CN103583522B - 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 a kind of application of bactericidal composition in crop pest containing Fenarimol and methoxy acrylic.
Technical background
Fenarimol (fenarimol) chemical name: 2,4'-bis-chloro-2-(pyrimidine radicals-5) benzohydrol, 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, thus 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, the problem that controlling 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 clearly, very high composite just less of synergy ratio.Study through inventor, find Fenarimol and Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin mutually composite, there is good synergistic effect within the specific limits, and about Fenarimol and Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin relevant composite, there is not yet relevant report at home and abroad at present.
Summary of the invention
The object of the invention is to propose a kind ofly have that synergistic function, use cost are low, preventive effect is good containing the bactericidal composition of Fenarimol and methoxy acrylic.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition containing Fenarimol and methoxy acrylic, containing 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 the one in Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin; The preferred weight ratio being preferably active components A and active component B is 1: 60 ~ 40: 1; The weight ratio being more preferably 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 most preferably being 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 makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
The described bactericidal composition containing Fenarimol and methoxy acrylic is for preventing and treating the disease of 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, flower crop, medicinal crop, 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, blight dis-ease, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, head blight.
In bactericidal composition of the present invention, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target disease.In usual composition, the weight percentage of active component is 1% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 60%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when 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 by user before use through diluting or directly using.Its preparation can be prepared by processing method known in those skilled in the art, after mixing, then adds surfactant as one or more in dispersant, wetting agent, binding agent, defoamer etc. by active component with liquid flux or solid carrier.According to different dosage form, in preparation, stabilizing agent known in those skilled in the art, antifreeze etc. can also be contained.
Composition comprises following component and content when making wetting powder: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: 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.
Composition comprises following component and content when making suspending agent: 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%.
Composition comprises following component and content when making aqueous emulsion: 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%.
Composition comprises following component and content when making microemulsion: 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%.
Composition comprises following component and content when making suspension emulsion: 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%.
Composition comprises following component and content when making microcapsule suspending agent: 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%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: 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-suspendinagent 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) pesticide usage amount reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) fungicidal spectrum is expanded, to multiple diseases 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, blight dis-ease, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, head blight have greater activity.
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
By Fenarimol, active component B, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically in table 1,2,3.
The each component of table 1 embodiment 1 ~ 6 and content
The each component of table 2 embodiment 7 ~ 11 and content
The each component of table 3 embodiment 12 ~ 16 and content
Embodiment 17 ~ 32 water dispersible granules
Fenarimol, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, then add other auxiliary agents such as binding agent (can add and can not add), obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, water dispersible granules product of the present invention can being obtained, specifically in table 4,5,6.
The each component of table 4 embodiment 17 ~ 22 and content
The each component of table 5 embodiment 23 ~ 27 and content
The each component of table 6 embodiment 28 ~ 32 and content
Embodiment 33 ~ 48 suspending agent
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), mix through high speed shear, add Fenarimol, active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, surplus deionized water is supplied, and can obtain suspending agent product of the present invention, specifically in table 7,8,9.
The each component of table 7 embodiment 33 ~ 38 and content
The each component of table 8 embodiment 39 ~ 43 and content
The each component of table 9 embodiment 44 ~ 48 and content
Embodiment 49 ~ 64 aqueous emulsion
Fenarimol, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, obtained aqueous emulsion product of the present invention.Specifically in table 10,11,12.
The each component of table 10 embodiment 49 ~ 54 and content
The each component of table 11 embodiment 55 ~ 59 and content
The each component of table 12 embodiment 60 ~ 64 and content
Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin in table 1 ~ 12 are exchanged, can novel formulation be obtained.
Embodiment 65 ~ 68 microemulsion
Fenarimol, active component B are dissolved in and are equipped with in the homogenizer of solvent, by emulsifier, antifreeze (can add and can not add), defoamer, join above-mentioned solution is housed homogenizer in, surplus deionized water gives strong mixing and homogenize after supplying, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 13.
The each component of table 13 embodiment 65 ~ 68 and content
Embodiment 69 ~ 72 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add Fenarimol, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained Fenarimol suspending agent, then by active component B, emulsifier, solvent and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 14.
The each component of table 14 embodiment 69 ~ 72 and content
Embodiment 73 ~ 76 microcapsule suspending agent
By Fenarimol, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, 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.
The each component of table 15 embodiment 73 ~ 76 and content
Embodiment 77 ~ 80 microcapsule suspension-suspendinagent agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, 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, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 16.
The each component of table 16 embodiment 77 ~ 80 and content
The embodiment of the present invention is the method adopting 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: determine that after the effective inhibition concentration scope of each medicament, medicament establishes 5 dosage process respectively by active constituent content through prerun, if clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt mycelial growth rate method to measure medicament to the virulence of crop germ.Measure colony diameter by right-angled intersection method after 72h, calculate each 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), tries to achieve virulence regression equation (y=a+bx), and calculate the EC of often kind of medicament thus with method of least squares
50value.Calculate two medicament different ratio synergies ratio (SR) according to Wadley method, SR < 0.5 is antagonism, and 0.5≤SR≤1.5 are summation action simultaneously, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and the ratio of active component B shared by combination;
A is Fenarimol;
B is selected from the one in Fluoxastrobin, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, SYP-3375, Enestroburin.
Application Example two:
For examination disease: pear scab, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of both preliminary experiment determination Fenarimol and Fluoxastrobin different ratio mixture.
Toxicity test result
Table 17 Fenarimol and azoxystrobin compound are to the toxicity test analysis of results table of pear scab
As shown in Table 17, Fenarimol and azoxystrobin compound prevent and treat the proportioning of pear scab 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of Fenarimol and Fluoxastrobin is 1: 30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.29.Testing through applicant the proportioning finding 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 examination disease: powdery mildew of cucumber, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of dimoxystrobin and the two different ratio mixture
Toxicity test result
Table 18 Fenarimol and the composite toxicity test analysis of results table to powdery mildew of cucumber of dimoxystrobin
As shown in Table 18, Fenarimol and the composite proportioning of preventing and treating powdery mildew of cucumber of dimoxystrobin are 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of Fenarimol and dimoxystrobin is 1: 30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Testing through applicant the proportioning finding 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 examination disease: rice sheath blight disease, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of orysastrobin and the two different ratio mixture.
Toxicity test result
Table 19 Fenarimol and the composite toxicity test analysis of results table to rice sheath blight disease of orysastrobin
As shown in Table 19, the proportioning of Fenarimol and the composite water prevention rice sheath blight of orysastrobin is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of Fenarimol and orysastrobin is 1: 30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding 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 examination disease: rice blast, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of SSF 126 and the two different ratio mixture.
Toxicity test result
Table 20 Fenarimol and the composite toxicity test analysis of results table to rice blast of SSF 126
As shown in Table 20, the proportioning of Fenarimol and the composite control rice blast of SSF 126 is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of Fenarimol and SSF 126 is 1: 20 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding 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 Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of azoles bacterium ester and the two different ratio mixture.
Table 21 Fenarimol and the composite toxicity test analysis of results table to cucumber downy mildew of azoles bacterium ester
As shown in Table 21, the proportioning of Fenarimol and the composite control cucumber downy mildew of azoles bacterium ester is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of Fenarimol and azoles bacterium ester is 1: 30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the proportioning finding 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 examination disease: tomato blight, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of SYP-3375 and the two different ratio mixture.
Table 22 Fenarimol and the composite toxicity test analysis of results table to tomato blight of SYP-3375
As shown in Table 22, the proportioning of Fenarimol and the composite control tomato blight of SYP-3375 is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, 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.Testing through applicant the proportioning finding 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 examination disease: downy mildew of garpe, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of Enestroburin and the two different ratio mixture.
Table 23 Fenarimol and the composite toxicity test analysis of results table to downy mildew of garpe of 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, Fenarimol and the composite proportioning of preventing and treating downy mildew of garpe of Enestroburin are 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of Fenarimol and Enestroburin is 1: 30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the proportioning finding 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: Fenarimol and active component B composite after have obvious synergistic effect to 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, blight dis-ease, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot, head blight, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided, 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 Fenarimol and active component B and composite control graw mold of tomato thereof are imitated and are tested
This experimental establishment is in Xi'an City, Shanxi Province, and the investigation graw mold of tomato state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively 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 effectively can prevent and treat graw mold of tomato, also have good preventive effect to tomato blight, control efficiency is all better than the preventive effect of single dose simultaneously, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten Fenarimol and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
This test arrangement is in Jingyang County, Shaanxi Province, and the investigation powdery mildew of cucumber state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 3 days, 7 days, 15 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 25 Fenarimol and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 25, Fenarimol and active component B and composite after effectively can 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 ancymidol and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, and the investigation pear scab state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively 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 thereof prevent and treat pear scab, and 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 ancymidol and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and the investigation rice blast state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively 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 effectively can prevent and treat rice blast, also have good preventive effect to rice sheath blight disease, control efficiency is all better than the preventive effect of single dose simultaneously, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten trichloro-benzenes ancymidol and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
This experimental establishment is at Shaanxi Province's Weinan City, and the investigation downy mildew of garpe state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 28 Fenarimol and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
As can be seen from Table 28, Fenarimol and active component B and composite after effectively can prevent and treat downy mildew of garpe, also have good preventive effect to anthracnose of grape, control efficiency is all better than the preventive effect of single dose simultaneously, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten tetrachlorobenzene ancymidol and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City, and investigation wheat rust before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 29 Fenarimol and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
As can be seen from Table 29, Fenarimol and active component B and composite after effectively can prevent and treat wheat rust, have good preventive effect to wheat net blotch, glume blight, control efficiency is all better than the preventive effect of single dose simultaneously, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten pentachlorobenzene ancymidol and active component B and compositely prevent and treat the cercospora leaf spot of sugar beet test of pesticide effectiveness
This test arrangement is in Nehe City, Heilungkiang, and the investigation cercospora leaf spot of sugar beet state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 30 Fenarimol and active component B and compositely prevent and treat the cercospora leaf spot of sugar beet test of pesticide effectiveness
As can be seen from Table 30, Fenarimol and active component B and composite after effectively can 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 draw through tests different local throughout the country, 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, blight dis-ease, 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. one kind contains the bactericidal composition of Fenarimol and methoxy acrylic, it is characterized in that: effective active composition is 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 Fluoxastrobin.
2. the bactericidal composition containing Fenarimol and methoxy acrylic according to claim 1, is characterized in that: the weight ratio of Fenarimol and Fluoxastrobin 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.
4. the bactericidal composition containing Fenarimol and methoxy acrylic according to any one of claims 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent 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 is 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, blight dis-ease, graywall, moire disease, rice blast, anthracnose, banded sclerotial blight, brown rot or head blight.
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