CN103651441A - Bactericidal composition containing dimoxystrobin - Google Patents
Bactericidal composition containing dimoxystrobin Download PDFInfo
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- CN103651441A CN103651441A CN201210337096.1A CN201210337096A CN103651441A CN 103651441 A CN103651441 A CN 103651441A CN 201210337096 A CN201210337096 A CN 201210337096A CN 103651441 A CN103651441 A CN 103651441A
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Abstract
The invention discloses a bactericidal composition containing dimoxystrobin, which contains an active component A and an active component B, wherein the active component A is selected from dimoxystrobin; the active component B is selected from any one of thifluzamide, isoprothiolane, fenoxanil, vondcaptan, fluopicolide, ethirimol or salt thereof, and dithianon; and the weight ratio of the active component A to the active component B is 1:80-60:1. The composition disclosed by the invention has higher activity for multiple diseases on multiple crops, and has obvious synergistic action, thereby widening the bactericidal spectrum. The composition has the characteristics of small dosage, rainfall erosion resistance and obvious synergistic action.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of bactericidal composition containing dimoxystrobin in crop pest.
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.
Thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of 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, preventing and treating the problem that 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 very obviously, synergy ratio very high composite just still less.Through inventor's research, discovery is mutually composite by dimoxystrobin and thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon, there is within the specific limits good synergistic effect, and relevant composite about dimoxystrobin and thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon, there is not yet relevant report at present at home and abroad.
Summary of the invention
The object of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good bactericidal composition containing dimoxystrobin.
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 a kind of 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; More preferably the weight ratio of 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 the phonetic phenol of dimoxystrobin and 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 that most preferably is 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 the phonetic phenol of dimoxystrobin and second or its salt is 1 ︰ 9 ~ 4 ︰ 1, and the weight ratio of dimoxystrobin and dithianon is 1 ︰ 9 ~ 4 ︰ 1.
The disease of the described bactericidal composition containing dimoxystrobin for preventing and treating crops, described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flowers crop, medicinal crop, raw material 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.
The amount of application when content of active component depends on independent use in the present composition, also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with target disease.Conventionally in composition, the weight percentage of active component is gross weight 2%～90%, is preferably 5%～80%.According to different preparation types, active component content scope is different.Conventionally, liquid preparation contains 1%～60% active substance by weight, is preferably 5%～50%; Solid pharmaceutical preparation contains 5%～80% active substance by weight, is preferably 10%～80%.
In bactericidal composition of the present invention, at least contain a kind of surfactant, the dispersion of active component in water while 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 be by user before use through dilution or directly use.Its preparation can be prepared by processing method known in those skilled in the art, after being about to active component and mixing with liquid flux or solid carrier, 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-suspending agent, can also make microemulsion.
When making wetting powder, composition comprises following component and content: active components A 0.1% ~ 60%, active component B 0.1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: 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.
When making suspending agent, composition comprises following component and content: 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%.
When making suspension emulsion, composition comprises following component and content: 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%.
When making aqueous emulsion, composition comprises following component and content: 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%.
When making microcapsule suspending agent, composition comprises following component and content: 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%.
When making microcapsule suspension-suspending agent, composition comprises following component and content: 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-suspending 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) agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) expanded fungicidal spectrum, multiple diseases has been had to greater activity.Embodiment: to further instruction of the present invention, the percentage in embodiment is all weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
Application Example one
Embodiment 1～20 wetting powder
Dimoxystrobin, active component B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into wetting powder product of the present invention.Specifically in Table 1,2.
Table 1 embodiment 1～12 each component and content
Table 2 embodiment 13～20 each component and content
Embodiment 21～40 water dispersible granules
Dimoxystrobin, active component B, dispersant, wetting agent, disintegrant, filler are obtained to the particle diameter needing through air-flow crushing together, then add other auxiliary agents such as binding agent (can add and can not add), obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, make water dispersible granules product of the present invention.Specifically in Table 3,4.
Table 3 embodiment 21～32 each component and content
Table 4 embodiment 33～40 each component and content
Embodiment 41～60 suspending agents
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 is supplied by deionized water, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent product of the present invention.Specifically in Table 5,6.
Table 5 embodiment 41～52 each component and content
Table 6 embodiment 53～60 each component and content
Embodiment 61～76 suspension emulsions
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, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make dimoxystrobin suspending agent, then by active component B, solvent, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.Specifically in Table 7,8,9.
Table 7 embodiment 61～65 each component and content
Table 8 embodiment 66～70 each component and content
Table 9 embodiment 71～76 each component and content
Table 1 to thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon in table 9 exchanged, can make novel formulation.
Embodiment 77～82 aqueous emulsions
Dimoxystrobin, active component B, solvent, emulsifier are added together, make to be dissolved into even oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, become homogeneous water.Under high-speed stirred, water is added to oil phase, make aqueous emulsion product of the present invention.Specifically in Table 10.
Table 10 embodiment 77～82 each component and content
Embodiment 83～85 microcapsule suspending agents
By dimoxystrobin, active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, defoamer, surplus is supplied by deionized water, 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.
Table 11 embodiment 83～85 each component and content
Embodiment 86～88 microcapsule suspensions-suspending agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into even oil phase, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent under shearing condition, 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, in ball mill, ball milling is 2 ~ 3 hours, make diameter of particle all below 5 μ m, make suspending agent, then suspending agent is joined in the aqueous phase solution of micro-capsule suspension, deionized water is supplied surplus, makes the finely disseminated microcapsule suspension-suspending agent of present composition product.Specifically in Table 12.
Table 12 embodiment 86～88 each component and content
The embodiment of the present invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the 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 carries out field trial.
Test method: after the effective inhibition concentration scope of each medicament is determined in prerun, medicament is established respectively 5 dosage by active constituent content and processed, and establishes clear water contrast.With reference to < < farm-chemical indoor determination test rule bactericide > >, carry out, adopt mycelial growth rate method to measure the virulence of medicament to crop germ.After 72h, by right-angled intersection method, measure colony diameter, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value to (x), with method of least squares, tries to achieve virulence regression equation (y=a+bx), and calculates thus the EC of every kind of medicament
50value.According to Wadley method, calculate the different proportioning synergy ratio (SR) of two medicaments, SR < 0.5 is antagonism simultaneously, and 0.5≤SR≤1.5 are summation action, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and active component B shared ratio in combination; A is dimoxystrobin; B is selected from a kind of in thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon.
Application Example two:
For trying disease: rice sheath blight disease; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining the former medicine of dimoxystrobin and thifluzamide and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice sheath blight disease of table 13 dimoxystrobin and 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, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of dimoxystrobin and thifluzamide is during at 1 ︰ 15 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.The optimum ratio of finding dimoxystrobin and thifluzamide through test 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 trying disease: rice blast; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining dimoxystrobin and isoprothiolane and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice blast of table 14 dimoxystrobin and 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, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of dimoxystrobin and Isoprothiolane is during at 1 ︰ 25 ~ 10 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.25.The optimum ratio of finding dimoxystrobin and Isoprothiolane through test 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 trying disease: rice blast; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining the former medicine of dimoxystrobin and fenoxanil and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice blast of table 15 dimoxystrobin and 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, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of dimoxystrobin and fenoxanil is during at 1 ︰ 30 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.The optimum ratio of finding dimoxystrobin and fenoxanil through test 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 trying disease: downy mildew of garpe; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining the former medicine of dimoxystrobin and captan and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to downy mildew of garpe of table 16 dimoxystrobin and 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, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of dimoxystrobin and captan is during 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 trying disease: tomato blight; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining the former medicine of dimoxystrobin and fluopicolide and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to tomato blight of table 17 dimoxystrobin and 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, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of dimoxystrobin and fluopicolide is during 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 trying disease: powdery mildew of cucumber; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining the phonetic phenol of dimoxystrobin and second or the former medicine of its salt and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to powdery mildew of cucumber of the phonetic phenol of table 18 dimoxystrobin and second or its salt
As shown in Table 18, the phonetic phenol of dimoxystrobin and 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, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of dimoxystrobin and the phonetic phenol of second or its salt is during 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 trying disease: pepper anthracnose; Test medicine provides by Shaanxi Mei Bang agricultural chemicals Co., Ltd; Experimental scheme: effective inhibition concentration scope of determining the former medicine of dimoxystrobin and dithianon and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to pepper anthracnose of table 19 dimoxystrobin and 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, illustrate that both are mixed and all show synergistic effect in 1 ︰ 80 ~ 60 ︰ 1 scopes, when the proportioning of dimoxystrobin and dithianon is during 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: after dimoxystrobin and thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt are composite to various crop on the control of powdery mildew, scab, downy mildew, gray mold, leaf mold, epidemic disease, rice blast, banded sclerotial blight, anthracnose, ring spot have obvious synergistic effect, synergy ratio is all more than 1.50.
Test of pesticide effectiveness part: test medicine is researched and developed, provided by Shaanxi Mei Bang agricultural chemicals Co., Ltd.
The table of comparisons of table 20 contrast 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 25% phonetic phenol suspending agent of second (autogamy) |
| Medicament 4 | 20% fenoxanil suspending agent (autogamy) | Medicament 8 | 22.7% dithianon suspending agent (commercial) |
Application Example nine dimoxystrobins and active component B and composite control pear scab drug effect thereof
Test
This test arrangement, in Xianyang, Shanxi province city, is investigated the pear scab state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 3 days, 7 days, 14 days for the second time, investigate respectively disease index 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, after dimoxystrobin and active component B are composite, can effectively 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 dimoxystrobins and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Weinan City suburb, Shaanxi Province, is investigated the downy mildew of garpe state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 10 days, 20 days, 30 days for the second time, investigate respectively disease index and calculate preventive effect.The following institute of experimental result
Show: table 22 dimoxystrobin and active component B and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 22, after dimoxystrobin and active component B are composite, can effectively 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 dimoxystrobins and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement, at Shaanxi Province's Hanzhong City, is investigated the rice blast state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 3 times altogether in dispenser in every 7 days.Within after dispenser 3 days, 7 days, 14 days for the third time, investigate respectively disease index 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, after dimoxystrobin and active component B are composite, can effectively 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 prevent and treat rice sheath blight disease, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 12 dimoxystrobins and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Jingyang County, Shaanxi Province, is investigated the powdery mildew of cucumber state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 20 days for the second time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 24 dimoxystrobin and active component B and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 24, after dimoxystrobin and active component B are composite, can effectively 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 dimoxystrobins and active component B and the composite ring rot of apple test of pesticide effectiveness of preventing and treating thereof
This test arrangement, in Xianyang, Shanxi province city, is investigated the ring rot of apple state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 3 times altogether in dispenser in every 7 days.Within after dispenser 3 days, 7 days, 14 days for the third time, investigate respectively disease index and calculate preventive effect.Experimental result is as follows:
Table 25 dimoxystrobin and active component B and the composite ring rot of apple test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 25, after dimoxystrobin and active component B are composite, can effectively 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 dimoxystrobins and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement, at Xian District, Shanxi Province suburban area, is investigated the tomato blight state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 14 days, 30 days for the second time, investigate respectively disease index 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, after dimoxystrobin and active component B are composite, can effectively 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 dimoxystrobins and active component B and the composite control watermelon anthrax test of pesticide effectiveness thereof
This test arrangement, in Weinan City Dali County, Shaanxi Province, is investigated the watermelon anthrax state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, once, dispenser is 2 times altogether in dispenser in every 7 days.Within after dispenser 7 days, 10 days, 20 days for the second time, investigate respectively disease index 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, after dimoxystrobin and active component B are composite, can effectively 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.By all parts of the country test, draw, 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 dimoxystrobin and active component B is 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 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 a kind of in thifluzamide, Isoprothiolane, fenoxanil, captan, fluopicolide, the phonetic phenol of second or its salt, dithianon.
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;
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 the phonetic phenol of dimoxystrobin and second or its salt is 1 ︰ 25 ~ 10 ︰ 1;
The weight ratio of dimoxystrobin and dithianon is 1 ︰ 30 ~ 15 ︰ 1.
4. according to the bactericidal composition containing dimoxystrobin described in any one in claims 1 to 3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
5. the bactericidal composition containing dimoxystrobin according to claim 4, for preventing and treating the application of corps diseases.
6. application according to claim 5, is characterized in that: described disease comprises powdery mildew, scab, downy mildew, gray mold, leaf mold, epidemic disease, rice blast, banded sclerotial blight, anthracnose, ring spot.
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| CN201410841252.7A CN104521978B (en) | 2012-09-13 | 2012-09-13 | A kind of bactericidal composition containing dimoxystrobin |
| CN201210337096.1A CN103651441B (en) | 2012-09-13 | 2012-09-13 | Bactericidal composition containing dimoxystrobin |
| CN201410842788.0A CN104604863B (en) | 2012-09-13 | 2012-09-13 | A kind of bactericidal composition containing dimoxystrobin |
| CN201410841115.3A CN104521975B (en) | 2012-09-13 | 2012-09-13 | A kind of bactericidal composition containing dimoxystrobin |
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| CN201210337096.1A CN103651441B (en) | 2012-09-13 | 2012-09-13 | Bactericidal composition containing dimoxystrobin |
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| CN201410841252.7A Division CN104521978B (en) | 2012-09-13 | 2012-09-13 | A kind of bactericidal composition containing dimoxystrobin |
| CN201410841115.3A Division CN104521975B (en) | 2012-09-13 | 2012-09-13 | A kind of bactericidal composition containing dimoxystrobin |
| CN201410842033.0A Division CN104604898A (en) | 2012-09-13 | 2012-09-13 | Dimoxystrobin-contained bactericidal composition |
| CN201410842788.0A Division CN104604863B (en) | 2012-09-13 | 2012-09-13 | A kind of bactericidal composition containing dimoxystrobin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409982A (en) * | 2014-09-19 | 2016-03-23 | 江苏龙灯化学有限公司 | Sterilizing composition |
| CN107467028A (en) * | 2017-08-23 | 2017-12-15 | 山东省果树研究所 | A kind of bactericidal composition and its application containing SYP-3375 and dithianon |
| CN108651492A (en) * | 2018-07-27 | 2018-10-16 | 广东广康生化科技股份有限公司 | A kind of bactericidal composition and its application containing captan and SSF 126 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111475A (en) * | 1993-09-24 | 1995-11-15 | Basf公司 | Fungicidal mixtures |
| CN1794913A (en) * | 2003-05-22 | 2006-06-28 | 巴斯福股份公司 | Fungicidal mixtures |
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2012
- 2012-09-13 CN CN201210337096.1A patent/CN103651441B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111475A (en) * | 1993-09-24 | 1995-11-15 | Basf公司 | Fungicidal mixtures |
| CN1794913A (en) * | 2003-05-22 | 2006-06-28 | 巴斯福股份公司 | Fungicidal mixtures |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409982A (en) * | 2014-09-19 | 2016-03-23 | 江苏龙灯化学有限公司 | Sterilizing composition |
| CN107467028A (en) * | 2017-08-23 | 2017-12-15 | 山东省果树研究所 | A kind of bactericidal composition and its application containing SYP-3375 and dithianon |
| CN108651492A (en) * | 2018-07-27 | 2018-10-16 | 广东广康生化科技股份有限公司 | A kind of bactericidal composition and its application containing captan and SSF 126 |
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