CN102150671A - Bactericide composition and preparation and application thereof - Google Patents
Bactericide composition and preparation and application thereof Download PDFInfo
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- CN102150671A CN102150671A CN2010105823149A CN201010582314A CN102150671A CN 102150671 A CN102150671 A CN 102150671A CN 2010105823149 A CN2010105823149 A CN 2010105823149A CN 201010582314 A CN201010582314 A CN 201010582314A CN 102150671 A CN102150671 A CN 102150671A
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Abstract
The invention provides bactericide composition which is characterized in that the active ingredient of the bactericide composition comprises azoxystrobin and ortho-phaltan. The invention also provides preparation prepared by using the bactericide composition and the application of the preparation in preventing and treating plant diseases caused by fungi. In the invention, the azoxystrobin and the ortho-phaltan are compounded when in use within a certain range and have very obvious synergistic action, the effects of preventing and treating plant diseases caused by fungi are remarkably improved, and the sterilization spectrum is expanded.
Description
Technical field
The present invention relates to the disinfectant use in agriculture field, specifically, relate to a kind of microbicide compositions and preparation and application thereof.
Background technology
Fluoxastrobin belongs to methoxy acrylic ester compounds; it is a kind of mitochondrial respiratory inhibitor; has wide spectrum disease control ability; tens of kinds of diseases such as nearly all Mycophytes (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease such as powdery mildew, rust, glume blight, net blotch, scab, downy mildew, rice blast are all had fine activity, and Fluoxastrobin has protection, treats, roots out, infiltration, systemic activity.The chemical name of Fluoxastrobin is (E)-[2-[6-(2-cyano-benzene oxygen) pyrimidine-4-base oxygen] phenyl]-the 3-methoxy-methyl acrylate, its molecular formula is C22H17N3O5, molecular weight 403.39, structural formula is:
Folpet is the broad spectrum protection bactericide; multiple diseases such as main control grain and oil crop, vegetables, fruit tree are as rice sheath blight disease, rice blast, wheat rust, anthracnose of tobacco, leaf spot of peanut, sclerotinia rot of colza, potato late blight, downy mildew of cucurbits, to crop safety.The chemical name of folpet is N-(trichloro-methylthio) phthalimide or N-(trichloro-methylthio) phthalimide, its molecular formula C
9H
4Cl
3NO
2S, molecular weight are 296.56, and structural formula is:
Summary of the invention
The object of the present invention is to provide a kind of fungicidal spectrum wide, to control of plant disease obvious results microbicide compositions, the preparation and the application thereof of described microbicide compositions also are provided.
The invention provides a kind of microbicide compositions, it is characterized in that, the active component of described microbicide compositions comprises Fluoxastrobin and folpet.
The present invention also provides by above-mentioned microbicide compositions prepared preparation, wherein, the formulation of described preparation is missible oil, aqueous emulsion, microemulsion, aqueous suspension agent, oil-suspending agent, microcapsule suspending agent, wetting powder, water-dispersible granules, soluble powder or soluble granula.
The present invention also provides the application of above-mentioned preparation aspect the fungus-caused plant disease of control.
The inventor finds unexpectedly, Fluoxastrobin and the composite use of folpet with above-mentioned different action characteristic, not only do not offset Fluoxastrobin and folpet drug effect separately, on the contrary, also has very obvious synergistic effect, control efficiency to fungus-caused plant disease significantly improves, and can enlarge fungicidal spectrum.
Microbicide compositions of the present invention has the following advantages:
1, Fluoxastrobin and folpet are composite in certain ratio range shows fabulous synergistic effect, compares the obvious bactericidal effect that improved with single agent, thereby has reduced the usage amount of bactericide, when reducing peasant's drug cost, has reduced the influence to environment;
2, enlarged fungicidal spectrum, made a kind of bactericide to prevent and treat plurality of plant diseases simultaneously, a kind of means of prevention easily and effectively is provided;
3, said composition is the compounded combination of mitochondrial respiratory inhibitor series bactericidal agent and adenosine deaminase inhibitors series bactericidal agent, and different action characteristics makes the extremely strong mutual supplement with each other's advantages of generation between two kinds of medicaments, can effectively delay the generation and the development of single agent resistance.
Embodiment
The invention provides a kind of microbicide compositions, it is characterized in that, the active component of described microbicide compositions comprises Fluoxastrobin and folpet.
In the present invention, described active component is Fluoxastrobin and folpet, the weight ratio of Fluoxastrobin and folpet can in very large range change, particularly, the weight ratio of Fluoxastrobin and folpet can be 1: 1000～1000: 1, under the preferred situation is 1～50: 1～50, is 1～10: 1～10 under the preferred situation.
In the microbicide compositions of the present invention, the content of described active component in microbicide compositions can in very large range change, and particularly, the content of this active component in composition is 0.5-95 weight %, is 5-80 weight % under the preferred situation.
In the microbicide compositions of the present invention, except that active component, microbicide compositions also contains at least two kinds carrier usually, and preferably wherein at least a be surfactant.
Above-mentioned surfactant can be the known various surfactants in bactericide field, and the present invention is preferably one or more in emulsifier, dispersant and the wetting agent.
Other carriers except that above-mentioned surfactant can be the known various carriers in bactericide field, particularly, for example: white carbon, kaolin, diatomite, clay, talcum, organobentonite, float stone, titanium dioxide, dextrin, cellulose powder, precipitated calcium carbonate, soluble starch, urea, amine fertilizer, the mixture of urea and amine fertilizer, glucose, maltose, sucrose, Anhydrous potassium carbonate, natrium carbonicum calcinatum, Carbon Dioxide hydrogen potassium, anhydrous sodium bicarbonate, in the mixture of Anhydrous potassium carbonate and Carbon Dioxide hydrogen potassium and the mixture of natrium carbonicum calcinatum and anhydrous sodium bicarbonate one or more.
Mentioned emulsifier can be the known various emulsifier in bactericide field, particularly, this emulsifier can be dodecyl sodium sulfonate calcium, lecithin, sorbitan fatty acid ester, the polyoxyethylene sorbitan fatty acid ester, polyoxyethylene fatty acid ester, the polyoxyethylene fatty acid diester, polyoxyethylene aliphatic alcohol ether, the polyoxyethylene fatty amine, ethoxy castor oil, Crodaret, fatty acid polyethylene glycol ester, alkylphenol polyoxyethylene, polyoxyethylene alkyl phenyl ether, polyoxyethylene dialkyl phenyl organic ether, polyoxyethylene alkyl phenyl ether/formalin condensation product, polyoxyethylene/polyoxypropylene block polymer ether, alkyl polyoxyethylene/polyoxypropylene block polymer ether, alkyl phenyl polyoxyethylene/polyoxypropylene block polymer ether, the polyoxyethylene diphenyl ether, polyoxyethylene benzyl phenyl ether, polyoxyethylene styryl phenyl ether, APEO type siloxanes, ester type siloxanes, polyoxyethylene aliphatic alcohol ether, in fatty alcohol-polyoxyethylene ether sodium sulfosuccinate and the alkyl phenol polyoxyethylene polyoxypropylene ether one or more.
Above-mentioned dispersant can be the known various dispersants in bactericide field; particularly, this dispersant is the sodium salt of lignosulfonates, Sodium Polyacrylate, naphthalene sulfonate, alkylnaphthalene sulfonate, sodium methylene bis-naphthalene sulfonate, alkyl amide taurate, polycarboxylate, alkyl naphthalene sulfonic acid condensation polymer and in the alkyl naphthalene sulfonic acid yuban one or more.
Above-mentioned wetting agent can be the known various wetting agents in bactericide field, particularly, this wetting agent can be in the mixture of lauryl sodium sulfate, Teepol, neopelex, fatty alcohol polyglycol ether sulphate and alkylnaphthalene sulfonate and anion wetting agent one or more.
Microbicide compositions of the present invention; this microbicide compositions can also contain the various preparation used additives that the bactericide field is used always; particularly, the said preparation used additives can be in solvent, cosolvent, thickener, antifreezing agent, capsule material, protectant, defoamer, disintegrant and the binding agent one or more.
Above-mentioned solvent can be the known all kinds of solvents in bactericide field, and particularly, this solvent can be in organic solvent, vegetable oil, mineral oil, solvent naphtha and the water one or more.
Wherein, described organic solvent comprises N-Methyl pyrrolidone, oxolane, dimethyl sulfoxide (DMSO), N, N-dimethyl decyl amide, N, dinethylformamide, dimethylbenzene, tetrahydrofurfuryl alcohol, tributyl phosphate, 1, one or more in 4-dioxane and the cyclohexanone.
Described vegetable oil comprises one or more in epoxidized soybean oil, soybean oil, peanut oil, rapeseed oil, castor oil, corn oil and the pine-seed oil.
Described mineral oil comprises one or more in liquid wax, machine oil, kerosene and the lubricating oil.
Described solvent naphtha comprises one or more in No. 100 solvent naphthas, No. 150 solvent naphthas and No. 200 solvent naphthas.
Simultaneously, above-mentioned solvent also can be used as the cosolvent use.
Above-mentioned antifreezing agent can be the known various antifreezing agents in bactericide field, and the present invention is preferably one or more in ethylene glycol, propane diols, glycerine and the urea.
Above-mentioned thickener can be the known various thickeners in bactericide field, particularly, this thickener can be in xanthans, polyvinyl alcohol, POLYPROPYLENE GLYCOL, polyethylene glycol, white carbon, diatomite, kaolin, clay, sodium alginate, Magnesiumaluminumsilicate, lagoriolite, carboxymethyl cellulose, HPMC and the organobentonite one or more.
Above-mentioned capsule material can be each known seed capsules material of bactericide field, and the present invention is preferably polyurethane, polyureas or Lauxite.
Above-mentioned protectant can be the known various protectants in bactericide field, and the present invention is preferably polyvinyl alcohol and/or polyethylene glycol.
Above-mentioned defoamer can be the known various defoamers in bactericide field, and the present invention is preferably one or more in organosiloxane, tributyl phosphate and the silicone.
It is a kind of by above-mentioned microbicide compositions prepared preparation that the present invention also provides, and the formulation of described preparation is missible oil, aqueous emulsion, microemulsion, aqueous suspension agent, oil-suspending agent, microcapsule suspending agent, wetting powder, water-dispersible granules, soluble powder or soluble granula.
The formulation of microbicide compositions of the present invention can be the known various formulations in bactericide field, particularly, can be missible oil, aqueous emulsion, aqueous suspension agent, oil-suspending agent, microcapsule suspending agent, wetting powder, water-dispersible granules, soluble powder, soluble granula or microemulsion, above-mentioned formulation all can be by the conventional method preparation of this area.
Under the preferable case, described cream preparation the consist of active component 0.5～95%, cosolvent 0-20%, emulsifier 1～30%, solvent of percentage by weight complements to 100%.
The above-mentioned preparation method who states cream preparation for example can comprise each active component, solvent, cosolvent and emulsifier, makes the even oil phase of its property one-tenth, can obtain cream preparation.
Under the preferable case, described aqueous emulsion or microemulsion the consist of active component 0.5%～95%, emulsifier 1%～30%, cosolvent 0%～30%, solvent 1%～30%, antifreezing agent 0%～10%, thickener 0%～10%, water of percentage by weight complement to 100%.
Under the preferable case, the preparation method of described aqueous emulsion or microemulsion for example can comprise active component, emulsifier, cosolvent and solvent, makes it become even oil phase; With mixing such as water, thickener, antifreezing agents, make it become the homogeneous water.Under high-speed stirred, water is joined oil phase or oil phase is joined water, form the aqueous emulsion or the microemulsion of favorable dispersibility.Wherein, the microemulsion appearance transparent, aqueous emulsion then is a suspension.
Under the preferable case, described aqueous suspension agent the consist of active component 0.5%～95%, surfactant 1%～30%, antifreezing agent 1%～10%, thickener 0.1%～5%, water of percentage by weight complements to 100%.
Under the preferable case, described oil-suspending agent the consist of active component 0.5%～95%, emulsifier 1%～30%, thickener 0.1%～5%, oil of percentage by weight complements to 100%.
The preparation method of water/oil-suspending agent: with water or oil is medium, and auxiliary agents such as active component, surfactant, thickener are added in the sand milling still, carries out porphyrize, makes oil-suspending agent or aqueous suspension agent.
Under the preferable case, described soluble granula, soluble powder, water dispersible granules or wetting powder the consist of active component 0.5%～95%, surfactant 1%～30%, other carriers of percentage by weight complement to 100%.
Wherein, the preparation method of water-dispersible granules and soluble granula is: each active component and other carriers etc. are mixed pulverizing, and spray-dried or fluidized drying promptly; Perhaps after mix pulverizing, add water and mediate, add in the comminutor and carry out granulation, and then drying, 5～60 mesh sieve branches, promptly.
The preparation method of soluble powder and wetting powder is: fillers such as each active component, various auxiliary agent and other carriers are fully mixed, pulverize with ultrafine crusher.
Under the preferable case; above-mentioned microcapsule suspending agent by weight percentage consist of active component 0.5%～95%, solvent 1%～30%, protectant 0.1%～5.0%, defoamer 0.05%～1.0%, capsule material 1%～30%, dispersant 1%～30%, wetting agent 0%～30%, antifreezing agent 0%～10%, thickener 0.1%～5%, water complement to 100%.
Preparation method: solvent, capsule material are mixed, add active component then; Again it is added emulsification in the mixture of being made up of protectant, antifreezing agent, defoamer and water, stir and finish until polymerisation; Add thickener, dispersant and wetting agent again, obtain stable microcapsule suspending agent.
The present invention also provides the application of above-mentioned preparation aspect the fungus-caused plant disease of control.
Microbicide compositions of the present invention can provide with the finished product preparation form, and promptly each material mixes in the composition; Also can provide with independent dosage form, before using bucket or jar in mix voluntarily, and optionally mix to dilute according to the concentration of required active substance and get final product with water.
Microbicide compositions of the present invention is applicable to various crop, for example vegetables such as cucumber, pumpkin, custard squash, tomato, onion, shallot, beet, capsicum; Field crops such as wheat class, cereal, paddy rice; Economic crops such as mung bean, tobacco, flax; Fruit such as strawberry, grape, citrus; Flowers and other crops such as tree peony, chrysanthemum, Chinese rose, rose, rose.
Microbicide compositions of the present invention is compared with single agent has obvious synergistic effect, for plant diseases such as powdery mildew, downy mildew, late blight, white eqpidemic disease, rotten mildew, damping off, black stem, false smut, canker, early blight, scab, rust, glume blight, net blotch, leaf blight, gray molds good control efficiency is arranged all, particularly very remarkable to cucumber downy mildew, powdery mildew effect.
Composition of the present invention also can use with other compound with sterilization, desinsection or herbicidal performance, also can mix use with nematocide, protective agent, growth regulator, nutrient for plants or soil conditioner.
The using method of microbicide compositions of the present invention is simple, before plant disease is sprouted or after sprouting, use according to a conventional method in place to crop and plant growth, as mix soil, spraying, injection, cast etc., its amount of application is decided according to weather conditions or crop state, use 10-25g for every mu generally speaking, be diluted to 150-250mg/L and use.Thinner is preferably water.
Microbicide compositions of the present invention, its bactericidal effect is common with relevant with extraneous factor such as weather, but by using suitable formulation can slow down climatic influences.
Below by specific embodiment the present invention is further detailed, but the present invention is not limited in following embodiment.
Polyureas in following examples (available from Dong Shengfu field, Beijing polyurethane company), organosiloxane (available from DowComing company), sodium lignin sulfonate (available from the real big gram (China) of virtue dimension Investment Co., Ltd), polyoxyethylene styryl phenyl ether (available from Croda company), POLYPROPYLENE GLYCOL (available from Beijing sunlight Global Co., Ltd), secondary octyl phenol polyethenoxy ether (available from Hai'an, Jiangsu petrochemical plant), fatty alcohol-polyoxyethylene ether (available from Akzo Nobel N.V.), polyoxyethylene aliphatic alcohol ether (available from Nanjing Teva-Chem. Co., Ltd.), polyoxyethylene fatty acid fat (available from Rhodia), kaolin (available from China Kaolin Co., Ltd), paraffin oil (available from Hebei Ao Nite industrial oil Manufacturing Co., Ltd), calcium lignosulfonate (available from the friendly company of Beijingization), fatty alcohol polyglycol ether sulphate (available from Hensel Man), urea (available from Beijing reagent Co., Ltd), alkylphenol polyoxyethylene (available from Dong Bang KCC), sodium methylene bis-naphthalene sulfonate (available from Akzo Nobel N.V.), N-Methyl pyrrolidone (available from Beijing chemical reagent factory), ethoxy castor oil (available from Croda company), sodium alginate (available from hundred suitable (Beijing) chemical Science and Technology Ltd.s).
The compound method of the needed spore suspension of spray inoculation method is as follows in following examples: distilled water is sprayed on the sick leaf that covers with germ, collects bacterium liquid, the furnishing spore count is 2 * 10
6The germ spore suspension of individual/mL.
Embodiment 1 contains the emulsifiable concentrate of 0.5% active component
Fluoxastrobin 0.005g, folpet 4.995g, alkylphenol polyoxyethylene (emulsifier) 50g, fatty alcohol-polyoxyethylene ether (emulsifier) 50g, dimethylbenzene (solvent) are mended to 1kg, fully be mixed into even oil phase, promptly obtain containing the emulsifiable concentrate of 0.5% active component.It is numbered A1.
Embodiment 2 contains the aqueous emulsion of 5% active component
Prescription: Fluoxastrobin 0.125g, folpet 49.875g, No. 150 solvent naphthas (solvent) 50g, polyoxyethylene styryl phenyl ether (emulsifier) 50g, POLYPROPYLENE GLYCOL (thickener) 80g, diatomite (carrier) 20g, water complement to 1kg.
Preparation method: above-mentioned Fluoxastrobin, folpet, No. 150 solvent naphthas, polyoxyethylene styryl phenyl ethers are mixed into even oil phase; POLYPROPYLENE GLYCOL, diatomite and water are mixed into even water; Under high-speed stirred, water is joined in the oil phase, form the aqueous emulsion that contains 5% active component of favorable dispersibility.It is numbered A2.
Embodiment 3 contains the microemulsion of 15% active component
Prescription: Fluoxastrobin 3g, folpet 147g, N-Methyl pyrrolidone (solvent) 50g, secondary octyl phenol polyethenoxy ether (emulsifier) 100g, ethoxy castor oil (emulsifier) 200g, ethylene glycol (antifreezing agent) 50g, water complement to 1kg.
Preparation method: above-mentioned Fluoxastrobin, folpet, N-Methyl pyrrolidone, secondary octyl phenol polyethenoxy ether, ethoxy castor oil are mixed into even oil phase; With the even water of ethylene glycol formation soluble in water; Under high-speed stirred, water is joined in the oil phase, form the microemulsion that contains 15% active component.It is numbered A3.
Embodiment 4 contains the aqueous suspension agent of 25% active component
Prescription: Fluoxastrobin 25g, folpet 225g, ethoxy castor oil (emulsifier) 10g, fatty alcohol-polyoxyethylene ether (emulsifier) 30g, diatomite (thickener) 30g, propane diols (antifreezing agent) 60g, water complement to 1kg.
The preparation method: with water is medium, and with above-mentioned Fluoxastrobin, folpet, ethoxy castor oil, fatty alcohol-polyoxyethylene ether, diatomite and propane diols add porphyrize in the sand milling still, make the aqueous suspension agent that contains 25% active component.Be numbered A4.
Embodiment 5 contains the oil-suspending agent of 50% active component
Prescription: Fluoxastrobin 499.5g, folpet 0.5g, polyoxyethylene aliphatic alcohol ether (emulsifier) 100g, polyoxyethylene fatty acid fat (emulsifier) 50g, kaolin (thickener) 30g, paraffin oil subsidy are to 1kg.
The preparation method: with the paraffin oil is medium, and above-mentioned Fluoxastrobin, folpet, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty acid fat, kaolin are added porphyrize in the sand milling still, promptly obtains containing the oil-suspending agent of 50% active component.It is numbered A5.
Embodiment 6 contains the oil-suspending agent of 60% active component
Prescription: Fluoxastrobin 598.8g, folpet 1.2g, polyoxyethylene aliphatic alcohol ether (emulsifier) 100g, polyoxyethylene fatty acid fat (emulsifier) 50g, kaolin (thickener) 30g, paraffin oil subsidy are to 1kg.
The preparation method: with the paraffin oil is medium, and above-mentioned Fluoxastrobin, folpet, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty acid fat, kaolin are added porphyrize in the sand milling still, promptly obtains containing the oil-suspending agent of 60% active component.It is numbered A6.
Embodiment 7 contains the microcapsule suspending agent of 70% active component
Prescription: Fluoxastrobin 695g, folpet 5g, No. 150 solvent naphthas (solvent) 210g, polyureas (capsule material) 30g, polyvinyl alcohol (protectant) 10g, organosiloxane (defoamer) 0.5g, xanthans (thickener) 1.5g, sodium lignin sulfonate (dispersant) 30g, water are mended to 1Kg.
With Fluoxastrobin, folpet, mix with the mixture of No. 150 solvent naphthas and polyureas; Then this mixture is added emulsification in the mixture of being made up of polyvinyl alcohol, organosiloxane and water.Mix until polymerisation and finish; Add xanthans and sodium lignin sulfonate again, obtain stable microcapsule suspending agent.This capsule diameter intermediate value is 5～8 microns.It is numbered A7.
Embodiment 8 contains the wetting powder of 80% active component
Prescription: Fluoxastrobin 784g, folpet 16g, sodium lignin sulfonate (dispersant) 30g, sodium methylene bis-naphthalene sulfonate (dispersant NNO) 20g, soluble starch (carrier) 50g, kaolin (carrier) complement to 1kg
Preparation method: said components is fully mixed, pulverize, make the wetting powder that contains 80% active component through ultrafine crusher.It is numbered A8.
Embodiment 9 contains the water-dispersible granules of 90% active component
Prescription: Fluoxastrobin 864g, folpet 36g, calcium lignosulfonate (dispersant) 50g, fatty alcohol polyglycol ether sulphate (wetting agent) 50g, urea (carrier) complement to 1kg.
Preparation method: above-mentioned Fluoxastrobin, folpet, calcium lignosulfonate, fatty alcohol polyglycol ether sulphate, urea are mixed pulverizing, make the water-dispersible granules that contains 90% active component through fluidized drying.It is numbered A9.
Embodiment 10 contains the soluble powder of 95% active component
Prescription: Fluoxastrobin 855g, folpet 95g, lauryl sodium sulfate 20, soluble starch complement to 1kg.
Preparation method: said components is fully mixed, pulverize, make the soluble powder that contains 95% active component through ultrafine crusher.It is numbered A10.
Embodiment 11 contains the aqueous emulsion of 50% active component
Prescription: Fluoxastrobin 125g, folpet 375g, N-Methyl pyrrolidone (solvent) 50g, alkylphenol polyoxyethylene (emulsifier) 30g, fatty alcohol-polyoxyethylene ether (emulsifier) 20g, ethylene glycol (antifreezing agent) 50g, sodium alginate (thickener) 10g, water complement to 1kg.
Preparation method: above-mentioned Fluoxastrobin, folpet, N-Methyl pyrrolidone, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether are mixed into even oil phase; Ethylene glycol, sodium alginate and water are mixed into even water; Under high-speed stirred, oil phase is joined aqueous phase, form the aqueous emulsion that contains 50% active component of favorable dispersibility.It is numbered A11.
Comparative Examples 1-2
List agent of control drug Fluoxastrobin and folpet list agent (available from Shangyu Nutrichem Co., Ltd).The agent of Fluoxastrobin list is numbered C1, the agent of folpet list is numbered C2.
Experimental example 1-13
Experimental example 1-13 is used for illustrating the application of above-mentioned medicament aspect the fungus-caused plant disease of control.
The disease of plant variety and infection is as being shown in Table 1.The measuring method of different plants is as follows:
The test method of paddy rice: pot-culture method is adopted in test, and every group 12 basin is further divided into three concentration groups and one group of clear water blank in every group.When growing to the 2-3 leaf, paddy rice handles with crop sprayer foliar spray during the phase, spray the medicament that is diluted to variable concentrations respectively, spray the 4mL medicine, medicament title and content see Table 1, (adopt the spray inoculation method, spore concentration is that spore concentration is 2 * 10 spraying processing inoculation in back 24 hours germ
6Individual/mL, spray moistening getting final product to the blade face), inoculating back 8 days and investigate, the result is as shown in table 1, and its result calculates in the following way:
Control efficiency (%)=[1-(treatment region is handled preceding disease index-treatment region and is handled the sequela index)]/(disease index before check plot processing sequela index-check plot processing) * 100
The experimental technique of cucumber: the cucumber seedling pot-culture method is adopted in test, and every group 12 basin is further divided into three concentration groups and one group of clear water blank in every group.When growing to two leaves, cucumber handles with crop sprayer foliar spray during one heart stage, spray the medicament that is diluted to variable concentrations respectively, spray the 4mL medicine, medicament title and content see Table 1, (adopt the spray inoculation method, spore concentration is that spore concentration is 2 * 10 spraying processing inoculation in back 24 hours germ
6Individual/mL, spray moistening getting final product to the blade face), inoculating back 7 days and investigate, the result is as shown in table 1, and its result calculates in the following way:
Control efficiency (%)=[1-(treatment region is handled preceding disease index-treatment region and is handled the sequela index)]/(disease index before check plot processing sequela index-check plot processing) * 100
The experimental technique of eggplant: eggplant seedling pot-culture method is adopted in test, and every group 12 basin is further divided into three concentration groups and one group of clear water blank in every group.When growing to the 2-3 leaf, handles with crop sprayer foliar spray during the phase eggplant, spray the medicament that is diluted to variable concentrations respectively, spray the 4mL medicine, medicament title and content see Table 1, (adopt the spray inoculation method, spore concentration is that spore concentration is 2 * 10 spraying processing inoculation in back 24 hours germ
6Individual/mL, spray moistening getting final product to the blade face), inoculating back 8 days and investigate, the result is as shown in table 1, and its result calculates in the following way:
Control efficiency (%)=[1-(treatment region is handled preceding disease index-treatment region and is handled the sequela index)]/(disease index before check plot processing sequela index-check plot processing) * 100
Table 1
Annotate: the kind of cucumber is the close thorn in Shandong in the table, and the kind of eggplant is a Zhejiang eggplant 28, and the kind of paddy rice is fragrant round-grained rice R109.
By table 1 as can be seen, show fabulous synergistic effect with Fluoxastrobin and folpet are composite in certain ratio range, compare the obvious bactericidal effect that improved with single agent, thereby reduced the usage amount of bactericide, when reducing peasant's drug cost, reduced influence to environment.And, the multiple diseases of various crop all there is good drug effect, have the wide characteristics of fungicidal spectrum.
Claims (10)
1. a microbicide compositions is characterized in that, the active component of described microbicide compositions comprises Fluoxastrobin and folpet.
2. microbicide compositions according to claim 1, wherein, the content of described active component in microbicide compositions is 0.5-95 weight %.
3. microbicide compositions according to claim 2, wherein, the content of described active component in microbicide compositions is 5-80 weight %.
4. according to any described microbicide compositions among the claim 1-3, wherein, the weight ratio of described Fluoxastrobin and folpet is 1: 1000～1000: 1.
5. microbicide compositions according to claim 4, wherein, the weight ratio of described Fluoxastrobin and folpet is 1: 50～50: 1.
6. microbicide compositions according to claim 5, wherein, the weight ratio of described Fluoxastrobin and folpet is 1: 10～10: 1.
7. by any described microbicide compositions prepared preparation of claim 1-6, wherein, the formulation of described preparation is missible oil, aqueous emulsion, microemulsion, aqueous suspension agent, oil-suspending agent, microcapsule suspending agent, wetting powder, water-dispersible granules, soluble powder or soluble granula.
8. the application of the described preparation of claim 7 aspect the fungus-caused plant disease of control.
9. application according to claim 8, wherein, described plant is one or more in cucumber, pumpkin, custard squash, tomato, onion, shallot, beet, capsicum, wheat class, cereal, paddy rice, mung bean, tobacco, flax, strawberry, grape, citrus, tree peony, chrysanthemum, Chinese rose, rose and the rose; Described fungus-caused plant disease is one or more in powdery mildew, downy mildew, late blight, white eqpidemic disease, rotten mildew, damping off, black stem, false smut, canker, early blight, scab, rust, glume blight, net blotch, leaf blight, gray mold and the cucumber downy mildew.
10. application according to claim 9, wherein, described fungus-caused plant disease is cucumber downy mildew and/or powdery mildew.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669131A (en) * | 2012-05-24 | 2012-09-19 | 利民化工股份有限公司 | Azoxystrobin-folpet compounded suspension agent and preparation method thereof |
| CN107232212A (en) * | 2017-08-02 | 2017-10-10 | 广东广康生化科技股份有限公司 | A kind of bactericidal composition containing folpet and trifloxystrobin |
| CN108782577A (en) * | 2017-05-05 | 2018-11-13 | 广东广康生化科技股份有限公司 | A kind of bactericidal composition and application thereof containing folpet and ZEN 90160 |
| WO2023002475A1 (en) | 2021-07-17 | 2023-01-26 | Adama Makhteshim Ltd. | Aqueous fungicide mixture formulation |
-
2010
- 2010-12-06 CN CN201010582314.9A patent/CN102150671B/en active Active
Non-Patent Citations (1)
| Title |
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| SENTENAC, GILLES; BONAFOS, ROMAIN; RUELLE, BERNADETTE; COULON, T: "Side effects of certain phytopharmaceutical products on Typhlodromus pyri", 《PHYTOMA》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669131A (en) * | 2012-05-24 | 2012-09-19 | 利民化工股份有限公司 | Azoxystrobin-folpet compounded suspension agent and preparation method thereof |
| CN108782577A (en) * | 2017-05-05 | 2018-11-13 | 广东广康生化科技股份有限公司 | A kind of bactericidal composition and application thereof containing folpet and ZEN 90160 |
| CN107232212A (en) * | 2017-08-02 | 2017-10-10 | 广东广康生化科技股份有限公司 | A kind of bactericidal composition containing folpet and trifloxystrobin |
| WO2023002475A1 (en) | 2021-07-17 | 2023-01-26 | Adama Makhteshim Ltd. | Aqueous fungicide mixture formulation |
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| Publication number | Publication date |
|---|---|
| CN102150671B (en) | 2014-04-30 |
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