CN105191944A - Fungicidal composition and application thereof - Google Patents
Fungicidal composition and application thereof Download PDFInfo
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- CN105191944A CN105191944A CN201510439249.7A CN201510439249A CN105191944A CN 105191944 A CN105191944 A CN 105191944A CN 201510439249 A CN201510439249 A CN 201510439249A CN 105191944 A CN105191944 A CN 105191944A
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- Prior art keywords
- fluorine azoles
- isocyanuric acid
- chlorobromide isocyanuric
- bactericidal composition
- azoles bacterium
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Abstract
The invention relates to a fungicidal composition. Fluxapyroxad and bromochloroisocyanuric acid are used as main active ingredients, wherein the weight ratio of fluxapyroxad to bromochloroisocyanuric acid is (1-90): (1-90). The invention further discloses application of the fungicidal composition to the preparation of antibiotic drugs for phytopathogenic fungal diseases of cereals, fruit trees and vegetable crops, especially the application to the preparation of fungicidal drugs for preventing and controlling powdery mildew, gray mold, stalk break, valsa canker, rust disease, glume blight, net blotch, downy mildew, rice blast and rhizoctonia solani. The fungicidal composition has a remarkable effect especially in the application to the preparation of fungicidal drugs for preventing and controlling rice blast and powdery mildew of cucumbers.
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 be main active bactericidal composition and the application thereof of fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid.
Background technology
Fluorine azoles bacterium acid amides is pyrazole amide series bactericidal agent, and be succinate dehydrogenase inhibitors, control is had both.The respiration of its energy Antifungi, suppress spore-germination, germ tube extends, mycelial growth and sporulation.Can be used for the multiple fungal disease controlling and suppress in various crop.
Chlorobromide isocyanuric acid (chloroisobrominecyanuricacid) have the bacterium of crop, fungi, virus strong to kill, interior suction and protection dual-use function; this medicine sprays and can discharge Cl and Br at leisure in crop surface; form hypochlorous acid (HOCl) and bromic acid (HOBr), therefore there is strong bactericidal action.Use under recommended dose, to environment, crop safety, but sometimes have poisoning to some crop varieties.
The difficulty of prevention and cure of current phytopathogen is increasing, and on the one hand, along with the change of pattern of farming, the economic crops such as melon and fruit, vegetables cultivated area progressively expands, and disease occurrence degree, generation quantity all increase, and in control, difficulty strengthens; Add on the one hand, the resistance of pathogen rises year by year under the medicament continued selects agent 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 the plant bactericidal composition that a kind of applied widely, fluorine-containing azoles bacterium acid amides that cost is low, effective and chlorobromide isocyanuric acid are provided 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 be realized by following measures:
A kind of bactericidal composition, it is with fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid for principle active component, and wherein fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid weight ratio are 1
~90:1
~90, be preferably 5
~70:5
~80, more preferably 5
~50:5
~40.
In bactericidal composition of the present invention, the mass percentage that both fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid account for composition is 2
~90%, preferably 15
~80%.Wherein in bactericidal composition, effective ingredient is present in composition with enhancing effective amount." % " of the present invention is mass percentage.
Described bactericidal composition, with fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid for principle active component and auxiliary agent that oneself knows and excipient are re-dubbed any one formulation that agricultural chemicals allows.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 addition product, the rare block compound of polyoxyethylene polyoxy third, castor oil polyoxyethylene ether, sodium dodecylbenzene, 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, 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 be alone or and use.
Described bactericidal composition is preparing the application on the medicine controlling Cereal, fruit tree, vegetable crop antibiosis fungal diseases of plants, particularly preparing the application prevented and treated 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, the application especially on the germ killing drugs preparing control rice blast and powdery mildew of cucumber has significant effect.
Compared with prior art 3 beneficial effects of the present invention: (1) compared with single dose, the present composition scope of application increases, expanding prevention is composed, to sac fungi, basidiomycetes, imperfect fungus and print Gammaproteobacteria fungal disease, there is good control efficiency, especially antagonism fungal disease has obvious synergistic function as fungal diseases such as powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast, damping offs, significantly improves control efficiency; (2) compared with single dose, the activity of mixture is greater than the activity of independent component, reduces production and use cost, decreases control recruitment, medication one-tenth; (3) suppress insect or fungi to the drug-fast generation of unitary agent (fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid arbitrary), its successful uses higher than its single dose, overcomes and has delayed pesticide resistance, alternative routine and easily produce the agricultural chemicals of antibiosis.
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 acid amides, 20g chlorobromide isocyanuric acid, 4g sodium lignin sulfonate, 2g dodecyl sulphate custom, 2g white carbon, corn starch adds to 100g, and it is 25% water dispersible granules that formulation method is conveniently mixed with mass percentage.
Embodiment 2:
Take 15g fluorine azoles bacterium acid amides, 20g chlorobromide isocyanuric acid, 3g phenethyl phenol polyethenoxy ether phosphate, 2g alkylphenol polyoxyethylene, 13gC
5-C
8solvent naphtha, 5g ethylene glycol, add water to 100g, and formulation method is conveniently mixed with the aqueous emulsion that mass percentage is 35%.
Embodiment 3:
Take 15g fluorine azoles bacterium acid amides, 10g second azoles alcohol, 6g calcium dodecyl benzene sulfonate, 3g neopelex, 1g alkylphenol polyoxyethylene, 15gC
5-C
8solvent naphtha, 10g propane diols, add water to 100g, and it is 35% microemulsion that formulation method is conveniently mixed with mass percentage.
Embodiment 4:
Take 10g fluorine azoles bacterium acid amides, 40g chlorobromide isocyanuric acid, 3g phenethyl phenol polyethenoxy ether phosphate, 1g alkylphenol polyoxyethylene, 0.1g xanthans, 5g propane diols, add water to 100g, it is 50% suspending agent that formulation method is conveniently mixed with mass percentage.
Embodiment 5:
Take 40g fluorine azoles bacterium acid amides, 10g chlorobromide isocyanuric acid, 5g sodium lignin sulfonate, 2g calcium dodecyl benzene sulfonate, add kaolin to 100g, it is 50% wetting powder that formulation method is conveniently mixed with mass percentage.
Embodiment 6:
Take 5g fluorine azoles bacterium acid amides, 10g chlorobromide isocyanuric acid, 8g calcium dodecyl benzene sulfonate, 5g phenethyl phenol polyethenoxy ether, add C
5-C
8solvent naphtha is to 100g, and it is 15% missible oil that formulation method is conveniently mixed with mass percentage.
Embodiment 7:
Take 10g fluorine azoles bacterium acid amides, 20g chlorobromide isocyanuric acid, 3g phenethyl phenol polyethenoxy ether phosphate, 1g alkylphenol polyoxyethylene, the organic Peng Run soil of 1g, 5g propane diols, vegetable oil complements to 100g, and it is 30% oil suspending agent that formulation method is conveniently mixed with mass percentage.
Embodiment 8:
Take 30g fluorine azoles benzamide, 50g chlorobromide isocyanuric acid, 8g sodium lignin sulfonate, 2g lauryl sodium sulfate, 5g ammonium sulfate, 3g white carbon, fine particle calcium carbonate complements to 100g, and it is 80% water dispersible granules that formulation method is conveniently mixed with mass percentage.
Embodiment 9:
Take 10g fluorine azoles bacterium acid amides, 40g chlorobromide isocyanuric acid, 8g sodium lignin sulfonate, 2g lauryl sodium sulfate, 5g ammonium sulfate, kaolin complements to 100g, and it is 50% wet seed dressing that formulation method is conveniently mixed with mass percentage.
Embodiment 10:
Take 5g fluorine azoles bacterium acid amides, 45g chlorobromide isocyanuric acid, 4g sodium lignin sulfonate, 2g polyoxyethylene poly-oxygen propylene aether, 0.15g xanthans, 5g propane diols, 0.5g third aluminium-magnesium silicate, complement to 100g with water, it is 50% suspension seed-coating agent that formulation method is conveniently mixed with mass percentage.
Embodiment 11:
Take 10g fluorine azoles bacterium acid amides, 20g chlorobromide isocyanuric acid, 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 it is 30% suspension emulsion that formulation method is conveniently mixed with mass percentage.
Embodiment 12
Indoor biometrics is tested:
In indoor employing mycelial growth rate method, measure different agents to the EC of bacterial strain
50value, adopts co-toxicity coefficient computational methods, calculates the co-toxicity coefficient (CTC) of mixture, determine the building performance of mixture, and concrete calculating side is as follows:
With single dose a certain in mixture for standard agent (selects EC usually
50junior), calculate:
Single dose toxicity index=standard agent EC
50× 100
Proportion in the mixture of the toxicity index × B single dose 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
When co-toxicity coefficient classification: CTC is greater than 120, mixture has Synergistic bamboo, and be antagonism when CTC is less than 80, CTC is summation action between 80-120.
Table 1 fluorine azoles acyl bacterium amine-chlorobromide isocyanuric acid different ratio is to the indoor biometrics result of rice blast.
| Medicament | EC 50（mg/L） | Actual measurement toxicity index | Theoretical coefficient | Co-toxicity coefficient |
| Fluorine azoles bacterium acid amides (A) | 13.93 | 100 | ||
| Chlorobromide isocyanuric acid (B) | 34.25 | 40.783 | ||
| A∶B=10∶1 | 8.43 | 165.3 | 94.618 | 144.82 |
| A∶B=5∶1 | 10.48 | 133.34 | 90.12 | 147.94 |
| A∶B=3∶1 | 12.79 | 109.24 | 85.197 | 128.22 |
| A∶B=1∶1 | 13.22 | 105.68 | 70.392 | 150.15 |
| A∶B=1∶2 | 15.86 | 87.966 | 60.523 | 145.35 |
| A∶B=1∶4 | 16.50 | 84.658 | 52.628 | 160.87 |
| A∶B=1∶8 | 24.02 | 58.144 | 47.362 | 122.75 |
Table 1 result of the test illustrates, fluorine azoles acyl bacterium amine and chlorobromide isocyanuric acid is composite prevents and kill off rice blast, and proportioning all has synergistic effect in said ratio, and wherein the synergistic effect of proportioning 1:4 is the most remarkable.
Table 2 fluorine azoles acid amides-chlorobromide isocyanuric acid different ratio is to the indoor biometrics result of powdery mildew of cucumber
| Medicament | EC 50（mg/L） | Actual measurement toxicity index | Theoretical coefficient | Co-toxicity coefficient |
| Fluorine azoles bacterium acid amides (A) | 12.86 | 100 | ||
| Chlorobromide isocyanuric acid (B) | 32.88 | 39.112 | ||
| A∶B=10∶1 | 9.78 | 131.49 | 94.465 | 139.20 |
| A∶B=5∶1 | 10.54 | 122.01 | 89.852 | 135.79 |
| A∶B=3∶1 | 11.18 | 115.03 | 84.778 | 135.68 |
| A∶B=1∶1 | 13.22 | 97.277 | 69.556 | 139.85 |
| A∶B=1∶2 | 15.47 | 83.129 | 59.408 | 139.93 |
| A∶B=1∶4 | 16.29 | 78.944 | 51.29 | 153.92 |
| A∶B=1∶8 | 22.01 | 58.428 | 45.877 | 127.36 |
Table 2 result of the test illustrates, fluorine azoles acyl bacterium amine and chlorobromide isocyanuric acid is composite prevents and kill off powdery mildew of cucumber, and proportioning all has synergistic effect in said ratio, and wherein the synergistic effect of proportioning 1:4 is the most remarkable.
Known by testing above, the present invention has good synergistic effect to plant disease.
Field control effectiveness test:
The pesticidal preparations control rice blast obtained with embodiment 1-3 and powdery mildew of cucumber test.
1, test process: this test medicine consumption establishes three concentration for the treatment of respectively according to the difference of each composition, contrast medicament is agricultural chemicals single dose 25% fluorine azoles bacterium acid amides SC and 5% chlorobromide isocyanuric acid EC and blank clean water experiment respectively.
2, test method: each plot area is 66.7m
2, repeat 3 times; Investigation drug effect method before implementing after Investigation and Prevention is: random sampling 5 point in test treatment region, carries out state of an illness split pole, calculate preventive effect according to government test relevant criterion.
Severity Scaling standard:
0 grade: without scab;
1 grade: lesion area accounts for less than 5% of whole leaf area;
3 grades: lesion area accounts for 6% one 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 more than 50% of whole leaf area.
Disease index=100 × ∑ (the sick number of sheets at different levels × typical value at different levels)/(investigating total number of sheets × highest typical value)
3, result of the test sees the following form 3 and table 4:
Table 3 fluorine azoles acyl bacterium amine-chlorobromide isocyanuric acid composition is to the field efficacy result of rice blast.
Note: a, c, b representative otherness on 0.05 aqua.
Table 4 fluorine azoles acyl bacterium amine-chlorobromide isocyanuric acid composition is to the field efficacy result of powdery mildew of cucumber.
Note: the otherness of a, b, c, d representative on 0.05 aqua.
Shown by indoor biometrics and field efficacy result, fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid composition have obvious synergistic function, and the control efficiency of composition is excellent, and control efficiency is all better than single dose kind, in agricultural application, have using value.
Claims (8)
1. a bactericidal composition, is characterized in that, with fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid for principle active component, wherein the weight ratio of fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid is 1
~90:1
~90.
2. bactericidal composition according to claim 1, is characterized in that, the weight ratio of fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid is 5
~70:5
~80.
3. bactericidal composition according to claim 2, is characterized in that, described fluorine azoles bacterium amine and the weight ratio of chlorobromide isocyanuric acid are 5
~50:5
~40.
4. bactericidal composition according to claim 1, is characterized in that, the mass percentage that both fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid account for composition is 2
~90%.
5. bactericidal composition according to claim 4, is characterized in that, the mass percentage that both fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid account for composition is 15
~80%.
6. bactericidal composition according to claim 1, is characterized in that, with fluorine azoles bacterium acid amides and chlorobromide isocyanuric acid for principle active component and known auxiliary agent and excipient are re-dubbed any sharp formulation that agricultural chemicals allows.
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, the agent of suspending agent clothing, aqueous emulsion or microemulsion.
8. bactericidal composition according to claim 1 preparation control Cereal, fruit to the application on the medicine of, vegetable crop resistance plant fungal disease.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439249.7A CN105191944A (en) | 2015-07-24 | 2015-07-24 | Fungicidal composition and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439249.7A CN105191944A (en) | 2015-07-24 | 2015-07-24 | Fungicidal composition and application thereof |
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| Publication Number | Publication Date |
|---|---|
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Family
ID=54940233
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104336018A (en) * | 2014-10-22 | 2015-02-11 | 江苏东宝农药化工有限公司 | Bactericidal composition using fluxapyroxad and chlorobromoisocyanaria acid as main active ingredients |
| CN108835128A (en) * | 2018-08-29 | 2018-11-20 | 江苏东宝农化股份有限公司 | A kind of Synergistic bactericidal composition and preparation method thereof containing bacillus licheniformis |
| CN116035012A (en) * | 2023-01-09 | 2023-05-02 | 河南科技学院 | Sterilization composition containing bromoisocyanuric acid and fluxapyroxad hydroxylamine |
-
2015
- 2015-07-24 CN CN201510439249.7A patent/CN105191944A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104336018A (en) * | 2014-10-22 | 2015-02-11 | 江苏东宝农药化工有限公司 | Bactericidal composition using fluxapyroxad and chlorobromoisocyanaria acid as main active ingredients |
| CN108835128A (en) * | 2018-08-29 | 2018-11-20 | 江苏东宝农化股份有限公司 | A kind of Synergistic bactericidal composition and preparation method thereof containing bacillus licheniformis |
| CN116035012A (en) * | 2023-01-09 | 2023-05-02 | 河南科技学院 | Sterilization composition containing bromoisocyanuric acid and fluxapyroxad hydroxylamine |
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Application publication date: 20151230 |