CN105519535A - Bactericidal composition comprising benzo-ene triflumizole - Google Patents
Bactericidal composition comprising benzo-ene triflumizole Download PDFInfo
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Abstract
The invention discloses a bactericidal composition comprising benzo-ene triflumizole. The bactericidal composition comprises an active component A and an active component B. the active component A is selected from benzo-ene triflumizole. The active component B is any one selected from the following compounds: fenarimol and spiroxamine. A weight ratio of the active component A to the active component B is 1:80-80:1. The composition has relatively high activity against various diseases on various crops, and has a significant synergistic effect and an expanded bactericidal spectrum. The composition has the characteristics of low dose, rainwash resistance and significant 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 benzo alkene fluorine bacterium azoles.
Technical background
Benzo alkene fluorine bacterium azoles (benzovindiflupyr), it is another succinate dehydrogenase inhibitors of Syngenta Co., Ltd's exploitation, it has outstanding preventive effect to Asian Soybean Rust, lasting period is long, is first just reaching to obtain the 5th AgrowAwards the best with regard to this product and Du Pont and innovate the bactericide oxathiapiprolin that chemistry encourages and endorsed global mutual authorized agreement.At present, benzo alkene fluorine bacterium azoles is not yet registered in China.
Fenarimol, volution bacterium amine are all some common wide-spectrum bactericides.
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 benzo alkene fluorine bacterium azoles and Fenarimol, volution bacterium amine mutually composite, have good synergistic effect within the specific limits, and about benzo alkene fluorine bacterium azoles and Fenarimol, volution bacterium amine relevant composite, there is not yet relevant report at home and abroad at present.
Summary of the invention
Benzo alkene fluorine bacterium azoles, Fenarimol, volution bacterium amine single dose Long-Time Service may bring resistance to occur, degradation problem under drug effect, and the bactericidal composition that the present invention proposes contains active components A and active component B, and appropriate surfactant and carrier.
A kind of bactericidal composition containing benzo alkene fluorine bacterium azoles, containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 80 ︰ 1, and described active components A is selected from benzo alkene fluorine bacterium azoles, and active component B is selected from the one in Fenarimol, volution bacterium amine.Active components A and active component B preferably weight ratio are 1 ︰ 60 ~ 60 ︰ 1; The weight ratio being more preferably benzo alkene fluorine bacterium azoles and Fenarimol is 1 ︰ 10 ~ 20 ︰ 1, and the weight ratio of benzo alkene fluorine bacterium azoles and volution bacterium amine is 1 ︰ 20 ~ 10 ︰ 1.
The described bactericidal composition containing benzo alkene fluorine bacterium azoles is for preventing and treating the disease of crops, and described crops comprise cereal crops, legume crop, oil crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, flower crop, medicinal crop, crop, green manure pasture crop.
Described disease comprises rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease.
In the present composition, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target disease.In usual composition, the weight percentage of active component is 1% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 60%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 2% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Surfactant selected by 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, stabilizing agent known in those skilled in the art, antifreeze etc. can also be contained.
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, then adds surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc. by active component with liquid flux or solid carrier.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Composition comprises following component and content when making wetting powder: active components A 1% ~ 80%, active component B1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 1% ~ 80%, active component B1% ~ 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 1% ~ 50%, active component B1% ~ 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 suspension emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 0 ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 1% ~ 50%, active component B1% ~ 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 microcapsule suspending agent: active components A 1% ~ 50%, active component B1% ~ 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 1% ~ 50%, active component B1% ~ 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:
Suspension emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Aqueous 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 rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease 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: benzo alkene fluorine bacterium azoles is correlated with compound product embodiment (following content is and amounts to percentage composition).
Example 1 ~ 8 wetting powder
By benzo alkene fluorine bacterium azoles, active ingredient 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 example 1 ~ 8 and content
Example 9 ~ 15 water dispersible granules
Benzo alkene fluorine bacterium azoles, active ingredient B, dispersant, wetting agent, binding agent, disintegrant, filler are obtained together the particle diameter needed through air-flow crushing, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, obtaining water dispersible granules product of the present invention.Specifically in table 2.
The each component of table 2 example 9 ~ 15 and content
Example 16 ~ 20 suspending agent
Dispersant, wetting agent, defoamer, thickener, antifreeze are mixed through high speed shear, add benzo alkene fluorine bacterium azoles, active ingredient B, surplus deionized water is supplied, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained oil-suspending agent product of the present invention.Specifically in table 3.
The each component of table 3 example 16 ~ 20 and content
Example 21 ~ 24 suspension emulsion
Dispersant, defoamer, thickener, antifreeze, stabilizing agent, solvent in above-mentioned formulation material are mixed through high speed shear, add benzo alkene fluorine bacterium azoles, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained benzo alkene fluorine bacterium azole suspending agent, then by active component B, emulsifier 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 4.
The each component of table 4 example 21 ~ 24 and content
Example 25 ~ 32 aqueous emulsion
Benzo alkene fluorine bacterium azoles, active ingredient B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze, thickener, 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 5.
The each component of table 5 example 25 ~ 32 and content
Example 33 ~ 34 microcapsule suspending agent
By benzo alkene fluorine bacterium azoles, 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 6.
The each component of table 6 example 33 ~ 34 and content
Example 35,36 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 are mixed through high speed shear, add benzo alkene fluorine bacterium azoles, 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 7.
Table 7 example 35,36 each component and content
Active component B Fenarimol, volution bacterium amine in table 1 ~ 7 are exchanged, can novel formulation be obtained.
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 benzo alkene fluorine bacterium azoles;
B choosing is to the one in Fenarimol, volution bacterium amine.
Application Example two:
For examination disease: apple mildew.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination benzo alkene fluorine bacterium azoles and the former medicine of Fenarimol and the two different ratio mixture.
Table 9 benzo alkene fluorine bacterium azoles and the composite toxicity test analysis of results table to apple mildew of Fenarimol
As shown in Table 8, benzo alkene fluorine bacterium azoles and Fenarimol proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of apple mildew, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, especially when benzo alkene fluorine bacterium azoles and Fenarimol weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding benzo alkene fluorine bacterium azoles and Fenarimol is 20:1, 15:1, 10:1, 5:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, during 1:10, benzo alkene fluorine bacterium azoles and Fenarimol composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, the control of bakanae disease has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example three:
For examination disease: wheat powdery mildew.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination benzo alkene fluorine bacterium azoles and the former medicine of volution bacterium amine and the two different ratio mixture.
Toxicity test result
Table 9 benzo alkene fluorine bacterium azoles and the composite toxicity test analysis of results table to wheat powdery mildew of volution bacterium amine
As shown in Table 9, benzo alkene fluorine bacterium azoles and volution bacterium amine proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of wheat powdery mildew, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, especially when benzo alkene fluorine bacterium azoles and volution bacterium amine weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding benzo alkene fluorine bacterium azoles and volution bacterium amine is 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 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, benzo alkene fluorine bacterium azoles and volution bacterium amine composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, the control of stalk break has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example four benzo alkene fluorine bacterium azoles and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in Weinan City Pucheng County, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
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 10 benzo alkene fluorine bacterium azoles and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 10, benzo alkene fluorine bacterium azoles and active component B 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 pentaphene alkene fluorine bacterium azoles and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This test arrangement is in Liquan County, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation wheat powdery mildew state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 11 benzo alkene fluorine bacterium azoles and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 11, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat wheat powdery mildew, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example six benzo alkene fluorine bacterium azoles and active component B and compositely prevent and treat the apple mildew test of pesticide effectiveness
This test arrangement is in Weinan City Dali County, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation apple mildew state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 3 times.Within after third time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 12 benzo alkene fluorine bacterium azoles and active component B and compositely prevent and treat the apple mildew test of pesticide effectiveness
As can be seen from Table 12, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat apple mildew, 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 seven benzo alkene fluorine bacterium azoles and active component B and the composite control soybean rust test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation soybean 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 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 13 benzo alkene fluorine bacterium azoles and active component B and the composite control soybean rust test of pesticide effectiveness thereof
As can be seen from Table 13, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat soybean rust, 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 benzo alkene fluorine bacterium azoles and active component B and compositely prevent and treat the sick test of pesticide effectiveness of powdery mildew of cucumber
This test arrangement is in Jingyang County, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
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 14 benzo alkene fluorine bacterium azoles and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 14, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat powdery mildew of cucumber, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine benzo alkene fluorine bacterium azoles and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
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 benzo alkene fluorine bacterium azoles and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 15, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat tomato blight, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
The rose powdery mildew test of pesticide effectiveness is viewed and admired in Application Example ten benzo alkene fluorine bacterium azoles and active component B and composite control thereof
This test arrangement is at Jinan City, Shandong Province Pingying County, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
Before medicine, the rose powdery mildew state of an illness is viewed and admired in investigation, and 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:
The rose powdery mildew test of pesticide effectiveness is viewed and admired in table 16 benzo alkene fluorine bacterium azoles and active component B and composite control thereof
As can be seen from Table 16, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat and view and admire rose powdery mildew, 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, benzo alkene fluorine bacterium azoles and Fenarimol, volution bacterium amine is composite rear to the rice blast in various crop, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, the preventive effect of the Common Diseases such as bakanae disease is all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (7)
1. the bactericidal composition containing benzo alkene fluorine bacterium azoles, it is characterized in that, active ingredient is active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 80 ︰ 1, described active components A is selected from benzo alkene fluorine bacterium azoles, and active component B is selected from the one in Fenarimol, volution bacterium amine.
2. the bactericidal composition containing benzo alkene fluorine bacterium azoles according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 60 ︰ 1.
3. the bactericidal composition containing benzo alkene fluorine bacterium azoles according to claim 2, is characterized in that: the weight ratio of benzo alkene fluorine bacterium azoles and Fenarimol is 1 ︰ 10 ~ 20 ︰ 1.
4. the bactericidal composition containing benzo alkene fluorine bacterium azoles according to claim 2, is characterized in that: the weight ratio of benzo alkene fluorine bacterium azoles and volution bacterium amine is 1 ︰ 20 ~ 10 ︰ 1.
5. the bactericidal composition containing benzo alkene fluorine bacterium azoles according to claim 1, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent.
6. the bactericidal composition containing benzo alkene fluorine bacterium azoles according to claim 1 is for preventing and treating the application of crop pest.
7. application according to claim 6, is characterized in that: described disease is rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease.
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Application publication date: 20160427 |