CN104604898A - Dimoxystrobin-contained bactericidal composition - Google Patents
Dimoxystrobin-contained bactericidal composition Download PDFInfo
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Abstract
The invention discloses a dimoxystrobin-contained bactericidal composition. The dimoxystrobin-contained bactericidal composition comprises an active component A and an active component B, wherein the active component A is dimoxystrobin; the active component B is any one of the following compounds: thifluzamide, isoprothiolane, fenoxanil, captan, fluopicolide, ethirimol or a salt thereof and dithianon; the weight ratio of the active component A to the active component B is 1-80 to 60-1. The dimoxystrobin-contained bactericidal composition has relatively high activity for a variety of diseases on a variety of crops, has an obvious synergistic effect, expands a bactericidal spectrum, and has the characteristics of small dosage, rain erosion resistance and obvious synergy.
Description
The application is divisional application, and original application is the patent application " a kind of bactericidal composition containing dimoxystrobin " of Shaanxi Meibang Pesticide Co., Ltd., and the application number of original application is ︰ 201210337096.1, and original application day is 2012.09.13.
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition in crop pest containing dimoxystrobin.
Technical background
Dimoxystrobin (Dimoxystrobin) chemical name: (E)-2-(methoxyimino)-N-methyl-2 [a-(2,5-xylyloxy)-o-tolyl] acetamide, molecular formula: C
19h
22n
2o
3.It is the outer inhibitor of quinone, hinders electrical conductivity, to suppress mitochondrial respiration by acting on Cytochrome bc1 Complex.There is protectiveness, therapeutic and conductivity, suppress spore germination and mycelial growth.
The phonetic phenol of thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, second or its salt, dithianon are common bactericide, and are widely used in the disease on crops, and wherein the salt of the phonetic phenol of second is bupirimate.
In the real process of agricultural production, the problem that controlling disease the most easily produces is the generation of disease drug resistance.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect clearly, very high composite just less of synergy ratio.Study through inventor, find dimoxystrobin and thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon mutually composite, there is good synergistic effect within the specific limits, and about dimoxystrobin and thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon relevant composite, there is not yet relevant report at home and abroad at present.
Summary of the invention
The object of the invention is to propose a kind of to there is the bactericidal composition containing dimoxystrobin that synergistic function, use cost are low, preventive effect is good.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition containing dimoxystrobin, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, described active components A is selected from dimoxystrobin, and active component B is selected from the one in thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon; The preferred weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1; The weight ratio being more preferably dimoxystrobin and thifluzamide is 1 ︰ 15 ~ 30 ︰ 1, the weight ratio of dimoxystrobin and Isoprothiolane is 1 ︰ 25 ~ 10 ︰ 1, the weight ratio of dimoxystrobin and fenoxanil is 1 ︰ 30 ~ 20 ︰ 1, the weight ratio of dimoxystrobin and captan is 1 ︰ 30 ~ 5 ︰ 1, the weight ratio of dimoxystrobin and fluopicolide is 1 ︰ 20 ~ 30 ︰ 1, the weight ratio of dimoxystrobin and the phonetic phenol of second or its salt is 1 ︰ 25 ~ 10 ︰ 1, and the weight ratio of dimoxystrobin and dithianon is 1 ︰ 30 ~ 15 ︰ 1; The weight ratio most preferably being dimoxystrobin and thifluzamide is 1 ︰ 4 ~ 9 ︰ 1, the weight ratio of dimoxystrobin and Isoprothiolane is 1 ︰ 14 ~ 4 ︰ 1, the weight ratio of dimoxystrobin and fenoxanil is 1 ︰ 14 ~ 9 ︰ 1, the weight ratio of dimoxystrobin and captan is 1 ︰ 19 ~ 1 ︰ 1, the weight ratio of dimoxystrobin and fluopicolide is 1 ︰ 9 ~ 14 ︰ 1, the weight ratio of dimoxystrobin and the phonetic phenol of second or its salt is 1 ︰ 9 ~ 4 ︰ 1, and the weight ratio of dimoxystrobin and dithianon is 1 ︰ 9 ~ 4 ︰ 1.
The described bactericidal composition containing dimoxystrobin is for preventing and treating the disease of crops, and described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described disease comprises powdery mildew, scab, downy mildew, gray mold, leaf mold, epidemic disease, rice blast, banded sclerotial blight, anthracnose, ring spot.
In the present composition, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target disease.In usual composition, the weight percentage of active component is 2% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 60%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 2% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active component, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, antifreeze, disintegrant, defoamer etc.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand.Wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, can also make microemulsion.
Composition comprises following component and content when making wetting powder: active components A 0.1% ~ 60%, active component B 0.1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 0.1% ~ 60%, active component B 0.1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following component and content when making suspending agent: active components A 0.1% ~ 50%, active component B 0.1% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 0.1% ~ 50%, active component B 0.1% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 0.1% ~ 50%, active component B 0.1% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspending agent: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose; (2) pesticide usage amount reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) expand fungicidal spectrum, have greater activity to multiple diseases.
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 ~ 20 wetting powder
By dimoxystrobin, active component B, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically in table 1,2.
The each component of table 1 embodiment 1 ~ 12 and content
The each component of table 2 embodiment 13 ~ 20 and content
Embodiment 21 ~ 40 water dispersible granules
Dimoxystrobin, active component B, dispersant, wetting agent, disintegrant, filler 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, obtaining water dispersible granules product of the present invention.Specifically in table 3,4.
The each component of table 3 embodiment 21 ~ 32 and content
The each component of table 4 embodiment 33 ~ 40 and content
Embodiment 41 ~ 60 suspending agent
Dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add dimoxystrobin, active component B, surplus deionized water is supplied, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent product of the present invention.Specifically in table 5,6.
The each component of table 5 embodiment 41 ~ 52 and content
The each component of table 6 embodiment 53 ~ 60 and content
Embodiment 61 ~ 76 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), deionized water are mixed through high speed shear, add dimoxystrobin, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained dimoxystrobin suspending agent, then by active component B, solvent, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 7,8,9.
The each component of table 7 embodiment 61 ~ 65 and content
The each component of table 8 embodiment 66 ~ 70 and content
The each component of table 9 embodiment 71 ~ 76 and content
Thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon in table 1 to table 9 are exchanged, can novel formulation be obtained.
Embodiment 77 ~ 82 aqueous emulsion
Dimoxystrobin, 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, obtained aqueous emulsion product of the present invention.Specifically in table 10.
The each component of table 10 embodiment 77 ~ 82 and content
Embodiment 83 ~ 85 microcapsule suspending agent
By dimoxystrobin, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in table 11.
The each component of table 11 embodiment 83 ~ 85 and content
Embodiment 86 ~ 88 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 dimoxystrobin, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 12.
The each component of table 12 embodiment 86 ~ 88 and content
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 dimoxystrobin; B is selected from the one in thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon.
Application Example two:
For examination disease: rice sheath blight disease; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of thifluzamide and the two different ratio mixture.
Toxicity test result
Table 13 dimoxystrobin and the composite toxicity test analysis of results table to rice sheath blight disease of thifluzamide
As shown in Table 13, dimoxystrobin and thifluzamide to rice sheath blight disease proportioning when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of dimoxystrobin and thifluzamide is at 1 ︰ 15 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.Optimum ratio through test discovery dimoxystrobin and thifluzamide is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15, especially when dimoxystrobin and thifluzamide weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: rice blast; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and isoprothiolane and the two different ratio mixture.
Toxicity test result
Table 14 dimoxystrobin and the composite toxicity test analysis of results table to rice blast of Isoprothiolane
As shown in Table 14, dimoxystrobin and Isoprothiolane to rice blast proportioning when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of dimoxystrobin and Isoprothiolane is at 1 ︰ 25 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.25.Optimum ratio through test discovery dimoxystrobin and Isoprothiolane is 10:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:15,1:20,1:25, especially when dimoxystrobin and Isoprothiolane weight ratio are 1:5, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For examination disease: rice blast; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of fenoxanil and the two different ratio mixture.
Toxicity test result
Table 15 dimoxystrobin and the composite toxicity test analysis of results table to rice blast of fenoxanil
As shown in Table 15, dimoxystrobin and fenoxanil to rice blast proportioning when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of dimoxystrobin and fenoxanil is at 1 ︰ 30 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.Optimum ratio through test discovery dimoxystrobin and fenoxanil is 20:1,15:1,10:1,5:1,4:1,3:1,2:1,1:1,2:3,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:20,1:25,1:30, especially when dimoxystrobin and fenoxanil weight ratio are 2:3, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For examination disease: downy mildew of garpe; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of captan and the two different ratio mixture.
Toxicity test result
Table 16 dimoxystrobin and the composite toxicity test analysis of results table to downy mildew of garpe of captan
As shown in Table 16, dimoxystrobin and captan to downy mildew of garpe proportioning when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of dimoxystrobin and captan is at 1 ︰ 30 ~ 5 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.When dimoxystrobin and captan weight ratio are 1:10, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For examination disease: tomato blight; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of fluopicolide and the two different ratio mixture.
Toxicity test result
Table 17 dimoxystrobin and the composite toxicity test analysis of results table to tomato blight of fluopicolide
As shown in Table 17, dimoxystrobin and fluopicolide to tomato blight proportioning when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of dimoxystrobin and fluopicolide is at 1 ︰ 20 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.15.When dimoxystrobin and fluopicolide weight ratio are 3:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example seven:
For examination disease: powdery mildew of cucumber; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the phonetic phenol of second or the former medicine of its salt and the two different ratio mixture.
Toxicity test result
Table 18 dimoxystrobin and the phonetic phenol of second or the composite toxicity test analysis of results table to powdery mildew of cucumber of its salt
As shown in Table 18, dimoxystrobin and the phonetic phenol of second or its salt pair powdery mildew of cucumber proportioning are when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of dimoxystrobin and the phonetic phenol of second or its salt is at 1 ︰ 25 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.When dimoxystrobin and the phonetic phenol of second or its salt weight ratio are 2:5, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example eight:
For examination disease: pepper anthracnose; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination dimoxystrobin and the former medicine of dithianon and the two different ratio mixture.
Toxicity test result
Table 19 dimoxystrobin and the composite toxicity test analysis of results table to pepper anthracnose of dithianon
As shown in Table 19, dimoxystrobin and dithianon to pepper anthracnose proportioning when 1 ︰ 80 ~ 60 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of dimoxystrobin and dithianon is at 1 ︰ 30 ~ 15 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.When dimoxystrobin and dithianon weight ratio are 1:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Through test find: dimoxystrobin and thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt composite after have obvious synergistic effect to the control of powdery mildew, scab, downy mildew, gray mold, leaf mold, epidemic disease, rice blast, banded sclerotial blight, anthracnose, ring spot in various crop, synergy ratio is all more than 1.50.
Test of pesticide effectiveness part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided.
Table 20 contrasts the table of comparisons of medicament
| Numbering | Contrast medicament | Numbering | Contrast medicament |
| Medicament 1 | 10% dimoxystrobin suspending agent (autogamy) | Medicament 5 | 50% captan wetting powder (commercial) |
| Medicament 2 | 240g/L thifluzamide suspending agent (commercial) | Medicament 6 | 30% fluopicolide water dispersible granules (autogamy) |
| Medicament 3 | 30% Isoprothiolane microemulsion (commercial) | Medicament 7 | The phonetic phenol suspending agent (autogamy) of 25% second |
| Medicament 4 | 20% fenoxanil suspending agent (autogamy) | Medicament 8 | 22.7% dithianon suspending agent (commercial) |
Application Example nine dimoxystrobin and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, and the investigation pear scab state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 3 days, 7 days, 14 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 21 dimoxystrobin and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 21, dimoxystrobin and active component B composite after effectively can prevent and treat pear scab, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent pear tree powdery mildew, ring spot, anthracnose, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example ten dimoxystrobin and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
This test arrangement is in Weinan City suburb, Shaanxi Province, and the investigation downy mildew of garpe state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 10 days, 20 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows: table 22 dimoxystrobin and active component B and compositely prevent and treat the downy mildew of garpe test of pesticide effectiveness
As can be seen from Table 22, dimoxystrobin and active component B composite after effectively can prevent and treat downy mildew of garpe, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat grape powdery mildew, gray mold, anthracnose, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 11 dimoxystrobin and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and the investigation rice blast state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 3 times.Within after third time dispenser 3 days, 7 days, 14 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 23 dimoxystrobin and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 23, dimoxystrobin and active component B composite after effectively can prevent and treat rice blast, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can the water prevention rice sheath blight, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 12 dimoxystrobin and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
This test arrangement is in Jingyang County, Shaanxi Province, and the investigation powdery mildew of cucumber state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 20 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 24 dimoxystrobin and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 24, dimoxystrobin and active component B composite after effectively can prevent and treat powdery mildew of cucumber, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat cucumber downy mildew, scab, gray mold, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 13 dimoxystrobin and active component B and compositely prevent and treat the ring rot of apple test of pesticide effectiveness
This test arrangement is in Xianyang, Shanxi province city, and the investigation ring rot of apple state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 3 times.Within after third time dispenser 3 days, 7 days, 14 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 25 dimoxystrobin and active component B and compositely prevent and treat the ring rot of apple test of pesticide effectiveness
As can be seen from Table 25, dimoxystrobin and active component B composite after effectively can prevent and treat ring rot of apple, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat apple mildew, scab, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 14 dimoxystrobin and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and the investigation tomato blight state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 26 dimoxystrobin and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 26, dimoxystrobin and active component B composite after effectively can prevent and treat tomato blight, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat anthracnose of tomato, gray mold, leaf mold, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 15 dimoxystrobin and active component B and the composite control watermelon anthrax test of pesticide effectiveness thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and the investigation watermelon anthrax state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 10 days, 20 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 27 dimoxystrobin and active component B and the composite control watermelon anthrax test of pesticide effectiveness thereof
As can be seen from Table 27, dimoxystrobin and active component B composite after effectively can prevent and treat watermelon anthrax, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long, and can prevent and treat watermelon powdery mildew, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Draw by all parts of the country test, dimoxystrobin and the composite rear preventive effect to Common Diseases such as the powdery mildew in various crop, scab, downy mildew, gray mold, leaf mold, epidemic disease, rice blast, banded sclerotial blight, anthracnose, ring spots of active component B are all greater than 95%, be better than single dose preventive effect, synergy is obvious.
Claims (6)
1. the bactericidal composition containing dimoxystrobin, it is characterized in that: effective active composition is active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, and described active components A is dimoxystrobin, and active component B is thifluzamide.
2. the bactericidal composition containing dimoxystrobin according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1.
3. the bactericidal composition containing dimoxystrobin according to claim 2, is characterized in that: the weight ratio of dimoxystrobin and thifluzamide is 1 ︰ 15 ~ 30 ︰ 1.
4. the bactericidal composition containing dimoxystrobin as claimed in any of claims 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. the bactericidal composition containing dimoxystrobin according to claim 4 is for preventing and treating the application of corps diseases.
6. application according to claim 5, is characterized in that: described disease is powdery mildew, scab, downy mildew, gray mold, leaf mold, epidemic disease, rice blast, banded sclerotial blight, anthracnose, ring spot.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239852A (en) * | 2011-07-27 | 2011-11-16 | 南宁市德丰富化工有限责任公司 | Fungicide containing trifloxystrobin and thifluzamide |
| CN102273443A (en) * | 2011-09-13 | 2011-12-14 | 广西田园生化股份有限公司 | Superlow-capacity liquid reagent containing ethofenprox |
| CN102273441A (en) * | 2011-09-13 | 2011-12-14 | 广西田园生化股份有限公司 | Ultralow volume liquid containing azoxystronbin |
| CN102805085A (en) * | 2012-07-23 | 2012-12-05 | 广东中迅农科股份有限公司 | Sterilization composition containing dimoxystrobin and thifluzamide |
| CN103371153A (en) * | 2012-04-28 | 2013-10-30 | 陕西韦尔奇作物保护有限公司 | Sterilization composition with thifluzamide and methoxy acrylics |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239852A (en) * | 2011-07-27 | 2011-11-16 | 南宁市德丰富化工有限责任公司 | Fungicide containing trifloxystrobin and thifluzamide |
| CN102273443A (en) * | 2011-09-13 | 2011-12-14 | 广西田园生化股份有限公司 | Superlow-capacity liquid reagent containing ethofenprox |
| CN102273441A (en) * | 2011-09-13 | 2011-12-14 | 广西田园生化股份有限公司 | Ultralow volume liquid containing azoxystronbin |
| CN103371153A (en) * | 2012-04-28 | 2013-10-30 | 陕西韦尔奇作物保护有限公司 | Sterilization composition with thifluzamide and methoxy acrylics |
| CN102805085A (en) * | 2012-07-23 | 2012-12-05 | 广东中迅农科股份有限公司 | Sterilization composition containing dimoxystrobin and thifluzamide |
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Application publication date: 20150513 |