CN104412996A - Efficient pesticide composition containing fluoride ether bacteria amide - Google Patents
Efficient pesticide composition containing fluoride ether bacteria amide Download PDFInfo
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Abstract
The invention discloses an efficient pesticide composition containing fluoride ether bacteria amide. The composition is prepared from the following effective ingredients: an active ingredient A and an active ingredient B, wherein the active ingredient A is fluoride ether bacteria amide, and the active ingredient B is any one selected from thifluzamide, fenoxanil, isoprothiolane and phenamacril; and the weight ratio of the active ingredient A to the active ingredient B is 1:80 to 60:1. The composition has a relatively high activity on multiple diseases of multiple crops, has a remarkable synergetic effect, and can be used for enlarging the bacteriocidal spectrum. The composition has the characteristics of small dosage, rain wash resistance and remarkable synergy.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of high-efficient pesticide composition in crop pest of fluorine-containing ether bacterium acid amides.
Technical background
Fluorine ether bacterium acid amides (LH-2010A) the selectivity bactericide fluopicolide more similar than structure has wider fungicidal spectrum.The bacteriostatic activity of fluorine ether bacterium acid amides to cotton standing dead rhizoctonia and botrytis cinerea is the highest, to Phytophthora capsici and phytophthora infestans, there is higher antibacterial work, fluorine ether bacterium acid amides is obvious to cotton standing dead rhizoctonia bacteriostasis, its sclerotium significantly can be suppressed to produce and mycelium morphology factor, mycelia branch is increased, shortens, thicker; Fluorine ether bacterium acid amides has higher bacteriostatic activity to various plants pathogen, and obviously can suppress the multinomial physical signs of cotton standing dead rhizoctonia.
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 ether bacterium acid amides and thifluzamide, fenoxanil, Isoprothiolane, 2-cyano-3-amino-3-phenylancryic acetate mutually composite, there is good synergistic effect within the specific limits, and about fluorine ether bacterium acid amides and thifluzamide, fenoxanil, Isoprothiolane, 2-cyano-3-amino-3-phenylancryic acetate relevant composite, there is not yet relevant report at home and abroad at present.
Summary of the invention
The object of the invention is to propose a kind of to there is synergistic function, the high-efficient pesticide composition of use cost is low, preventive effect is good fluorine-containing ether bacterium acid amides.
The present invention is achieved through the following technical solutions:
A kind of high-efficient pesticide composition of fluorine-containing ether bacterium acid amides, 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 ether bacterium acid amides, and active component B is selected from the one in thifluzamide, fenoxanil, Isoprothiolane, 2-cyano-3-amino-3-phenylancryic acetate; The weight ratio being preferably active components A and active component B is 1: 60 ~ 40: 1; The weight ratio being more preferably fluorine ether bacterium acid amides and thifluzamide is 1: 20 ~ 10: 1, the weight ratio of fluorine ether bacterium acid amides and fenoxanil is 1: 20 ~ 10: 1, fluorine ether bacterium acid amides and Isoprothiolane or weight ratio be 1: 30 ~ 10: 1, the weight ratio of fluorine ether bacterium acid amides and 2-cyano-3-amino-3-phenylancryic acetate is 1: 30 ~ 10: 1; The weight ratio most preferably being fluorine ether bacterium acid amides and thifluzamide is 1: 9 ~ 4: 1, the weight ratio of fluorine ether bacterium acid amides and fenoxanil is 1: 9 ~ 4: 1, fluorine ether bacterium acid amides and Isoprothiolane or weight ratio be 1: 19 ~ 1: 1, the weight ratio of fluorine ether bacterium acid amides and 2-cyano-3-amino-3-phenylancryic acetate is 1: 19 ~ 1: 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, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, can also make granule, suspension seed-coating agent, ultra low volume liquids, missible oil.
The high-efficient pesticide composition of described fluorine-containing ether bacterium acid amides 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 downy mildew, peronospora tabacina, epidemic disease, banded sclerotial blight, rice blast, damping off, stalk break, leaf blight, head blight, bakanae disease.
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% ~ 60%, active component B0.5% ~ 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 B0.5% ~ 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 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 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 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 microcapsule suspending agent: active components A 0.5% ~ 50%, active component B0.5% ~ 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 B0.5% ~ 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 downy mildew, peronospora tabacina, epidemic disease, banded sclerotial blight, rice blast, damping off, stalk break, leaf blight, head blight, bakanae disease 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 ~ 10 wetting powder
By fluorine ether bacterium acid amides, 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 ~ 10 and content
Embodiment 11 ~ 20 water dispersible granules
Fluorine ether bacterium acid amides, 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 11 ~ 20 and content
Embodiment 21 ~ 30 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 ether bacterium acid amides, 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 21 ~ 30 and content
Embodiment 31 ~ 35 aqueous emulsion
Fluorine ether bacterium acid amides, 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 31 ~ 35 and content
Embodiment 36 ~ 40 microemulsion
Fluorine ether bacterium acid amides, 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 36 ~ 40 and content
Thifluzamide, fenoxanil, Isoprothiolane, 2-cyano-3-amino-3-phenylancryic acetate in table 1 ~ 5 are exchanged, can novel formulation be obtained.
Embodiment 41 ~ 43 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 fluorine ether bacterium acid amides, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained fluorine ether bacterium amide suspending agents, 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 6.
The each component of table 6 embodiment 41 ~ 43 and content
Embodiment 44 ~ 46 microcapsule suspending agent
By fluorine ether bacterium acid amides, 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 44 ~ 46 and content
Embodiment 47 ~ 49 microcapsule suspension-suspendinagent agent
By active component B, 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 47 ~ 49 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 ether bacterium acid amides;
B is selected from the one in thifluzamide, fenoxanil, Isoprothiolane or 2-cyano-3-amino-3-phenylancryic acetate.
Application Example two:
For examination disease: rice sheath blight disease, test medicine provides by applicant, experimental scheme: through effective inhibition concentration scope of both preliminary experiment determination fluorine ether bacterium acid amides and thifluzamide different ratio mixture.
Toxicity test result
Table 9 fluorine ether bacterium acid amides and the composite toxicity test analysis of results table to rice sheath blight disease of thifluzamide
As shown in Table 9, the proportioning of fluorine ether bacterium acid amides and the composite water prevention rice sheath blight of thifluzamide is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine ether bacterium acid amides and thifluzamide is 1: 20 ~ 10: 1, synergistic effect is more outstanding, synergy ratio is all more than 2.30, wherein obvious in 1: 9 ~ 4: 1 scope, testing through applicant the proportioning finding fluorine ether bacterium acid amides and thifluzamide 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 ether bacterium acid amides and thifluzamide weight ratio are 1: 2, synergy ratio is maximum, synergistic effect is the most obvious.
Application Example three:
For examination disease: rice blast, test medicine provides by applicant, experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine ether bacterium acid amides and the former medicine of fenoxanil and the two different ratio mixture.
Toxicity test result
Table 10 fluorine ether bacterium acid amides and the composite toxicity test analysis of results table to rice blast of fenoxanil
As shown in Table 10, the proportioning of fluorine ether bacterium acid amides and the composite control rice blast of fenoxanil is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine ether bacterium acid amides and fenoxanil is 1: 20 ~ 10: 1, synergistic effect is more outstanding, synergy ratio is all more than 2.25, wherein obvious in 1: 9 ~ 4: 1 scope, testing through applicant the proportioning finding fluorine ether bacterium acid amides and fenoxanil 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 ether bacterium acid amides and fenoxanil weight ratio are 1: 3, synergy ratio is maximum, synergistic effect is the most obvious.
Application Example four:
For examination disease: rice sheath blight disease, test medicine provides by applicant, experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine ether bacterium acid amides and isoprothiolane and the two different ratio mixture.
Toxicity test result
Table 11 fluorine ether bacterium acid amides and the composite toxicity test analysis of results table to rice sheath blight disease of Isoprothiolane
As shown in Table 11, the proportioning of fluorine ether bacterium acid amides and the composite water prevention rice sheath blight of Isoprothiolane is 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine ether bacterium acid amides and Isoprothiolane is 1: 30 ~ 10: 1, synergistic effect is more outstanding, synergy ratio is all more than 2.25, wherein obvious in 1: 19 ~ 1: 1 scope, testing through applicant the proportioning finding fluorine ether bacterium acid amides and Isoprothiolane is 10: 1, 5: 1, 4: 1, 3: 1, 2: 1, 1: 1, 1: 2, 1: 3, 1: 4, 1: 5, 1: 6, 1: 7, 1: 8, 1: 9, 1: 10, 1: 11, 1: 12, 1: 13, 1: 14, 1: 15, 1: 20, 1: 25, 1: 30, when wherein fluorine ether bacterium acid amides and Isoprothiolane weight ratio are 1: 7, synergy ratio is maximum, synergistic effect is the most obvious.
Application Example five:
For examination disease: wheat scab, test medicine provides by applicant, experimental scheme: through effective inhibition concentration scope of preliminary experiment determination fluorine ether bacterium acid amides and the former medicine of 2-cyano-3-amino-3-phenylancryic acetate and the two different ratio mixture.
Toxicity test result
Table 12 fluorine ether bacterium acid amides and the composite toxicity test analysis of results table to wheat scab of 2-cyano-3-amino-3-phenylancryic acetate
As shown in Table 12, fluorine ether bacterium acid amides and the composite proportioning of preventing and treating wheat scab of 2-cyano-3-amino-3-phenylancryic acetate are 1: 80 ~ 60: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 80 ~ 60: 1 scope all shows synergistic effect, the proportioning of fluorine ether bacterium acid amides and 2-cyano-3-amino-3-phenylancryic acetate is 1: 30 ~ 10: 1, synergistic effect is more outstanding, synergy ratio is all more than 2.30, wherein obvious in 1: 19 ~ 1: 1 scope, testing through applicant the proportioning finding fluorine ether bacterium acid amides and 2-cyano-3-amino-3-phenylancryic acetate is 10: 1, 5: 1, 4: 1, 3: 1, 2: 1, 1: 1, 1: 2, 1: 3, 1: 4, 1: 5, 1: 6, 1: 7, 1: 8, 1: 9, 1: 10, 1: 11, 1: 12, 1: 13, 1: 14, 1: 15, 1: 20, 1: 25, 1: 30, when wherein fluorine ether bacterium acid amides and 2-cyano-3-amino-3-phenylancryic acetate weight ratio are 1: 7, synergy ratio is maximum, synergistic effect is the most obvious.
Through test find: fluorine ether bacterium acid amides and active component B composite after have obvious synergistic effect to the control of the downy mildew in various crop, peronospora tabacina, epidemic disease, banded sclerotial blight, rice blast, damping off, stalk break, leaf blight, head blight, bakanae disease, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed by applicant, provided, contrast medicament 10% fluorine ether bacterium amide suspending agents (autogamy), 23% thifluzamide suspending agent (commercial), 20% fenoxanil suspending agent (commercial), 30% Isoprothiolane missible oil (commercial), 25% 2-cyano-3-amino-3-phenylancryic acetate suspending agent (commercial).
Application Example hexafluoro ether bacterium acid amides 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 ether bacterium acid amides and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 13, fluorine ether bacterium acid amides 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 sheath blight disease, damping off, bakanae disease, drug effect is up to more than 96% simultaneously.
Application Example Sevoflurane bacterium acid amides and active component B and the composite control cucumber rhizoctonia rot test of pesticide effectiveness thereof
This test arrangement is in Jingyang County, Shaanxi Province, and the investigation cucumber rhizoctonia rot 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 ether bacterium acid amides and active component B and the composite control cucumber rhizoctonia rot test of pesticide effectiveness thereof
As can be seen from Table 14, fluorine ether bacterium acid amides and active component B and composite after effectively can prevent and treat cucumber rhizoctonia rot, 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 cucumber downy mildew, drug effect is up to more than 96% simultaneously.
Application Example octafluoro ether bacterium acid amides and active component B and the sick test of pesticide effectiveness of composite control tomato blight thereof
This test arrangement is in Xi'an City, Shanxi Province, and the investigation tomato blight 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 cyanogen ether bacterium acid amides and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 15, fluorine ether bacterium acid amides and active component B and composite rear efficiency thereof prevent and treat tomato blight, 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 ether bacterium acid amides and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City, and the investigation downy mildew of garpe 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 fluorine ether bacterium acid amides and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
As can be seen from Table 16, fluorine ether bacterium acid amides and active component B and composite after effectively can prevent and treat downy mildew of garpe, 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 ether bacterium acid amides and active component B and composite control sclerotinia rot of colza thereof are imitated and are tested
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 17 fluorine ether bacterium acid amides and active component B and the composite control sclerotinia rot of colza test of pesticide effectiveness thereof
As can be seen from Table 17, fluorine ether bacterium acid amides 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, fluorine ether bacterium acid amides and thifluzamide, fenoxanil, Isoprothiolane, the composite rear preventive effect to Common Diseases such as the downy mildew in various crop, peronospora tabacina, epidemic disease, banded sclerotial blight, rice blast, damping off, stalk break, leaf blight, head blight, bakanae disease of 2-cyano-3-amino-3-phenylancryic acetate are all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the high-efficient pesticide composition of a fluorine-containing ether bacterium acid amides, 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: 80 ~ 60: 1, described active components A is selected from fluorine ether bacterium acid amides, and active component B is selected from the one in thifluzamide, fenoxanil, Isoprothiolane or 2-cyano-3-amino-3-phenylancryic acetate.
2. the high-efficient pesticide composition of fluorine-containing ether bacterium acid amides 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 high-efficient pesticide composition of fluorine-containing ether bacterium acid amides according to claim 2, is characterized in that:
The weight ratio of fluorine ether bacterium acid amides and thifluzamide is 1: 20 ~ 10: 1;
The weight ratio of fluorine ether bacterium acid amides and fenoxanil is 1: 20 ~ 10: 1;
Fluorine ether bacterium acid amides and Isoprothiolane or weight ratio be 1: 30 ~ 10: 1;
The weight ratio of fluorine ether bacterium acid amides and 2-cyano-3-amino-3-phenylancryic acetate is 1: 30 ~ 10: 1.
4. the high-efficient pesticide composition of the fluorine-containing ether bacterium acid amides 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 or microcapsule suspension-suspendinagent agent.
5. the high-efficient pesticide composition of fluorine-containing ether bacterium acid amides 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 downy mildew, peronospora tabacina, epidemic disease, banded sclerotial blight, rice blast, damping off, stalk break, leaf blight, head blight or bakanae disease.
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| CN105961396A (en) * | 2016-05-26 | 2016-09-28 | 南京华洲药业有限公司 | Antibacterial composition containing fluoride ether bacteria amide and coumoxystrobin and application of composition |
| CN105961396B (en) * | 2016-05-26 | 2018-01-26 | 南京华洲药业有限公司 | A kind of bactericidal composition and its application of fluorine-containing ether bacterium acid amides and SYP-3375 |
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| CN104412996B (en) | 2018-08-03 |
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