CN104012536A - Fungicidal composition containing diflumetorim and methoxyl acrylate - Google Patents
Fungicidal composition containing diflumetorim and methoxyl acrylate Download PDFInfo
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- CN104012536A CN104012536A CN201310064024.9A CN201310064024A CN104012536A CN 104012536 A CN104012536 A CN 104012536A CN 201310064024 A CN201310064024 A CN 201310064024A CN 104012536 A CN104012536 A CN 104012536A
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- fluorine
- mepanipyrim
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- fluorine mepanipyrim
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- 230000000855 fungicidal effect Effects 0.000 title abstract description 4
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 26
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- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
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- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
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- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
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- PQIOSYKVBBWRRI-UHFFFAOYSA-N methylphosphonyl difluoride Chemical group CP(F)(F)=O PQIOSYKVBBWRRI-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a fungicidal composition containing diflumetorim and methoxyl acrylate. Effective active ingredients of the fungicidal composition consist of an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from diflumetorim, the active ingredient B is any compound selected from azoxystrobin, kresoxim-methyl, trifloxystrobin, benzene kresoxim and dimoxystrobin, 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 relatively high activity to various diseases of a variety of crops and has obvious synergism, and the anti-fungal spectrum is enlarged; the composition has the characteristics of small dosage, rainwater washing resistance and obvious synergism.
Description
Technical field
The invention belongs to technical field of pesticide, the application of the bactericidal composition that relates to a kind of fluorine-containing mepanipyrim and methoxy acrylic in crop pest.
Technical background
Any conk phase that fluorine mepanipyrim forms from conidia germination to conidiophore, can suppress immediately growth.Its chemical constitution is different from existing bactericide, and same triazole type, dithiocarbamate, benzimidazole and other classes comprise that antibiotic etc. is without cross resistance, thus its to sensitivity or resistance cause of disease because all there being excellent activity.Suitable crop cereal crop, ornamental plants are as rose, chrysanthemum etc.To crop safety to 51 kinds of roses, 17 kinds of chrysanthemums safety, without poisoning.Controlling object powdery mildew and rust etc.
In the real process of agricultural production, preventing and treating the problem that disease the most easily produces is the generation of disease drug resistance.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor's research, discovery is mutually composite by fluorine mepanipyrim and Fluoxastrobin, kresoxim-methyl, oxime bacterium ester, ZJ0712, dimoxystrobin, there is within the specific limits good synergistic effect, and relevant composite about fluorine mepanipyrim and Fluoxastrobin, kresoxim-methyl, oxime bacterium ester, ZJ0712, dimoxystrobin, there is not yet at present relevant report at home and abroad.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect is good fluorine-containing mepanipyrim and the bactericidal composition of methoxy acrylic.
The present invention is achieved through the following technical solutions:
The bactericidal composition of a kind of fluorine-containing mepanipyrim and methoxy acrylic, contain active components A and active component B, active components A and active component B weight ratio are 1: 80～60: 1, described active components A is selected from fluorine mepanipyrim, and active component B is selected from a kind of in Fluoxastrobin, kresoxim-methyl, oxime bacterium ester, ZJ0712 or dimoxystrobin; The weight ratio that is preferably active components A and active component B is 1 ︰ 60～40 ︰ 1; More preferably the weight ratio of fluorine mepanipyrim and Fluoxastrobin or kresoxim-methyl or oxime bacterium ester or dimoxystrobin is 1: 20～10: 1, and the weight ratio of fluorine mepanipyrim and ZJ0712 is 1: 10～20: 1.
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, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
Described fluorine-containing mepanipyrim and the bactericidal composition of the methoxy acrylic disease for preventing and treating crop; Described crop is 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 is downy mildew, rust, brown spot, anthracnose, fusarium wilt, peronospora tabacina, glume blight, net blotch, scab, rice blast, leaf spot, spot defoliation, banded sclerotial blight.
The amount of application when content of active component depends on independent use in bactericidal composition of the present invention, also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with target disease.Conventionally in composition, the weight percentage of active component is gross weight 1%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Liquids in general preparation contains 1%～60% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
In bactericidal composition of the present invention, at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use.Surface-active contents is 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can be by user before use through dilution or directly use.Its preparation can be prepared by processing method known in those skilled in the art, after being about to active component and mixing with liquid flux or solid carrier, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, disintegrant, defoamer etc.According to different dosage form, in preparation, can also contain antifreeze known in those skilled in the art etc.
When making wetting powder, composition comprises following component and content: active components A 0.5% ~ 60%, active component B0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 0.5% ~ 60%, active component B0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
When making suspending agent, composition comprises following component and content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following component and content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
When making microemulsion, composition comprises following component and content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
When making suspension emulsion, composition comprises following component and content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following component and content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
When making microcapsule suspension-suspending agent, composition comprises following component and content: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspending agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) expanded fungicidal spectrum, multiple diseases has been had to greater activity as downy mildew, rust, brown spot, anthracnose, fusarium wilt, peronospora tabacina, glume blight, net blotch, scab, rice blast, leaf spot, spot defoliation, banded sclerotial blight etc.
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 1～14 wetting powder
Fluorine mepanipyrim, active component B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into wetting powder product of the present invention.Specifically in Table 1.
Table 1 embodiment 1～14 each component and content
Embodiment 15～28 water dispersible granules
Fluorine mepanipyrim, 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 15～28 each component and content
Embodiment 29～42 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 mepanipyrim, 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 29～42 each component and content
Embodiment 43～49 aqueous emulsions
Fluorine mepanipyrim, active component B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase,
Make aqueous emulsion product of the present invention.Specifically in Table 4.
Table 4 embodiment 43～49 each component and content
Embodiment 50～56 microemulsions
Fluorine mepanipyrim, active component B are dissolved in the homogenizer that solvent is housed, by emulsifier, antifreeze (can add and can not add), defoamer, join in the homogenizer that above-mentioned solution is housed, surplus gives strong mixing and homogenize after supplying by deionized water, finally obtain the as clear as crystal microemulsion product of the present invention of outward appearance.Specifically in Table 5.
Table 5 embodiment 50～56 each component and content
Fluoxastrobin, kresoxim-methyl, oxime bacterium ester, ZJ0712, dimoxystrobin in table 1 ~ 5 are exchanged, can make novel formulation.
Embodiment 57～59 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 mepanipyrim, emulsifier, solvent and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically in Table 6.
Table 6 embodiment 57～59 each component and content
Embodiment 60～62 microcapsule suspending agents
By fluorine mepanipyrim, active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, defoamer, surplus is supplied by deionized water, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in Table 7.
Table 7 embodiment 60～62 each component and content
Embodiment 63～65 microcapsule suspensions-suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add fluorine mepanipyrim, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, makes the finely disseminated microcapsule suspension-suspending agent of present composition product.Specifically in Table 8.
Table 8 embodiment 63～65 each component and content
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR < 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR > 1.5 is synergistic effect, on this basis, then carries out field trial.
Test method: after the effective inhibition concentration scope of each medicament is determined in prerun, medicament is established respectively 5 dosage by active constituent content and processed, and establishes clear water contrast.With reference to < < farm-chemical indoor determination test rule bactericide > >, carry out, adopt mycelial growth rate method to measure the virulence of medicament to crop germ.After 72h, by right-angled intersection method, measure colony diameter, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value to (x), with method of least squares, tries to achieve virulence regression equation (y=a+bx), and calculates thus the EC of every kind of medicament
50value.According to Wadley method, calculate the different proportioning synergy ratio (SR) of two medicaments, SR < 0.5 is antagonism simultaneously, and 0.5≤SR≤1.5 are summation action, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and active component B shared ratio in combination;
A is fluorine mepanipyrim;
B is selected from a kind of in Fluoxastrobin, kresoxim-methyl, oxime bacterium ester, ZJ0712, dimoxystrobin.
Application Example two:
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 the two different proportioning mixture of fluorine mepanipyrim and Fluoxastrobin through preliminary experiment.
Toxicity test result
Table 9 fluorine mepanipyrim and the azoxystrobin compound toxicity test analysis of results table to grape powdery mildew
As shown in Table 9, the proportioning of fluorine mepanipyrim and azoxystrobin compound control grape powdery mildew is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, the proportioning of fluorine mepanipyrim and Fluoxastrobin was at 1: 20～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Through applicant, test and find that the proportioning of fluorine mepanipyrim 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, when wherein fluorine mepanipyrim and Fluoxastrobin weight ratio are 2:5, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For trying disease: downy mildew of garpe, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and kresoxim-methyl and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to downy mildew of garpe of table 10 fluorine mepanipyrim and kresoxim-methyl
As shown in Table 10, the composite proportioning of preventing and treating downy mildew of garpe of fluorine mepanipyrim and kresoxim-methyl is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, the proportioning of fluorine mepanipyrim and kresoxim-methyl was at 1: 20～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Through applicant, test and find that the proportioning of fluorine mepanipyrim and kresoxim-methyl 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 fluorine mepanipyrim and kresoxim-methyl weight ratio are 1:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For examination disease: cucumber downy mildew, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining fluorine mepanipyrim and the former medicine of oxime bacterium ester and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to cucumber downy mildew of table 11 fluorine mepanipyrim and oxime bacterium ester
As shown in Table 11, the proportioning of fluorine mepanipyrim and the composite control cucumber downy mildew of oxime bacterium ester is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, the proportioning of fluorine mepanipyrim and oxime bacterium ester was at 1: 20～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the proportioning of fluorine mepanipyrim and oxime 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, when wherein fluorine mepanipyrim and oxime bacterium ester weight ratio are 1:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For trying disease: powdery mildew of cucumber, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and ZJ0712 and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to powdery mildew of cucumber of table 12 fluorine mepanipyrim and ZJ0712
As shown in Table 12, the composite proportioning of preventing and treating powdery mildew of cucumber of fluorine mepanipyrim and ZJ0712 is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, the proportioning of fluorine mepanipyrim and ZJ0712 was at 1: 10～20: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Through applicant, test and find that the proportioning of fluorine mepanipyrim and ZJ0712 is 20 ︰ 1,15 ︰ 1,14 ︰ 1,13 ︰ 1,12 ︰ 1,11 ︰ 1,10 ︰ 1,9 ︰ 1,8 ︰ 1,7 ︰ 1,6 ︰ 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, when wherein fluorine mepanipyrim and ZJ0712 weight ratio are 5:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For trying disease: rice sheath blight disease, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and dimoxystrobin and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice sheath blight disease of table 13 fluorine mepanipyrim and dimoxystrobin
As shown in Table 13, the composite proportioning of preventing and treating rice sheath blight disease of fluorine mepanipyrim and dimoxystrobin is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, the proportioning of fluorine mepanipyrim and dimoxystrobin was at 1: 20～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the proportioning of fluorine mepanipyrim 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, when wherein fluorine mepanipyrim and dimoxystrobin weight ratio are 1:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test, find: after fluorine mepanipyrim and active component B are composite, the control of the downy mildew in various crop, rust, brown spot, anthracnose, fusarium wilt, peronospora tabacina, glume blight, net blotch, scab, rice blast, leaf spot, spot defoliation, banded sclerotial blight is had to obvious synergistic effect, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed, provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd, contrast medicament 10% fluorine mepanipyrim missible oil (autogamy), 25% Fluoxastrobin suspending agent (commercial), 10% kresoxim-methyl suspending agent (commercial), 25% oxime bacterium emulsifiable concentrate (commercial), 10% ZJ0712 suspending agent (commercial), 10% dimoxystrobin suspending agent (autogamy).
Application Example seven fluorine mepanipyrims and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This experimental establishment, in Jingyang County, Shaanxi Province, is investigated the powdery mildew of cucumber state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 14 fluorine mepanipyrim and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 14, fluorine mepanipyrim and active component B and composite after can effectively prevent and treat powdery mildew of cucumber, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.Scab of cucumber, downy mildew are also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example octafluoro mepanipyrim and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
This test arrangement, at Shaanxi Province's Weinan City, is investigated the wheat rust state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 3 days, 7 days, 15 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 15 fluorine mepanipyrim and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 15, fluorine mepanipyrim and active component B and composite after can effectively prevent and treat wheat rust, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, in test, target crop is had no adverse effects in scope of medication.Wheat powdery mildew, banded sclerotial blight are had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example nine fluorine mepanipyrims and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Hanzhong City, is investigated the rice blast state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 16 fluorine mepanipyrim and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 16, fluorine mepanipyrim and active component B and composite rear efficiency control rice blast thereof, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.Rice sheath blight disease is also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example ten fluorine mepanipyrims and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This test arrangement, at Shaanxi Province's Weinan City, is investigated the downy mildew of garpe state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 17 fluorine mepanipyrim and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 17, fluorine mepanipyrim and active component B and composite after can effectively prevent and treat downy mildew of garpe, 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.Grape powdery mildew, anthracnose are also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example 11 fluorine mepanipyrims and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement, in Xianyang, Shanxi province city, is investigated the pear scab state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 18 fluorine mepanipyrim and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 18, fluorine mepanipyrim and active component B and composite after can effectively prevent and treat pear scab, 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 difluoro mepanipyrims and active component B and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Nanning City, Guangxi province, is investigated the sigatoka state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 19 fluorine mepanipyrim and active component B and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 19, fluorine mepanipyrim and active component B and composite after can effectively prevent and treat sigatoka, 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.Banana freckle, anthracnose are also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
After through different local throughout the country tests, draw, fluorine mepanipyrim and Fluoxastrobin, kresoxim-methyl, oxime bacterium ester, ZJ0712, dimoxystrobin composite rear to the preventive effect of the Common Diseases such as the downy mildew in various crop, rust, brown spot, anthracnose, fusarium wilt, peronospora tabacina, glume blight, net blotch, scab, rice blast, leaf spot, spot defoliation, banded sclerotial blight all 95% with on excellent, in single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the bactericidal composition of a fluorine-containing mepanipyrim and methoxy acrylic, effective active composition is active components A and active component B, it is characterized in that: the weight ratio of active components A and active component B is 1: 80～60: 1, described active components A is selected from fluorine mepanipyrim, and active component B is selected from a kind of in Fluoxastrobin, kresoxim-methyl, oxime bacterium ester, ZJ0712 or dimoxystrobin.
2. the bactericidal composition of fluorine-containing mepanipyrim 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 mepanipyrim according to claim 2 and methoxy acrylic, is characterized in that: the weight ratio of fluorine mepanipyrim and Fluoxastrobin or kresoxim-methyl or oxime bacterium ester or dimoxystrobin is 1: 20～10: 1; The weight ratio of fluorine mepanipyrim and ZJ0712 is 1: 10～20: 1.
4. according to the fluorine-containing mepanipyrim described in any one in claim 1～3 and the bactericidal composition of methoxy acrylic, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent or microcapsule suspension-suspending agent.
5. the bactericidal composition of fluorine-containing mepanipyrim according to claim 4 and methoxy acrylic is for preventing and treating the purposes of crop pest.
6. purposes according to claim 5, is characterized in that: described disease is downy mildew, rust, brown spot, anthracnose, fusarium wilt, peronospora tabacina, glume blight, net blotch, scab, rice blast, leaf spot, spot defoliation or banded sclerotial blight.
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| CN101637157A (en) * | 2008-07-30 | 2010-02-03 | 中国中化集团公司 | Fungicide composition |
| CN101953352A (en) * | 2009-07-20 | 2011-01-26 | 中国中化股份有限公司 | Antifungal composition containing pyraclostrobin and pyrimidine compounds |
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| CN101637157A (en) * | 2008-07-30 | 2010-02-03 | 中国中化集团公司 | Fungicide composition |
| CN101953352A (en) * | 2009-07-20 | 2011-01-26 | 中国中化股份有限公司 | Antifungal composition containing pyraclostrobin and pyrimidine compounds |
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