CN103651414A - Fungicidal composition containing fluoro-azole acibenzolar and methoxyl acrylate - Google Patents

Fungicidal composition containing fluoro-azole acibenzolar and methoxyl acrylate Download PDF

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CN103651414A
CN103651414A CN201210355378.4A CN201210355378A CN103651414A CN 103651414 A CN103651414 A CN 103651414A CN 201210355378 A CN201210355378 A CN 201210355378A CN 103651414 A CN103651414 A CN 103651414A
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fluorine
azoles acibenzolar
acibenzolar
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fluorine azoles
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CN103651414B (en
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张伟
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Shaanxi Meibang Pharmaceutical Group Co ltd
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Shaanxi Meibang Pesticide Co Ltd
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Abstract

The invention discloses a fungicidal composition containing fluoro-azole acibenzolar and methoxyl acrylate. The fungicidal composition contains an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from fluoro-azole acibenzolar, the active ingredient B is any compound selected from azoxystrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, metominostrobin and pyraoxystrobin, and the weight ratio of the active ingredient A to the active ingredient B is (1: 80) to (60: 1). The composition disclosed by the invention has a synergistic effect on a variety of diseases which endanger agricultural production, so that the pesticide dosage is reduced, the residual quantity of the pesticide on crops is reduced, the environmental pollution is alleviated, the composition is safe to human and livestock, the environmental compatibility is good, and the drug resistance for the diseases is difficult to generate.

Description

The bactericidal composition of a kind of fluorine-containing azoles Acibenzolar and methoxy acrylic
Technical field
The invention belongs to technical field of pesticide, the application of the bactericidal composition that relates to a kind of fluorine-containing azoles Acibenzolar and methoxy acrylic on corps diseases.
Background technology
Fluorine azoles Acibenzolar is a class novel plant inducing anti-disease activator, and this compounds itself does not have bactericidal activity, and can produce infecting the resistance of germ by inducing plant on live plant.
Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester all belong to methoxy acrylic bactericide, are widely used in the disease of crops.
Yet 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 sterilization 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, after discovery is composite by fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, can produce good synergistic effect, and not yet open about the composite relevant report of fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect is good fluorine-containing azoles Acibenzolar and the bactericidal composition of methoxy acrylic.
The fluorine-containing azoles Acibenzolar that the present invention proposes and the bactericidal composition of 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 fluorine azoles Acibenzolar, active component B is selected from a kind of in Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester, and active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 40 ︰ 1; More preferably the weight ratio of fluorine azoles Acibenzolar and Fluoxastrobin or kresoxim-methyl is 1 ︰ 30 ~ 10 ︰ 1, the weight ratio of fluorine azoles Acibenzolar and dimoxystrobin or orysastrobin is 1 ︰ 30 ~ 20 ︰ 1, the weight ratio of fluorine azoles Acibenzolar and SSF 126 is 1 ︰ 35 ~ 10 ︰ 1, and the weight ratio of fluorine azoles Acibenzolar and azoles bacterium ester is 1 ︰ 25 ~ 20 ︰ 1; The weight ratio that most preferably is fluorine azoles Acibenzolar and Fluoxastrobin or kresoxim-methyl is 1 ︰ 15 ~ 1 ︰ 4, the weight ratio of fluorine azoles Acibenzolar and dimoxystrobin or orysastrobin is 1 ︰ 12 ~ 1 ︰ 1, the weight ratio of fluorine azoles Acibenzolar and SSF 126 is 1 ︰ 19 ~ 1 ︰ 9, and the weight ratio of fluorine azoles Acibenzolar and azoles bacterium ester is 1 ︰ 9 ~ 1 ︰ 1
The fluorine-containing azoles Acibenzolar that the present invention proposes and the bactericidal composition of methoxy acrylic are for preventing and treating the purposes of disease on crops, and described crops comprise 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, downy mildew, epidemic disease, leaf mold, shot hole, scab, peronospora tabacina, anthracnose, spot defoliation, rust, rice blast, banded sclerotial blight, brown spot.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 60 ︰ 1.Conventionally in composition, the weight percentage of active component is gross weight 0.5%~90%, is preferably 5%~80%.According to different preparation types, active component content scope is different.Conventionally, liquid preparation contains 1%~70% 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 5%~30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can be by user before use through dilution or directly use.Its preparation can be prepared by common processing method known in those skilled in the art, after being about to active substance and mixing with liquid flux or solid carrier, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer, disintegrant, antifreeze etc.
Bactericidal composition of the present invention, can be processed on demand acceptable formulation in any sterilization, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following constituent content: active components A 1% ~ 60%, active component B1% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
When making water dispersible granules, composition comprises following constituent content: active components A 1% ~ 60%, active component B1% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
When making suspending agent, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making suspension emulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 1% ~ 15%, thickener 0 ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water are supplied surplus.
When making microemulsion, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water are supplied surplus.
When making microcapsule suspending agent, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, organic solvent 1% ~ 10%, emulsifier 1% ~ 7%, defoamer 0.01% ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
When making microcapsule suspension-suspending agent, composition comprises following constituent content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, organic solvent 1% ~ 15%, emulsifier 1% ~ 6%, 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:
Figure BDA00002174125300041
Figure BDA00002174125300051
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Figure BDA00002174125300053
Suspension emulsion the key technical indexes of the present invention:
Figure BDA00002174125300054
Aqueous emulsion the key technical indexes of the present invention:
Figure BDA00002174125300055
Microemulsion the key technical indexes of the present invention:
Figure BDA00002174125300056
Figure BDA00002174125300061
Microcapsule suspending agent the key technical indexes of the present invention:
Figure BDA00002174125300062
Microcapsule suspension-suspending agent the key technical indexes of the present invention:
Figure BDA00002174125300063
The invention has the advantages that:
(1) fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester composite after, there is obvious synergy and lasting effect; (2) disease on 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 is all had to greater activity; (3) reduce agricultural chemicals dosage, reduced the residual quantity of agricultural chemicals on crop, alleviated environmental pollution; (4), to person poultry safety, Environmental compatibility is good; And preparation adhesion strength strengthens, resistance of rainwater washing against.
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
Fluorine azoles Acibenzolar, active component B, dispersant, wetting agent, filler are mixed in mixed cylinder, after airslide disintegrating mill is pulverized, mix again, can make wetting powder product of the present invention, specifically in Table 1.
Table 1 embodiment 1~16 each component and weight portion
Figure BDA00002174125300071
Embodiment 17~32 water dispersible granules
Fluorine azoles Acibenzolar, 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 2.
Table 2 embodiment 17~32 each component and weight portions
Figure BDA00002174125300081
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 fluorine azoles Acibenzolar, 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 3.
Table 3 embodiment 33~48 each component and weight portions
Figure BDA00002174125300091
Figure BDA00002174125300101
Embodiment 49~56 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 active component B, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make active component B suspending agent, then by fluorine azoles Acibenzolar, solvent, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, surplus is supplied by deionized water, make suspension emulsion product of the present invention, specifically in Table 4,5.
Table 4 embodiment 49~52 each component and weight portions
Figure BDA00002174125300102
Table 5 embodiment 53~56 each component and weight portions
Figure BDA00002174125300111
Embodiment 57~66 aqueous emulsions
Fluorine azoles Acibenzolar, 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, surplus is supplied by deionized water; Can make aqueous emulsion product of the present invention, specifically in Table 6.
Table 6 embodiment 57~66 each component and weight portions
Figure BDA00002174125300112
Figure BDA00002174125300121
By Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester interchange in table 1 ~ 6, can make novel formulation.
Embodiment 67~69 microemulsions
Fluorine azoles Acibenzolar, active component B, solvent, emulsifier, antifreeze (can add and can not add), defoamer are fully mixed into the oil phase of homogeneous transparent, under agitation slowly add deionized water, form WO emulsion, again through agitating heating, make it rapid phase inversion and become oil-in-water type, be chilled to room temperature and make it to reach balance, after filtration, surplus is supplied by deionized water; Can make microemulsion product of the present invention, specifically in Table 7.
Table 7 embodiment 67~69 each component and weight portions
Figure BDA00002174125300122
Embodiment 70,71 microcapsule suspending agents
By fluorine azoles Acibenzolar, 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, 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 8.
Table 8 embodiment 70,71 each component and weight portions
Figure BDA00002174125300132
Embodiment 72,73 microcapsule suspensions-suspending agent
By fluorine azoles Acibenzolar, 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 active component B, 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, make the finely disseminated microcapsule suspension-suspending agent of present composition product, specifically in Table 9.
Table 9 embodiment 72,73 each component and weight portions
Figure BDA00002174125300141
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:
Figure BDA00002174125300151
Figure BDA00002174125300152
Wherein: a, b are respectively active components A and active component B shared ratio in combination;
A is fluorine azoles Acibenzolar;
B is selected from a kind of in Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester.
Application Example two:
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 fluorine azoles Acibenzolar and the former medicine of Fluoxastrobin and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 10 fluorine azoles Acibenzolar and the azoxystrobin compound toxicity test analysis of results table to powdery mildew of cucumber
Figure BDA00002174125300161
As shown in Table 10, fluorine azoles Acibenzolar and the Fluoxastrobin proportioning synergy ratio SR to powdery mildew of cucumber when 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine azoles Acibenzolar and Fluoxastrobin is during 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 optimum ratio of fluorine azoles Acibenzolar and Fluoxastrobin is 10:1,5:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:18,1:20,1:25,1:30, especially when fluorine azoles Acibenzolar and Fluoxastrobin weight ratio are 1:9, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three
For trying disease: grape powdery mildew
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining fluorine azoles Acibenzolar and the former medicine of kresoxim-methyl and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to grape powdery mildew of table 11 fluorine azoles Acibenzolar and kresoxim-methyl
Figure BDA00002174125300171
As shown in Table 11, fluorine azoles Acibenzolar and the kresoxim-methyl proportioning synergy ratio SR to grape powdery mildew when 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine azoles Acibenzolar and kresoxim-methyl is during 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 optimum ratio of fluorine azoles Acibenzolar and kresoxim-methyl is 10:1,5:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:18,1:20,1:25,1:30, especially when fluorine azoles Acibenzolar and kresoxim-methyl weight ratio are 1:9, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four
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 fluorine azoles Acibenzolar and the former medicine of dimoxystrobin and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to downy mildew of garpe of table 12 fluorine azoles Acibenzolar and dimoxystrobin
Figure BDA00002174125300181
As shown in Table 12, fluorine azoles Acibenzolar and the dimoxystrobin proportioning synergy ratio SR to downy mildew of garpe when 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine azoles Acibenzolar and dimoxystrobin is during at 1 ︰ 30 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the optimum ratio of fluorine azoles Acibenzolar and dimoxystrobin is 20:1,15:1,10:1,5:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:15,1:20,1:25,1:30, especially when fluorine azoles Acibenzolar and dimoxystrobin weight ratio are 1:6, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five
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 fluorine azoles Acibenzolar and the former medicine of orysastrobin and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to rice sheath blight disease of table 13 fluorine azoles Acibenzolar and orysastrobin
Figure BDA00002174125300191
As shown in Table 13, fluorine azoles Acibenzolar and the orysastrobin proportioning synergy ratio SR to rice sheath blight disease when 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine azoles Acibenzolar and orysastrobin is during at 1 ︰ 30 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the optimum ratio of fluorine azoles Acibenzolar and orysastrobin is 20:1,15:1,10:1,6:1,5:1,4:1,3:1,2:1,3:2,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:20,1:30, especially when fluorine azoles Acibenzolar and orysastrobin weight ratio are 1:6, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six
For trying disease: rice blast
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining fluorine azoles Acibenzolar and the former medicine of SSF 126 and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to rice blast of table 14 fluorine azoles Acibenzolar and SSF 126
As shown in Table 14, fluorine azoles Acibenzolar and the SSF 126 proportioning synergy ratio SR to rice blast when 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine azoles Acibenzolar and SSF 126 is during at 1 ︰ 35 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the optimum ratio of fluorine azoles Acibenzolar and SSF 126 is 10:1,5:1,1:1,1:5,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:16,1:17,1:18,1:19,1:20,1:30,1:35, especially when fluorine azoles Acibenzolar and SSF 126 weight ratio are 1:14, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example seven
For trying disease: cucumber downy mildew
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining fluorine azoles Acibenzolar 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 15 fluorine azoles Acibenzolar and azoles bacterium ester
Figure BDA00002174125300211
As shown in Table 15, fluorine azoles Acibenzolar and the azoles bacterium ester proportioning synergy ratio SR to cucumber downy mildew when 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine azoles Acibenzolar and azoles bacterium ester is during at 1 ︰ 25 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the optimum ratio of fluorine azoles Acibenzolar and azoles bacterium ester is 20:1,10:1,5:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, especially when fluorine azoles Acibenzolar and azoles bacterium ester weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test, find: after fluorine azoles Acibenzolar and active component B are composite, the control of the powdery mildew in various crop, downy mildew, epidemic disease, leaf mold, shot hole, scab, peronospora tabacina, anthracnose, spot defoliation, rust, rice blast, banded sclerotial blight, brown spot is had to obvious synergistic effect, synergy ratio SR is all greater than 1.5.
Effect experiment part: test medicine is researched and developed, provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd, contrast medicament 20% fluorine azoles Acibenzolar missible oil (autogamy), 250 grams per liter Fluoxastrobin suspending agents (commercial), 30% kresoxim-methyl wetting powder (commercial), 20% dimoxystrobin wetting powder (autogamy), 20% orysastrobin wetting powder (autogamy), 20% SSF 126 wetting powder (autogamy), 20% azoles bacterium ester suspending agent (autogamy).
Application Example octafluoro azoles Acibenzolar and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation powdery mildew of cucumber disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 5 days, 15 days, 30 days.Result of the test is as follows:
Table 16 fluorine azoles Acibenzolar and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
Figure BDA00002174125300221
Figure BDA00002174125300231
As can be seen from Table 16, after fluorine azoles Acibenzolar and active component B are composite, can effectively prevent and treat powdery mildew of cucumber, through applicant, test and find that fluorine azoles Acibenzolar and active component B also can effectively prevent and treat cucumber downy mildew, epidemic disease after composite, control efficiency is all higher than 96%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine fluorine azoles Acibenzolars and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation tomato blight disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 3 days, 10 days, 20 days.Result of the test is as follows:
Table 17 fluorine azoles Acibenzolar and active component B and the composite control tomato blight test of pesticide effectiveness thereof
Figure BDA00002174125300232
Figure BDA00002174125300241
As can be seen from Table 17, after fluorine azoles Acibenzolar and active component B are composite, can effectively prevent and treat tomato blight, through applicant, test and find that fluorine azoles Acibenzolar and active component B also can effectively prevent and treat cladosporium leaf and fruit mould of tomato after composite, control efficiency is all higher than 96%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten fluorine azoles Acibenzolars and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation rice blast disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 5 days, 15 days, 30 days.Result of the test is as follows:
Table 18 fluorine azoles Acibenzolar and active component B and the composite control rice blast test of pesticide effectiveness thereof
Figure BDA00002174125300242
Figure BDA00002174125300251
As can be seen from Table 18, fluorine azoles Acibenzolar and active component B and composite control rice blast thereof, test and find that fluorine azoles Acibenzolar and active component B also can effectively prevent and treat rice sheath blight disease after composite through applicant, and control efficiency is all higher than 95%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example 11 fluorine azoles Acibenzolars and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Weinan City Baishui County, and investigation alternaria leaf spot of apple disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 3 days, 10 days, 20 days.Result of the test is as follows:
Table 19 fluorine azoles Acibenzolar and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
Figure BDA00002174125300252
Figure BDA00002174125300261
As can be seen from Table 19, after fluorine azoles Acibenzolar and active component B are composite, can effectively prevent and treat alternaria leaf spot of apple, through applicant, test and find that fluorine azoles Acibenzolar and active component B also can effectively prevent and treat apple scab, rust, brown spot after composite, control efficiency is all higher than 95%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten difluoro azoles Acibenzolars and active component B and the composite citrus scab test of pesticide effectiveness of preventing and treating thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation citrus scab disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 10 days, 20 days, 30 days.Result of the test is as follows:
Table 20 fluorine azoles Acibenzolar and active component B and the composite citrus scab test of pesticide effectiveness of preventing and treating thereof
Figure BDA00002174125300262
Figure BDA00002174125300271
As can be seen from Table 20, after fluorine azoles Acibenzolar and active component B are composite, can effectively prevent and treat citrus scab, through applicant, test and find that fluorine azoles Acibenzolar and active component B also can effectively prevent and treat citrus anthracnose after composite, control efficiency is all higher than 95%, the preventive effect that is better than single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten trifluoro azoles Acibenzolars and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation downy mildew of garpe disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 7 days, 14 days, 25 days.Result of the test is as follows:
Table 21 fluorine azoles Acibenzolar and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
Figure BDA00002174125300272
Figure BDA00002174125300281
As can be seen from Table 21, after fluorine azoles Acibenzolar and active component B are composite, can effectively prevent and treat downy mildew of garpe, through applicant, test and find that fluorine azoles Acibenzolar and active component B also can effectively prevent and treat grape powdery mildew after composite, control efficiency is all higher than 96%, the preventive effect that is better than 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, fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester composite rear to the preventive effect of the Common Diseases such as the powdery mildew in various crop, downy mildew, epidemic disease, leaf mold, shot hole, scab, peronospora tabacina, anthracnose, spot defoliation, rust, rice blast, banded sclerotial blight, brown spot all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.

Claims (6)

1. the bactericidal composition of a fluorine-containing azoles Acibenzolar and methoxy acrylic, contain active components A and active component B, it is characterized in that: active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from fluorine azoles Acibenzolar, and active component B is selected from a kind of in Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester.
2. the bactericidal composition of fluorine-containing azoles Acibenzolar according to claim 1 and methoxy acrylic, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1.
3. the bactericidal composition of fluorine-containing azoles Acibenzolar according to claim 2 and methoxy acrylic, is characterized in that:
The weight ratio of fluorine azoles Acibenzolar and Fluoxastrobin or kresoxim-methyl is 1 ︰ 30 ~ 10 ︰ 1;
The weight ratio of fluorine azoles Acibenzolar and dimoxystrobin or orysastrobin is 1 ︰ 30 ~ 20 ︰ 1;
The weight ratio of fluorine azoles Acibenzolar and SSF 126 is 1 ︰ 35 ~ 10 ︰ 1;
The weight ratio of fluorine azoles Acibenzolar and azoles bacterium ester is 1 ︰ 25 ~ 20 ︰ 1.
4. according to the fluorine-containing azoles Acibenzolar described in any one in claims 1 to 3 and the bactericidal composition of methoxy acrylic, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
5. the bactericidal composition of fluorine-containing azoles Acibenzolar according to claim 4 and methoxy acrylic is for preventing and treating the purposes of disease on crops.
6. purposes according to claim 5, is characterized in that, described disease comprises: powdery mildew, downy mildew, epidemic disease, leaf mold, shot hole, scab, peronospora tabacina, anthracnose, spot defoliation, rust, rice blast, banded sclerotial blight, brown spot.
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