A kind of bactericidal composition containing benzo alkene fluorine bacterium azoles and triazole type
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 triazole type.
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.
Penconazole, triticonazole all belong to common fungicide, 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.Through inventor's research, find benzo alkene fluorine bacterium azoles and penconazole, triticonazole is composite after can produce good synergistic effect, and not yet open about the relevant report that benzo alkene fluorine bacterium azoles and penconazole, triticonazole are composite.
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 triazole type.
The bactericidal composition containing benzo alkene fluorine bacterium azoles and triazole type that the present invention proposes contains active components A and active component B, activity is divided into A and active component B weight ratio is 1 ︰ 80 ~ 80 ︰ 1, described active components A is benzo alkene fluorine bacterium azoles, active component B is selected from the one in penconazole, triticonazole, and active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 60 ︰ 1; The weight ratio being more preferably benzo alkene fluorine bacterium azoles and penconazole is 1:15 ~ 25:1, and the weight ratio of benzo alkene fluorine bacterium azoles and triticonazole is 1:20 ~ 20:1; The weight ratio most preferably being benzo alkene fluorine bacterium azoles and penconazole is 1:4 ~ 14:1, and the weight ratio of benzo alkene fluorine bacterium azoles and triticonazole is 1:9 ~ 9:1.
The bactericidal composition containing benzo alkene fluorine bacterium azoles and triazole type 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 is powdery mildew, white rot, rust, smut.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 80 ︰ 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, acceptable formulation in any sterilization can be processed on demand, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent or microcapsule suspension-suspendinagent agent, can also make granule, seed coat agent, suspension seed-coating agent, ultra low volume liquids.
Composition comprises following constituent content when making wetting powder: active components A 0.1% ~ 80%, active component B0.1% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 0.1% ~ 80%, active component B0.1% ~ 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 0.1% ~ 50%, active component B0.1% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
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 penconazole, triticonazole 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 ~ 8 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 ~ 8 and weight portion
Embodiment 9 ~ 16 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 9 ~ 16 and weight portion
Embodiment 17 ~ 24 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 17 ~ 24 and weight portion
Embodiment 25 ~ 28 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 active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, the suspending agent of obtained active component B, then by benzo alkene fluorine bacterium azoles, 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 25 ~ 28 and weight portion
Embodiment 29 ~ 32 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 29 ~ 32 and weight portion
Penconazole in 1-5 will be shown, triticonazole will exchange, can novel formulation be obtained.
Embodiment 33 ~ 35 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 33 ~ 35 and weight portion
Embodiment 36,37 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 36,37 each component and weight portion
Embodiment 38,39 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 38,39 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 penconazole, triticonazole.
Application Example two:
For examination disease: grape powdery mildew; Test medicine provides by applicant.
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination benzo alkene fluorine bacterium azoles and the former medicine of penconazole 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 grape powdery mildew of penconazole
As shown in Table 9, benzo alkene fluorine bacterium azoles and penconazole proportioning are all greater than 1.5 when 80 ︰ 1 ~ 1 ︰ 80 to the synergy ratio SR of grape powdery mildew, both explanations mixture in 80 ︰ 1 ~ 1 ︰ 80 scopes all shows synergistic effect, when the proportioning of benzo alkene fluorine bacterium azoles and penconazole is at 25 ︰ 1 ~ 1 ︰ 15, synergistic effect is more outstanding, and synergy ratio is all more than 2.25; When the proportioning of benzo alkene fluorine bacterium azoles and penconazole is at 14 ︰ 1 ~ 1 ︰ 4, synergistic effect is more outstanding, and synergy ratio is all more than 2.40, and especially when benzo alkene fluorine bacterium azoles and penconazole weight ratio are 5:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: wheat rust; Test medicine provides by applicant.
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination benzo alkene fluorine bacterium azoles and the former medicine of triticonazole and the two different ratio mixture.
Toxicity test result
Table 10 benzo alkene fluorine bacterium azoles and the composite toxicity test analysis of results table to wheat rust of triticonazole
As shown in Table 10, benzo alkene fluorine bacterium azoles and triticonazole proportioning are all greater than 1.5 when 80 ︰ 1 ~ 1 ︰ 80 to the synergy ratio SR of wheat rust, both explanations mixture in 80 ︰ 1 ~ 1 ︰ 80 scopes all shows synergistic effect, when the proportioning of benzo alkene fluorine bacterium azoles and triticonazole is at 20 ︰ 1 ~ 1 ︰ 20, synergistic effect is more outstanding, and synergy ratio is all more than 2.35; When the proportioning of benzo alkene fluorine bacterium azoles and triticonazole is at 1 ︰ 9 ~ 9 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.40, and especially when benzo alkene fluorine bacterium azoles and triticonazole weight ratio are 3:2, synergy ratio is maximum, and synergistic effect is the most obvious.
The applicant found benzene and ene fluorine bacteria azole and e bacteria of optimizing proportion of 25:23:1, 24:1, 1, 1, 21:1, 22:20:1, 1, 19:18:1, 17:1, 16:14:1, 15:1, 1, 1, 1, 12:13:11:1, 10:1, 9:1, 8:1, 7:1, 1, 1, 4, 5:6: : 1, 3, 1, 1, 2:1:1, 2, 1:1:3, 1:1:4, 5, 1:1:6, 7, 1:1:8, 9, 1:1:10, 11, 1:1:12, 13, 1:1:14, 15,Benzene and olefinic fluorine bacteria azole and sterilization of the optimum ratio of 20:1, 19:1, 18:1, 17:1, 16:1, 15:1, 14:1, 1:1, 12, 13, 11:1, 10:1, 9:1, 8:1, 7:1, 1, 1, 4, 5:6: : 1, 3, 1, 1, 2:1:1, 1:1:2, 3, 1:1:4, 5, 1:1:6, 7, 1:1:8, 9, 1:1:10, 11, 1:1:12, 13, 1:1:14, 15, 1:1:16, 17, 18, 19, 1:1:1:20;Synergy is more obvious.
Find through test simultaneously: benzo alkene fluorine bacterium azoles and active component B composite after have obvious synergistic effect to the control of the powdery mildew in various crop, white rot, rust, smut, synergy ratio SR is all greater than 1.5.
Effect experiment part: test medicine is researched and developed by applicant, provided, contrast medicament 15% benzo alkene triflumizole water dispersant (autogamy), 10% penconazole missible oil (commercial), 28% triticonazole suspending agent (autogamy).
Application Example four benzo alkene fluorine bacterium azoles and active component B and compositely prevent and treat the fruit white rot of grape test of pesticide effectiveness.
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation fruit white rot of grape 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 11 benzo alkene fluorine bacterium azoles and active component B and compositely prevent and treat the fruit white rot of grape test of pesticide effectiveness
As can be seen from Table 11, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat fruit white rot of grape, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also effectively can prevent and treat grape powdery mildew, control efficiency is all higher than 97%, 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 pentaphene alkene fluorine bacterium azoles and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness.
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation powdery mildew of cucumber 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 12 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 12, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat powdery mildew of cucumber, control efficiency, all higher than 97%, is 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 wheat smut test of pesticide effectiveness.
This test arrangement is in Liquan County, Xianyang, Shanxi province city, and investigation wheat smut disease index before medicine, in the dispenser of disease initial stage of origination, investigates disease index in after dispenser 3 days, 10 days, 20 days
As can be seen from Table 13, benzo alkene fluorine bacterium azoles and active component B composite after effectively can prevent and treat wheat smut, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also can effectively prevent and treat wheat powdery mildew and rust, control efficiency is all higher than 97%, 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 flowers rust test of pesticide effectiveness thereof.
This test arrangement is in Shandong Province, and investigation flowers rust diseases 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 14 benzo alkene fluorine bacterium azoles and active component B and the composite control flowers rust test of pesticide effectiveness thereof
As can be seen from Table 14, benzo alkene fluorine bacterium azoles and active component B composite after can effectively prevent and treat flowers rust, through applicant test find benzo alkene fluorine bacterium azoles and active component B composite after also can effectively prevent and treat flowers powdery mildew, control efficiency is all higher than 97%, 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 powdery mildew in various crop, white rot, rust, smut of active component B are all more than 97%, be better than single dose preventive effect, synergistic effect is obvious.