CN103651389A - High-efficiency bactericidal composition containing penthiopyrad and triazole - Google Patents
High-efficiency bactericidal composition containing penthiopyrad and triazole Download PDFInfo
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Abstract
The invention discloses a high-efficiency bactericidal composition containing penthiopyrad and triazole, which contains an active component A and an active component B, wherein the active component A is selected from penthiopyrad; the active component B is a triazole bactericide; the triazole bactericide is selected from any one of tebuconazole, hexaconazole, epoxiconazole, penconazole, propiconazole, cyproconazole and tetraconazole; and the weight ratio of the active component A to the active component B is 1:70-70:1. The composition disclosed by the invention has higher activity for multiple diseases on multiple crops, and has obvious synergistic action, thereby widening the bactericidal spectrum. The composition 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 efficient bactericidal composite containing pyrrole metsulfovax and triazole type in crop pest.
Technical background
Pyrrole metsulfovax (Penthiopyrad), molecular formula: C
16h
20f
3n
3oS, chemical name: (RS) ~ N ~ [2 ~ (1,3 ~ dimethylbutyl) ~ 3 ~ thiophene phenyl]～methyl ~ 3 ~ (trifluoromethyl) ~ 1H ~ pyrazoles ~ 4 ~ formamide.Pyrrole metsulfovax is the novel acid amide fungicides of Mitsui chemical company research and development, and it has different fungicidal spectrums from existing carboxyl acylamide bactericide.Except the same with existing carboxyl acylamide bactericide to basidiomycetes effectively, it is also effective to sac fungi, imperfect fungus, existing recommended for preventing and treating gray mold and the powdery mildew to other bactericide tool resistances.
The triazole bactericidal agent sterilization wide spectrum-many kinds of disease funguses of sac fungi, basidiomycetes, imperfect fungus are had to very high activity, but to oomycetes non-activity; Efficiently-drug effect is high, dosage reduces; 15 ~ 20 days, lasting period length-blade face, seed treatment is about 80 days, and soil treatment 100 days is all long than general bactericide, and extends with the increase of dosage; Interior suction transporting is good, and infiltration rate is fast, dispenser after 2 hours the absorbed amount of triazolone can suppress the growth of powdery mildew; There is strong preventive effect, therapeutic action preferably, stifling and eradicant action.The 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 pyrrole metsulfovax and Tebuconazole, own azoles alcohol, epoxiconazole, penconazole, propiconazole, cyproconazole, tetraconazole, there is within the specific limits good synergistic effect, and relevant composite about pyrrole metsulfovax and Tebuconazole, own azoles alcohol, epoxiconazole, penconazole, propiconazole, cyproconazole, tetraconazole, there is not yet relevant report at present 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 efficient bactericidal composite containing pyrrole metsulfovax and triazole type.
The present invention is achieved through the following technical solutions:
A kind of efficient bactericidal composite containing pyrrole metsulfovax and triazole type, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 70 ~ 70 ︰ 1, described active components A is selected from pyrrole metsulfovax, active component B is triazole bactericidal agent, and described triazole bactericidal agent is selected from following any one compound: a kind of in Tebuconazole, own azoles alcohol, epoxiconazole, penconazole, propiconazole, cyproconazole, tetraconazole; The preferred weight ratio of active components A and active component B is 1 ︰ 50 ~ 50 ︰ 1; More preferably the weight ratio of pyrrole metsulfovax and Tebuconazole is 1 ︰ 20 ~ 30 ︰ 1; The weight ratio of pyrrole metsulfovax and own azoles alcohol is 1 ︰ 10 ~ 25 ︰ 1; The weight ratio of pyrrole metsulfovax and epoxiconazole is 1 ︰ 30 ~ 30 ︰ 1; The weight ratio of pyrrole metsulfovax and penconazole is 1 ︰ 10 ~ 30 ︰ 1; The weight ratio of pyrrole metsulfovax and propiconazole is 1 ︰ 30 ~ 30 ︰ 1; The weight ratio of pyrrole metsulfovax and cyproconazole is 1 ︰ 15 ~ 30 ︰ 1; The weight ratio of pyrrole metsulfovax and tetraconazole is 1 ︰ 10 ~ 30 ︰ 1, and the weight ratio that most preferably is pyrrole metsulfovax and Tebuconazole is 1 ︰ 10 ~ 15 ︰ 1; The weight ratio of pyrrole metsulfovax and own azoles alcohol is 1 ︰ 6 ~ 15 ︰ 1; The weight ratio of pyrrole metsulfovax and epoxiconazole is 1 ︰ 10 ~ 10 ︰ 1; The weight ratio of pyrrole metsulfovax and penconazole is 1 ︰ 5 ~ 15 ︰ 1; The weight ratio of pyrrole metsulfovax and propiconazole is that the weight ratio of 1 ︰ 10 ~ 10 ︰ 1, pyrrole metsulfovax and cyproconazole is 1 ︰ 4 ~ 6 ︰ 1; The weight ratio of pyrrole metsulfovax and tetraconazole is 1 ︰ 5 ~ 15 ︰ 1.
The disease of the described efficient bactericidal composite containing pyrrole metsulfovax 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, rust, scab, downy mildew, gray mold, stalk break, spot defoliation, banded sclerotial blight, rice blast, late blight, early blight, phytophthora root rot, damping off, mottled rot is sick, false smut, leaf spot, white rot, ring spot, anthracnose, fusarium wilt.
The amount of application when content of active component depends on independent use in the present composition, 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 adds surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc.According to different dosage form, in preparation, can also contain stabilizing agent known in those skilled in the art, antifreeze etc.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand.Wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension ~ suspending agent.
When making wetting powder, composition comprises following component and content: active components A 1% ~ 70%, active component B1% ~ 70%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 1% ~ 70%, active component B1% ~ 70%, 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 1% ~ 50%, active component B1% ~ 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 suspension emulsion, composition comprises following component and content: active components A 1% ~ 50%, active component B 1% ~ 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 microemulsion, composition comprises following component and content: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following component and content: active components A 1% ~ 50%, active component B1% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following component and content: active components A 1% ~ 50%, active component B1% ~ 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 1% ~ 50%, active component B1% ~ 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:
Suspension emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Aqueous 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.
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 1～18 wetting powder
Pyrrole metsulfovax, 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 1～18 each component and content
Embodiment 19～36 water dispersible granules
Pyrrole metsulfovax, active component B, dispersant, wetting agent, disintegrant, filler 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, make water dispersible granules product of the present invention.Specifically in Table 2.
Table 2 embodiment 19～36 each component and content
Embodiment 37～54 suspending agents
Dispersant, wetting agent, thickener (can add and can not add), defoamer, antifreeze (can add and can not add) are mixed through high speed shear, add pyrrole metsulfovax, active component B, by deionized water, supply surplus, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent product of the present invention.Specifically in Table 3.
Table 3 embodiment 37～54 each component and content
Embodiment 5561 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), deionized water are mixed through high speed shear, add pyrrole metsulfovax, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make pyrrole metsulfovax suspending agent, then by active component B, solvent, emulsifier 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 4.
Table 4 embodiment 55～61 each component and content
Embodiment 62～77 aqueous emulsions
Pyrrole metsulfovax, 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 5.
Table 5 embodiment 62～77 each component and content
Table 1 to Tebuconazole, own azoles alcohol, epoxiconazole, penconazole, propiconazole, cyproconazole, tetraconazole in table 5 exchanged, can make novel formulation.Embodiment 78,79 microcapsule suspending agents
By pyrrole metsulfovax, 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, by deionized water, supply surplus, 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 6.
Table 6 embodiment 78,79 each component and content
Embodiment 80～82 microcapsule suspension suspending agents
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 pyrrole metsulfovax, 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 7.
Table 7 embodiment 80～82 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,
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 pyrrole metsulfovax; B selects a kind of in Tebuconazole, own azoles alcohol, epoxiconazole, penconazole, propiconazole, cyproconazole, tetraconazole.
Application Example two:
For trying disease: alternaria leaf spot of apple; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining pyrrole metsulfovax and Original Tebuconazole and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to alternaria leaf spot of apple of table 8 pyrrole metsulfovax and Tebuconazole
As shown in Table 8, the proportioning of the composite control alternaria leaf spot of apple of pyrrole metsulfovax and Tebuconazole is when 1 ︰ 70 ~ 70 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 70 ~ 70 ︰ 1 scopes, when the proportioning of pyrrole metsulfovax and Tebuconazole is during at 1 ︰ 20 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.15.The optimum ratio of finding pyrrole metsulfovax and Tebuconazole through test is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,3:2,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20, especially when pyrrole metsulfovax and Tebuconazole weight ratio are 3:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For trying disease: wheat rust; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining pyrrole metsulfovax and the former medicine of own azoles alcohol and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to wheat rust of table 9 pyrrole metsulfovax and own azoles alcohol
As shown in Table 9, the composite proportioning of preventing and treating wheat rust of pyrrole metsulfovax and own azoles alcohol is when 1 ︰ 70 ~ 70 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 70 ~ 70 ︰ 1 scopes, when the proportioning of pyrrole metsulfovax and own azoles alcohol is during at 1 ︰ 10 ~ 25 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.The optimum ratio of finding pyrrole metsulfovax and own azoles alcohol through test is 25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,3:2,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10, especially when pyrrole metsulfovax and own azoles alcohol weight ratio are 5:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For trying disease: sigatoka; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining pyrrole metsulfovax and epoxiconazole raw drug and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to sigatoka of table 10 pyrrole metsulfovax and epoxiconazole
As shown in Table 10, the composite proportioning of preventing and treating sigatoka of pyrrole metsulfovax and epoxiconazole is when 1 ︰ 70 ~ 70 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 70 ~ 70 ︰ 1 scopes, when the proportioning of pyrrole metsulfovax and epoxiconazole is during at 1 ︰ 30 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.30.The optimum ratio of finding pyrrole metsulfovax and epoxiconazole through test is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,3:2,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25,1:30, especially when pyrrole metsulfovax and epoxiconazole weight ratio are 1:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
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 pyrrole metsulfovax and penconazole 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 11 pyrrole metsulfovax and penconazole
As shown in Table 11, the proportioning of the composite control grape powdery mildew of pyrrole metsulfovax and penconazole is when 1 ︰ 70 ~ 70 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 70 ~ 70 ︰ 1 scopes, when the proportioning of pyrrole metsulfovax and penconazole is during at 1 ︰ 10 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.15.The optimum ratio of finding pyrrole metsulfovax and penconazole through test is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,3:2,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10, especially when pyrrole metsulfovax and penconazole weight ratio are 3:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For trying disease: rice blast; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining pyrrole metsulfovax and propiconazole and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 12 pyrrole metsulfovax and the propiconazole compound toxicity test analysis of results table to rice blast
As shown in Table 12, the proportioning of pyrrole metsulfovax and propiconazole compound control rice blast is when 1 ︰ 70 ~ 70 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 70 ~ 70 ︰ 1 scopes, when the proportioning of pyrrole metsulfovax and propiconazole is during at 1 ︰ 30 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.The optimum ratio of finding pyrrole metsulfovax and propiconazole through test is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,2:3,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25,1:30, especially when pyrrole metsulfovax and propiconazole weight ratio are 1:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example seven:
For trying disease: pear scab; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining the former medicine of pyrrole metsulfovax and cyproconazole 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 13 pyrrole metsulfovax and cyproconazole
As shown in Table 13, the proportioning of the composite control pear scab of pyrrole metsulfovax and cyproconazole is when 1 ︰ 70 ~ 70 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 70 ~ 70 ︰ 1 scopes, when the proportioning of pyrrole metsulfovax and cyproconazole is during at 1 ︰ 15 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.The optimum ratio of finding pyrrole metsulfovax and cyproconazole through test is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,2:3,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15, especially when pyrrole metsulfovax and cyproconazole weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example eight:
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 pyrrole metsulfovax 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 14 pyrrole metsulfovax and tetraconazole
As shown in Table 14, the proportioning of the composite control powdery mildew of strawberry of pyrrole metsulfovax and tetraconazole is when 1 ︰ 70 ~ 70 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 70 ~ 70 ︰ 1 scopes, when the proportioning of pyrrole metsulfovax and tetraconazole is during at 1 ︰ 10 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.The optimum ratio of finding pyrrole metsulfovax and tetraconazole through test is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,2:3,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10, especially when pyrrole metsulfovax and tetraconazole weight ratio are 3:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test, find: after pyrrole metsulfovax and active component B are composite, the control of powdery mildew, rust, scab, downy mildew, gray mold, stalk break, spot defoliation, banded sclerotial blight, rice blast, late blight, early blight, phytophthora root rot, damping off, mottled rot disease, false smut, leaf spot, white rot, ring spot, anthracnose, fusarium wilt is had to obvious synergistic effect, synergy ratio is all more than 1.50.
Test of pesticide effectiveness part
Test medicine is researched and developed, is provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd.Contrast medicament: 20% pyrrole metsulfovax suspending agent (autogamy), 80% tebuconazole water dispersible granule (commercial), 40% hexaconazole suspending agent (commercial), 12.5% epoxiconazole suspension concentrate (commercial), 10% penconazole missible oil (commercial), 250 grams per liter propiconazole emulsifiable concentrates (commercial), 10% cyproconazole wetting powder (autogamy), 4% tetraconazole aqueous emulsion (commercial).
Application Example nine pyrrole metsulfovax and active component B and the composite control gray mold of cucumber test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Weinan City, is investigated the gray mold 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 last dispenser 7 days, 15 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 15 pyrrole metsulfovax and active component B and the composite control gray mold of cucumber test of pesticide effectiveness thereof
As can be seen from Table 15, after pyrrole metsulfovax and active component B are composite, can effectively prevent and treat gray mold of cucumber, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can treat cucumber downy mildew, powdery mildew, fusarium wilt, damping off, after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example ten pyrrole metsulfovax and active component B and the composite rice sheath blight disease test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in 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 last dispenser 7 days, 15 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 16 pyrrole metsulfovax 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 16, after pyrrole metsulfovax and active component B are composite, 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, and can treat rice blast, false smut, and after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example 11 pyrrole metsulfovax 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 last dispenser 7 days, 15 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 17 pyrrole metsulfovax and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 17, after pyrrole metsulfovax and active component B are composite, 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 12 pyrrole metsulfovax and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This test arrangement, at weinan suburban area, 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 last dispenser 7 days, 20 days, 40 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 18 pyrrole metsulfovax 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 18, after pyrrole metsulfovax and active component B are composite, 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, and can treat fruit white rot of grape, powdery mildew, gray mold, after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example 13 pyrrole metsulfovax 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 last dispenser 7 days, 15 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 19 pyrrole metsulfovax and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 19, after pyrrole metsulfovax and active component B are composite, 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, and can treat wheat powdery mildew, banded sclerotial blight, and after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example 14 pyrrole metsulfovax and active component B and the composite control ornamental plants powdery mildew test of pesticide effectiveness thereof
This test arrangement, at Xian District, Shanxi Province suburban area, is investigated the ornamental plants powdery mildew 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 last dispenser 7 days, 20 days, 40 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 20 pyrrole metsulfovax and active component B and the composite control ornamental plants powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 20, after pyrrole metsulfovax and active component B are composite, can effectively prevent and treat ornamental plants 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.
Application Example 15 pyrrole metsulfovax and active component B and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Zhanjiang, Guangdong 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 last dispenser 7 days, 15 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 21 pyrrole metsulfovax and active component B and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 21, after pyrrole metsulfovax and active component B are composite, 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, and can treat banana freckle, and after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example 16 pyrrole metsulfovax and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This test arrangement, in Xianyang 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 last dispenser 7 days, 15 days, 30 days, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 22 pyrrole metsulfovax and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 22, after pyrrole metsulfovax and active component B are composite, can effectively prevent and treat alternaria leaf spot of apple, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can treat apple anthracnose, ring spot, and after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
After through different local throughout the country tests, draw, pyrrole metsulfovax and active component B composite rear to the preventive effect of the Common Diseases such as the powdery mildew in various crop, rust, scab, downy mildew, gray mold, stalk break, spot defoliation, banded sclerotial blight, rice blast, late blight, early blight, phytophthora root rot, damping off, mottled rot disease, false smut, leaf spot, white rot, ring spot, anthracnose, fusarium wilt all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the efficient bactericidal composite containing pyrrole metsulfovax and triazole type, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 70 ~ 70 ︰ 1, described active components A is selected from pyrrole metsulfovax, active component B is triazole bactericidal agent, and described triazole bactericidal agent is selected from following any one compound: a kind of in Tebuconazole, own azoles alcohol, epoxiconazole, penconazole, propiconazole, cyproconazole, tetraconazole.
2. the efficient bactericidal composite containing pyrrole metsulfovax and triazole type according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 50 ~ 50 ︰ 1.
3. the efficient bactericidal composite containing pyrrole metsulfovax and triazole type according to claim 2, is characterized in that:
The weight ratio of pyrrole metsulfovax and Tebuconazole is 1 ︰ 20 ~ 30 ︰ 1;
The weight ratio of pyrrole metsulfovax and own azoles alcohol is 1 ︰ 10 ~ 25 ︰ 1;
The weight ratio of pyrrole metsulfovax and epoxiconazole is 1 ︰ 30 ~ 30 ︰ 1;
The weight ratio of pyrrole metsulfovax and penconazole is 1 ︰ 10 ~ 30 ︰ 1;
The weight ratio of pyrrole metsulfovax and propiconazole is 1 ︰ 30 ~ 30 ︰ 1;
The weight ratio of pyrrole metsulfovax and cyproconazole is 1 ︰ 15 ~ 30 ︰ 1;
The weight ratio of pyrrole metsulfovax and tetraconazole is 1 ︰ 10 ~ 30 ︰ 1.
4. according to the efficient bactericidal composite containing pyrrole metsulfovax 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, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension ~ suspending agent.
5. the efficient bactericidal composite containing pyrrole metsulfovax and triazole type according to claim 4, for preventing and treating the application of corps diseases.
6. application according to claim 5, is characterized in that: described disease comprises powdery mildew, rust, scab, downy mildew, gray mold, stalk break, spot defoliation, banded sclerotial blight, rice blast, late blight, early blight, phytophthora root rot, damping off, mottled rot disease, false smut, leaf spot, white rot, ring spot, anthracnose, fusarium wilt.
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| CN112042659A (en) * | 2019-06-05 | 2020-12-08 | 江苏龙灯化学有限公司 | Sterilization composition containing penthiopyrad and tebuconazole |
| CN113907081A (en) * | 2019-06-05 | 2022-01-11 | 江苏龙灯化学有限公司 | Sterilization composition containing penthiopyrad and trifloxystrobin |
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