CN103704229B - Bactericidal composition containing fluorine azole activated ester - Google Patents
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Abstract
The invention discloses a bactericidal composition containing fluorine azole activated ester. The bactericidal composition contains an active component A and an active component B, the active component A is selected from fluorine azole activated ester, the active component B is selected from anyone of carbendazim, thiophanate methyl, prochloraz or its salts, and triflumizole, and a weight ratio of the active component A to the active component B is 1:80-60:1. The composition has a high activity against of a plurality of diseases on a plurality of crops, has an obvious synergistic effect and an enlarged sterilization spectrum, and also has the characteristics of small consumption, rain wash resistance and obvious synergy.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition in crop pest of fluorine-containing azoles Acibenzolar.
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.
The salt of Prochloraz comprises prochloraz-manganese chloride complex, prochloraz nantokite, prochloraz zinc salt.
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 carbendazim, thiophanate-methyl, Prochloraz or its salt, fluorine bacterium azoles mutually composite, there is good synergistic effect within the specific limits, and about fluorine azoles Acibenzolar and carbendazim, thiophanate-methyl, Prochloraz or its salt, fluorine bacterium azoles 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 bactericidal composition with synergistic function, use cost is low, preventive effect is good fluorine-containing azoles Acibenzolar.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition of fluorine-containing azoles Acibenzolar, 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 carbendazim, thiophanate-methyl, Prochloraz or its salt, fluorine bacterium azoles; 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 carbendazim is 1: 30 ~ 5: 1, the weight ratio of fluorine azoles Acibenzolar and thiophanate-methyl is 1: 40 ~ 5: 1, the weight ratio of fluorine azoles Acibenzolar and Prochloraz or its salt is 1: 30 ~ 5: 1, and the weight ratio of fluorine azoles Acibenzolar and fluorine bacterium azoles is 1: 20 ~ 10: 1; The weight ratio most preferably being fluorine azoles Acibenzolar and carbendazim is 1: 24 ~ 1: 1, the weight ratio of fluorine azoles Acibenzolar and thiophanate-methyl is 1: 29 ~ 1: 9, the weight ratio of fluorine azoles Acibenzolar and Prochloraz or its salt is 1: 19 ~ 1: 1, and the weight ratio of fluorine azoles Acibenzolar and fluorine bacterium azoles is 1: 14 ~ 4: 1.
The bactericidal composition of described fluorine-containing azoles Acibenzolar, composition makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
The bactericidal composition of described fluorine-containing azoles Acibenzolar is 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, head blight, rice blast, root rot, brown spot, scab, stem wilt, stalk break, ring spot, rotten mildew, downy mildew, anthracnose, banded sclerotial blight, leaf spot, spot defoliation, epidemic disease, smut, green mould, penicilliosis, blossom-end rot, anthrachose of grape, fusarium wilt, leaf blight.
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, 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 0.5% ~ 60%, active component B 0.5% ~ 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, head blight, rice blast, root rot, brown spot, scab, stem wilt, stalk break, ring spot, rotten mildew, downy mildew, anthracnose, banded sclerotial blight, leaf spot, spot defoliation, epidemic disease, smut, green mould, penicilliosis, blossom-end rot, anthrachose of grape, fusarium wilt, leaf blight etc. 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 ~ 11 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.
The each component of table 1 embodiment 1 ~ 11 and content
Embodiment 12 ~ 22 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 2.
The each component of table 2 embodiment 12 ~ 22 and content
Embodiment 23 ~ 33 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 3.
The each component of table 3 embodiment 23 ~ 33 and content
Embodiment 34 ~ 40 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 4.
The each component of table 4 embodiment 34 ~ 40 and content
Carbendazim, thiophanate-methyl, Prochloraz or its salt, fluorine bacterium azoles in table 1 ~ 4 are exchanged, can novel formulation be obtained.
Embodiment 41 ~ 43 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 5.
The each component of table 5 embodiment 41 ~ 43 and content
Embodiment 44 ~ 46 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 active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained active component B 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 6.
The each component of table 6 embodiment 44 ~ 46 and content
Embodiment 47 ~ 49 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 7.
The each component of table 7 embodiment 47 ~ 49 and content
Embodiment 50 ~ 52 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 active component B, 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 8.
The each component of table 8 embodiment 50 ~ 52 and content
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First pass through Toxicity Determination, 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 carry 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), liquor strength (μ g/mL) converts logarithm value (x) to, try to achieve virulence regression equation (y=a+bx) with method of least squares, and calculate the EC of often kind of medicament thus
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 carbendazim, thiophanate-methyl, Prochloraz or its salt, fluorine bacterium azoles.
Application Example two:
For examination disease: rice blast, 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 carbendazim different ratio mixture.
Toxicity test result
Table 9 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to rice blast of carbendazim
As shown in Table 9, the proportioning of fluorine azoles Acibenzolar and the composite control rice blast of carbendazim is when 1 ︰ 80 ~ 60 ︰ 1, 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 carbendazim is 1: 30 ~ 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 carbendazim is 1 ︰ 30,1 ︰ 25,1 ︰ 24,1 ︰ 23,1 ︰ 22,1 ︰ 21,1 ︰ 20,1 ︰ 19,1 ︰ 18,1 ︰ 17,1 ︰ 16,1 ︰ 15,1 ︰ 14,1 ︰ 13,1 ︰ 12,1 ︰ 11,1 ︰ 10,1 ︰ 5,1 ︰ 1,5 ︰ 1, when wherein fluorine azoles Acibenzolar and carbendazim weight ratio are 1:17, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: powdery mildew of cucumber, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine azoles Acibenzolar and thiophanate methyl raw pesticide and the two different ratio mixture
Toxicity test result
Table 10 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to powdery mildew of cucumber of thiophanate-methyl
As shown in Table 10, fluorine azoles Acibenzolar and the composite proportioning of preventing and treating powdery mildew of cucumber of thiophanate-methyl are when 1 ︰ 80 ~ 60 ︰ 1, 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 thiophanate-methyl is at 1 ︰ 40 ~ 5: 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 thiophanate-methyl is 1 ︰ 40,1 ︰ 35,1 ︰ 30,1 ︰ 29,1 ︰ 28,1 ︰ 27,1 ︰ 26,1 ︰ 25,1 ︰ 24,1 ︰ 23,1 ︰ 22,1 ︰ 21,1 ︰ 20,1 ︰ 19,1 ︰ 18,1 ︰ 17,1 ︰ 16,1 ︰ 15,1 ︰ 10,1 ︰ 5,1 ︰ 1,5 ︰ 1, when wherein fluorine azoles Acibenzolar and thiophanate-methyl weight ratio are 1:23, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For examination disease: citrus anthracnose, test medicine provides by Shaanxi Meibang Pesticide Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine azoles Acibenzolar and Prochloraz or the former medicine of its salt and the two different ratio mixture.
Toxicity test result
Table 11 fluorine azoles Acibenzolar and Prochloraz or the composite toxicity test analysis of results table to citrus anthracnose of its salt
As shown in Table 11, the proportioning of fluorine azoles Acibenzolar and Prochloraz or the composite control citrus anthracnose of its salt is when 1 ︰ 80 ~ 60 ︰ 1, 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 Prochloraz or its salt is 1: 30 ~ 5: 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 Prochloraz or its salt is 1 ︰ 30,1 ︰ 25,1 ︰ 24,1 ︰ 23,1 ︰ 22,1 ︰ 21,1 ︰ 20,1 ︰ 19,1 ︰ 18,1 ︰ 17,1 ︰ 16,1 ︰ 15,1 ︰ 14,1 ︰ 13,1 ︰ 12,1 ︰ 11,1 ︰ 10,1 ︰ 9,1 ︰ 8,1 ︰ 7,1 ︰ 6,1 ︰ 5,1 ︰ 1,5 ︰ 1, when wherein fluorine azoles Acibenzolar and Prochloraz or its salt weight ratio are 1:13, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
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 the former medicine of fluorine bacterium azoles and the two different ratio mixture.
Toxicity test result
Table 12 fluorine azoles Acibenzolar and the composite toxicity test analysis of results table to pear scab of fluorine bacterium azoles
As shown in Table 12, the proportioning of fluorine azoles Acibenzolar and the composite control pear scab of fluorine bacterium azoles is when 1 ︰ 80 ~ 60 ︰ 1, 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 fluorine bacterium azoles is 1: 20 ~ 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 fluorine bacterium azoles 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, when wherein fluorine azoles Acibenzolar and fluorine bacterium azoles weight ratio are 1:5, 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, head blight, rice blast, root rot, brown spot, scab, stem wilt, stalk break, ring spot, rotten mildew, downy mildew, anthracnose, banded sclerotial blight, leaf spot, spot defoliation, epidemic disease, smut, green mould, penicilliosis, blossom-end rot, anthrachose of grape, fusarium wilt, leaf blight, 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 suspending agent (autogamy), 40% carbendazim suspending agent (commercial), 500g/L thiophanate-methyl suspending agent (commercial), 25% Prochloraz wetting powder (commercial), 30% triflumizole wettable powder (commercial).
Application Example hexafluoro azoles Acibenzolar and active component B and the composite control rice blast test of pesticide effectiveness thereof
This experimental establishment is at Shaanxi Province's Hanzhong City, and the investigation rice blast 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 13 fluorine azoles Acibenzolar and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 13, fluorine azoles Acibenzolar and active component B and composite after effectively can prevent and treat rice blast, 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.Also have good preventive effect to rice sheath blight disease, false smut, and preventive effect is greater than 96% simultaneously.
Application Example seven fluorine azoles Acibenzolar and active component B and compositely prevent and treat the wheat scab test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City, and the investigation wheat 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 3 days, 7 days, 15 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 14 fluorine azoles Acibenzolar and active component B and compositely prevent and treat the wheat scab test of pesticide effectiveness
As can be seen from Table 14, fluorine azoles Acibenzolar and active component B and composite after effectively can prevent and treat wheat scab, 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.Also have good preventive effect to wheat powdery mildew, and preventive effect is greater than 96% simultaneously.
Application Example octafluoro azoles Acibenzolar and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
This test arrangement 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 15 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 16, fluorine azoles Acibenzolar and active component B and composite rear efficiency thereof prevent and treat powdery mildew of cucumber, 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 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 17 fluorine azoles Acibenzolar and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 17, fluorine azoles Acibenzolar and active component B and composite after effectively can prevent and treat pear scab, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten fluorine azoles Acibenzolar and active component B and the composite control citrus anthracnose test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and the investigation citrus anthracnose 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 the composite control citrus anthracnose test of pesticide effectiveness thereof
As can be seen from Table 18, fluorine azoles Acibenzolar and active component B and composite after effectively can prevent and treat citrus anthracnose, 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.Also have good preventive effect to oranges and tangerines blossom-end rot, green mould, penicilliosis, and preventive effect is greater than 96% simultaneously.
After draw through tests different local throughout the country, fluorine azoles Acibenzolar and carbendazim, thiophanate-methyl, Prochloraz or its salt, fluorine bacterium azoles is composite rear to the powdery mildew in various crop, head blight, rice blast, root rot, brown spot, scab, stem wilt, stalk break, ring spot, rotten mildew, downy mildew, anthracnose, banded sclerotial blight, leaf spot, spot defoliation, epidemic disease, smut, green mould, penicilliosis, blossom-end rot, anthrachose of grape, fusarium wilt, the preventive effect of the Common Diseases such as leaf blight 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 Acibenzolar, it is characterized in that: 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 carbendazim, thiophanate-methyl, Prochloraz or its salt, fluorine bacterium azoles.
2. the bactericidal composition of fluorine-containing azoles Acibenzolar 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 bactericidal composition of fluorine-containing azoles Acibenzolar according to claim 2, is characterized in that:
The weight ratio of fluorine azoles Acibenzolar and carbendazim is 1: 30 ~ 5: 1;
The weight ratio of fluorine azoles Acibenzolar and thiophanate-methyl is 1: 40 ~ 5: 1;
The weight ratio of fluorine azoles Acibenzolar and Prochloraz or its salt is 1: 30 ~ 5: 1;
The weight ratio of fluorine azoles Acibenzolar and fluorine bacterium azoles is 1: 20 ~ 10: 1.
4. the bactericidal composition of the fluorine-containing azoles Acibenzolar according to any one of claims 1 to 3, 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-containing azoles Acibenzolar according to claim 4 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, head blight, rice blast, root rot, brown spot, scab, stem wilt, stalk break, ring spot, rotten mildew, downy mildew, anthracnose, banded sclerotial blight, leaf spot, spot defoliation, epidemic disease, smut, green mould, penicilliosis, blossom-end rot, anthrachose of grape, fusarium wilt, leaf blight.
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| CN201210372076.8A CN103704229B (en) | 2012-09-29 | 2012-09-29 | Bactericidal composition containing fluorine azole activated ester |
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| CN103960256B (en) * | 2013-01-29 | 2016-09-28 | 南通泰禾化工股份有限公司 | Composition pesticide containing fluorine azoles Acibenzolar |
| CN113575602B (en) * | 2021-09-13 | 2022-12-23 | 山东伽奇生物技术有限公司 | Powdery mildew resistant bactericidal active agent |
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Address after: 715500 Pucheng high tech Industrial Development Zone, Weinan, Shaanxi Patentee after: Shaanxi Mei Bang Pharmaceutical Group Limited by Share Ltd Address before: 715500 Shaanxi Pucheng Weinan County agricultural base industrial park Patentee before: Shaanxi Meibang Pesticide Co., Ltd. |