CN104798796B - A kind of bactericidal composition containing benzo alkene fluorine bacterium azoles and application thereof - Google Patents
A kind of bactericidal composition containing benzo alkene fluorine bacterium azoles and application thereof Download PDFInfo
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- CN104798796B CN104798796B CN201510210012.1A CN201510210012A CN104798796B CN 104798796 B CN104798796 B CN 104798796B CN 201510210012 A CN201510210012 A CN 201510210012A CN 104798796 B CN104798796 B CN 104798796B
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Abstract
The invention discloses a kind of bactericidal composition containing benzo alkene fluorine bacterium azoles, its effective ingredient is benzo alkene fluorine bacterium azoles and chlorine nalidixic bacterium ester, and both mass ratioes are 1:50～50:1.Compositions has obvious potentiation, and safety is good, it is adaptable to preventing and treating crop powdery mildew and gray mold, is particularly suited for preventing and treating vegetable, fruit tree and cereal crop powdery mildew and gray mold.
Description
Technical field
The present invention relates to a kind of bactericidal composition, a kind of bactericidal composition containing benzo alkene fluorine bacterium azoles and
The application of its preventing and treating corps diseases, belongs to technical field of pesticide.
Background technology
Powdery mildew is the worldwide disease of a kind of extensive generation, the Erysiphaceae in fungus cause；Gray mold
It is open country, common and relatively difficult preventing and treating a kind of fungal disease of protecting field crop, the pathogen of Botrytis cinerea infects
Caused.
Main in production use chemical pesticide control powdery mildew and gray mold, currently mainly rely on benzimidazole,
Triazole type, methoxy acrylate class and dicarboxyl carboximide series bactericidal agent.These medicaments produce because of life-time service
Having given birth to resistance in various degree, prevention effect reduces.It addition, triazole type medicament when using dosage is big to work
The growth of thing has inhibitory action, easily causes poisoning.
Benzo alkene fluorine bacterium azoles, english common name: benzovindiflupyr, is that a kind of pyrazol acid amide kills
Microbial inoculum.By the succinate dehydrogenase in electron transport chain on suppression mitochondrial inner membrane so that pathogenic fungi without
Method is via breathing generation energy, and then disintegrates the growth of pathogenic bacteria.This compound is used alone relatively costly and holds
Easily Induced resistance produces, thus reduces service life.
Summary of the invention
It is an object of the invention to: a kind of Synergistic bactericidal composition being suitable for and agriculturally using is provided, and has
Help reduce dosage, delay pathogen produce resistance and reduce use cost.
For overcoming the deficiencies in the prior art, inventor is tried by the test of a large amount of indoor bioassay and field efficacy
Test, after having been surprisingly found that benzo alkene fluorine bacterium azoles and chlorine nalidixic bacterium ester compound with certain proportion, to powdery mildew and gray mold
Have significant synergies.
Chlorine nalidixic bacterium ester, test code number: SYP-7017, molecular formula: C15H13Cl3N2O4, it is a kind of methoxy acrylic acid
Esters antibacterial.By at CYB cl to the electron transfer of cytochrome C, thus suppress mitochondrion
Breathing.The mechanism of action is different from benzo alkene fluorine bacterium azoles.
The technical scheme is that a kind of Synergistic bactericidal composition, it is characterised in that containing effective ingredient benzene
And alkene fluorine bacterium azoles and chlorine nalidixic bacterium ester, both mass ratioes are 1:50～50:1, preferred mass than for 1:20～20:1,
More preferably mass ratio is 1:10～10:1.
In the bactericidal composition of the present invention, the mass accumulation percentage composition of effective ingredient is 5%～85%, remaining
For auxiliary agent, filler and other be of value to effective ingredient storage and in using stable and drug effect play known
Material.
The bactericidal composition of the present invention can be processed into any dosage form agriculturally allowed, and preferable dosage form has breast
Oil, suspending agent, aqueous emulsion, water dispersible granules or wettable powder.
Other composition in cream includes solvent, cosolvent and emulsifying agent；Other composition in suspending agent includes
Dispersant, wetting agent, emulsifying agent, defoamer, antifreezing agent, thickening agent, preservative and water；In aqueous emulsion
Other compositions include solvent, emulsifying agent, antifreezing agent, defoamer and water；Other in water dispersible granules becomes
Divide and include dispersant, wetting agent, diffusant, disintegrating agent and filler；Other in wettable powder becomes subpackage
Include dispersant, wetting agent, diffusant and filler.Below it is all pesticidal preparations to be commonly used or allows the auxiliary of use
Co-ingredients, is not particularly limited, and concrete composition and consumption are determined by simple experiment according to recipe requirements.Example
As:
Solvent may select isopropanol, dimethylbenzene, N,N-dimethylformamide, ring ethyl ketone, toluene, dimethyl
Sulfoxide, methanol, ethanol, trimethyl cyclic ethylene ketone, NOP, N-Methyl pyrrolidone, third
In alcohol, butanol, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, vegetable oil one
Plant or multiple.
Cosolvent may select in N-Methyl pyrrolidone, dimethylformamide, ethanol, the third ethanol, acetone
One or more.
Dispersant may select sodium lignin sulfonate, calcium lignosulfonate, pull open powder, calcium dodecyl benzene sulfonate,
Polycarboxylate, alkyl benzene sulfonate calcium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, fatty acid
One or more in polyoxyethylene ester, fatty acid glyceride polyoxyethylene ether.
Emulsifying agent may select agriculture breast 600#(phenethyl phenol polyethenoxy ether), agriculture breast 1601#(phenethyl phenol gathers
Oxygen ethylene polyethenoxy ether), agriculture breast 500#(calcium dodecyl benzene sulfonate), OP series phosphate ester (nonyl phenol
Polyoxyethylene ether phosphate), 600#Phosphate ester (phenyl phenol polyoxyethanyl ether phosphate), styrene polyoxyethylene
Rice ammonium sulfate, alkyl biphenyl ether disulfonic acid magnesium salt, triethanolamine salt, agriculture breast 400#(styryl formaldehyde
Resin polyoxyethylene ether), Nongru-700#(alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 36#(phenethyl
Fluosite polyoxyethyl ether), agriculture breast 1600#(phenethyl phenol polyethenoxy ether polyethenoxy ether), epoxy
Oxide-propylene oxide block copolymer, OP series (NPE), agriculture breast 33#(alkyl virtue
Base polyoxyethylene polyoxypropylene ether), agriculture breast 34#(alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series
(sorbitan monostearate), TWEEN Series (sorbitan fatty acid ester polyoxyethylene ether), AEO
One or more in series (fat alcohol polyoxyethylenated alcohol).
Wetting agent may select methyl naphthalene sulfonate formaldehyde condensate, sodium lauryl sulphate, Negel,
Alkyl benzene calcium sulfonate, tea seed cake, spaonin powder, Bombyx mori L., Fructus Sapindi Mukouossi powder, Laurel alcohol radical sodium sulfate, detergent,
Pull open one or more in powder.
Diffusant may select one or more in naphthalene sulfonate, poly-naphthalene formaldehyde sulfonate salt, organosilicon.
Antifreezing agent may select one or more in glycerol, carbamide, ethylene glycol, propylene glycol.
Defoamer may select the one or many in metallic soap of stearic acid, polyureas, 20% aqueous emulsion of dimethyl polysiloxane fluid
Kind.
Preservative may select sodium benzoate, sodium propionate, butyl p-hydroxybenzoate, dimethyl fumarate, mountain
One or more in potassium sorbate, sodium diacetate.
Disintegrating agent may select ammonium sulfate, carbamide, bentonite, aluminum chloride, citric acid, succinic acid, bicarbonate
One or more in sodium.
Thickening agent may select xanthan gum, hydroxymethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol
In one or more.
Filler may select White Carbon black, Kaolin, precipitated calcium carbonate, Talcum, montmorillonite or convex-concave rod stone, floats
One or more in stone, brickbat, meerschaum or bentonite and non-adsorbent calcium soil or sand.
Compositions described in the invention can provide with finished product preparation form, and i.e. in compositions, each material has been
Mixing；Can also provide with unit dose form, directly be mixed in proportion in bucket or tank before using, then dilute
To required concentration.
The bactericidal composition of the present invention can be used for preventing and treating various fungus-caused plant disease, is particularly well-suited to prevent
Control vegetable, fruit tree, cereal crop powdery mildew and gray mold, such as powdery mildew of cucumber, uncinula necator, grass
Certain kind of berries powdery mildew, wheat powdery mildew, graw mold of tomato, gray mold of cucumber, grape grey mould, grey mould fruit rot of strawberry.
The bactericidal composition of the present invention can be used by common method, as leaching fruit, pouring root, smear, spray,
Spraying, dusting, spreading or be fuming, its amount of application is with weather condition, Crop growing stage and disease occurrence degree
Depending on.
Compared with prior art, what the present invention produced has the beneficial effect that (1) compositions potentiation is obvious,
Preventive effect significantly improves compared with single dose；(2), after drug effect improves, field dosage and use cost are reduced,
Decrease pesticide residues and environmental pollution；(3) compositions is made up of the effective ingredient of different mechanism of action, makees
Increase with site, be conducive to overcoming and delay pathogenic bacteria to produce resistance.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, the present invention is with in detail below
Embodiment illustrates, but the present invention is limited to absolutely not these examples.
The pesticide active ingredient of different types of structure is compounded, is to solve pesticide single dose at present to use process
One effective measures of the problems such as middle cost and resistance.After the pesticide active ingredient mixing of different types of structure,
Typically exhibit three kinds of type of action, i.e. summation action, potentiation and antagonism.But which kind of is specially
Effect, it is impossible to prediction, only just be can know that by lot of experiments.The good formula of compound synergic, can improve
Actual prevention effect, reduces Pesticide use dosage, contributes to the generation of delaying drug resistance, be the weight of resistance management
Want one of means.
The present composition has obvious synergistic function to powdery mildew of cucumber, wheat powdery mildew etc., and
Being not only the simple addition of two kinds of pharmacy effects, this can from the result that following Toxicity Determination is tested very
It is clear that.
Assays Example 1: benzo alkene fluorine bacterium azoles indoor virulence to cucumber powdery mildew's pathogen compounding with chlorine nalidixic bacterium ester is surveyed
Fixed test
Subjects: cucumber powdery mildew's pathogen (Sphaerotheca fuliginea (Sch.) Poll) (picks up from field
Between wild powdery mildew of cucumber strain, and separated purification)
Test method: test is with reference to People's Republic of China's agricultural industry criteria NY/T 1156.11-2008 " agriculture
Bioassay test criterion antibacterial the 11st part in coyote hole: preventing and treating cucurbits powdery mildew test pot-culture method ",
Employing pot-culture method measures.
Sowing susceptible cucumber variety, potted plant to grow to 2-4 leaf periods standby.The benzo alkene fluorine former medicine of bacterium azoles
Medicine former with chlorine nalidixic bacterium ester is respectively with dimethylformamide and acetone solution, then with 0.1% tween 80 surfactant
Aqueous solution dilutes.Often process 3 basins, repeat for 4 times, 10ml medicinal liquid is uniformly sprayed on blade face to whole moistenings,
Treat that medicinal liquid dries naturally standby.And set the process work sky not containing effective ingredient containing only solvent and surfactant
White comparison.24h after chemicals treatment, spray inoculation cucumber powdery mildew's pathogen spore suspension.Joining of spore suspension
Process processed is as follows: takes and covers with Powdery Mildew cucumber leaves, aseptic with added with a small amount of tween 80 surfactant
Spore is washed down by water, and double gauze filters, and is modulated into 1x10 after microscopy5The suspension of individual spore/milliliter.Connect
Plant and be placed in thermostatic chamber, cultivate 7 days under the conditions of temperature 24 DEG C.Treat that blank disease leaf rate reaches 80%
Time above, incidence is managed in classification investigation everywhere, calculates disease index and the prevention effect of each process.
Prevention effect is converted into probability value (y), and liquor strength (μ g/ml) is converted into logarithm value (x), with
Little square law calculates concentration EC in virulence equation and suppression50, calculate the toxicity index of medicament according to the abundant method of Sun Yun and be total to
Poison coefficient (CTC).
Actual measurement toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
Percentage composition+B medicament the virulence of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture
The percentage composition of B in index × mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theory toxicity index (TTI)]
×100
When CTC≤80, then compositions shows as antagonism, as 80 ＜ CTC ＜ 120, then and compositions performance
For summation action, when CTC >=120, then compositions shows as potentiation.Toxicity Determination the results detailed in
Table 1.
Table 1 benzo alkene fluorine bacterium azoles Toxicity Determination result of the test to cucumber powdery mildew's pathogen compounding with chlorine nalidixic bacterium ester
When result from table 1 is it can be seen that benzo alkene fluorine bacterium azoles and chlorine nalidixic bacterium ester are between proportioning 1:50～50:1,
Co-toxicity coefficient (CTC value) is all higher than 120, cucumber powdery mildew's pathogen is shown as potentiation, especially exists
Time between 1:10～10:1, co-toxicity coefficient is all higher than 160, and potentiation is the most obvious.
Assays Example 2: benzo alkene fluorine bacterium azoles indoor virulence to wheat powdery mildew compounding with chlorine nalidixic bacterium ester is surveyed
Fixed test
Subjects: wheat powdery mildew (Erysiphe graminis) (picks up from field Wild Wheats white lead
Pathogenic bacteria kind, and separated purification)
Test method: test is with reference to People's Republic of China's agricultural industry criteria NY/T 1156.4-2006 " agriculture
Bioassay test criterion antibacterial the 4th part in coyote hole: preventing and treating wheat powdery mildew test pot-culture method ",
Employing pot-culture method measures.
Select susceptible wheat breed potted plant, treat that seedling length is standby to 2 leaf-3 leaf phases.The benzo alkene fluorine former medicine of bacterium azoles
Medicine former with chlorine nalidixic bacterium ester is respectively with dimethylformamide and acetone solution, then with 0.1% tween 80 surfactant
Aqueous solution dilutes.Often process 3 basins, the strain of every basin 10, repeat, 10ml medicinal liquid is uniformly sprayed on Semen Tritici aestivi for 4 times
Seedling up to all moistenings, treat that medicinal liquid dries naturally standby, and set and do not contain containing only solvent and surfactant
Blank is made in the process of effect composition.24h after chemicals treatment is white by produce in 24h on morbidity wheat leaf blade
Powder pathogenic bacteria Fresh spores uniformly is shaken off to be inoculated on the 2-3 leaf phase potted plant Caulis et Folium Tritici aestivi of process, and inoculation is placed on suitable
Cultivate under the conditions of Yi.Semen Tritici aestivi to be compareed fully is fallen ill all blades of " Invest, Then Investigate " every basin Caulis et Folium Tritici aestivi, and calculates each
The disease index processed and prevention effect.
Co-toxicity coefficient computational methods refer to table with above-mentioned Assays Example 1, Toxicity Determination result of the test
2。
Table 2 benzo alkene fluorine bacterium azoles Toxicity Determination result of the test to wheat powdery mildew compounding with chlorine nalidixic bacterium ester
When result from table 2 is it can be seen that benzo alkene fluorine bacterium azoles and chlorine nalidixic bacterium ester are between proportioning 1:50～50:1,
Co-toxicity coefficient (CTC value) is all higher than 120, wheat powdery mildew is shown as potentiation, especially exists
Time between 1:10～10:1, listed proportioning co-toxicity coefficient is all higher than 162, and potentiation is the most obvious.
Bactericidal composition of the present invention can with known method be prepared as be suitable for agriculturally use cream, suspension
Agent, aqueous emulsion, water dispersible granules or wettable powder.The following stated is only the preferable embodiment of the present invention,
Only in order to explain the present invention, therefore the restriction to the scope of the claims of the present invention can not be interpreted as.
Cream embodiment
Active component, solvent, cosolvent and emulsifying agent etc. being added in preparation still in certain sequence, stirring is all
Even reach certain index and i.e. make missible oil product.
Example of formulations 1,20% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester cream
Benzo alkene fluorine bacterium azoles 10%, chlorine nalidixic bacterium ester 10%, phenethyl phenol polyethenoxy ether (emulsifying agent) 5%,
Alkyl phenol formaldehyde resin polyoxyethylene ether (emulsifying agent) 2%, calcium dodecyl benzene sulfonate (emulsifying agent) 5%,
Isopropanol (cosolvent) 4.5%, dimethylbenzene (solvent) are supplemented to 100%.
Example of formulations 2,21% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester cream
Benzo alkene fluorine bacterium azoles 20%, chlorine nalidixic bacterium ester 1%, phenethyl phenol polyethenoxy polyethenoxy ether (emulsifying agent)
4.5%, alkyl phenol formaldehyde resin polyoxyethylene ether (emulsifying agent) 2%, calcium dodecyl benzene sulfonate (emulsifying agent)
5%, Ketohexamethylene (cosolvent) 5%, dimethylbenzene (solvent) are supplemented to 100%.
Suspending agent embodiment
By active component, dispersant, wetting agent, defoamer, antifreezing agent, thickening agent, preservative and water etc.
Each component, in the ratio mix homogeneously of formula, obtains semi-finished product after sand milling and high speed shear, adds after analysis
Water mix homogeneously filters and i.e. obtains suspending agent.
Example of formulations 3,25.5% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester suspending agent
Benzo alkene fluorine bacterium azoles 0.5%, chlorine nalidixic bacterium ester 25%, calcium dodecyl benzene sulfonate (dispersant) 3.5%,
Pull open powder (wetting agent) 1%, xanthan gum (thickening agent) 0.2%, ethylene glycol (antifreezing agent) 4%, 20% gather
Dimethylsiloxane emulsion (defoamer) 0.4%, sodium benzoate (preservative) 0.2%, water are supplemented to 100%.
Example of formulations 4,21% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester suspending agent
Benzo alkene fluorine bacterium azoles 16%, chlorine nalidixic bacterium ester 5%, calcium lignosulfonate (dispersant) 3%, pull open powder
(wetting agent) 1%, xanthan gum (thickening agent) 0.2%, ethylene glycol (antifreezing agent) 4%, 20% poly dimethyl
Silicone emulsion (defoamer) 0.4%, sodium benzoate (preservative) 0.25%, water are supplemented to 100%.
Example of formulations 5,30% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester suspending agent
Benzo alkene fluorine bacterium azoles 5%, chlorine nalidixic bacterium ester 25%, calcium lignosulfonate (dispersant) 3%, alkylbenzene
Sulfoacid calcium (wetting agent) 2%, xanthan gum (thickening agent) 0.15%, ethylene glycol (antifreezing agent) 4%, 20%
Aqueous emulsion of dimethyl polysiloxane fluid (defoamer) 0.4%, sodium benzoate (preservative) 0.25%, water are supplemented to 100%.
Example of formulations 6,10.5% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester suspending agent
Benzo alkene fluorine bacterium azoles 0.5%, chlorine nalidixic bacterium ester 10%, alkyl benzene sulfonate calcium salt (dispersant) 2.5%, ten
Sodium dialkyl sulfate (wetting agent) 1%, xanthan gum (thickening agent) 0.5%, ethylene glycol (antifreezing agent) 4%,
20% aqueous emulsion of dimethyl polysiloxane fluid (defoamer) 0.4%, sodium benzoate (preservative) 0.15%, water supplement
To 100%.
Example of formulations 7,20.5% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester suspending agent
Benzo alkene fluorine bacterium azoles 20%, chlorine nalidixic bacterium ester 0.5%, alkylphenol polyoxyethylene (dispersant) 3%, draw
Open powder (wetting agent) 1%, xanthan gum (thickening agent) 0.2%, ethylene glycol (antifreezing agent) 4%, 20% poly-two
Methylsiloxane emulsion (defoamer) 0.4%, sodium benzoate (preservative) 0.25%, water are supplemented to 100%.
Aqueous emulsion embodiment
In solvent, successively add pesticide activity component, emulsifying agent and defoamer in proportion, be sufficiently stirred for dissolving
Making high concentration mother solution, add deionized water and stir, be subsequently adding antifreezing agent, analytical control is closed
Aqueous emulsion product is prepared after lattice.
Example of formulations 8,10% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester aqueous emulsion
Benzo alkene fluorine bacterium azoles 5%, chlorine nalidixic bacterium ester 5%, calcium dodecyl benzene sulfonate (emulsifying agent) 5%, benzene second
Base phenol polyethenoxy polyethenoxy ether (emulsifying agent) 3%, ethylene glycol (antifreezing agent) 4%, 20% poly dimethyl
Silicone emulsion (defoamer) 0.4%, N-Methyl pyrrolidone (solvent) 15%, water are supplemented to 100%.
Example of formulations 9,5% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester aqueous emulsion
Benzo alkene fluorine bacterium azoles 2%, chlorine nalidixic bacterium ester 3%, calcium dodecyl benzene sulfonate (emulsifying agent) 5%, alkyl
Fluosite polyoxyethylene ether (emulsifying agent) 3%, ethylene glycol (antifreezing agent) 4%, 20% poly dimethyl silicon
Oxygen alkane emulsion (defoamer) 0.4%, dimethylbenzene (solvent) 20%, water are supplemented to 100%.
Example of formulations 10,25.5% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester aqueous emulsion
Benzo alkene fluorine bacterium azoles 25%, chlorine nalidixic bacterium ester 0.5%, calcium dodecyl benzene sulfonate (emulsifying agent) 2%, benzene
Ethyl phenol polyoxyethylene ether polyethenoxy ether (emulsifying agent) 4%, alkyl phenol formaldehyde resin polyoxyethylene ether (breast
Agent) 4%, ethylene glycol (antifreezing agent) 4%, 20% aqueous emulsion of dimethyl polysiloxane fluid (defoamer) 0.4%,
Ring ethyl ketone (solvent) 20%, water are supplemented to 100%.
Water dispersible granules embodiment
By the mixing mixing of pesticide activity component, dispersant, wetting agent, diffusant, disintegrating agent and filler, warp
Coarse pulverization and comminution by gas stream, then carry out mediating and extruder grain, dried screened prepared water dispersible granules produces
Product.
Example of formulations 11,85% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester water dispersible granules
Benzo alkene fluorine bacterium azoles 50%, chlorine nalidixic bacterium ester 35%, sodium lauryl sulphate (wetting agent) 3%, wooden
Element sulfoacid calcium (dispersant) 5%, naphthalene sulfonate (diffusant) 4%, Kaolin (filler) complement to 100%.
Example of formulations 12,20.5% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester water dispersible granules
Benzo alkene fluorine bacterium azoles 0.5%, chlorine nalidixic bacterium ester 20%, Laurel alcohol radical sodium sulfate (wetting agent) 2%, wooden
Element sulfoacid calcium (dispersant) 6%, naphthalene sulfonate (diffusant) 6%, carbamide (disintegrating agent) 8%, convex-concave
Rod stone (filler) complements to 100%.
Example of formulations 13,44% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester water dispersible granules
Benzo alkene fluorine bacterium azoles 40%, chlorine nalidixic bacterium ester 4%, Fructus Sapindi Mukouossi powder (wetting agent) 3%, lignin sulfonic acid
Calcium (dispersant) 12%, poly-naphthalene formaldehyde sulfonate salt (diffusant) 6%, bentonite (disintegrating agent) 10%,
Kaolin (filler) complements to 100%.
Example of formulations 14,62% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester water dispersible granules
Benzo alkene fluorine bacterium azoles 2%, chlorine nalidixic bacterium ester 60%, sodium lauryl sulphate (wetting agent) 4%, wooden
Element sulfoacid calcium (dispersant) 10%, naphthalene sulfonate (diffusant) 6%, ammonium sulfate (disintegrating agent) 6%, height
Ridge soil (filler) complements to 100%.
Wettable powder embodiment
Pesticide activity component, wetting agent, dispersant, diffusant and filler etc. are mixed in proportion successively, warp
Prepared wettable powder product is remixed after comminution by gas stream.
Example of formulations 15,30% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester wettable powder
Benzo alkene fluorine bacterium azoles 25%, chlorine nalidixic bacterium ester 5%, sodium lauryl sulphate (wetting agent) 2.5%, wooden
Element sulfoacid calcium (dispersant) 6%, naphthalene sulfonate (diffusant) 3%, Kaolin (filler) complement to 100%.
Example of formulations 16,22% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester wettable powder
Benzo alkene fluorine bacterium azoles 2%, chlorine nalidixic bacterium ester 20%, Laurel alcohol radical sodium sulfate (wetting agent) 3%, wooden
Element sulfoacid calcium (dispersant) 6%, naphthalene sulfonate (diffusant) 3%, white carbon (filler) 8%, swelling
Soil (filler) complements to 100%.
Example of formulations 17,15.5% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester wettable powder
Benzo alkene fluorine bacterium azoles 15%, chlorine nalidixic bacterium ester 0.5%, sodium lauryl sulphate (wetting agent) 2%, wooden
Element sulfoacid calcium (dispersant) 6%, naphthalene sulfonate (diffusant) 4%, white carbon (filler) 6%, convex-concave
Rod stone (filler) complements to 100%.
Example of formulations 18,42% benzo alkene fluorine bacterium azoles chlorine nalidixic bacterium ester wettable powder
Benzo alkene fluorine bacterium azoles 2%, chlorine nalidixic bacterium ester 40%, sodium lauryl sulphate (wetting agent) 3%, wooden
Element sulfoacid calcium (dispersant) 8%, naphthalene sulfonate (diffusant) 4%, white carbon (filler) 8%, kaolinite
Soil (filler) complements to 100%.
Field information embodiment 1: benzo alkene fluorine bacterium azoles field control effectiveness test to powdery mildew of cucumber compounding with chlorine nalidixic bacterium ester
Testing and carry out in Ye Tang town, Meizhou, Guangdong Province Xingning City in the 6-7 month in 2014, experimental field Fructus Cucumidis sativi over the years is white
Powder disease occurs serious.Test medicine and dosage refer to table 3, often process 4 times and repeat, plot area 20m2, altogether
44 communities, random district group arranges.Using conventional nebulization, medicinal liquid consumption is 750L/hm2, uniformly spray
Herb, with squirt blade do not drip for degree.Dispenser for the first time is carried out, after 7 days at powdery mildew of cucumber their early stage
Carry out second time dispenser, separately set clear water and be processed as blank.State of an illness radix is investigated, for the second time before dispenser
Before dispenser and second time dispenser after 12 days investigation prevention effects.
Table 3 benzo alkene fluorine bacterium azoles field control effectiveness test result to powdery mildew of cucumber compounding with chlorine nalidixic bacterium ester
Result of the test from table 3 is it can be seen that the embodiment of the present invention has preferably preventing and treating to powdery mildew of cucumber
Effect, the preventive effect before dispenser is 75.47%～87.84% for the second time, and after dispenser, the preventive effect of 12 days is for the second time
85.22%～96.81%, hence it is evident that be better than compareing medicament 10% benzo alkene fluorine bacterium azole suspending agent and 15% chlorine nalidixic bacterium ester water
The preventive effect 68.63%, 76.71% and 64.95%, 73.17% of Emulsion.Under corresponding test dose, reagent agent
Can effectively control the occurrence injury of powdery mildew of cucumber, the lasting period is longer, has homochronous gray mold of cucumber
Double control effect.During test, reagent agent, to trial crops safety, occurs without poisoning, to Apis and natural enemy
The beneficial organism safety such as trichogramma.
Field information embodiment 2: benzo alkene fluorine bacterium azoles field control effectiveness test to uncinula necator compounding with chlorine nalidixic bacterium ester
Testing and carry out in Yangling District Li Tai township of Xianyang, Shanxi province city in June, 2014, uncinula necator over the years is sent out
Raw serious.Test medicine and dosage refer to table 4, often process 4 times and repeat, plot area 20m2, totally 44
Community, random district group arranges.Using conventional nebulization, medicinal liquid consumption is 1800L/hm2, uniformly spray Herb,
With squirt blade do not drip for degree.Carry out dispenser for the first time at uncinula necator their early stage, carry out after 20 days
Dispenser for the second time, separately sets clear water and is processed as blank.State of an illness radix, for the second time dispenser is investigated before dispenser
Before and second time dispenser after 14 days investigation prevention effects.
Table 4 benzo alkene fluorine bacterium azoles field test results to uncinula necator compounding with chlorine nalidixic bacterium ester
Result of the test from table 4 is it can be seen that the embodiment of the present invention has preferably preventing and treating to uncinula necator
Effect, the preventive effect before dispenser is 73.44%～87.68% for the second time, and after dispenser, the preventive effect of 14 days is for the second time
86.75%～95.35%, hence it is evident that be better than compareing medicament 10% benzo alkene fluorine bacterium azole suspending agent and 15% chlorine nalidixic bacterium ester water
The preventive effect 69.91%, 77.25% and 63.38%, 70.34% of Emulsion.Under corresponding test dose, reagent agent
Can effectively control the occurrence injury of uncinula necator, the lasting period is longer.During test, reagent agent is to test
Crop safety, occurs without poisoning, to beneficial organism safety such as Apis and natural enemy trichogrammas.
Field information embodiment 3: benzo alkene fluorine bacterium azoles field control effectiveness test to graw mold of tomato compounding with chlorine nalidixic bacterium ester
Testing and carry out in Huizhou Boluo County in July, 2014, experimental field graw mold of tomato over the years is sent out
Raw serious.Test medicine and dosage refer to table 5, often process 4 times and repeat, plot area 20m2, totally 44
Community, random district group arranges.Using conventional nebulization, medicinal liquid consumption is 750L/hm2, uniformly it is sprayed at leaf
Sheet positive and negative, with squirt blade do not drip for degree.Carry out spraying at graw mold of tomato their early stage to prevent and treat, 7 days
After carry out second time dispenser, separately set clear water and be processed as blank.State of an illness radix is investigated before first time dispenser,
14 days investigation prevention effects after dispenser for the second time.
Table 5 benzo alkene fluorine bacterium azoles field control effectiveness test result to graw mold of tomato compounding with chlorine nalidixic bacterium ester
Result of the test from table 5 is it can be seen that the embodiment of the present invention has preferably preventing and treating to graw mold of tomato
Effect, after dispenser, the preventive effect of 14 days is 79.31%～90.97% for the second time, hence it is evident that be better than compareing medicament 10% benzene
And alkene fluorine bacterium azole suspending agent and the preventive effect 68.09% and 62.58% of 15% chlorine nalidixic bacterium ester aqueous emulsion.In corresponding test
Under dosage, reagent agent can effectively control the occurrence injury of graw mold of tomato, and the lasting period is longer.During test,
Reagent agent, to trial crops safety, occurs without poisoning, to beneficial organism safety such as Apis and natural enemy trichogrammas.
Field information embodiment 4: benzo alkene fluorine bacterium azoles field control effectiveness test to grey mould fruit rot of strawberry compounding with chlorine nalidixic bacterium ester
Test and carry out in Shilou County town, Fanyu District, Guangzhou, Guangdong in February, 2015, experimental field Fructus Fragariae Ananssae ash over the years
Mildew occurs serious.Test medicine and dosage refer to table 6, often process 4 times and repeat, plot area 30m2, altogether
44 communities, random district group arranges.Using conventional nebulization, medicinal liquid consumption is 750L/hm2, uniformly spray
Herb, with squirt blade do not drip for degree.Dispenser for the first time is carried out, after 7 days at grey mould fruit rot of strawberry their early stage
Carry out second time dispenser, separately set clear water and be processed as blank.State of an illness radix is investigated, for the second time before dispenser
Before dispenser and second time dispenser after 10 days investigation prevention effects.
Table 6 benzo alkene fluorine bacterium azoles field control effectiveness test result to grey mould fruit rot of strawberry compounding with chlorine nalidixic bacterium ester
Result of the test from table 6 is it can be seen that the embodiment of the present invention has preferably preventing and treating to grey mould fruit rot of strawberry
Effect, the preventive effect before dispenser is 63.08%～77.76% for the second time, and after dispenser, the preventive effect of 10 days is for the second time
78.46%～90.97%, hence it is evident that be better than compareing medicament 10% benzo alkene fluorine bacterium azole suspending agent and 15% chlorine nalidixic bacterium ester water
The preventive effect 61.12%, 56.27% and 69.07%, 63.14% of Emulsion.Under corresponding test dose, reagent agent
Can effectively control the occurrence injury of grey mould fruit rot of strawberry, the lasting period is longer, has homochronous powdery mildew of strawberry
Double control effect.During test, reagent agent, to trial crops safety, occurs without poisoning, to Apis and natural enemy
The beneficial organism safety such as trichogramma.
Claims (6)
1. the bactericidal composition containing benzo alkene fluorine bacterium azoles, it is characterised in that: having of described bactericidal composition
Effect composition is benzo alkene fluorine bacterium azoles and chlorine nalidixic bacterium ester, and both mass ratioes are 1:50～50:1.
Bactericidal composition the most according to claim 1, it is characterised in that: effective ingredient benzo alkene fluorine bacterium
The mass ratio of azoles and chlorine nalidixic bacterium ester is 1:20～20:1.
Bactericidal composition the most according to claim 2, it is characterised in that: effective ingredient benzo alkene fluorine bacterium
The mass ratio of azoles and chlorine nalidixic bacterium ester is 1:10～10:1.
4. according to the bactericidal composition described in any one of claims 1 to 3, it is characterised in that: Bactericidal composite
In thing, the gross mass percentage composition of effective ingredient is 5%～85%.
Bactericidal composition the most according to claim 4, it is characterised in that: the agent of described bactericidal composition
Type is cream, suspending agent, aqueous emulsion, water dispersible granules or wettable powder.
6. bactericidal composition described in claim 1 is for preventing and treating the purposes of crop powdery mildew and gray mold.
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| EP2719280A1 (en) * | 2012-10-11 | 2014-04-16 | Bayer CropScience AG | Use of N-phenylethylpyrazole carboxamide derivatives or salts thereof for resistance management of phytopathogenic fungi |
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| EP2719280A1 (en) * | 2012-10-11 | 2014-04-16 | Bayer CropScience AG | Use of N-phenylethylpyrazole carboxamide derivatives or salts thereof for resistance management of phytopathogenic fungi |
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