CN103651393A - Bactericidal composition containing dimoxystrobin and triazole - Google Patents
Bactericidal composition containing dimoxystrobin and triazole Download PDFInfo
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Abstract
The invention discloses a bactericidal composition containing dimoxystrobin and triazole, which contains an active component A and an active component B, wherein the active component A is selected from dimoxystrobin; the active component B is selected from any one of hexaconazole, difenoconazole, cyproconazole, flusilazole and tetraconazole; and the weight ratio of the active component A to the active component B is 1:60-80:1. The composition disclosed by the invention has higher activity for multiple diseases on multiple crops, has obvious synergistic action, widens the bactericidal spectrum, and has the characteristics of small dosage, rainfall erosion resistance and obvious synergistic action.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of bactericidal composition containing dimoxystrobin and triazole type in crop pest.
Technical background
Dimoxystrobin (Dimoxystrobin) chemical name: (E)-2-(methoxyimino)-N-methyl-2[a-(2,5-xylyloxy)-o-tolyl] acetamide, molecular formula: C
19h
22n
2o
3.The outer inhibitor of quinone, hinders electrical conductivity by acting on Cytochrome bc1 Complex, to suppress mitochondrial respiration.There is protectiveness, therapeutic and conductivity, suppress spore germination and mycelial growth.
Active component B belongs to triazole bactericidal agent, this class medicament is except to oomycetes non-activity in Mastigomycotina, the pathogen of Ascomycotina, Basidiomycotina and Deuteromycotina is all had to activity, and its mechanism of action, for to affect sterols biosynthesis, is damaged somatic cells film function.
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 dimoxystrobin and own azoles alcohol, Difenoconazole, cyproconazole, Flusilazole, tetraconazole, there is within the specific limits good synergistic effect, and relevant composite about dimoxystrobin and own azoles alcohol, Difenoconazole, cyproconazole, Flusilazole, tetraconazole, 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 the is good bactericidal composition containing dimoxystrobin and triazole type.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition containing dimoxystrobin and triazole type, contain active components A and active component B, active components A and active component B weight ratio are 1: 60～80: 1, described active components A is selected from dimoxystrobin, select oneself a kind of in azoles alcohol, Difenoconazole, cyproconazole, Flusilazole, tetraconazole of active component B; The weight ratio that is preferably active components A and active component B is 1 ︰ 40～60 ︰ 1; More preferably the weight ratio of dimoxystrobin and own azoles alcohol is 1: 10～30: 1, the weight ratio of dimoxystrobin and Difenoconazole is 1: 10～20: 1, the weight ratio of dimoxystrobin and cyproconazole is 1: 10～20: 1, the weight ratio of dimoxystrobin and Flusilazole is 1: 10～20: 1, and the weight ratio of dimoxystrobin and tetraconazole is 1: 10～30: 1; Most preferably the weight ratio of dimoxystrobin and own azoles alcohol is 1: 4～19: 1, the weight ratio of dimoxystrobin and Difenoconazole is 1: 4～9: 1, the weight ratio of dimoxystrobin and cyproconazole is 1: 4～9: 1, the weight ratio of dimoxystrobin and Flusilazole is 1: 4～9: 1, and the weight ratio of dimoxystrobin and tetraconazole is 1: 4～19: 1.
The described bactericidal composition containing dimoxystrobin and triazole type, composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
The disease of the described bactericidal composition containing dimoxystrobin and triazole type for preventing and treating 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, flowers crop, medicinal crop, raw material crop, green manure pasture crop; Described disease comprises powdery mildew, downy mildew, rice blast, banded sclerotial blight, false smut, epidemic disease, rust, scab, rust, anthracnose, brown spot, leaf spot, net blotch, head blight, anthrachose of grape, shot hole, climing rot, smut, root rot, full rot, damping off, white rot, eye spot disease, glume blight, leaf mold, moire disease, spot defoliation.
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.Conventionally, liquid 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, antifreeze, 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% ~ 80%, active component B 0.5% ~ 60%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 0.1% ~ 80%, active component B 0.1% ~ 60%, 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 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%.
When making aqueous emulsion, composition comprises following component and content: 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%.
When making microemulsion, composition comprises following component and content: 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%.
When making suspension emulsion, composition comprises following component and content: 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%.
When making microcapsule suspending agent, composition comprises following component and content: 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%.
When making microcapsule suspension-suspending agent, composition comprises following component and content: 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-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 powdery mildew, downy mildew, rice blast, banded sclerotial blight, false smut, epidemic disease, rust, scab, rust, anthracnose, brown spot, leaf spot, net blotch, head blight, anthrachose of grape, shot hole, climing rot, smut, root rot, full rot, damping off, white rot, eye spot disease, glume blight, leaf mold, moire disease, spot defoliation.
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
Dimoxystrobin, 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 1,2,3.
Table 1 embodiment 1～5 each component and content
Table 2 embodiment 6 ~ 10 each component and content
Table 3 embodiment 11～14 each component and content
Embodiment 15～28 water dispersible granules
Dimoxystrobin, 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 4,5,6.
Table 4 embodiment 15～19 each component and content
Table 5 embodiment 20～24 each component and content
Table 6 embodiment 25～28 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 dimoxystrobin, 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 7,8,9.
Table 7 embodiment 29～33 each component and content
Table 8 embodiment 34～38 each component and content
Table 9 embodiment 39～42 each component and content
Embodiment 43～54 aqueous emulsions
Dimoxystrobin, 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 10,11.
Table 10 embodiment 43～48 each component and content
Table 11 embodiment 49～54 each component and content
Own azoles alcohol, Difenoconazole, cyproconazole, Flusilazole, tetraconazole in table 1 ~ 11 are exchanged, can make novel formulation.
Embodiment 55～57 microemulsions
Dimoxystrobin, 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 12.
Table 12 embodiment 55～57 each component and content
Embodiment 58～60 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 dimoxystrobin, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make dimoxystrobin suspending agent, then by active component B, 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 13.
Table 13 embodiment 58～60 each component and content
Embodiment 61～63 microcapsule suspending agents
By dimoxystrobin, 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 14.
Table 14 embodiment 61～63 each component and content
Embodiment 64～66 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 dimoxystrobin, 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 15.
Table 15 embodiment 64～66 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 dimoxystrobin;
Select oneself a kind of in azoles alcohol, Difenoconazole, cyproconazole, Flusilazole, tetraconazole of B.
Application Example two:
For examination disease: rice sheath blight disease, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining dimoxystrobin and own the two different proportioning mixture of azoles alcohol through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice sheath blight disease of table 16 dimoxystrobin and own azoles alcohol
As shown in Table 16, the composite proportioning of preventing and treating rice sheath blight disease of dimoxystrobin and own azoles alcohol is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, the proportioning of dimoxystrobin and own azoles alcohol was at 1: 10～30: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the proportioning of dimoxystrobin and own azoles alcohol is 30 ︰ 1,25 ︰ 1,20 ︰ 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 dimoxystrobin and own azoles alcohol weight ratio are 4:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: scab of cucumber, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining dimoxystrobin and difenoconazole technical material and the two different proportioning mixture through preliminary experiment
Toxicity test result
The composite toxicity test analysis of results table to scab of cucumber of table 17 dimoxystrobin and Difenoconazole
As shown in Table 17, the composite proportioning of preventing and treating scab of cucumber of dimoxystrobin and Difenoconazole is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, the proportioning of dimoxystrobin and Difenoconazole is 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 dimoxystrobin and Difenoconazole 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 dimoxystrobin and Difenoconazole weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
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 former medicine of dimoxystrobin and cyproconazole and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to grape powdery mildew of table 18 dimoxystrobin and cyproconazole
As shown in Table 18, the proportioning of the composite control grape powdery mildew of dimoxystrobin and cyproconazole is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, the proportioning of dimoxystrobin and cyproconazole 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 dimoxystrobin and cyproconazole 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 dimoxystrobin and cyproconazole weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For examination disease: pear scab, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining dimoxystrobin and flusilazole and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to pear scab of table 19 dimoxystrobin and Flusilazole
As shown in Table 19, the proportioning of the composite control pear scab of dimoxystrobin and Flusilazole is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, the proportioning of dimoxystrobin and Flusilazole 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 dimoxystrobin and Flusilazole 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 dimoxystrobin and Flusilazole weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For trying disease: powdery mildew of strawberry, test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd, experimental scheme: effective inhibition concentration scope of determining the former medicine of dimoxystrobin and tetraconazole and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to powdery mildew of strawberry of table 20 dimoxystrobin and tetraconazole
As shown in Table 20, the proportioning of the composite control powdery mildew of strawberry of dimoxystrobin and tetraconazole is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 60 ~ 80 ︰ 1 scopes, the proportioning of dimoxystrobin and tetraconazole was at 1: 10～30: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the proportioning of dimoxystrobin and tetraconazole is 30 ︰ 1,25 ︰ 1,20 ︰ 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 dimoxystrobin and tetraconazole weight ratio are 3:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test, find: after dimoxystrobin and active component B are composite, the control of the powdery mildew in various crop, downy mildew, rice blast, banded sclerotial blight, false smut, epidemic disease, rust, scab, rust, anthracnose, brown spot, leaf spot, net blotch, head blight, anthrachose of grape, shot hole, climing rot, smut, root rot, full rot, damping off, white rot, eye spot disease, glume blight, leaf mold, moire disease, spot defoliation 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 20% dimoxystrobin suspending agent (autogamy), 250g/L hexaconazole suspending agent (commercial), 25% Difenoconazole missible oil (commercial), 10% cyproconazole suspending agent (autogamy), 10% Flusilazole aqueous emulsion (commercial), 4% tetraconazole aqueous emulsion (commercial).
Application Example seven dimoxystrobins 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 21 dimoxystrobin 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 21, dimoxystrobin 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.Cucumber downy mildew, scab are had to good preventive effect, and preventive effect is all higher than 96% simultaneously.
Application Example eight dimoxystrobins and active component B and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Nanning, 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 3 days, 7 days, 15 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 22 dimoxystrobin and active component B and the composite sigatoka effect of preventing and treating thereof are tested
As can be seen from Table 22, dimoxystrobin 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, target crop is had no adverse effects in scope of medication.
Application Example nine dimoxystrobins and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Weinan City, is investigated the alternaria leaf spot of apple 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 23 dimoxystrobin and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 23, dimoxystrobin and active component B and composite rear efficiency control alternaria leaf spot of apple 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.Apple mildew, anthracnose are also had to good preventive effect, and preventive effect is all higher than 96% simultaneously.
Application Example ten dimoxystrobins and active component B and the composite rice sheath blight disease test of pesticide effectiveness of preventing and treating thereof
This test arrangement, at Shaanxi Province's Hanzhong City, is investigated the rice sheath blight disease 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 24 dimoxystrobin and active component B and the composite rice sheath blight disease test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 24, dimoxystrobin and active component B and composite after can effectively prevent and treat rice sheath blight disease, 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 green smut, rice blast are had to good preventive effect, and preventive effect is all higher than 96% simultaneously.
Application Example 11 dimoxystrobins and active component B and the composite control pear scab test of pesticide effectiveness thereof
This experimental establishment, in Dali County, Shaanxi Province, 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 25 dimoxystrobin and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 25, dimoxystrobin 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.Pear tree rust is also had to good preventive effect, and preventive effect is higher than 96% simultaneously.
Application Example 12 dimoxystrobins and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This experimental establishment, at Shaanxi Province's Weinan City, is investigated wheat powdery mildew 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 26 dimoxystrobin and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 26, dimoxystrobin and active component B and composite after can effectively prevent and treat wheat powdery mildew, 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.There are to good preventive effect wheat glume blight, banded sclerotial blight, rust, head blight, net blotch, moire disease, full rot, and preventive effect is all higher than 96% simultaneously.
After through different local throughout the country tests, draw, dimoxystrobin and own azoles alcohol, Difenoconazole, cyproconazole, Flusilazole, tetraconazole is composite rear to the powdery mildew in various crop, downy mildew, rice blast, banded sclerotial blight, false smut, epidemic disease, rust, scab, rust, anthracnose, brown spot, leaf spot, net blotch, head blight, anthrachose of grape, shot hole, climing rot, smut, root rot, full rot, damping off, white rot, eye spot disease, glume blight, leaf mold, moire disease, the preventive effect of the Common Diseases such as spot defoliation is all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the bactericidal composition containing dimoxystrobin and triazole type, it is characterized in that: contain active components A and active component B, active components A and active component B weight ratio are 1: 60～80: 1, described active components A is selected from dimoxystrobin, select oneself a kind of in azoles alcohol, Difenoconazole, cyproconazole, Flusilazole, tetraconazole of active component B.
2. the bactericidal composition containing dimoxystrobin and triazole type according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1: 40～60: 1.
3. the bactericidal composition containing dimoxystrobin and triazole type according to claim 2, is characterized in that:
The weight ratio of dimoxystrobin and own azoles alcohol is 1: 10～30: 1;
The weight ratio of dimoxystrobin and Difenoconazole is 1: 10～20: 1;
The weight ratio of dimoxystrobin and cyproconazole is 1: 10～20: 1;
The weight ratio of dimoxystrobin and Flusilazole is 1: 10～20: 1;
The weight ratio of dimoxystrobin and tetraconazole is 1: 10～30: 1.
4. according to the bactericidal composition containing dimoxystrobin and triazole type described in any one in claim 1～3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
5. the bactericidal composition containing dimoxystrobin and triazole type 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 comprises powdery mildew, downy mildew, rice blast, banded sclerotial blight, false smut, epidemic disease, rust, scab, rust, anthracnose, brown spot, leaf spot, net blotch, head blight, anthrachose of grape, shot hole, climing rot, smut, root rot, full rot, damping off, white rot, eye spot disease, glume blight, leaf mold, moire disease, spot defoliation.
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| CN103053539A (en) * | 2012-12-29 | 2013-04-24 | 广东中迅农科股份有限公司 | Dimoxystrobin and hexaconazole sterilization composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0535928A2 (en) * | 1991-10-04 | 1993-04-07 | Shionogi Seiyaku Kabushiki Kaisha | Process for producing intermediates for use in production of alkoxyiminoacetamides |
| CN1111475A (en) * | 1993-09-24 | 1995-11-15 | Basf公司 | Fungicidal mixtures |
| CN102349506A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing Flusilazole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0535928A2 (en) * | 1991-10-04 | 1993-04-07 | Shionogi Seiyaku Kabushiki Kaisha | Process for producing intermediates for use in production of alkoxyiminoacetamides |
| CN1111475A (en) * | 1993-09-24 | 1995-11-15 | Basf公司 | Fungicidal mixtures |
| CN102349506A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing Flusilazole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103053539A (en) * | 2012-12-29 | 2013-04-24 | 广东中迅农科股份有限公司 | Dimoxystrobin and hexaconazole sterilization composition |
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