CN104012554A - Compound microbicide composition containing fluorine mepanipyrim - Google Patents
Compound microbicide composition containing fluorine mepanipyrim Download PDFInfo
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Abstract
The invention discloses a compound microbicide composition containing fluorine mepanipyrim; the microbicide composition comprises an active component A and an active component B, wherein the active component A is selected from fluorine mepanipyrim; the active component B is selected from any of the following compounds: polyoxins, kasugamycin, validamycin, pyrimidine nucleoside antibiotic and brevibacillus laterosporus; the weight ratio of the active component A to the active component B is (1 to 80)-(60 to 1). The compound microbicide composition has the synergism on multiple diseases which are harmful to the agricultural production, so that the dosage of pesticides is reduced, the amount of residue of the pesticides on crops can be reduced, and the environmental pollution is reduced; furthermore, the compound microbicide composition is safe to people and livestock and good in environmental compatibility, and the diseases have difficulty in generating drug resistance.
Description
Technical field
The invention belongs to technical field of pesticide, the application of the combination sterilization composition that relates to a kind of fluorine-containing mepanipyrim on corps diseases.
Background technology
Any conk phase that fluorine mepanipyrim forms from conidia germination to conidiophore, can suppress immediately growth.Its chemical constitution is different from existing bactericide, and same triazole type, dithiocarbamate, benzimidazole and other classes comprise that antibiotic etc. is without cross resistance, therefore its to sensitivity or resistance cause of disease because all there being excellent activity.Suitable crop cereal crop, ornamental plants are as rose, chrysanthemum etc.To crop safety to 51 kinds of roses, 17 kinds of chrysanthemums safety, without poisoning.Controlling object powdery mildew and rust etc.
Polyoxin, kasugarnycin, jinggangmeisu, antibiotic in pyrimidine nucleoside class, Brevibacillus laterosporus all belong to common fungicide, be widely used in the disease of crops, because antibiotic in pyrimidine nucleoside class is referred to as pesticide corrosion 120, below all with pesticide corrosion 120 substitute antibiotic in pyrimidine nucleoside class.
But 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 sterilization 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 after fluorine mepanipyrim and polyoxin, kasugarnycin, jinggangmeisu, pesticide corrosion 120, Brevibacillus laterosporus is composite to produce good synergistic effect, and not yet open about the composite relevant report of fluorine mepanipyrim and polyoxin, kasugarnycin, jinggangmeisu, pesticide corrosion 120, Brevibacillus laterosporus.
Summary of the invention
The object of the invention is to propose a kind of combination sterilization composition with synergistic function, use cost is low, preventive effect is good fluorine-containing mepanipyrim.
The combination sterilization composition of the fluorine-containing mepanipyrim that the present invention proposes contains active components A and active component B, activity is divided into A and active component B weight ratio is 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from fluorine mepanipyrim, active component B is selected from the one in polyoxin, kasugarnycin, jinggangmeisu, pesticide corrosion 120, spore bacillus brevis, and active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 40 ︰ 1; More preferably the weight ratio of fluorine mepanipyrim and polyoxin is 1 ︰ 25 ~ 20 ︰ 1, the weight ratio of fluorine mepanipyrim and kasugarnycin is 1 ︰ 25 ~ 25 ︰ 1, the weight ratio of fluorine mepanipyrim and jinggangmeisu is 1 ︰ 25 ~ 20 ︰ 1, the weight ratio of fluorine mepanipyrim and pesticide corrosion 120 is 1 ︰ 25 ~ 20 ︰ 1, and the weight ratio of fluorine mepanipyrim and Brevibacillus laterosporus is 1 ︰ 30 ~ 20 ︰ 1; Most preferably be: the weight ratio of fluorine mepanipyrim and polyoxin or jinggangmeisu or pesticide corrosion 120 is 1 ︰ 9 ~ 4 ︰ 1, the weight ratio of fluorine mepanipyrim and kasugarnycin is 1 ︰ 4 ~ 4 ︰ 1, and the weight ratio of fluorine mepanipyrim and Brevibacillus laterosporus is 1 ︰ 9 ~ 1 ︰ 1.
The combination sterilization composition of the fluorine-containing mepanipyrim 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, rust, downy mildew, epidemic disease, leaf mold, rust, gray mold, brown spot, damping off, fusarium wilt, spot defoliation, ring spot, banded sclerotial blight, rice blast, anthracnose, peronospora tabacina, angular leaf spot, false smut or bakanae disease.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 60 ︰ 1.Conventionally in composition, the weight percentage of active component is gross weight 0.5%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Conventionally, liquid preparation contains 1%～70% 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 5%～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 common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer, disintegrant, antifreeze etc.
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 or microcapsule suspending agent, can also make aqua, soluble powder, soluble granula, suspension emulsion or microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following constituent content: active components A 0.1% ~ 60%, active component B0.1% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
When making water dispersible granules, composition comprises following constituent content: active components A 0.1% ~ 60%, active component B0.1% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
When making suspending agent, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 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 aqueous emulsion, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water are supplied surplus.
When making microemulsion, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, solvent 1% ~ 30%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water are supplied surplus.
When making microcapsule suspending agent, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, organic solvent 1% ~ 10%, emulsifier 1% ~ 7%, defoamer 0.01% ~ 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:
Microcapsule suspending agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) fluorine mepanipyrim and polyoxin, kasugarnycin, jinggangmeisu, pesticide corrosion 120, Brevibacillus laterosporus composite after, there is obvious synergy and lasting effect; (2) disease on 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 is all had to greater activity; (3) reduce agricultural chemicals dosage, reduced the residual quantity of agricultural chemicals on crop, alleviated environmental pollution; (4), to person poultry safety, Environmental compatibility is good; And preparation adhesion strength strengthens, resistance of rainwater washing against.
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 1～20 wetting powder
Fluorine mepanipyrim, active component B, dispersant, wetting agent, filler are mixed in mixed cylinder, after airslide disintegrating mill is pulverized, mix again, can make wetting powder product of the present invention, specifically in table 1.
The each component of table 1 embodiment 1～20 and weight portion
Embodiment 2140 water dispersible granules
Fluorine mepanipyrim, 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 21～40 and weight portion
Embodiment 41～50 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 mepanipyrim, 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 41～50 and weight portion
Embodiment 51～60 aqueous emulsions
Fluorine mepanipyrim, 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, surplus is supplied by deionized water; Can make aqueous emulsion product of the present invention, specifically in table 4.
The each component of table 4 embodiment 51～60 and weight portion
Polyoxin, kasugarnycin, jinggangmeisu, pesticide corrosion 120, Brevibacillus laterosporus in table 1 ~ 4 are exchanged, can make novel formulation.
Embodiment 61～63 microemulsions
Fluorine mepanipyrim, active component B, solvent, emulsifier, antifreeze (can add and can not add), defoamer are fully mixed into the oil phase of homogeneous transparent, under agitation slowly add deionized water, form WO emulsion, again through agitating heating, make it rapid phase inversion and become oil-in-water type, be chilled to room temperature and make it to reach balance, after filtration, surplus is supplied by deionized water; Can make microemulsion product of the present invention, specifically in table 5.
The each component of table 5 embodiment 6163 and weight portion
Embodiment 64,65 microcapsule suspending agents
By fluorine mepanipyrim, 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, 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 6.
Table 6 embodiment 64,65 each component and weight portions
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
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 EC50 value of every kind of medicament.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 mepanipyrim;
B is selected from the one in polyoxin, kasugarnycin, jinggangmeisu, pesticide corrosion 120, Brevibacillus laterosporus.
Application Example two:
For trying disease: powdery mildew of cucumber
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and polyoxin and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to powdery mildew of cucumber of table 7 fluorine mepanipyrim and polyoxin
As shown in Table 7, fluorine mepanipyrim and the polyoxin proportioning synergy ratio SR to powdery mildew of cucumber in the time of 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine mepanipyrim and polyoxin is during at 1 ︰ 25 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Test and find that the optimum ratio of fluorine mepanipyrim and polyoxin is 20:1,15:1,10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:13,1:15,1:20,1:25 through applicant, especially synergy ratio maximum in the time that fluorine mepanipyrim and polyoxin weight ratio are 1:3, synergistic effect is the most obvious.
Application Example three
For trying disease: rice blast
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and kasugarnycin and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to rice blast of table 8 fluorine mepanipyrim and kasugarnycin
As shown in Table 8, fluorine mepanipyrim and the kasugarnycin proportioning synergy ratio SR to rice blast in the time of 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine mepanipyrim and kasugarnycin is during at 1 ︰ 25 ~ 25 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.15.Test and find that the optimum ratio of fluorine mepanipyrim and kasugarnycin is 25:1,20:1,15:1,10:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:10,1:12,1:15,1:20,1:25 through applicant, especially synergy ratio maximum in the time that fluorine mepanipyrim and kasugarnycin weight ratio are 1:1, synergistic effect is the most obvious.
Application Example four
For trying disease: rice green smut
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and jinggangmeisu and the two different proportioning mixture through preliminary experiment.
Table 9 fluorine mepanipyrim and the composite jinggangmycin toxicity test analysis of results table to rice green smut
As shown in Table 9, fluorine mepanipyrim and the jinggangmeisu proportioning synergy ratio SR to rice green smut in the time of 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine mepanipyrim and jinggangmeisu is during at 1 ︰ 25 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Test and find that the optimum ratio of fluorine mepanipyrim and jinggangmeisu is 20:1,15:1,10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:13,1:15,1:20,1:25 through applicant, especially synergy ratio maximum in the time that fluorine mepanipyrim and jinggangmeisu weight ratio are 1:3, synergistic effect is the most obvious.
Application Example five
For trying disease: flowers powdery mildew
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and pesticide corrosion 120 and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to flowers powdery mildew of table 10 fluorine mepanipyrim and pesticide corrosion 120
As shown in Table 10, fluorine mepanipyrim and the pesticide corrosion 120 proportioning synergy ratio SR to flowers powdery mildew in the time of 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine mepanipyrim and pesticide corrosion 120 is during at 1 ︰ 25 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.In the time that applicant tests the optimum ratio of finding fluorine mepanipyrim and pesticide corrosion 120 and is 20:1,15:1,10:1,8:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, especially synergy ratio maximum in the time that fluorine mepanipyrim and pesticide corrosion 120 weight ratio are 1:2, synergistic effect is the most obvious.
Application Example six
For trying disease: capsicum epidemic disease
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining the former medicine of fluorine mepanipyrim and Brevibacillus laterosporus and the two different proportioning mixture through preliminary experiment.
The composite toxicity test analysis of results table to capsicum epidemic disease of table 11 fluorine mepanipyrim and Brevibacillus laterosporus
As shown in Table 11, fluorine mepanipyrim and the Brevibacillus laterosporus proportioning synergy ratio SR to capsicum epidemic disease in the time of 1 ︰ 80 ~ 60 ︰ 1 is all greater than 1.5, illustrate that both all show synergistic effect at mixture in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of fluorine mepanipyrim and Brevibacillus laterosporus is during at 1 ︰ 30 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.In the time that applicant tests the optimum ratio of finding fluorine mepanipyrim and Brevibacillus laterosporus and is 20:1,15:1,10:1,8:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:15,1:20,1:25,1:30, especially synergy ratio maximum in the time that fluorine mepanipyrim and Brevibacillus laterosporus weight ratio are 1:5, synergistic effect is the most obvious.
Find through test: after fluorine mepanipyrim and active component B are composite, the control of the powdery mildew in various crop, rust, downy mildew, epidemic disease, leaf mold, rust, gray mold, brown spot, damping off, fusarium wilt, spot defoliation, ring spot, banded sclerotial blight, rice blast, anthracnose, peronospora tabacina, angular leaf spot, false smut or bakanae disease is had to obvious synergistic effect, synergy ratio SR is all greater than 1.5.
Effect experiment part: test medicine is researched and developed, provided by Shaanxi Meibang Pesticide Co., Ltd., contrast medicament 10% fluorine mepanipyrim missible oil (autogamy), 3% polyoxin wetting powder (commercial), 2% kasugarnycin wetting powder (commercial), 5% jinggangmeisu aqua (commercial), 2% pesticide corrosion 120 aqua (commercial), 10,000,000,000 spores/gram Brevibacillus laterosporus wetting powder (autogamy).Application Example seven fluorine mepanipyrims and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof.
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation powdery mildew of cucumber disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 3 days, 7 days, 15 days.Result of the test is as follows:
Table 12 fluorine mepanipyrim 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 12, after fluorine mepanipyrim and active component B are composite, can effectively prevent and treat powdery mildew of cucumber, test and find that fluorine mepanipyrim and active component B also can effectively prevent and treat cucumber fusarium axysporum, damping off, downy mildew, epidemic disease, angular leaf spot after composite through applicant, control efficiency is all higher than 95%, be 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 octafluoro mepanipyrim and active component B and the composite cladosporium leaf and fruit mould of tomato test of pesticide effectiveness of preventing and treating thereof.
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation cladosporium leaf and fruit mould of tomato disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 5 days, 15 days, 30 days.Result of the test is as follows:
Table 13 chlorine mepanipyrim and active component B and the composite cladosporium leaf and fruit mould of tomato test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 13, after fluorine mepanipyrim and active component B are composite, can effectively prevent and treat cladosporium leaf and fruit mould of tomato, test and find that fluorine mepanipyrim and active component B also can effectively prevent and treat tomato rust, gray mold, anthracnose after composite through applicant, control efficiency is all higher than 96%, be 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 mepanipyrims and active component B and the composite control rice blast test of pesticide effectiveness thereof.
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation rice blast disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 3 days, 7 days, 15 days.Result of the test is as follows:
Table 14 fluorine mepanipyrim and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 14, fluorine mepanipyrim and active component B and composite control rice blast thereof, test and find that fluorine mepanipyrim and active component B also can effectively prevent and treat rice sheath blight disease, powdery mildew, false smut, bakanae disease after composite through applicant, control efficiency is all higher than 95%, be 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 mepanipyrims and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof.
This test arrangement is in Weinan City Pucheng County, Shaanxi Province, and investigation wheat rust disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 3 days, 10 days, 20 days.Result of the test is as follows:
Table 15 fluorine mepanipyrim and active component B and the composite wheat rust test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 15, after fluorine mepanipyrim and active component B are composite, can effectively prevent and treat wheat rust, test and find that fluorine mepanipyrim and active component B also can effectively prevent and treat wheat brown spot after composite through applicant, control efficiency is all higher than 95%, be 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 mepanipyrims and active component B and the composite control grape powdery mildew test of pesticide effectiveness thereof.
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation grape powdery mildew disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 10 days, 20 days, 30 days.Result of the test is as follows:
Table 16 fluorine mepanipyrim and active component B and the composite control grape powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 16, after fluorine mepanipyrim and active component B are composite, can effectively prevent and treat grape powdery mildew, test and find that fluorine mepanipyrim and active component B also can effectively prevent and treat downy mildew of garpe, gray mold after composite through applicant, control efficiency is all higher than 96%, be 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 mepanipyrims and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof.
This test arrangement is at Shaanxi Province's Weinan City Baishui County, and investigation alternaria leaf spot of apple disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease indexes and calculate preventive effect for after dispenser 7 days, 14 days, 25 days.Result of the test is as follows:
Table 17 fluorine mepanipyrim and active component B and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 17, after fluorine mepanipyrim and active component B are composite, can effectively prevent and treat alternaria leaf spot of apple, test and find that fluorine mepanipyrim and active component B also can effectively prevent and treat apple mildew, rust, ring spot after composite through applicant, control efficiency is all higher than 96%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After draw through different local throughout the country tests, fluorine mepanipyrim and polyoxin, kasugarnycin, jinggangmeisu, pesticide corrosion 120, Brevibacillus laterosporus composite rear to the preventive effect of the Common Diseases such as the powdery mildew in various crop, rust, downy mildew, epidemic disease, leaf mold, rust, gray mold, brown spot, damping off, fusarium wilt, spot defoliation, ring spot, banded sclerotial blight, rice blast, anthracnose, peronospora tabacina, angular leaf spot, false smut or bakanae disease all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the combination sterilization composition of a fluorine-containing mepanipyrim, effective active composition is active components A and active component B, it is characterized in that: active components A and active component B weight ratio are 1: 80 ~ 60: 1, described active components A is selected from fluorine mepanipyrim, and active component B is selected from the one in polyoxin, kasugarnycin, jinggangmeisu, antibiotic in pyrimidine nucleoside class or Brevibacillus laterosporus.
2. the combination sterilization composition of fluorine-containing mepanipyrim 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. the combination sterilization composition of fluorine-containing mepanipyrim according to claim 2, is characterized in that:
The weight ratio of fluorine mepanipyrim and polyoxin is 1: 25 ~ 20: 1;
The weight ratio of fluorine mepanipyrim and kasugarnycin is 1: 25 ~ 25: 1;
The weight ratio of fluorine mepanipyrim and jinggangmeisu is 1: 25 ~ 20: 1;
The weight ratio of fluorine mepanipyrim and antibiotic in pyrimidine nucleoside class is 1: 25 ~ 20: 1;
The weight ratio of fluorine mepanipyrim and Brevibacillus laterosporus is 1: 30 ~ 20: 1.
4. according to the combination sterilization composition of the fluorine-containing mepanipyrim described in any one in claims 1 to 3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion or microcapsule suspending agent.
5. the combination sterilization composition of fluorine-containing mepanipyrim according to claim 4 is for preventing and treating the purposes of disease on crops.
6. purposes according to claim 5, is characterized in that: described disease comprises powdery mildew, rust, downy mildew, epidemic disease, leaf mold, rust, gray mold, brown spot, damping off, fusarium wilt, spot defoliation, ring spot, banded sclerotial blight, rice blast, anthracnose, peronospora tabacina, angular leaf spot, false smut or bakanae disease.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067852A (en) * | 2011-01-20 | 2011-05-25 | 陕西美邦农药有限公司 | Fungicide combination containing polyoxin and pyrimidine compound |
| 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 |
| WO2012076634A1 (en) * | 2010-12-08 | 2012-06-14 | Basf Se | Fungicidal mixtures comprising pyraclostrobin |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2012076634A1 (en) * | 2010-12-08 | 2012-06-14 | Basf Se | Fungicidal mixtures comprising pyraclostrobin |
| CN102067852A (en) * | 2011-01-20 | 2011-05-25 | 陕西美邦农药有限公司 | Fungicide combination containing polyoxin and pyrimidine compound |
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