5 plants are investigated using 5 points of samplings, at every, every plant of inquiry agency per cell
There is blade, the percentage of entire leaf area is accounted for lesion area and is recorded to be classified.Calculate each processing disease index and control effect.
Grade scale：
0 grade：Disease-free spot；
1 grade：Lesion area accounts for less than 5% entire leaf area；
3 grades：Lesion area accounts for the 6%-15% of entire leaf area；
5 grades：Lesion area accounts for the 16%-25% of entire leaf area；
7 grades：Lesion area accounts for the 26%-50% of entire leaf area；
9 grades：Lesion area accounts for more than 50% entire leaf area.
Drug effect computational methods：
As can be seen from Table 4：Fluorine thiazole pyrrole ethyl ketone, each single dose of figured silk fabrics bacterium amine are respectively 80.2% to the preventive effect of downy mildew of garpe
With 69.4%, and bactericidal composition of the embodiment of the present invention is significantly increased in preventive effect, minimum preventive effect is 87.3%, highest
Reach 95.0%.The result of field trial has downy mildew of garpe after fully showing fluorine thiazole pyrrole ethyl ketone and figured silk fabrics bacterium amine compounding
There is significant synergistic function, in the case where effective ingredient consumption is reduced, control effect greatly improves.Therefore, it is of the invention
Composition has the beneficial effect for reducing cost, delaying drug resistance, reduction spraying times and pesticide residue.
4 fluorine thiazole pyrrole ethyl ketone of table compounds the field test results to downy mildew of garpe with figured silk fabrics bacterium amine
Claims (5)
1. a kind of bactericidal composition, it is characterised in that：The bactericidal composition contains active ingredient fluorine thiazole pyrrole ethyl ketone and figured silk fabrics bacterium
Amine, the mass ratio of the two is 50 ︰, 1~1 ︰ 50.
2. bactericidal composition according to claim 1, it is characterised in that：Active ingredient fluorine thiazole pyrrole ethyl ketone and figured silk fabrics bacterium amine
Mass ratio is 30 ︰, 1~1 ︰ 30.
3. bactericidal composition according to claim 1 or 2, it is characterised in that：The gross mass hundred of active ingredient in composition
It is 5%~80% to divide content.
4. bactericidal composition according to claim 3, it is characterised in that：The composition can prepare arbitrary dosage form, preferably
Dosage form have dispersible oil-suspending agent, wettable powder or water dispersible granules.
5. bactericidal composition described in claim 1 is used to prevent downy mildew of garpe, the purposes of the late blight of potato.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810103649.4A CN108174857A (en) | 2018-02-02 | 2018-02-02 | A kind of bactericidal composition and its application |
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| CN102459256A (en) * | 2009-04-22 | 2012-05-16 | 纳幕尔杜邦公司 | Solid forms of an azocyclic amide |
| CN104663674A (en) * | 2007-10-23 | 2015-06-03 | 杜邦公司 | Fungicidal Mixtures |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104663674A (en) * | 2007-10-23 | 2015-06-03 | 杜邦公司 | Fungicidal Mixtures |
| CN102459256A (en) * | 2009-04-22 | 2012-05-16 | 纳幕尔杜邦公司 | Solid forms of an azocyclic amide |
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