CN104756993B - Bactericidal composition containing metconazole - Google Patents
Bactericidal composition containing metconazole Download PDFInfo
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- CN104756993B CN104756993B CN201510062251.7A CN201510062251A CN104756993B CN 104756993 B CN104756993 B CN 104756993B CN 201510062251 A CN201510062251 A CN 201510062251A CN 104756993 B CN104756993 B CN 104756993B
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Abstract
The invention provides a kind of bactericidal composition containing metconazole, said composition includes two kinds of effective constituents As and B, active component A is metconazole, active component B is that the weight ratio between one kind in methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126, two components is 1:30~30:1.Present invention also offers the Preparation method and use of said composition.Result of the test shows that the above-mentioned bactericidal composition synergy that the present invention is provided is obvious, it is often more important that amount of application is reduced, use cost reduction.By the way that the bactericide of different mechanism of action and the mode of action is compounded, the amount of application of each single dose is effectively reduced, there is effect well in terms of fungus resistant and raising prevention effect for expanding fungicidal spectrum and delaying.
Description
Technical field
It is more particularly to a kind of that there is the bactericidal composition for improving performance, tool the invention belongs to agriculture plant protection field
Say it is to be related to a kind of bactericidal composition for including metconazole body.
Background technology
Metconazole (metconazole) is a kind of bactericide action character：The medicine is a kind of new, wide-spectrum bactericide, right
Fungal disease has preventive and therapeutic action.The mechanism of action presses down with C-14 demethylations enzyme in feature ergosterol biosynthesis
Preparation.Although the mechanism of action is as other triazole bactericidal agents, then difference is larger for activity profile.Two kinds of isomers have sterilization
Activity, but Cis activity is higher than trans.The antifungal spectrum of metconazole widely, and activity it is splendid.The administration pair of metconazole field
Cereal crops septoria musiva, fusarium and handle rest fungus, which plant disease, excellent effect.Metconazole compared with traditional biocide agent, dosage it is extremely low and
Prevent and treat the sick scope of cereal plant but very wide.
Fluoxastrobin (Fluoxastrobin) is a kind of wide-spectrum bactericide, and various crop is drawn by sac fungus and Fungi Imperfecti
The disease risen has obvious preventive effect, and the mechanism of action is with feature with Fluoxastrobin and other methoxy acrylic bactericides one
Sample, the mechanism of action of fluoxastrobin is also mitochondrial respiratory inhibitor, i.e., by between cytochrome b and C1 electro transfer suppress
Mitochondrial breathing.The bactericide for acting on mitochondrial respiratory is more.Fluoxastrobin application optimum period, is wide, no matter early in fungal infection
Phase such as spore germination, germ tube growth and intrusion leaf portion, or can provide extraordinary protection and treatment in growth period of hypha
Effect；But spore germination and initial stage are infected most effective.Because of the excellent systemic activity having, it can be rapidly absorbed, and energy
Equably transmitted in leaf portion to top, therefore with the good resistance of rainwater washing against ability of root.
Foliage disease such as leaf blight, leaf rust, the grain husk that ZEN 90160 (Picoxystrobin) is mainly used in preventing and treating wheat class are withered
Disease, brown spot, powdery mildew etc., compared with other existing methoxy acrylic bactericides, to wheat leaf blessing disease, net blotch and
Moire disease has stronger therapeutic effect.Methoxy acrylic bactericide is a class low toxicity, efficient, wide spectrum, absorbability sterilization
Agent, almost to all fungies (Oomycete, Phycomycetes, Ascomycetes and deuteromycetes) disease for example powdery mildew, rust, glume blight,
Net blotch, downy mildew, rice blast etc. have good activity, and can effectively prevent and treat the disease that other bactericide are produced with resistance
Opportunistic pathogen series, the bacterium of resistance is produced to 14- demethylations enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole
Strain is effectively.With protecting, treat, root out, osmosis, be world pesticide circle after triazole type the features such as without carcinogenic and mutagenesis
The extremely potential pesticide species of another class after bactericide.
SSF 126 (metominostrobin) mechanism of action mitochondrial respiratory inhibitor, i.e., by carefully run pigment b and
Electro transfer suppresses mitochondrial breathing between C1.Preventing and treating is to 14- demethylations enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine
The bacterial strain for producing resistance with benzimidazole is effective.With protecting, treat, root out, permeating, systemic activity.
Actual agricultural chemicals experience have shown that, repeat and single-minded apply a kind of reactive compound to prevent and treat harmful fungoid very
It will cause the fast selective of fungal bacterial strain in the case of many, it is current usual for the danger of reduction refractory fungal bacterial strain selectivity
Harmful fungoid is prevented and treated using the mixture of different activities compound.By the way that the reactive compound with the different mechanisms of action is entered
Row combination, can delaying drug resistance generation, reduction amount of application, reduction cost accounting.
The content 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 for filtering out two kinds of different sterilizing mechanismses is compounded, to improve bactericidal agent for preventing and treating effect, and delaying drug resistance is produced, reduction
Amount of application, reduces cost accounting.
In order to solve the above technical problems, the invention provides a kind of bactericidal composition, said composition comprising two kinds effectively into
Divide A and B, active component A is metconazole, it is characterised in that described composition includes two kinds of active components of A and B, wherein activity
Component A is metconazole, and active component B is selected from methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126
In one kind.
Inventor is found by experiment that composition of the invention is to be used to prevent and treat controlling fungal diseases of crop and phytosis
Evil, sterilization synergy is obvious, it is often more important that amount of application is reduced, and reduces use cost.Compound knot containing component A Yu component B
Structure type is different, and mechanism of action is different, and both can expand fungicidal spectrum at compounding, and can delay pathogen to a certain extent
No interactions resistance between the generation of resistance and development speed, and component A and component B.
It is a further object to provide the preparation method comprising two kinds of effective constituents As and B bactericidal compositions and
Agriculture field prevents and treats the application of corps diseases.
In above-mentioned bactericidal composition, the weight ratio between component A and component the B component of weight two is 1:30~30:1, it is excellent
Select 1:20~30:1 or 1:30~20:1, more preferably 1:20~20:1, to make the drug effect synergistic effect between two components more notable,
Weight ratio between component A and component the B component of weight two can further be optimized to 1:10~10:1.
In a kind of technical scheme, bactericidal composition of the invention be by the active component of 4~85% parts by weight with 96~
The insecticides adjuvant composition of 15% parts by weight.
The invention provides (be selected from the phonetic bacterium of methoxy acrylic bactericide fluorine comprising component A (metconazole) and component B
One kind in ester, ZEN 90160, SSF 126) bactericidal composition in controlling plant diseases (particularly corps diseases)
Purposes, the particularly disease in terms of powdery mildew, rust is prevented and treated, such as wheat powdery mildew, wheat rust poison, rice blast
Or in terms of rice sheath blight disease.
The composition of the present invention is aided with acceptable auxiliary material on agricultural chemicals with active component and any of suitable agricultural use is made
A kind of formulation.Said composition can specifically include carrier, auxiliary agent and/or surfactant.It can be mixed during administration often
Auxiliary agent.Suitable auxiliary agent can be solid or liquid, and they are typically the material commonly used during formulation, such as day
Right or regeneration mineral matter, solvent, dispersant, wetting agent, adhesive, thickener, adhesive or fertilizer.
The application process of the present composition includes being used for the composition of the present invention into the aerial part of plant growth, especially
It is leaf portion or blade face.It can select to soak seed or be applied to controlling object surface.The frequency and amount of application of administration depend on pathogen
Biology and weather life condition.The growth place of plant, such as rice field can be soaked with the liquid preparation of composition, or
Composition is applied in soil by person in solid form, such as in granular form (soil application), and composition can be by soil through planting
Thing root enters in plant (systemic action).
These compositions only can be administered comprising active component, can also be mixed together with additive.
The composition of the present invention can be prepared into acceptable formulation on agricultural chemicals, such as wettable powder, suspending agent, moisture
Shot agent, aqueous emulsion or microemulsion.The purpose and environment to be reached according to the property of these compositions and using composition
Situation, can select composition to spray, atomizing, dust, broadcast sowing or sprinkle the method poured or the like and apply.
The composition of the present invention can be prepared into various formulations with known method, can be by active ingredient with helping
Agent, such as solvent, carrier, it is necessary to when can uniformly mix, grind together with surfactant, be prepared into required formulation.
Above-mentioned solvent may be selected from aromatic hydrocarbon, preferably containing 8-12 carbon atom, such as xylene mixture or substituted benzene, phthalein
The octanoic acid of esters of gallic acid, such as Dibutyl phthalate or phthalandione two, such as fat hydrocarbon, thiacyclohexane or paraffin, alcohol and ethylene glycol and their ether
And ester, such as ethanol, ethylene glycol, ethylene glycol monomethyl；Ketone, such as cyclohexanone, such as highly polar solvent, N- methyl -2- pyrrolidines
Ketone, dimethyl sulfoxide (DMSO) or dimethylformamide, and vegetable oil or vegetable oil, such as soybean oil.
Above-mentioned carrier, such as pulvis and dispersible dose of typically natural mineral fillers, such as talcum, kaolin,
Montmorillonite or atlapulgite.In order to manage the physical property of composition, polymolecularity silicic acid can also be added or polymolecularity is inhaled
Attached polymer support, such as granulated adsorptive carriers or non-adsorbed carrier, suitable granulated adsorptive carriers are porous types, such as floating
Stone, bentonite or bentonite；Suitable non-adsorbed carrier such as calcite or sand.Further, it is possible to use substantial amounts of inorganic in nature or having
The prefabricated material granulated of machine property is used as carrier, particularly dolomite.
The chemical property of active ingredient in the composition of the present invention, suitable surfactant is sulfomethylated lignin
Acid, naphthalene sulfonic acids, phenolsulfonic acid, alkali salt or amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, fat
The condensation product of alcohol sulfate, aliphatic acid and sulphated fatty alcohol glycol ether, also sulfonated naphthalene and naphthalene derivatives and formaldehyde, naphthalene or
Naphthalene sulfonic acids and phenol and the condensation product of 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, bay acid polyethylene glycol
Ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
Two kinds of active ingredients show as synergistic effect in the composition of the present invention, and the activity of said composition is than using individualized
The expected summation of activity of compound, and the independent activity of single compound are more notable.Synergistic effect shows as allowing amount of application
Reduce, broader antifungal control spectrum, instant effect, more longlasting prevention effect, by only once or a small number of several times using more
Good control plant pest fungi and broaden the possible administration interval time.These characteristics are plant epiphyte control practices
During especially need.
The other features shown of the bactericidal composition of the present invention are mainly shown as：1st, composition mixture of the invention tool
There is obvious synergistic effect；2nd, because two single dose chemical constitutions of this composition are widely different, the mechanism of action is entirely different, no
There is cross resistance, can delay two single doses that produced resistance problem is used alone；3rd, composition of the invention to crop safety,
Preventive effect is good.Tests prove that, microbicide compositions chemical property of the present invention is stable, and synergy significantly, is shown bright to controlling object
Aobvious synergy and complementation.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention, any modifications, equivalent replacements and improvementsmade within the spirit and principles of the invention, should be included in
Within protection scope of the present invention.
Percentage is weight percentage in all formulas of following examples.The processing work of the various preparations of the present composition
Skill is prior art, can be varied from according to different situations.
First, formulation prepares embodiment
(1) processing of water dispersible granules and embodiment
By in active component metconazole and methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126
One kind, be well mixed, through air-flow crushing into wettable powder, added a certain amount of in the ratio of formula with auxiliary agent and filler
Water mixing extruder grain, is made 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%, gently
Matter 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 water dispersible granule
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 water dispersible granule
Metconazole 2%, ZEN 90160 60%, methyl naphthalene sulfonate formaldehyde condensate 3%, sodium lignin sulfonate 5%, 12
Sodium alkyl 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 sulfonic acid sodium
Formaldehyde condensation products 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%, gently
Matter calcium carbonate complements to 100%.
(2) processing of suspending agent and embodiment
By in active component metconazole and methoxy acrylic bactericide fluoxastrobin, ZEN 90160, SSF 126
One kind, be well mixed with each component such as dispersant, wetting agent, thickener and water in the ratio of formula, through being sanded and/or high speed
After shearing, semi-finished product are obtained, the filtering that is mixed with water is mended after analysis and is got product.
Embodiment 7：22% metconazole fluoxastrobin salt suspension agent
Metconazole 20%, fluoxastrobin 2%, xanthans 1%, bentonite 5%, Magnesiumaluminumsilicate 2%, ethylene glycol 2% is wooden
Plain sodium 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 chlorfenapyr suspending agent
Metconazole 20%, ZEN 90160 2%, white carbon 3%, glycerine 6%, sodium benzoate 2%, aliphatic alcohol polyethenoxy
Ether phosphate 7%, water complements to 100%.
Embodiment 10：22% metconazole chlorfenapyr 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 polyethenoxy
Ether phosphate 5%, water complements to 100%.
(5) processing of aqueous emulsion and embodiment
In emulsifying kettle, by active component metconazole A and methoxy acrylic bactericide fluoxastrobin, pyridine oxygen bacterium
One kind in ester, SSF 126 is well mixed under mechanical stirring with solvent, auxiliary agent, then puts into emulsifying agent and stabilizer stirring
Uniformly, water is eventually adding, is stirred 10-30 minutes under 100-12000 revs/min of rotating speed, makes the production of uniform emulsus
Product.
Embodiment 13：40% metconazole fluoxastrobin aqueous emulsion
Metconazole 30%, fluoxastrobin 10%, nonyl phenol benzene oxygen vinethene 4%, 2,6- di-tert-butyl-4-methy phenols
1%, N- repefral 3%, ethylene glycol 3%, polyvinyl alcohol 2%, sodium benzoate 2%, organic silicon defoamer
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%, organic silicon defoamer 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% gathers
Isosuccinic acid acid anhydride-ethylene glycol copolymer 3%, organic silicon defoamer 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%, the third three
Alcohol 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%, organic silicon defoamer 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%, organic silicon defoamer 1.8%, water complements to 100%.
2nd, drug effect checking test
(1) Assays Example
The incidence of whole strain blade is investigated according to experiment grade scale, disease index and prevention effect is calculated.
Prevention effect is converted into niqueMin (y), decoction does height (μ g/ml) and is converted into logarithm value (x), with least square
Concentration EC50 during method calculates virulence equation and suppressed, the toxicity index level co-toxicity coefficient (CTC) of medicament is calculated according to the abundant methods of Sun Yun.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) * 100
A percentage composition+B medicament toxicity index * mixtures in theoretical toxicity index (TTI)=A medicament toxicity index * mixtures
Middle B percentage composition
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] * 100
CTC≤80, composition shows as antagonism, 80 ＜ CTC ＜ 120, and composition shows as summation action, and CTC >=
120, composition shows as synergistic effect.
1st, metconazole and fluoxastrobin compounding are tested wheat powdery mildew toxicity test
The metconazole of table 1 is compounded to wheat powdery mildew toxicity test interpretation of result with fluoxastrobin
| Medicament title | EC50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Metconazole | 11.820 | 100.000 | / | / |
| Fluoxastrobin | 10.210 | 115.770 | / | / |
| Match metconazole：Fluoxastrobin=30:1 | 10.140 | 116.572 | 100.509 | 115.982 |
| Match metconazole：Fluoxastrobin=20:1 | 9.188 | 128.649 | 100.751 | 127.690 |
| Match metconazole：Fluoxastrobin=10:1 | 8.230 | 143.620 | 101.434 | 141.590 |
| Match metconazole：Fluoxastrobin=1:1 | 7.250 | 163.030 | 107.884 | 151.116 |
| Match metconazole：Fluoxastrobin=1:10 | 7.190 | 164.392 | 114.336 | 143.779 |
| Match metconazole：Fluoxastrobin=1:20 | 8.127 | 145.445 | 115.019 | 126.453 |
| Match metconazole：Fluoxastrobin=1:30 | 9.065 | 130.385 | 115.261 | 113.121 |
As a result (table 1) shows, metconazole compounds with fluoxastrobin and the prevention effect of wheat powdery mildew is significantly improved, explanation
The two compounding has significant synergistic effect to wheat powdery mildew germ.Especially metconazole and wheat powdery mildew ratio is 1:20~
20:Between 1, the co-toxicity coefficient of metconazole and Prochloraz is more than 125, and synergistic effect is obvious.
2nd, metconazole and ZEN 90160 compounding are tested wheat rust toxicity test
The metconazole of table 2 is compounded to wheat rust toxicity test interpretation of result with ZEN 90160
| Medicament title | EC50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Metconazole | 11.590 | 100.000 | / | / |
| ZEN 90160 | 15.720 | 73.730 | / | / |
| Match metconazole：ZEN 90160=30:1 | 10.148 | 114.206 | 99.153 | 115.182 |
| Match metconazole：ZEN 90160=20:1 | 9.097 | 127.399 | 98.749 | 129.013 |
| Match metconazole：ZEN 90160=10:1 | 8.410 | 137.809 | 97.612 | 141.181 |
| Match metconazole：ZEN 90160=1:1 | 8.150 | 142.212 | 86.865 | 163.716 |
| Match metconazole：ZEN 90160=1:10 | 8.720 | 132.914 | 76.118 | 174.615 |
| Match metconazole：ZEN 90160=1:20 | 12.301 | 94.219 | 74.981 | 125.657 |
| Match metconazole：ZEN 90160=1:30 | 13.261 | 87.402 | 74.577 | 117.196 |
As a result (table 2) shows, metconazole compounds with ZEN 90160 and the prevention effect of wheat rust is significantly improved, and illustrates two
Person's compounding has significant synergies to wheat rust, and especially metconazole and wheat rust ratio is 1:20~20:Between 1,
The co-toxicity coefficient of metconazole and ZEN 90160 is more than 120, and synergistic effect is obvious.
3rd, metconazole and SSF 126 compounding are tested rice blast toxicity test
The metconazole of table 3 is compounded to rice blast toxicity test interpretation of result with SSF 126
| Medicament title | EC50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Metconazole | 8.32 | 100 | / | / |
| SSF 126 | 10.12 | 89.21 | / | / |
| Match metconazole：SSF 126=30:1 | 6.862 | 121.248 | 99.652 | 121.671 |
| Match metconazole：SSF 126=20:1 | 6.288 | 132.312 | 99.486 | 132.995 |
| Match metconazole：SSF 126=10:1 | 5.824 | 142.849 | 99.019 | 144.264 |
| Match metconazole：SSF 126=1:1 | 5.556 | 149.739 | 94.605 | 158.278 |
| Match metconazole：SSF 126=1:10 | 5.960 | 139.597 | 90.191 | 154.779 |
| Match metconazole：SSF 126=1:20 | 7.089 | 117.363 | 89.724 | 130.805 |
| Match metconazole：SSF 126=1:30 | 7.821 | 106.376 | 89.558 | 118.779 |
As a result (table 3) shows, metconazole compounds with SSF 126 and the prevention effect of rice blast is significantly improved, explanation
The two compounding is had significant synergies to rice blast, and especially metconazole is matched 1 with SSF 126:20~20:1
Between, the co-toxicity coefficient of metconazole and SSF 126 is more than 130, and synergistic effect is obvious.
(2) field efficacy checking test
Test method：At the initial stage of a disease, first time spraying is carried out immediately, and second of dispenser is carried out after 7 days, 4 are each handled
Individual cell, each square meter of cell 20.In 10 days investigation statisticses incidences before medicine and after second medicine, each 5 points of cell is random
Sampling, 5 plants of crops of every investigation, investigates percentage and classification that the lesion area in whole strain per blade accounts for blade area, calculates
Disease index and prevention effect.
It is expected that preventive effect (%)=X+Y-XY/100 (wherein, X, Y are single dose preventive effect)
Grade scale：
0 grade：Disease-free spot；
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 more than 1cm；
5 grades：Leaf spot lesion 11-25, part scab is linked to be piece, and lesion area accounts for the 10-25% of leaf area；
7 grades：Leaf spot lesion more than 26, scab is linked to be piece, and lesion area accounts for the 26-50% of leaf area；
9 grades：Scab is linked to be piece, and more than 50% or the full leaf that lesion area accounts for leaf area are withered.
(1) metconazole compounds the field control effectiveness test to wheat rust with fluoxastrobin
The metconazole of table 4 compounds the prevention effect to wheat rust with fluoxastrobin
Measurement result (table 4) shows that metconazole compounds with fluoxastrobin and the preventive effect for preventing and treating wheat rust is significantly improved, and says
The two bright compounding has significant synergistic effect to wheat rust.
(2) metconazole and field control effectiveness test of the ZEN 90160 mixture to wheat rust
The metconazole of table 6 and prevention effect of the ZEN 90160 mixture to wheat rust
Measurement result (table 6) shows that metconazole is significantly improved with ZEN 90160 mixture to the preventive effect of wheat rust, illustrates two
Person's compounding has significant synergistic effect to wheat rust.
(2) metconazole and field control effectiveness test of the SSF 126 mixture to rice sheath blight disease
The metconazole of table 7 and prevention effect of the SSF 126 mixture to rice sheath blight disease
Measurement result (table 7) shows that metconazole is significantly improved with SSF 126 mixture to the preventive effect of rice sheath blight disease, explanation
The two compounding has significant synergistic effect to rice sheath blight disease.
Claims (10)
1. the bactericidal composition containing metconazole, it is characterised in that described composition includes two kinds of active components of A and B,
Wherein active component A is metconazole, and active component B is that the weight ratio between SSF 126, two components is 1:1~30,3：1、
10：1 or 30：1.
2. the bactericidal composition according to claim 1, it is characterised in that described composition is by 4~85% parts by weight
The insecticides adjuvants of active component and 96~15% parts by weight constitute.
3. the bactericidal composition according to claim 1, it is characterised in that said composition is aided with agricultural chemicals with active component
Any one formulation of suitable agricultural use is made in acceptable auxiliary material.
4. the bactericidal composition according to claim 3, it is characterised in that acceptable auxiliary material includes helping on the agricultural chemicals
Agent or carrier auxiliary element；Wherein described auxiliary agent is selected from mineral matter, solvent, adhesive, thickener, adhesive, surfactant
Or the one or more in fertilizer.
5. bactericidal composition according to claim 4, it is characterised in that acceptable auxiliary material includes auxiliary agent on the agricultural chemicals
Or carrier auxiliary element；Wherein described auxiliary agent is selected from mineral matter, solvent, dispersant, wetting agent, adhesive, thickener, adhesive
Or the one or more in fertilizer.
6. the bactericidal composition according to claim 4 or 5, it is characterised in that the solvent is selected from dimethylbenzene, phthalandione two
Butyl ester, thiacyclohexane, paraffin, ethanol, ethylene glycol, cyclohexanone, METHYLPYRROLIDONE, dimethyl sulfoxide (DMSO), dimethylformamide
Or soybean oil；The carrier be selected from talcum, kaolin, montmorillonite, atlapulgite, float stone, bentonite, bentonite, calcite, sand or
Dolomite；The surfactant is lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, alkali salt, amine salt, alkylaryl sulphur
The condensation product of hydrochlorate, alkyl sulfate, alkylsulfonate, aliphatic alcohol sulfate, sulfonated naphthalene and naphthalene derivatives and formaldehyde, polyoxy second
Alkene octyl phenyl ether, ethoxylated isooctyl-phenol, octyl phenol, nonyl phenol, alkylaryl polyglycol ether, alkyl aryl polyether
Alcohol, ethoxylated castor oil, polyoxyethylene alkyl ether, ethylene oxide condensation product, ethoxylation polyoxypropylene, sorbitol ester, wood
Quality sulfite waste liquor or methylcellulose.
7. the bactericidal composition according to claim 3, it is characterised in that the formulation is selected from wettable powder, suspended
Agent, water dispersible granules, aqueous emulsion or microemulsion.
8. purposes of the bactericidal composition in terms of agriculture field prevents and treats corps diseases described in claim 1 or 2.
9. purposes according to claim 8, wherein the corps diseases are wheat powdery mildew, wheat rust, paddy rice rice
Seasonal febrile diseases or rice sheath blight disease.
10. a kind of 24% metconazole SSF 126 aqueous emulsion, it is characterised in that be made up of following component：Metconazole 18%, benzene oxygen
Bacterium amine 6%, organic silicon defoamer 1.5%, poly- isosuccinic acid acid anhydride-ethylene glycol copolymer 2%, propane diols 1%, xanthans 4%, poly- second
Enol 2%, water complements to 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062251.7A CN104756993B (en) | 2014-11-04 | 2015-02-05 | Bactericidal composition containing metconazole |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410611745 | 2014-11-04 | ||
| CN2014106117451 | 2014-11-04 | ||
| CN201510062251.7A CN104756993B (en) | 2014-11-04 | 2015-02-05 | Bactericidal composition containing metconazole |
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| GB2562082B (en) * | 2017-05-04 | 2021-10-27 | Rotam Agrochem Int Co Ltd | A fungicidal composition and the use thereof |
| 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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| CN1239866A (en) * | 1996-12-10 | 1999-12-29 | 拜尔公司 | Fungicidal active substance combinations |
| CN103704218A (en) * | 2013-12-13 | 2014-04-09 | 广西田园生化股份有限公司 | Ultralow volume liquid containing picoxystrobin and triazole bactericide, and preparation method thereof |
| CN104186489A (en) * | 2014-09-22 | 2014-12-10 | 江苏丘陵地区镇江农业科学研究所 | Sterilizing composition containing metconazole and picoxystrobin |
| CN104186501A (en) * | 2014-09-22 | 2014-12-10 | 江苏省绿盾植保农药实验有限公司 | Sterilizing composition containing metconazole and fluoxastrobin and application thereof |
| 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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| CN100518508C (en) * | 2005-05-18 | 2009-07-29 | 安徽华星化工股份有限公司 | Compound sterilization composition based on kresoxim methyl |
| CN103563971A (en) * | 2012-08-07 | 2014-02-12 | 陕西美邦农药有限公司 | Bactericidal composition containing simeconazole and methoxy acrylate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1239866A (en) * | 1996-12-10 | 1999-12-29 | 拜尔公司 | Fungicidal active substance combinations |
| CN103704218A (en) * | 2013-12-13 | 2014-04-09 | 广西田园生化股份有限公司 | Ultralow volume liquid containing picoxystrobin and triazole bactericide, and preparation method thereof |
| CN104186489A (en) * | 2014-09-22 | 2014-12-10 | 江苏丘陵地区镇江农业科学研究所 | Sterilizing composition containing metconazole and picoxystrobin |
| CN104186501A (en) * | 2014-09-22 | 2014-12-10 | 江苏省绿盾植保农药实验有限公司 | Sterilizing composition containing metconazole and fluoxastrobin and application thereof |
| 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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