CN104886077A - Sterilization composition containing fluoro-substituted benzothiadiazole derivatives and methoxy acrylic ester - Google Patents
Sterilization composition containing fluoro-substituted benzothiadiazole derivatives and methoxy acrylic ester Download PDFInfo
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Abstract
The present invention discloses a sterilization composition containing fluoro-substituted benzothiadiazole derivatives and methoxy acrylic ester, wherein the sterilization composition contains active ingredients A and B, the active ingredient A is selected from fluoro-substituted benzothiadiazole derivatives, the active ingredient B is any one compound selected from azoxystrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, metominostrobin and pyraoxystrobin, and a weight ratio of the active ingredient A to the active ingredient B is 1:80-60:1. The composition of the present invention provides synergy effects for a plurality of plant diseases harmful for agricultural production, and has characteristics of pesticide consumption reduction, reduction of residual pesticide on crops, environmental pollution reduction, safety to human and animals, good environment compatibility, and plant disease drug resistance generation resistance.
Description
The application is divisional application, original application is the patent application " bactericidal composition of a kind of fluorine-containing azoles Acibenzolar and methoxy acrylic " of Shaanxi Meibang Pesticide Co., Ltd., the application number of original application is ︰ 201210355378.4, and original application day is 2012.09.21.
Technical field
The invention belongs to technical field of pesticide, relate to the application of bactericidal composition on corps diseases of a kind of fluorine-containing azoles Acibenzolar and methoxy acrylic.
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 the resistance infecting 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.
But 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 sterilization 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 fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester is composite after can produce good synergistic effect, and not yet open about the relevant report that fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester are composite.
Summary of the invention
The object of the invention is to propose a kind of bactericidal composition with synergistic function, use cost is low, preventive effect is good fluorine-containing azoles Acibenzolar and methoxy acrylic.
The bactericidal composition of the fluorine-containing azoles Acibenzolar that the present invention proposes and methoxy acrylic contains 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 the one 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; The weight ratio being more preferably 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 most preferably being 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 bactericidal composition of the fluorine-containing azoles Acibenzolar that the present invention proposes and methoxy acrylic is 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, flower crop, medicinal crop, 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.In usual composition, the weight percentage of active component is 0.5% ~ 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% ~ 70%, 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 5% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, 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 into acceptable formulation in any sterilization on demand, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Composition comprises following constituent content when making wetting powder: active components A 1% ~ 60%, active component B 1% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 1% ~ 60%, active component B 1% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following constituent content when making suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following constituent content when making suspension emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 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%.
Composition comprises following constituent content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water supply surplus.
Composition comprises following constituent content when making microemulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water supply surplus.
Composition comprises following constituent content when making microcapsule suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 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%.
Composition comprises following constituent content when making microcapsule suspension-suspendinagent agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 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:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion 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:
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) fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester composite after, there is obvious synergy and lasting effect; (2) all greater activity is had to the disease on 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; (3) decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate 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, mixes again after airslide disintegrating mill is pulverized, wetting powder product of the present invention can be obtained, specifically in table 1.
The each component of table 1 embodiment 1 ~ 16 and weight portion
Embodiment 17 ~ 32 water dispersible granules
Fluorine azoles Acibenzolar, 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 2.
The each component of table 2 embodiment 17 ~ 32 and weight portion
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 fluorine azoles Acibenzolar, 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 3.
The each component of table 3 embodiment 33 ~ 48 and weight portion
Embodiment 49 ~ 56 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 active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained active component B suspending agent, then by fluorine azoles Acibenzolar, solvent, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, surplus deionized water is supplied, obtained suspension emulsion product of the present invention, specifically in table 4,5.
The each component of table 4 embodiment 49 ~ 52 and weight portion
The each component of table 5 embodiment 53 ~ 56 and weight portion
Embodiment 57 ~ 66 aqueous emulsion
Fluorine azoles Acibenzolar, 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, surplus deionized water is supplied; Aqueous emulsion product of the present invention can be obtained, specifically in table 6.
The each component of table 6 embodiment 57 ~ 66 and weight portion
By Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester interchange in table 1 ~ 6, novel formulation can be obtained.
Embodiment 67 ~ 69 microemulsion
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 to make it to reach balance, after filtration, surplus deionized water is supplied; Microemulsion product of the present invention can be obtained, specifically in table 7.
The each component of table 7 embodiment 67 ~ 69 and weight portion
Embodiment 70,71 microcapsule suspending agent
By fluorine azoles Acibenzolar, 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, 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 8.
Table 8 embodiment 70,71 each component and weight portion
Embodiment 72,73 microcapsule suspension-suspendinagent agent
By fluorine azoles Acibenzolar, 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 active component B, 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, make the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition, specifically in table 9.
Table 9 embodiment 72,73 each component and weight portion
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First pass through Toxicity Determination, 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 carry 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), liquor strength (μ g/mL) converts logarithm value (x) to, try to achieve virulence regression equation (y=a+bx) with method of least squares, and calculate the EC of often kind of medicament thus
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 fluorine azoles Acibenzolar;
B is selected from the one in Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, azoles bacterium ester.
Application Example two:
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 fluorine azoles Acibenzolar and the former medicine of Fluoxastrobin and the two different ratio mixture.
Toxicity test result
Table 10 fluorine azoles Acibenzolar and azoxystrobin compound are to the toxicity test analysis of results table of powdery mildew of cucumber
As shown in Table 10, fluorine azoles Acibenzolar and Fluoxastrobin proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of powdery mildew of cucumber, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of fluorine azoles Acibenzolar and Fluoxastrobin is at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the optimum ratio finding 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 examination disease: grape powdery mildew
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine azoles Acibenzolar and the former medicine of kresoxim-methyl and the two different ratio mixture.
Table 11 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to grape powdery mildew of kresoxim-methyl
As shown in Table 11, fluorine azoles Acibenzolar and kresoxim-methyl proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of grape powdery mildew, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of fluorine azoles Acibenzolar and kresoxim-methyl is at 1 ︰ 30 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the optimum ratio finding 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 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 fluorine azoles Acibenzolar and the former medicine of dimoxystrobin and the two different ratio mixture.
Table 12 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to downy mildew of garpe of dimoxystrobin
As shown in Table 12, fluorine azoles Acibenzolar and dimoxystrobin proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of downy mildew of garpe, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of fluorine azoles Acibenzolar and dimoxystrobin is at 1 ︰ 30 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the optimum ratio finding 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 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 fluorine azoles Acibenzolar and the former medicine of orysastrobin and the two different ratio mixture.
Table 13 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to rice sheath blight disease of orysastrobin
As shown in Table 13, fluorine azoles Acibenzolar and orysastrobin proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of rice sheath blight disease, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of fluorine azoles Acibenzolar and orysastrobin is at 1 ︰ 30 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the optimum ratio finding 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 examination disease: rice blast
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine azoles Acibenzolar and the former medicine of SSF 126 and the two different ratio mixture.
Table 14 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to rice blast of SSF 126
As shown in Table 14, fluorine azoles Acibenzolar and SSF 126 proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of rice blast, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of fluorine azoles Acibenzolar and SSF 126 is at 1 ︰ 35 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the optimum ratio finding 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 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 fluorine azoles Acibenzolar and the former medicine of azoles bacterium ester and the two different ratio mixture.
Table 15 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to cucumber downy mildew of azoles bacterium ester
As shown in Table 15, fluorine azoles Acibenzolar and azoles bacterium ester proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of cucumber downy mildew, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of fluorine azoles Acibenzolar and azoles bacterium ester is at 1 ︰ 25 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the optimum ratio finding 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: fluorine azoles Acibenzolar and active component B composite after have obvious synergistic effect to 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, synergy ratio SR is all greater than 1.5.
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided, 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 compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
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, 5 days, 15 days, 30 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 16 fluorine azoles Acibenzolar and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 16, fluorine azoles Acibenzolar and active component B composite after effectively can prevent and treat powdery mildew of cucumber, through applicant test find fluorine azoles Acibenzolar and active component B composite after also can effectively prevent and treat cucumber downy mildew, epidemic disease, control efficiency is all higher than 96%, be 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 nine fluorine azoles Acibenzolar 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, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.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
As can be seen from Table 17, fluorine azoles Acibenzolar and active component B composite after effectively can prevent and treat tomato blight, through applicant test find fluorine azoles Acibenzolar and active component B composite after also effectively can prevent and treat cladosporium leaf and fruit mould of tomato, control efficiency is all higher than 96%, be 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 fluorine azoles Acibenzolar 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, 5 days, 15 days, 30 days investigation disease indexes after dispenser also calculate preventive effect.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
As can be seen from Table 18, fluorine azoles Acibenzolar and active component B and composite control rice blast thereof, through applicant test find fluorine azoles Acibenzolar and active component B composite after also can the effective water prevention rice sheath blight, control efficiency is all higher than 95%, be 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 11 fluorine azoles Acibenzolar 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, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.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
As can be seen from Table 19, fluorine azoles Acibenzolar and active component B composite after effectively can prevent and treat alternaria leaf spot of apple, through applicant test find fluorine azoles Acibenzolar and active component B composite after also can effectively prevent and treat apple scab, rust, brown spot, control efficiency is all higher than 95%, be 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 difluoro azoles Acibenzolar and active component B and compositely prevent and treat the citrus scab test of pesticide effectiveness
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, 10 days, 20 days, 30 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 20 fluorine azoles Acibenzolar and active component B and compositely prevent and treat the citrus scab test of pesticide effectiveness
As can be seen from Table 20, fluorine azoles Acibenzolar and active component B composite after effectively can prevent and treat citrus scab, through applicant test find fluorine azoles Acibenzolar and active component B composite after also effectively can prevent and treat citrus anthracnose, control efficiency is all higher than 95%, be 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 trifluoro azoles Acibenzolar and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
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, 7 days, 14 days, 25 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 21 fluorine azoles Acibenzolar and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
As can be seen from Table 21, fluorine azoles Acibenzolar and active component B composite after effectively can prevent and treat downy mildew of garpe, through applicant test find fluorine azoles Acibenzolar and active component B composite after also effectively can prevent and treat grape powdery mildew, control efficiency is all higher than 96%, be 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, fluorine azoles Acibenzolar and Fluoxastrobin, kresoxim-methyl, dimoxystrobin, orysastrobin, SSF 126, the composite rear preventive effect to 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 spots of azoles bacterium ester are 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, containing 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 the one in 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 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. the bactericidal composition of fluorine-containing azoles Acibenzolar according to any one of claim 1 to 3 and methoxy acrylic, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent 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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| CN101708001A (en) * | 2009-12-15 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Sterilizing composition containing active ester |
| CN101708003A (en) * | 2009-12-23 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Sterilizing composition containing active ester |
| CN101730472A (en) * | 2007-06-14 | 2010-06-09 | 先正达参股股份有限公司 | Pesticidal combinations comprising insecticides and plant activators |
| CN101731237A (en) * | 2009-12-15 | 2010-06-16 | 深圳诺普信农化股份有限公司 | Acibenzolar-containing sterilizing composition |
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| CN1202097C (en) * | 2003-05-16 | 2005-05-18 | 华东理工大学 | Diazosulfide compound and application in plant cell thereof |
| CN100486435C (en) * | 2006-06-20 | 2009-05-13 | 华东理工大学 | Application of benzothidiazole derivatives as activator for plant disease-resistant agent |
| CN101836640B (en) * | 2010-03-04 | 2014-06-11 | 中国农业科学院蔬菜花卉研究所 | Application of elicitor in controlling soil-borne diseases of garden crops |
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| CN101730472A (en) * | 2007-06-14 | 2010-06-09 | 先正达参股股份有限公司 | Pesticidal combinations comprising insecticides and plant activators |
| CN101708001A (en) * | 2009-12-15 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Sterilizing composition containing active ester |
| CN101731237A (en) * | 2009-12-15 | 2010-06-16 | 深圳诺普信农化股份有限公司 | Acibenzolar-containing sterilizing composition |
| CN101708003A (en) * | 2009-12-23 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Sterilizing composition containing active ester |
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