CN104621149A - Sterilization composition containing prothioconazole and thifluzamide and application thereof - Google Patents
Sterilization composition containing prothioconazole and thifluzamide and application thereof Download PDFInfo
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- CN104621149A CN104621149A CN201310572248.0A CN201310572248A CN104621149A CN 104621149 A CN104621149 A CN 104621149A CN 201310572248 A CN201310572248 A CN 201310572248A CN 104621149 A CN104621149 A CN 104621149A
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- thifluzamide
- prothioconazoles
- bactericidal composition
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Abstract
The invention discloses a sterilization composition containing prothioconazole and thifluzamide and an application thereof. The sterilization composition takes prothioconazole and thifluzamide as main effective ingredients. The sterilization composition can be applied to prevention and treatment of diseases of grains, fruit trees and vegetables, has a relatively high synergetic effect, can be used for overcoming and retarding drug resistance of bacteria with high sterilization speed and long duration, and reducing application cost, and has a prevention and treatment effect remarkably superior to that of a single preparation. The sterilization composition can be used for preventing and treating fungous diseases of crops, especially powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust disease, sclerotinia sclerotiorum, net blotch, scald, botrytis, black spot, brown blotch, black shank, smut disease and damping off, and has an effect better than that of a single preparation.
Description
Technical field:
The present invention relates to a kind of bactericidal composition and application thereof, especially a kind of be main active bactericidal composition and the application thereof of prothioconazoles and thifluzamide.
Background technology:
Prothioconazoles (Prothioconazole), it is the New-type wide-spectrum triazolinthione series bactericidal agent developed by Beyer Co., Ltd, chemical name: 2-(2-(1-chlorine cyclopropyl)-3-(2-chlorphenyl)-2-hydroxypropyl-1-2-dihydro-3-1,2,4-triazole-3-sulfo-, molecular formula: C
14h
15cl
2n
3oS.Structural formula is as follows:
The mechanism of action of prothioconazoles is the precursor of sterol in Antifungi---the demethylation effect on lanosterol or the liquor-saturated l4 position of 24-methylene dihydro Mi hair, i.e. demethylation inhibitors (DMIs).Not only there is good systemic activity, excellent protection, treat and root out activity, and the lasting period is long.By a large amount of field control effectiveness tests, result shows that prothioconazoles not only has good safety to crop, and preventing disease theraping effect is good, and volume increase obviously, and compare with triazole type biocide agent, prothioconazoles has the bactericidal activity of more wide spectrum.Be mainly used in control cereal crop as numerous diseases such as wheat, barley, rape, peanut, paddy rice and legume crops.Almost there is good control efficiency, as the powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust, stalk break, net blotch, moire disease etc. of Wheat and barley to all wheat class diseases.The soil-borne disease of oily Lay and peanut can also be prevented and treated, as stalk break, and main foliage disease, as gray mold, black spot, brown spot, balck shank, stalk break and rust etc.
Thifluzamide (Trifluzamide), also claims thifluzamide, chemical name: the bromo-2-methyl of 2', 6'-bis--4'-trifluoromethoxy-4-Trifluoromethyl-1,3-thiadiazoles-5-hydroxyl anilide, molecular formula C
13h
6br
2f
6n
2o
2s, chemical structural formula
Thifluzamide toxicity is low: rat acute LD50 of passing through mouth >5000mg/kg, and rat acute is through skin LD50>5000mg/kg, and rat acute sucks LC50>50001.4mg/L air.There is moderate to stimulate to lagophthalmos eyeball, have minimal irritation to rabbit skin.Belong to thiazole amide bactericide, there is strong Uptake and translocation and long lasting effect.Thifluzamide is succinate dehydrogenase inhibitor, and due to fluorine-containing, its competitiveness in biochemical pathway is very strong, just not easily recovers once be combined with substrate or enzyme.
Thifluzamide is used for paddy rice, cereal crop and lawn, effective to the pathomycete such as Rhizoctonia, Puccinia, raw meat black point of Pseudomonas, corticium, Ustilago, to the fungus-caused disease of Basidiomycetes, as damping off, banded sclerotial blight etc. have special efficacy.
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; On the other hand, the resistance of pathogen rises year by year under the medicament selection pressure continued, 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 containing prothioconazoles and thifluzamide providing a kind of applied widely, cost low, effective for above-mentioned technical problem.
A further object of the invention is to provide this bactericidal composition and causes application on fungal disease at control plant epiphyte, is is especially preventing and treating the application in powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust, stalk break, net blotch, moire disease, gray mold, black spot, brown spot, balck shank, smut and damping off.
The object of the invention is to be realized by following measures:
A kind of bactericidal composition, it contains prothioconazoles and thifluzamide, and wherein prothioconazoles and thifluzamide weight ratio are 1 ~ 70:1 ~ 50, is preferably 1 ~ 35:1 ~ 25, more preferably 1 ~ 10:1 ~ 20, most preferably is 1:2 ~ 6.
In the compositions of the present invention, the percentage by weight that both prothioconazoles and thifluzamide account for composition is 2 ~ 80%, preferably 10 ~ 40%.
Described bactericidal composition, wherein prothioconazoles and thifluzamide and known auxiliary agent and excipient are re-dubbed the formulation that agricultural chemicals allows.These known auxiliary agents have dispersant, diffusant, defoamer, wetting agent, disintegrant etc., calcium dodecyl benzene sulfonate can be adopted, 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, polyoxyethylene nonylphenol ether, TWEEN Series, fatty alcohol-polyoxyethylene ether, polyethylene glycol series, Sulfonates, carboxylate, sulphate, phosphate, phosphite, lignosulfonates, xanthans, phenol formaldehyde condensate, ammonium salt, one or more in quaternary etc., excipient comprises cyclohexanone, dimethylbenzene, various solvent naphtha, water, antifreezing agent (as propane diols), deionized water etc.Above auxiliary agent, excipient and other auxiliary material can be alone or and use.
Described bactericidal composition, its formulation is missible oil, wetting powder, suspending agent, aqueous emulsion, microemulsion or water dispersion granule.
The described bactericidal composition containing prothioconazoles and thifluzamide has the application prevented and treated in resistance plant fungal disease medicine in preparation.
The described compound biocide composite containing prothioconazoles and thifluzamide has in preparation the application prevented and treated on powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust, stalk break, net blotch, moire disease, gray mold, black spot, brown spot, balck shank, smut and damping off medicine.
Beneficial effect of the present invention:
The application of bactericidal composition of the present invention on preparation control refractory fungal, especially all has significant effect in the application preventing and treating powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust, stalk break, net blotch, moire disease, gray mold, black spot, brown spot, balck shank, smut and damping off.Bactericidal composition of the present invention can produce higher synergistic function, and activity is greater than the activity of independent component.
Compared with prior art beneficial effect of the present invention: (1) is compared with single dose, said composition antagonism fungal disease such as powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust, stalk break, net blotch, moire disease, gray mold, black spot, brown spot, balck shank, smut and damping off have obvious synergistic function, overcome and delayed pesticide resistance, expanding prevention is composed, and significantly improves control efficiency; (2) control recruitment, drug cost is reduced; (3) alternative routine and the easy agricultural chemicals producing resistance; (4) compared with single dose, produce and use cost reduction; (5) the drug-fast generation of Antifungi, its successful uses higher than its single dose.
Embodiment:
Below in conjunction with embodiment, the invention will be further described, and in embodiment, the preparation method of formulation is conventional method, and " % " of the present invention is mass percent.
Two kinds of reactive compounds can be processed into any one formulation of permission, with specific embodiment, the preparation that two kinds of active ingredients are processed into are described below, but the preparation that these two kinds of active components can be processed be not limited only to following listed by.
Embodiment 1:
By prothioconazoles 5g, thifluzamide 10g, detergent LS(to methoxyl group fatty acid amido benzene sulfonic acid sodium salt) 2g, dispersing agent NNO (sodium methylene bis-naphthalene sulfonate) 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and obtained active ingredient weight percentage is 15% wetting powder.
Embodiment 2:
By prothioconazoles 3g, thifluzamide 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and obtained active ingredient weight percentage is 15% wetting powder.
Embodiment 3:
By prothioconazoles 2g, thifluzamide 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and obtained active ingredient weight percentage is 14% wetting powder.
Embodiment 4:
Take 5g prothioconazoles, 50g thifluzamide, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, solvent naphtha 13g, adds water to 100g.The method above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, and making active ingredient weight percentage is 55% prothioconazoles-thifluzamide aqueous emulsion.
Embodiment 5:
Take 2g prothioconazoles, 30g thifluzamide, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, adds water to 100g.The method above raw material being prepared routinely microemulsion drops in mixing kettle and mixes, and making active ingredient weight percentage is 32% prothioconazoles-thifluzamide microemulsion.
Embodiment 6:
Take 1g prothioconazoles, 5g thifluzamide, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, solvent naphtha 13g, adds water to 100g.The method above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, and making active ingredient weight percentage is 6% prothioconazoles-thifluzamide aqueous emulsion.
Embodiment 7:
Take 50g prothioconazoles, 20g thifluzamide, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, castor oil polyoxyethylene ether 2g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient weight percentage is 70% prothioconazoles-thifluzamide missible oil.
Embodiment 8:
Take 2g prothioconazoles, 40g thifluzamide, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient weight percentage is 42% prothioconazoles-thifluzamide missible oil.
Embodiment 9:
Take 5g prothioconazoles, 20g thifluzamide, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, adds water to 100g.The method above raw material being prepared routinely microemulsion drops in mixing kettle and mixes, and making active ingredient weight percentage is 25% prothioconazoles-thifluzamide microemulsion.
Embodiment 10:
Take 5g prothioconazoles, 0.5g thifluzamide, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient weight percentage is 5.5% prothioconazoles-thifluzamide missible oil.
Embodiment 11:
Take 5g prothioconazoles, 30g thifluzamide, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, solvent naphtha are to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making active ingredient weight percentage is 35% prothioconazoles-thifluzamide missible oil.
Embodiment 12:
Take 10g prothioconazoles, 10g thifluzamide, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complement to 100g with water, under the effect of sand mill, make active ingredient weight percentage is 20% prothioconazoles-thifluzamide suspending agent.
Embodiment 13:
Take 30g prothioconazoles, 12g thifluzamide, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complement to 100g with water, under the effect of sand mill, make active ingredient weight percentage is 42% prothioconazoles-thifluzamide suspending agent.
Embodiment 14:
Take 2g prothioconazoles, 5g thifluzamide, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, white carbon 3g, diatomite complement to 100g, and it is 7% prothioconazoles-thifluzamide water dispersion granule that above raw material is made active ingredient weight percentage by water dispersible granular agent method.
Embodiment 15:
Take 4g prothioconazoles, 13g thifluzamide, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, diatomite 28g complements to 100g, and it is 17% prothioconazoles-thifluzamide water dispersion granule that above raw material is made active ingredient weight percentage by water dispersible granular agent method.
Embodiment 16:
Take 5g prothioconazoles, 15g thifluzamide, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complement to 100g with water, under the effect of sand mill, make active ingredient weight percentage is 20% prothioconazoles-thifluzamide suspending agent.
Indoor biometrics is tested:
In indoor employing mycelial growth rate method, measure different agents to the EC of bacterial strain
50value, adopt co-toxicity coefficient computational methods, calculate the co-toxicity coefficient (CTC) of mixture, determine the building performance of mixture, circular 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/ 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
When co-toxicity coefficient classification: CTC is greater than 120, mixture has synergetic, and be antagonism when CTC is less than 80, CTC is summation action between 80-120.
Table 1: prothioconazoles+thifluzamide different ratio is to the indoor biometrics result of rice sheath blight disease (Thanatephorus cucumeris (Frank) Donk)
| Medicament | Virulence regression equation | EC50（mg/L） | Co-toxicity coefficient |
| Prothioconazoles (A) | Y=2.11X+4.79 | 1.256 | - |
| Thifluzamide (B) | Y=1.45X+4.10 | 4.153 | - |
| A:B=1:2 | Y=2.04X+3.56 | 5.065 | 153.26 |
| A:B=1:4 | Y=1.11X+4.11 | 6.324 | 148.59 |
| A:B=1:6 | Y=2.13X+3.33 | 6.061 | 170.42 |
Prothioconazoles (A) and thifluzamide (B) is adopted to test the indoor biometrics of rice sheath blight disease with different ratio in table 1, as shown in Table 1, composition co-toxicity coefficient of the present invention is all greater than 120, and namely the present composition has good synergetic, and its effect is all better than single dose kind.
Field control effectiveness test:
1. test process: the difference of each composition of this experimental evidence establishes three dosings respectively, dosing be active ingredient prothioconazoles (A) and active ingredient thifluzamide (B) quality with.Contrast medicament is agricultural chemicals single dose 25% thifluzamide ME and 5% prothioconazoles ME and blank clean water experiment respectively.
2. test method: each plot area is 66.7m
2, repeat 3 times; Investigation drug effect method before dispenser after Investigation and Prevention is: random sampling 5 point in test treatment region, carries out severity Scaling, calculate preventive effect according to national field trial relevant criterion.Result of the test sees the following form:
Table 2 field control effectiveness test result
Shown by field efficacy result, as shown in Table 2, the present composition has 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 (10)
1. contain a bactericidal composition for prothioconazoles and thifluzamide, it is characterized in that: described prothioconazoles and the weight ratio of thifluzamide are 1 ~ 70:1 ~ 50.
2. the bactericidal composition containing prothioconazoles and thifluzamide according to claim 1, is characterized in that: described prothioconazoles and the weight ratio of thifluzamide are 1 ~ 35:1 ~ 25.
3. the bactericidal composition containing prothioconazoles and thifluzamide according to claim 2, is characterized in that the weight ratio of described prothioconazoles and thifluzamide is 1 ~ 10:1 ~ 20.
4. the bactericidal composition containing prothioconazoles and thifluzamide according to claim 3, is characterized in that the weight ratio of described prothioconazoles and thifluzamide is 1:2 ~ 6.
5. the bactericidal composition containing prothioconazoles and thifluzamide according to claim 1, is characterized in that the weight percentage that both prothioconazoles and thifluzamide account for composition is 5.5 ~ 80%.
6. the bactericidal composition containing prothioconazoles and thifluzamide according to claim 5, is characterized in that the weight percentage that both prothioconazoles and thifluzamide account for composition is 10 ~ 40%.
7. the bactericidal composition containing prothioconazoles and thifluzamide according to claim 1, is characterized in that described bactericidal composition is for principle active component and insecticides adjuvant, excipients are mixed with the formulation that agricultural chemicals allows with prothioconazoles and thifluzamide.
8. the bactericidal composition containing prothioconazoles and thifluzamide according to claim 7, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule.
9. the application of bactericidal composition as preparation control resistance plant fungal disease medicine containing prothioconazoles and thifluzamide according to claim 1.
10. the compound biocide composite containing prothioconazoles and thifluzamide according to claim 9 prevents and treats the application of powdery mildew, banded sclerotial blight, fusarium wilt, leaf spot, rust, stalk break, net blotch, moire disease, gray mold, black spot, brown spot, balck shank, smut and damping off medicine as preparation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572248.0A CN104621149A (en) | 2013-11-15 | 2013-11-15 | Sterilization composition containing prothioconazole and thifluzamide and application thereof |
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|---|---|---|---|
| CN201310572248.0A CN104621149A (en) | 2013-11-15 | 2013-11-15 | Sterilization composition containing prothioconazole and thifluzamide and application thereof |
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ID=53200801
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115152780A (en) * | 2022-06-27 | 2022-10-11 | 江西省农业科学院植物保护研究所 | Medicament for preventing and treating spike blight of plantain and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008092818A2 (en) * | 2007-02-01 | 2008-08-07 | Basf Se | Pesticidal mixtures |
| CN102657186A (en) * | 2012-04-24 | 2012-09-12 | 杭州宇龙化工有限公司 | Bactericidal composition containing thifluzamide and prothioconazole |
| CN103563913A (en) * | 2012-08-04 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing thifluzamide and prothioconazole and application thereof |
-
2013
- 2013-11-15 CN CN201310572248.0A patent/CN104621149A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008092818A2 (en) * | 2007-02-01 | 2008-08-07 | Basf Se | Pesticidal mixtures |
| CN102657186A (en) * | 2012-04-24 | 2012-09-12 | 杭州宇龙化工有限公司 | Bactericidal composition containing thifluzamide and prothioconazole |
| CN103563913A (en) * | 2012-08-04 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing thifluzamide and prothioconazole and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115152780A (en) * | 2022-06-27 | 2022-10-11 | 江西省农业科学院植物保护研究所 | Medicament for preventing and treating spike blight of plantain and preparation method thereof |
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