CN103535354A - Efficient bactericidal composition - Google Patents
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- CN103535354A CN103535354A CN201310173756.1A CN201310173756A CN103535354A CN 103535354 A CN103535354 A CN 103535354A CN 201310173756 A CN201310173756 A CN 201310173756A CN 103535354 A CN103535354 A CN 103535354A
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- acid amides
- pyrrole bacterium
- bacterium acid
- fluorine pyrrole
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 21
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- 241000894006 Bacteria Species 0.000 claims description 85
- 150000001408 amides Chemical class 0.000 claims description 85
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- 238000001228 spectrum Methods 0.000 abstract description 2
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses an efficient bactericidal composition. The bactericidal composition contains an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from fluopyram; the active ingredient B is selected from any one of the following compounds: dithianon, cyprodinil, captan, fosetyl-aluminum, chlorothalonil and bromothalonil; the weight ratio of the active ingredient A to the active ingredient B is 1:80 to 60:1. The composition disclosed by the invention has relatively high activity for various diseases on various crops and has a remarkable synergistic effect so that the bactericidal spectrum is expanded. In addition, the efficient bactericidal composition has the characteristics of small dosage, rain wash resistance and remarkable synergism.
Description
The application is for dividing an application, the patent application " a kind of efficient bactericidal composite " of original application Wei Meibang agricultural chemicals Co., Ltd, and the application number of original application is ︰ 201210243178.X, original application day is 2012.07.13.
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of efficient bactericidal composite in crop pest.
Technical background
The chloro-5-of fluorine pyrrole bacterium acid amides (Fluopyram) chemical name: N-{2-[3-(trifluoromethyl)-2-pyridine radicals) ethyl]-α, α, the fluoro-0-toluamide of α-tri-, molecular formula: C
16h
11clF
6n
2o, it is to suppress mitochondrial respiratory by hindering the electronics transfer of succinate dehydrogenase in respiratory chain.Reach the object of controlling pathogenic bacteria by several stages of suppressing in pathogen growth cycle, be mainly used in preventing and treating on broad leaf crop the microbial disease of ascus.
Yet in the real process of agricultural production, preventing and treating the problem that disease the most easily produces is drug-fast generation.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance.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, co-toxicity coefficient very high composite just still less.Through inventor's research, discovery will can produce good synergistic effect after fluorine pyrrole bacterium acid amides and dithianon, cyprodinil, captan, phosethyl-Al, tpn, bromothalonil compounded, and not yet open about the relevant report of fluorine pyrrole bacterium acid amides and dithianon, cyprodinil, captan, phosethyl-Al, tpn, bromothalonil compounded.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect is good efficient bactericidal composite.
The efficient bactericidal composite that the present invention proposes contains active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80～60 ︰ 1, described active components A is selected from fluorine pyrrole bacterium acid amides, and active component B is selected from a kind of in dithianon, cyprodinil, captan, phosethyl-Al, tpn, bromothalonil.Active components A and active component B preferably weight ratio are 1 ︰ 60～40 ︰ 1; More preferably the weight ratio of fluorine pyrrole bacterium acid amides and dithianon is 1 ︰ 25～15 ︰ 1, the weight ratio of fluorine pyrrole bacterium acid amides and cyprodinil is 1 ︰ 30～10 ︰ 1, the weight ratio of fluorine pyrrole bacterium acid amides and captan is 1 ︰ 30～5 ︰ 1, the weight ratio of fluorine pyrrole bacterium acid amides and phosethyl-Al is 1 ︰ 40～1 ︰ 1, the weight ratio of fluorine pyrrole bacterium acid amides and tpn is 1 ︰ 30～5 ︰ 1, and the weight ratio of fluorine pyrrole bacterium acid amides and bromothalonil is 1 ︰ 30～15 ︰ 1; The weight ratio that most preferably is fluorine pyrrole bacterium acid amides and dithianon is 1 ︰ 15～5 ︰ 1, the weight ratio of fluorine pyrrole bacterium acid amides and cyprodinil is 1 ︰ 20～1 ︰ 1, the weight ratio of fluorine pyrrole bacterium acid amides and captan is 1 ︰ 20～1 ︰ 5, the weight ratio of fluorine pyrrole bacterium acid amides and phosethyl-Al is 1 ︰ 30～1 ︰ 10, the weight ratio of fluorine pyrrole bacterium acid amides and tpn is 1 ︰ 20～1 ︰ 5, and the weight ratio of fluorine pyrrole bacterium acid amides and bromothalonil is 1 ︰ 10～5 ︰ 1;
The efficient bactericidal composite that the present invention proposes is for preventing and treating the purposes of disease on crops, and described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop; Described disease comprises powdery mildew, downy mildew, epidemic disease, rust, anthracnose, gray mold, scab, net blotch, glume blight, leaf mold, ring spot, rice blast, banded sclerotial blight, shot hole, leaf spot, spot defoliation, anthrachose of grape.
The amount of application when content of active component depends on independent use in the present composition, the mixed ratio that also depends on a kind of compound and another kind of compound with or its synergistic effect degree, 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.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, thickener or defoamer.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 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.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following component or its content: active components A 1%～60%, active component B1%～80%, dispersant 2%～10%, wetting agent 2%～10%, filler surplus.
When making water dispersible granules, composition comprises following component or its content: active components A 1%～60%, active component B1%～80%, dispersant 3%～12%, wetting agent 1%～8%, disintegrant 1%～10%, binding agent 0～8%, filler surplus.
When making suspending agent, composition comprises following component or its content: active components A 0.5%～50%, active component B0.5%～50%, dispersant 2%～10%, wetting agent 2%～10%, defoamer 0.01%～2%, thickener 0～2%, antifreeze 0～8%, deionized water add to 100%.
When making suspension emulsion, composition comprises following component or its content: active components A 0.5%～50%, active component B0.5%～50%, emulsifier 2%～12%, dispersant 2%～10%, solvent 1%～15%, defoamer 0.01%～2%, thickener 0～2%, antifreeze 0～8%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following component or its content: active components A 0.5%～50%, active component B0.5%～50%, solvent 1%～30%, emulsifier 1%～15%, antifreeze 0～8%, defoamer 0.01%～2%, thickener 0～2%, deionized water add to 100%.
When making microemulsion, composition comprises following component or its content: active components A 0.5%～50%, active component B0.5%～50%, emulsifier 3%～25%, solvent 1%～30%, antifreeze 0～8%, defoamer 0.01%～2%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following component or its content: active components A 0.5%～50%, active component B0.5%～50%, macromolecule cyst material 2%～10%, dispersant 1%～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 or its content: active components A 0.5%～50%, active component B0.5%～50%, macromolecule cyst material 2%～10%, dispersant 1%～12%, wetting agent 1%～8%, organic solvent 1%～15%, emulsifier 1%～6%, defoamer 0.01%～2%, thickener 0～2%, pH adjusting agent 0.01%～5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Suspension emulsion 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, epidemic disease, rust, anthracnose, gray mold, scab, net blotch, glume blight, leaf mold, ring spot, rice blast, banded sclerotial blight, shot hole, leaf spot, spot defoliation, anthrachose of grape.
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:
Example 1～14 wetting powder
Fluorine pyrrole bacterium acid amides, 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 example 1～14 each component or its content
Example 15～28 water dispersible granules
Fluorine pyrrole bacterium acid amides, active component B, dispersant, wetting agent, binding agent (can add and can not add), disintegrant, filler are obtained to the particle diameter of needs together through air-flow crushing, obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation or its dry after, make water dispersible granules product of the present invention.Specifically in Table 2.
Table 2 example 15～28 each components or its content
Example 29～42 suspending agents
Dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add fluorine pyrrole bacterium acid amides, active component B, surplus is supplied by deionized water, 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 example 29～42 each components or its content
Example 43～54 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), process high speed shear in above-mentioned formulation material are mixed, add fluorine pyrrole bacterium acid amides, in ball mill, ball milling is 2～3 hours, make diameter of particle all below 5 μ m, make fluorine pyrrole bacterium acid amides suspending agent, then by active component B, solvent, emulsifier or its various auxiliary agents with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention, specifically in Table 4,5,6.
Table 4 example 43～46 each components or its content
Table 5 example 47～50 each components or its content
Example 55～61 aqueous emulsions
Fluorine pyrrole bacterium acid amides, 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 7.
Table 7 example 55～61 each components or its content
Active component B dithianon, cyprodinil, captan, phosethyl-Al, tpn, bromothalonil in table 1～7 are exchanged, can make novel formulation.
Example 62～64 microemulsions
Fluorine pyrrole bacterium acid amides, active component B are dissolved in the homogenizer that solvent is housed, emulsifier, antifreeze (can add and can not add), defoamer are joined 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 8.
Table 8 example 62～64 each components or its content
Example 65,66 microcapsule suspending agents
By fluorine pyrrole bacterium acid amides, 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 9.
Table 9 example 65,66 each components or its content
Example 67,68 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 fluorine pyrrole bacterium acid amides, 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 10.
Table 10 example 67,68 each components or its content
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR < 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR > 1.5 is synergistic effect, on this basis, then carries out field trial.
Test method: after the effective inhibition concentration scope of each medicament is determined in prerun, medicament is established respectively 5 dosage by active constituent content and processed, and establishes clear water contrast.With reference to < < farm-chemical indoor determination test rule bactericide > >, carry out, adopt mycelial growth rate method to measure the virulence of medicament to crop germ.After 72h, by right-angled intersection method, measure colony diameter, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value to (x), with method of least squares, tries to achieve virulence regression equation (y=a+bx), and calculates thus the EC of every kind of medicament
50value.According to Wadley method, calculate the different proportioning synergy ratio (SR) of two medicaments, SR < 0.5 is antagonism simultaneously, and 0.5≤SR≤1.5 are summation action, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and active component B shared ratio in combination;
A is fluorine pyrrole bacterium acid amides;
B is selected from a kind of in dithianon, cyprodinil, captan, phosethyl-Al, tpn, bromothalonil.
Application Example two:
For trying disease: cucumber downy mildew; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.Experimental scheme: effective inhibition concentration scope of determining fluorine pyrrole bacterium acid amides and the former medicine of dithianon or its two different proportioning mixtures through preliminary experiment.
The composite toxicity test analysis of results table to cucumber downy mildew of table 11 fluorine pyrrole bacterium acid amides and dithianon
As shown in Table 11, fluorine pyrrole bacterium acid amides and the dithianon proportioning synergy ratio SR to cucumber downy mildew when 1 ︰ 80～60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80～60 ︰ 1 scopes, when the proportioning of fluorine pyrrole bacterium acid amides and dithianon is during at 1 ︰ 25～15 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Through applicant, test and find that the optimum ratio of fluorine pyrrole bacterium acid amides and dithianon is 15:1,10:1,8:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:10,1:12,1:15,1:20,1:25, especially when fluorine pyrrole bacterium acid amides and dithianon weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For trying disease: wheat powdery mildew; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.Experimental scheme: effective inhibition concentration scope of determining fluorine pyrrole bacterium acid amides and the former medicine of cyprodinil or its two different proportioning mixtures through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to wheat powdery mildew of table 12 fluorine pyrrole bacterium acid amides and cyprodinil
As shown in Table 12, fluorine pyrrole bacterium acid amides and the cyprodinil proportioning synergy ratio SR to wheat powdery mildew when 1 ︰ 80～60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80～60 ︰ 1 scopes, when the proportioning of fluorine pyrrole bacterium acid amides and cyprodinil is during at 1 ︰ 30～10 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the optimum ratio of fluorine pyrrole bacterium acid amides and cyprodinil is 10:1,8:1,6:1,3:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:16,1:17,1:18,1:20,1:25,1:30, especially when fluorine pyrrole bacterium acid amides and cyprodinil weight ratio are 1:9, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For trying disease: tomato blight; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.Experimental scheme: effective inhibition concentration scope of determining fluorine pyrrole bacterium acid amides and the former medicine of captan or its two different proportioning mixtures through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to tomato blight of table 13 fluorine pyrrole bacterium acid amides and captan
As shown in Table 13, fluorine pyrrole bacterium acid amides and the captan proportioning synergy ratio SR to tomato blight when 1 ︰ 80～60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80～60 ︰ 1 scopes, when the proportioning of fluorine pyrrole bacterium acid amides and captan is during at 1 ︰ 30～5 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the optimum ratio of fluorine pyrrole bacterium acid amides and captan is 5:1,1:1,1:3,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:16,1:17,1:18,1:19,1:20,1:25,1:30, especially when fluorine pyrrole bacterium acid amides and captan weight ratio are 1:14, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For trying disease: cucumber downy mildew; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.Experimental scheme: effective inhibition concentration scope of determining fluorine pyrrole bacterium acid amides and the former medicine of phosethyl-Al or its two different proportioning mixtures through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to cucumber downy mildew of table 14 fluorine pyrrole bacterium acid amides and phosethyl-Al
As shown in Table 14, fluorine pyrrole bacterium acid amides and the phosethyl-Al proportioning synergy ratio SR to cucumber downy mildew when 1 ︰ 80～60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80～60 ︰ 1 scopes, when the proportioning of fluorine pyrrole bacterium acid amides and phosethyl-Al is during at 1 ︰ 40～1 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the optimum ratio of fluorine pyrrole bacterium acid amides and phosethyl-Al is 1:1,1:5,1:10,1:12,1:14,1:16,1:17,1:18,1:19,1:20,1:21,1:22,1:23,1:24,1:25,1:26,1:28,1:30,1:35,1:40, especially when fluorine pyrrole bacterium acid amides and phosethyl-Al weight ratio are 1:19, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For trying disease: tomato blight; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.Experimental scheme: effective inhibition concentration scope of determining fluorine pyrrole bacterium acid amides and the former medicine of tpn or its two different proportioning mixtures through preliminary experiment.
Toxicity test result
Table 15 fluorine pyrrole bacterium acid amides and the chlorothalonil compound toxicity test analysis of results table to tomato blight
As shown in Table 15, fluorine pyrrole bacterium acid amides and the tpn proportioning synergy ratio SR to tomato blight when 1 ︰ 80～60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80～60 ︰ 1 scopes, when the proportioning of fluorine pyrrole bacterium acid amides and tpn is during at 1 ︰ 30～5 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.25.Through applicant, test and find that the optimum ratio of fluorine pyrrole bacterium acid amides and tpn is 5:1,1:1,1:2,1:5,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:16,1:17,1:18,1:19,1:20,1:22,1:25,1:28,1:30, especially when fluorine pyrrole bacterium acid amides and tpn weight ratio are 1:14, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example seven:
For trying disease: mandarin tree anthracnose; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.Experimental scheme: effective inhibition concentration scope of determining fluorine pyrrole bacterium acid amides and the former medicine of bromothalonil or its two different proportioning mixtures through preliminary experiment.
Toxicity test result
Table 16 fluorine pyrrole bacterium acid amides and the bromothalonil compounded toxicity test analysis of results table to mandarin tree anthracnose
As shown in Table 16, fluorine pyrrole bacterium acid amides and the bromothalonil proportioning synergy ratio SR to mandarin tree anthracnose when 1 ︰ 80～60 ︰ 1 is all greater than 1.5, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80～60 ︰ 1 scopes, when the proportioning of fluorine pyrrole bacterium acid amides and bromothalonil is during at 1 ︰ 30～15 ︰ 1, synergistic effect is more obviously outstanding, and synergy ratio is all more than 2.20.Through applicant, test and find that the optimum ratio of fluorine pyrrole bacterium acid amides and bromothalonil is 15:1,10:1,8:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25,1:30, especially when fluorine pyrrole bacterium acid amides and bromothalonil weight ratio are 1:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test, find: after fluorine pyrrole bacterium acid amides and active component B are composite, the control of powdery mildew, downy mildew, epidemic disease, rust, anthracnose, gray mold, scab, net blotch, glume blight, leaf mold, ring spot, rice blast, banded sclerotial blight, shot hole, leaf spot, spot defoliation, anthrachose of grape 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: 40% fluorine pyrrole bacterium acid amides suspending agent (autogamy), 75% dithianon wetting powder (autogamy), 50% cyprodinil water dispersible granules (autogamy), 50% captan wetting powder (commercial), 40% phosethyl-Al wetting powder (commercial), 75% tpn wetting powder (commercial), 25% bromothalonil wetting powder (commercial).
Application Example octafluoro pyrrole bacterium acid amides and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement, in suburb, Pucheng County, Shaanxi Province, is investigated the tomato blight 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 10 days, 20 days, 45 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 17 fluorine pyrrole bacterium acid amides and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 17, after fluorine pyrrole bacterium acid amides and active component B are composite, can effectively prevent and treat tomato 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 fluorine pyrrole bacterium acid amides and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This test arrangement, at Xian District, Shanxi Province suburban area, 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 15 days, 30 days, 45 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 18 fluorine pyrrole bacterium acid amides 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 18, after fluorine pyrrole bacterium acid amides and active component B are composite, 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.
Application Example ten fluorine pyrrole bacterium acid amides and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Weinan City Dengcheng County, Shaanxi Province, 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 3 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the third time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 19 fluorine pyrrole bacterium acid amides 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 fluorine pyrrole bacterium acid amides 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.In test scope of medication, target crop is had no adverse effects.
Application Example 11 fluorine pyrrole bacterium acid amides and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement, in Hanzhong City suburb, Shaanxi Province, is investigated the rice blast state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 10 days, 20 days, 45 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 20 fluorine pyrrole bacterium acid amides and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 20, after fluorine pyrrole bacterium acid amides and active component B are composite, can effectively prevent and treat rice blast, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten difluoro pyrrole bacterium acid amides and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Weinan City Dali County, Shaanxi Province, is investigated the downy mildew of garpe state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 21 fluorine pyrrole bacterium acid amides 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 21, after fluorine pyrrole bacterium acid amides 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.In test scope of medication, target crop is had no adverse effects.
Application Example ten trifluoro pyrrole bacterium acid amides and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement, at Xianyang, Shanxi province suburban area, 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 10 days, 20 days, 45 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 22 fluorine pyrrole bacterium acid amides and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 22, after fluorine pyrrole bacterium acid amides 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.
After through different local throughout the country tests, draw, the preventive effect that can effectively prevent and treat the Common Diseases such as powdery mildew, downy mildew, epidemic disease, rust, anthracnose, gray mold, scab, net blotch, glume blight, leaf mold, ring spot, rice blast, banded sclerotial blight, shot hole, leaf spot, spot defoliation, anthrachose of grape after fluorine pyrrole bacterium acid amides and dithianon, cyprodinil, captan, phosethyl-Al, tpn, bromothalonil compounded is all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. an efficient bactericidal composite, is characterized in that containing active components A and active component B, and active components A and active component B weight ratio are 1 ︰ 80～60 ︰ 1, and described active components A is selected from fluorine pyrrole bacterium acid amides, and active component B is selected from tpn.
2. efficient bactericidal composite according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60～40 ︰ 1.
3. efficient bactericidal composite according to claim 2, is characterized in that: the weight ratio of fluorine pyrrole bacterium acid amides and tpn is 1 ︰ 30～5 ︰ 1.
4. according to the efficient bactericidal composite described in claims 1 to 3 any one, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
5. efficient bactericidal composite 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, downy mildew, epidemic disease, rust, anthracnose, gray mold, scab, net blotch, glume blight, leaf mold, ring spot, rice blast, banded sclerotial blight, shot hole, leaf spot, spot defoliation, anthrachose of grape.
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| WO2004016088A2 (en) * | 2002-08-12 | 2004-02-26 | Bayer Cropscience S.A. | Novel 2-pyridylethylbenzamide derivative |
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