CN105815319A - Efficient fungicidal composition containing fenamidone and triazole - Google Patents
Efficient fungicidal composition containing fenamidone and triazole Download PDFInfo
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- CN105815319A CN105815319A CN201610172210.8A CN201610172210A CN105815319A CN 105815319 A CN105815319 A CN 105815319A CN 201610172210 A CN201610172210 A CN 201610172210A CN 105815319 A CN105815319 A CN 105815319A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/50—1,3-Diazoles; Hydrogenated 1,3-diazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
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Abstract
The invention discloses an efficient fungicidal composition containing fenamidone and triazole. The fungicidal composition is prepared from an active component A and an active component B, the component A is selected from fenamidone, the component B is triazole fungicide, the triazole fungicide is selected from any compound of tetraconazole, penconazole, flusilazole and prothioconazole, and the weight ratio of the active component A to the active component B is 1:60 to 80:1. The composition has high activity on various diseases on various crops, the obvious synergistic effect is achieved, and the fungicidal spectrum is expanded; the composition has the advantages of being small in dosage, resistant to rainwash and obvious in synergism.
Description
The application is divisional application, and original application is the patent application " a kind of efficient bactericidal composite containing Fenamidone Yu triazole type " of Shaanxi Meibang Pesticide Co., Ltd., and the Application No. 201210206798.6 of original application, original application day is 2012.6.21.
Technical field
The invention belongs to technical field of pesticide, relate to the application in crop pest of a kind of efficient bactericidal composite containing Fenamidone and triazole type.
Technical background
Fenamidone (Quinoxyfen) chemical name: 5,7-bis-chloro-4-quinolyl-4-fluorophenyl ethers, molecular formula: C15H8Cl2FNO.Fenamidone is systemic fungicide, and it is mutually active to have steam, so contributes to the medicament reallocation whole plant.Fenamidone is growth signals agent interfering.Research shows, it, neither sterol biosynthesis inhibitor, is not the most dhodh inhibitors.This product is protective fungicide, and mobility is good, appresorium can be suppressed to grow, do not have eradicant action.
Triazole bactericidal agent broad-spectrum has the highest activity to ascomycetes, basidiomycetes, many pathogenic fungi of planting of Fungi Imperfecti, but inactive to oomycetes；Efficiently drug effect height, dosage reduce；15-20 days, lasting period long blade face, seed treatment about 80 days, soil treatment 100 days, all long than general antibacterial, and extend with the increase of dosage；Uptake and transmission is good, and infiltration rate is fast, and after dispenser 2 hours, the absorbed amount of triazolone can suppress the growth of powdery mildew；There is strong preventive effect, preferable therapeutical effect, stifling and eradicant action.The mechanism of action, for affect sterols biosynthesis, makes somatic cells film function be destroyed.
In the real process of agricultural production, controlling disease is easiest to generate the problem that the generation of disease drug resistance.Different cultivars composition compounds, and is to prevent and treat the method that resistance disease is the most common.Heterogeneity compounds, according to practical application effect, judge certain compounding be potentiation, add and or antagonism.In most cases, the compounding effect of pesticide is all additive effect, really have potentiation compounding seldom, especially potentiation clearly, the highest compounding the most less of potentiation ratio.Study through inventor, find the most compounding to Fenamidone and tetraconazole, Wu Junzuo, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane, prothioconazoles, there is good potentiation within the specific limits, and compound to tetraconazole, Wu Junzuo, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane, the relevant of prothioconazoles about Fenamidone, the most at home and abroad there is not yet relevant report.
Summary of the invention
The purpose of the present invention is to propose to a kind of there is synergistic function, use cost is low, preventive effect the is good efficient bactericidal composite containing Fenamidone Yu triazole type.
The present invention is to be achieved through the following technical solutions:
A kind of efficient bactericidal composite containing Fenamidone Yu triazole type, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 60～80 1, described active components A is selected from Fenamidone, active component B is triazole bactericidal agent, and described triazole bactericidal agent is selected from any one compound following: one of tetraconazole, Wu Junzuo, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane, prothioconazoles are planted；Active components A is 1 40～60 1 with the preferred weight ratio of active component B；More preferably Fenamidone is 1 10～20 1 with the weight ratio of tetraconazole；Fenamidone is 1 10～30 1 with the weight ratio of Wu Junzuo；Fenamidone is 1 10～20 1 with the weight ratio of bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane；Fenamidone is 1 20～20 1 with the weight ratio of prothioconazoles, and more preferably Fenamidone is 1 5～10 1 with the weight ratio of tetraconazole；Fenamidone is 1 5～15 1 with the weight ratio of Wu Junzuo；Fenamidone is 1 5～10 1 with the weight ratio of bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane；Fenamidone is 1 10～10 1 with the weight ratio of prothioconazoles.
The described efficient bactericidal composite containing Fenamidone with triazole type is used for preventing and treating the disease of crop, and described crop includes cereal crops, legume crop, fibre crops, sugar crop, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop.
The described efficient bactericidal composite containing Fenamidone with triazole type is used for preventing and treating the disease of crop, and described disease includes downy mildew, epidemic disease, peronospora tabacina, damping off, leaf spot, net blotch, rust, powdery mildew, scab, white rot, brown spot, anthrax, anthrachose of grape, rust, leaf mold, melasma, ring spot, spot defoliation, false smut, banded sclerotial blight, droop, sclerotiniose, moire disease, gray mold, balck shank.
In the present composition, the content of active component depends on amount of application when being used alone, and also depends on a kind of compound and the mixed ratio of another kind of compound and potentiation degree, also the most relevant with target disease.Generally in compositions weight percentage is gross weight 1%～the 90% of active component, it is preferably 5%～80%.According to different preparation types, active component content scope is different.Generally, liquid preparation contains the active substance of by weight 1%～60%, preferably 5%～50%；Solid preparation contains the active substance of by weight 5%～80%, preferably 10%～80%.
The bactericidal composition of the present invention at least contains a kind of surfactant, active component dispersion in water when being beneficial to use.Surface-active contents is the 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
Surfactant selected by the bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, thickening agent or defoamer.According to different dosage form, preparation can also contain stabilizer known in those skilled in the art, antifreeze etc..
The bactericidal composition of the present invention through dilution or directly can be used before use by user.Its preparation can be prepared by processing method known in those skilled in the art, will add one or more in surfactant such as dispersant, stabilizer, wetting agent, binding agent, defoamer etc. after active component mixes with liquid flux or solid carrier.
The bactericidal composition of the present invention, can be processed into acceptable dosage form on any pesticide on demand, and wherein preferred dosage form is wettable powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Compositions comprises following component and content when making wettable powder: active components A 1%～80%, active component B1%～60%, dispersant 1%～12%, wetting agent 1%～8%, filler surplus.
Compositions includes following component and content when making water dispersible granules: active components A 1%～80%, active component B1%～60%, dispersant 1%～12%, wetting agent 1%～8%, disintegrating agent 1%～10%, binding agent 0～8%, filler surplus.
Compositions includes following component and content when making suspending agent: active components A 1%～50%, active component B1%～50%, dispersant 1%～10%, wetting agent 1%～10%, defoamer 0.01%～2%, thickening agent 0～2%, antifreeze 0～8%, deionized water add to 100%.
Compositions includes following component and content when making suspension emulsion: active components A 1%～50%, active component B1%～50%, emulsifying agent 1%～10%, dispersant 1%～10%, solvent 1%～20%, defoamer 0.01%～2%, thickening agent 0～2%, antifreeze 0～8%, deionized water add to 100%.
Compositions includes following component and content when making microemulsion: active components A 1%～50%, active component B1%～50%, emulsifying agent 3%～25%, solvent 1%～10%, antifreeze 0～8%, defoamer 0.01%～2%, deionized water add to 100%.
Compositions includes following component and content when making aqueous emulsion: active components A 1%～50%, active component B1%～50%, solvent 1%～20%, emulsifying agent 1%～12%, antifreeze 0～8%, defoamer 0.01%～2%, thickening agent 0～2%, deionized water add to 100%.
Compositions includes following component and content when making microcapsule suspending agent: active components A 1%～50%, active component B1%～50%, macromolecule cyst material 1%～10%, dispersant 2%～10%, solvent 1%～10%, emulsifying agent 1%～7%, pH adjusting agent 0.01%～5%, defoamer 0.01%～2%, deionized water add to 100%.
Compositions includes following component and content when making microcapsule suspension-suspendinagent agent: active components A 1%～50%, active component B1%～50%, macromolecule cyst material 1%～12%, dispersant 1%～12%, wetting agent 1%～8%, solvent 1%～15%, emulsifying agent 1%～8%, defoamer 0.01%～2%, thickening agent 0～2%, pH adjusting agent 0.01%～5%, deionized water add to 100%.
The wettable powder the key technical indexes of the present invention:
The water dispersible granules the key technical indexes of the present invention:
The suspending agent the key technical indexes of the present invention:
The suspension emulsion the key technical indexes of the present invention:
The microemulsion the key technical indexes of the present invention:
The aqueous emulsion the key technical indexes of the present invention:
The microcapsule suspending agent the key technical indexes of the present invention:
The microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
It is an advantage of the current invention that: (1) present composition has good potentiation and lasting effect within the specific limits, preventive effect is higher than single dose；(2) pesticide usage amount reduces, and reduces pesticide residual quantity on crop, alleviates environmental pollution；(3) expand fungicidal spectrum, multiple diseases such as downy mildew, epidemic disease, peronospora tabacina, damping off, leaf spot, net blotch, rust, powdery mildew, scab, white rot, brown spot, anthrax, anthrachose of grape, rust, leaf mold, melasma, ring spot, spot defoliation, false smut, banded sclerotial blight, droop, sclerotiniose, moire disease, gray mold, balck shank are had greater activity.
Detailed description of the invention
Below in conjunction with embodiment, further instruction of the present invention, the percentage ratio in embodiment are all weight percentage, but the invention is not limited in this.
Application Example one
Embodiment 1～12 wettable powder
By Fenamidone, active component B, dispersant, wetting agent, filler mixing, mix homogeneously in mixed cylinder, remix uniformly after jet mill is pulverized, i.e. can be made into wettable powder product of the present invention.Specifically it is shown in Table 1.
Table 1 embodiment 1～12 each component and content
Embodiment 13～24 water dispersible granules
Fenamidone, active component B, dispersant, wetting agent, disintegrating agent, filler are obtained through comminution by gas stream together the particle diameter needed, adds other auxiliary agents such as binding agent (can add and can be not added with), obtain granulation materials.Through in item is quantitatively sent into fluidized bed granulating dryer and granulation and dried, prepare water dispersible granules product of the present invention.Specifically it is shown in Table 2.
Table 2 embodiment 13～24 each component and content
Embodiment 25～36 suspending agent
By dispersant, wetting agent, thickening agent (can add and can be not added with), defoamer, antifreeze (can add and can be not added with) through high speed shear mix homogeneously, add Fenamidone, active component B, surplus is supplied with deionized water, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, prepare suspending agent product of the present invention.Specifically it is shown in Table 3.
Table 3 embodiment 25～36 each component and content
Embodiment 37～43 suspension emulsion
By dispersant, defoamer, thickening agent (can add and can be not added with), antifreeze (can add and can be not added with), deionized water through high speed shear mix homogeneously, add Fenamidone, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, prepare Fenamidone suspending agent, then by active component B, solvent, emulsifying agent and the various direct emulsifying of auxiliary agent high speed agitator to suspending agent, suspension emulsion product of the present invention is prepared.Specifically it is shown in Table 4.
Table 4 embodiment 37～43 each component and content
Embodiment 44～55 aqueous emulsion
Fenamidone, active component B, solvent, emulsifying agent are added together, make to be dissolved into homogeneous oil phase；Deionized water, antifreeze (can add and can be not added with), thickening agent (can add and can be not added with), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, prepare aqueous emulsion product of the present invention.Specifically it is shown in Table 5.
Table 5 embodiment 44～55 each component and content
Tetraconazole, Wu Junzuo, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane, prothioconazoles in table 1 to table 5 are exchanged, novel formulation can be prepared.
Embodiment 56～58 microemulsion
Fenamidone, active component B are dissolved in equipped with in the homogenizer of solvent, emulsifying agent, antifreeze (can add and can be not added with), defoamer are joined in the homogenizer equipped with above-mentioned solution, strongly mix after supplying surplus with deionized water and homogenize, finally obtaining the microemulsion product of the present invention that clear appearance is transparent.Specifically it is shown in Table 6.
Table 6 embodiment 56～58 each component and content
Embodiment 59～61 microcapsule suspending agent
By Fenamidone, active component B, macromolecule cyst material, solvent mixing, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined containing emulsifying agent, pH adjusting agent, dispersant, defoamer aqueous phase solution in, surplus is supplied with deionized water, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the present composition finely disseminated microcapsule suspending agent product.Specifically it is shown in Table 7.
Table 7 embodiment 59～61 each component and content
Embodiment 62～64 microcapsule suspension-suspendinagent agent
Will add active component B, macromolecule cyst material, solvent mixing, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition containing emulsifying agent, pH adjusting agent aqueous phase solution in, make finely disseminated microcapsule suspending agent.By Fenamidone, dispersant, wetting agent, defoamer, thickening agent (can add and can be not added with) through high speed shear mix homogeneously, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, prepare suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water supplies surplus, makes the present composition finely disseminated microcapsule suspension-suspendinagent agent product.Specifically it is shown in Table 8.
Table 8 embodiment 62～64 each component and content
The embodiment of the present invention is the method using Toxicity Determination and field test to combine.First pass through Toxicity Determination, the potentiation ratio (SR) after clear and definite two kinds of medicaments are compounding by a certain percentage, SR ＜ 0.5 is antagonism, 0.5≤SR≤1.5 are summation action, SR ＞ 1.5 is potentiation, on this basis, then carries out field test.
Test method: after prerun determines each medicament effective inhibition concentration scope, medicament is set 5 dosage respectively and processes by active constituent content, if clear water comparison.Carry out with reference to " farm-chemical indoor determination test rule antibacterial ", use mycelial growth rate method to measure the medicament virulence to crop pathogenic bacteria.Measure colony diameter by decussation 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) is converted into logarithm value (x), try to achieve virulence regression equation (y=a+bx) with method of least square, and thus calculate the EC of every kind of medicament50Value.Calculating two medicaments different ratio synergy 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 potentiation.Computing formula is as follows:
Wherein: a, b are respectively the ratio that active components A is shared in combination with active component B；A is Fenamidone；B choosing is planted to one of tetraconazole, Wu Junzuo, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane, prothioconazoles.
Application Example two:
For examination disease: powdery mildew of strawberry；Test medicine is provided by Shaanxi Meibang Pesticide Co., Ltd.；EXPERIMENTAL DESIGN: determine Fenamidone and the former medicine of tetraconazole and effective inhibition concentration scope of the two different ratio mixture through pilot study.
Toxicity test result
Table 9 Fenamidone toxicity test analysis of results table to powdery mildew of strawberry compounding with tetraconazole
As shown in Table 9, Fenamidone and tetraconazole compound the proportioning of preventing and treating powdery mildew of strawberry when 1 60～80 1, potentiation ratio SR is all higher than 1.5, illustrate that both all show potentiation at mixture in the range of 1 60～80 1, when the proportioning of Fenamidone and tetraconazole is in 1 10～20 1, potentiation is the most prominent, and potentiation ratio is all higher than 2.20.Find that Fenamidone is 20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10 with the optimum ratio of tetraconazole through test, especially when Fenamidone and tetraconazole weight ratio are 2:1, potentiation ratio is maximum, and potentiation is the most obvious.
Application Example three:
For examination disease: uncinula necator；Test medicine is provided by Shaanxi Meibang Pesticide Co., Ltd.；EXPERIMENTAL DESIGN: determine Fenamidone and the former medicine of Wu Junzuo and effective inhibition concentration scope of the two different ratio mixture through pilot study.
Toxicity test result
Table 10 Fenamidone toxicity test analysis of results table to uncinula necator compounding with Wu Junzuo
As shown in Table 10, Fenamidone and Wu Junzuo compound the proportioning of preventing and treating uncinula necator when 1 60～80 1, potentiation ratio SR is all higher than 1.5, illustrate that both all show potentiation at mixture in the range of 1 60～80 1, when the proportioning of Fenamidone and Wu Junzuo is in 1 10～30 1, potentiation is the most prominent, and potentiation ratio is all higher than 2.15.Find that Fenamidone is 30:1,25:1,20:1,15:1,14:1,13:1,12:1,11:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10 with the optimum ratio of Wu Junzuo through test, especially when Fenamidone and Wu Junzuo weight ratio are 3:1, potentiation ratio is maximum, and potentiation is the most obvious.
Application Example four:
For examination disease: pear scab；Test medicine is provided by Shaanxi Meibang Pesticide Co., Ltd.；EXPERIMENTAL DESIGN: determine Fenamidone and flusilazole and effective inhibition concentration scope of the two different ratio mixture through pilot study.
Toxicity test result
Table 11 Fenamidone toxicity test analysis of results table to pear scab compounding with bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane
As shown in Table 11, Fenamidone and bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane compound the proportioning of preventing and treating pear scab when 1 60～80 1, potentiation ratio SR is all higher than 1.5, illustrate that both all show potentiation at mixture in the range of 1 60～80 1, when the proportioning of Fenamidone and bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane is in 1 10～20 1, potentiation is the most prominent, and potentiation ratio is all higher than 2.20.Find that Fenamidone is 20:1,15:1,14:1,13:1,12:1,11:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,5:2,2:1,1:1,1:2,1:3,1:4,1:5,1:10 with the optimum ratio of bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane through test, especially when Fenamidone and bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane weight ratio are 2:1, potentiation ratio is maximum, and potentiation is the most obvious.
Application Example five:
For examination disease: wheat sharp eyespot；Test medicine is provided by Shaanxi Meibang Pesticide Co., Ltd.；EXPERIMENTAL DESIGN: determine Fenamidone and the former medicine of prothioconazoles and effective inhibition concentration scope of the two different ratio mixture through pilot study.
Toxicity test result
Table 12 Fenamidone toxicity test analysis of results table to wheat sharp eyespot compounding with prothioconazoles
As shown in Table 12, Fenamidone and prothioconazoles compound the proportioning of preventing and treating wheat sharp eyespot when 1 60～80 1, potentiation ratio SR is all higher than 1.5, illustrate that both all show potentiation at mixture in the range of 1 60～80 1, when the proportioning of Fenamidone and prothioconazoles is in 1 20～20 1, potentiation is the most prominent, and potentiation ratio is all higher than 2.20.Find that Fenamidone is 20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,2:3,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20 with the optimum ratio of prothioconazoles through test, especially when Fenamidone and prothioconazoles weight ratio are 1:1, potentiation ratio is maximum, and potentiation is the most obvious.
Find through test: after Fenamidone is compounding with active component B, downy mildew, epidemic disease, peronospora tabacina, damping off, leaf spot, net blotch, rust, powdery mildew, scab, white rot, brown spot, anthrax, anthrachose of grape, rust, leaf mold, melasma, ring spot, spot defoliation, false smut, banded sclerotial blight, droop, sclerotiniose, moire disease, gray mold, the preventing and treating of balck shank being had obvious potentiation, potentiation ratio is all more than 1.50.
Test of pesticide effectiveness part
Test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided.Comparison medicament: 20% Fenamidone suspending agent (autogamy), 4% tetraconazole aqueous emulsion (commercial), 10% Wu Junzuo cream (autogamy), 10% bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane aqueous emulsion (commercial), 5% prothioconazoles suspending agent (autogamy).
Application Example six Fenamidone and active component B and compounding prevent and treat the wheat rust test of pesticide effectiveness
This test arrangement, at Shaanxi Province's Weinan City, investigates the wheat rust state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 30 days, 45 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 13 Fenamidone and active component B and compounding prevent and treat the wheat rust test of pesticide effectiveness
As can be seen from Table 13, can effectively prevent and treat wheat rust after Fenamidone is compounding with active component B, prevention effect is superior to the preventive effect of single dose, and the preventive effect phase is long, and can treat Semen Tritici aestivi moire disease, net blotch, leaf spot, after 14 days, prevention effect is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example seven Fenamidone and active component B and the compounding preventing and treating brassicaceous vegetable melasma test of pesticide effectiveness thereof
This test arrangement, at Xian District, Shanxi Province suburban area, investigates the brassicaceous vegetable melasma state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 30 days, 45 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 14 Fenamidone and active component B and the compounding preventing and treating brassicaceous vegetable melasma test of pesticide effectiveness thereof
As can be seen from Table 14, can effectively prevent and treat brassicaceous vegetable melasma after Fenamidone is compounding with active component B, prevention effect is superior to 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 Fenamidone and active component B and the compounding preventing and treating pear scab test of pesticide effectiveness thereof
This test arrangement, in Xianyang, Shanxi province city, investigates the pear scab state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 30 days, 60 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 15 Fenamidone and active component B and the compounding preventing and treating pear scab test of pesticide effectiveness thereof
As can be seen from Table 15, can effectively prevent and treat pear scab after Fenamidone is compounding with active component B, prevention effect is superior to 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 Fenamidone and active component B and the compounding preventing and treating uncinula necator test of pesticide effectiveness thereof
This test arrangement, in Weinan City suburb, Shaanxi Province, investigates the uncinula necator state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 30 days, 45 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows: table 16 Fenamidone and active component B and the compounding preventing and treating uncinula necator test of pesticide effectiveness thereof
As can be seen from Table 16, can effectively prevent and treat uncinula necator after Fenamidone is compounding with active component B, prevention effect is superior to the preventive effect of single dose, and the preventive effect phase is long, and can treat fruit white rot of grape, anthrachose of grape, and after 14 days, prevention effect is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example ten Fenamidone and active component B and the compounding preventing and treating wheat sharp eyespot test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Weinan City, investigates the wheat sharp eyespot state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 30 days, 45 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 17 Fenamidone and active component B and the compounding preventing and treating wheat sharp eyespot test of pesticide effectiveness thereof
As can be seen from Table 17, can effectively prevent and treat wheat sharp eyespot after Fenamidone is compounding with active component B, prevention effect is superior to 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 Fenamidone and active component B and the compounding preventing and treating tomato blight test of pesticide effectiveness thereof
This test arrangement, at Xian District, Shanxi Province suburban area, investigates the tomato blight state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 30 days, 45 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 18 Fenamidone and active component B and the compounding preventing and treating tomato blight test of pesticide effectiveness thereof
As can be seen from Table 18, can effectively prevent and treat tomato blight after Fenamidone is compounding with active component B, prevention effect is superior to the preventive effect of single dose, and the preventive effect phase is long, and can treat graw mold of tomato, damping off, and after 14 days, prevention effect is up to more than 97%.In test scope of medication, target crop is had no adverse effects.
Application Example ten diimidazole bacterium ketone and active component B and compounding prevent and treat the late blight of potato test of pesticide effectiveness
This test arrangement, in Jingyang County, Shaanxi Province, investigates the late blight of potato state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 20 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 19 Fenamidone and active component B and compounding prevent and treat the late blight of potato test of pesticide effectiveness
As can be seen from Table 19, can effectively prevent and treat the late blight of potato after Fenamidone is compounding with active component B, prevention effect is superior to 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 13 Fenamidone and active component B and compounding prevent and treat the downy mildew of crucifers test of pesticide effectiveness
This test arrangement, in Changan District, Xi'an City, Shanxi Province, investigates the downy mildew of crucifers state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after last dispenser 10 days, 30 days, 45 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 20 Fenamidone and active component B and compounding prevent and treat the downy mildew of crucifers test of pesticide effectiveness
As can be seen from Table 20, can effectively prevent and treat downy mildew of crucifers after Fenamidone is compounding with active component B, prevention effect is superior to 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, Fenamidone and tetraconazole, Wu Junzuo, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane, to the downy mildew in various crop after prothioconazoles is compounding, epidemic disease, peronospora tabacina, damping off, leaf spot, net blotch, rust, powdery mildew, scab, white rot, brown spot, anthrax, anthrachose of grape, rust, leaf mold, melasma, ring spot, spot defoliation, false smut, banded sclerotial blight, droop, sclerotiniose, moire disease, gray mold, the preventive effect of the Common Diseases such as balck shank is all more than 95%, it is better than single dose preventive effect, potentiation is obvious.
Claims (6)
1. the efficient bactericidal composite containing Fenamidone with triazole type, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 60～80 1, described active components A is selected from Fenamidone, active component B is triazole bactericidal agent, and described triazole bactericidal agent is selected from any one compound following: tetraconazole, Wu Junzuo, bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane.
Efficient bactericidal composite containing Fenamidone Yu triazole type the most according to claim 1, it is characterised in that: active components A is 1 40～60 1 with the weight ratio of active component B.
Efficient bactericidal composite containing Fenamidone Yu triazole type the most according to claim 2, it is characterised in that:
Fenamidone is 1 10～20 1 with the weight ratio of tetraconazole；
Fenamidone is 1 10～30 1 with the weight ratio of Wu Junzuo；
Fenamidone is 1 10～20 1 with the weight ratio of bis(4-fluorophenyl)methyl(1H-1,2,4-triazol-1-ylmethyl)silane.
4. according to the efficient bactericidal composite containing Fenamidone Yu triazole type described in any one in claims 1 to 3, it is characterised in that: compositions makes wettable powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Efficient bactericidal composite containing Fenamidone Yu triazole type the most according to claim 4, for preventing and treating the application of crop pest.
Application the most according to claim 5, it is characterised in that: described disease includes downy mildew, epidemic disease, peronospora tabacina, damping off, leaf spot, net blotch, rust, powdery mildew, scab, white rot, brown spot, anthrax, anthrachose of grape, rust, leaf mold, melasma, ring spot, spot defoliation, false smut, banded sclerotial blight, droop, sclerotiniose, moire disease, gray mold, balck shank.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153454A (en) * | 1994-07-22 | 1997-07-02 | 罗纳-普朗克农业化学公司 | Fungicidal composition including 2-imidazoline-5-one |
| CN1668193A (en) * | 2002-07-18 | 2005-09-14 | 巴斯福股份公司 | Fungicidal mixtures |
| EP1813152A1 (en) * | 2006-01-30 | 2007-08-01 | Basf Aktiengesellschaft | Fungicidal mixture based on 3,4-disubstituted biphenylanilides |
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2012
- 2012-06-21 CN CN201610172210.8A patent/CN105815319A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153454A (en) * | 1994-07-22 | 1997-07-02 | 罗纳-普朗克农业化学公司 | Fungicidal composition including 2-imidazoline-5-one |
| CN1668193A (en) * | 2002-07-18 | 2005-09-14 | 巴斯福股份公司 | Fungicidal mixtures |
| EP1813152A1 (en) * | 2006-01-30 | 2007-08-01 | Basf Aktiengesellschaft | Fungicidal mixture based on 3,4-disubstituted biphenylanilides |
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