CN104642376A - Bactericidal composition containing prothioconazole and flusilazole and application thereof - Google Patents
Bactericidal composition containing prothioconazole and flusilazole and application thereof Download PDFInfo
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- CN104642376A CN104642376A CN201310576226.1A CN201310576226A CN104642376A CN 104642376 A CN104642376 A CN 104642376A CN 201310576226 A CN201310576226 A CN 201310576226A CN 104642376 A CN104642376 A CN 104642376A
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- prothioconazoles
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Abstract
The invention discloses a bactericidal composition containing prothioconazole and flusilazole and application thereof. The bactericidal composition uses prothioconazole and flusilazole as the main effective components. The insecticidal composition can be applied to control of diseases of cereal, fruit tree and vegetables, has high synergetic effects and overcomes and delays pathogen resistance; the bactericidal composition has the advantages of high insecticidal speed, long effective period, reduced application cost and control effect obvious better than that of single dose usage. The insecticidal composition can be used for control of fungal diseases on crops, in particular for control of powdery mildew, sheath blight, wilt, leaf spot, rust, stalk break, net blotch, scald, botrytis, black spot, brown blotch, black shank and smut, and has better effect than single dose usage.
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 Flusilazole.
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:
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.
Flusilazole (Flusilazole), molecular formula: C
16h
15f
2n
3si.Chemical name: two (4-fluorophenyl) methyl (1H-1,2,4-
Flusilazole is the siliceous Novel triazole bactericide of du pont company's exploitation, it is sterol demethylation inhibitors, this systemic fungicide is for effective for Ascomycetes, Basidiomycetes and Fungi Imperfecti, invalid to oomycetes, recommend the various pathogens for preventing and treating in apple scab, Powdery Mildew, the white powder black chamber bacterium of Cereal, Septoria bacterium, grape snag shell bacterium, the various crop such as grape Guignardia and beet.
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 Flusilazole 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 causes fungal disease medicine application as preparation control plant epiphyte, especially 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 and smut medicine as preparation.
The object of the invention is to be realized by following measures:
Contain a bactericidal composition for prothioconazoles and Flusilazole, wherein prothioconazoles and Flusilazole weight ratio are 1 ~ 70:1 ~ 50, are preferably 1 ~ 35:1 ~ 25, more preferably 1 ~ 10:1 ~ 20, most preferably are 1:2 ~ 6.
In the compositions of the present invention, the percentage by weight that both prothioconazoles and Flusilazole account for composition is 2 ~ 80%, preferably 10 ~ 40%.
Described bactericidal composition, wherein prothioconazoles and Flusilazole 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 Flusilazole is as the application of preparation control resistance plant fungal disease medicine.
The described bactericidal composition containing prothioconazoles and Flusilazole 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 and smut medicine as preparation.
Beneficial effect of the present invention:
Bactericidal composition of the present invention, as the application of preparation control resistance plant fungi-medicine, especially all has significant effect as preparing 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 and smut medicine.Above-mentioned bactericidal composition 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 and smut 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, Flusilazole 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, Flusilazole 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, Flusilazole 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 Flusilazole, 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-Flusilazole aqueous emulsion.
Embodiment 5:
Take 2g prothioconazoles, 30g Flusilazole, 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-oxazole fluosilicate micro emulsion.
Embodiment 6:
Take 1g prothioconazoles, 5g Flusilazole, 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-Flusilazole aqueous emulsion.
Embodiment 7:
Take 50g prothioconazoles, 20g Flusilazole, 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-Flusilazole.
Embodiment 8:
Take 2g prothioconazoles, 40g Flusilazole, 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-Flusilazole.
Embodiment 9:
Take 5g prothioconazoles, 20g Flusilazole, 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-oxazole fluosilicate micro emulsion.
Embodiment 10:
Take 5g prothioconazoles, 0.5g Flusilazole, 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-Flusilazole.
Embodiment 11:
Take 5g prothioconazoles, 30g Flusilazole, 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-Flusilazole.
Embodiment 12:
Take 10g prothioconazoles, 10g Flusilazole, 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-Flusilazole suspending agent.
Embodiment 13:
Take 30g prothioconazoles, 12g Flusilazole, 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-Flusilazole suspending agent.
Embodiment 14:
Take 2g prothioconazoles, 5g Flusilazole, 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-Flusilazole 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 Flusilazole, 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-Flusilazole 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 Flusilazole, 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-Flusilazole 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+Flusilazole different ratio is to the indoor biometrics result of cotton wilt germ (Fusarium oxysporumSchl.sp.vasinfectum (Atk.) Snyder et Hansen)
| Medicament | Virulence regression equation | EC50（mg/L） | Co-toxicity coefficient |
| Prothioconazoles (A) | Y=1.74X+6.48 | 0.142 | - |
| Flusilazole (B) | Y=2.17X+4.16 | 2.445 | - |
| A:B=1:2 | Y=1.88X+3.92 | 3.746 | 175.41 |
| A:B=1:4 | Y=2.71X+2.80 | 6.495 | 152.72 |
| A:B=1:6 | Y=1.57X+3.67 | 7.036 | 180.40 |
Prothioconazoles (A) and Flusilazole (B) is adopted to test the indoor biometrics of cotton wilt germ 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, and dosing is active ingredient prothioconazoles (A) and active ingredient Flusilazole (B) quality sum.Contrast medicament is 40% Flusilazole EC 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 Flusilazole, it is characterized in that: described prothioconazoles and the weight ratio of Flusilazole are 1 ~ 70:1 ~ 50.
2. the bactericidal composition containing prothioconazoles and Flusilazole according to claim 1, is characterized in that: described prothioconazoles and the weight ratio of Flusilazole are 1 ~ 35:1 ~ 25.
3. the bactericidal composition containing prothioconazoles and Flusilazole according to claim 2, is characterized in that: described prothioconazoles and the weight ratio of Flusilazole are 1 ~ 10:1 ~ 20.
4. the bactericidal composition containing prothioconazoles and Flusilazole according to claim 3, is characterized in that: described prothioconazoles and the weight ratio of Flusilazole are 1:2 ~ 6.
5. the bactericidal composition containing prothioconazoles and Flusilazole according to claim 1, is characterized in that: the weight percentage that both described prothioconazoles and Flusilazole account for composition is 5.5 ~ 80%.
6. the bactericidal composition containing prothioconazoles and Flusilazole according to claim 5, is characterized in that: the weight percentage that both described prothioconazoles and Flusilazole account for composition is 10 ~ 40%.
7. the bactericidal composition containing prothioconazoles and Flusilazole 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 Flusilazole.
8. the bactericidal composition containing prothioconazoles and Flusilazole 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 Flusilazole according to claim 1.
10. the bactericidal composition containing prothioconazoles and Flusilazole 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 and smut medicine as preparation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107027803A (en) * | 2017-06-19 | 2017-08-11 | 福建省农业科学院植物保护研究所 | Microbicide compositions and its application containing Flusilazole and olefin conversion |
| CN107087592A (en) * | 2017-04-12 | 2017-08-25 | 江苏金凤凰农化有限公司 | A kind of composition and application process that maize sheath blight is treated based on guaiacol |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005104847A1 (en) * | 2004-04-30 | 2005-11-10 | Basf Aktiengesellschaft | Fungicidal mixtures |
| CN102258049A (en) * | 2011-08-26 | 2011-11-30 | 陕西美邦农药有限公司 | Pesticidal composition containing prothioconazole and triazole |
-
2013
- 2013-11-15 CN CN201310576226.1A patent/CN104642376A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005104847A1 (en) * | 2004-04-30 | 2005-11-10 | Basf Aktiengesellschaft | Fungicidal mixtures |
| CN102258049A (en) * | 2011-08-26 | 2011-11-30 | 陕西美邦农药有限公司 | Pesticidal composition containing prothioconazole and triazole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087592A (en) * | 2017-04-12 | 2017-08-25 | 江苏金凤凰农化有限公司 | A kind of composition and application process that maize sheath blight is treated based on guaiacol |
| CN107027803A (en) * | 2017-06-19 | 2017-08-11 | 福建省农业科学院植物保护研究所 | Microbicide compositions and its application containing Flusilazole and olefin conversion |
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Application publication date: 20150527 |