CN103621525B - High-efficiency bactericidal composition containing fenarimol - Google Patents
High-efficiency bactericidal composition containing fenarimol Download PDFInfo
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- CN103621525B CN103621525B CN201210298649.7A CN201210298649A CN103621525B CN 103621525 B CN103621525 B CN 103621525B CN 201210298649 A CN201210298649 A CN 201210298649A CN 103621525 B CN103621525 B CN 103621525B
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Abstract
The invention discloses a high-efficiency bactericidal composition containing fenarimol. The bactericidal composition comprises an active component A and an active component B, wherein the active component A is fenarimol, the active component B is any compound selected from the group consisting of kresoxim methyl, pyraclostrobin, ZJ0712, trifloxystrobin, picoxystrobin and fluoxastrobin, and a weight ratio of the active component A to the active component B is 1: 80 to 60: 1. The composition provided by the invention has high activity on a plurality of diseases of a variety of crops, exerts a substantial synergistic effect, broadens a bactericidal spectrum and has the characteristics of a small dosage, resistance to rain wash and substantial synergism.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of efficient bactericidal composite in crop pest containing Fenarimol.
Technical background
Fenarimol (fenarimol) chemical name: 2,4'-bis-chloro-2-(pyrimidine radicals-5) benzohydrol, molecular formula: C
17h
12c
12nO, for the broad-spectrum germicide with prevention, therapeutic action of foliage spray.By disturbing the formation of pathogen sterol and ergosterol, thus affect normal development.This medicine can not suppress the sprouting of pathogen spore, but can suppress growth, the growth of pathogen mycelia, causes and can not infect plant tissue.
In the real process of agricultural production, the problem that controlling disease the most easily produces is the generation of disease drug resistance.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect clearly, very high composite just less of synergy ratio.Study through inventor, find Fenarimol and kresoxim-methyl, pyraclostrobin, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin mutually composite, there is good synergistic effect within the specific limits, and about Fenarimol and kresoxim-methyl, pyraclostrobin, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin relevant composite, there is not yet relevant report at home and abroad at present.
Summary of the invention
The object of the invention is to propose a kind of to there is the efficient bactericidal composite containing Fenarimol that synergistic function, use cost are low, preventive effect is good.
The present invention is achieved through the following technical solutions:
A kind of efficient bactericidal composite containing Fenarimol, containing active components A and active component B, active components A and active component B weight ratio are 1: 80 ~ 60: 1, described active components A is selected from Fenarimol, and active component B is selected from the one in kresoxim-methyl, pyraclostrobin, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin; The weight ratio being preferably active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1; Being more preferably the weight ratio of any one in Fenarimol and kresoxim-methyl, pyraclostrobin, oxime bacterium ester, fluoxastrobin is 1: 20 ~ 10: 1, the weight ratio of Fenarimol and ZJ0712 is 1: 10 ~ 20: 1, and the weight ratio of Fenarimol and ZEN 90160 is 1: 30 ~ 10: 1; Most preferably being the weight ratio of any one in Fenarimol and kresoxim-methyl, pyraclostrobin, oxime bacterium ester, fluoxastrobin is 1: 9 ~ 4: 1, the weight ratio of Fenarimol and ZJ0712 is 1: 4 ~ 10: 1, and the weight ratio of Fenarimol and ZEN 90160 is 1: 19 ~ 4: 1.
The described efficient bactericidal composite containing Fenarimol, composition makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
The described efficient bactericidal composite containing Fenarimol is for preventing and treating the disease of crop; Described crop comprises cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described disease comprises powdery mildew, spike rot, scab, leaf spot, glume blight, rust, downy mildew, epidemic disease, peronospora tabacina, net blotch, ring spot, moire disease, rice blast, anthracnose, banded sclerotial blight, gray mold, brown spot, anthrachose of grape.
In bactericidal composition of the present invention, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target disease.In usual composition, the weight percentage of active component is 1% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 60%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 2% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active component, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, antifreeze, disintegrant, defoamer etc.According to different dosage form, can also containing antifreeze known in those skilled in the art etc. in preparation.
Composition comprises following component and content when making wetting powder: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following component and content when making suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) pesticide usage amount reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) fungicidal spectrum is expanded, to multiple diseases as powdery mildew, spike rot, scab, leaf spot, glume blight, rust, downy mildew, epidemic disease, peronospora tabacina, net blotch, ring spot, moire disease, rice blast, anthracnose, banded sclerotial blight, gray mold, brown spot, anthrachose of grape have greater activity.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1 ~ 16 wetting powder
By Fenarimol, active component B, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically in table 1,2,3.
The each component of table 1 embodiment 1 ~ 6 and content
The each component of table 2 embodiment 7 ~ 11 and content
The each component of table 3 embodiment 12 ~ 16 and content
Embodiment 17 ~ 32 water dispersible granules
Fenarimol, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, then add other auxiliary agents such as binding agent (can add and can not add), obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, water dispersible granules product of the present invention can being obtained, specifically in table 4,5,6.
The each component of table 4 embodiment 17 ~ 22 and content
The each component of table 5 embodiment 23 ~ 27 and content
The each component of table 6 embodiment 28 ~ 32 and content
Embodiment 33 ~ 48 suspending agent
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), mix through high speed shear, add Fenarimol, active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, surplus deionized water is supplied, and can obtain suspending agent product of the present invention, specifically in table 7,8,9.
The each component of table 7 embodiment 33 ~ 38 and content
The each component of table 8 embodiment 39 ~ 43 and content
The each component of table 9 embodiment 44 ~ 48 and content
Embodiment 49 ~ 64 aqueous emulsion
Fenarimol, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, obtained aqueous emulsion product of the present invention.Specifically in table 10,11,12.
The each component of table 10 embodiment 49 ~ 54 and content
The each component of table 11 embodiment 55 ~ 59 and content
The each component of table 12 embodiment 60 ~ 64 and content
Kresoxim-methyl, pyraclostrobin, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin in table 1 ~ 12 are exchanged, can novel formulation be obtained.
Embodiment 65 ~ 67 microemulsion
Fenarimol, active component B are dissolved in and are equipped with in the homogenizer of solvent, by emulsifier, antifreeze (can add and can not add), defoamer, join above-mentioned solution is housed homogenizer in, surplus deionized water gives strong mixing and homogenize after supplying, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 13.
The each component of table 13 embodiment 65 ~ 67 and content
Embodiment 68 ~ 70 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add Fenarimol, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained Fenarimol suspending agent, then by active component B, emulsifier, solvent and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 14.
The each component of table 14 embodiment 68 ~ 70 and content
Embodiment 71 ~ 73 microcapsule suspending agent
By Fenarimol, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in table 15.
The each component of table 15 embodiment 71 ~ 73 and content
Embodiment 74 ~ 76 microcapsule suspension-suspendinagent agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add Fenarimol, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 16.
The each component of table 16 embodiment 74 ~ 76 and content
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR < 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR > 1.5 is synergistic effect, on this basis, then carries out field trial.
Test method: determine that after the effective inhibition concentration scope of each medicament, medicament establishes 5 dosage process respectively by active constituent content through prerun, if clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt mycelial growth rate method to measure medicament to the virulence of crop germ.Measure colony diameter by right-angled intersection method after 72h, calculate each process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value to (x), tries to achieve virulence regression equation (y=a+bx), and calculate the EC of often kind of medicament thus with method of least squares
50value.Calculate two medicament different ratio synergies ratio (SR) according to Wadley method, SR < 0.5 is antagonism, and 0.5≤SR≤1.5 are summation action simultaneously, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and the ratio of active component B shared by combination;
A is Fenarimol;
B is selected from the one in kresoxim-methyl, pyraclostrobin, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin.
Application Example two:
For examination disease: pear scab, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of both preliminary experiment determination Fenarimol and kresoxim-methyl different ratio mixture.
Toxicity test result
Table 17 Fenarimol and the composite toxicity test analysis of results table to pear scab of kresoxim-methyl
As shown in Table 17, the proportioning of Fenarimol and the composite control pear scab of kresoxim-methyl is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of Fenarimol and kresoxim-methyl is 1: 20 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the proportioning finding Fenarimol 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 Fenarimol and kresoxim-methyl weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: powdery mildew of cucumber, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of pyraclostrobin and the two different ratio mixture
Toxicity test result
Table 18 Fenarimol and the composite toxicity test analysis of results table to powdery mildew of cucumber of pyraclostrobin
As shown in Table 18, Fenarimol and the composite proportioning of preventing and treating powdery mildew of cucumber of pyraclostrobin are when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of Fenarimol and pyraclostrobin is at 1 ︰ 20 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Testing through applicant the proportioning finding Fenarimol and pyraclostrobin is 10 ︰ 1,5 ︰ 1,4 ︰ 1,3 ︰ 1,2 ︰ 1,1 ︰ 1,1 ︰ 2,1 ︰ 3,1 ︰ 4,1 ︰ 5,1 ︰ 6,1 ︰ 7,1 ︰ 8,1 ︰ 9,1 ︰ 10,1 ︰ 11,1 ︰ 12,1 ︰ 13,1 ︰ 14,1 ︰ 15,1 ︰ 20, when wherein Fenarimol and pyraclostrobin weight ratio are 1:3, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For examination disease: rice blast, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of ZJ0712 and the two different ratio mixture.
Toxicity test result
Table 19 Fenarimol and the composite toxicity test analysis of results table to rice blast of ZJ0712
As shown in Table 19, the proportioning of Fenarimol and the composite control rice blast of ZJ0712 is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of Fenarimol and ZJ0712 is 1: 10 ~ 20: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding Fenarimol and ZJ0712 is 20 ︰ 1,15 ︰ 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 Fenarimol and ZJ0712 weight ratio are 3:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For examination disease: downy mildew of garpe, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of oxime bacterium ester and the two different ratio mixture.
Toxicity test result
Table 20 Fenarimol and the composite toxicity test analysis of results table to downy mildew of garpe of oxime bacterium ester
As shown in Table 20, Fenarimol and the composite proportioning of preventing and treating downy mildew of garpe of oxime bacterium ester are when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of Fenarimol and oxime bacterium ester is 1: 20 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Testing through applicant the proportioning finding Fenarimol 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 Fenarimol and oxime bacterium ester weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For examination disease: wheat rust, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of ZEN 90160 and the two different ratio mixture.
Table 21 Fenarimol and the composite toxicity test analysis of results table to wheat rust of ZEN 90160
As shown in Table 21, Fenarimol and the composite proportioning of preventing and treating wheat rust of ZEN 90160 are when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of Fenarimol and ZEN 90160 is in 1:30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the proportioning finding Fenarimol and ZEN 90160 is 10 ︰ 1,5 ︰ 1,4 ︰ 1,3 ︰ 1,2 ︰ 1,1 ︰ 1,1 ︰ 2,1 ︰ 3,1 ︰ 4,1 ︰ 5,1 ︰ 6,1 ︰ 7,1 ︰ 8,1 ︰ 9,1 ︰ 10,1 ︰ 11,1 ︰ 12,1 ︰ 13,1 ︰ 14,1 ︰ 15,1 ︰ 20,1 ︰ 25,1 ︰ 30, when wherein Fenarimol and ZEN 90160 weight ratio are 1:6, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example seven:
For examination disease: tomato blight, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Fenarimol and the former medicine of fluoxastrobin and the two different ratio mixture.
Table 22 Fenarimol and the composite toxicity test analysis of results table to tomato blight of fluoxastrobin
As shown in Table 22, the proportioning of Fenarimol and the composite control tomato blight of fluoxastrobin is when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, the proportioning of Fenarimol and fluoxastrobin is in 1:20 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Testing through applicant the proportioning finding Fenarimol and fluoxastrobin is 10 ︰ 1,5 ︰ 1,4 ︰ 1,3 ︰ 1,2 ︰ 1,1 ︰ 1,1 ︰ 2,1 ︰ 3,1 ︰ 4,1 ︰ 5,1 ︰ 6,1 ︰ 7,1 ︰ 8,1 ︰ 9,1 ︰ 10,1 ︰ 11,1 ︰ 12,1 ︰ 13,1 ︰ 14,1 ︰ 15,1 ︰ 20, when wherein Fenarimol and fluoxastrobin weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test find: Fenarimol and active component B composite after have obvious synergistic effect to the control of the powdery mildew in various crop, spike rot, scab, leaf spot, glume blight, rust, downy mildew, epidemic disease, peronospora tabacina, net blotch, ring spot, moire disease, rice blast, anthracnose, banded sclerotial blight, gray mold, brown spot, anthrachose of grape, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided, contrast medicament 6% Fenarimol wetting powder (commercial), 10% kresoxim-methyl suspending agent (commercial), 25% pyraclostrobin missible oil (commercial), 10% ZJ0712 suspending agent (commercial), 25% oxime bacterium emulsifiable concentrate (commercial), 20% ZEN 90160 suspending agent (autogamy), 20% fluoxastrobin suspending agent (autogamy).
Application Example eight Fenarimol and active component B and the composite control potato late blight test of pesticide effectiveness thereof
This experimental establishment is at Shaanxi Province's Weinan City, and the investigation potato late blight state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 23 Fenarimol and active component B and the composite control potato late blight test of pesticide effectiveness thereof
As can be seen from Table 23, Fenarimol and active component B and composite after effectively can prevent and treat potato late blight, 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 nine Fenarimol and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
This test arrangement is in Jingyang County, Shaanxi Province, and the investigation powdery mildew of cucumber state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 3 days, 7 days, 15 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 24 Fenarimol and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 24, Fenarimol and active component B and composite after effectively can prevent and treat powdery mildew of cucumber, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, also there is good preventive effect to Cucumber Target Leaf Spot, anthracnose simultaneously, control efficiency is all better than the preventive effect of single dose, has no adverse effects in test scope of medication to target crop.
Application Example ten Fenarimol and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, and the investigation pear scab state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 25 Fenarimol and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 25, Fenarimol and active component B and composite rear efficiency thereof prevent and treat pear scab, and control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten monochloro-benzene ancymidol and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and the investigation rice blast state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 26 Fenarimol and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 26, Fenarimol and active component B and composite after effectively can prevent and treat rice blast, also have good preventive effect to rice sheath blight disease, control efficiency is all better than the preventive effect of single dose simultaneously, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten dichloro-benzenes ancymidol and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
This experimental establishment is at Shaanxi Province's Weinan City, and the investigation downy mildew of garpe state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 27 Fenarimol and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
As can be seen from Table 27, Fenarimol and active component B and composite after effectively can prevent and treat downy mildew of garpe, also have good preventive effect to anthracnose of grape, gray mold, control efficiency is all better than the preventive effect of single dose simultaneously, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten trichloro-benzenes ancymidol and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City, and investigation wheat rust before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 28 Fenarimol and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
As can be seen from Table 28, Fenarimol and active component B and composite after effectively can prevent and treat wheat rust, have good preventive effect to wheat net blotch, glume blight, moire disease, control efficiency is all better than the preventive effect of single dose simultaneously, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten tetrachlorobenzene ancymidol and active component B and compositely prevent and treat the leaf spot of peanut test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City, and the investigation leaf spot of peanut state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 29 Fenarimol and active component B and compositely prevent and treat the leaf spot of peanut test of pesticide effectiveness
As can be seen from Table 29, Fenarimol and active component B and composite after effectively can prevent and treat leaf spot of peanut, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, Fenarimol and kresoxim-methyl, pyraclostrobin, ZJ0712, oxime bacterium ester, ZEN 90160, the composite rear preventive effect to Common Diseases such as the powdery mildew in various crop, spike rot, scab, leaf spot, glume blight, rust, downy mildew, epidemic disease, peronospora tabacina, net blotch, ring spot, moire disease, rice blast, anthracnose, banded sclerotial blight, gray mold, brown spot, anthrachoses of grape of fluoxastrobin all 95% with on excellent, in single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the efficient bactericidal composite containing Fenarimol, it is characterized in that: active ingredient is active components A and active component B, described active components A is Fenarimol, active component B is selected from the one in kresoxim-methyl, pyraclostrobin, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin, the weight ratio of Fenarimol and pyraclostrobin is 10:1 ~ 1:1 or 1:3 ~ 1:4 or 1:9 ~ 1:80, and Fenarimol and kresoxim-methyl, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin weight ratio are 1: 80 ~ 60: 1.
2. the efficient bactericidal composite containing Fenarimol according to claim 1, is characterized in that: Fenarimol and kresoxim-methyl, ZJ0712, oxime bacterium ester, ZEN 90160, fluoxastrobin weight ratio are 1: 80 ~ 60: 1.
3. the efficient bactericidal composite containing Fenarimol according to claim 2, is characterized in that:
In Fenarimol and kresoxim-methyl, oxime bacterium ester, fluoxastrobin, the weight ratio of any one is 1: 20 ~ 10: 1;
The weight ratio of Fenarimol and ZJ0712 is 1: 10 ~ 20: 1;
The weight ratio of Fenarimol and ZEN 90160 is 1: 30 ~ 10: 1.
4. the efficient bactericidal composite containing Fenarimol according to any one of claims 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. the efficient bactericidal composite containing Fenarimol according to claim 4 is for preventing and treating the purposes of crop pest.
6. purposes according to claim 5, is characterized in that: described disease is powdery mildew, spike rot, scab, leaf spot, glume blight, rust, downy mildew, epidemic disease, peronospora tabacina, net blotch, ring spot, moire disease, rice blast, anthracnose, banded sclerotial blight, gray mold, brown spot, anthrachose of grape.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102657210A (en) * | 2012-05-15 | 2012-09-12 | 玉林师范学院 | Hot fogging concentrate containing pyraclostrobin and sterol synthesis inhibitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102657210A (en) * | 2012-05-15 | 2012-09-12 | 玉林师范学院 | Hot fogging concentrate containing pyraclostrobin and sterol synthesis inhibitor |
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Address after: 715500 Pucheng high tech Industrial Development Zone, Weinan, Shaanxi Patentee after: Shaanxi Mei Bang Pharmaceutical Group Limited by Share Ltd Address before: 715500 Shaanxi Pucheng Weinan County agricultural base industrial park Patentee before: Shaanxi Meibang Pesticide Co., Ltd. |