CN1565184A - Enostroburin and cymoxanil bactericidal compositions - Google Patents
Enostroburin and cymoxanil bactericidal compositions Download PDFInfo
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- CN1565184A CN1565184A CN 03133421 CN03133421A CN1565184A CN 1565184 A CN1565184 A CN 1565184A CN 03133421 CN03133421 CN 03133421 CN 03133421 A CN03133421 A CN 03133421A CN 1565184 A CN1565184 A CN 1565184A
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Abstract
The invention discloses a sterilization compound containing Enostroburin and cymoxanil, wherein the weight portion of the two active components is 1:100 to 100:1, the weight percentage content of the active constituents in the composition is 0.5-95%, and the composition comprises at least two carrying agents, at least one of which is surface active agent. the composition can be prepared into missible oil, suspending agent, aqueous emulsion, wet powder, and wet pelletized granule. The invention can be applied to treat the diseases caused by pathogenic bacteria.
Description
Technical field
The invention belongs to the disinfectant use in agriculture field.
Background technology
Enestroburin is the outstanding bactericide of plurality of plant diseases such as control cereal, paddy rice, fruit, vegetables and economic crops, its fungicidal spectrum wide, active high, have prevention and therapeutic action and good compatibility arranged, to good control efficiency being arranged by mastigomycetes, the plurality of plant diseases that causes in conjunction with bacterium, sac fungi, basidiomycetes and imperfect fungus with environmental organism.This compound is formulated, is disclosed first in CN1191670A by Chinese Shenyang Chemical Engineering Inst.Enestroburin belongs to the new type bactericide of methoxy acrylic, and this series bactericidal agent activity is high, consumption is few, has treatment and protective effect, is widely used in preventing and treating corps diseases.But because the action site of this series bactericidal agent is very single, germ can produce adaptive variation to medicament, the preventive effect of medicament is reduced even invalid, develops immunity to drugs.The resistance of Enestroburin is found as yet in the field at present, but is had the relevant report that produces resistance in Europe with veriety.
Summary of the invention
For fear of the resistance of using the agent of Enestroburin list to bring take place, degradation problem under the drug effect, the invention discloses a kind of bactericidal composition, preparation of compositions and application that contains Enestroburin and white urea cyanogen.
Enestroburin chemical name: 3-methoxyl group-2-[2-((((1-methyl-3-(4-chlorphenyl)-2-acrylic fork) amino) oxygen)-methyl) phenyl] methyl acrylate, structural formula is as follows:
Frost urea cyanogen (English common name: cymoxanil, see that the Ministry of Chemical Industry agricultural chemicals central information facility publishes " external pesticide species handbook) be a kind of efficient, low toxicity bactericide, has local systemic action, be widely used in brassicaceous vegetable such as cucumber, grape, tomato, lichee, huge dish and tobacco etc. and go up the Peronosporales fungi, as: epidemic disease frost genus, Peronospora, single shaft frost belong to.The chemical name of this compound: 1-(2-cyano group-2-methoxyl group imido grpup)-3-ethyl carbamide, structure is as follows:
Have now found that the bactericidal composition that contains Enestroburin and white urea cyanogen that the present invention proposes has obvious synergistic effect, the control efficiency of corps diseases is significantly increased, and can enlarge fungicidal spectrum, delay the drug-fast generation of pathogen.Enestroburin is different with white urea cyanogen structure type, mechanism of action is different, and the two is composite can to delay to a certain extent that the pathogen pesticide resistance produces and development, can reduce production costs simultaneously.
Bactericidal composition of the present invention contains Enestroburin and two kinds of active components of white urea cyanogen, and Enestroburin and white urea cyano group are 1: 100 to 100: 1 in the ratio of weight and number of active component.Better suited ratio is 1: 20 to 20: 1.
Active component is 0.5% to 95% of a gross weight in the bactericidal composition of the present invention.The amount that contains active component in the microbicide compositions of the present invention depends on the amount of application when every kind of component is used separately, also depends on the ratio of a kind of component and another kind of component and the degree of synergistic effect.
Contain at least two kinds of carriers in the bactericidal composition of the present invention.Carrier can be solid or liquid, and the carrier that is generally used for preparing microbicide compositions all can use.
The present composition can be mixed with missible oil, suspending agent, (water) emulsion, wetting powder, (aqueous dispersion) granule, also can use the solution and the powder that are included in the polymer capsule, as flood the natural or synthetic material or the carrier of active substance.These preparations can be prepared by method in common, for example, active substance is mixed with liquid flux and/or solid carrier, add surfactant such as emulsifier, dispersant, stabilizing agent, wetting agent simultaneously, can also add adhesive, defoamer, oxidant, dyestuff.Agriculturally useful compositions is mixed with various preparations usually, is diluted before use or directly use by the user.Exist a spot of supporting surfactant to help dilution in the preparation.Therefore, at least a carrier is a surfactant in the composition of the present invention.
The present invention also comprises the method for preparing above-mentioned bactericidal composition.If water is as thinner, organic solvent also can be used as attached cosolvent or stabilizing agent and antifreezing agent.The organic solvent that is fit to comprises aromatic hydrocarbons, chlorinated aromatic hydrocarbons, chloro aliphatic hydrocarbon, aliphatic hydrocarbon, particularly suitable be polar solvent, for example isopropyl alcohol, butanols, ethylene glycol, propane diols, glycerine, sorbierite, phenmethylol, furfuryl alcohol and cyclohexanol, and acetone, MEK, methyl iso-butyl ketone (MIBK), cyclohexanone, butyrolactone, dimethyl formamide, pyrrolidones, N-Methyl pyrrolidone also have vegetable oil and the molten fiber of methyl simultaneously.
Surfactant can be emulsifier, dispersant or wetting agent; Can be nonionic or ionic.For example, lauryl sodium sulfate, Teepol, neopelex; Polyoxyethylene fatty acid fat, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine, or directly use commercially available emulsifier: agricultural newborn 0201B, agricultural newborn 0203B etc.Material as dispersant and wetting agent has: sodium lignin sulfonate, draw back powder, calcium lignosulfonate, and sldium lauryl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, octylphenol polyethylene oxyethylene group ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, sodium alkyl sulfonate, neopelex etc.
Adhesive; can be for example carbonyl methyl cellulose, polyvinyl alcohol or the polyvinyl acetate that synthesize or natural water-soluble polymer for example xanthans, gelatin, gum Arabic, polyvinylpyrrolidone, aluminium-magnesium silicate, polyvinyl alcohol, polyethylene glycol, phenolic resins, shellac and sodium alginate etc., add in the preparation with powder, particle or latex form.
Defoamer is: bubble enemy, silicone, C8～10 fatty alcohols, phosphoric acid ester, C10～20 saturated fat acids (as capric acid) and acid amides etc.
The solid carrier that is fit to comprises natural or synthetic clay and silicate, is applicable to that the solid carrier of pulvis comprises rock dust, chalk, quartz, clay, imvite, silica, diatomite, float stone, gypsum, talcum, bentonite, kaolin, potter's clay, the white carbon black of natural formation and for example microdispersed silicic acid of the mineral matter that grinds or the aluminium oxide that synthesizes; The particulate vector that is fit to comprises broken and natural rock classification for example calcite, marble, float stone, sepiolite and dolomite and the synthetic particle made by the powder of organic matter and inorganic matter.
According to the preparation type of composition, solid pharmaceutical preparation contains 5% to 85% active substance by weight, preferably is 10-80%; Liquid preparation contains 1-70% active substance by weight; Suspension preparation contains the active substance of 10-60% by weight.Below all percentage compositions be percetage by weight.
Missible oil contains the 10-50% active component usually, also contains other additive of solvent (also containing cosolvent when needed), 2-20% emulsifier and 0-20%, for example stabilizing agent, bleeding agent and corrosion inhibitor.Wetting powder contains the active component of 10-85% usually, except solid inert carrier, contains the dispersant of 3-10% usually, if desired, contains stabilizing agent and/or other additive of 0-10%, for example bleeding agent or sticker.(water dispersible) granule is made 10-100 international standard sieve mesh (1.676-0.152mm) particle usually, can be by reuniting or soaking into the method preparation.Usually granule contains the active component of 0.5-75% and the additive of 0-10%, for example stabilizing agent, surfactant, slow release regulator and adhesive.Suspending agent need stir sand milling usually, to obtain stable non-deposition flowable product, it contains the 10-75% active component usually, the 0.5-15% dispersant, the thixotropic agent of 0.1-10%, other additive of 0-10% is defoamer, corrosion inhibitor, stabilizing agent, bleeding agent and sticker for example, water or organic liquid, and wherein active component is undissolved basically.Some organic solid or mineral salt can be dissolved in the preparation, to help preventing deposition or as antifreezing agent.Moisture dispersion liquid and emulsion, for example the composition that obtains of dilute with water wetting powder of the present invention or concentrate also within the scope of the invention.Above-mentioned emulsion can be water-in-oil type or oil-in-water type, can have dense thick pulpous state denseness.
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 with independent preparation, directly mixes in bucket (jar) before using.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 preventing and treating the disease that is caused various plants by disease fungus, as cereal, wheat, paddy rice, grape, strawberry, cucumber, custard squash, capsicum, pimento, eggplant, tomato, Kidney bean, cowpea, leek, lettuce, Chinese cabbage, sunflower, lichee, tobacco, rubber and some flowers, traditional Chinese medicine, lawn etc.The place of using of microbicide compositions of the present invention is farmland, orchard or warehouse etc.
Composition of the present invention also can with other compound with weeding, desinsection or bactericidal property particularly protective fungicide mix use, can also mix use with nematocide, protective agent, growth regulator, nutrient for plants or soil conditioner.
The present invention comprises that also a kind of scene kills the method for fungi, before or after crop and/or fruit are susceptible, uses composition of the present invention to the place of crop and/or fruit and growth or storage.Can use by common method, as cast, injection, spraying, dusting, distribution.Amount of application of the present invention is with weather condition or crop state variation.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.
Composition of the present invention has four advantages: the one, and composition shows fabulous synergistic effect in certain ratio range, the bactericidal effect of composition is significantly improved than its single agent, thereby reduced using dosage, when reducing peasant's drug cost, reduced influence degree.The 2nd, enlarged fungicidal spectrum, the medicament characteristic also obtains extremely strong mutual supplement with each other's advantages, and a kind of medicament can be prevented and treated the various crop disease simultaneously, and a kind of means of prevention extremely easily and effectively is provided.The plant disease that various plants such as cereal, vegetables, fruit, lawn and tropical crop are caused by disease fungus is for example: downy mildew, eqpidemic disease, rice blast, head blight, damping off, cotton disease, white blister, balck shank etc. all have good control efficiency.The 3rd, be mixed and can significantly reduce production costs.The 4th, the application of said composition, the resistance that can delay single agent produces and development, and interracial structure differs bigger, does not have cross resistance.Thereby enlarged Enestroburin controlling object, prolong its life cycle.
Embodiment
The present invention is elaborated with following instantiation, 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 proportioning of all preparations; The treatment dosage of biologically-active moiety is effective content.
Preparation of compositions and biologically active 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 example 1～3 prescription.
Embodiment 1 (20% missible oil)
Frost urea cyanogen 10%, Enestroburin 10%, farming breast 500
#7.5%, agricultural newborn 600-2
#4.5%, 10%N-methyl pyrrolidone 10%, dimethylbenzene complements to 100%.
Embodiment 2 (30% missible oil)
Frost urea cyanogen 20%, Enestroburin 10%, farming breast 500
#10%, agricultural newborn OX-635 5%, methyl iso-butyl ketone (MIBK) 10%, N-Methyl pyrrolidone 10%, dimethylbenzene complements to 100%.
Embodiment 3 (40.5% missible oil)
Frost urea cyanogen 36%, Enestroburin 4.5%, farming breast 500
#13%, agricultural newborn OX-635 5.5%, methyl iso-butyl ketone (MIBK) 10%, N-Methyl pyrrolidone 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 example 4～7 prescriptions
Embodiment 4 (25% wetting powder)
Frost urea cyanogen 12.5%, Enestroburin 12.5%, lauryl sodium sulfate 1.5%, white carbon black 5%, sodium lignin sulfonate 8%, precipitated calcium carbonate complements to 100%.
Embodiment 5 (30% wetting powder)
Frost urea cyanogen 20%, Enestroburin 10%, lauryl sodium sulfate 1.5%, carboxymethyl cellulose 1%, octylphenol polyethylene oxyethylene group ether sulfate 10%, white carbon black 5%, precipitated calcium carbonate complements to 100%.
Embodiment 6 (45% wetting powder)
Frost urea cyanogen 25%, Enestroburin 20%, neopelex 2%, white carbon black 10%, naphtholsulfonic acid formaldehyde condensation products sodium salt 10%, precipitated calcium carbonate complements to 100%.
Embodiment 7 (52.5% wetting powder)
Frost urea cyanogen 50%, Enestroburin 2.5%, neopelex 2%, white carbon black 10%, naphtholsulfonic acid formaldehyde condensation products sodium salt 10%, precipitated calcium carbonate complements to 100%.
3. the preparation of aqueous emulsion
Former medicine, solvent, emulsifier are added together, make and be dissolved into 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 example 8～10 prescriptions.
Embodiment 8 (15% aqueous emulsion)
Frost urea cyanogen 10%, Enestroburin 5%, polyvinyl alcohol 1.5%, sorbitan fatty acid ester polyoxyethylene groups ether 8%, alkyl-diethylene glycol ether-sodium sulfonate 2.5%, farming breast 2,201 2%, N-Methyl pyrrolidone 8%, ethylene glycol 8%, water complements to 100%.
Embodiment 9 (20% aqueous emulsion)
Frost urea cyanogen 10%, Enestroburin 10%, polyvinyl alcohol 0.9%, alkylaryl polyoxyethylene poly-oxygen propylene aether 8.5%, farming breast 2,201 15%, dimethyl formamide 12%, ethylene glycol 10%, water complements to 100%.
Embodiment 10 (28.5% aqueous emulsion)
Frost urea cyanogen 1.5%, Enestroburin 27%, polyvinyl alcohol 0.9%, alkylaryl polyoxyethylene poly-oxygen propylene aether 8.5%, farming breast 2,201 15%, dimethyl formamide 12%, ethylene glycol 10%, water complements to 100%.
4. the preparation of water-dispersible granules
Former medicine and powder carrier, wetting spreader-sticker 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 get granular product.As example 11～13 prescriptions.
Embodiment 11 (40% water-dispersible granules)
Frost urea cyanogen 5%, Enestroburin 35%, methyl naphthalene sulfonate formaldehyde condensate 10%, neopelex 12%, soluble starch 15%,, attapulgite complements to 100%.
Embodiment 12 (50% water-dispersible granules)
Frost urea cyanogen 25%, Enestroburin 25%, methanonaphthalene sodium sulfonate 10%, neopelex 15%, polyvinylpyrrolidone 5%, attapulgite complements to 100%.
Embodiment 13 (60% water-dispersible granules)
Frost urea cyanogen 35%, Enestroburin 25%, methyl naphthalene sulfonate formaldehyde condensate 12%, neopelex 15, soluble starch 15%,, attapulgite 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 example 14～15 prescriptions.
Embodiment 14 (25% suspending agent)
Frost urea cyanogen 10%, Enestroburin 15%, methyl naphthalene sulfonate formaldehyde condensate 5.5%, 0203B5%, white carbon black 2%, aluminium-magnesium silicate 0.3%, ethylene glycol 8%, tributyl phosphate a little, water complements to 100%.
Embodiment 15 (35% suspending agent)
Frost urea cyanogen 22.5%, Enestroburin 12.5%, calcium lignosulfonate 3%, white carbon black 1%, 0203B 5%, 0201B 2%, ethylene glycol 8%, tributyl phosphate a little, water complements to 100%.
6. biologically active
Field efficacy test grading standard is carried out the grade scale classification record of medicine inspecting institute of the Ministry of Agriculture " agricultural chemicals field trial criterion ", calculates control efficiency with disease index.
Embodiment 16 bacteriostatic activities (potato late blight)
In the toxic dielectric method of indoor employing, measure example of formulations 4 (25% wetting powder) but and single agent 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling to the fungistatic effect of potato late blight.Test method: in PDA medium (full nutrition), add quantitative pharmacy (establishing not dosing blank in addition) respectively, cooling back inoculation phytophthora infestans (Phytophthora infestans), cultivate 24 ℃ of unglazed photographs under the condition, cultivate and carry out result's investigation after 120 hours.Test result is as follows:
Embodiment 17 bacteriostatic activities (capsicum epidemic disease)
In the toxic dielectric method of indoor employing, measure example of formulations 1 (20% missible oil) but and 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling to the fungistatic effect of capsicum epidemic disease.Test method: in PDA medium (full nutrition), add quantitative pharmacy (establishing not dosing blank) respectively, cooling back inoculation phytophthora capsici (Phytophthora capsici) bacterial classification, cultivate 24 ℃ of unglazed photographs under the condition inoculation back, cultivates and carry out result's investigation after 120 hours.Test result is as follows:
Embodiment 18 potted plant activity (cucumber downy mildew)
Potted plant seedling method is taked in test, measure embodiment 9 (20% aqueous emulsion) but and 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling to the control efficiency of cucumber downy mildew.Test method: cucumber seedling is cultured to the open and flat phase of 2 leaves, by 200,100,50,25ug/ml treatment dosage (establishing the blank of the spray clear water in addition) processing of on the crop sprayer, spraying, inoculate bacterium of downy mildew of cucumber (Pseudoperaospora cubensis) after 24 hours, result's investigation is carried out in the back cultivation of preserving moisture in climatic cabinate of inoculation after 7 days.Test result is as follows:
Embodiment 19 potted plant activity (tomato late blight)
Potted plant seedling method is taked in test, measure embodiment 12 (50% water-dispersible granules) but and 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling to the control efficiency of tomato late blight.Test method: tomato seedling was cultured to for 4 leaf phases, by 200,100,50,25ug/ml treatment dosage (establishing the blank of the spray clear water in addition) processing of on the crop sprayer, spraying, inoculating tomato late disease bacteria after 24 hours (P.infestans de Bary), result's investigation is carried out in the back cultivation of preserving moisture in climatic cabinate of inoculation after 8 days.Test result is as follows:
Embodiment 20 potted plant activity (downy mildew of garpe)
Potted plant seedling method is taked in test, measure embodiment 14 (25% suspending agent) but and 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling to the control efficiency of downy mildew of garpe.Test method: will insert the skewer grape seedling and be cultured to for 3 leaf phases, by 200,100,50,25ug/ml treatment dosage (establishing the blank of the spray clear water in addition) processing of on the crop sprayer, spraying, inoculation downy mildew of garpe germ (Plasmopara viticola) after 24 hours, result's investigation is carried out in the back cultivation of preserving moisture in climatic cabinate of inoculation after 10 days.Test result is as follows:
Embodiment 21 field sub-district control efficiency (potato late blight)
At field test embodiment 7 (but 52.5% wet-milling) but and the control efficiency of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling potato late blight.Potato kind: Chongqing of Sichuan 218; Pathogen: phytophthora infestans (P.infestansdeBary); Method:, carry out chemicals treatment in the potato late blight their early stage in the heavier potato producing region of falling ill year after year.Embodiment 7 (but 52.5% wet-milling) but and the formulation rate of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling be per hectare (active ingredient) 400,200,100,50 grams, dispenser 3 times, 7 days at interval, 14 days investigation preventive effects after the 3rd dispenser.Test result is as follows:
Embodiment 21 field sub-district control efficiency (cucumber downy mildew)
In protection ground, measure embodiment 13 (60% water dispersion granule) but and the control efficiency of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling cucumber downy mildew.Cucumber variety: the close thorn in Xintai City; Pathogen: bacterium of downy mildew of cucumber (Pseudoperaospora cubensis); Method:, carry out chemicals treatment in the cucumber downy mildew their early stage in the heavier vegetables main producing region of falling ill year after year.Embodiment 13 (60% water dispersion granule) but and the formulation rate of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling be per hectare (active ingredient) 400,200,100,50 grams, dispenser 4 times, 7 days at interval, 8 days investigation preventive effects after the 4th dispenser.Test result is as follows:
Embodiment 22 field sub-district control efficiency (downy mildew of garpe)
At field test embodiment 2 (30% missible oil) but and the control efficiency of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling downy mildew of garpe.Cucumber variety: huge rich; Pathogen: downy mildew of garpe bacterium (Plasmopara viticola); Method: the their early stage in downy mildew of garpe carries out chemicals treatment.Embodiment 2 (30% missible oil) but and the formulation rate of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling be per hectare (active ingredient) 400,200,100,50 grams, dispenser 3 times, 7 days at interval, 10 days investigation preventive effects after the 3rd dispenser.Test result is as follows:
Embodiment 23 field sub-district control efficiency (tomato late blight)
In protection ground, measure embodiment 5 (30% wetting powder) but and the control efficiency of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling tomato late blight.Tomato variety: hair powder 402; Pathogen: tomato late blight (Phytophthorainfestans); In the late March in spring, dispenser when field first meeting scab; Embodiment 5 (30% wetting powder) but and the formulation rate of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling be per hectare (active ingredient) 400,200,100,50 grams, dispenser 3 times, 7 days at interval, 8 days investigation preventive effects after the 3rd dispenser.Test result is as follows:
Embodiment 24 field sub-district control efficiency (capsicum epidemic disease)
In protection ground, measure embodiment 11 (40% water dispersion granule) but and the control efficiency of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling capsicum epidemic disease.Capsicum variety: the ears of an ox or cow king; Pathogen: Phytophthora capsici (P.capsici Leonian); In the late March in spring, dispenser when field first meeting diseased plant; Embodiment 11 (40% water dispersion granule) but and the formulation rate of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling be per hectare (active ingredient) 400,200,100,50 grams, dispenser 4 times, 7 days at interval, 7 days investigation preventive effects after the 4th dispenser.Test result is as follows:
Sub-district, embodiment 25 field control efficiency (Chinese cabbage downy mildew)
Under field condition, measure embodiment 3 (40.5% missible oil) but and the control efficiency of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling Chinese cabbage downy mildew.Chinese cabbage cultivar: in white No. 50; Pathogen: Chinese cabbage downy mildew (Peronosporaparasitica); Mid-September in autumn, dispenser when field first meeting diseased plant; Embodiment 3 (40.5% missible oil) but and the formulation rate of 25% Enestroburin missible oil, 50% white urea cyanogen wet-milling be per hectare (active ingredient) 400,200,100,50 grams, dispenser 4 times, 7 days at interval, 7 days investigation preventive effects after the 4th dispenser.Grade scale and control efficiency are calculated with embodiment 18.Test result is as follows:
Claims (7)
1, a kind of bactericidal composition contains Enestroburin and white urea cyanogen, and Enestroburin and white urea cyano group are 1: 100 to 100: 1 in the ratio of weight and number of active component.
2, bactericidal composition according to claim 1 is characterized in that: Enestroburin and white urea cyano group are 1: 20 to 20: 1 in the ratio of weight and number of active component.
3, bactericidal composition according to claim 1 and 2 is characterized in that: the active component weight percentage in the composition is 0.5-95%.
4, bactericidal composition according to claim 1 is characterized in that: contain at least two kinds of carriers in the composition, wherein at least a is surfactant.
5, bactericidal composition according to claim 1 is characterized in that: said composition can be mixed with missible oil, suspending agent, aqueous emulsion, wetting powder or water dispersion granule.
6, the described bactericidal composition of claim 1 is used to prevent and treat the purposes of the plant disease that is caused by disease fungus.
7, the method for fungi is killed at a kind of scene, it is characterized in that: before or after crop and/or fruit are susceptible, use claim 1 or 5 described bactericidal compositions to the place of crop and/or fruit and growth or storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031334210A CN100352348C (en) | 2003-06-10 | 2003-06-10 | Enostroburin and cymoxanil bactericidal compositions |
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| CNB031334210A CN100352348C (en) | 2003-06-10 | 2003-06-10 | Enostroburin and cymoxanil bactericidal compositions |
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| CN100352348C CN100352348C (en) | 2007-12-05 |
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| UA54395C2 (en) * | 1995-06-16 | 2003-03-17 | Баєр Акціенгезельшафт | Phytobactericidal composition, a method of controlling and preventing plant diseases, a plant propagating material |
| CN1062711C (en) * | 1998-02-10 | 2001-03-07 | 化工部沈阳化工研究院 | Pesticide and fungicide of unsaturated oximido ethers |
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