CN103583522A - Bactericidal composition containing fenarimol and strobilurin - Google Patents
Bactericidal composition containing fenarimol and strobilurin Download PDFInfo
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Abstract
The invention discloses a bactericidal composition containing fenarimol and strobilurin. The bactericidal composition contains an active component A and an active component B, wherein the active component A is fenarimol, the active component B is any one compound selected from the group consisting of azoxystrobin, dimoxystrobin, orysastrobin, metominostrobin, pyraoxystrobin, coumoxystrobin and enestroburin, and a weight ratio of the active component A to the active component B is 1: 80 to 60: 1. The bactericidal composition has high activity on a plurality of diseases of a plurality of crops, a substantial synergistic effect, a broadened bactericidal spectrum and the characteristics of a small usage amount, resistance to rain wash and substantial synergy.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of bactericidal composition containing Fenarimol and methoxy acrylic in crop pest.
Technical background
Fenarimol (fenarimol) chemical name: 2,4'-bis-chloro-2-(pyrimidine radicals-5) benzohydrols, molecular formula: C
17h
12c
12nO, for the broad-spectrum germicide with prevention, therapeutic action of foliage spray.By disturbing the formation of pathogen sterol and ergosterol, thereby affect normal development.This medicine can not suppress the sprouting of pathogen spore, but can suppress growth, the growth of pathogen mycelia, causes and can not infect plant tissue.
In the real process of agricultural production, preventing and treating the problem that disease the most easily produces is the generation of disease drug resistance.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor's research, discovery is mutually composite by Fenarimol and Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin, there is within the specific limits good synergistic effect, and relevant composite about Fenarimol and Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin, there is not yet at present relevant report at home and abroad.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good bactericidal composition containing Fenarimol and methoxy acrylic.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition containing Fenarimol and methoxy acrylic, contain active components A and active component B, active components A and active component B weight ratio are 1: 80～60: 1, described active components A is selected from Fenarimol, and active component B is selected from a kind of in Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin; The preferred weight ratio that is preferably active components A and active component B is 1: 60～40: 1; More preferably the weight ratio of Fenarimol and Fluoxastrobin is 1: 30～10: 1, the weight ratio of Fenarimol and dimoxystrobin is 1: 30～10: 1, the weight ratio of Fenarimol and orysastrobin is 1: 30～10: 1, the weight ratio of Fenarimol and SSF 126 is 1: 20～10: 1, the weight ratio of Fenarimol and azoles bacterium ester is 1: 30～10: 1, the weight ratio of Fenarimol and SYP-3375 is 1: 30～10: 1, and the weight ratio of Fenarimol and Enestroburin is 1: 30～10: 1; The weight ratio that most preferably is Fenarimol and Fluoxastrobin is 1: 19～4: 1, the weight ratio of Fenarimol and dimoxystrobin is 1: 19～4: 1, the weight ratio of Fenarimol and orysastrobin is 1: 19～4: 1, the weight ratio of Fenarimol and SSF 126 is 1: 9～4: 1, the weight ratio of Fenarimol and azoles bacterium ester is 1: 19～4: 1, the weight ratio of Fenarimol and SYP-3375 is 1: 19～4: 1, and the weight ratio of Fenarimol and Enestroburin is 1: 19～4: 1.
The described bactericidal composition containing Fenarimol and methoxy acrylic, composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
The disease of the described bactericidal composition containing Fenarimol and methoxy acrylic for preventing and treating crop; Described crop comprises cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop; Described disease comprises powdery mildew, gray mold, brown spot, scab, leaf spot, rust, glume blight, rust, downy mildew, epidemic disease, fusarium wilt, peronospora tabacina, net blotch, ring spot, stalk break, anthrachose of grape, shot hole, climing rot, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, head blight.
The amount of application when content of active component depends on independent use in bactericidal composition of the present invention, 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 disease.Conventionally in composition, the weight percentage of active component is gross weight 1%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Conventionally, liquid preparation contains 1%～60% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
In bactericidal composition of the present invention, at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use.Surface-active contents is 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
The bactericidal composition of invention can be by user before use through dilution or directly use.Its preparation can be prepared by processing method known in those skilled in the art, after being about to active component and mixing with liquid flux or solid carrier, then adds surfactant as one or more in dispersant, wetting agent, binding agent, defoamer etc.According to different dosage form, in preparation, can also contain stabilizing agent known in those skilled in the art, antifreeze etc.
When making wetting powder, composition comprises following component and content: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
When making suspending agent, composition comprises following component and content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following component and content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
When making microemulsion, composition comprises following component and content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
When making suspension emulsion, composition comprises following component and content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following component and content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
When making microcapsule suspension-suspending agent, composition comprises following component and content: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspending agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) expanded fungicidal spectrum, multiple diseases has been had to greater activity as powdery mildew, gray mold, brown spot, scab, leaf spot, rust, glume blight, rust, downy mildew, epidemic disease, fusarium wilt, peronospora tabacina, net blotch, ring spot, stalk break, anthrachose of grape, shot hole, climing rot, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, head blight.
Embodiment
Below in conjunction with embodiment, to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1～16 wetting powder
Fenarimol, 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.Specifically in Table 1,2,3.
Table 1 embodiment 1～6 each component and content
Table 2 embodiment 7～11 each component and content
Table 3 embodiment 12～16 each component and content
Embodiment 17～32 water dispersible granules
Fenarimol, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained to the particle diameter needing through air-flow crushing together, then add other auxiliary agents such as binding agent (can add and can not add), obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, can make water dispersible granules product of the present invention, specifically in Table 4,5,6.
Table 4 embodiment 17～22 each component and content
Table 5 embodiment 23～27 each component and content
Table 6 embodiment 28～32 each component and content
Embodiment 33～48 suspending agents
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), through high speed shear, mix, add Fenarimol, active component B, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, surplus is supplied by deionized water, can make suspending agent product of the present invention, specifically in Table 7,8,9.
Table 7 embodiment 33～38 each component and content
Table 8 embodiment 39～43 each component and content
Table 9 embodiment 44～48 each component and content
Embodiment 49～64 aqueous emulsions
Fenarimol, active component B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase, make aqueous emulsion product of the present invention.Specifically in Table 10,11,12.
Table 10 embodiment 49～54 each component and content
Table 11 embodiment 55～59 each component and content
Table 12 embodiment 60～64 each component and content
Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin in table 1 ~ 12 are exchanged, can make novel formulation.
Embodiment 65～68 microemulsions
Fenarimol, active component B are dissolved in the homogenizer that solvent is housed, by emulsifier, antifreeze (can add and can not add), defoamer, join in the homogenizer that above-mentioned solution is housed, surplus gives strong mixing and homogenize after supplying by deionized water, finally obtain the as clear as crystal microemulsion product of the present invention of outward appearance.Specifically in Table 13.
Table 13 embodiment 65～68 each component and content
Embodiment 69～72 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add Fenarimol, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make Fenarimol suspending agent, then by active component B, emulsifier, solvent and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically in Table 14.
Table 14 embodiment 69～72 each component and content
Embodiment 73～76 microcapsule suspending agents
By Fenarimol, active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, defoamer, surplus is supplied by deionized water, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in Table 15.
Table 15 embodiment 73～76 each component and content
Embodiment 77～80 microcapsule suspensions-suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add Fenarimol, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, makes the finely disseminated microcapsule suspension-suspending agent of present composition product.Specifically in Table 16.
Table 16 embodiment 77～80 each component and content
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR < 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR > 1.5 is synergistic effect, on this basis, then carries out field trial.
Test method: after the effective inhibition concentration scope of each medicament is determined in prerun, medicament is established respectively 5 dosage by active constituent content and processed, and establishes clear water contrast.With reference to < < farm-chemical indoor determination test rule bactericide > >, carry out, adopt mycelial growth rate method to measure the virulence of medicament to crop germ.After 72h, by right-angled intersection method, measure colony diameter, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value to (x), with method of least squares, tries to achieve virulence regression equation (y=a+bx), and calculates thus the EC of every kind of medicament
50value.According to Wadley method, calculate the different proportioning synergy ratio (SR) of two medicaments, 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 active components A and active component B shared ratio in combination;
A is Fenarimol;
B is selected from a kind of in Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin.
Application Example two:
For trying disease: pear scab, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the two different proportioning mixture of Fenarimol and Fluoxastrobin through preliminary experiment.
Toxicity test result
Table 17 Fenarimol and the azoxystrobin compound toxicity test analysis of results table to pear scab
As shown in Table 17, the proportioning of Fenarimol and azoxystrobin compound control pear scab was at 1: 80 ~ 60: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrate that both were mixed in scope and all show synergistic effect at 1: 80 ~ 60: 1, the proportioning of Fenarimol and Fluoxastrobin was at 1: 30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.29.Through applicant, test and find that the proportioning of Fenarimol and Fluoxastrobin is 10: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 11,1: 12,1: 13,1: 14,1: 15,1: 20,1: 25,1: 30, when wherein Fenarimol and Fluoxastrobin weight ratio are 1:5, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For trying disease: powdery mildew of cucumber, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenarimol and dimoxystrobin and the two different proportioning mixture through preliminary experiment
Toxicity test result
The composite toxicity test analysis of results table to powdery mildew of cucumber of table 18 Fenarimol and dimoxystrobin
As shown in Table 18, the composite proportioning of preventing and treating powdery mildew of cucumber of Fenarimol and dimoxystrobin was at 1: 80 ~ 60: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrate that both were mixed in scope and all show synergistic effect at 1: 80 ~ 60: 1, the proportioning of Fenarimol and dimoxystrobin was at 1: 30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Through applicant, test and find that the proportioning of Fenarimol and dimoxystrobin is 10: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 11,1: 12,1: 13,1: 14,1: 15,1: 20,1: 25,1: 30, when wherein Fenarimol and dimoxystrobin weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For trying disease: rice sheath blight disease, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenarimol and orysastrobin and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice sheath blight disease of table 19 Fenarimol and orysastrobin
As shown in Table 19, the composite proportioning of preventing and treating rice sheath blight disease of Fenarimol and orysastrobin was at 1: 80 ~ 60: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrate that both were mixed in scope and all show synergistic effect at 1: 80 ~ 60: 1, the proportioning of Fenarimol and orysastrobin was at 1: 30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the proportioning of Fenarimol and orysastrobin is 10: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 11,1: 12,1: 13,1: 14,1: 15,1: 20,1: 25,1: 30, when wherein Fenarimol and orysastrobin weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For trying disease: rice blast, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenarimol and SSF 126 and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice blast of table 20 Fenarimol and SSF 126
As shown in Table 20, the proportioning of the composite control rice blast of Fenarimol and SSF 126 was at 1: 80 ~ 60: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrate that both were mixed in scope and all show synergistic effect at 1: 80 ~ 60: 1, the proportioning of Fenarimol and SSF 126 was at 1: 20～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the proportioning of Fenarimol and SSF 126 is 10: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 11,1: 12,1: 13,1: 14,1: 15,1: 20, when wherein Fenarimol and SSF 126 weight ratio are 1:5, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For examination disease: cucumber downy mildew, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining Fenarimol and the former medicine of azoles bacterium ester and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to cucumber downy mildew of table 21 Fenarimol and azoles bacterium ester
As shown in Table 21, the proportioning of Fenarimol and the composite control cucumber downy mildew of azoles bacterium ester was at 1: 80 ~ 60: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrate that both were mixed in scope and all show synergistic effect at 1: 80 ~ 60: 1, the proportioning of Fenarimol and azoles bacterium ester was at 1: 30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the proportioning of Fenarimol and azoles bacterium ester is 10: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 11,1: 12,1: 13,1: 14,1: 15,1: 20,1: 25,1: 30, when wherein Fenarimol and azoles bacterium ester weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example seven:
For trying disease: tomato blight, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenarimol and SYP-3375 and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to tomato blight of table 22 Fenarimol and SYP-3375
As shown in Table 22, the proportioning of the composite control tomato blight of Fenarimol and SYP-3375 was at 1: 80 ~ 60: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrate that both were mixed in scope and all show synergistic effect at 1: 80 ~ 60: 1, the proportioning of Fenarimol and SYP-3375 is in 1:30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the proportioning of Fenarimol and SYP-3375 is 10: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 11,1: 12,1: 13,1: 14,1: 15,1: 20,1: 25,1: 30, when wherein Fenarimol and SYP-3375 weight ratio are 1:3, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example eight:
For trying disease: downy mildew of garpe, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of Fenarimol and Enestroburin and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to downy mildew of garpe of table 23 Fenarimol and Enestroburin
| Reagent agent | Proportioning | EC 50（mg/L） | EC 50（mg/L） | Synergy ratio |
| Observed value | Theoretical value | （SR） | ||
| Fenarimol | - | 0.69 | - | - |
| Enestroburin | - | 2.66 | - | - |
| Fenarimol: Enestroburin | 1：80 | 1.43 | 2.57 | 1.80 |
| Fenarimol: Enestroburin | 1：60 | 1.30 | 2.54 | 1.95 |
| Fenarimol: Enestroburin | 1：40 | 1.19 | 2.49 | 2.09 |
| Fenarimol: Enestroburin | 1：30 | 1.09 | 2.44 | 2.23 |
| Fenarimol: Enestroburin | 1：19 | 0.98 | 2.33 | 2.38 |
| Fenarimol: Enestroburin | 1：9 | 0.83 | 2.07 | 2.49 |
| Fenarimol: Enestroburin | 1：4 | 0.65 | 1.69 | 2.60 |
| Fenarimol: Enestroburin | 1：1 | 0.44 | 1.10 | 2.49 |
| Fenarimol: Enestroburin | 4：1 | 0.34 | 0.81 | 2.38 |
| Fenarimol: Enestroburin | 10：1 | 0.33 | 0.74 | 2.24 |
| Fenarimol: Enestroburin | 20：1 | 0.34 | 0.72 | 2.10 |
| Fenarimol: Enestroburin | 40：1 | 0.36 | 0.70 | 1.95 |
| Fenarimol: Enestroburin | 60：1 | 0.39 | 0.70 | 1.79 |
As shown in Table 23, the composite proportioning of preventing and treating downy mildew of garpe of Fenarimol and Enestroburin was at 1: 80 ~ 60: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrate that both were mixed in scope and all show synergistic effect at 1: 80 ~ 60: 1, the proportioning of Fenarimol and Enestroburin was at 1: 30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the proportioning of Fenarimol and Enestroburin is 10: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 11,1: 12,1: 13,1: 14,1: 15,1: 20,1: 25,1: 30, when wherein Fenarimol and Enestroburin weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test, find: after Fenarimol and active component B are composite, the control of the powdery mildew in various crop, gray mold, brown spot, scab, leaf spot, rust, glume blight, rust, downy mildew, epidemic disease, fusarium wilt, peronospora tabacina, net blotch, ring spot, stalk break, anthrachose of grape, shot hole, climing rot, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, head blight is had to obvious synergistic effect, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed, provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd, contrast medicament 6% Fenarimol wetting powder (commercial), 25% Fluoxastrobin suspending agent (commercial), 20% dimoxystrobin suspending agent (autogamy), 20% orysastrobin suspending agent (autogamy), 10% SSF 126 missible oil (autogamy), 20% azoles bacterium ester suspending agent (commercial), 20% SYP-3375 suspending agent (commercial), 25% Enestroburin missible oil (commercial).
Application Example nine Fenarimols and active component B and the test of composite control graw mold of tomato effect thereof
This experimental establishment, in Xi'an City, Shanxi Province, is investigated the graw mold of tomato state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 24 Fenarimol and active component B and the composite control graw mold of tomato test of pesticide effectiveness thereof
As can be seen from Table 24, Fenarimol and active component B and composite after can effectively prevent and treat graw mold of tomato, tomato blight is also had to good preventive effect simultaneously, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten Fenarimols and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Jingyang County, Shaanxi Province, is investigated the powdery mildew of cucumber state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 3 days, 7 days, 15 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 25 Fenarimol and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 25, Fenarimol and active component B and composite after can effectively prevent and treat powdery mildew of cucumber, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten monochloro-benzene ancymidols and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement, in Xianyang, Shanxi province city, is investigated the pear scab state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 26 Fenarimol and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 26, Fenarimol and active component B and composite rear efficiency control pear scab thereof, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten dichloro-benzenes ancymidols and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Hanzhong City, is investigated the rice blast state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 27 Fenarimol and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 27, Fenarimol and active component B and composite after can effectively prevent and treat rice blast, rice sheath blight disease is also had to good preventive effect simultaneously, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten trichloro-benzenes ancymidols and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This experimental establishment, at Shaanxi Province's Weinan City, is investigated the downy mildew of garpe state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 28 Fenarimol and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 28, Fenarimol and active component B and composite after can effectively prevent and treat downy mildew of garpe, anthracnose of grape is also had to good preventive effect simultaneously, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten tetrachlorobenzene ancymidols and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
This test arrangement, at Shaanxi Province's Weinan City, is investigated wheat rust before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 29 Fenarimol and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 29, Fenarimol and active component B and composite after can effectively prevent and treat wheat rust, wheat net blotch, glume blight are had to good preventive effect simultaneously, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten pentachlorobenzene ancymidols and active component B and the composite cercospora leaf spot of sugar beet test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Nehe City, Heilungkiang, is investigated the cercospora leaf spot of sugar beet state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 30 Fenarimol and active component B and the composite cercospora leaf spot of sugar beet test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 30, Fenarimol and active component B and composite after can effectively prevent and treat cercospora leaf spot of sugar beet, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After through different local throughout the country tests, draw, Fenarimol and Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin is composite rear to the powdery mildew in various crop, gray mold, brown spot, scab, leaf spot, rust, glume blight, rust, downy mildew, epidemic disease, fusarium wilt, peronospora tabacina, net blotch, ring spot, stalk break, anthrachose of grape, shot hole, climing rot, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, the preventive effect of the Common Diseases such as head blight all 95% with on excellent, in single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the bactericidal composition containing Fenarimol and methoxy acrylic, it is characterized in that: contain active components A and active component B, active components A and active component B weight ratio are 1: 80～60: 1, described active components A is selected from Fenarimol, and active component B is selected from a kind of in Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin.
2. the bactericidal composition containing Fenarimol and methoxy acrylic according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1: 60～40: 1.
3. the bactericidal composition containing Fenarimol and methoxy acrylic according to claim 2, is characterized in that:
The weight ratio of Fenarimol and Fluoxastrobin is 1: 30～10: 1;
The weight ratio of Fenarimol and dimoxystrobin is 1: 30～10: 1;
The weight ratio of Fenarimol and orysastrobin is 1: 30～10: 1;
The weight ratio of Fenarimol and SSF 126 is 1: 20～10: 1;
The weight ratio of Fenarimol and azoles bacterium ester is 1: 30～10: 1;
The weight ratio of Fenarimol and SYP-3375 is 1: 30～10: 1;
The weight ratio of Fenarimol and Enestroburin is 1: 30～10: 1.
4. according to the bactericidal composition containing Fenarimol and methoxy acrylic described in any one in claim 1～3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
5. the bactericidal composition containing Fenarimol and methoxy acrylic according to claim 4 is for preventing and treating the purposes of crop pest.
6. purposes according to claim 5, is characterized in that: described disease comprises powdery mildew, gray mold, brown spot, scab, leaf spot, rust, glume blight, rust, downy mildew, epidemic disease, fusarium wilt, peronospora tabacina, net blotch, ring spot, stalk break, anthrachose of grape, shot hole, climing rot, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, head blight.
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| WO2010094728A1 (en) * | 2009-02-19 | 2010-08-26 | Bayer Cropscience Ag | Pesticide composition comprising a tetrazolyloxime derivative and a fungicide or an insecticide active substance |
| US20100317520A1 (en) * | 2009-06-12 | 2010-12-16 | Sumitomo Chemical Company, Limited | Method for controlling noxious organisms |
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| WO2010094728A1 (en) * | 2009-02-19 | 2010-08-26 | Bayer Cropscience Ag | Pesticide composition comprising a tetrazolyloxime derivative and a fungicide or an insecticide active substance |
| US20100317520A1 (en) * | 2009-06-12 | 2010-12-16 | Sumitomo Chemical Company, Limited | Method for controlling noxious organisms |
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