CN101779675A - Sterilization composition containing difenoconazole - Google Patents
Sterilization composition containing difenoconazole Download PDFInfo
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- CN101779675A CN101779675A CN200910259846A CN200910259846A CN101779675A CN 101779675 A CN101779675 A CN 101779675A CN 200910259846 A CN200910259846 A CN 200910259846A CN 200910259846 A CN200910259846 A CN 200910259846A CN 101779675 A CN101779675 A CN 101779675A
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- difenoconazole
- bactericidal composition
- wuyiencin
- bacterium ketone
- composition
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Abstract
The invention relates to a sterilization composition, in particular to a sterilization composition comprising difenoconazole with increased effective quantity and any one sterilization active ingredient selected from famoxadone and wuyiencin, wherein the proportion by weight of the difenoconazole to the any one sterilization active ingredient selected from famoxadone and wuyiencin is changed in a wider range, 50:1 to 1:20 is preferred, and 20:1 to 1:10 is more preferred.
Description
Technical field
The present invention relates to a kind of Synergistic bactericidal composition, particularly relate to a kind of Synergistic bactericidal composition that comprises arbitrary fungicide active ingredient of Difenoconazole and Xuan Zi oxazole bacterium ketone and Wuyiencin.
Background technology
Difenoconazole (difenoconazole), 1-(2-[4-(4-chlorobenzene oxygen)-2-chlorphenyl]-the 4-methyl isophthalic acid, 3-dioxin-pentane-2-ylmethyl)-H-1,2, the 4-triazole, belong to triazole type fungicide, it is a kind of interior wide-spectrum bactericide of inhaling, ergosterol demethylation inhibitor, the mechanism of action is to destroy ergosterol synzyme demethylation in the fungal cell wall chitin is synthetic, suppresses synthesizing of ergosterol, causes that fungal cell wall is chitinous to break, cause cytoplasmic slime flux, cause cell death.Diseases such as leaf spot, powdery mildew, rust and scab to various vegetables and fruit tree have better therapeutic effect.
Oxazole bacterium ketone (famoxadone); 3-anilino--5-methyl-5-(4-Phenoxyphenyl)-1; 3-azoles quinoline-2; the 4-diketone; the energy inhibitor is the mitochondria electron transfer inhibitor; cromoci oxidoreductase among the complex III there is inhibitory action, has protection, treat, root out, infiltration, systemic activity.Suitable crop such as wheat, barley, pea, beet, rape, grape, potato, pawl class, capsicum, tomato etc.Be mainly used in the important disease of preventing and treating in Ascomycetes, Basidiomycetes, the oomycetes subclass such as powdery mildew, rust, glume blight, net blotch, downy mildew, late blight etc.
Wuyiencin; it is a kind of streptomycete series bactericidal agent; belong to low toxicity, efficient, wide spectrum and the strong sterilization antibiotic medicament of interior absorption; have protection and therapeutic action; can suppress the synthetic of pathogen protein, and suppress pathogen thalline mycelial growth, sporulation, sprouting and influence the somatic cells membrane permeability.Can carry out induction of resistance to plant, all plants all have the certain basis resistance to pathogen, and the various plants disease fungus is had stronger inhibitory action.
The inventor studies have shown that by a series of arbitrary fungicide active ingredient of Difenoconazole and Xuan Zi oxazole bacterium ketone and Wuyiencin is mixed the target bacterium is had extremely strong synergistic effect, has improved bactericidal activity greatly, thereby has finished the present invention.
Summary of the invention
The object of the present invention is to provide a kind of mixed ratio reasonable, control efficiency is good, the Synergistic bactericidal composition that drug cost is low.
Another object of the present invention is to provide by formulations such as the formulated missible oil of this bactericidal composition, microemulsion, aqueous emulsion, suspending agent, aqua, wetting powder, water dispersible granules, granules.
Another object of the present invention is to provide the purposes that this bactericidal composition is used to prevent and treat the microbial powdery mildew of ascus, sigatoka etc.
Technical scheme of the present invention is as described below:
A kind of bactericidal composition is characterized in that containing the Difenoconazole of synergy effective dose and arbitrary fungicide active ingredient of Xuan Zi oxazole bacterium ketone and Wuyiencin.
Wherein, the weight ratio of arbitrary fungicide active ingredient of Difenoconazole and Xuan Zi oxazole bacterium ketone and Wuyiencin can change in very wide scope, is preferably 50: 1～1: 20, more preferably 20: 1～1: 10.
And Difenoconazole is Yu the weight ratio of oxazole bacterium ketone more preferably 5: 1～1: 8; The weight ratio of Difenoconazole and Wuyiencin more preferably 15: 1～1: 3.
Active component can be 0.5% to 95% of gross weight in the bactericidal composition of the present invention.
Except above-mentioned fungicidal activity composition, also can comprise various auxiliary agents and/or the carrier that other are known in the bactericidal composition of the present invention.That is to say that bactericidal composition of the present invention can be by adding the preparation that other known auxiliary agents and/or carrier are mixed with missible oil, aqueous emulsion, microemulsion, suspending agent, aqua, wetting powder, water dispersible granules or other formulations.
In these preparations, except that active component, all contain surfactant, and also can contain thinners such as organic solvent (the optional cosolvent that contains), carrier or water, add other functional aids such as antifreeze, thickener, stabilizing agent, defoamer, disintegrant in case of necessity according to different dosage form.Surfactant can be emulsifier, dispersant, wetting agent or bleeding agent.Surfactant can be nonionic with ionic, also can be two or more compound uses.
Described emulsifier is alkylphenol-polyethenoxy (polyoxypropylene) ether, benzylphenol APEO, phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, polyoxyethylene carboxylate, phenethyl phenol polyethenoxy polyethenoxy ether, castor oil ethylene oxide adduct, alkylphenol polyoxyethylene formaldehyde condensation products, and the phosphate of these compounds, alkyl benzene sulphonate (calcium salt or sodium salt) or directly use commercially available emulsifier monomer and composite product.Concrete example is as farming breast 500
#Series, 600
#Series, 1600
#Series, NP is serial, OP is serial, AEO is serial, 700
#, 400
#Serial and composite kind 2201,0203B, 2021B, 4103 etc., these all are emulsifier productions well known in the art, market is on sale.
Described dispersant; wetting agent; bleeding agent comprises lignosulfonates (sodium salt or calcium salt); Negel; condensation compound of methyl naphthalene sulfonic acid and formaldehyde sulphate; naphthalene sulfonic acid-formaldehyde condensation product; methanonaphthalene sodium sulfonate dibutyl naphthalene sulfonic acid-formaldehyde condensation product; N-methyl fatty acyl group sodium taurocholate; alkylphenol polyoxyethylene formaldehyde condensation products sulphate; polymerization of carboxylic acid sodium; the alkylphenol polyoxyethylene phosphate; the withered powder of tea; saponin; lignosulfite; aliphatic alcohol sulfate; dodecyl sodium sulfate; alkylbenzenesulfonate; penetrant t; bleeding agent OT; fatty acid amide-N methyl taurine sodium salt; sodium sulfate of polyethenoxy ether of fatty alcohol; draw back powder; JFC; can use separately, also can compoundly use.Above-mentioned surfactant all is materials well known in the art, can obtain by various commercial channel.
Described solvent, cosolvent comprise toluene, dimethylbenzene, chlorobenzene, solvent naphtha, alpha-methyl-naphthalene, turpentine oil, carrene, chloroform, methyl alcohol, ethanol, isopropyl alcohol, butanols, isoamyl alcohol, cyclohexanone, isophorone, acetophenone, ethyl acetate, butyl acetate, N.N-dimethyl formamide, dimethyl sulfoxide (DMSO), methyl cellosolve, ethyl cellosolve etc.
Described antifreeze comprises ethylene glycol, glycerine, propane diols, urea, glycerine, ether diglycol, polyethylene glycol, isopropyl alcohol etc.
Described carrier, filler comprise white carbon, precipitated calcium carbonate, potter's clay, attapulgite, kaolin, diatomite, bentonite, sepiolite, zeolite, quartz sand, talcum powder, can use separately, also can two kinds or above mixing use.
Described disintegrant has sodium alginate, sodium carboxymethyl starch, sulfuric acid amine, bentonite, urea, calcium chloride.
Described defoamer has bubble enemy, silicone, C
8-10Fatty alcohol, C
10-20Saturated fat acids (as capric acid, stearic acid etc.) and amide-type.
Described binding agent comprises starch, dextrin, gum Arabic, soybean protein, gelatine, sodium sulphate, gypsum, polyvinyl alcohol, polyethylene glycol, rosin, paraffin, CMC, sodium silicate.Can use separately, also can two or morely use with.
Can contain toner in the preparation, inorganic pigment iron oxide for example, titanium oxide or Prussian blue; Organic dyestuff is as A Lizhalin, azo dyes, metal phthalocyanine or kiton colors.In water-base preparation, for preventing moldy metamorphism, need to add a certain amount of preservative, described preservative has Sodium Benzoate, polyformaldehyde, sorbitol, formalin, citric acid, to yl benzoic acid methyl esters, O-SyL sodium, 1,2-benzisothiazole-3-ketone (code name BIT) etc.
The product that the present invention describes can be the finished product preparation form to be provided, and promptly each material mixes in the composition, but the composition of composition also can provide directly mixing in bucket (jar) before using with independent preparation.Concentrate of the present invention mixes the concentration that obtains required active substance usually with water.
Composition of the present invention can be used for various plants, as Chinese cabbage, wild cabbage, cauliflower, wax gourd, cucumber, tomato, lichee, grape, wheat, rape, potato, tobacco and flowers etc.The place of using of the product that composition of the present invention and carrier are made is farmland, orchard or warehouse etc.
Composition of the present invention also can with other compound with weeding, desinsection or bactericidal property particularly the protective fungicide agent composition use, also can use with nematocide, protective agent, growth regulator, nutrient for plants or soil conditioner mixture.Composition of the present invention can be used by common method, as cast, injection, spraying.Amount of application of the present invention is with weather condition or crop state variation, and time of application can be before or after crop be susceptible.The duration of protective effect is usually relevant with the content of individualized compound in the composition, also relevant with extraneous factor, weather for example, but by using suitable formulation can slow down climatic influences.
The remarkable advantage of composition of the present invention: the one, composition shows extremely strong synergistic effect in certain ratio range, the bactericidal effect of mixed composition is significantly improved than its single agent, thereby reduced using dosage, when reducing peasant's drug cost, reduced influence degree.The 2nd, interracial structure differs bigger, and the resistance that the application of said composition can delay single agent takes place and development.
Embodiment:
The present invention is elaborated with following specific embodiment, so that advantage of the present invention is more obvious, but the present invention is limited to these examples absolutely not.Percentage all is weight percentage in the prescription of all preparations, and the processing of biologically-active moiety is effective content.
One, formulation Example:
1, the preparation of missible oil
By the prescription requirement, add solvent, former medicine, emulsifier respectively, mix, use the hot bath heating for dissolving in case of necessity, promptly obtain transparence missible oil.As embodiment 1 prescription.
Embodiment 1 (15% missible oil)
Difenoconazole 7% ， oxazole bacterium ketone 8%, farming breast 507
#10%, agricultural newborn OX-6533%, methyl alcohol 10%, dimethylbenzene complements to 100%.
2, the preparation of wetting powder
By the prescription requirement, former medicine, various auxiliary agent and filler etc. are fully mixed, after ultrafine crusher is pulverized, promptly obtain converted products.As embodiment 2～3 prescriptions.
Embodiment 2 (8% wetting powder)
Difenoconazole 6%, Wuyiencin 2%, lauryl sodium sulfate 1.5%, carboxymethyl cellulose 1%, sodium lignin sulfonate 10%, precipitated calcium carbonate complements to 100%.
Embodiment 3 (16% wetting powder)
Difenoconazole 8% ， oxazole bacterium ketone 8%, neopelex 1%, white carbon 10%, sodium lignin sulfonate 10%, precipitated calcium carbonate complements to 100%.
3, the preparation of aqueous emulsion
Former medicine, solvent, emulsifier added with co-emulsifier be in the same place, make dissolving be even oil phase.Water, antifreeze etc. is mixed, becomes the homogeneous water.Under high-speed stirred, water is joined oil phase or oil phase is joined water, form the aqueous emulsion of favorable dispersibility.As embodiment 4 prescriptions.
Embodiment 4 (10% aqueous emulsion)
Difenoconazole 4% ， oxazole bacterium ketone 6%, polyvinyl alcohol 0.9%, alkylaryl polyoxyethylene propylene ether 8.5%, farming breast 2,201 15%, dimethyl formamide 12%, ethylene glycol 5%, water complements to 100%.
4, the preparation of water-dispersible granules
Former medicine and powder carrier, wetting spreader and binding agent etc. are mixed pulverizing, after adding water again and mediating, add in the comminutor that the certain specification screen cloth is housed and carry out granulation.And then drying, screening (pressing the screen cloth scope) promptly gets granular product.As embodiment 5 prescriptions.
Embodiment 5 (15% water-dispersible granules)
Difenoconazole 5% ， oxazole bacterium ketone 10%, methanonaphthalene sodium sulfonate 5%, epoxidized polyether 5%, sodium sulphate, gypsum complements to 100%.
5, the preparation of suspending agent
By the prescription requirement, be medium with water, former medicine, dispersant, suspending agent and antifreezing agent etc. are added in the sand milling still, carry out porphyrize, make suspending agent.As embodiment 6 prescriptions.
Embodiment 6 (20% suspending agent)
Difenoconazole 6% ， oxazole bacterium ketone 14%, methyl naphthalene sulfonic acid naphthaldehyde condensation compound 2.5%, bentonite 1.0%, farming breast 16013%, glycerine 4%, silicone a little, water complements to 100%.
6, the preparation of microemulsion
Former medicine, solvent, emulsifier added with co-emulsifier be in the same place, make dissolving be even oil phase.Water, antifreeze etc. is mixed, becomes the homogeneous water.Under high-speed stirred, water is joined oil phase or oil phase is joined water, form the microemulsion of favorable dispersibility.As embodiment 7 prescriptions.
Embodiment 7 (20% microemulsion)
Difenoconazole 6% ， oxazole bacterium ketone 14%, dimethylbenzene 12%, phenyl xenol polyvinylether 15%, ring ethanol 8%, ethylene glycol 8%, water complements to 100%.
7, the preparation of aqua
By the prescription requirement, required solvent is injected reaction pot, add all pesticide original medicines then, stir and make its dissolving, add auxiliary agent more successively, emulsifier, last first alcohol and water is made aqua.As embodiment 8 prescriptions.
Embodiment 8 (10% aqua)
Difenoconazole 8%, Wuyiencin 2%, dimethyl formamide 10%, Gao Jinsai ketone 1.5～6%, fatty alcohol-polyoxyethylene ether 5%, alkylphenol polyoxyethylene 5%, fatty diglycollic amide 5%, sulfonic acid 2%, alcohol or water are mended to 100%.
Two, biological Examples
The joint toxicity measuring of test example 1 Difenoconazole and Wuyiencin
For the examination bacterium
Powdery mildew of cucumber (Sphaerotheca Fuligenea (Schlecht) Poll.)
For the examination cucumber variety
" the close thorn in Shandong ", cucumber is potted plant to be cultured to two open and flat phases of few leaf in the greenhouse.
The experimental concentration design
Difenoconazole list agent concentration of treatment is 16,8,4,2,1 μ g/ml, Wuyiencin list agent concentration of treatment is 6.4,3.2,1.6,0.8,0.4 μ g/ml, five concentration gradients are also established in the test of combination medicament, and other establishes the blank of not dosing, and each is handled 4 times and repeats.
Test method
With the pure water that is added with low quantity of surfactant (as Tween-80 etc.), wash and get the fresh spore that covers with on the white powder germ plant leaf blade, filter with double gauze, making spore concentration is 1 * 10
5The suspension of individual spore/mL, standby.Soup is evenly sprayed in the blade face to all wetting, treat behind the soup natural air drying standby.Use the spore suspension spray inoculation.24h inoculation before chemicals treatment.Postvaccinal examination material natural air drying moves to thermostatic chamber then, cultivates 7d～10d under the condition of 20 ℃～24 ℃ of temperature.
Investigation and method of counting
By medicine inspecting institute of the Ministry of Agriculture " agricultural chemicals indoor bioassay test rule " method, treat that the sick leaf rate of blank reaches 80% when above, the classification investigation state of an illness condition of getting a haircut everywhere, 30 leaves are investigated in every processing at least, and grade scale is: 0 grade: anosis;
1 grade: lesion area accounts for below 5% of one-piece blade area;
3 grades: lesion area accounts for 5%～15% of one-piece blade area;
5 grades: lesion area accounts for 15%～25% of one-piece blade area;
7 grades: lesion area accounts for 25%～50% of one-piece blade area;
9 grades: lesion area accounts for 50%～75% of one-piece blade area;
11 grades: lesion area accounts for more than 75% of one-piece blade area.According to survey data, calculate disease index and control efficiency that each is handled.Do regression analysis according to each drug concentration logarithm value and preventive effect probability value, calculate the EC of each medicament
50,, calculate interactional ratio behind two single agent compositions (be that SR＜0.5 is antagonism, 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect) according to Wadley bactericide mixture synergy evaluation assessment.
Result of the test sees the following form 1.
The joint toxicity measuring result of table 1. Difenoconazole and Wuyiencin
Result of the test shows: the weight ratio of Difenoconazole and Wuyiencin is 3: 1 o'clock, and its interaction ratio is respectively 1.98, and the bactericide interaction theory according to GiSi (1985) proposes has the notable synergistic effect.
Test example 2 Difenoconazoles are Yu the joint toxicity measuring of oxazole bacterium ketone
For the examination bacterium
Banana secret note leaf spot (Mycosphaerella fijiesis Morelet)
The experimental concentration design
Difenoconazole list agent concentration of treatment is that 3.2,1.6,0.8,0.4,0.2 μ g/ml oxazole bacterium ketone list agent concentration of treatment is 5.6,2.8,1.4,0.7,0.35 μ g/ml, five concentration gradients are also established in the test of combination medicament, and other establishes the blank of not dosing, and each is handled 4 times and repeats.
Test method
With deionized water wash-out, filtration on medium or the diseased tissues, centrifugal (1000r/min) 5min removes supernatant, adds deionized water, and is centrifugal again with cultured disease fungus spore.At last with deionization with the spore resuspension to every milliliter 1 * 10
5Individual～1 * 10
7Individual spore, and add 0.5% glucose solution., from the low concentration to the high concentration, draw soup 0.5mL successively and add respectively in the small test tube with pipette or pipettor, draw the spore suspension 0.5mL for preparing then, make soup and spore suspension mixed in equal amounts even.Draw above-mentioned mixed liquor with micro sample adding appliance and drip on the concave slide, frame is put in the culture dish that has shallow seated groundwater then, and adding a cover preserves moisture is incubated in the incubator of preference temperature.
Investigation and method of counting
By medicine inspecting institute of the Ministry of Agriculture " agricultural chemicals indoor bioassay test rule " method, when the blank spore germination rate reaches 90% when above, the spore germination situation is respectively handled in inspection.Every processing repeats 3 above visuals field of random observation, many 200 of investigation spore sum, and number and spore sum sprouted in record respectively.Spore germ tube length is considered as sprouting greater than the short radius of spore.According to survey data, calculate the spore germination relative inhibition that each is handled.Probability value according to each drug concentration logarithm value and corresponding spore germination relative inhibition is done regression analysis, calculates the EC of each medicament
50,, calculate interactional ratio behind two single agent compositions (be that SR＜0.5 is antagonism, 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect) according to Wadley bactericide mixture synergy evaluation assessment.
Result of the test sees the following form 2.
Table 2. Difenoconazole is Yu the joint toxicity measuring result of oxazole bacterium ketone
Result of the test shows: Difenoconazole is Yu the weight ratio of oxazole bacterium ketone is 1: 2 o'clock, and its interaction ratio is respectively 2.08, and the bactericide interaction theory according to GiSi (1985) proposes has the notable synergistic effect.
Though above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (7)
1. bactericidal composition is characterized in that containing the Difenoconazole of synergy effective dose and arbitrary fungicide active ingredient of Xuan Zi oxazole bacterium ketone and Wuyiencin.
2. according to the bactericidal composition of claim 1, it is characterized in that the weight ratio of arbitrary fungicide active ingredient of Difenoconazole and Xuan Zi oxazole bacterium ketone and Wuyiencin is preferably 50: 1-1: 20.
3. according to the bactericidal composition of claim 1-2, it is characterized in that the weight ratio of arbitrary fungicide active ingredient of Difenoconazole and Xuan Zi oxazole bacterium ketone and Wuyiencin is preferably 20: 1-1: 10.
4. according to the bactericidal composition of claim 1-3, it is characterized in that Difenoconazole Yu the weight ratio of oxazole bacterium ketone more preferably 5: 1-1: 8.
5. according to the bactericidal composition of claim 1-3, the weight ratio that it is characterized in that Difenoconazole and Wuyiencin more preferably 15: 1-1: 3.
6. missible oil, microemulsion, aqueous emulsion, suspending agent, aqua, wetting powder, water dispersible granules or the granule formulated according to the described bactericidal composition of arbitrary claim of claim 1-5.
7. be used to prevent and treat purposes according to the described bactericidal composition of arbitrary claim of claim 1-5 by microbial powdery mildew of ascus and sigatoka.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910259846A CN101779675A (en) | 2009-12-16 | 2009-12-16 | Sterilization composition containing difenoconazole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910259846A CN101779675A (en) | 2009-12-16 | 2009-12-16 | Sterilization composition containing difenoconazole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101779675A true CN101779675A (en) | 2010-07-21 |
Family
ID=42519928
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910259846A Pending CN101779675A (en) | 2009-12-16 | 2009-12-16 | Sterilization composition containing difenoconazole |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101731231A (en) * | 2010-01-07 | 2010-06-16 | 青岛星牌作物科学有限公司 | Famoxadone-containing and triazole fungicide-containing composition and application thereof |
| CN105900998A (en) * | 2016-05-20 | 2016-08-31 | 南京华洲药业有限公司 | Sterilization composition containing spiroxamine and famoxadone and application thereof |
| CN107535526A (en) * | 2017-09-27 | 2018-01-05 | 江西省子轩科技有限公司 | Anti- tobacco weather-fleck combination agent |
-
2009
- 2009-12-16 CN CN200910259846A patent/CN101779675A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101731231A (en) * | 2010-01-07 | 2010-06-16 | 青岛星牌作物科学有限公司 | Famoxadone-containing and triazole fungicide-containing composition and application thereof |
| CN105900998A (en) * | 2016-05-20 | 2016-08-31 | 南京华洲药业有限公司 | Sterilization composition containing spiroxamine and famoxadone and application thereof |
| CN107535526A (en) * | 2017-09-27 | 2018-01-05 | 江西省子轩科技有限公司 | Anti- tobacco weather-fleck combination agent |
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