CN103907611A - Sterilization composition containing fluxapyroxad and azoxystrobin, and application thereof - Google Patents
Sterilization composition containing fluxapyroxad and azoxystrobin, and application thereof Download PDFInfo
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- CN103907611A CN103907611A CN201310002924.0A CN201310002924A CN103907611A CN 103907611 A CN103907611 A CN 103907611A CN 201310002924 A CN201310002924 A CN 201310002924A CN 103907611 A CN103907611 A CN 103907611A
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- China
- Prior art keywords
- fluoxastrobin
- acid amides
- bactericidal composition
- fluorine azoles
- azoles bacterium
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Abstract
The present invention discloses a sterilization composition adopting fluxapyroxad and azoxystrobin as main active components, and an application thereof, and belongs to the technical field of compounded pesticides. According to the present invention, the sterilization composition adopts fluxapyroxad and azoxystrobin as main active components, wherein a weight ratio of the fluxapyroxad to the azoxystrobin is 1-90:1-90, and the total amount of the fluxapyroxad and the azoxystrobin is 2-90% of the mass of the sterilization composition; and the sterilization composition provides significant effects for preparation of drugs for prevention and control of crop resistance plant fungous diseases of cereals, fruits and vegetables, and specifically for preparation of sterilization drugs for prevention and control of powdery mildew, botrytis cinerea, sclerotinia rot, rot disease, rust disease, glume spot of rice, web blotch, downy mildew, rice blast and seedling blight, especially sterilization drugs for prevention and control of rice blast and cucumber powdery mildew. In addition, compared with the single-agent substance, the composition has characteristics of prevention and control spectrum expanding, production and use cost reducing, and drug resistance overcome and delaying.
Description
Technical field
The invention belongs to technical field of compounded pesticide, relate to a kind of bactericidal composition and uses thereof, especially a kind of bactericidal composition and application thereof taking fluorine azoles bacterium acid amides and Fluoxastrobin as main active.
Background technology
Fluorine azoles bacterium acid amides (fluxapyroxad), chemical name: 3-(difluoromethyl)-1-methyl-N-(3', 4', 5'-trifluoro[1,1'-biphenyl]-2-yl)-1H-pyrazole-4-carboxamide, molecular formula: C
18h
12f
5n
3o.Structural formula is as follows:
Pyrazole amide series bactericidal agent, is succinate dehydrogenase inhibitors, and control is had both.The respiration of its energy Antifungi, suppresses spore-germination, and germ tube extends, mycelial growth and sporulation.Can be used for controlling and suppressing the multiple fungal disease in various crop.
Fluoxastrobin (Azoxystrobin), molecular formula: C
22h
17n
3o
5, chemical name: (E) 2-[2-[6-(2-cyano-benzene oxygen) pyrimidine-4-yl oxygen] and phenyl]-3-methoxy-methyl acrylate.Structural formula:
Fluoxastrobin is methoxy acrylate (Strobilurin) series bactericidal agent, efficiently, wide spectrum, nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease is all had to good activity as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc.Can be used for cauline leaf spraying, seed treatment, also can carry out soil treatment, be mainly used in cereal, paddy rice, peanut, grape, potato, fruit tree, vegetables, coffee, lawn etc.
The difficulty of prevention and cure of phytopathogen is increasing at present, and on the one hand, along with the change of pattern of farming, the economic crops cultivated areas such as melon and fruit, vegetables progressively expand, and disease occurrence degree, generation quantity all increase, and in control, difficulty strengthens; On the other hand, the resistance of pathogen rises year by year under lasting medicament selection pressure, and the control efficiency of single dose is had a greatly reduced quality, and control of plant disease is faced with significant challenge.
Summary of the invention
The object of the invention is provides a kind of applied widely, fluorine-containing azoles bacterium acid amides that cost is low, effective and the plant bactericidal composition of Fluoxastrobin for above-mentioned technical problem.
A further object of the invention is to provide the application of this bactericidal composition on the medicine of preparation control Cereal, fruit tree, vegetable crop resistance plant fungal disease.
The object of the invention is to realize by following measures:
A kind of bactericidal composition, it is taking fluorine azoles bacterium acid amides and Fluoxastrobin as main active ingredient, and wherein fluorine azoles bacterium acid amides and Fluoxastrobin weight ratio are 1 ~ 90:1 ~ 90, are preferably 5 ~ 70:5 ~ 80, more preferably 5 ~ 50:5 ~ 40.
In bactericidal composition of the present invention, the two quality percentage composition that accounts for composition of fluorine azoles bacterium acid amides and Fluoxastrobin is 2 ~ 90%, preferably 10 ~ 80%.Wherein in bactericidal composition, effective ingredient is present in composition with synergy effective dose." % " of the present invention is quality percentage composition.
Described bactericidal composition, taking fluorine azoles bacterium acid amides and Fluoxastrobin as main active ingredient and known auxiliary agent and excipient be re-dubbed any one formulation allowing on agricultural chemicals.Described formulation preferred water dispersible granule, wet seed dressing, missible oil, wetting powder, suspending agent, oil suspending agent, suspension emulsion, suspension seed-coating agent, aqueous emulsion or microemulsion.
Described auxiliary agent comprises surfactant, antifreezing agent, thickener, antifreezing agent, solvent and filler etc.
Described surfactant comprises calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, Ben-zylphenol Polyoxyethyl Ether, phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether and similar products thereof, aliphatic amine polyoxyethylene ether, fatty acid ethylene oxide adduct, the rare block compound of polyoxyethylene polyoxy third, castor oil polyoxyethylene ether, neopelex, lauryl sulfate, tween series, fatty alcohol-polyoxyethylene ether, polyethylene glycol series, Sulfonates, carboxylate, sulphate, phosphate, phosphite, lignosulfonates, phenol formaldehyde condensate, ammonium salt, one or more combinations in quaternary etc.
Described thickener is selected from xanthans, organobentonite, aluminium-magnesium silicate and white carbon etc.Described solvent is solvent naphtha, vegetable oil and water.Described antifreezing agent is ethylene glycol and propane diols.Described filler is mainly kaolin, corn starch, ammonium sulfate and fine particle calcium carbonate etc.
Above auxiliary agent, excipient and other auxiliary material can alone or and use.
The application of described bactericidal composition on the medicine of preparation control Cereal, fruit tree, vegetable crop resistance plant fungal disease, particularly prevent and treat the application on the germ killing drugs of powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast and damping off in preparation, especially the application on the germ killing drugs of preparation control rice blast and powdery mildew of cucumber has significant effect.
Compared with prior art beneficial effect of the present invention: (1) is compared with single dose, the present composition scope of application increases, expanding prevention spectrum, sac fungi, basidiomycetes, imperfect fungus and Oomycete fungal disease are had to good control efficiency, especially antagonism fungal disease, as the fungal diseases such as powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast, damping off have obvious synergistic function, has obviously improved control efficiency; (2), compared with single dose, the activity of mixture is greater than the activity of independent component, has reduced production and use cost, has reduced control recruitment, drug cost; (3) suppress insect or the drug-fast generation of fungi to unitary agent (fluorine azoles bacterium acid amides and Fluoxastrobin are arbitrary), its successful uses higher than its single dose, overcomes and has delayed pesticide resistance, alternative routine and easily produce the agricultural chemicals of resistance.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and in embodiment, the preparation method of formulation is conventional method.
Embodiment 1:
Take 5g fluorine azoles bacterium acid amides, 20g Fluoxastrobin, 4g sodium lignin sulfonate, 2g lauryl sodium sulfate, 2g white carbon, corn starch adds to 100g, and being mixed with quality percentage composition according to conventional formulation method is 25% water dispersible granules.
Embodiment 2:
Take 10g fluorine azoles bacterium acid amides, 20g Fluoxastrobin, 3g phenethyl phenol polyethenoxy ether phosphate, 2g alkylphenol polyoxyethylene, 13g C
5-C
8solvent naphtha, 5g ethylene glycol, add water to 100g, and being mixed with quality percentage composition according to conventional formulation method is 30% aqueous emulsion.
Embodiment 3:
Take 5g fluorine azoles bacterium acid amides, 5g Fluoxastrobin, 6g calcium dodecyl benzene sulfonate, 3g neopelex, 1g alkylphenol polyoxyethylene, 15g C
5-C
8solvent naphtha, 10g propane diols, add water to 100g, and being mixed with quality percentage composition according to conventional formulation method is 10% microemulsion.
Embodiment 4:
Take 10g fluorine azoles bacterium acid amides, 40g Fluoxastrobin, 3g phenethyl phenol polyethenoxy ether phosphate, 1g alkylphenol polyoxyethylene, 0.1g xanthans, 5g propane diols, add water to 100g, being mixed with quality percentage composition according to conventional formulation method is 50% suspending agent.
Embodiment 5:
Take 40g fluorine azoles bacterium acid amides, 10g Fluoxastrobin, 5g sodium lignin sulfonate, 2g calcium dodecyl benzene sulfonate, add kaolin to 100g, being mixed with quality percentage composition according to conventional formulation method is 50% wetting powder.
Embodiment 6:
Take 5g fluorine azoles bacterium acid amides, 10g Fluoxastrobin, 8g calcium dodecyl benzene sulfonate, 5g phenethyl phenol polyethenoxy ether, add C
5-C
8solvent naphtha is to 100g, and being mixed with quality percentage composition according to conventional formulation method is 15% missible oil.
Embodiment 7:
Take 10g fluorine azoles bacterium acid amides, 20g Fluoxastrobin, 3g phenethyl phenol polyethenoxy ether phosphate, 1g alkylphenol polyoxyethylene, 1g organobentonite, 5g propane diols, vegetable oil complements to 100g, and being mixed with quality percentage composition according to conventional formulation method is 30% oil suspending agent.
Embodiment 8:
Take 20g fluorine azoles bacterium acid amides, 60g Fluoxastrobin, 8g sodium lignin sulfonate, 2g lauryl sodium sulfate, 5g ammonium sulfate, 3g white carbon, fine particle calcium carbonate complements to 100g, and being mixed with quality percentage composition according to conventional formulation method is 80% water dispersible granules.
Embodiment 9:
Take 10g fluorine azoles bacterium acid amides, 40g Fluoxastrobin, 8g sodium lignin sulfonate, 2g lauryl sodium sulfate, 5g ammonium sulfate, kaolin complements to 100g, and being mixed with quality percentage composition according to conventional formulation method is 50% wet seed dressing.
Embodiment 10:
Take 5g fluorine azoles bacterium acid amides, 45g Fluoxastrobin, 4g sodium lignin sulfonate, 2g polyoxyethylene poly-oxygen propylene aether, 0.15g xanthans, 5g propane diols, 0.5g aluminium-magnesium silicate, water complements to 100g, and being mixed with quality percentage composition according to conventional formulation method is 50% suspension seed-coating agent.
Embodiment 11:
Take 10g fluorine azoles bacterium acid amides, 20g Fluoxastrobin, 1g calcium dodecyl benzene sulfonate, 3g alkylphenol polyoxyethylene phosphate, 2g aliphatic acid polyethenoxy ether, 1g organobentonite, 5g propane diols, 10g vegetable oil, water complements to 100g, and being mixed with quality percentage composition according to conventional formulation method is 30% suspension emulsion.
Embodiment 12
Indoor biometrics test:
In indoor employing mycelial growth rate method, measure the EC of different medicaments to bacterial strain
50value, adopts co-toxicity coefficient computational methods, calculates the co-toxicity coefficient (CTC) of mixture, determines the synergy of mixture, and circular is as follows:
(conventionally select EC taking a certain single dose in mixture as standard medicament
50junior), calculate:
Single dose toxicity index=standard medicament EC
50/ certain single dose EC
50× 100
Toxicity index × B single dose proportion in mixture of toxicity index × A single dose proportion+B single dose in mixture of theoretical toxicity index=A single dose
The EC of actual measurement toxicity index=standard single dose
50the EC of value/mixture
50value × 100
Co-toxicity coefficient=actual measurement toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient classification: CTC is greater than 120 o'clock mixtures and has synergetic, and it is antagonism that CTC is less than at 80 o'clock, and CTC is summation action between 80-120.
The indoor biometrics result of the different proportionings of table 1 fluorine azoles acyl bacterium amine-Fluoxastrobin to rice blast
| Medicament | EC 50(mg/L) | Actual measurement toxicity index | Theoretical coefficient | Co-toxicity coefficient |
| Fluorine azoles bacterium acid amides (A) | 13.33 | 100 | - | |
| Fluoxastrobin (B) | 34.78 | 38.327 | - | |
| A:B=10:1 | 9.723 | 137.1 | 94.393 | 145.24 |
| A:B=5:1 | 10.85 | 122.86 | 89.721 | 136.93 |
| A:B=3:1 | 11.45 | 116.42 | 84.582 | 137.64 |
| A:B=1:1 | 14.03 | 95.011 | 69.163 | 137.37 |
| A:B=1:2 | 15.06 | 88.513 | 58.884 | 150.32 |
| A:B=1:4 | 18.01 | 74.014 | 50.661 | 146.10 |
| A:B=1:8 | 21.47 | 62.087 | 45.179 | 137.42 |
The explanation of table 1 result of the test, fluorine azoles acyl bacterium amine and azoxystrobin compound are prevented and kill off rice blast, and proportioning all has synergistic effect in said ratio, and wherein the synergistic effect of proportioning 1:2 is the most remarkable.
The indoor biometrics result of the different proportionings of table 2 fluorine azoles acyl bacterium amine-Fluoxastrobin to powdery mildew of cucumber
| Medicament | EC 50(mg/L) | Actual measurement toxicity index | Theoretical coefficient | Co-toxicity coefficient |
| Fluorine azoles bacterium acid amides (A) | 12.72 | 100 | - | |
| Fluoxastrobin (B) | 30.56 | 41.623 | - | |
| A:B=10:1 | 9.89 | 128.61 | 94.693 | 135.82 |
| A:B=5:1 | 10.63 | 119.66 | 90.271 | 132.56 |
| A:B=3:1 | 11.51 | 110.51 | 85.406 | 129.40 |
| A:B=1:1 | 12.73 | 99.921 | 70.812 | 141.11 |
| A:B=1:2 | 15.16 | 83.905 | 61.082 | 137.36 |
| A:B=1:4 | 18.51 | 68.72 | 53.298 | 128.93 |
| A:B=1:8 | 21.67 | 58.699 | 48.109 | 122.01 |
The explanation of table 2 result of the test, fluorine azoles acyl bacterium amine and azoxystrobin compound are prevented and kill off powdery mildew of cucumber, and proportioning all has synergistic effect in said ratio, and wherein the synergistic effect of proportioning 1:1 is the most remarkable.
Known by above test, the present invention has good synergistic effect to plant disease.
Field control effectiveness test:
The pesticidal preparations control rice blast making with embodiment 1 ~ 3 and powdery mildew of cucumber test.
1, test is processed: this test medicine consumption is established respectively three concentration for the treatment of according to the difference of each composition, and contrast medicament is respectively agricultural chemicals single dose 25% fluorine azoles bacterium acid amides SC and 25% Fluoxastrobin SC and the test of blank clear water.
2, test method: each community area is 66.7m
2, repeat 3 times; Investigation drug effect method before dispenser after Investigation and Prevention is: random sampling 5 points in test treatment region, carry out severity Scaling according to national field trial relevant criterion, and calculate preventive effect.
Severity Scaling standard:
0 grade: without scab;
1 grade: lesion area accounts for below 5% of whole leaf area;
3 grades: lesion area accounts for the 6%-10% of whole leaf area;
5 grades: lesion area accounts for the 11%-25% of whole leaf area;
7 grades: lesion area accounts for the 26%-50% of whole leaf area;
9 grades: lesion area accounts for the more than 50% of whole leaf area.
Disease index=100 × ∑ (the sick numbers of sheets at different levels × typical values at different levels)/(investigating total number of sheets × highest typical value)
3, result of the test sees the following form 3 and table 4:
The field efficacy result of table 3 fluorine azoles acyl bacterium amine-azoxystrobin composite to rice blast
Note: a, b, c represent the otherness on 0.05 aqua.
The field efficacy result of table 4 fluorine azoles acyl bacterium amine-azoxystrobin composite to powdery mildew of cucumber
Note: a, b, c represent the otherness on 0.05 aqua.
Show by indoor biometrics and field efficacy result, fluorine azoles bacterium acid amides and azoxystrobin composite have obvious synergistic function, and the control efficiency of composition is good, and control efficiency is all better than single dose kind, in agricultural application, have using value.
Claims (10)
1. a bactericidal composition, is characterized in that wherein the weight ratio of fluorine azoles bacterium acid amides and Fluoxastrobin is 1 ~ 90:1 ~ 90 taking fluorine azoles bacterium acid amides and Fluoxastrobin as main active ingredient.
2. bactericidal composition according to claim 1, the weight ratio that it is characterized in that fluorine azoles bacterium acid amides and Fluoxastrobin is 5 ~ 70:5 ~ 80.
3. bactericidal composition according to claim 2, is characterized in that described fluorine azoles bacterium acid amides and the weight ratio of Fluoxastrobin are 5 ~ 50:5 ~ 40.
4. bactericidal composition according to claim 1, is characterized in that the two quality percentage composition that accounts for composition of fluorine azoles bacterium acid amides and Fluoxastrobin is 2 ~ 90%.
5. bactericidal composition according to claim 4, is characterized in that the two quality percentage composition that accounts for composition of fluorine azoles bacterium acid amides and Fluoxastrobin is 10 ~ 80%.
6. bactericidal composition according to claim 1, is characterized in that taking fluorine azoles bacterium acid amides and Fluoxastrobin as main active ingredient and known auxiliary agent and excipient are re-dubbed any one formulation allowing on agricultural chemicals.
7. bactericidal composition according to claim 6, is characterized in that described formulation is water dispersible granules, wet seed dressing, missible oil, wetting powder, suspending agent, oil suspending agent, suspension emulsion, suspension seed-coating agent, aqueous emulsion or microemulsion.
8. the application of bactericidal composition claimed in claim 1 on the medicine of preparation control Cereal, fruit tree, vegetable crop resistance plant fungal disease.
9. bactericidal composition claimed in claim 1 is prevented and treated the application on the germ killing drugs of powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast and damping off in preparation.
10. the application of bactericidal composition claimed in claim 1 on the germ killing drugs of preparation control rice blast and powdery mildew of cucumber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002924.0A CN103907611A (en) | 2013-01-06 | 2013-01-06 | Sterilization composition containing fluxapyroxad and azoxystrobin, and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002924.0A CN103907611A (en) | 2013-01-06 | 2013-01-06 | Sterilization composition containing fluxapyroxad and azoxystrobin, and application thereof |
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|---|---|
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ID=51033885
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|---|---|---|---|
| CN201310002924.0A Pending CN103907611A (en) | 2013-01-06 | 2013-01-06 | Sterilization composition containing fluxapyroxad and azoxystrobin, and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006478A (en) * | 2017-04-12 | 2017-08-04 | 江苏金凤凰农化有限公司 | A kind of composition and application process that rice seedling blight is treated based on guaiacol |
| CN112250508A (en) * | 2020-11-03 | 2021-01-22 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of pesticide-fertilizer granules containing thifluzamide and azoxystrobin |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257798A (en) * | 2005-08-05 | 2008-09-03 | 巴斯福股份公司 | Fungicidal mixtures containing substituted 1-methyl pyrazol-4-yl carboxylic acid anilides |
| CN102014628A (en) * | 2008-02-05 | 2011-04-13 | 巴斯夫欧洲公司 | Plant health composition |
| CN103385247A (en) * | 2012-05-10 | 2013-11-13 | 陕西韦尔奇作物保护有限公司 | Bactericidal composition containing fluxapyroxad and strobilurin |
-
2013
- 2013-01-06 CN CN201310002924.0A patent/CN103907611A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257798A (en) * | 2005-08-05 | 2008-09-03 | 巴斯福股份公司 | Fungicidal mixtures containing substituted 1-methyl pyrazol-4-yl carboxylic acid anilides |
| CN102014628A (en) * | 2008-02-05 | 2011-04-13 | 巴斯夫欧洲公司 | Plant health composition |
| CN103385247A (en) * | 2012-05-10 | 2013-11-13 | 陕西韦尔奇作物保护有限公司 | Bactericidal composition containing fluxapyroxad and strobilurin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006478A (en) * | 2017-04-12 | 2017-08-04 | 江苏金凤凰农化有限公司 | A kind of composition and application process that rice seedling blight is treated based on guaiacol |
| CN112250508A (en) * | 2020-11-03 | 2021-01-22 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of pesticide-fertilizer granules containing thifluzamide and azoxystrobin |
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Application publication date: 20140709 |