CN105211117A - A kind of composition pesticide containing Gentrin Knotweed P.E and triazole type - Google Patents
A kind of composition pesticide containing Gentrin Knotweed P.E and triazole type Download PDFInfo
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Abstract
The invention discloses a kind of composition pesticide containing Gentrin Knotweed P.E and triazole type, bactericidal composition containing active components A and active component B, wherein active components A is Gentrin Knotweed P.E, active component B is selected from any one compound following: own azoles alcohol, epoxiconazole, Difenoconazole, propiconazole, and the weight ratio of active components A and active component B is 1 ︰ 80 ~ 80 ︰ 1.The multiple diseases of the present composition to harm agricultural production has synergistic effect, and decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate environmental pollution, to person poultry safety, Environmental compatibility is good, and disease not easily develops immunity to drugs.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of composition pesticide on corps diseases containing Gentrin Knotweed P.E and triazole type.
Background technology
Gentrin Knotweed P.E (sedaxane), giant knotweed this product is stem and the root of polygonaceae plant giant knotweed (PolygonumcuspidatumSieb.etZucc), is the important traditional Chinese medicine of China; Mainly comprising archen and Physcion in Gentrin Knotweed P.E, is viscous pasty state, has special efficacy to preventing and treating powdery mildew of cucumber.
Own azoles alcohol, epoxiconazole, Difenoconazole or propiconazole all belong to triazole bactericidal agent, 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 produce good synergistic effect by after Gentrin Knotweed P.E and own azoles alcohol, epoxiconazole, Difenoconazole, propiconazole compound, and not yet open about the relevant report of Gentrin Knotweed P.E and own azoles alcohol, epoxiconazole, Difenoconazole, propiconazole compound.
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 composition pesticide of Gentrin Knotweed P.E and triazole type.
The composition pesticide containing Gentrin Knotweed P.E 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 selected from Gentrin Knotweed P.E, active component B selects oneself the one in azoles alcohol, epoxiconazole, Difenoconazole, propiconazole, and active components A and the preferred weight ratio of active component B are 1 ︰ 50 ~ 50 ︰ 1; The weight ratio being more preferably Gentrin Knotweed P.E and olefin conversion is 20:1 ~ 1:20; The weight ratio of Gentrin Knotweed P.E and cyproconazole is 20:1 ~ 1:20; The weight ratio of Gentrin Knotweed P.E and penconazole is 20:1 ~ 1:20; The weight ratio of Gentrin Knotweed P.E and fluorine bacterium azoles is 15:1 ~ 1:25; The weight ratio most preferably being Gentrin Knotweed P.E and olefin conversion is 9:1 ~ 1:9; The weight ratio of Gentrin Knotweed P.E and cyproconazole is 9:1 ~ 1:9; The weight ratio of Gentrin Knotweed P.E and penconazole is 9:1 ~ 1:9; The weight ratio of Gentrin Knotweed P.E and fluorine bacterium azoles is 4:1 ~ 1:14.
The composition pesticide containing Gentrin Knotweed P.E 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 gray mold, powdery mildew, scab, spot defoliation, false smut, banded sclerotial blight, brown rot, rust, leaf spot, leaf blight, epidemic disease, anthrachose of grape, spot blight, black spot, anthracnose or shot hole.
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 0.1% ~ 50%, active component B0.1% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 1% ~ 15%, thickener 0 ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following constituent content when making aqueous emulsion: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water supply surplus.
Composition comprises following constituent content when making microemulsion: active components A 0.1% ~ 50%, active component B0.1% ~ 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 0.1% ~ 50%, active component B0.1% ~ 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 0.1% ~ 50%, active component B0.1% ~ 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), after Gentrin Knotweed P.E and own azoles alcohol, epoxiconazole, Difenoconazole, propiconazole compound, 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 ~ 15 wetting powder
Gentrin Knotweed P.E, 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 ~ 15 and weight portion
Embodiment 16 ~ 30 water dispersible granules
Gentrin Knotweed P.E, 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 16 ~ 30 and weight portion
Embodiment 31 ~ 42 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 Gentrin Knotweed P.E, 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 31 ~ 42 and weight portion
Embodiment 42 ~ 48 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 fluorine mepanipyrim, 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 42 ~ 48 and weight portion
Embodiment 49 ~ 55 aqueous emulsion
Gentrin Knotweed P.E, 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 49 ~ 55 and weight portion
Own azoles alcohol in 1-5, epoxiconazole, Difenoconazole, propiconazole exchange will be shown, can novel formulation be obtained.
Embodiment 56 ~ 58 microemulsion
Gentrin Knotweed P.E, 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 56 ~ 58 and weight portion
Embodiment 59,60 microcapsule suspending agent
By Gentrin Knotweed P.E, 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 59,60 each component and weight portion
Embodiment 61,62 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 Gentrin Knotweed P.E, 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 61,62 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 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 Gentrin Knotweed P.E;
B selects oneself the one in azoles alcohol, epoxiconazole, Difenoconazole, propiconazole.
Application Example two:
For examination disease: powdery mildew of cucumber
Test medicine provides by applicant.
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Gentrin Knotweed P.E and the former medicine of own azoles alcohol and the two different ratio mixture.
Toxicity test result
Table 9 Gentrin Knotweed P.E and the composite toxicity test analysis of results table to powdery mildew of cucumber of own azoles alcohol
As shown in Table 9, Gentrin Knotweed P.E and own azoles alcohol proportioning are all greater than 1.5 when 80 ︰ 1 ~ 1 ︰ 80 to the synergy ratio SR of powdery mildew of cucumber, both explanations mixture in 80 ︰ 1 ~ 1 ︰ 80 scopes all shows synergistic effect, when the proportioning of Gentrin Knotweed P.E and own azoles alcohol is at 20 ︰ 1 ~ 1 ︰ 20, synergistic effect is more outstanding, and synergy ratio is all more than 2.20; When the proportioning of Gentrin Knotweed P.E and own azoles alcohol is at 1 ︰ 9 ~ 9 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.35.Testing through applicant the optimum ratio finding Gentrin Knotweed P.E and own azoles alcohol is 20 ︰ 1, 19 ︰ 1, 18 ︰ 1, 17 ︰ 1, 16 ︰ 1, 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 10 ︰ 1, 9 ︰ 1, 8 ︰ 1, 7 ︰ 1, 6 ︰ 1, 5 ︰ 1, 4 ︰ 1, 3 ︰ 1, 2 ︰ 1, 1 ︰ 1, 1 ︰ 2, 1 ︰ 3, 1 ︰ 4, 1 ︰ 5, 1 ︰ 6, 1 ︰ 7, 1 ︰ 8, 1 ︰ 9, 1 ︰ 10, 1 ︰ 11, 1 ︰ 12, 1 ︰ 13, 1 ︰ 14, 1 ︰ 15, 1 ︰ 16, 1 ︰ 17, 1 ︰ 18, 1 ︰ 19, 1 ︰ 20, especially when Gentrin Knotweed P.E and own azoles alcohol weight ratio are 1:1, synergy ratio is maximum, synergistic effect is the most obvious.
Application Example three:
For examination disease: rice green smut
Test medicine provides by applicant.
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Gentrin Knotweed P.E and epoxiconazole raw drug and the two different ratio mixture.
Toxicity test result
Table 10 Gentrin Knotweed P.E and the composite toxicity test analysis of results table to rice green smut of epoxiconazole
As shown in Table 10, Gentrin Knotweed P.E and epoxiconazole proportioning are all greater than 1.5 when 80 ︰ 1 ~ 1 ︰ 80 to the synergy ratio SR of rice green smut, both explanations mixture in 80 ︰ 1 ~ 1 ︰ 80 scopes all shows synergistic effect, when the proportioning of Gentrin Knotweed P.E and epoxiconazole is at 20 ︰ 1 ~ 1 ︰ 20, synergistic effect is more outstanding, and synergy ratio is all more than 2.35; When the proportioning of Gentrin Knotweed P.E and epoxiconazole is at 1 ︰ 9 ~ 9 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.40.Testing through applicant the optimum ratio finding Gentrin Knotweed P.E and epoxiconazole is 20 ︰ 1, 19 ︰ 1, 18 ︰ 1, 17 ︰ 1, 16 ︰ 1, 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 10 ︰ 1, 9 ︰ 1, 8 ︰ 1, 7 ︰ 1, 6 ︰ 1, 5 ︰ 1, 4 ︰ 1, 3 ︰ 1, 2 ︰ 1, 2:3, 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 ︰ 16, 1 ︰ 17, 1 ︰ 18, 1 ︰ 19, 1 ︰ 20, especially when Gentrin Knotweed P.E and epoxiconazole weight ratio are 2:3, synergy ratio is maximum, synergistic effect is the most obvious.
Application Example four:
For examination disease: grape powdery mildew
Test medicine provides by applicant.
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Gentrin Knotweed P.E and difenoconazole technical material and the two different ratio mixture.
Toxicity test result
Table 11 Gentrin Knotweed P.E and the composite toxicity test analysis of results table to grape powdery mildew of Difenoconazole
As shown in Table 11, Gentrin Knotweed P.E and Difenoconazole 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 Gentrin Knotweed P.E and Difenoconazole is at 20 ︰ 1 ~ 1 ︰ 20, synergistic effect is more outstanding, and synergy ratio is all more than 2.25; When the proportioning of Gentrin Knotweed P.E and Difenoconazole is at 1 ︰ 9 ~ 9 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.35.Testing through applicant the optimum ratio finding Gentrin Knotweed P.E and Difenoconazole is 20 ︰ 1, 19 ︰ 1, 18 ︰ 1, 17 ︰ 1, 16 ︰ 1, 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 10 ︰ 1, 9 ︰ 1, 8 ︰ 1, 7 ︰ 1, 6 ︰ 1, 5 ︰ 1, 4 ︰ 1, 3 ︰ 1, 2 ︰ 1, 1 ︰ 1, 1 ︰ 2, 1 ︰ 3, 1 ︰ 4, 1 ︰ 5, 1 ︰ 6, 1 ︰ 7, 1 ︰ 8, 1 ︰ 9, 1 ︰ 10, 1 ︰ 11, 1 ︰ 12, 1 ︰ 13, 1 ︰ 14, 1 ︰ 15, 1 ︰ 16, 1 ︰ 17, 1 ︰ 18, 1 ︰ 19, 1 ︰ 20, especially when Gentrin Knotweed P.E and Difenoconazole weight ratio are 1:1, synergy ratio is maximum, synergistic effect is the most obvious.
Application Example five:
For examination disease: bakanae disease of rice
Test medicine provides by applicant.
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Gentrin Knotweed P.E and propiconazole and the two different ratio mixture.
Toxicity test result
Table 12 Gentrin Knotweed P.E and propiconazole compound are to the toxicity test analysis of results table of bakanae disease of rice
As shown in Table 12, Gentrin Knotweed P.E and propiconazole proportioning are all greater than 1.5 when 80 ︰ 1 ~ 1 ︰ 80 to the synergy ratio SR of bakanae disease of rice, both explanations mixture in 80 ︰ 1 ~ 1 ︰ 80 scopes all shows synergistic effect, when the proportioning of Gentrin Knotweed P.E and propiconazole is at 15 ︰ 1 ~ 1 ︰ 25, synergistic effect is more outstanding, and synergy ratio is all more than 2.30; When the proportioning of Gentrin Knotweed P.E and propiconazole is at 1 ︰ 14 ~ 4 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.40.Testing through applicant the optimum ratio finding Gentrin Knotweed P.E and propiconazole is 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 10 ︰ 1, 9 ︰ 1, 8 ︰ 1, 7 ︰ 1, 6 ︰ 1, 5 ︰ 1, 4 ︰ 1, 3 ︰ 1, 2 ︰ 1, 1 ︰ 1, 1 ︰ 2, 1 ︰ 3, 1 ︰ 4, 1 ︰ 5, 1 ︰ 6, 1 ︰ 7, 1 ︰ 8, 1 ︰ 9, 1 ︰ 10, 1 ︰ 11, 1 ︰ 12, 1 ︰ 13, 1 ︰ 14, 1 ︰ 15, 1 ︰ 16, 1 ︰ 17, 1 ︰ 18, 1 ︰ 19, 1 ︰ 20, 1 ︰ 21, 1 ︰ 22, 1 ︰ 23, 1 ︰ 24, 1 ︰ 25, especially when Gentrin Knotweed P.E and propiconazole weight ratio are 1:3, synergy ratio is maximum, synergistic effect is the most obvious.
Through test find: Gentrin Knotweed P.E and active component B composite after have obvious synergistic effect to the control of the gray mold in various crop, powdery mildew, scab, spot defoliation, false smut, banded sclerotial blight, brown rot, rust, leaf spot, leaf blight, epidemic disease, anthrachose of grape, spot blight, black spot, anthracnose or shot hole, synergy ratio SR is all greater than 1.5.
Effect experiment part: test medicine is researched and developed by applicant, provided, contrast medicament 20% Gentrin Knotweed P.E wetting powder (autogamy), 30% hexaconazole suspending agent (commercial), 12.5% epoxiconazole suspension concentrate (commercial), 3% difenoconazole suspending seed-dressing agent (commercial), 25% propiconazole emulsifiable concentrate (commercial).
Application Example six Gentrin Knotweed P.E and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness.
This test arrangement is at Xianyang, 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 13 Gentrin Knotweed P.E and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 13, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat powdery mildew of cucumber, through applicant test find Gentrin Knotweed P.E and active component B composite after also can effectively prevent and treat cucumber anthracnose and gray mold of cucumber, 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 Gentrin Knotweed P.E and active component B and the composite water prevention rice sheath blight test of pesticide effectiveness thereof.
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice sheath blight disease 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 14 Gentrin Knotweed P.E and active component B and the composite water prevention rice sheath blight test of pesticide effectiveness thereof
As can be seen from Table 14, Gentrin Knotweed P.E and active component B composite after can the effective water prevention rice sheath blight, through applicant test find Gentrin Knotweed P.E and active component B composite after also can effectively prevent and treat paddy rice leaf blight and rice green smut, 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 eight Gentrin Knotweed P.E and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness.
This test arrangement is in Liquan County, Xianyang, Shanxi province city, and investigation wheat rust 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 Gentrin Knotweed P.E and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
As can be seen from Table 15, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat wheat rust, through applicant test find Gentrin Knotweed P.E and active component B composite after also can effectively prevent and treat wheat powdery mildew, wheat sharp eyespot, 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 nine Gentrin Knotweed P.E and active component B and the composite control rice green smut test of pesticide effectiveness thereof.
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice green smut 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 16 Gentrin Knotweed P.E and active component B and the composite control rice green smut test of pesticide effectiveness thereof
As can be seen from Table 16, Gentrin Knotweed P.E and active component B composite after can preventing and controlling green smut of rice, through applicant test find Gentrin Knotweed P.E and active component B composite after also can effectively the water prevention rice sheath blight and Rice Leaf rot, 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 ten Gentrin Knotweed P.E and active component B and the composite control pear scab test of pesticide effectiveness thereof.
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation pear scab 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 17 Gentrin Knotweed P.E and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 17, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat pear scab, 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 11 Gentrin Knotweed P.E and active component B and compositely prevent and treat the sigatoka test of pesticide effectiveness.
This test arrangement is in Pubei County, Guangxi, Shaanxi Province, and investigation sigatoka 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 18 Gentrin Knotweed P.E and active component B and compositely prevent and treat the sigatoka test of pesticide effectiveness
As can be seen from Table 18, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat sigatoka, through applicant test find Gentrin Knotweed P.E and active component B composite after also effectively can prevent and treat banana freckle, 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, Gentrin Knotweed P.E and the composite rear preventive effect to Common Diseases such as the gray mold in various crop, powdery mildew, scab, spot defoliation, false smut, banded sclerotial blight, brown rot, rust, leaf spot, leaf blight, epidemic disease, anthrachose of grape, spot blight, black spot, anthracnose or shot holes of active component B are all more than 97%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. one kind contains the composition pesticide of Gentrin Knotweed P.E and triazole type, effective active composition is active components A and active component B, it is characterized in that: active components A and active component B weight ratio are 1 ︰ 80 ~ 80 ︰ 1, described active components A is Gentrin Knotweed P.E, and active component B selects oneself the one in azoles alcohol, epoxiconazole, Difenoconazole, propiconazole.
2. the composition pesticide containing Gentrin Knotweed P.E and triazole type according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 50 ~ 50 ︰ 1.
3. the composition pesticide containing Gentrin Knotweed P.E and triazole type according to claim 2, is characterized in that:
The weight ratio of Gentrin Knotweed P.E and olefin conversion is 20:1 ~ 1:20;
The weight ratio of Gentrin Knotweed P.E and cyproconazole is 20:1 ~ 1:20;
The weight ratio of Gentrin Knotweed P.E and penconazole is 20:1 ~ 1:20;
The weight ratio of Gentrin Knotweed P.E and fluorine bacterium azoles is 15:1 ~ 1:25.
4. the composition pesticide containing Gentrin Knotweed P.E and triazole type 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 composition pesticide containing Gentrin Knotweed P.E and triazole type according to claim 4 is for preventing and treating the purposes of disease on crops.
6. purposes according to claim 5, is characterized in that: described disease is gray mold, powdery mildew, scab, spot defoliation, false smut, banded sclerotial blight, brown rot, rust, leaf spot, leaf blight, epidemic disease, anthrachose of grape, spot blight, black spot, anthracnose or shot hole.
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| CN106234479A (en) * | 2016-07-29 | 2016-12-21 | 安徽徽王农业有限公司 | Insect pest medicament for blue berry and its preparation method and application |
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| CN107136089A (en) * | 2017-05-27 | 2017-09-08 | 广西南宁黑泥巴农业科技有限公司 | A kind of composition pesticide containing Physcion |
| CN108013079A (en) * | 2017-12-15 | 2018-05-11 | 广西南宁乐蕊生物科技有限责任公司 | A kind of bactericidal composition and its application |
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Address after: 715500 Pucheng high tech Industrial Development Zone, Weinan, Shaanxi Applicant after: Shaanxi Mei Bang Pharmaceutical Group Limited by Share Ltd Address before: 715500 Industrial Park of Agrochemical Base, Pucheng County, Shaanxi Province, Weinan City, Shaanxi Province Applicant before: Shaanxi Meibang Pesticide Co., Ltd. |
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