CN104756993A - Bactericidal composition containing metconazole - Google Patents
Bactericidal composition containing metconazole Download PDFInfo
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- CN104756993A CN104756993A CN201510062251.7A CN201510062251A CN104756993A CN 104756993 A CN104756993 A CN 104756993A CN 201510062251 A CN201510062251 A CN 201510062251A CN 104756993 A CN104756993 A CN 104756993A
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Abstract
The invention provides a bactericidal composition containing metconazole, the bactericidal composition contains two effective components of A and B, the active component A is the metconazole, the active component B is one selected from methoxyl acrylate bactericide fluoxastrobin, picoxystrobin and metominostrobin, and the weight ratio of A to B is 1:30 to 30:1. The invention also provides a preparation method and application of the composition. The test results show that, the bactericidal composition has obvious synergistic effect, to be more important, the application amount is reduced, and the use cost is reduced. By compounding of bactericides of different mechanisms and modes of action, the application amount of each single bactericide is reduced, and the bactericidal composition has very good effect of expanding the bactericidal spectrum, delaying the fungal resistance, improving the control effect and other aspects.
Description
Technical field
The invention belongs to agriculture plant protection field, particularly relate to a kind of bactericidal composition with improvement performance, specifically relate to a kind of bactericidal composition comprising metconazole.
Background technology
Metconazole (metconazole) is a kind of bactericide action character: this medicine is a kind of novel, wide-spectrum bactericide, has preventive and therapeutic action to fungal disease.C-14 demethylation enzyme inhibitor in the mechanism of action and the biosynthesis of feature ergosterol.Although the mechanism of action is the same with other triazole bactericidal agents, activity profile then difference is larger.Two kinds of isomer have bactericidal activity, but Cis activity is higher than trans.The antifungal of metconazole is composed widely, and active splendid.Metconazole field is used and is planted disease to cereal septoria musiva, fusarium and handle rest fungus and have excellent effect.Metconazole is compared with traditional biocide agent, and dosage is extremely low and prevent and treat cereal to plant disease scope very wide.
Fluoxastrobin (Fluoxastrobin) is a kind of wide-spectrum bactericide, to the disease that various crop is caused by sac fungi and imperfect fungus, there is obvious preventive effect, the mechanism of action and feature with Fluoxastrobin and other methoxy acrylic bactericides the same, the mechanism of action of fluoxastrobin is also mitochondrial respiratory inhibitor, namely suppresses mitochondrial breathing by electro transfer between cytochrome b and C1.The bactericide acting on mitochondrial respiratory is more.Fluoxastrobin application optimum period, is wide, no matter early stage as spore germination, germ tube growth and intrusion leaf portion at fungal infection, or can provide extraordinary protection and therapeutic action at growth period of hypha; But infect the most effective to spore germination and initial stage.The systemic activity of the excellence that cause has, it can be rapidly absorbed, and can transmit to top equably in leaf portion, therefore have the good resistance of rainwater washing against ability of root.
ZEN 90160 (Picoxystrobin) is mainly used in the foliage disease of control wheat class as leaf blight, leaf rust, glume blight, brown spot, powdery mildew etc., compared with other methoxy acrylic bactericides existing, there is stronger result for the treatment of to wheat leaf blessing disease, net blotch and moire disease.Methoxy acrylic bactericide is a class low toxicity, efficient, wide spectrum, systemic fungicide, almost all there is good activity to all fungies (Oomycete, Phycomycetes, Ascomycetes and deuteromycetes) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc., and effectively can prevent and treat the pathogen series other bactericide being produced to resistance, bacterial strain 14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole being produced to resistance is effective.There is protection, treat, root out, osmosis, without features such as carcinogenic and mutagenesis, be the extremely potential pesticide species of the another class of world pesticide circle after triazole bactericidal agent.
SSF 126 (metominostrobin) mechanism of action mitochondrial respiratory inhibitor, namely suppresses mitochondrial breathing by electro transfer between thin race pigment b and C1.Prevent and treat the bacterial strain of 14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole generation resistance effective.There is protection, treat, root out, permeate, systemic activity.
Actual agricultural chemicals experience shows, repeat and single-mindedly use a kind of reactive compound and will cause the fast selective of fungal bacterial strain under many circumstances to prevent and treat harmful fungoid, optionally dangerous for reducing refractory fungal bacterial strain, usually use the mixture of different activities compound to prevent and treat harmful fungoid at present.By the reactive compound with the different mechanism of action is combined, delaying drug resistance can produce, reduce amount of application, reduce cost accounting.
Summary of the invention
The technical problem to be solved in the present invention is: for bactericide resistance and pedo relict problem in actual applications, the bactericide filtering out two kinds of different sterilizing mechanismses carries out composite, and to improve bactericidal agent for preventing and treating effect, delaying drug resistance produces, reduce amount of application, reduce cost accounting.
For solving the problems of the technologies described above, the invention provides a kind of bactericidal composition, said composition comprises two kinds of effective constituents A and B, active component A is metconazole, it is characterized in that described composition comprises A and B two kinds of active components, wherein active component A is metconazole, and active component B is selected from the one in methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126.
Inventor is found by test, and composition of the present invention is for preventing and treating controlling fungal diseases of crop and bacterial disease, and sterilization synergy is obvious, the more important thing is that amount of application reduces, and reduces use cost.Different from the compound structure type of B component containing component A, mechanism of action is different, and both are composite can expand fungicidal spectrum, and can delay the emergence and development speed of pathogen resistance to a certain extent, and without cross resistance between component A and B component.
Another object of the present invention is to provide the preparation method comprising two kinds of effective constituents A and B bactericidal composition and the application preventing and treating corps diseases at agriculture field.
In above-mentioned bactericidal composition, weight ratio between weight two component of component A and B component is 1:30 ~ 30:1, preferred 1:20 ~ 30:1 or 1:30 ~ 20:1, more preferably 1:20 ~ 20:1, for making the drug effect synergistic effect between two components more remarkable, the weight ratio between weight two component of component A and B component can be optimized to 1:10 ~ 10:1 further.
In a kind of technical scheme, bactericidal composition of the present invention is made up of the active component of 4 ~ 85% weight portions and the insecticides adjuvant of 96 ~ 15% weight portions.
The invention provides the purposes of bactericidal composition in controlling plant diseases (particularly corps diseases) comprising component A (metconazole) and B component (being selected from the one in methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126), particularly preventing and treating the disease in powdery mildew, rust etc., the aspects such as such as wheat powdery mildew, wheat rust poison, rice blast or rice sheath blight disease.
Composition of the present invention is aided with active component any one formulation that applicable agricultural use made by acceptable auxiliary material on agricultural chemicals.Said composition specifically can comprise carrier, auxiliary agent and/or surfactant.Conventional auxiliary agent can be mixed in the process used.Suitable auxiliary agent can be solid or liquid, the material that they are normally conventional in formulation process, such as mineral matter that is natural or regeneration, solvent, dispersant, wetting agent, adhesive, thickener, adhesive or fertilizer.
The application process of the present composition comprises acrial part composition of the present invention being used for plant growth, particularly leaf portion or blade face.Seed soaking can be selected or be applied in controlling object surface.The frequency used and amount of application depend on biology and the weather life condition of pathogene.Can by the growth place of plant, as rice field, soak with the liquid preparation of composition, or composition is applied in soil in solid form, as in granular form (soil application), composition can enter (systemic action) in plant corpus by soil through plant root.
These compositions can only comprise active component and use, and also can mix together with additive.
Composition of the present invention can be prepared into acceptable formulation on agricultural chemicals, such as wetting powder, suspending agent, water dispersible granules, aqueous emulsion or microemulsion.According to the character of these compositions and use the object and ambient conditions that composition will reach, can to select composition with spraying, atomizing, dust, broadcast sowing or sprinkle the method for to water etc. and so on and use.
Composition of the present invention can be prepared into various formulation by available known method, can by active ingredient and auxiliary agent, as solvent, carrier, can Homogeneous phase mixing, grinding together with surfactant when needing, and be prepared into required formulation.
Above-mentioned solvent can be selected from aromatic hydrocarbon, preferably containing 8-12 carbon atom, as the benzene of xylene mixture or replacement, and phthalate, as Dibutyl phthalate or phthalandione two sad, fat hydrocarbon, as thiacyclohexane or paraffin, alcohol and ethylene glycol and their ether and ester, as ethanol, ethylene glycol, ethylene glycol monomethyl; Ketone, as cyclohexanone, the solvent of strong polarity, as METHYLPYRROLIDONE, dimethyl sulfoxide (DMSO) or dimethyl formamide, and vegetable oil or vegetable oil, as soybean oil.
Above-mentioned carrier, as such as, for pulvis and the normally natural mineral fillers dispersibling agent, talcum, kaolin, montmorillonite or atlapulgite.In order to manage the physical property of composition, also can add polymolecularity silicic acid or polymolecularity adsorpting polymerization thing carrier, such as granulated adsorptive carriers or non-adsorbed carrier, suitable granulated adsorptive carriers is porous type, as float stone, bentonite or bentonite; Suitable non-adsorbed carrier is as calcite or sand.In addition, what can use a large amount of inorganic in nature or organic nature is prefabricated into granular material as carrier, particularly dolomite.
According to the chemical property of the active ingredient in composition of the present invention, suitable surfactant is lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, alkali salt or amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, aliphatic alcohol sulfate, fatty acid and sulphated fatty alcohol glycol ether, also has the condensation product of sulfonated naphthalene and naphthalene derivatives and formaldehyde, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, ethoxylated isooctyl-phenol, octyl phenol, nonyl phenol, alkylaryl polyglycol ether, tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol, ethoxylated castor oil, polyoxyethylene alkyl ether, ethylene oxide condensation product, ethoxylation polyoxypropylene, lauric acid polyglycol ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
In composition of the present invention, two kinds of active ingredients show as synergistic effect, and the specific activity of said composition uses the activity expection summation of individualized compound, and the independent activity of individualized compound is more remarkable.Synergistic effect show as allow amount of application to reduce, wider antifungal controls spectrum, instant effect, more lasting control efficiency, by only once or minority use better control plant pest fungi and broaden the possible administration interval time several times.These characteristics are that plant epiphyte controls special needs in practice process.
Other feature main manifestations shown of bactericidal composition of the present invention is: 1, composition mixture of the present invention has obvious synergistic effect; 2, two single dose chemical constitutions due to this composition are widely different, and the mechanism of action is completely different, there is not cross resistance, can delay two single doses and be used alone produced resistance problem; 3, composition of the present invention is good to crop safety, preventive effect.Prove through test, microbicide compositions stable chemical nature of the present invention, synergy is remarkable, shows obvious synergy and complementation to controlling object.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
In all formulas of following examples, percentage is all weight percentage.The processing technology of the various preparation of the present composition is prior art, can change to some extent according to different situations.
One, formulation prepares embodiment
(1) processing of water dispersible granules and embodiment
By the one in active component metconazole and methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126, mix in the ratio of filling a prescription with auxiliary agent and filler, wetting powder is become through air-flow crushing, add a certain amount of water mixing extruder grain again, obtained water dispersible granules product after drying screening.
Embodiment 1:62% metconazole fluoxastrobin water dispersible granules
Metconazole 60%, fluoxastrobin 2%, ammonium sulfate 4%, dodecyl sodium sulfate 5%, Negel 2%, precipitated calcium carbonate complements to 100%.
Embodiment 2:62% metconazole fluoxastrobin water dispersible granules
Metconazole 2%, fluoxastrobin salt 60%, dodecyl sodium sulfate 2%, xanthans 2%, sodium carboxymethyl starch 1%, sodium lignin sulfonate 6%, attapulgite complements to 100%.
Embodiment 3:62% metconazole ZEN 90160 water dispersible granules
Metconazole 60%, ZEN 90160 2%, sodium alginate 4%, organic silicone 2%, methyl naphthalene sulfonate formaldehyde condensate 1%, ammonium sulfate 2%, bentonite complements to 100%.
Embodiment 4:62% metconazole ZEN 90160 water dispersible granules
Metconazole 2%, ZEN 90160 60%, methyl naphthalene sulfonate formaldehyde condensate 3%, sodium lignin sulfonate 5%, lauryl sodium sulfate 2%, diatomite complements to 100%.
Embodiment 5:62% metconazole SSF 126 water dispersible granules
Metconazole 60%, SSF 126 2%, sodium lignin sulfonate 5%, lauryl sodium sulfate 2%, methyl naphthalene sulfonate formaldehyde condensate 6%, diatomite complements to 100%.
Embodiment 6:62% metconazole SSF 126 water dispersible granules
Metconazole 2%, SSF 126 60%, Negel 2%, ammonium sulfate 3%, dodecyl sodium sulfate 3%, precipitated calcium carbonate complements to 100%.
(2) processing of suspending agent and embodiment
By the one in active component metconazole and methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126, mix in the ratio of filling a prescription with each components such as dispersant, wetting agent, thickener and water, after sand milling and/or high speed shear, obtain semi-finished product, add water after analysis and mix filtration and get product.
The agent of embodiment 7:22% metconazole fluoxastrobin salt suspension
Metconazole 20%, fluoxastrobin 2%, xanthans 1%, bentonite 5%, Magnesiumaluminumsilicate 2%, ethylene glycol 2%, sodium lignin sulfonate 7%, water complements to 100%.
Embodiment 8:33% metconazole fluoxastrobin suspending agent
Metconazole 3%, fluoxastrobin 30%, bentonite 4%, glycerine 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, water complements to 100%.
Embodiment 9:22% metconazole ZEN 90160 suspending agent
Metconazole 20%, ZEN 90160 2%, white carbon 3%, glycerine 6%, Sodium Benzoate 2%, aliphatic alcohol polyoxyvinethene phosphate 7%, water complements to 100%.
Embodiment 10:22% metconazole ZEN 90160 suspending agent
Metconazole 2%, ZEN 90160 20%, white carbon 4%, ethylene glycol 5%, sodium lignin sulfonate 7%, xanthans 2%, water complements to 100%.
Embodiment 11:33% metconazole SSF 126 suspending agent
Metconazole 30%, SSF 126 3%, bentonite 3%, ethylene glycol 4%, methyl naphthalene sulfonate formaldehyde condensate 5%, water complements to 100%.
Embodiment 12:22% metconazole SSF 126 suspending agent
Metconazole 2%, SSF 126 20%, Sodium Benzoate 3%, glycerine 5%, white carbon 5%, aliphatic alcohol polyoxyvinethene phosphate 5%, water complements to 100%.
(5) processing of aqueous emulsion and embodiment
In emulsifying kettle, active component metconazole A is mixed with solvent, auxiliary agent under mechanical stirring with the one in methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126, then input emulsifier and stabilizing agent stir, finally add water, under the rotating speed of 100-12000 rev/min, stir 10-30 minute, make it the product becoming even emulsus.
Embodiment 13:40% metconazole fluoxastrobin aqueous emulsion
Metconazole 30%, fluoxastrobin 10%, nonyl phenol benzene oxygen vinethene 4%, 2,6-di-tert-butyl-4-methy phenol 1%, N-repefral 3%, ethylene glycol 3%, polyvinyl alcohol 2%, Sodium Benzoate 2%, silicone defoaming agent 0.5%, water complements to 100%.
Embodiment 14:20% metconazole fluoxastrobin aqueous emulsion
Metconazole 5%, fluoxastrobin 15%, butylated hydroxy anisole 4%, poly-isosuccinic acid acid anhydride-ethylene glycol copolymer 3%, propane diols 2%, xanthans 3%, polyvinyl alcohol 1%, silicone defoaming agent 1.2%, water complements to 100%.
Embodiment 15:40% metconazole ZEN 90160 aqueous emulsion
Metconazole 30%, ZEN 90160 10%, polyoxyethylene block copolymer 3%, propane diols 1%, xanthans 2%, poly-isosuccinic acid acid anhydride-ethylene glycol copolymer 3%, silicone defoaming agent 1.2%, water complements to 100%.
Embodiment 16:20% metconazole ZEN 90160 aqueous emulsion
Metconazole 5%, ZEN 90160 15%, N-dodecylpyrrolidone 2%, castor oil polyoxyethylene ether 1%, glycerine 3%, polyvinyl alcohol 1.2%, Sodium Benzoate 1%, isooctanol 2%, water complements to 100%.
Embodiment 17:24% metconazole SSF 126 aqueous emulsion
Metconazole 18%, SSF 126 6%, silicone defoaming agent 1.5%, poly-isosuccinic acid acid anhydride-ethylene glycol copolymer 2%, propane diols 1%, xanthans 4%, polyvinyl alcohol 2%, water complements to 100%.
Embodiment 18:20% metconazole SSF 126 aqueous emulsion
Metconazole 5%, SSF 126 15%, xanthans 1%, polyoxyethylene block copolymer 4%, poly-isosuccinic acid acid anhydride-ethylene glycol copolymer 3%, propane diols 2%, silicone defoaming agent 1.8%, water complements to 100%.
Two, drug effect demonstration test
(1) Assays Example
Investigate the incidence of whole strain blade according to test grade scale, calculate disease index and control efficiency.
Control efficiency is converted into probability value (y), liquid is done height (μ g/ml) and is converted logarithm value (x) to, calculate virulence equation and concentration EC50 in suppressing with method of least squares, calculate the toxicity index level co-toxicity coefficient (CTC) of medicament according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) * 100
In theoretical toxicity index (TTI)=A medicament toxicity index * mixture A percentage composition+B medicament toxicity index * mixture in the percentage composition of B
Co-toxicity coefficient (CTC)=[theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] * 100
CTC≤80, composition shows as antagonism, and 80 < CTC < 120, composition shows as summation action, CTC >=120, and composition shows as synergistic effect.
1, metconazole and fluoxastrobin is composite tests wheat powdery mildew toxicity test
Table 1 metconazole and fluoxastrobin composite to the interpretation of result of wheat powdery mildew toxicity test
| Medicament title | EC 50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Metconazole | 11.820 | 100.000 | / | / |
| Fluoxastrobin | 10.210 | 115.770 | / | / |
| Proportioning metconazole: fluoxastrobin=30:1 | 10.140 | 116.572 | 100.509 | 115.982 |
| Proportioning metconazole: fluoxastrobin=20:1 | 9.188 | 128.649 | 100.751 | 127.690 |
| Proportioning metconazole: fluoxastrobin=10:1 | 8.230 | 143.620 | 101.434 | 141.590 |
| Proportioning metconazole: fluoxastrobin=1:1 | 7.250 | 163.030 | 107.884 | 151.116 |
| Proportioning metconazole: fluoxastrobin=1:10 | 7.190 | 164.392 | 114.336 | 143.779 |
| Proportioning metconazole: fluoxastrobin=1:20 | 8.127 | 145.445 | 115.019 | 126.453 |
| Proportioning metconazole: fluoxastrobin=1:30 | 9.065 | 130.385 | 115.261 | 113.121 |
Result (table 1) shows, metconazole and the composite control efficiency to wheat powdery mildew of fluoxastrobin significantly improve, and both explanations are composite has significant synergistic effect to wheat powdery mildew germ.Especially metconazole and wheat powdery mildew are than between 1:20 ~ 20:1, and the co-toxicity coefficient of metconazole and Prochloraz is all more than 125, and synergistic effect is obvious.
2, metconazole and ZEN 90160 is composite tests wheat rust toxicity test
Table 2 metconazole and ZEN 90160 composite to the interpretation of result of wheat rust toxicity test
| Medicament title | EC 50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Metconazole | 11.590 | 100.000 | / | / |
| ZEN 90160 | 15.720 | 73.730 | / | / |
| Proportioning metconazole: ZEN 90160=30:1 | 10.148 | 114.206 | 99.153 | 115.182 |
| Proportioning metconazole: ZEN 90160=20:1 | 9.097 | 127.399 | 98.749 | 129.013 |
| Proportioning metconazole: ZEN 90160=10:1 | 8.410 | 137.809 | 97.612 | 141.181 |
| Proportioning metconazole: ZEN 90160=1:1 | 8.150 | 142.212 | 86.865 | 163.716 |
| Proportioning metconazole: ZEN 90160=1:10 | 8.720 | 132.914 | 76.118 | 174.615 |
[0084]
| Proportioning metconazole: ZEN 90160=1:20 | 12.301 | 94.219 | 74.981 | 125.657 |
| Proportioning metconazole: ZEN 90160=1:30 | 13.261 | 87.402 | 74.577 | 117.196 |
Result (table 2) shows, metconazole and the composite control efficiency to wheat rust of ZEN 90160 significantly improve, both explanations are composite to have significant synergies to wheat rust, especially metconazole and wheat rust are than between 1:20 ~ 20:1, the co-toxicity coefficient of metconazole and ZEN 90160 is all more than 120, and synergistic effect is obvious.
3, metconazole and SSF 126 is composite tests rice blast toxicity test
Table 3 metconazole and SSF 126 composite to the interpretation of result of rice blast toxicity test
| Medicament title | EC 50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Metconazole | 8.32 | 100 | / | / |
| SSF 126 | 10.12 | 89.21 | / | / |
| Proportioning metconazole: SSF 126=30:1 | 6.862 | 121.248 | 99.652 | 121.671 |
| Proportioning metconazole: SSF 126=20:1 | 6.288 | 132.312 | 99.486 | 132.995 |
| Proportioning metconazole: SSF 126=10:1 | 5.824 | 142.849 | 99.019 | 144.264 |
| Proportioning metconazole: SSF 126=1:1 | 5.556 | 149.739 | 94.605 | 158.278 |
| Proportioning metconazole: SSF 126=1:10 | 5.960 | 139.597 | 90.191 | 154.779 |
| Proportioning metconazole: SSF 126=1:20 | 7.089 | 117.363 | 89.724 | 130.805 |
| Proportioning metconazole: SSF 126=1:30 | 7.821 | 106.376 | 89.558 | 118.779 |
Result (table 3) shows, metconazole and the composite control efficiency to rice blast of SSF 126 significantly improve, both explanations are composite to have significant synergies to rice blast, especially metconazole and SSF 126 proportioning are between 1:20 ~ 20:1, the co-toxicity coefficient of metconazole and SSF 126 is all more than 130, and synergistic effect is obvious.
(2) field efficacy demonstration test
Test method: at the initial stage of a disease, carries out first time spraying immediately, carries out second time dispenser, each process 4 communities, each community 20 square meter after 7 days.10 days investigation statistics incidences before medicine and after second time medicine, the random sampling of 5, each community, often some investigation 5 strain crops, the lesion area investigating every blade in whole strain accounts for the percentage of blade area and classification, calculating disease index and control efficiency.
Expection preventive effect (%)=X+Y-XY/100 (wherein, X, Y are single dose preventive effect)
Grade scale:
0 grade: without scab;
1 grade: leaf spot lesion is less than 5, and length is less than 1cm;
3 grades: leaf spot lesion 6-10, part scab length is greater than 1cm;
5 grades: leaf spot lesion 11-25, part scab is linked to be sheet, and lesion area accounts for the 10-25% of leaf area;
7 grades: leaf spot lesion more than 26, scab is linked to be sheet, and lesion area accounts for the 26-50% of leaf area;
9 grades: scab is linked to be sheet, more than 50% or full leaf that lesion area accounts for leaf area are withered.
(1) metconazole and the composite field control effectiveness test to wheat rust of fluoxastrobin
Table 4 metconazole and the composite control efficiency to wheat rust of fluoxastrobin
Measurement result (table 4) shows, metconazole and the composite preventive effect to preventing and treating wheat rust of fluoxastrobin significantly improve, and both explanations are composite has significant synergistic effect to wheat rust.
(2) metconazole and ZEN 90160 mixture are to the field control effectiveness test of wheat rust
Table 6 metconazole and ZEN 90160 mixture are to the control efficiency of wheat rust
Measurement result (table 6) shows, metconazole and the preventive effect of ZEN 90160 mixture to wheat rust significantly improve, and both explanations are composite has significant synergistic effect to wheat rust.
(2) metconazole and SSF 126 mixture are to the field control effectiveness test of rice sheath blight disease
Table 7 metconazole and SSF 126 mixture are to the control efficiency of rice sheath blight disease
Measurement result (table 7) shows, metconazole and the preventive effect of SSF 126 mixture to rice sheath blight disease significantly improve, and both explanations are composite has significant synergistic effect to rice sheath blight disease.
Claims (10)
1. the bactericidal composition containing metconazole, it is characterized in that described composition comprises A and B two kinds of active components, wherein active component A is metconazole, active component B is selected from the one in methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126, and the weight ratio between two components is 1:30 ~ 30:1.
2. microbicide compositions according to claim 1, is characterized in that the weight ratio of active component A and active component B is 1:20 ~ 20:1.
3. microbicide compositions according to claim 1, is characterized in that the weight ratio of active component A and active component B is 1:10 ~ 10:1.
4. the microbicide compositions according to claim 1,2 or 3, is characterized in that described composition is made up of the active component of 4 ~ 85% weight portions and the insecticides adjuvant of 96 ~ 15% weight portions.
5. microbicide compositions according to claim 1, is characterized in that said composition is aided with active component any one formulation that applicable agricultural use made by acceptable auxiliary material on agricultural chemicals.
6. microbicide compositions according to claim 5, is characterized in that on described agricultural chemicals, acceptable auxiliary material comprises auxiliary agent, solvent or carrier auxiliary element; Wherein said auxiliary agent is selected from one or more in mineral matter, solvent, dispersant, wetting agent, adhesive, thickener, adhesive, surfactant or fertilizer.
7. microbicide compositions according to claim 6, it is characterized in that described solvent is selected from that dimethylbenzene, Dibutyl phthalate, phthalandione two are sad, thiacyclohexane, paraffin, ethanol, ethylene glycol, ethylene glycol monomethyl, cyclohexanone, METHYLPYRROLIDONE, dimethyl sulfoxide (DMSO), dimethyl formamide or soybean oil, described carrier is selected from talcum, kaolin, montmorillonite, atlapulgite, float stone, bentonite, bentonite, calcite, sand or dolomite, described surfactant is lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, alkali salt, amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, aliphatic alcohol sulfate, fatty acid and sulphated fatty alcohol glycol ether, the condensation product of sulfonated naphthalene and naphthalene derivatives and formaldehyde, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, ethoxylated isooctyl-phenol, octyl phenol, nonyl phenol, alkylaryl polyglycol ether, tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol, ethoxylated castor oil, polyoxyethylene alkyl ether, ethylene oxide condensation product, ethoxylation polyoxypropylene, lauric acid polyglycol ether acetal, sorbitol ester, lignin sulfite waste liquor or methylcellulose.
8. microbicide compositions according to claim 5, is characterized in that described formulation is selected from wetting powder, suspending agent, water dispersible granules, aqueous emulsion or microemulsion.
9. the purposes of the microbicide compositions according to any one of claim 1-4 in agriculture field control corps diseases.
10. purposes according to claim 9, wherein said corps diseases is wheat powdery mildew, wheat rust poison, rice blast or rice sheath blight disease.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107318853A (en) * | 2017-06-30 | 2017-11-07 | 陕西标正作物科学有限公司 | Fertilizer granules and application containing metconazole |
| CN110505806A (en) * | 2017-05-04 | 2019-11-26 | 江苏龙灯化学有限公司 | Fungicidal composition and application thereof |
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| CN104285964A (en) * | 2014-09-22 | 2015-01-21 | 江苏省绿盾植保农药实验有限公司 | Bactericide composition for preventing and treating watermelon fusarium wilt and application of bactericide composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110505806A (en) * | 2017-05-04 | 2019-11-26 | 江苏龙灯化学有限公司 | Fungicidal composition and application thereof |
| CN110505806B (en) * | 2017-05-04 | 2022-08-02 | 江苏龙灯化学有限公司 | Fungicidal compositions and their use |
| CN107318853A (en) * | 2017-06-30 | 2017-11-07 | 陕西标正作物科学有限公司 | Fertilizer granules and application containing metconazole |
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| Publication number | Publication date |
|---|---|
| CN104756993B (en) | 2017-10-03 |
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