CN103766350A - Bactericidal composition containing trifloxystrobin and tebuconazole - Google Patents
Bactericidal composition containing trifloxystrobin and tebuconazole Download PDFInfo
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- CN103766350A CN103766350A CN201410026153.3A CN201410026153A CN103766350A CN 103766350 A CN103766350 A CN 103766350A CN 201410026153 A CN201410026153 A CN 201410026153A CN 103766350 A CN103766350 A CN 103766350A
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- tebuconazole
- active component
- bacterium ester
- oxime bacterium
- bactericidal composition
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Abstract
The invention discloses a bactericidal composition containing trifloxystrobin and tebuconazole, which contains the effective active components trifloxystrobin and tebuconazole. The weight ratio of the trifloxystrobin to the tebuconazole is 60:1-1:60. The bactericide composition contains at least one surfactant, and thus, the active components can be easily dispersed in water. The bactericidal composition has the activities of protection, treatment and removal, and can be used on multiple crops, such as wheat, rice, vegetables, fruit trees and the like, for preventing and treating leaf blight, brown leaf rust, glume blight, brown spot, powdery mildew and the like.
Description
Technical field
The present invention relates to a kind of agricultural chemicals, especially a kind of preparation of the bactericidal composition containing oxime bacterium ester and Tebuconazole and application.
Background technology
Oxime bacterium ester, English common name (trifloxystrobin), molecular formula: C
20h
19f
3n
2o
4, chemical name: methyl (E)-methoxyl group imido grpup-(E)-α-[1-(α, the fluoro-m-tolyl of α-tri-) ethyleneimino oxygen base]-o-tolyl } ethyl acetate.Oxime bacterium ester belongs to oxime bacterium ester class wide-spectrum bactericide, is the new fungicides of a class of successfully developing as bactericide lead compound from natural products Strobilurins.Characteristics such as thering is efficient, wide spectrum, protection, treat, root out, infiltration, systemic activity, resistance of rainwater washing against, lasting period are long.To Isosorbide-5-Nitrae-demethylation enzyme inhibitor, benzamides, it is effective that dicarboxyl amine and benzimidazole produce the bacterial strain of resistance, with at present existing bactericide without cross resistance.Nearly all Mycophytes (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease is all had to good activity as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc.Except powdery mildew, leaf spot are had special efficacy, rust, downy mildew, damping off, apple scab are had to good activity.To crop safety, because it is at soil, capable of being fast degraded in water, therefore environmentally safe.
Tebuconazole, English common name (Tebuconazole), molecular formula: C
16h
22clN
3o, chemical name: (RS)-1-(4-chlorphenyl)-4,4-dimethyl-3-(1H-1,2,4 triazol-1-yl methyl) penta-3-alcohol.Tebuconazole is to belong to triazole bactericidal agent, is sterol demethylation inhibitor, and its bactericidal mechanism is the demethylation that suppresses ergosterol on pathogen cell membrane, makes pathogen cannot form cell membrane, thus kill pathogenic bacteria.Be for the seed treatment of Important Economic crop or the efficient germicide of foliage spray, can effectively prevent and treat Erysiphe, Puccinia, Rhynchosporium spp．, nuclear cavity Pseudomonas and the germ disease of Septoria of cereal crop.Tebuconazole is a kind of efficient, wide spectrum, interior absorption triazole bactericidal agent, has protection, treats, roots out three large functions, and fungicidal spectrum is wide, and the lasting period is long.This product not only preventive effect is good, and have resistant to lodging, the feature such as production-increasing function is obvious.Become one of emerging broad-spectrum germicide Representative Cultivars of widely used triazole type in the world.Tebuconazole belongs to low toxicity bactericide, under experimental condition, has no teratogenesis, carcinogenic, mutagenesis.
At present, oxime bacterium ester and Tebuconazole composite and being applied in both at home and abroad not yet disclosed.
Summary of the invention
The object of the invention is a kind ofly can to prevent the generation of disease drug resistance or delay pesticide resistance speed in order to propose the bactericidal composition containing oxime bacterium ester and Tebuconazole that use cost is low, preventive effect is good.
The present invention is achieved through the following technical solutions:
The bactericidal composition that the present invention proposes contains A, two kinds of active components of B.
Active component A is oxime bacterium ester.
Active component B is Tebuconazole.
The ratio of weight and number of A, two kinds of active components of B is 60:1～1:60, and preferred ratio of weight and number is 30:1～1:30, and preferred ratio of weight and number is: 10:1～1:10.
The amount of application when content of active component depends on independent use in the present composition, also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with target fungi.Conventionally in composition, the weight percentage of active component A and B is gross weight 1～90%, is preferably 10%～80%.According to different preparation types, active component content scope is different.Conventionally, containing 1～70% active component by weight in liquid preparation, is preferably 5～50%; Solid pharmaceutical preparation contains 5～85% active component by weight, is preferably 10～80%.
In bactericidal composition of the present invention, contain a kind of active ingredient, wherein at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use.Surface-active contents is 5～30% of active ingredient gross weight, and surplus is solid or liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, emulsifier or defoamer.According to different dosage form, in preparation, can also contain disintegrant known in those skilled in the art, antifreeze etc.
Composition of the present invention can be by user before use through dilution or directly use.Its configuration can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active component, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, aqueous emulsion, seed treatment.
Bactericidal composition of the present invention has protection concurrently, treats and roots out activity; can be used for various crop; as: wheat, paddy rice, vegetables, fruit tree etc.; prevent and treat the microbial plant disease of multiple cause of disease, powdery mildew to crop, rust, glume blight, net blotch, downy mildew, rice blast etc. all have fabulous activity.
Composition of the present invention has following advantage:
(1) said composition shows significant synergistic effect in certain ratio range, has both improved protection effect, has reduced mu dosage and cost, has expanded again fungicidal spectrum;
(2), because each active component in said composition does not exist the problem of cross resistance, so the application of said composition can reach and delay the drug-fast generation of pathogen and development, the result of use that contributes to extend this medicament, reduces pesticide resistance and produces probability;
(3) improved safety, mixture will be lower on the impact of environment, safer.
Embodiment
Below by specific embodiment, the invention will be further described, but the present invention is not limited by following examples.
The bactericidal composition that the present invention proposes contains A, two kinds of active components of B.
Active component A is oxime bacterium ester.
Active component B is Tebuconazole.
The ratio of weight and number of A, two kinds of active components of B is 60:1～1:60, and preferred ratio of weight and number is 30:1～1:30, and preferred ratio of weight and number is: 10:1～1:10.
The amount of application when content of active component depends on independent use in the present composition, also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with target fungi.Conventionally in composition, the weight percentage of active component A and B is gross weight 1～90%, is preferably 10%～80%.According to different preparation types, active component content scope is different.Conventionally, containing 1～70% active component by weight in liquid preparation, is preferably 5～50%; Solid pharmaceutical preparation contains 5～85% active component by weight, is preferably 10～80%.
In bactericidal composition of the present invention, contain a kind of active ingredient, wherein at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use.Surface-active contents is 5～30% of active ingredient gross weight, and surplus is solid or liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, emulsifier or defoamer.According to different dosage form, in preparation, can also contain disintegrant known in those skilled in the art, antifreeze etc.
Composition of the present invention can be by user before use through dilution or directly use.Its configuration can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active component, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, aqueous emulsion, seed treatment.
When making wetting powder, composition comprises following constituent content: active component A 1～60%, active component B1～60%, dispersant 5～10%, wetting agent 2～10%, filling supply 100%.
Active component A, active component B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into wetting powder product of the present invention.
Wetting powder the key technical indexes of the present invention:
When making water dispersible granules, composition comprises following constituent content: active component A 1～60%, active component B1～60%, dispersant 3～13%, wetting agent 1～6%, disintegrant 1～10%, binding agent 1～6%, filling supply 100%.
By mixing such as active component A, active component B, dispersant, wetting agent, disintegrant, fillers, be crushed to through airslide disintegrating mill the particle diameter needing together, then add other auxiliary agents such as binding agent, obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, can be made into water dispersible granules product of the present invention.
Water dispersible granules the key technical indexes of the present invention:
When making suspending agent, composition comprises following constituent content: active component A 1～40%, active component B1～40%, dispersant 2～12%, wetting agent 2～10%, defoamer 0.1～1.2%, thickener 0.1～2%, antifreeze 0.1～9%, deionized water add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in above-mentioned formulation material are mixed through high speed shear, add active component A, active component B, ball milling 2～3.5 hours in ball mill, makes diameter of particle all below 5 μ m, makes suspending agent product of the present invention.
Suspending agent the key technical indexes of the present invention:
When making aqueous emulsion, composition comprises following constituent content: active component A 1～40%, active component B1～40%, solvent 1～30%, emulsifier 1～15%, co-emulsifier 0～6%, antifreeze 0～10%, thickener 0.1～2%, defoamer 0.01～2%, deionized water add to 100%.
Above-mentioned formulation material is mixed, active principle A, active principle B, solvent, emulsifier, co-emulsifier are added together, make to be dissolved into even oil phase; Water, defoamer, thickener, antifreeze are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase, make aqueous emulsion product of the present invention.
Aqueous emulsion the key technical indexes of the present invention:
Described dispersant is selected from alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, aryl phenol polyoxyethylene succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalenesulfonateformaldehyde formaldehyde amine condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, one or more in ester APEO.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, sodium dodecylbenzenesulfonate, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, soapberry powder.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, glucose, aluminium chloride.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol.
Described defoamer is selected from: silicone, C
8～10aliphatic alcohols, C
10～20one or more in saturated fat acids and acid amides, silicone oil, silicone compound.
Described emulsifier is selected from one or more in alkyl benzene sulfonate calcium salt, styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, phenethyl phenol polyethenoxy ether, 506#, 600#, 700#, NP-10 phosphate, OP-10 phosphate, castor oil polyoxyethylene ether, sorbester p17, Tween 80,602#.
Described co-emulsifier is one or more in butanols, isobutanol, dodecanol-1, tetradecanol-1, octadecanol-1.
Described solvent is selected from one or more in toluene, dimethylbenzene, methyl alcohol, ethanol, acetone, ether, cyclohexanone, vegetable oil, dimethyl formamide, acetonitrile, polyethylene glycol, pyrrolidones, solvent N-chain alkyl pyrrolidones.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
Bactericidal composition of the present invention has protection concurrently, treats and roots out activity; can be used for various crop; as: wheat, paddy rice, vegetables, fruit tree etc.; prevent and treat the microbial plant disease of multiple cause of disease, powdery mildew to crop, rust, glume blight, net blotch, downy mildew, rice blast etc. all have fabulous activity.
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.
Method one: Toxicity Determination
Oxime bacterium ester and Tebuconazole are composite to target fungus Toxicity Determination.
Test medicine provides by crop Science and Technology Ltd. of Zhejiang Taida.
After the effective inhibition concentration scope of each medicament is determined in prerun, each medicament is established respectively 5 meterings by active constituent content and is processed, and establishes clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt mycelial growth rate method to measure the virulence of medicament to target fungus.After 72h, measure colony diameter by right-angled intersection method, calculate net production, mycelial growth inhibition rate everywhere.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value to (x), tries to achieve virulence regression equation (y=a=bx) with method of least squares, and calculates thus the EC of every kind of medicament
50value.Calculate the different proportioning synergy ratios of two medicaments (SR) according to Wadley method, SR < 0.5 is antagonism simultaneously, and 0.5≤SR≤1.5 are summation action, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively oxime bacterium ester and Tebuconazole shared ratio in composition:
A is oxime bacterium ester.
B is Tebuconazole.
Result of the test is as shown in the table:
The composite toxicity test analysis of results table to rice blast of table 1 oxime bacterium ester and Tebuconazole
As shown in Table 1, Tebuconazole, the EC of oxime bacterium ester to rice blast
50be respectively 0.33mg/L and 1.24mg/L.Tebuconazole, both mixtures within the scope of 60:1～1:60 of oxime bacterium ester all show obvious synergistic effect.Wherein, both mixed synergies within the scope of 30:1～1:30 are comparatively desirable, and within the scope of 10:1～1:10, mixed synergies is particularly outstanding.
Method two: field control effectiveness test
Application examples 1
The 30% Tebuconazole oxime bacterium ester suspending agent control wheat powdery mildew test of pesticide effectiveness.
Tebuconazole 8%, oxime bacterium ester 22%, polycarboxylate 3%, lignosulfonates 3%, sodium dodecylbenzenesulfonate 4%, polyoxyethylene nonylphenol ether modified phosphate 3%, acetone 6%, xanthans 0.5%, propane diols 3%, deionized water add to 100%, mix and make 30% Tebuconazole oxime bacterium ester suspending agent.This proportioning is by 4000 times of dilution sprayings, in their early stage dispenser, after medicine, 3 days, 15 days, 30 days control wheat powdery mildew effects are respectively 93.27%, 97.56%, 92.47%, 25% Tebuconazole missible oil and 28% oxime bacterium ester pulvis are according to same method, use by 3500 times and 2000 times of dilutions respectively, after medicine, 15 days preventive effects are respectively 73.7% and 71.1%.
Application examples 2
10% Tebuconazole oxime bacterium ester seed treatment is processed wheat seed test.
Tebuconazole 5%, oxime bacterium ester 5%, polycarboxylate 3%, lignosulfonates 4%, sodium dodecylbenzenesulfonate 4%, xanthans 3%, polyvinyl acetate 3%, sodium dichlorophenol indophenol 2%, alkyl benzene sulfonate calcium salt 3%, deionized water add to 100%, mix and make 10% Tebuconazole oxime bacterium ester seed treatment.This proportioning is pressed 30g/100kg seed seed dressing, in closed container, seed dressing is mixed to 1 minute with seed jolting, then by planting seed to experimental field, and in one day laggard row man-made irrigation.After planting 28 days calculate preventive effect is 100%, does not observe and infects.Contrast medicament 15% Tebuconazole missible oil and 20% oxime bacterium ester pulvis are used according to same method, within after planting 28 days, calculate preventive effect and are respectively 86.3% and 81.5%.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.
Claims (8)
1. containing a bactericidal composition for oxime bacterium ester and Tebuconazole, it is characterized in that: in composition, the ratio of weight and number of active component A and B is 60:1～1:60, described active component A is oxime bacterium ester; Active component B is Tebuconazole.
2. the bactericidal composition containing oxime bacterium ester and Tebuconazole according to claim 1, is characterized in that: in composition, the ratio of weight and number of active component A and B is 30:1～1:30.
3. the bactericidal composition containing oxime bacterium ester and Tebuconazole according to claim 1, is characterized in that: in composition, the ratio of weight and number of active component A and B is 10:1～1:10.
4. the bactericidal composition containing oxime bacterium ester and Tebuconazole according to claim 1, is characterized in that: in composition, the weight percentage of active component is gross weight 1～90%, is preferably 10%～80%.
5. the bactericidal composition containing oxime bacterium ester and Tebuconazole according to claim 1, is characterized in that: in composition, contain a kind of active ingredient, wherein at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use; Surface-active contents is 5～30% of active ingredient gross weight.
6. the bactericidal composition containing oxime bacterium ester and Tebuconazole according to claim 5, is characterized in that: described surfactant is one or more that are selected from dispersant, wetting agent, emulsifier or defoamer.
7. the bactericidal composition containing oxime bacterium ester and Tebuconazole according to claim 1, it is characterized in that: composition can be processed into acceptable formulation on any agricultural chemicals on demand, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, aqueous emulsion, seed treatment.
8. the bactericidal composition containing oxime bacterium ester and Tebuconazole according to claim 1, for preventing and treating powdery mildew, rust, glume blight, net blotch, downy mildew, the rice blast application of crop.
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| CN103798247A (en) * | 2014-01-27 | 2014-05-21 | 山东潍坊润丰化工股份有限公司 | Fungicidal composition containing trifloxystrobin and tebuconazole and application of fungicidal composition |
| CN104488922A (en) * | 2015-01-09 | 2015-04-08 | 姚卫平 | Field barrel mixture pesticide synergist formula aiming at rice false smut, neck blast and other diseases at heading stage |
| CN104521969A (en) * | 2015-01-09 | 2015-04-22 | 姚卫平 | Field barrel-mixing pesticide synergism formula for ustilaginoidea virens and neck blast of rice and spraying method of formula |
| CN104542613A (en) * | 2014-12-31 | 2015-04-29 | 苏州佳辉化工有限公司 | Sterilization composition containing trifloxystrobin and tebuconazole and preparation method for sterilization composition |
| CN104756994A (en) * | 2015-02-15 | 2015-07-08 | 山东荣邦化工有限公司 | Trifloxystrobin and tebuconazole-containing fungicide and preparation technology thereof |
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| CN106259354A (en) * | 2016-08-12 | 2017-01-04 | 宁波市鄞州区农业技术服务站 | Take enemy's application surely in preventing and treating Bulbus Fritillariae Uninbracteatae soil-borne disease |
| CN106962357A (en) * | 2017-04-26 | 2017-07-21 | 广东华田金谷农业科技有限公司 | A kind of Rice Resistance disease pest seed soaking stoste |
| CN107549171A (en) * | 2017-09-11 | 2018-01-09 | 江苏禾业农化有限公司 | Tebuconazole and the water dispersible granules manufacture craft of trifloxystrobin 75% |
| CN109068641A (en) * | 2016-04-13 | 2018-12-21 | 拜耳作物科学(中国)有限公司 | A kind of antifungal combination |
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| CN103798247A (en) * | 2014-01-27 | 2014-05-21 | 山东潍坊润丰化工股份有限公司 | Fungicidal composition containing trifloxystrobin and tebuconazole and application of fungicidal composition |
| CN103798247B (en) * | 2014-01-27 | 2016-07-06 | 山东潍坊润丰化工股份有限公司 | The bactericidal composition of a kind of containing trifloxystrobin and Tebuconazole and application thereof |
| CN104542613A (en) * | 2014-12-31 | 2015-04-29 | 苏州佳辉化工有限公司 | Sterilization composition containing trifloxystrobin and tebuconazole and preparation method for sterilization composition |
| CN104521969A (en) * | 2015-01-09 | 2015-04-22 | 姚卫平 | Field barrel-mixing pesticide synergism formula for ustilaginoidea virens and neck blast of rice and spraying method of formula |
| CN104488922A (en) * | 2015-01-09 | 2015-04-08 | 姚卫平 | Field barrel mixture pesticide synergist formula aiming at rice false smut, neck blast and other diseases at heading stage |
| CN104756994A (en) * | 2015-02-15 | 2015-07-08 | 山东荣邦化工有限公司 | Trifloxystrobin and tebuconazole-containing fungicide and preparation technology thereof |
| CN105010355A (en) * | 2015-06-30 | 2015-11-04 | 郑州郑氏化工产品有限公司 | Antimicrobial insecticidal composition used for paddy rice field and preparation method of its water dispersible granules |
| CN109068641A (en) * | 2016-04-13 | 2018-12-21 | 拜耳作物科学(中国)有限公司 | A kind of antifungal combination |
| CN109068641B (en) * | 2016-04-13 | 2021-02-26 | 拜耳作物科学(中国)有限公司 | Fungicidal combination |
| CN106259354A (en) * | 2016-08-12 | 2017-01-04 | 宁波市鄞州区农业技术服务站 | Take enemy's application surely in preventing and treating Bulbus Fritillariae Uninbracteatae soil-borne disease |
| CN106962357A (en) * | 2017-04-26 | 2017-07-21 | 广东华田金谷农业科技有限公司 | A kind of Rice Resistance disease pest seed soaking stoste |
| CN107549171A (en) * | 2017-09-11 | 2018-01-09 | 江苏禾业农化有限公司 | Tebuconazole and the water dispersible granules manufacture craft of trifloxystrobin 75% |
| CN114342936A (en) * | 2022-02-21 | 2022-04-15 | 合肥高尔生命健康科学研究院有限公司 | Bactericide for preventing anthracnose of dendrobium nobile and application thereof |
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Application publication date: 20140507 |