CN102273473A - bactericidal composition - Google Patents
bactericidal composition Download PDFInfo
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- CN102273473A CN102273473A CN2011101653571A CN201110165357A CN102273473A CN 102273473 A CN102273473 A CN 102273473A CN 2011101653571 A CN2011101653571 A CN 2011101653571A CN 201110165357 A CN201110165357 A CN 201110165357A CN 102273473 A CN102273473 A CN 102273473A
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- CN
- China
- Prior art keywords
- bactericidal composition
- pyraclostrobin
- composition according
- propiconazole
- consumption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 title claims abstract description 43
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 32
- 239000005869 Pyraclostrobin Substances 0.000 claims abstract description 92
- HZRSNVGNWUDEFX-UHFFFAOYSA-N pyraclostrobin Chemical compound COC(=O)N(OC)C1=CC=CC=C1COC1=NN(C=2C=CC(Cl)=CC=2)C=C1 HZRSNVGNWUDEFX-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000005822 Propiconazole Substances 0.000 claims abstract description 46
- STJLVHWMYQXCPB-UHFFFAOYSA-N propiconazole Chemical compound O1C(CCC)COC1(C=1C(=CC(Cl)=CC=1)Cl)CN1N=CN=C1 STJLVHWMYQXCPB-UHFFFAOYSA-N 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000839 emulsion Substances 0.000 claims abstract description 16
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 15
- 239000004530 micro-emulsion Substances 0.000 claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 45
- 150000003851 azoles Chemical class 0.000 claims description 45
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 24
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of pesticide bactericide, and in particular relates to a compound bactericidal composition containing pyraclostrobin. The invention aims at providing a bactericidal composition which can expand the control range, improve the control effect, delay the drug resistance and reduce the drug consumption and agricultural cost. The invention adopts the technical scheme that the bactericidal composition contains active ingredients A and B, wherein the active ingredient A is pyraclostrobin, and the active ingredient B is one of propiconazole and hexaconazole. The weight ratio of the active ingredient A to the active ingredient B is (10:1)- (1:10). The bactericidal composition provided by the invention also comprises a carrier and auxiliaries and can be prepared into an emulsifiable solution, wettable powder, microemulsion, emulsion in water, a water suspending agent, or water dispersible granules and the like. The total weight percent of the active ingredients A and B in the bactericidal composition is 1-90%. The bactericidal composition provided by the invention has the beneficial effects that: the control effect is improved, the drug resistance is delayed, and the application dosage and the agricultural cost are reduced.
Description
Technical field
The invention belongs to the agriculture chemicals fungicide field, particularly a kind of combination sterilization composition that contains pyraclostrobin.
Background technology
Pyraclostrobin has another name called pyraclostrobin, and chemical name is, methyl (N)-[[[1-(4-chlorobenzene) pyrazoles-3 base)-oxygen]-the 0-methoxyl group]-the N-methoxymethyl carbamate.It is the bactericide of methoxy acrylic newly developed in recent years, and its mechanism of action is the mitochondrial respiratory inhibitor, makes mitochondria can not produce and provide cell eubolism institute energy requirement, finally causes cell death.The pyraclostrobin fungicidal spectrum is wide, can control most of diseases such as Ascomycetes, Basidiomycetes, deuteromycetes, Oomycete.Growth to spore germination and leaf intramatrical mycelium has very strong inhibitory action, has protection and therapeutic activity, and permeability and local systemic activity are arranged, and the lasting period is long, resistance of rainwater washing against.Be widely used in preventing and treating the disease on wheat, paddy rice, peanut, grape, vegetables, potato, banana, lemon, coffee, fruit tree, walnut, tea tree, tobacco and ornamental plants, lawn and other field crops.
Propiconazole, chemical name are 1-[2-(2,4 dichloro benzene base)-4-propyl group-1,3-dioxolanes-2-methyl]-1 hydrogen-1,2,4-triazoles.It belongs to the triazole bactericidal agent in the sterol inhibitor; it is a kind of interior absorption triazole bactericidal agent with protection and therapeutic action; its mechanism of action is the biosynthesis that influences sterol; the cell membrane function of pathogen is damaged; finally cause cell death, thus the effect that plays sterilization, diseases prevention and cure the disease.It can be absorbed by root, stem, leaf portion, and can be soon in the plant strain body on conduction, the control sac fungi, the disease that basidiomycetes and imperfect fungus cause, particularly to take-all, powdery mildew, rust, root rot, water rice bakanae disease, sigatoka have the better prevention effect.
Own azoles alcohol, chemical name is, (RS)-and 2-(2,4 dichloro benzene base)-1-(1H-1,2,4-triazol-1-yl)-oneself-2-alcohol.It belongs to the triazole bactericidal agent in the sterol demethylation inhibitor; have interior suction, protection and therapeutic activity; its mechanism of action is to destroy and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, causes cell membrane not form, and makes germ death.Its disease that fungi especially Basidiomycota and Ascomycota are caused has the protection and the therapeutic action of broad spectrum activity.It can prevent and treat disease due to sac fungi, basidiomycetes and the imperfect fungus effectively, and especially disease that Basidiomycetes and Ascomycetes are caused such as powdery mildew, rust, scab, brown spot, anthracnose etc. have excellent protection and eradicant action; Rice sheath blight disease there is good preventive effect.To apple, grape, banana, vegetables (melon and fruit, capsicum etc.), peanut, coffee, cereal crop and ornamental plants etc. has the better prevention effect.
Propiconazole and own azoles alcohol are two kinds of triazole bactericidal agents of domestic extensive use, mainly prevent and treat powdery mildew on fruit tree, vegetables and the field crop, anthracnose, leaf spot, rust etc., but use for many years, and existing pesticide resistance report causes effect to descend.And pyraclostrobin is a new type bactericide, though the good price of bactericidal effect is more expensive.
Summary of the invention
One of purpose of the present invention provides a kind of with pyraclostrobin and propiconazole, the own azoles alcohol microbicide compositions as active ingredient, and by composite, the expanding prevention scope improves control efficiency, delays pesticide resistance, reduces dosage and agricultural cost; Two of purpose is this bactericidal composition to be equipped with suitable agriculture carrier and auxiliary agent is made operable pesticidal preparations product.
Technical scheme of the present invention is: a kind of bactericidal composition, and it contains effective constituents A and B, and wherein A is a pyraclostrobin, and B is a kind of in propiconazole or the own azoles alcohol.The weight ratio of described A and B is 10: 1～1: 10.
Above-mentioned active ingredient pyraclostrobin, propiconazole and own azoles alcohol all are bactericide well known in the art, can buy by various commercial channel.
Except that above-mentioned active ingredient pyraclostrobin, propiconazole and own azoles alcohol, also comprise carrier and auxiliary agent in the microbicide compositions of the present invention, be mixed with missible oil, wetting powder, microemulsion, aqueous emulsion, aqueous suspension agent or water dispersible granules etc.Described effective constituents A and B total weight percentage in described bactericidal composition is 1%～90%.
Described carrier is selected from one or more in water, organic solvent or the filler.Described organic solvent is selected from one or more in aromatic hydrocarbon solvent, ketones solvent, alcohols solvent or the natural pine gum oil.Described filler is selected from one or more in white carbon, kaolin, precipitated calcium carbonate or the diatomite.
Described auxiliary agent comprises a kind of surfactant at least.Described surfactant formulation is an emulsifier, dispersant, or wetting agent, it is selected from the phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, castor oil polyoxyethylene ether, polyoxyethylene carboxylate, the alkylphenol polyoxyethylene formaldehyde condensation products, calcium lignosulfonate, alkyl is sodium sulfonate how, alkyl is sodium sulfonate how, how sodium sulfonate formaldehyde condensation products, Sodium Polyacrylate, maleic acid di-sec-octyl sodium sulfonate, the alkylphenol polyoxyethylene phosphate, the polycarboxylic acid salt, methyl is sulfonic formaldehyde condensation compound sulphate how, draw back powder, lauryl sodium sulfate, neopelex, in the calcium dodecyl benzene sulfonate one or more.
Above-mentioned bactericidal composition can also add cosolvent according to formulation, can also add functional aids such as antifreezing agent, thickener, stabilizing agent, defoamer in case of necessity.
As cream preparation: as described in emulsifier be selected from polyoxyethylene nonylphenol ether (NP series), phenethyl phenol polyethenoxy ether (newborn 600 series of farming), fatty alcohol-polyoxyethylene ether (AEO series), castor oil polyoxyethylene ether (BY series), alkylphenol polyoxyethylene formaldehyde condensation products (Nongru-700) or the calcium dodecyl benzene sulfonate (newborn 500 series of farming) one or more.
As microemulsion or aqueous emulsion: as described in emulsifier be selected from polyoxyethylene nonylphenol ether (NP series), phenethyl phenol polyethenoxy ether (newborn 600 series of farming), fatty alcohol-polyoxyethylene ether (AEO series), castor oil polyoxyethylene ether (BY series), alkylphenol polyoxyethylene formaldehyde condensation products (Nongru-700) or calcium dodecyl benzene sulfonate (newborn 500 series of farming) the succinic acid di-sec-octyl sodium sulfonate (penetrant t) one or more; Described carrier is water and organic solvent.
As wetting powder or water dispersible granules: as described in dispersant be selected from sodium lignin sulfonate (calcium), alkyl how sodium sulfonate, one or more mixtures etc. of sodium sulfonate formaldehyde condensation products (NNO), Sodium Polyacrylate, alkylphenol polyoxyethylene phosphate (601PT), polycarboxylic acid salt etc. how, described wetting agent be methyl how sulfonic formaldehyde condensation compound sulphate, draw back in powder, lauryl sodium sulfate, the neopelex one or more; Described filler is selected from one or more in white carbon, kaolin, precipitated calcium carbonate, the diatomite.
As aqueous suspension agent: as described in dispersant or wetting agent be selected from sodium lignin sulfonate (calcium), alkyl how sodium sulfonate, one or more mixtures etc. of sodium sulfonate formaldehyde condensation products, Sodium Polyacrylate, maleic acid di-sec-octyl sodium sulfonate, alkylphenol polyoxyethylene phosphate, polycarboxylic acid salt etc. how, described wetting agent be methyl how sulfonic formaldehyde condensation compound sulphate, draw back in powder, lauryl sodium sulfate, neopelex, polyoxyethylene nonylphenol ether (NP series), the fatty alcohol-polyoxyethylene ether (AEO series) one or more; Described antifreezing agent is selected from one or more in ethylene glycol, glycerine, propane diols, urea, the diethylene glycol (DEG); Described thickener is the complex composition of xanthans and aluminium-magnesium silicate; Described defoamer is an organosilicon oils; Described carrier is a water.
Above-mentioned substance all is to well known to a person skilled in the art material, can buy by market.
The present composition is mainly used in most of diseases such as preventing and treating Ascomycetes, Basidiomycetes, deuteromycetes, is widely used in preventing and treating the multiple diseases on vegetables, fruit tree and ornamental plants, lawn and other field crops.It can be used according to the common water spray method of converting.Lasting period to plant disease of the present invention is relevant with the content of individualized compound in the composition, and is also relevant with the amount of application of composition.
Beneficial effect of the present invention is: 1, bactericidal composition provided by the invention shows fabulous synergistic effect to the various agricultural plant disease in certain ratio range; 2, because active ingredient pyraclostrobin of the present invention is different with the mechanism of action of propiconazole or own azoles alcohol, there is not mutual pesticide resistance, can delays single pyraclostrobin of using to a great extent, or single pesticide resistance that is produced with propiconazole or own azoles alcohol; 3, pyraclostrobin is a new type bactericide, and price is more expensive, and propiconazole or own azoles alcohol price is more cheap, can effectively reduce agricultural cost after rationally composite.
Embodiment
Specify the present invention below in conjunction with embodiment.Percentage all is weight percentage among the embodiment, and bioactive treatment dosage is active constituent content.
1, missible oil:
Press formula rate, pyraclostrobin and propiconazole or pyraclostrobin and own azoles alcohol are dissolved in the solvent, add emulsifier, mix and get final product.Process equipment mainly is to mix still, can adopt enamel reaction still, stainless steel stirred tank etc.
Embodiment 1 (10% pyraclostrobin propiconazole emulsifiable concentrate)
Prescription: pyraclostrobin 5%, propiconazole 5%; Emulsifier is agricultural newborn 500# and agricultural newborn 601#, and consumption is respectively 5% and 6%; Solvent is a natural pine gum oil, surplus.
Embodiment 2 (the own azoles alcohol of 15% pyraclostrobin missible oil)
Prescription: pyraclostrobin 10%, own azoles alcohol 5%; Emulsifier is agricultural newborn 500#, BY125 and Nongru-700 #, and consumption is respectively 2%, 4% and 3%; Solvent is cyclohexanone and dimethylbenzene, and consumption is respectively 10% and surplus.
Embodiment 3 (30% pyraclostrobin propiconazole emulsifiable concentrate)
Prescription: pyraclostrobin 10%, propiconazole 20%; Emulsifier is agricultural newborn 500# and AEO-7, and consumption is respectively 5% and 5%; Solvent is the 150# solvent naphtha, surplus.
Embodiment 4 (the own azoles alcohol of 30% pyraclostrobin missible oil)
Prescription: pyraclostrobin 15%, own azoles alcohol 15%; Emulsifier is agricultural newborn 500#, 600# and Nongru-700 #, and consumption is respectively 5%, 4% and 2%; Solvent is cyclohexanone and dimethylbenzene, and consumption is respectively 15% and surplus.
Table 1 is prevented and treated the implementation result of sigatoka for embodiment 3 and embodiment 4.Wherein, in the table 1: embodiment 3 is 30% pyraclostrobin propiconazole emulsifiable concentrate, and embodiment 4 is the own azoles alcohol of 30% a pyraclostrobin missible oil; Comparative Examples 1 is 30% pyraclostrobin folk prescription missible oil, and Comparative Examples 2 is 30% propiconazole folk prescription missible oil, and Comparative Examples 3 is 30% own azoles alcohol folk prescription missible oil.
See Table 1:
Table 1: embodiment 3 and embodiment 4 prevent and treat the sigatoka field control effectiveness test
As can be seen from Table 1, under 180 mg/kg dosages, after the 2nd dispenser of 30% pyraclostrobin propiconazole emulsifiable concentrate after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than 30% pyraclostrobin folk prescription missible oil preventive effect far away; Under 270 mg/kg dosages, after the 2nd dispenser of 30% pyraclostrobin propiconazole emulsifiable concentrate after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than 30% propiconazole folk prescription missible oil preventive effect far away; Under 50 mg/kg dosages, after the 2nd dispenser of the own azoles of 30% pyraclostrobin alcohol missible oil after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than 30% own azoles alcohol folk prescription missible oil preventive effect far away, be higher than the drug effect of 30% pyraclostrobin folk prescription missible oil, 180 mg/kg simultaneously; After illustrating that pyraclostrobin and propiconazole or own azoles alcohol is composite, obvious synergistic effect is arranged.
2, microemulsion, aqueous emulsion:
Press formula rate, pyraclostrobin and propiconazole or pyraclostrobin and own azoles alcohol are dissolved in the solvent, add surfactant, mix and be oil phase, with the mixed water that gets of antifreezing agent, defoamer (microemulsion can not add antifreezing agent and defoamer) and water, again oil phase is added aqueous phase, the limit edged stirs, and makes microemulsion or aqueous emulsion.The process equipment of microemulsion mainly is to mix still.During the preparation aqueous emulsion, must adopt high-shear emulsion machine to carry out water, oil phase mixing.
Embodiment 5 (8% pyraclostrobin propiconazole microemulsion)
Prescription: pyraclostrobin 4%, propiconazole 4%; Emulsifier is agricultural newborn 500# and agricultural newborn 601#, and consumption is respectively 8% and 12%; Solvent is dimethylbenzene and methyl alcohol, and consumption is respectively 5% and 5%; Carrier is a water, surplus.
Embodiment 6 (12% pyraclostrobin hexaconazole microemulsion)
Prescription: pyraclostrobin 8%, own azoles alcohol 4%; Emulsifier is penetrant t and BY135, consumption difference 8% and 12%; Solvent is dimethylbenzene and cyclohexanone, and consumption is respectively 10% and 5%; Carrier is a water, surplus.
Embodiment 7 (20% pyraclostrobin propiconazole microemulsion)
Prescription: pyraclostrobin 15%, propiconazole 5%; Emulsifier is penetrant t and NP-10, and consumption is respectively 10% and 12%; Solvent is cyclohexanone and methyl alcohol, and consumption is respectively 10% and 10%; Carrier is a water, surplus.
Embodiment 8 (15% pyraclostrobin propiconazole emusion in water)
Prescription: pyraclostrobin 5%, propiconazole 10%; Emulsifier is 601PT and BY125, and consumption is respectively 2% and 5%; Antifreezing agent is an ethylene glycol, and consumption is 3%, defoamer is an organic silicone oil, and consumption is 0.1%; Solvent is a dimethylbenzene, and consumption is 15%; Carrier is a water, surplus.
Embodiment 9 (20% pyraclostrobin hexaconazole aqueous emulsion)
Prescription: pyraclostrobin 10%, own azoles alcohol 10%; Emulsifier is NP-10 and BY125, and consumption is respectively 6% and 5%; Antifreezing agent is a urea, and consumption is 4%; Solvent is cyclohexanone and dimethylbenzene, and consumption is respectively 10% and 15%; Carrier is a water, surplus.
Embodiment 10 (35% pyraclostrobin propiconazole emusion in water)
Prescription: pyraclostrobin 10%, propiconazole 25%; Emulsifier is AEO-7 and farming breast 601, and consumption is respectively 6% and 5%; Antifreezing agent is a glycerine, and consumption is 4%; Solvent is the 200# solvent naphtha, and consumption is 20%; Carrier is a water, surplus.
Table 2 is prevented and treated the implementation result of apple scab for embodiment 9.Wherein, in the table 2: embodiment 9 is 20% pyraclostrobin hexaconazole aqueous emulsion, and Comparative Examples 4 is 20% pyraclostrobin folk prescription aqueous emulsion, and Comparative Examples 5 is 20% own azoles alcohol folk prescription aqueous emulsion.
See Table 2:
Table 2 embodiment 9 prevents and treats the apple scab field control effectiveness test
Find out by table 2, under 60 mg/kg dosages, after the 2nd dispenser of 20% pyraclostrobin hexaconazole aqueous emulsion after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than 20% own azoles alcohol folk prescription aqueous emulsion preventive effect far away; Under 120 mg/kg dosages, after the 2nd dispenser of 20% pyraclostrobin hexaconazole aqueous emulsion after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than the preventive effect of 20% pyraclostrobin folk prescription aqueous emulsion far away; After illustrating that pyraclostrobin and own azoles alcohol is composite, drug effect is significantly improved.
3, aqueous suspension agent:
Press formula rate, pyraclostrobin and propiconazole or pyraclostrobin and own azoles alcohol, wetting agent, dispersant, thickener, antifreezing agent etc. are mixed with water, through high speed shear, the wet method sand milling, even at last matter is filtered and is promptly got product.Capital equipment is batching still, colloid mill or even matter mixer, sand mill.
Embodiment 11 (the own azoles alcohol of 25% pyraclostrobin aqueous suspension agent)
Prescription: pyraclostrobin 10%, own azoles alcohol 15%; Dispersant is NNO, and consumption is 5%; Wetting agent is NP-10, and consumption is 2%; Thickener is an xanthans, and consumption is 0.2%; Antifreezing agent is an ethylene glycol, and consumption is 3%; Carrier is a water, surplus.
Embodiment 12 (30% pyraclostrobin propiconazole aqueous suspension agent)
Prescription: pyraclostrobin 15%, propiconazole 15%; Dispersant is the polycarboxylic acid salt, and consumption is 5%; Wetting agent is a lauryl sodium sulfate, and consumption is 1.5%; Thickener is an xanthans, and consumption is 0.18%; Antifreezing agent is a urea, and consumption is 4%; Carrier is a water, surplus.
Embodiment 13 (the own azoles alcohol of 40% pyraclostrobin aqueous suspension agent)
Prescription: pyraclostrobin 20%, own azoles alcohol 20%; Dispersant is 601PT, and consumption is 4%; Wetting agent is a neopelex, and consumption is 2%; Thickener is an xanthans, and consumption is 0.12%; Antifreezing agent is a glycerine, and consumption is 4%; Carrier is a water, surplus.
Table 3 is prevented and treated the implementation result of powdery mildew of cucumber for embodiment 13.Wherein, in the table 3: embodiment 13 is the own azoles alcohol of 40% a pyraclostrobin aqueous suspension agent, and Comparative Examples 6 is 40% pyraclostrobin folk prescription aqueous suspension agent, and Comparative Examples 7 is 40% own azoles alcohol folk prescription aqueous suspension agent.
See Table 3:
Table 3 embodiment 12 prevents and treats the powdery mildew of cucumber field control effectiveness test
Find out by table 3, under 45 mg/kg dosages, after the 2nd dispenser of the own azoles of 40% pyraclostrobin alcohol aqueous suspension agent after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than 40% own azoles alcohol folk prescription aqueous suspension agent preventive effect far away; Under 75 mg/kg dosages, after the 2nd dispenser of the own azoles of 40% pyraclostrobin alcohol aqueous suspension agent after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than the preventive effect of 40% pyraclostrobin folk prescription aqueous suspension agent far away; After illustrating that pyraclostrobin and own azoles alcohol is composite, drug effect is significantly improved.
4, wetting powder:
Press formula rate, pyraclostrobin and propiconazole or pyraclostrobin and own azoles alcohol, wetting agent, dispersant, filler are mixed in proportion, mixed again wetting powder behind comminution by gas stream.Capital equipment has mixer, airslide disintegrating mill.
Embodiment 14 (30% pyraclostrobin propiconazole wetting powder)
Prescription: pyraclostrobin 15%, propiconazole 15%; Dispersant is a Negel, and consumption is 8%; Wetting agent is lauryl sodium sulfate and draws back powder that consumption is respectively 2% and 1.5%; Filler is white carbon and kaolin, and consumption is respectively 25% and surplus.
Embodiment 15 (the own azoles alcohol of 40% pyraclostrobin wetting powder)
Prescription: pyraclostrobin 15%, own azoles alcohol 25%; Dispersant is NNO, and consumption is 10%; Wetting agent is for drawing back powder, and consumption is 2.5%; Filler is white carbon and diatomite, and consumption is respectively 10% and surplus.
Table 4 is prevented and treated the implementation result of powdery mildew of cucumber for embodiment 14.Wherein, in the table 4: embodiment 14 is 30% pyraclostrobin propiconazole wetting powder, and Comparative Examples 8 is 30% pyraclostrobin folk prescription wetting powder, and Comparative Examples 9 is 30% propiconazole folk prescription wetting powder.
See Table 4:
Table 4 embodiment 14 control wheat leaf rust field control effectiveness tests
Find out by table 4, under 90 mg/kg dosages, after the 2nd dispenser of 30% pyraclostrobin propiconazole wetting powder after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than the preventive effect of 30% pyraclostrobin wetting powder far away; Under 150 mg/kg dosages, after the 2nd dispenser of 30% pyraclostrobin propiconazole wetting powder after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than the preventive effect of 30% propiconazole wetting powder far away; After pyraclostrobin and propiconazole compound were described, drug effect was significantly improved.
5, water dispersible granules:
Press formula rate, pyraclostrobin and propiconazole or pyraclostrobin and own azoles alcohol, wetting agent, dispersant, filler mixed in proportion, through comminution by gas stream, after add 10～20% water, make the water dispersible granules product through kneading, granulation, drying, screening; Maybe the powder that will pulverize water spray, granulation, drying in the fluidized granulating machine sieved afterwards and made product.Capital equipment has mixer, airslide disintegrating mill, kneader, Squeezinggranulator, drying room or fluid-bed drying, or fluidized granulating machine, screening machine.
Embodiment 16 (40% pyraclostrobin propiconazole water dispersible granules)
Prescription: pyraclostrobin 20%, propiconazole 20%; Dispersant is polycarboxylic acid salt and calcium lignosulfonate, and consumption is respectively 6% and 8%; Wetting agent is a lauryl sodium sulfate, and consumption is 2%; Filler is white carbon and bentonite, and consumption is respectively 10% and surplus.
Embodiment 17 (50% pyraclostrobin diniconazole water dispersible granule)
Prescription: pyraclostrobin 30%, own azoles alcohol 20%; Dispersant is NNO and Sodium Polyacrylate, and consumption is respectively 8% and 10%; Wetting agent is for drawing back powder, and consumption is 3%; Filler is white carbon and diatomite, and consumption is respectively 15% and surplus.
Table 5 is the implementation result of embodiment 17 control tomato gray moulds.Wherein, in the table 5: embodiment 17 is 50% pyraclostrobin diniconazole water dispersible granule, and Comparative Examples 10 is 50% pyraclostrobin folk prescription water dispersible granules, and Comparative Examples 11 is 50% own azoles alcohol folk prescription water dispersible granules.
See Table 5:
Table 5 embodiment 17 control tomato gray mould field control effectiveness tests
Find out by table 5, under 60 mg/kg dosages, after the 2nd dispenser of 50% pyraclostrobin diniconazole water dispersible granule after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than the preventive effect of 50% own azoles alcohol folk prescription water dispersible granules far away; Under 90 mg/kg dosages, after the 2nd dispenser of 50% pyraclostrobin diniconazole water dispersible granule after 7 days drug effects and the 3rd dispenser 14 days drug effects to be higher than the preventive effect of 50% pyraclostrobin folk prescription water dispersible granules far away; After illustrating that pyraclostrobin and own azoles alcohol is composite, drug effect is significantly improved.
The above embodiments of the present invention are can not limit the present invention to explanation of the present invention, in implication suitable with claims of the present invention and any change and the combination in the scope, all should think in the scope of claims.
Claims (10)
1. a bactericidal composition is characterized in that, it contains effective constituents A and B, and wherein A is a pyraclostrobin, and B is a kind of in propiconazole or the own azoles alcohol.
2. bactericidal composition according to claim 1 is characterized in that, the weight ratio of described A and B is 10:1～1:10.
3. bactericidal composition according to claim 1 and 2 is characterized in that, described effective constituents A and B total weight percentage in described bactericidal composition is 1%～90%.
4. bactericidal composition according to claim 3 is characterized in that, also comprises carrier and auxiliary agent in the described bactericidal composition.
5. bactericidal composition according to claim 4 is characterized in that described carrier is selected from one or more in water, organic solvent or the filler.
6. bactericidal composition according to claim 5 is characterized in that, described organic solvent is selected from one or more in aromatic hydrocarbon solvent, ketones solvent, alcohols solvent or the natural pine gum oil.
7. bactericidal composition according to claim 5 is characterized in that described filler is selected from one or more in white carbon, kaolin, precipitated calcium carbonate or the diatomite.
8. bactericidal composition according to claim 4 is characterized in that described auxiliary agent comprises surfactant.
9. bactericidal composition according to claim 8, it is characterized in that, described surfactant formulation is an emulsifier, dispersant, or wetting agent, it is selected from the phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, castor oil polyoxyethylene ether, polyoxyethylene carboxylate, the alkylphenol polyoxyethylene formaldehyde condensation products, calcium lignosulfonate, alkyl is sodium sulfonate how, alkyl is sodium sulfonate how, how sodium sulfonate formaldehyde condensation products, Sodium Polyacrylate, maleic acid di-sec-octyl sodium sulfonate, the alkylphenol polyoxyethylene phosphate, the polycarboxylic acid salt, methyl is sulfonic formaldehyde condensation compound sulphate how, draw back powder, lauryl sodium sulfate, neopelex, in the calcium dodecyl benzene sulfonate one or more.
10. bactericidal composition according to claim 1 and 2 is characterized in that, the formulation of described bactericidal composition is missible oil, wetting powder, microemulsion, aqueous emulsion, aqueous suspension agent or water dispersible granules.
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| CN104705327A (en) * | 2015-03-24 | 2015-06-17 | 陈勇兵 | Pyrazole fungicide composition |
| CN106689123A (en) * | 2016-11-15 | 2017-05-24 | 北京明德立达农业科技有限公司 | Microcapsule suspension-suspending agent as well as preparation method and application thereof |
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| CN112568226A (en) * | 2020-12-10 | 2021-03-30 | 汝阳自强生物科技有限公司 | Granules containing azoxystrobin and propiconazole and preparation method and application thereof |
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| CN110432278A (en) * | 2019-08-28 | 2019-11-12 | 山东碧奥生物科技有限公司 | A kind of composition pesticide for preventing and treating corn leaf spot |
| CN112568226A (en) * | 2020-12-10 | 2021-03-30 | 汝阳自强生物科技有限公司 | Granules containing azoxystrobin and propiconazole and preparation method and application thereof |
| CN112568226B (en) * | 2020-12-10 | 2021-10-08 | 汝阳自强生物科技有限公司 | Granules containing azoxystrobin and propiconazole and preparation method and application thereof |
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Application publication date: 20111214 |