CN104621127A - Sterilization composition containing prothioconazole and fenoxanil and application thereof - Google Patents
Sterilization composition containing prothioconazole and fenoxanil and application thereof Download PDFInfo
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- CN104621127A CN104621127A CN201310571994.8A CN201310571994A CN104621127A CN 104621127 A CN104621127 A CN 104621127A CN 201310571994 A CN201310571994 A CN 201310571994A CN 104621127 A CN104621127 A CN 104621127A
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- fenoxanil
- prothioconazoles
- bactericidal composition
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Abstract
The invention discloses a sterilization composition containing prothioconazole and fenoxanil and an application thereof. The sterilization composition takes prothioconazole and fenoxanil 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 and smut, 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 fenoxanil.
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: C14H15Cl2N3OS.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.
Fenoxanil (Fenoxanil), chemical name: N-(1-itrile group-1,2-dimethyl propyl)-2-(2,4-dichlorophenoxy) propionamide.Structural formula:
Fenoxanil is a novel systemic fungicide for preventing and treating rice blast, has novel mechanism of action, belongs to melanin biosynthesis inhibitor (MBI), prevent and treat rice blast excellent under water, and holding effect is remarkable on blade face with when using.
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 fenoxanil 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 rice blast medicine as preparation.
The object of the invention is to be realized by following measures:
Contain a bactericidal composition for prothioconazoles and fenoxanil, wherein prothioconazoles and fenoxanil weight ratio are 1 ~ 70:1 ~ 50, are preferably 1 ~ 35:1 ~ 25, more preferably 1 ~ 10:1 ~ 20, most preferably are 1:9 ~ 15.
The percentage by weight that both described prothioconazoles and fenoxanil account for composition is 2 ~ 80%, preferably 10 ~ 40%.
Described bactericidal composition, wherein prothioconazoles and fenoxanil and known auxiliary agent and excipient are re-dubbed any one 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 ether 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, 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 fenoxanil is as the application of preparation control resistance plant fungal disease medicine.
The described bactericidal composition containing prothioconazoles and fenoxanil 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 rice blast 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 rice blast 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 rice blast 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 1g, fenoxanil 9g, 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 10% wetting powder.
Embodiment 2:
By prothioconazoles 1g, fenoxanil 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 13% wetting powder.Embodiment 3:
By prothioconazoles 1g, fenoxanil 15g, 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 16% wetting powder.Embodiment 4:
Take 5g prothioconazoles, 50g fenoxanil, 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-fenoxanil aqueous emulsion.
Embodiment 5:
Take 2g prothioconazoles, 30g fenoxanil, 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-fenoxanil microemulsion.
Embodiment 6:
Take 1g prothioconazoles, 11g fenoxanil, 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 12% prothioconazoles-fenoxanil aqueous emulsion.
Embodiment 7:
Take 50g prothioconazoles, 20g fenoxanil, 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-fenoxanil missible oil.
Embodiment 8:
Take 2g prothioconazoles, 40g fenoxanil, 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-fenoxanil missible oil.
Embodiment 9:
Take 5g prothioconazoles, 20g fenoxanil, 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-fenoxanil microemulsion.
Embodiment 10:
Take 0.5g prothioconazoles, 5g fenoxanil, 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-fenoxanil missible oil.
Embodiment 11:
Take 5g prothioconazoles, 30g fenoxanil, 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-fenoxanil missible oil.
Embodiment 12:
Take 10g prothioconazoles, 10g fenoxanil, 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-fenoxanil suspending agent.
Embodiment 13:
Take 30g prothioconazoles, 12g fenoxanil, 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-fenoxanil suspending agent.
Embodiment 14:
Take 2g prothioconazoles, 5g fenoxanil, 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-fenoxanil 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 fenoxanil, 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-fenoxanil 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 fenoxanil, 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-fenoxanil suspending agent.
Indoor biometrics is tested:
In indoor employing mycelial growth rate method, measure different agents to the EC50 value of bacterial strain, 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 (usually selecting EC50 junior), calculate:
Single dose toxicity index=standard agent EC50/ single dose EC50 × 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
EC50 value × 100 of the EC50 value/mixture of actual measurement toxicity index=standard single dose
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+fenoxanil different ratio is to the indoor biometrics result of rice blast fungus (Pyricularia grisea (Cooke) Sacc.)
| Medicament | Virulence regression equation | EC50（mg/L） | Co-toxicity coefficient |
| Prothioconazoles (A) | Y=1.46X+4.11 | 4.102 | - |
| Fenoxanil (B) | Y=1.24X+4.13 | 5.003 | - |
| A：B=1：9 | Y=2.11X+3.85 | 3.503 | 162.31 |
| A：B=1：12 | Y=1.63X+3.96 | 4.321 | 135.28 |
| A：B=1：15 | Y=2.37X+3.55 | 4.105 | 144.13 |
Prothioconazoles (A) and fenoxanil (B) is adopted to test the indoor biometrics of rice blast fungus with different ratio in table 1, as shown in Table 1, composition co-toxicity coefficient of the present invention is all greater than 120, 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 fenoxanil (B) quality with.Contrast medicament is agricultural chemicals single dose 20% fenoxanil WP 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 fenoxanil, it is characterized in that: described prothioconazoles and the weight ratio of fenoxanil are 1 ~ 70:1 ~ 50.
2. the bactericidal composition containing prothioconazoles and fenoxanil according to claim 1, is characterized in that: described prothioconazoles and the weight ratio of fenoxanil are 1 ~ 35:1 ~ 25.
3. the bactericidal composition containing prothioconazoles and fenoxanil according to claim 2, is characterized in that: described prothioconazoles and the weight ratio of fenoxanil are 1 ~ 10:1 ~ 20.
4. the bactericidal composition containing prothioconazoles and fenoxanil according to claim 3, is characterized in that: described prothioconazoles and the weight ratio of fenoxanil are 1:9 ~ 15.
5. the bactericidal composition containing prothioconazoles and fenoxanil according to claim 1, is characterized in that: the weight percentage that both described prothioconazoles and fenoxanil account for composition is 5.5 ~ 80%.
6. the bactericidal composition containing prothioconazoles and fenoxanil according to claim 5, is characterized in that: the weight percentage that both described prothioconazoles and fenoxanil account for composition is 10 ~ 40%.
7. the bactericidal composition containing prothioconazoles and fenoxanil according to claim 1, is characterized in that: described bactericidal composition with prothioconazoles and fenoxanil for principle active component and insecticides adjuvant, excipients are mixed with the formulation that agricultural chemicals allows.
8. the bactericidal composition containing prothioconazoles and fenoxanil 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 fenoxanil according to claim 1.
10. the bactericidal composition containing prothioconazoles and fenoxanil 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 rice blast medicine as preparation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310571994.8A CN104621127A (en) | 2013-11-15 | 2013-11-15 | Sterilization composition containing prothioconazole and fenoxanil and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960249A (en) * | 2014-04-08 | 2014-08-06 | 广东中迅农科股份有限公司 | Pesticide composition containing prothioconazole and fenoxanil |
| CN105123705A (en) * | 2015-08-25 | 2015-12-09 | 天峨县平昌生态农业有限公司 | Bactericidal composition containing prothioconazole and fenoxanil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642423A (en) * | 2002-03-21 | 2005-07-20 | 巴斯福股份公司 | Fungicidal mixtures |
| EP2465350A1 (en) * | 2010-12-15 | 2012-06-20 | Basf Se | Pesticidal mixtures |
| CN103563909A (en) * | 2013-10-23 | 2014-02-12 | 江苏丰登农药有限公司 | Bactericidal composition containing prothioconazole and fenoxanil and application of bactericidal composition |
-
2013
- 2013-11-15 CN CN201310571994.8A patent/CN104621127A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642423A (en) * | 2002-03-21 | 2005-07-20 | 巴斯福股份公司 | Fungicidal mixtures |
| EP2465350A1 (en) * | 2010-12-15 | 2012-06-20 | Basf Se | Pesticidal mixtures |
| CN103563909A (en) * | 2013-10-23 | 2014-02-12 | 江苏丰登农药有限公司 | Bactericidal composition containing prothioconazole and fenoxanil and application of bactericidal composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960249A (en) * | 2014-04-08 | 2014-08-06 | 广东中迅农科股份有限公司 | Pesticide composition containing prothioconazole and fenoxanil |
| CN105123705A (en) * | 2015-08-25 | 2015-12-09 | 天峨县平昌生态农业有限公司 | Bactericidal composition containing prothioconazole and fenoxanil |
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