CN104642343A - Bactericidal composition containing zinc thiazole and triazole compounds - Google Patents
Bactericidal composition containing zinc thiazole and triazole compounds Download PDFInfo
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Abstract
The invention discloses a bactericidal composition containing zinc thiazole and triazole compounds, which includes an active component A and an active components B, wherein the active component A is the zinc thiazole and the active component B is selected from any one compounds in the group comprising: triticonazole, ipconazole, prothioconazole, tricyclazole and cyproconazole. The weight ratio of the active component A to the active component B is 1:60-80:1. The bactericidal composition is high in activity on various diseases on various crops, has a significant synergistic effect, is enlarged in bacteriocidal spectrum, is less in use amount, is rain-wash resistant and is significant in the synergistic effect.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition in crop pest containing zinc thiazole and triazole type.
Technical background
The structure of zinc thiazole forms sterilization by two groups.One is thiazolyl group, outer to bacterium unrestraint power at plant corpus, but is efficient therapeutic agent in plant corpus, and medicament is in the pitted vessel of plant, and bacterium is subject to grievous injury, and its cell wall is thinning disintegrates then, causes the death of bacterium.Two is zinc ions, has not only antifungal but also Bactericidal effect.Cation (H+, K+ etc.) on zinc ion in medicament and pathogen surface of cell membrane exchanges, and causes the protein coagulating on germ cell membrane to kill germ; Part zinc ion penetrates in pathogen cell, is combined with some enzyme, affects its activity, causes dysfunction, and germ thus exhaustion is dead.Under the acting in conjunction of two groups, kill germ more thorough, control efficiency is better, and controlling object is more extensive.
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 zinc thiazole and triticonazole, to plant bacterium azoles, prothioconazoles, tricyclazole, cyproconazole mutually composite, there is good synergistic effect within the specific limits, and about zinc thiazole and triticonazole, plant bacterium azoles, prothioconazoles, tricyclazole, cyproconazole are 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 ofly have that synergistic function, use cost are low, preventive effect is good containing the bactericidal composition of zinc thiazole and triazole type.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition containing zinc thiazole and triazole type, containing active components A and active component B, active components A and active component B weight ratio are 1: 60 ~ 80: 1, described active components A is selected from zinc thiazole, and active component B is selected from triticonazole, the one of planting in bacterium azoles, prothioconazoles, tricyclazole or cyproconazole; The weight ratio being preferably active components A and active component B is 1:40 ~ 60: 1; The weight ratio being more preferably zinc thiazole and triticonazole is 1: 10 ~ 20: 1, zinc thiazole is 1: 10 ~ 20: 1 with the weight ratio of kind bacterium azoles, the weight ratio of zinc thiazole and prothioconazoles is 1: 10 ~ 20: 1, the weight ratio of zinc thiazole and tricyclazole is 1: 20 ~ 20: 1, and the weight ratio of zinc thiazole and cyproconazole is 1: 10 ~ 20: 1.
Bactericidal composition of the present invention, acceptable formulation in any sterilization can be processed on demand, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, kind clothing suspending agent, aqueous emulsion, microemulsion, granule, can also make suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
The described bactericidal composition containing zinc thiazole and triazole type is for preventing and treating the disease of crop; Described crop is cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described disease is angular leaf spot, cecospora spot, canker, rice blast, smut, bakanae disease, numb pinta, stalk break, gray mold, black spot, brown spot, balck shank, rust, powdery mildew, leaf spot, scab.
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.Liquids in general 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% ~ 80%, active component B0.5% ~ 60%, 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% ~ 80%, active component B0.5% ~ 60%, 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 B0.5% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following constituent content when making suspension seed-coating agent: active components A 0.5% ~ 50%, active ingredient B0.5% ~ 50%, wetting agent 1.0% ~ 3.0%, dispersant 1.0% ~ 8.0%, film forming agent 0.5% ~ 5%, warning colouration 0.1% ~ 15%, antifreeze 3% ~ 10%, thickener 0.05% ~ 2.0%, water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following constituent content when making granule: active components A 0.5% ~ 80%, active component B0.5% ~ 60%, binding agent 0 ~ 8%, colouring agent 0.1%-2%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
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:
Suspension emulsion 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:
Granule 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 angular leaf spot, cecospora spot, canker, rice blast, smut, bakanae disease, numb pinta, stalk break, gray mold, black spot, brown spot, balck shank, rust, powdery mildew, leaf spot, scab 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 ~ 15 wetting powder
By zinc thiazole, 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 ~ 15 and content
Embodiment 16 ~ 30 water dispersible granules
Zinc thiazole, 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 16 ~ 30 and content
Embodiment 31 ~ 45 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 zinc thiazole, 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 31 ~ 45 and content
Embodiment 46 ~ 50 kinds of clothing suspending agents
By wetting agent, dispersant, film forming agent, warning colouration, antifreeze (can add and can not add), thickener (can add and can not add), mix through high speed shear, add zinc thiazole, 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 4.
The each component of table 4 embodiment 46 ~ 50 and content
Embodiment 51 ~ 55 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 zinc thiazole, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained thiazole zincium suspension agent, then by active component B, 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 5.
The each component of table 5 embodiment 51 ~ 55 and content
Triticonazole, kind bacterium azoles, prothioconazoles, tricyclazole, cyproconazole in table 1 ~ 5 are exchanged, can novel formulation be obtained.
Embodiment 56 ~ 58 aqueous emulsion
Zinc thiazole, 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 6.
The each component of table 6 embodiment 56 ~ 58 and content
Embodiment 59 ~ 61 microemulsion
Zinc thiazole, 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 7.
The each component of table 7 embodiment 59 ~ 61 and content
Embodiment 62 ~ 64 granule
Zinc thiazole, active component B, binding agent, colouring agent, dispersant, wetting agent, filler are mixed in mixed cylinder, through extruder grain, drying, and through sieving obtained granule product of the present invention, specifically in table 8.
The each component of table 8 embodiment 62 ~ 64 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 zinc thiazole;
B is selected from triticonazole, the one of planting in bacterium azoles, prothioconazoles, tricyclazole, cyproconazole.
Application Example two:
For examination disease: wheat smut, test medicine provides by Shanxi Thompson Biological Technology Co., Ltd., experimental scheme: through effective inhibition concentration scope of both preliminary experiment determination zinc thiazole and triticonazole different ratio mixture.
Toxicity test result
Table 9 zinc thiazole and the composite toxicity test analysis of results table to wheat smut of triticonazole
As shown in Table 9, zinc thiazole and the composite proportioning of preventing and treating wheat smut of triticonazole are when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and triticonazole is 1: 10 ~ 20: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Testing through applicant the proportioning finding zinc thiazole and triticonazole is 20 ︰ 1,15 ︰ 1,10 ︰ 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, when wherein zinc thiazole and triticonazole weight ratio are 5:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: rice streak, test medicine provides by Shanxi Thompson Biological Technology Co., Ltd., experimental scheme: through preliminary experiment determination zinc thiazole and effective inhibition concentration scope of planting the former medicine of bacterium azoles and the two different ratio mixture.
Toxicity test result
Table 10 zinc thiazole and the composite toxicity test analysis of results table to rice streak of kind bacterium azoles
As shown in Table 10, the proportioning of zinc thiazole and the composite water prevention Cercospora spot of kind bacterium azoles is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and kind bacterium azoles is 1: 10 ~ 20: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding zinc thiazole and plant bacterium azoles is 20 ︰ 1,15 ︰ 1,10 ︰ 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, when wherein zinc thiazole is 3:1 with kind bacterium azoles weight ratio, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For examination disease: wheat sharp eyespot, test medicine provides by Shanxi Thompson Biological Technology Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination zinc thiazole and the former medicine of prothioconazoles and the two different ratio mixture.
Toxicity test result
Table 11 zinc thiazole and the composite toxicity test analysis of results table to wheat sharp eyespot of prothioconazoles
As shown in Table 11, the proportioning of zinc thiazole and the composite control wheat sharp eyespot of prothioconazoles is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and prothioconazoles is 1: 10 ~ 20: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding zinc thiazole and prothioconazoles is 20 ︰ 1,15 ︰ 1,10 ︰ 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, when wherein zinc thiazole and prothioconazoles weight ratio are 3:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For examination disease: rice blast, test medicine provides by Shanxi Thompson Biological Technology Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination zinc thiazole and Mensurating Tricyclazole Technical and the two different ratio mixture.
Toxicity test result
Table 12 zinc thiazole and the composite toxicity test analysis of results table to rice blast of tricyclazole
As shown in Table 12, the proportioning of zinc thiazole and the composite control rice blast of tricyclazole is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and tricyclazole is 1: 20 ~ 20: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Testing through applicant the proportioning finding zinc thiazole and tricyclazole is 20 ︰ 1,15 ︰ 1,14 ︰ 1,13 ︰ 1,12 ︰ 1,11 ︰ 1,10 ︰ 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 zinc thiazole and tricyclazole weight ratio are 1:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For examination disease: pear scab, test medicine provides by Shanxi Thompson Biological Technology Co., Ltd., experimental scheme: through effective inhibition concentration scope of preliminary experiment determination zinc thiazole and the former medicine of cyproconazole and the two different ratio mixture.
Toxicity test result
Table 13 zinc thiazole and the composite toxicity test analysis of results table to pear scab of cyproconazole
As shown in Table 13, the proportioning of zinc thiazole and the composite control pear scab of cyproconazole is when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and cyproconazole is 1: 10 ~ 20: 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.30.Testing through applicant the proportioning finding zinc thiazole and cyproconazole is 20 ︰ 1,15 ︰ 1,10 ︰ 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, when wherein zinc thiazole and cyproconazole weight ratio are 4:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test find: zinc thiazole and active component B composite after have obvious synergistic effect to the control of the angular leaf spot in various crop, cecospora spot, canker, rice blast, smut, bakanae disease, numb pinta, stalk break, gray mold, black spot, brown spot, balck shank, rust, powdery mildew, leaf spot, scab, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed by Shanxi Thompson Biological Technology Co., Ltd., provided, contrast medicament 20% thiazole zincium suspension agent (commercial), 25% triticonazole suspending agent (autogamy), 10% kind of bacterium azole suspending agent (autogamy), 25% prothioconazoles missible oil (commercial), 20% tricyclazole wettable powder (commercial), 10% cyproconazole wetting powder (commercial).
Application Example seven zinc thiazole 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 14 zinc thiazole and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 14, zinc thiazole 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.In test scope of medication, target crop is had no adverse effects.Also have good preventive effect to rice streak, bakanae disease, preventive effect is up to more than 96% simultaneously.
Application Example eight zinc thiazole and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City, and the investigation wheat rust 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 15 zinc thiazole and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
As can be seen from Table 15, zinc thiazole and active component B and composite after effectively can prevent and treat wheat rust, 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 powdery mildew, smut, preventive effect is up to more than 96% simultaneously.
Application Example nine zinc thiazole and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
This test arrangement is in Xi'an City, Shanxi 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 16 zinc thiazole 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, zinc thiazole 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.Also have good preventive effect to scab of cucumber, preventive effect is up to more than 96% simultaneously.
Application Example ten zinc thiazole and active component B and the composite control citrus bacterial canker disease test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and the investigation citrus bacterial canker 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 17 zinc thiazole and active component B and the composite control citrus bacterial canker disease test of pesticide effectiveness thereof
As can be seen from Table 17, zinc thiazole and active component B and composite after effectively can prevent and treat citrus bacterial canker disease, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example 11 zinc thiazole 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 18 zinc thiazole and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 18, zinc thiazole 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 dithiazole zinc and active component B and the composite control sclerotinia rot of colza test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and the investigation sclerotinia rot of colza 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 19 zinc thiazole and active component B and the composite control sclerotinia rot of colza test of pesticide effectiveness thereof
As can be seen from Table 19, zinc thiazole and active component B and composite after effectively can prevent and treat sclerotinia rot of colza, 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, zinc thiazole and triticonazole, plant bacterium azoles, prothioconazoles, tricyclazole, the composite rear preventive effect to Common Diseases such as the angular leaf spot in various crop, cecospora spot, canker, rice blast, smut, bakanae disease, numb pinta, stalk break, gray mold, black spot, brown spot, balck shank, rust, powdery mildew, leaf spot, scabs of cyproconazole all 95% with on excellent, in single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. one kind contains the bactericidal composition of zinc thiazole and triazole type, effective active composition is active components A and active component B, it is characterized in that: the weight ratio of active components A and active component B is 1: 60 ~ 80: 1, described active components A is selected from zinc thiazole, and active component B is selected from triticonazole, the one of planting in bacterium azoles, prothioconazoles, tricyclazole or cyproconazole.
2. the bactericidal composition containing zinc thiazole and triazole type according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1:40 ~ 60: 1.
3. the bactericidal composition containing zinc thiazole and triazole type according to claim 2, is characterized in that:
The weight ratio of zinc thiazole and triticonazole is 1: 10 ~ 20: 1;
Zinc thiazole is 1: 10 ~ 20: 1 with the weight ratio of kind bacterium azoles;
The weight ratio of zinc thiazole and prothioconazoles is 1: 10 ~ 20: 1;
The weight ratio of zinc thiazole and tricyclazole is 1: 20 ~ 20: 1;
The weight ratio of zinc thiazole and cyproconazole is 1: 10 ~ 20: 1.
4. the bactericidal composition containing zinc thiazole and triazole type according to any one of claims 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, kind clothing suspending agent, aqueous emulsion, microemulsion, granule.
5. the bactericidal composition containing zinc thiazole and triazole type 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 is angular leaf spot, cecospora spot, canker, rice blast, smut, bakanae disease, numb pinta, stalk break, gray mold, black spot, brown spot, balck shank, rust, powdery mildew, leaf spot or scab.
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| CN201310589456.1A CN104642343A (en) | 2013-11-19 | 2013-11-19 | Bactericidal composition containing zinc thiazole and triazole compounds |
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| CN201310589456.1A CN104642343A (en) | 2013-11-19 | 2013-11-19 | Bactericidal composition containing zinc thiazole and triazole compounds |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107047573A (en) * | 2017-02-22 | 2017-08-18 | 浙江大学 | Nanometer zinc thiazole single dose, complex composition and application thereof |
| CN108401763A (en) * | 2018-03-01 | 2018-08-17 | 常州市金土地农牧科技服务有限公司 | A method of prevention apocarya bacterial black rot |
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2013
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107047573A (en) * | 2017-02-22 | 2017-08-18 | 浙江大学 | Nanometer zinc thiazole single dose, complex composition and application thereof |
| CN107047573B (en) * | 2017-02-22 | 2019-03-26 | 浙江大学 | Nanometer zinc thiazole single dose, complex composition and application thereof |
| CN108401763A (en) * | 2018-03-01 | 2018-08-17 | 常州市金土地农牧科技服务有限公司 | A method of prevention apocarya bacterial black rot |
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Application publication date: 20150527 |