CN105475289A - Sterilization composition containing benzovindiflupyr and methoxyacrylates - Google Patents
Sterilization composition containing benzovindiflupyr and methoxyacrylates Download PDFInfo
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- CN105475289A CN105475289A CN201410468391.XA CN201410468391A CN105475289A CN 105475289 A CN105475289 A CN 105475289A CN 201410468391 A CN201410468391 A CN 201410468391A CN 105475289 A CN105475289 A CN 105475289A
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Abstract
The invention discloses a sterilization composition containing benzovindiflupyr and methoxyacrylates. The sterilization composition contains an active component A selected from benzovindiflupyr and an active component B selected from any one of the following compounds: fluoxastrobin, pyraoxystrobin, kresoxim-methyl, or orysastrobin, and the weight ratio of the active component A to the active component B is 1:80-60:1. The composition has a synergistic effect on multiple diseases harmful to agricultural production. A use amount of pesticide is reduced; the residual amount of the pesticide on crops is reduced; and environmental pollution is minimized. The composition is safe to people and livestock, and has good environmental compatibility. Pests are not prone to generate drug resistance through use of the composition.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on corps diseases containing benzo alkene fluorine bacterium azoles and methoxy acrylic.
Background technology
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.
Fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin all belong to methoxy acrylic bactericide, are widely used in the disease of crops.
But 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 sterilization 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 by benzo alkene fluorine bacterium azoles and fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin composite after can produce good synergistic effect, and about benzo alkene fluorine bacterium azoles and the composite relevant report of fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin not yet open.
Summary of the invention
The object of the invention is to propose a kind ofly have that synergistic function, use cost are low, preventive effect is good containing the bactericidal composition of benzo alkene fluorine bacterium azoles and methoxy acrylic.
The bactericidal composition containing benzo alkene fluorine bacterium azoles and methoxy acrylic that the present invention proposes contains 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 benzo alkene fluorine bacterium azoles, active component B is selected from the one in fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin, and active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 40 ︰ 1; The weight ratio being more preferably benzo alkene fluorine bacterium azoles and fluoxastrobin is 1 ︰ 20 ~ 20 ︰ 1, and the weight ratio of benzo alkene fluorine bacterium azoles and azoles bacterium ester is 1 ︰ 20 ~ 20 ︰ 1, and the weight ratio of benzo alkene fluorine bacterium azoles and kresoxim-methyl or orysastrobin is 1 ︰ 30 ~ 30 ︰ 1.
The bactericidal composition containing benzo alkene fluorine bacterium azoles and methoxy acrylic that the present invention proposes is for preventing and treating the purposes of disease on crops, and described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described disease comprises gray mold, downy mildew, peronospora tabacina, powdery mildew, epidemic disease, leaf mold, shot hole, scab, anthracnose, spot defoliation, rust, ring spot, leaf spot, spike rot, fusarium wilt, damping off, rice blast, anthrachose of grape, banded sclerotial blight or brown spot.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 60 ︰ 1.In usual composition, the weight percentage of active component is 0.5% ~ 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% ~ 70%, 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 5% ~ 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 common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer, disintegrant, antifreeze etc.
Bactericidal composition of the present invention, can be processed into acceptable formulation in any sterilization on demand, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Composition comprises following constituent content when making wetting powder: active components A 0.5% ~ 60%, active component B0.5% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 0.5% ~ 60%, active component B0.5% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following constituent content when making suspending agent: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following constituent content when making suspension emulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 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%.
Composition comprises following constituent content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water supply surplus.
Composition comprises following constituent content when making microemulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water supply surplus.
Composition comprises following constituent content when making microcapsule suspending agent: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, organic solvent 1% ~ 10%, emulsifier 1% ~ 7%, defoamer 0.01% ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Composition comprises following constituent content when making microcapsule suspension-suspendinagent agent: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, organic solvent 1% ~ 15%, emulsifier 1% ~ 6%, 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:
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-suspendinagent agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) benzo alkene fluorine bacterium azoles and fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin composite after, there is obvious synergy and lasting effect; (2) all greater activity is had to the disease on 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; (3) decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate environmental pollution; (4) to person poultry safety, Environmental compatibility is good; And preparation adhesion strength strengthens, resistance of rainwater washing against.
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 ~ 12 wetting powder
Benzo alkene fluorine bacterium azoles, active component B, dispersant, wetting agent, filler are mixed in mixed cylinder, mixes again after airslide disintegrating mill is pulverized, wetting powder product of the present invention can be obtained, specifically in table 1.
The each component of table 1 embodiment 1 ~ 12 and weight portion
Embodiment 13 ~ 24 water dispersible granules
Benzo alkene fluorine bacterium azoles, 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 13 ~ 24 and weight portion
Embodiment 25 ~ 36 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 benzo alkene fluorine bacterium azoles, 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 25 ~ 36 and weight portion
Embodiment 37 ~ 42 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 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, solvent, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, surplus deionized water is supplied, obtained suspension emulsion product of the present invention, specifically in table 4.
The each component of table 4 embodiment 37 ~ 42 and weight portion
Embodiment 43 ~ 52 aqueous emulsion
Benzo alkene fluorine bacterium azoles, 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, surplus deionized water is supplied; Aqueous emulsion product of the present invention can be obtained, specifically in table 5.
The each component of table 5 embodiment 43 ~ 52 and weight portion
Fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin in table 1 ~ 5 are exchanged, can novel formulation be obtained.
Embodiment 53 ~ 55 microemulsion
Benzo alkene fluorine bacterium azoles, active component B, solvent, emulsifier, antifreeze (can add and can not add), defoamer are fully mixed into the oil phase of homogeneous transparent, under agitation slowly add deionized water, form WO emulsion, again through agitating heating, make it rapid phase inversion and become oil-in-water type, be chilled to room temperature to make it to reach balance, after filtration, surplus deionized water is supplied; Microemulsion product of the present invention can be obtained, specifically in table 6.
The each component of table 6 embodiment 53 ~ 55 and weight portion
Embodiment 56,57 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, 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.
Table 7 embodiment 56,57 each component and weight portion
Embodiment 58,59 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 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, make the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition, specifically in table 8.
Table 8 embodiment 58,59 each component and weight portion
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 EC50 value of often kind of medicament thus.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 is selected from the one in fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin.
Application Example two:
For examination disease: soybean rust
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 fluoxastrobin 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 soybean rust of fluoxastrobin
As shown in Table 9, benzo alkene fluorine bacterium azoles and fluoxastrobin proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of soybean rust, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of benzo alkene fluorine bacterium azoles and fluoxastrobin is at 1 ︰ 20 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.20.Testing through applicant the optimum ratio finding benzo alkene fluorine bacterium azoles and fluoxastrobin is 20:1,15:1,10:1,5:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:13,1:15,1:20, especially when benzo alkene fluorine bacterium azoles and fluoxastrobin weight ratio are 1:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three
For examination disease: powdery mildew of cucumber
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination benzo alkene fluorine bacterium azoles and the former medicine of azoles bacterium ester and the two different ratio mixture.
Table 10 benzo alkene fluorine bacterium azoles and the composite toxicity test analysis of results table to powdery mildew of cucumber of azoles bacterium ester
As shown in Table 10, benzo alkene fluorine bacterium azoles and azoles bacterium ester proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of powdery mildew of cucumber, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of benzo alkene fluorine bacterium azoles and azoles bacterium ester is at 1 ︰ 20 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.15.Testing through applicant the optimum ratio finding benzo alkene fluorine bacterium azoles and azoles bacterium ester is 20:1,15:1,10:1,8:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:10,1:12,1:15,1:20, especially when benzo alkene fluorine bacterium azoles and azoles bacterium ester weight ratio are 1:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four
For examination disease: grape 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 kresoxim-methyl and the two different ratio mixture.
Table 11 benzo alkene fluorine bacterium azoles and the composite toxicity test analysis of results table to grape powdery mildew of kresoxim-methyl
As shown in Table 11, benzo alkene fluorine bacterium azoles and kresoxim-methyl proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of grape powdery mildew, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of benzo alkene fluorine bacterium azoles and kresoxim-methyl is at 1 ︰ 30 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.10.Testing through applicant the optimum ratio finding benzo alkene fluorine bacterium azoles and kresoxim-methyl is 30:1,25:1,20:1,15:1,10:1,8:1,6:1,5:1,4:1,3:1,2:1,1:1,2:3,1:2,1:3,1:4,1:5,1:6,1:8,1:10,1:12,1:15,1:20,1:30, especially when benzo alkene fluorine bacterium azoles and kresoxim-methyl weight ratio are 2:3, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five
For examination disease: rice sheath blight disease
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 orysastrobin and the two different ratio mixture.
Table 12 benzo alkene fluorine bacterium azoles and the composite toxicity test analysis of results table to rice sheath blight disease of orysastrobin
As shown in Table 12, benzo alkene fluorine bacterium azoles and orysastrobin proportioning are all greater than 1.5 when 1 ︰ 80 ~ 60 ︰ 1 to the synergy ratio SR of rice sheath blight disease, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of benzo alkene fluorine bacterium azoles and orysastrobin is at 1 ︰ 30 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.15.Testing through applicant the optimum ratio finding benzo alkene fluorine bacterium azoles and orysastrobin is 30:1,25:1,20:1,15:1,10:1,8:1,6:1,5:1,4:1,3:1,2:1,1:1,2:3,1:2,1:3,1:4,1:5,1:6,1:8,1:10,1:12,1:15,1:20,1:30, especially when benzo alkene fluorine bacterium azoles and orysastrobin weight ratio are 2:3, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test find: benzo alkene fluorine bacterium azoles and active component B composite after have obvious synergistic effect to the control of the gray mold in various crop, downy mildew, peronospora tabacina, powdery mildew, epidemic disease, leaf mold, shot hole, scab, anthracnose, spot defoliation, rust, ring spot, leaf spot, spike rot, fusarium wilt, damping off, rice blast, anthrachose of grape, banded sclerotial blight or brown spot, synergy ratio SR is all greater than 1.5.
Effect experiment part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 10% fluoxastrobin missible oil (commercial), 20% azoles bacterium ester suspending agent (autogamy), 20% kresoxim-methyl wetting powder (autogamy), 20% orysastrobin wetting powder (autogamy).
Application Example six benzo alkene fluorine bacterium azoles and active component B and the composite control ornamental flower powdery mildew test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation ornamental flower powdery mildew disease index before medicine, in the dispenser of disease initial stage of origination, 5 days, 15 days, 30 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 13 benzo alkene fluorine bacterium azoles and active component B and the composite control ornamental flower powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 13, benzo alkene fluorine bacterium azoles and active component B composite after can effectively prevent and treat ornamental flower powdery mildew, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also can effectively prevent and treat ornamental flower rust, control efficiency is all higher than 96%, be 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 rice blast test of pesticide effectiveness thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation rice blast disease index before medicine, in the dispenser of disease initial stage of origination, 3 days, 7 days, 15 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 14 benzo alkene fluorine bacterium azoles and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 14, benzo alkene fluorine bacterium azoles and active component B and composite control rice blast thereof, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also can effectively the water prevention rice sheath blight, powdery mildew, damping off, control efficiency is all higher than 95%, be 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 the composite control grape grey mould test of pesticide effectiveness thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation grape grey mould disease index before medicine, in the dispenser of disease initial stage of origination, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 15 benzo alkene fluorine bacterium azoles and active component B and the composite control grape grey mould 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 grape grey mould, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also can effectively prevent and treat downy mildew of garpe, powdery mildew, anthrachose of grape, anthracnose, control efficiency is all higher than 96%, be 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 peronophythora litchi test of pesticide effectiveness thereof
This test arrangement is in suburb, Huilai county, Jie Yang County Guangdong Provice, and investigation peronophythora litchi disease index before medicine, in the dispenser of disease initial stage of origination, 10 days, 20 days, 30 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 16 benzo alkene fluorine bacterium azoles and active component B and the composite control peronophythora litchi test of pesticide effectiveness thereof
As can be seen from Table 16, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat peronophythora litchi, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also can effectively prevent and treat downy mildew of lichee, epidemic disease, control efficiency is all higher than 95%, be 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 benzo alkene fluorine bacterium azoles and active component B and compositely prevent and treat the apple rust test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City Baishui County, and investigation apple tree rust diseases index before medicine, in the dispenser of disease initial stage of origination, 7 days, 14 days, 25 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 17 benzo alkene fluorine bacterium azoles and active component B and the composite control apple tree rust test of pesticide effectiveness thereof
As can be seen from Table 17, benzo alkene fluorine bacterium azoles and active component B composite after can effectively preventing and treating apple-tree rust, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also can effectively preventing and treating apple-tree powdery mildew, brown spot, ring spot, scab, spot defoliation, leaf spot, control efficiency is all higher than 96%, be 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 the composite rear preventive effect to Common Diseases such as the gray mold in various crop, downy mildew, peronospora tabacina, powdery mildew, epidemic disease, leaf mold, shot hole, scab, anthracnose, spot defoliation, rust, ring spot, leaf spot, spike rot, fusarium wilt, damping off, rice blast, anthrachose of grape, banded sclerotial blight or brown spots of fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin are all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. one kind contains the bactericidal composition of benzo alkene fluorine bacterium azoles and methoxy acrylic, 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 benzo alkene fluorine bacterium azoles, and active component B is selected from the one in fluoxastrobin, azoles bacterium ester, kresoxim-methyl or orysastrobin.
2. the bactericidal composition containing benzo alkene fluorine bacterium azoles and methoxy acrylic 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 benzo alkene fluorine bacterium azoles and methoxy acrylic according to claim 2, is characterized in that:
The weight ratio of benzo alkene fluorine bacterium azoles and fluoxastrobin or azoles bacterium ester is 1 ︰ 20 ~ 20 ︰ 1;
The weight ratio of benzo alkene fluorine bacterium azoles and kresoxim-methyl or orysastrobin is 1 ︰ 30 ~ 30 ︰ 1.
4. the bactericidal composition containing benzo alkene fluorine bacterium azoles and methoxy acrylic according to any one of claim 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent or microcapsule suspension-suspendinagent agent.
5. the bactericidal composition containing benzo alkene fluorine bacterium azoles and methoxy acrylic according to claim 4 is for preventing and treating the purposes of disease on crops.
6. purposes according to claim 5, it is characterized in that, described disease comprises gray mold, downy mildew, peronospora tabacina, powdery mildew, epidemic disease, leaf mold, shot hole, scab, anthracnose, spot defoliation, rust, ring spot, leaf spot, spike rot, fusarium wilt, damping off, rice blast, anthrachose of grape, banded sclerotial blight or brown spot.
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| CN106070248A (en) * | 2016-08-09 | 2016-11-09 | 李祥英 | A kind of containing benzo alkene fluorine bacterium azoles and the bactericidal composition of fluoxastrobin |
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| CN101296913A (en) * | 2005-10-25 | 2008-10-29 | 先正达参股股份有限公司 | Heterocyclic amide derivatives useful as microbiocides |
| CN101677558A (en) * | 2007-04-25 | 2010-03-24 | 先正达参股股份有限公司 | fungicidal compositions |
| WO2014023627A1 (en) * | 2012-08-06 | 2014-02-13 | Syngenta Participations Ag | Method of combatting sudden death syndrome in plants |
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| CN101296913A (en) * | 2005-10-25 | 2008-10-29 | 先正达参股股份有限公司 | Heterocyclic amide derivatives useful as microbiocides |
| CN101677558A (en) * | 2007-04-25 | 2010-03-24 | 先正达参股股份有限公司 | fungicidal compositions |
| WO2014023627A1 (en) * | 2012-08-06 | 2014-02-13 | Syngenta Participations Ag | Method of combatting sudden death syndrome in plants |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106070248A (en) * | 2016-08-09 | 2016-11-09 | 李祥英 | A kind of containing benzo alkene fluorine bacterium azoles and the bactericidal composition of fluoxastrobin |
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