CN104115852A - Sterilization composition containing penflufen and thiocarbamate - Google Patents
Sterilization composition containing penflufen and thiocarbamate Download PDFInfo
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- CN104115852A CN104115852A CN201310145989.0A CN201310145989A CN104115852A CN 104115852 A CN104115852 A CN 104115852A CN 201310145989 A CN201310145989 A CN 201310145989A CN 104115852 A CN104115852 A CN 104115852A
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- azoles bacterium
- bacterium aniline
- fluorine
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- fluorine azoles
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- 230000001954 sterilising effect Effects 0.000 title abstract description 5
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- GOFJDXZZHFNFLV-UHFFFAOYSA-N 5-fluoro-1,3-dimethyl-N-[2-(4-methylpentan-2-yl)phenyl]pyrazole-4-carboxamide Chemical compound CC(C)CC(C)C1=CC=CC=C1NC(=O)C1=C(F)N(C)N=C1C GOFJDXZZHFNFLV-UHFFFAOYSA-N 0.000 title abstract description 4
- 239000005815 Penflufen Substances 0.000 title abstract description 4
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a sterilization composition containing penflufen and thiocarbamate. An active ingredient A is penflufen and the an active ingredient B is one selected from the group consisting of mancozeb, metiram and zineb; and active ingredient A and the active ingredient B are in the weight ratio of 1:80 to 60:1. The composition provided by the invention has high activity on a plurality of diseases on a plurality of crops, obvious synergic effect and enlarged sterilization spectrum. In addition, the sterilization composition has the characteristics of small drugs dose, rainwater washing resistance and obvious synergism.
Description
Technical field
The invention belongs to technical field of pesticide, the application of the bactericidal composition that relates to a kind of fluorine-containing azoles bacterium aniline and thiocarbamates in crop pest.
Technical background
Fluorine azoles bacterium aniline (penflufen): molecular formula is C
18h
24fN
3o, chemical name is 2 ＇-[(RS)-1,3-dimethylbutyl]-5-fluoro-1,3-dimethyl pyrazole-4-formailide, fluorine azoles bacterium aniline is a kind of succinate dehydrogenase inhibitors, and Main Function transmits Complex II in respiratory chain electronics, blocking-up energy metabolism.Can prevent and treat kind pass, basidiomycetes and sac fungi disease that soil passes, mainly contain potato black scurf that rhizoctonia causes, wheat sharp eyespot, rice sheath blight disease, sclerotinia rot of colza etc., also have loose smut of wheat, the bunt of wheat, corn southern leaf blight etc.Seed after treatment can absorb fluorine azoles bacterium aniline in germination process, is transmitted to other positions of plant corpus by xylem, plays the effect of cover crop.
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 have a synergistic effect composite seldom, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor's research, find mutually composite to fluorine azoles bacterium aniline and mancozeb, Carbatene or zineb, there is within the specific limits good synergistic effect, and relevant to mancozeb, Carbatene or zineb composite about fluorine azoles bacterium aniline, there is not yet at present relevant report at home and abroad.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect is good fluorine-containing azoles bacterium aniline and the bactericidal composition of thiocarbamates.
The present invention is achieved through the following technical solutions:
The bactericidal composition of a kind of fluorine-containing azoles bacterium aniline and thiocarbamates, contain active components A and active component B, active components A and active component B weight ratio are 1: 80～60: 1, described active components A is selected from fluorine azoles bacterium aniline, and active component B is selected from the one in mancozeb, Carbatene or zineb; The weight ratio that is preferably active components A and active component B is 1 ︰ 60～40 ︰ 1; More preferably the weight ratio of fluorine azoles bacterium aniline and mancozeb is 1: 24～10: 1, and the weight ratio of fluorine azoles bacterium aniline and Carbatene is 1: 30～10: 1, and the weight ratio of fluorine azoles bacterium aniline and zineb is 1: 30～10: 1; The weight ratio that most preferably is fluorine azoles bacterium aniline and mancozeb is 1: 19～1: 1, and the weight ratio of fluorine azoles bacterium aniline and Carbatene is 1: 19～1: 1, and the weight ratio of fluorine azoles bacterium aniline and zineb is 1: 19～1: 1.
Bactericidal composition of the present invention, can be processed on demand acceptable formulation in any sterilization, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent, can also be used as seed treatment.
Described fluorine-containing azoles bacterium aniline and the bactericidal composition of the thiocarbamates disease for preventing and treating crop; Described crop is cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop; Described disease is downy mildew, rice blast, false smut, banded sclerotial blight, powdery mildew, stalk break, anthracnose, epidemic disease, spot defoliation, brown spot, white rot, scab, ring spot, rust.
The amount of application when content of active component depends on independent use in bactericidal composition of the present invention, also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with target disease.Conventionally in composition, the weight percentage of active component is gross weight 1%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Liquids in general preparation contains 1%～60% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
In bactericidal composition of the present invention, at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use.Surface-active contents is 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can be by user before use through dilution or directly use.Its preparation can be prepared by processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active component, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, disintegrant, defoamer etc.According to different dosage form, in preparation, can also contain antifreeze known in those skilled in the art etc.
When making wetting powder, composition comprises following component and content: active components A 0.5%～60%, active component B0.5%～80%, dispersant 1%～12%, wetting agent 1%～8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 0.5%～60%, active component B0.5%～80%, dispersant 1%～12%, wetting agent 1%～8%, disintegrant 1%～10%, binding agent 0～8%, filler surplus.
When making suspending agent, composition comprises following component and content: active components A 0.5%～50%, active component B0.5%～50%, dispersant 1%～10%, wetting agent 1%～10%, defoamer 0.01%～2%, thickener 0～2%, antifreeze 0～8%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following component and content: active components A 0.5%～50%, active component B0.5%～50%, solvent 1%～20%, emulsifier 1%～12%, antifreeze 0～8%, defoamer 0.01%～2%, thickener 0～2%, deionized water add to 100%.
When making microemulsion, composition comprises following component and content: active components A 0.5%～50%, active component B0.5%～50%, emulsifier 3%～25%, solvent 1%～10%, antifreeze 0～8%, defoamer 0.01%～2%, deionized water add to 100%.
When making suspension emulsion, composition comprises following component and content: active components A 0.5%～50%, active component B0.5%～50%, emulsifier 1%～10%, dispersant 1%～10%, solvent 1%～20%, defoamer 0.01%～2%, thickener 0～2%, antifreeze 0～8%, deionized water add to 100%.
When making microcapsule suspending agent, composition comprises following component and content: active components A 0.5%～50%, active component B0.5%～50%, macromolecule cyst material 1%～10%, dispersant 2%～10%, solvent 1%～10%, emulsifier 1%～7%, pH adjusting agent 0.01%～5%, defoamer 0.01%～2%, deionized water add to 100%.
When making microcapsule suspension-suspending agent, composition comprises following component and content: active components A 0.5%～50%, active component B0.5%～50%, macromolecule cyst material 1%～12%, dispersant 1%～12%, wetting agent 1%～8%, solvent 1%～15%, emulsifier 1%～8%, defoamer 0.01%～2%, thickener 0～2%, pH adjusting agent 0.01%～5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspending agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) expanded fungicidal spectrum, multiple diseases has been had to greater activity as downy mildew, rice blast, false smut, banded sclerotial blight, powdery mildew, stalk break, anthracnose, epidemic disease, spot defoliation, brown spot, white rot, scab, ring spot, rust etc.
Embodiment
Below in conjunction with embodiment, to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1～11 wetting powder
Fluorine azoles bacterium aniline, 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.
The each component of table 1 embodiment 1～11 and content
Embodiment 12～22 water dispersible granules
Fluorine azoles bacterium aniline, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained to the particle diameter needing through air-flow crushing together, then add other auxiliary agents such as binding agent (can add and can not add), obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, can make water dispersible granules product of the present invention, specifically in table 2.
The each component of table 2 embodiment 12～22 and content
Embodiment 23～33 suspending agents
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), mix through high speed shear, add fluorine azoles bacterium aniline, active component B, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μ m, surplus is supplied by deionized water, can make suspending agent product of the present invention, specifically in table 3.
The each component of table 3 embodiment 23～33 and content
Embodiment 34～38 aqueous emulsions
Fluorine azoles bacterium aniline, active component B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase, make aqueous emulsion product of the present invention.Specifically in table 4.
The each component of table 4 embodiment 34～38 and content
Embodiment 39～43 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add active component B, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make active component B suspending agent, then by fluorine azoles bacterium aniline, 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 5.
The each component of table 5 embodiment 39～43 and content
Mancozeb in 1-5, Carbatene, zineb exchange will be shown, novel formulation can be made.
Embodiment 44～46 microemulsions
Fluorine azoles bacterium aniline, 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 6.
The each component of table 6 embodiment 44～46 and content
Embodiment 47～49 microcapsule suspending agents
By fluorine azoles bacterium aniline, active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, defoamer, surplus is supplied by deionized water, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in table 7.
The each component of table 7 embodiment 47～49 and content
Embodiment 50～52 microcapsule suspensions--suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add fluorine azoles bacterium aniline, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, makes the finely disseminated microcapsule suspension-suspending agent of present composition product.Specifically in table 8.
The each component of table 8 embodiment 50～52 and content
In table 6～8, active component B is mancozeb, Carbatene or zineb.
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 processing by active constituent content, establishes clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt mycelial growth rate method to measure the virulence of medicament to crop germ.After 72h, measure colony diameter by right-angled intersection method, calculate each processing net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Control group net growth-processed group net growth
Mycelial growth inhibition rate (%)=---------------× 100
Control group net growth
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value to (x), tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates thus the EC of every kind of medicament
50value.Calculate the different proportioning synergy ratios of two medicaments (SR) according to Wadley method, 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 azoles bacterium aniline;
B is selected from the one in mancozeb, Carbatene or zineb.
Application Example two:
For examination disease: cucumber downy mildew, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: effective inhibition concentration scope of determining fluorine azoles bacterium aniline and the two different proportioning mixture of mancozeb through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to cucumber downy mildew of table 9 fluorine azoles bacterium aniline and mancozeb
As shown in Table 9, the proportioning of fluorine azoles bacterium aniline and the composite control cucumber downy mildew of mancozeb is in the time of 1 ︰ 80～60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80～60 ︰ 1 scopes, the proportioning of fluorine azoles bacterium aniline and mancozeb was at 1: 24～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.15.Test and find that the proportioning of fluorine azoles bacterium aniline and mancozeb is 10 ︰ 1,5 ︰ 1,1 ︰ 1,1 ︰ 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 ︰ 21,1 ︰ 22,1 ︰ 23,1 ︰ 24 through applicant, synergy ratio maximum when wherein fluorine azoles bacterium aniline and mancozeb weight ratio are 1:12, synergistic effect is the most obvious.
Application Example three:
For examination disease: alternaria leaf spot of apple, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: effective inhibition concentration scope of determining fluorine azoles bacterium aniline and the former medicine of Carbatene 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 10 fluorine azoles bacterium aniline and Carbatene
As shown in Table 10, the proportioning of fluorine azoles bacterium aniline and the composite control alternaria leaf spot of apple of Carbatene is in the time of 1 ︰ 80～60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80～60 ︰ 1 scopes, the proportioning of fluorine azoles bacterium aniline and Carbatene was at 1: 30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Test and find that the proportioning of fluorine azoles bacterium aniline and Carbatene is 10 ︰ 1,5 ︰ 1,1 ︰ 1,1 ︰ 2,1 ︰ 3,1 ︰ 4,1 ︰ 5,1 ︰ 6,1 ︰ 7,1 ︰ 8,1 ︰ 9,1 ︰ 10,1 ︰ 11,1 ︰ 16,1 ︰ 17,1 ︰ 18,1 ︰ 19,1 ︰ 20,1 ︰ 25,1 ︰ 30 through applicant, synergy ratio maximum when wherein fluorine azoles bacterium aniline and Carbatene weight ratio are 1:9, synergistic effect is the most obvious.
Application Example four:
For examination disease: tomato blight, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: effective inhibition concentration scope of determining fluorine azoles bacterium aniline and the former medicine of zineb and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to tomato blight of table 11 fluorine azoles bacterium aniline and zineb
As shown in Table 11, the proportioning of fluorine azoles bacterium aniline and the composite control tomato blight of zineb is in the time of 1 ︰ 80～60 ︰ 1, synergy ratio SR is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80～60 ︰ 1 scopes, the proportioning of fluorine azoles bacterium aniline and zineb was at 1: 30～10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Test and find that the proportioning of fluorine azoles bacterium aniline and zineb is 10 ︰ 1,5 ︰ 1,1 ︰ 1,1 ︰ 2,1 ︰ 3,1 ︰ 4,1 ︰ 5,1 ︰ 6,1 ︰ 7,1 ︰ 8,1 ︰ 9,1 ︰ 10,1 ︰ 11,1 ︰ 16,1 ︰ 17,1 ︰ 18,1 ︰ 19,1 ︰ 20,1 ︰ 25,1 ︰ 30 through applicant, synergy ratio maximum when wherein fluorine azoles bacterium aniline and zineb weight ratio are 1:9, synergistic effect is the most obvious.
Find through test: after fluorine azoles bacterium aniline and active component B are composite, the control of the downy mildew in various crop, rice blast, false smut, banded sclerotial blight, powdery mildew, stalk break, anthracnose, epidemic disease, spot defoliation, brown spot, white rot, scab, ring spot, rust 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 Meibang Pesticide Co., Ltd., contrast medicament 20% fluorine azoles bacterium aniline suspending agent (autogamy), 70% mancozeb wettable powder (commercial), 70% Carbatene water dispersible granules (commercial), 65% Zineb wettable powder (commercial).Application Example five fluorine azoles bacterium aniline and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This experimental establishment, in Jingyang County, Shaanxi Province, is investigated the cucumber downy mildew state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.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 12 fluorine azoles bacterium aniline and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 12, fluorine azoles bacterium aniline and active component B and composite after can effectively prevent and treat cucumber downy 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.Scab of cucumber, powdery mildew, stalk break are also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example hexafluoro azoles bacterium aniline and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement, in Xi'an City, Shanxi 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, dispenser in every 7 days once, is total to dispenser 2 times.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 13 fluorine azoles bacterium aniline and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 13, fluorine azoles bacterium aniline and active component B and composite after 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, target crop is had no adverse effects in scope of medication in test.Anthracnose of tomato is had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example seven fluorine azoles bacterium aniline and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Hanzhong City, is investigated the rice blast state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 14 fluorine azoles bacterium aniline and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 14, fluorine azoles bacterium aniline and active component B and composite rear efficiency control rice blast thereof, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.Rice sheath blight disease, false smut are also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example octafluoro azoles bacterium aniline and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This test arrangement, in Dali County, Shaanxi Province, is investigated the wheat powdery mildew state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.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 15 fluorine azoles bacterium aniline and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 15, fluorine azoles bacterium aniline 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.Wheat rust, banded sclerotial blight are also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
Application Example nine fluorine azoles bacterium aniline 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, dispenser in every 7 days once, is total to dispenser 2 times.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 16 fluorine azoles bacterium aniline and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 16, fluorine azoles bacterium aniline and active component B and composite after 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.In test scope of medication, target crop is had no adverse effects.Apple mildew, anthracnose, ring spot are also had to good preventive effect, preventive effect is up to more than 96% simultaneously.
After draw through different local throughout the country tests, fluorine azoles bacterium aniline and mancozeb, Carbatene, zineb composite rear to the preventive effect of the Common Diseases such as the downy mildew in various crop, rice blast, false smut, banded sclerotial blight, powdery mildew, stalk break, anthracnose, epidemic disease, spot defoliation, brown spot, white rot, scab, ring spot, rust all 95% with on excellent, in single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the bactericidal composition of a fluorine-containing azoles bacterium aniline and thiocarbamates, effective active composition is active components A and active component B, it is characterized in that: the weight ratio of active components A and active component B is 1: 80～60: 1, described active components A is selected from fluorine azoles bacterium aniline, and active component B is selected from the one in mancozeb, Carbatene or zineb.
2. the bactericidal composition of fluorine-containing azoles bacterium aniline according to claim 1 and thiocarbamates, is characterized in that: the weight ratio of active components A and active component B is 1:60～40: 1.
3. the bactericidal composition of fluorine-containing azoles bacterium aniline according to claim 2 and thiocarbamates, is characterized in that:
The weight ratio of fluorine azoles bacterium aniline and mancozeb is 1: 24～10: 1;
The weight ratio of fluorine azoles bacterium aniline and Carbatene is 1: 30～10: 1;
The weight ratio of fluorine azoles bacterium aniline and zineb is 1: 30～10: 1.
4. according to the fluorine-containing azoles bacterium aniline described in any one in claim 1～3 and the bactericidal composition of thiocarbamates, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent or microcapsule suspension-suspending agent.
5. the bactericidal composition of fluorine-containing azoles bacterium aniline according to claim 4 and thiocarbamates is for preventing and treating the purposes of crop pest.
6. purposes according to claim 5, is characterized in that: described disease is downy mildew, rice blast, false smut, banded sclerotial blight, powdery mildew, stalk break, anthracnose, epidemic disease, spot defoliation, brown spot, white rot, scab, ring spot or rust.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1533380A (en) * | 2001-07-25 | 2004-09-29 | �ݶ�ũ�����ѧ�ɷݹ�˾ | N-pyrazolylcarboxanilides as fungicides |
| CN102469786A (en) * | 2009-07-07 | 2012-05-23 | 拜尔农作物科学股份公司 | Process for improving seedling growth and/or early emergence of crops |
| CN102640756A (en) * | 2003-10-23 | 2012-08-22 | 拜尔农作物科学股份公司 | Synergistic fungicidal active combinations |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1533380A (en) * | 2001-07-25 | 2004-09-29 | �ݶ�ũ�����ѧ�ɷݹ�˾ | N-pyrazolylcarboxanilides as fungicides |
| CN102640756A (en) * | 2003-10-23 | 2012-08-22 | 拜尔农作物科学股份公司 | Synergistic fungicidal active combinations |
| CN102469786A (en) * | 2009-07-07 | 2012-05-23 | 拜尔农作物科学股份公司 | Process for improving seedling growth and/or early emergence of crops |
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