CN103651413B - The bactericidal composition of a kind of fluorine azoles Acibenzolar and triazole type - Google Patents
The bactericidal composition of a kind of fluorine azoles Acibenzolar and triazole type Download PDFInfo
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- CN103651413B CN103651413B CN201210355323.3A CN201210355323A CN103651413B CN 103651413 B CN103651413 B CN 103651413B CN 201210355323 A CN201210355323 A CN 201210355323A CN 103651413 B CN103651413 B CN 103651413B
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Abstract
The invention discloses the bactericidal composition of a kind of fluorine azoles Acibenzolar and triazole type, bactericidal composition containing active components A and active component B, active components A is selected from fluorine azoles Acibenzolar, active component B is selected from any one compound following: tetraconazole, penconazole, Flusilazole, prothioconazoles, and the weight ratio of active components A and active component B is 1: 80 ~ 60: 1.The present composition has greater activity to the multiple diseases in various crop, and has obvious synergistic effect, expands fungicidal spectrum, and has that dosage is little, resistance of rainwater washing against, the obvious feature of synergy.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of bactericidal composition in crop pest of a kind of fluorine azoles Acibenzolar and triazole type.
Technical background
Fluorine azoles Acibenzolar is a class novel plant inducing anti-disease activator, and this compounds itself does not have bactericidal activity, and can produce the resistance infecting germ by inducing plant on live plant.
Tetraconazole, penconazole, Flusilazole, prothioconazoles all belong to triazole bactericidal agent, this kind of medicament is except to except oomycetes non-activity in Mastigomycotina, all activity is had to the pathogen of Ascomycotina, Basidiomycotina and Deuteromycotina, its mechanism of action, for affect sterols biosynthesis, makes somatic cells film function be damaged.
In the real process of agricultural production, the problem that controlling disease the most easily produces is the generation of disease drug resistance.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect clearly, very high composite just less of synergy ratio.Study through inventor, find fluorine azoles Acibenzolar and tetraconazole, penconazole, Flusilazole, prothioconazoles mutually composite, there is good synergistic effect within the specific limits, and about fluorine azoles Acibenzolar and tetraconazole, penconazole, Flusilazole, prothioconazoles relevant composite, there is not yet relevant report at home and abroad at present.
Summary of the invention
The object of the invention is to propose a kind of to there is synergistic function, the bactericidal composition of use cost is low, preventive effect is good fluorine azoles Acibenzolar and triazole type.
The present invention is achieved through the following technical solutions:
The bactericidal composition of a kind of fluorine azoles Acibenzolar and triazole type, containing 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 Acibenzolar, and active component B is selected from the one in tetraconazole, penconazole, Flusilazole, prothioconazoles; The weight ratio being preferably active components A and active component B is 1: 60 ~ 40: 1; The weight ratio being more preferably fluorine azoles Acibenzolar and tetraconazole is 1: 25 ~ 10: 1, the weight ratio of fluorine azoles Acibenzolar and penconazole is 1: 30 ~ 10: 1, the weight ratio of fluorine azoles Acibenzolar and Flusilazole is 1: 30 ~ 10: 1, and the weight ratio of fluorine azoles Acibenzolar and prothioconazoles is 1: 40 ~ 5: 1; Most preferably the weight ratio of fluorine azoles Acibenzolar and tetraconazole is 1: 14 ~ 4: 1, the weight ratio of fluorine azoles Acibenzolar and penconazole is 1: 14 ~ 4: 1, the weight ratio of fluorine azoles Acibenzolar and Flusilazole is 1: 19 ~ 4: 1, and the weight ratio of fluorine azoles Acibenzolar and prothioconazoles is 1: 24 ~ 1: 1.
Described fluorine azoles Acibenzolar and the bactericidal composition of triazole type, composition makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Described fluorine azoles Acibenzolar and the bactericidal composition of triazole type are for preventing and treating the disease of crop; Described crop comprises cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described disease comprises powdery mildew, smut, glume blight, moire disease, banded sclerotial blight, leaf spot, spot defoliation, scab, rust, leaf mold, fusarium wilt, stalk break, net blotch, gray mold, brown spot, balck shank.
In bactericidal composition of the present invention, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target disease.In usual composition, the weight percentage of active component is 1% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 60%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when 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 by user before use through diluting or directly using.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, antifreeze, disintegrant, defoamer etc.According to different dosage form, can also containing antifreeze known in those skilled in the art etc. in preparation.
Composition comprises following component and content when making wetting powder: active components A 0.1% ~ 60%, active component B 0.1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 0.5% ~ 60%, active component B 0.5% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following component and content when making suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspending agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: active components A 0.5% ~ 50%, active component B 0.5% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspendinagent 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) pesticide usage amount reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) fungicidal spectrum is expanded, to multiple diseases as powdery mildew, smut, glume blight, moire disease, banded sclerotial blight, leaf spot, spot defoliation, scab, rust, leaf mold, fusarium wilt, stalk break, net blotch, gray mold, brown spot, balck shank have greater activity.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1 ~ 12 wetting powder
By fluorine azoles Acibenzolar, active component B, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically in table 1,2.
The each component of table 1 embodiment 1 ~ 6 and content
The each component of table 2 embodiment 7 ~ 12 and content
Embodiment 13 ~ 24 water dispersible granules
Fluorine azoles Acibenzolar, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, then add other auxiliary agents such as binding agent (can add and can not add), obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, water dispersible granules product of the present invention can being obtained, specifically in table 3,4.
The each component of table 3 embodiment 13 ~ 18 and content
The each component of table 4 embodiment 19 ~ 24 and content
Embodiment 25 ~ 36 suspending agent
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 Acibenzolar, active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, surplus deionized water is supplied, and can obtain suspending agent product of the present invention, specifically in table 5,6.
The each component of table 5 embodiment 25 ~ 30 and content
The each component of table 6 embodiment 31 ~ 36 and content
Embodiment 37 ~ 48 aqueous emulsion
Fluorine azoles Acibenzolar, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, obtained aqueous emulsion product of the present invention.Specifically in table 7,8.
The each component of table 7 embodiment 37 ~ 42 and content
The each component of table 8 embodiment 43 ~ 48 and content
Tetraconazole, penconazole, Flusilazole, prothioconazoles in table 1 ~ 8 are exchanged, can novel formulation be obtained.
Embodiment 49 ~ 56 microemulsion
Fluorine azoles Acibenzolar, active component B are dissolved in and are equipped with in the homogenizer of solvent, by emulsifier, antifreeze (can add and can not add), defoamer, join above-mentioned solution is housed homogenizer in, surplus deionized water gives strong mixing and homogenize after supplying, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 9,10.
The each component of table 9 embodiment 49 ~ 52 and content
The each component of table 10 embodiment 53 ~ 56 and content
Embodiment 57 ~ 59 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add penconazole or Flusilazole or prothioconazoles, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then by fluorine azoles Acibenzolar, emulsifier, solvent and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 11.
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add fluorine azoles Acibenzolar, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained fluorine azoles Acibenzolar suspending agent, then by tetraconazole, emulsifier, solvent and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 11.
The each component of table 11 embodiment 57 ~ 59 and content
Embodiment 60 ~ 62 microcapsule suspending agent
By fluorine azoles Acibenzolar, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, 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 12.
The each component of table 12 embodiment 60 ~ 62 and content
Embodiment 63 ~ 65 microcapsule suspension-suspendinagent agent
By fluorine azoles Acibenzolar, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add penconazole or Flusilazole or prothioconazoles, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 13.
By tetraconazole, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, 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 Acibenzolar, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 13.
The each component of table 13 embodiment 63 ~ 65 and content
The embodiment of the present invention is the method adopting 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: determine that after the effective inhibition concentration scope of each medicament, medicament establishes 5 dosage process respectively by active constituent content through prerun, if clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt mycelial growth rate method to measure medicament to the virulence of crop germ.Measure colony diameter by right-angled intersection method after 72h, calculate each 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), tries to achieve virulence regression equation (y=a+bx), and calculate the EC of often kind of medicament thus with method of least squares
50value.Calculate two medicament different ratio synergies ratio (SR) according to Wadley method, SR < 0.5 is antagonism, and 0.5≤SR≤1.5 are summation action simultaneously, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and the ratio of active component B shared by combination;
A is fluorine azoles Acibenzolar;
B is selected from the one in tetraconazole, penconazole, Flusilazole, prothioconazoles.
Application Example two:
For examination disease: powdery mildew of strawberry, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of both preliminary experiment determination fluorine azoles Acibenzolar and tetraconazole different ratio mixture.
Toxicity test result
Table 14 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to powdery mildew of strawberry of tetraconazole
As shown in Table 14, the proportioning of fluorine azoles Acibenzolar and the composite control powdery mildew of strawberry of tetraconazole is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine azoles Acibenzolar and tetraconazole is 1: 25 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding fluorine azoles Acibenzolar and tetraconazole is 10: 1,9: 1,8: 1,7: 1,6: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 15,1: 20,1: 25, when wherein fluorine azoles Acibenzolar and tetraconazole weight ratio are 2:5, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: grape powdery mildew, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine azoles Acibenzolar and the former medicine of penconazole and the two different ratio mixture
Toxicity test result
Table 15 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to grape powdery mildew of penconazole
As shown in Table 15, the proportioning of fluorine azoles Acibenzolar and the composite control grape powdery mildew of penconazole is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine azoles Acibenzolar and penconazole is 1: 30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Testing through applicant the proportioning finding fluorine azoles Acibenzolar and penconazole is 10: 1,9: 1,8: 1,7: 1,6: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 15,1: 20,1: 25,1: 30, when wherein fluorine azoles Acibenzolar and penconazole weight ratio are 1:3, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For examination disease: pear scab, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine azoles Acibenzolar and flusilazole and the two different ratio mixture.
Toxicity test result
Table 16 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to pear scab of Flusilazole
As shown in Table 16, the proportioning of fluorine azoles Acibenzolar and the composite control pear scab of Flusilazole is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine azoles Acibenzolar and Flusilazole is 1: 30 ~ 10: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding fluorine azoles Acibenzolar and Flusilazole is 10: 1,9: 1,8: 1,7: 1,6: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 15,1: 20,1: 25,1: 30, when wherein fluorine azoles Acibenzolar and Flusilazole weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For examination disease: wheat powdery mildew, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine azoles Acibenzolar and the former medicine of prothioconazoles and the two different ratio mixture.
Toxicity test result
Table 17 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to wheat powdery mildew of prothioconazoles
As shown in Table 17, the proportioning of fluorine azoles Acibenzolar and the composite control wheat powdery mildew of prothioconazoles is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine azoles Acibenzolar and prothioconazoles is 1: 40 ~ 5: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the proportioning finding fluorine azoles Acibenzolar and prothioconazoles is 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: 13,1: 14,1: 15,1: 16,1: 17,1: 18,1: 19,1: 20,1: 21,1: 22,1: 23,1: 24,1: 25,1: 30,1: 35,1: 40, when wherein fluorine azoles Acibenzolar and prothioconazoles weight ratio are 1:13, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test find: fluorine azoles Acibenzolar and active component B composite after have obvious synergistic effect to the control of the powdery mildew in various crop, smut, glume blight, moire disease, banded sclerotial blight, leaf spot, spot defoliation, scab, rust, leaf mold, fusarium wilt, stalk break, net blotch, gray mold, brown spot, balck shank, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided, contrast medicament 10% fluorine azoles Acibenzolar missible oil (autogamy), 4% tetraconazole aqueous emulsion (commercial), 10% penconazole missible oil (commercial), 10% Flusilazole aqueous emulsion (commercial), 20% prothioconazoles suspending agent (autogamy).
Application Example hexafluoro azoles Acibenzolar and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
This experimental establishment is in Jingyang County, Shaanxi Province, and the investigation powdery mildew of cucumber state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 18 fluorine azoles Acibenzolar and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 18, fluorine azoles Acibenzolar and active component B and composite after effectively can 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.Also have good preventive effect to gray mold of cucumber, and preventive effect is all higher than 96% simultaneously.
Application Example seven fluorine azoles Acibenzolar and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Weinan City, and the investigation wheat powdery mildew state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 3 days, 7 days, 15 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 19 fluorine azoles Acibenzolar and active component B and composite control wheat powdery mildew thereof are imitated and are tested
As can be seen from Table 19, fluorine azoles Acibenzolar and active component B and composite after effectively can 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, has no adverse effects in test scope of medication to target crop.Have good preventive effect to wheat net blotch, rust, moire disease, banded sclerotial blight, glume blight, stalk break, smut, and preventive effect is all higher than 96% simultaneously.
Application Example octafluoro azoles Acibenzolar and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, and the investigation pear scab state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 20 fluorine azoles Acibenzolar and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 20, fluorine azoles Acibenzolar and active component B and composite rear efficiency thereof prevent and treat pear scab, and 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 azoles Acibenzolar and active component B and compositely prevent and treat the scab of cucumber test of pesticide effectiveness
This test arrangement is in Jingyang County, Shaanxi Province, and investigation scab of cucumber feelings before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 21 fluorine azoles Acibenzolar and active component B and compositely prevent and treat the scab of cucumber test of pesticide effectiveness
As can be seen from Table 21, fluorine azoles Acibenzolar and active component B and composite after effectively can prevent and treat scab 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.Also have good preventive effect to cucumber fusarium axysporum, and preventive effect is all higher than 96% simultaneously.
Application Example ten fluorine azoles Acibenzolar and active component B and composite control alternaria leaf spot of apple thereof are imitated and are tested
This experimental establishment is at Shaanxi Province's Weinan City, and the investigation alternaria leaf spot of apple state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 22 fluorine azoles Acibenzolar and active component B and composite control alternaria leaf spot of apple thereof are imitated and are tested
As can be seen from Table 22, fluorine azoles Acibenzolar and active component B and composite after effectively can 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.Also have good preventive effect to apple marssonina leaf spot, and preventive effect is all higher than 96% simultaneously.
Application Example 11 fluorine azoles Acibenzolar and active component B and the composite water prevention rice sheath blight thereof are imitated and are tested
This experimental establishment is at Shaanxi Province's Hanzhong City, and the investigation rice sheath blight disease state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 23 fluorine azoles Acibenzolar and active component B and the composite water prevention rice sheath blight thereof are imitated and are tested
As can be seen from Table 23, fluorine azoles Acibenzolar and active component B and composite after can the effective water prevention rice sheath 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.
After draw through tests different local throughout the country, fluorine azoles Acibenzolar and tetraconazole, penconazole, Flusilazole, the composite rear preventive effect to Common Diseases such as the powdery mildew in various crop, smut, glume blight, moire disease, banded sclerotial blight, leaf spot, spot defoliation, scab, rust, leaf mold, fusarium wilt, stalk break, net blotch, gray mold, brown spot, balck shanks of prothioconazoles are all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the bactericidal composition of a fluorine azoles Acibenzolar and triazole type, it is characterized in that: active ingredient is 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 fluorine azoles Acibenzolar, and active component B is selected from the one in tetraconazole, penconazole, Flusilazole, prothioconazoles.
2. the bactericidal composition of fluorine azoles Acibenzolar according to claim 1 and triazole type, 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 azoles Acibenzolar according to claim 2 and triazole type, is characterized in that:
The weight ratio of fluorine azoles Acibenzolar and tetraconazole is 1: 25 ~ 10: 1;
The weight ratio of fluorine azoles Acibenzolar and penconazole is 1: 30 ~ 10: 1;
The weight ratio of fluorine azoles Acibenzolar and Flusilazole is 1: 30 ~ 10: 1;
The weight ratio of fluorine azoles Acibenzolar and prothioconazoles is 1: 40 ~ 5: 1.
4. the fluorine azoles Acibenzolar according to any one of claims 1 to 3 and the bactericidal composition of triazole type, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. the bactericidal composition of fluorine azoles Acibenzolar according to claim 4 and triazole type is for preventing and treating the purposes of crop pest.
6. purposes according to claim 5, is characterized in that: described disease comprises powdery mildew, smut, glume blight, moire disease, banded sclerotial blight, leaf spot, spot defoliation, scab, rust, leaf mold, fusarium wilt, stalk break, net blotch, gray mold, brown spot, balck shank.
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| CN109303061A (en) * | 2017-07-26 | 2019-02-05 | 浙江新农化工股份有限公司 | Composition and its preparation and application containing zinc thiazole and fluorine azoles Acibenzolar |
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