CN103563994A - Bactericidal composition containing simeconazole - Google Patents
Bactericidal composition containing simeconazole Download PDFInfo
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- CN103563994A CN103563994A CN201210282215.8A CN201210282215A CN103563994A CN 103563994 A CN103563994 A CN 103563994A CN 201210282215 A CN201210282215 A CN 201210282215A CN 103563994 A CN103563994 A CN 103563994A
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Abstract
The invention discloses a bactericidal composition containing simeconazole, which contains an active component A and an active component B, wherein the active component A is selected from simeconazole; the active component B is selected from any one of polyoxin, thiophanate-methyl, carbendazol, pyrimidine nucleoside antibiotics and acibenzolar; and the weight ratio of the active component A to the active component B is 1:80-60:1. The composition disclosed by the invention has higher activity for multiple diseases on multiple crops, and has obvious synergistic action, thereby widening the bactericidal spectrum. The composition has the characteristics of small dosage, rainfall erosion resistance and obvious synergistic action.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of bactericidal composition containing simeconazoles in crop pest.
Technical background
Simeconazoles (simeconazole) molecular formula: C
14h
20fN
3oSi, chemical name: (RS)-2-(4-fluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-(is trimethyl silicon based) propan-2-ol, simeconazoles is sterol demethylation inhibitor, destroy and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, cause cell membrane not form, make germ dead.Due to absorption in having well, therefore can promptly be absorbed by plants, and in conducted inside; There is good protection and therapeutic activity.Obviously improve crop yield.
Antibiotic in pyrimidine nucleoside class another name: pesticide corrosion 120.
In the real process of agricultural production, preventing and treating the problem that disease the most easily produces is the generation of disease drug resistance.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor's research, discovery is mutually composite by simeconazoles and polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar, there is within the specific limits good synergistic effect, and relevant composite about simeconazoles and polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar, there is not yet relevant report at present at home and abroad.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good bactericidal composition containing simeconazoles.
A kind of bactericidal composition containing simeconazoles, comprise 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 simeconazoles, active component B is selected from a kind of in polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar, the weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1, and the weight ratio that is preferably simeconazoles and polyoxin is 1 ︰ 30 ~ 20 ︰ 1; The weight ratio of simeconazoles and thiophanate-methyl is 1 ︰ 40 ~ 10 ︰ 1; The weight ratio of simeconazoles and carbendazim is 1 ︰ 40 ~ 10 ︰ 1; The weight ratio of simeconazoles and antibiotic in pyrimidine nucleoside class is 1 ︰ 20 ~ 20 ︰ 1; The weight ratio of simeconazoles and Acibenzolar is 1 ︰ 10 ~ 20 ︰ 1, and the weight ratio that most preferably is simeconazoles and polyoxin is 1 ︰ 15 ~ 10 ︰ 1; The weight ratio of simeconazoles and thiophanate-methyl is 1 ︰ 20 ~ 1 ︰ 1; The weight ratio of simeconazoles and carbendazim is 1 ︰ 20 ~ 1 ︰ 1; The weight ratio of simeconazoles and antibiotic in pyrimidine nucleoside class is 1 ︰ 10 ~ 10 ︰ 1; The weight ratio of simeconazoles and Acibenzolar is 1 ︰ 5 ~ 10 ︰ 1.
The disease of the described bactericidal composition containing simeconazoles for preventing and treating crops, described crops comprise cereal crops, legume crop, oil crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, flowers crop, medicinal crop, raw material crop, green manure pasture crop.
The disease of the described bactericidal composition containing simeconazoles for preventing and treating crops, described disease comprises downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, stalk break, bunt, anthracnose, ring spot, rust, scab.
The amount of application when content of active component depends on independent use in the present composition, also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with target disease.Conventionally in composition, the weight percentage of active component is gross weight 2%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Conventionally, liquid preparation contains 1%～60% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
In bactericidal composition of the present invention, at least contain a kind of surfactant, the dispersion of active component in water while being beneficial to use.Surface-active contents is 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, thickener or defoamer.According to different dosage form, in preparation, can also contain stabilizing agent known in those skilled in the art, antifreeze etc.
Bactericidal composition of the present invention can be by user before use through dilution or directly use.Its preparation can be prepared by processing method known in those skilled in the art, after being about to active component and mixing with liquid flux or solid carrier, then adds surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc.
Bactericidal composition of the present invention, can be processed on demand acceptable formulation on any agricultural chemicals, wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent, also can be made into aqua, soluble liquid, soluble powder.
When making wetting powder, composition comprises following constituent content: active components A 0.1% ~ 60%, active component B0.1% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
When making water dispersible granules, composition comprises following constituent content: active components A 0.1% ~ 60%, active component B0.1% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 4%, filler surplus.
When making suspending agent, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0% ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making suspension emulsion, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 1% ~ 15%, thickener 0% ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, deionized water add to 100%.
When making aqueous emulsion, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0% ~ 2%, defoamer 0.01% ~ 2%, deionized water are supplied surplus.
When making microemulsion, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, solvent 0 ~ 30%, emulsifier 3% ~ 20%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, stabilizing agent 0 ~ 4%, deionized water is supplied surplus.
When making microcapsule suspending agent, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 10%, defoamer 0.01% ~ 2%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
When making microcapsule suspension-suspending agent, composition comprises following constituent content: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, macromolecule cyst material 2% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 6%, defoamer 0.01% ~ 2%, thickener 0.05% ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) expanded fungicidal spectrum, multiple diseases has been had to greater activity as downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, scab.
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
Example 1～18 wetting powder
Simeconazoles, active ingredient B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into wetting powder product of the present invention.Specifically in Table 1.
Table 1 example 1～18 each component and content
Example 19～34 water dispersible granules
Simeconazoles, active ingredient B, dispersant, wetting agent, binding agent (can add and can not add), disintegrant, filler are obtained to the particle diameter of needs together through air-flow crushing, obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, make water dispersible granules product of the present invention.Specifically in Table 2.
Table 2 example 19～34 each component and content
Example 35～50 suspending agents
Dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add simeconazoles, active ingredient B, surplus is supplied by deionized water, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make oil-suspending agent product of the present invention.Specifically in Table 3.
Table 3 example 35～50 each component and content
Active component B polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar in table 1 ~ 3 are exchanged, can make novel formulation.
Example 51～53 suspension emulsions
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), stabilizing agent (can add and can not add), solvent in above-mentioned formulation material are mixed through high speed shear, add active component B, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make active component B suspending agent, then by simeconazoles, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically in Table 4.
Table 4 example 51～53 each component and content
Active component B thiophanate-methyl, carbendazim, Acibenzolar in table 4 are exchanged, can make novel formulation.
Example 54～63 aqueous emulsions
Simeconazoles, active ingredient B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase, make aqueous emulsion product of the present invention.Specifically in Table 5.
Table 5 example 54～63 each component and content
Active component B polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar in table 5 are exchanged, can make novel formulation.
Example 64～67 microcapsule suspending agents
By simeconazoles, active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, defoamer, surplus is supplied by deionized water, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in Table 6.
Table 6 example 64～67 each component and content
Example 68,69 microcapsule suspensions-suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add simeconazoles, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, makes the finely disseminated microcapsule suspension-suspending agent of present composition product.Specifically in Table 7.
Table 7 example 68,69 each component and content
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR < 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR > 1.5 is synergistic effect, on this basis, then carries out field trial.
Test method: after the effective inhibition concentration scope of each medicament is determined in prerun, medicament is established respectively 5 dosage by active constituent content and processed, and establishes clear water contrast.With reference to < < farm-chemical indoor determination test rule bactericide > >, carry out, adopt mycelial growth rate method to measure the virulence of medicament to crop germ.After 72h, by right-angled intersection method, measure colony diameter, calculate and respectively 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), with method of least squares, tries to achieve virulence regression equation (y=a+bx), and calculates thus the EC of every kind of medicament
50value.According to Wadley method, calculate the different proportioning synergy ratio (SR) of two medicaments, SR < 0.5 is antagonism simultaneously, and 0.5≤SR≤1.5 are summation action, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and active component B shared ratio in combination;
A is simeconazoles;
B selects a kind of in polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar.
Application Example two:
For trying disease: powdery mildew of cucumber.
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining the former medicine of simeconazoles and polyoxin and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to powdery mildew of cucumber of table 8 simeconazoles and polyoxin
As shown in Table 8, simeconazoles and polyoxin to the proportioning of powdery mildew of cucumber when 1:80 ~ 60:1, synergy ratio SR is all greater than 1.5, illustrating that both are mixed within the scope of 1:80 ~ 60:1 all shows synergistic effect, when the proportioning of simeconazoles and polyoxin is during at 1:30 ~ 20:1, synergistic effect is more outstanding, and synergy ratio is all more than 2.10, wherein when simeconazoles and polyoxin weight ratio are 2:3, synergy ratio is maximum, and synergistic effect is the most obvious.Through applicant, test and find that the proportioning of simeconazoles and polyoxin 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, 1:15, 1:20, 1:25, during 1:30, simeconazoles and polyoxin are composite to downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, the control of scab has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example three:
For trying disease: apple mildew.
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining simeconazoles and thiophanate methyl raw pesticide and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to apple mildew of table 9 simeconazoles and thiophanate-methyl
As shown in Table 9, simeconazoles and thiophanate-methyl proportioning are all greater than 1.5 to apple mildew synergy ratio SR when 1:80 ~ 60:1, illustrating that both are mixed within the scope of 1:80 ~ 60:1 all shows synergistic effect, when the proportioning of simeconazoles and thiophanate-methyl is during at 1:40 ~ 10:1, synergistic effect is more outstanding, and synergy ratio is all more than 2.25.Wherein when simeconazoles and thiophanate-methyl weight ratio are 1:7, synergy ratio is maximum, synergistic effect is the most obvious, through applicant, test and find that the proportioning of simeconazoles and thiophanate-methyl is 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:25, 1:30, 1:35, during 1:40, simeconazoles and thiophanate-methyl are composite to downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, the control of scab has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example four:
For trying disease: pear scab.
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining simeconazoles and carbendazim active compound and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to pear scab of table 10 simeconazoles and carbendazim
As shown in Table 10, simeconazoles and carbendazim to the proportioning of pear scab when 1:80 ~ 60:1, synergy ratio SR is all greater than 1.5, illustrating that both are mixed within the scope of 1:80 ~ 60:1 all shows synergistic effect, when the proportioning of simeconazoles and carbendazim is during at 1:40 ~ 10:1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20, wherein when simeconazoles and carbendazim weight ratio are 1:8, synergy ratio is maximum, and synergistic effect is the most obvious.Through applicant, test and find that the proportioning of simeconazoles and carbendazim is 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:25, 1:30, 1:35, during 1:40, simeconazoles and carbendazim are composite to downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, the control of scab has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example five:
For trying disease: powdery mildew of strawberry.
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining the former medicine of simeconazoles and antibiotic in pyrimidine nucleoside class and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to powdery mildew of strawberry of table 11 simeconazoles and antibiotic in pyrimidine nucleoside class
As shown in Table 11, simeconazoles and antibiotic in pyrimidine nucleoside class to the proportioning of powdery mildew of strawberry when 1:80 ~ 60:1, synergy ratio SR is all greater than 1.5, illustrating that both are mixed within the scope of 1:80 ~ 60:1 all shows synergistic effect, when the proportioning of simeconazoles and antibiotic in pyrimidine nucleoside class is during at 1:20 ~ 20:1, synergistic effect is more outstanding, and synergy ratio is all more than 2.15.Wherein when simeconazoles and antibiotic in pyrimidine nucleoside class weight ratio are 1:1, synergy ratio is maximum, and synergistic effect is the most obvious.Through applicant, test and find that the proportioning of simeconazoles and antibiotic in pyrimidine nucleoside class 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, 1:15, during 1:20, simeconazoles and antibiotic in pyrimidine nucleoside class are composite to downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, the control of scab has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example six:
For trying disease: wheat powdery mildew.
Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
Experimental scheme: effective inhibition concentration scope of determining the former medicine of simeconazoles and Acibenzolar and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to wheat powdery mildew of table 12 simeconazoles and Acibenzolar
As shown in Table 12, simeconazoles and Acibenzolar to the proportioning of wheat powdery mildew when 1:80 ~ 60:1, synergy ratio SR is all greater than 1.5, illustrating that both are mixed within the scope of 1:80 ~ 60:1 all shows synergistic effect, when the proportioning of simeconazoles and Acibenzolar is during at 1:20 ~ 10:1, synergistic effect is more outstanding, and synergy ratio is all more than 2.05.Wherein when simeconazoles and Acibenzolar weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.Through applicant, test and find that the proportioning of simeconazoles and Acibenzolar 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, during 1:10, simeconazoles and Acibenzolar are composite to downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, the control of scab has obvious synergistic effect, synergy ratio is all more than 1.50.
Test of pesticide effectiveness part:
Test medicine is researched and developed, is provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd, contrast medicament 20% simeconazoles suspending agent (autogamy), 3% polyoxin wetting powder (commercial), 70% thiophanate-methyl wetting powder (commercial), 50% carbendazol wettable powder (commercial), 4% antibiotic in pyrimidine nucleoside class aqua (commercial), 24% Acibenzolar suspending agent (autogamy).
Application Example seven simeconazoles and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Weinan city Linwei district, Shaanxi Province, is investigated the powdery mildew of cucumber state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 13 simeconazoles and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 13, can effectively prevent and treat powdery mildew of cucumber, and can treat cucumber downy mildew, damping off after simeconazoles and active component B are composite, after 14 days, control efficiency is up to more than 97%.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 eight simeconazoles and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This test arrangement, in Weinan City suburb, Shaanxi Province, is investigated the wheat powdery mildew state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 14 simeconazoles and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 14, after simeconazoles and active component B are composite, can effectively prevent and treat wheat powdery mildew, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can treat wheat damping off, rust, after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example nine simeconazoles and active component B and the composite control banana freckle test of pesticide effectiveness thereof
This test arrangement, in suburb, Dongguan City, Guangdong Province, is investigated the sick state of an illness of banana freckle before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 15 simeconazoles and active component B and the composite control banana freckle test of pesticide effectiveness thereof
As can be seen from Table 15, can effectively prevent and treat banana freckle, and can treat sigatoka after simeconazoles and active component B are composite, after 14 days, control efficiency is up to more than 97%.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 simeconazoles and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Hanzhong City, is investigated the rice blast state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 16 simeconazoles and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 16, after simeconazoles and active component B are composite, can effectively prevent and treat rice blast, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can treat bakanae disease of rice, banded sclerotial blight, after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example 11 simeconazoles and active component B and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Xianyang, Shanxi province city, is investigated the apple mildew state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 17 simeconazoles and active component B and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 17, after simeconazoles and active component B are composite, can effectively prevent and treat apple mildew, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can treat alternaria leaf spot of apple, ring spot, anthracnose, after 14 days, control efficiency is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example 12 simeconazoles and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement, in Weinan City Pucheng County, Shaanxi Province, is investigated the pear scab state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 18 simeconazoles and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 18, after simeconazoles and active component B are composite, can effectively 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.
After through different local throughout the country tests, draw, simeconazoles and polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar is composite rear to the downy mildew in various crop, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, the preventive effect of the Common Diseases such as scab is all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (10)
1. the bactericidal composition containing simeconazoles, 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 simeconazoles, and active component B is selected from a kind of in polyoxin, thiophanate-methyl, carbendazim, antibiotic in pyrimidine nucleoside class, Acibenzolar.
2. the bactericidal composition containing simeconazoles 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 containing simeconazoles according to claim 2, is characterized in that: the weight ratio of simeconazoles and polyoxin is 1 ︰ 30 ~ 20 ︰ 1.
4. the bactericidal composition containing simeconazoles according to claim 2, is characterized in that: the weight ratio of simeconazoles and thiophanate-methyl is 1 ︰ 40 ~ 10 ︰ 1.
5. the bactericidal composition containing simeconazoles according to claim 2, is characterized in that: the weight ratio of simeconazoles and carbendazim is 1 ︰ 40 ~ 10 ︰ 1.
6. the bactericidal composition containing simeconazoles according to claim 2, is characterized in that: the weight ratio of simeconazoles and antibiotic in pyrimidine nucleoside class is 1 ︰ 20 ~ 20 ︰ 1.
7. the bactericidal composition containing simeconazoles according to claim 2, is characterized in that: the weight ratio of simeconazoles and Acibenzolar is 1 ︰ 10 ~ 20 ︰ 1.
8. the bactericidal composition containing simeconazoles according to any one described in claim 3 to 7, is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
9. the bactericidal composition containing simeconazoles according to claim 8, for preventing and treating the application of corps diseases.
10. application according to claim 9, is characterized in that: described disease comprises downy mildew, late blight, peronospora tabacina, early blight, spot defoliation, gray mold, black spot, damping off, powdery mildew, fusarium wilt, rust, leaf mold, graywall, root rot, damping off, bakanae disease, rice blast, banded sclerotial blight, leaf spot, stalk break, bunt, anthracnose, ring spot, rust, scab.
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| CN107047606A (en) * | 2017-03-08 | 2017-08-18 | 南京华洲药业有限公司 | A kind of bactericidal composition and its application containing Hexanaphthene flusulfamide and simeconazoles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0609099A1 (en) * | 1993-01-28 | 1994-08-03 | Sankyo Company Limited | Antimicrobial and antifungal compositions comprising silicon-compounds, and their use in agriculture and horticulture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0609099A1 (en) * | 1993-01-28 | 1994-08-03 | Sankyo Company Limited | Antimicrobial and antifungal compositions comprising silicon-compounds, and their use in agriculture and horticulture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107047606A (en) * | 2017-03-08 | 2017-08-18 | 南京华洲药业有限公司 | A kind of bactericidal composition and its application containing Hexanaphthene flusulfamide and simeconazoles |
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