CN104621153B - A kind of bactericidal composition containing prothioconazoles and Propamocarb and application thereof - Google Patents
A kind of bactericidal composition containing prothioconazoles and Propamocarb and application thereof Download PDFInfo
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- CN104621153B CN104621153B CN201310571574.XA CN201310571574A CN104621153B CN 104621153 B CN104621153 B CN 104621153B CN 201310571574 A CN201310571574 A CN 201310571574A CN 104621153 B CN104621153 B CN 104621153B
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Abstract
The invention discloses a kind of bactericidal composition containing prothioconazoles and Propamocarb and application thereof.This bactericidal composition is with prothioconazoles and Propamocarb for principle active component.This bactericidal composition can be applicable to preventing and treating Cereal, fruit tree, vegetable disease, has higher synergistic function, overcomes and delayed the Drug resistance of pathogenic bacteria, and sterilization speed is fast, lasting period length, reduce application cost, and prevention effect is substantially better than its single dose and uses.The present invention may be used for the fungal disease on preventing and treating crops, being particularly useful for preventing and treating powdery mildew, banded sclerotial blight, droop, leaf spot, rust, sclerotiniose, net blotch, moire disease, gray mold, melasma, brown spot, balck shank, downy mildew, damping off, epidemic disease and late blight, effect is better than single dose and uses.
Description
Technical field:
The present invention relates to a kind of bactericidal composition and application thereof, especially a kind of with prothioconazoles and Propamocarb be main active bactericidal composition and application.
Background technology:
Prothioconazoles (Prothioconazole), it 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 to suppress the demethylation effect on the precursor lanosterol of sterol in fungus 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 substantial amounts of field control effectiveness test, result shows that crop is not only had good safety by prothioconazoles, and preventing disease theraping effect is good, and increases production substantially, compares with triazole type biocide agent, and prothioconazoles has broader spectrum of bactericidal activity.It is mainly used in numerous diseases such as preventing and treating cereal crop such as Semen Tritici aestivi, Fructus Hordei Vulgaris, Brassica campestris L, Semen arachidis hypogaeae, Oryza sativa L. and legume crop.Almost all wheat and barley diseases there is good prevention effect, such as Semen Tritici aestivi and the powdery mildew of Fructus Hordei Vulgaris, banded sclerotial blight, droop, leaf spot, rust, sclerotiniose, net blotch, moire disease etc..Oil Lay and the soil-borne disease of Semen arachidis hypogaeae can also be prevented and treated, such as sclerotiniose, and main foliage disease, such as gray mold, melasma, brown spot, balck shank, sclerotiniose and rust etc..
Propamocarb (Propamocarb), chemical name: N-[3-(dimethylaminopropyl) amino] propyl formate.Structural formula:
Propamocarb is one carbamate fungicide safely and efficiently, the biosynthesis of the main phospholipid suppressing pathogenic bacteria cell membrane component and fatty acid, it is suppressed that mycelial growth, sporangial formation and sprouting.Propamocarb belongs to Uptake and translocation antibacterial, when as soil treatment, and can quickly by root absorption and be conveyed upwards into whole plant；When acting on stem and leaf and processing; quickly can be absorbed by blade and be distributed in blade, can play a protective role in 30 minutes, because its mechanism of action is different from other antibacterial; with other medicament no interactions resistances, especially prevent and treat using the pathogenic bacteria that developed immunity to drugs of antibacterial effective.Oomycete fungal there is is specially good effect, can effectively prevent and treat the seed of various crop, the disease such as disease such as downy mildew, damping off, epidemic disease, late blight, balck shank that seedling, root, leaves and stems Oomycete cause.
The industrial crops cultivated areas such as the difficulty of prevention and cure of current phytopathogen is increasing, on the one hand, along with the change of pattern of farming, melon fruits and vegetables progressively expand, and disease occurrence degree, occur quantity all to increase, and in preventing and treating, difficulty strengthens；On the other hand, the resistance of pathogen rises year by year under lasting medicament selection pressure, and the prevention effect of single dose is had a greatly reduced quality, and control of plant disease is faced with significant challenge.
Summary of the invention:
It is an object of the invention to provide a kind of applied widely, plant bactericidal composition containing prothioconazoles Yu Propamocarb that cost is low, effective for above-mentioned technical problem.
It is a still further object of the present invention to provide this bactericidal composition and cause the application on fungal disease at preventing and treating plant epiphyte, particularly in the application prevented and treated in powdery mildew, banded sclerotial blight, droop, leaf spot, rust, sclerotiniose, net blotch, moire disease, gray mold, melasma, brown spot, balck shank, downy mildew, damping off, epidemic disease and late blight.
It is an object of the invention to be realized by following measures:
A kind of bactericidal composition, it contains prothioconazoles and Propamocarb, and wherein prothioconazoles and Propamocarb weight ratio are 1～70:1～50, it is preferred to 1～35:1～25, more preferably 1～10:1～20, it is most preferred that for 1:2～6.
In the compositions of the present invention, the percentage by weight accounting for compositions both prothioconazoles and Propamocarb is 2～80%, it is preferable that 10～40%.
Described bactericidal composition, the dosage form that wherein prothioconazoles and Propamocarb and known auxiliary agent and excipient are re-dubbed on pesticide to allow.These known auxiliary agents have dispersant, diffusant, defoamer, wetting agent, disintegrating agent 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, polyoxyethylene polyoxy propylene block compound, castor oil polyoxyethylene ether, NPE, TWEEN Series, fatty alcohol-polyoxyethylene ether, Polyethylene Glycol series, Sulfonates, carboxylate, sulfate, phosphate, phosphite, lignosulfonates, xanthan gum, phenol formaldehyde condensate, ammonium salt, one or more combinations in quaternary etc., excipient includes Ketohexamethylene, dimethylbenzene, various solvent naphthas, water, antifreezing agent (such as propylene glycol), deionized water etc..Above auxiliary agent, excipient and other adjuvant can be alone or and use.
Described dosage form is cream, suspending agent, aqueous emulsion, wettable powder, microemulsion or water dispersion granule.
Described a kind of bactericidal composition containing prothioconazoles and Propamocarb has the application in preventing and treating resistance plant fungal disease medicine in preparation.
The described compound biocide composite containing prothioconazoles and Propamocarb has, in preparation, the application prevented and treated on powdery mildew, banded sclerotial blight, droop, leaf spot, rust, sclerotiniose, net blotch, moire disease, gray mold, melasma, brown spot, balck shank, downy mildew, damping off, epidemic disease and late blight medicine.
Beneficial effects of the present invention:
The bactericidal composition of the present invention application on preparation preventing and treating resistance plant fungus, has significant effect particularly in preventing and treating powdery mildew, banded sclerotial blight, droop, leaf spot, rust, sclerotiniose, net blotch, moire disease, gray mold, melasma, brown spot, balck shank, downy mildew, damping off, epidemic disease and late blight.Bactericidal composition of the present invention can produce higher synergistic function, and the consumption of the independent reactive compound of amount ratio of this mixture is substantially reduced, and namely the activity of mixture is more than the activity of independent component.
Compared with prior art beneficial effects of the present invention: (1) is compared with single dose, bactericidal composition antagonism fungal disease such as powdery mildew, banded sclerotial blight, droop, leaf spot, rust, sclerotiniose, net blotch, moire disease, gray mold, melasma, brown spot, balck shank, downy mildew, damping off, epidemic disease and late blight of the present invention have obvious synergistic function, overcome and delayed Drug resistance, expanding prevention is composed, hence it is evident that improve prevention effect；(2) preventing and treating recruitment, drug cost are reduced；(3) alternative routine and the pesticide being easily generated resistance；(4) compared with single dose, produce and use cost reduces；(5) suppressing the drug-fast generation of fungus, its effect uses apparently higher than its single dose.
Detailed description of the invention:
Below in conjunction with embodiment, the invention will be further described, and in embodiment, the preparation method of dosage form is conventional method, and " % " of the present invention is mass percent.
Two kinds of reactive compounds can be processed into any one dosage form of permission, with specific embodiment, the preparation that two kinds of effective ingredient are processed into is described below, but the preparation that these two kinds of active component can be processed is not limited only to set forth below.
Embodiment 1:
By prothioconazoles 5g, Propamocarb 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 comminution by gas stream, and preparing effective ingredient weight percentage is 15% wettable powder.
Embodiment 2:
By prothioconazoles 3g, Propamocarb 12g, sodium lauryl sulphate 3g, dispersing agent NNO 4g, white carbon 5g, Kaolin adds to 100g mixture and carries out comminution by gas stream, and preparing effective ingredient weight percentage is 15% wettable powder.Embodiment 3:
By prothioconazoles 2g, Propamocarb 12g, sodium lauryl sulphate 3g, dispersing agent NNO 4g, white carbon 5g, Kaolin adds to 100g mixture and carries out comminution by gas stream, and preparing effective ingredient weight percentage is 14% wettable powder.Embodiment 4:
Weigh 5g prothioconazoles, 50g Propamocarb, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, solvent naphtha 13g, add water to 100g.The method that above raw material is prepared aqueous emulsion routinely puts into the mixing of mixing kettle high speed, and making effective Ingredients Weight percentage composition is 55% prothioconazoles-Propamocarb aqueous emulsion.
Embodiment 5:
Weigh 2g prothioconazoles, 30g Propamocarb, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropanol 10g, add water to 100g.The method that above raw material is prepared microemulsion routinely puts into mixing in mixing kettle, and making effective Ingredients Weight percentage composition is 32% prothioconazoles-Propamocarb microemulsion.
Embodiment 6:
Weigh 1g prothioconazoles, 5g Propamocarb, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, solvent naphtha 13g, add water to 100g.The method that above raw material is prepared aqueous emulsion routinely puts into the mixing of mixing kettle high speed, and making effective Ingredients Weight percentage composition is 6% prothioconazoles-Propamocarb aqueous emulsion.
Embodiment 7:
Weighing 50g prothioconazoles, 20g Propamocarb, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, castor oil polyoxyethylene ether 2g, solvent naphtha are to 100g.The method that above raw material is prepared cream routinely puts into mixing in mixing kettle, and making effective Ingredients Weight percentage composition is 70% prothioconazoles-Propamocarb cream.
Embodiment 8:
Weighing 2g prothioconazoles, 40g Propamocarb, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, solvent naphtha are to 100g.The method that above raw material is prepared cream routinely puts into mixing in mixing kettle, and making effective Ingredients Weight percentage composition is 42% prothioconazoles-Propamocarb cream.
Embodiment 9:
Weigh 5g prothioconazoles, 20g Propamocarb, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropanol 10g, add water to 100g.The method that above raw material is prepared microemulsion routinely puts into mixing in mixing kettle, and making effective Ingredients Weight percentage composition is 25% prothioconazoles-Propamocarb microemulsion.
Embodiment 10:
Weighing 5g prothioconazoles, 0.5g Propamocarb, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, solvent naphtha are to 100g.The method that above raw material is prepared cream routinely puts into mixing in mixing kettle, and making effective Ingredients Weight percentage composition is 5.5% prothioconazoles-Propamocarb cream.
Embodiment 11:
Weighing 5g prothioconazoles, 30g Propamocarb, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, solvent naphtha are to 100g.The method that above raw material is prepared cream routinely puts into mixing in mixing kettle, and making effective Ingredients Weight percentage composition is 35% prothioconazoles-Propamocarb cream.
Embodiment 12:
Weigh 10g prothioconazoles, 10g Propamocarb, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthan gum 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complementing to 100g with water, making effective Ingredients Weight percentage composition under the effect of sand mill is 20% prothioconazoles-Propamocarb suspending agent.
Embodiment 13:
Weigh 30g prothioconazoles, 12g Propamocarb, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthan gum 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complementing to 100g with water, making effective Ingredients Weight percentage composition under the effect of sand mill is 42% prothioconazoles-Propamocarb suspending agent.
Embodiment 14:
Weigh 2g prothioconazoles, 5g Propamocarb, sodium lignin sulfonate 8g, sodium lauryl sulphate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, Borax 2g, white carbon 3g, kieselguhr complement to 100g, and by water dispersible granular agent method, above raw material is formed with effect Ingredients Weight percentage composition is 7% prothioconazoles-Propamocarb water dispersion granule.
Embodiment 15:
Weigh 4g prothioconazoles, 13g Propamocarb, sodium lignin sulfonate 8g, sodium lauryl sulphate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, Borax 2g, kieselguhr 28g complements to 100g, and by water dispersible granular agent method, above raw material is formed with effect Ingredients Weight percentage composition is 17% prothioconazoles-Propamocarb water dispersion granule.
Embodiment 16:
Weigh 5g prothioconazoles, 15g Propamocarb, lignin 2g, polyoxyethylene poly-oxygen propylene aether 4g, xanthan gum 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, complementing to 100g with water, making effective Ingredients Weight percentage composition under the effect of sand mill is 20% prothioconazoles-Propamocarb suspending agent.
Indoor biometrics is tested:
In indoor employing mycelial growth rate method, measure the different agents EC to bacterial strain50Value, adopts co-toxicity coefficient computational methods, calculates the co-toxicity coefficient (CTC) of mixture, it is determined that mixture building performance, and circular is as follows:
In mixture, a certain single dose (is generally selected EC for standard agent50Junior), it is calculated:
Single dose toxicity index=standard agent EC50/ certain single dose EC50×100
Toxicity index × A single dose the toxicity index of proportion+B single dose × B single dose proportion in mixture in mixture of theoretical toxicity index=A single dose
The EC of actual measurement toxicity index=standard single dose50The EC of value/mixture50Value × 100
Co-toxicity coefficient=actual measurement toxicity index/theory toxicity index × 100
When co-toxicity coefficient classification: CTC is more than 120, mixture has synergetic, is antagonism when CTC is less than 80, and CTC is summation action between 80-120.
Table 1: the prothioconazoles+Propamocarb different ratio indoor biometrics result to Rhizoctonia solani Kuhn (Thanatephoruscucumeris (Frank) Donk)
| Medicament | Virulence regression equation | EC50(mg/L) | Co-toxicity coefficient |
| Prothioconazoles (A) | Y=2.30X+4.15 | 2.336 | - |
| Propamocarb (B) | Y=1.56X+4.02 | 4.258 | - |
| A:B=1:2 | Y=1.37X+4.18 | 3.988 | 152.72 |
| A:B=1:4 | Y=2.53X+3.32 | 4.608 | 144.63 |
| A:B=1:6 | Y=1.11X+4.32 | 4.128 | 168.25 |
Table 1 adopt prothioconazoles (A) and Propamocarb (B) with different ratio, the indoor biometrics of Rhizoctonia solani Kuhn is tested, as shown in Table 1, the compositions co-toxicity coefficient of the present invention is all higher 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 processes: the difference of each composition of this experimental evidence sets three dosings respectively, dosing be effective ingredient prothioconazoles (A) and effective ingredient Propamocarb (B) quality with.Comparison medicament is pesticide single dose 72.2% Propamocarb AS and 5% prothioconazoles ME and blank clean water experiment respectively.
2. test method: each plot area is 66.7m2, repeat 3 times；Investigation drug effect method after investigating before dispenser and preventing and treating is: randomization 5 point in test treatment region, carries out severity Scaling according to country's field test relevant criterion, calculates preventive effect.Result of the test is shown in following table:
Table 2 field control effectiveness test result
, the present composition has obvious synergistic function by field efficacy it is shown that as shown in Table 2, and the prevention effect of compositions is excellent, and prevention effect is all better than single dose kind, has using value in agricultural is applied.
Claims (7)
1. the bactericidal composition containing prothioconazoles and Propamocarb, it is characterised in that: the weight ratio of described prothioconazoles and Propamocarb is 1:2 ~ 6.
2. the bactericidal composition containing prothioconazoles and Propamocarb according to claim 1, it is characterized in that both prothioconazoles and Propamocarb account for the weight percentage of compositions is 5.5 ~ 80%.
3. the bactericidal composition containing prothioconazoles and Propamocarb according to claim 2, it is characterized in that both prothioconazoles and Propamocarb account for the weight percentage of compositions is 10 ~ 40%.
4. the bactericidal composition containing prothioconazoles and Propamocarb according to claim 1, is characterized in that described bactericidal composition is the dosage form being configured on pesticide with prothioconazoles and Propamocarb for principle active component and insecticides adjuvant, excipient to allow.
5. the bactericidal composition containing prothioconazoles and Propamocarb according to claim 4, is characterized in that described dosage form is cream, suspending agent, aqueous emulsion, wettable powder, microemulsion or water dispersion granule.
6. the bactericidal composition containing prothioconazoles and Propamocarb described in claim 1 is as the application of preparation preventing and treating resistance plant fungal disease medicine.
7. the bactericidal composition containing prothioconazoles and Propamocarb described in claim 1 prevents and treats the application of powdery mildew, banded sclerotial blight, droop, leaf spot, rust, sclerotiniose, net blotch, moire disease, gray mold, melasma, brown spot, balck shank, downy mildew, damping off, epidemic disease and late blight medicine as preparation.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102258033A (en) * | 2011-08-19 | 2011-11-30 | 陕西美邦农药有限公司 | Novel pesticidal composition containing prothioconazole and triazole |
| CN102640748A (en) * | 2012-04-12 | 2012-08-22 | 广西田园生化股份有限公司 | Ultra-low-volume liquid containing prothioconazole |
| CN102669114A (en) * | 2012-04-23 | 2012-09-19 | 广东中迅农科股份有限公司 | Pesticide combination containing prothioconazole and hymexazol |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102258033A (en) * | 2011-08-19 | 2011-11-30 | 陕西美邦农药有限公司 | Novel pesticidal composition containing prothioconazole and triazole |
| CN102640748A (en) * | 2012-04-12 | 2012-08-22 | 广西田园生化股份有限公司 | Ultra-low-volume liquid containing prothioconazole |
| CN102669114A (en) * | 2012-04-23 | 2012-09-19 | 广东中迅农科股份有限公司 | Pesticide combination containing prothioconazole and hymexazol |
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| "小麦霜霉病发生与防治";张亚枫;《山西科技报》;20050322;第2005年3月22日第3版 * |
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