CN104604867A - Sterilization composition containing fluazinam and kresoxim methyl as well as application thereof - Google Patents
Sterilization composition containing fluazinam and kresoxim methyl as well as application thereof Download PDFInfo
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- CN104604867A CN104604867A CN201310542293.1A CN201310542293A CN104604867A CN 104604867 A CN104604867 A CN 104604867A CN 201310542293 A CN201310542293 A CN 201310542293A CN 104604867 A CN104604867 A CN 104604867A
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- Prior art keywords
- fluazinam
- kresoxim
- methyl
- bactericidal composition
- composition according
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- ZOTBXTZVPHCKPN-HTXNQAPBSA-N Cc(cccc1)c1OCc1ccccc1/C(/C(OC)=O)=N\OC Chemical compound Cc(cccc1)c1OCc1ccccc1/C(/C(OC)=O)=N\OC ZOTBXTZVPHCKPN-HTXNQAPBSA-N 0.000 description 1
Abstract
The invention discloses a sterilization composition containing fluazinam and kresoxim methyl as well as an application thereof, which belong to the technical field of pesticide. The sterilization composition takes fluazinam and kresoxim methyl as main effective components, wherein weight ratio of fluazinam to kresoxim methyl is 1-70: 1-50. The sterilization composition can be used for preventing and controlling fungous diseases of cereal, fruit or vegetable crops, especially can be used for preparing the sterilization medicines for preventing and treating powdery mildew, anthracnose, scab, penicilliosis, epidemic disease, leaf blight, rust, downy mildew, sphaceloma arachidis, brown spot, fusarium patch and botrytis. The composition has high cooperative synergism effect, can overcome and delay the resistance of pathogen as well as enlarge a controlling spectrum, the sterilization speed is fast, persistent period is long, application cost is reduced, and the controlling effect of the composition is obviously better than that of a single dose.
Description
Technical field
The invention belongs to technical field of 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 fluazinam and kresoxim-methyl.
Background technology
Fluazinam (Fluazinam), sterling is yellow crystalline powder, fusing point 115-117 DEG C, vapour pressure 1.5mpa (25 DEG C).Density 0.366g/mL (25 DEG C).Solvability 1.7mg/L (pH7,20 DEG C) in water, solvability (g/L, 20 DEG C) in organic solvent: toluene 410, carrene 330, ether 320, ethanol 150, n-hexane 12.Heat, acid, alkali are stablized.Photodissociation DT in the aqueous solution
50: 2.5d.Hydrolysis DT
50: 42d (pH7), 6d (pH9) are stable during pH5.Molecular formula: C
13h
4cl
2f
6n
4o
4, structural formula:
Rat acute per os LD
50>5000mg/kg.Rat acute is through skin LD
50>2000mg/kg.Rat acute sucks LC
50(4h) 0.463mg/L.Irritant to lagophthalmos eyeball, there is minimal irritation to rabbit skin.Bobwhite acute oral LD
50=1782mg/kg, wild duck acute oral LD
50=4190mg/kg.Rainbow squama fish LC
50=(96h) 0.036mg/L.Water flea LC
50=(48h) 0.22mg/L.Honeybee LD
50only (per os), >200mg/ only (contact) for >100mg/.Earthworm LC
50(28d) >1000mg/kg soil is pushed up.
Fluazinam is mitochondrial oxidation phosphorylated uncoupler.The course of infection in all stages is resisted by resisting spore germination, mycelia breakthrough, growth and sporulation.The fungicidal spectrum of fluazinam is very wide, and its effect is better than conventional protecting bactericide.Be mainly used in grape, apple, pears, oranges and tangerines, wheat, soybean, potato, tomato, cucumber, paddy rice, tea, lawn etc.Good control efficiency is had to phytophthora root rot, rotten stalk break, black spot, scab and other pathogene disease.Except bactericidal activity, fluazinam also demonstrates the acaricidal activity to two spotted spider mite etc.Concrete disease as gray mold of cucumber, rot, downy mildew, charcoal seasonal febrile diseases, powdery mildew, stem's rot, tomato late blight, apple scab, leaf spot, Pear black spot, rust, rice blast, banded sclerotial blight, crown hull sugar, grape grey mould, downy mildew, citrus scab, gray mold, potato late blight, lawn spot disease.Concrete mite class is as citrus red mite, China pink rust mite, kamisawa tetranychus etc.
Kresoxim-methyl (kresoxim-methyl), former medicine is white powder crystalline solid, fusing point: 87.2-101.7 DEG C, and density is 1.258kg/L (20 DEG C), solvability 2g/L (20 DEG C).Chemical name: (E)-2-methoxyimino-[2-(o-methyl-benzene oxygen ylmethyl) phenyl] methyl acetate, structural formula:
Kresoxim-methyl toxicity: rat male and female acute oral LD
50all be greater than 5000mg/kg.Rat male and female are acute through skin LD
50all be greater than 2000mg/kg.To rabbit eyes, no skin irritation.Salmonella reversion test, mouse sperm tertogenicity test and mouse microkernel test are feminine gender.Kresoxim-methyl is based on natural antibiotics stobiluronA, the brand-new Plant Disease Management product of one of bio-mimetic syntheses.To crop and Environmental security, there is high bactericidal activity, be established a kind of new sterilization standard in the whole world gradually.The disease that it produces resistance to other bactericide is very effective.The intrusion of Spores can be suppressed, to fungus-caused multiple diseases such as imperfect fungus, sac fungi, basidiomycetes, Oomycetes, there is good activity, as: the diseases such as grape powdery mildew, wheat rust, potato late blight, pumpkin epidemic disease, rice blast, especially to powdery mildew of strawberry, melon powdery mildew, powdery mildew of cucumber, pear scab special efficacy.As methoxy acrylic bactericide, although it is also higher to be widely used activity, a lot of this single mechanism of action of bibliographical information, Long-Time Service is easy to pathogenic bacteria and produces the resistance shortening product life cycle.
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 that a kind of applied widely, containing fluazinam that cost is low, effective and kresoxim-methyl are provided for above-mentioned technical problem.
A further object of the invention is to provide the application of this bactericidal composition in control Cereal, melon and fruit or vegetable crop fungal disease.
The object of the invention is to be realized by following measures:
A kind of bactericidal composition, it with fluazinam with kresoxim-methyl for principle active component, wherein fluazinam and kresoxim-methyl weight ratio are 1 ~ 70:1 ~ 50, and preferably 5 ~ 50:10 ~ 50, more preferably 5 ~ 40:10 ~ 40, most preferably be 1:2 ~ 8.
Bactericidal composition of the present invention, the weight percentage that both fluazinam and kresoxim-methyl account for composition is 2 ~ 80%, is preferably 5 ~ 50%, most preferably 8 ~ 40%.
This bactericidal composition can become with kresoxim-methyl any one formulation that agricultural chemicals allows by fluazinam with known additive compound.
Described formulation is preferably processed into missible oil, pulvis, wetting powder, suspending agent, aqueous emulsion or water dispersion granule.
These known auxiliary agents have dispersant, diffusant, defoamer, wetting agent, disintegrant etc.Auxiliary agent can adopt to methoxyl group fatty acid amido benzene sulfonic acid sodium salt, sodium methylene bis-naphthalene sulfonate, calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, the rare block compound of polyoxyethylene polyoxy third (as agriculture breast 33#), polyoxyethylene nonylphenol ether, cyclohexanone, dimethylbenzene, white carbon, kaolin, aluminium-magnesium silicate, solvent naphtha, water, isopropyl alcohol, ethylene glycol, as the one or more combinations in propane diols, deionized water etc.
Application in the fungal disease that bactericidal composition of the present invention is caused by sac fungi, basidiomycetes, imperfect fungus and Oomycete fungal in control Cereal, melon and fruit or vegetable crop, preferably preparing the application prevented and treated in the germ killing drugs of powdery mildew, anthracnose, scab, penicilliosis, epidemic disease, leaf blight, rust, downy mildew, S.scabies, brown spot, damping off, gray mold, further preferred application in the germ killing drugs of preparation control wheat powdery mildew, pepper anthracnose, balsam pear scab, scutellum rot of orange, powdery mildew of cucumber, early blight of tomato and late blight.
Compared with prior art, beneficial effect of the present invention:
1, the fluazinam that the present invention is used is pyridines bactericide, kresoxim-methyl is methoxy acrylate bactericide, the mechanism of action is different, mutual mixture can not produce conflict, can produce obvious synergistic function, expands control spectrum, be particularly suitable for the crop pests such as control paddy rice, wheat, capsicum, banana, mango, pineapple, cucumber, tomato, sterilization speed is fast, the lasting period is long, can reduce dosage, reducing costs when applying.
2, bactericidal composition of the present invention overcomes and has delayed pesticide resistance, inhibits the drug-fast generation of fungi, overcomes the deficiency of a certain composition of single use, the agricultural chemicals of alternative routine and easily generation resistance.
Embodiment
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 fluazinam 5g, kresoxim-methyl 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 carries out air-flow crushing, and obtained principle active component weight percentage is 15% wetting powder.
Embodiment 2
By fluazinam 10g, kresoxim-methyl 40g, detergent LS3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g, and mixture carries out air-flow crushing, and obtained principle active component weight percentage is 50% wetting powder.
Embodiment 3
By fluazinam 4g, kresoxim-methyl 32g, detergent LS3g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and obtained principle active component weight percentage is 36% wetting powder.
Embodiment 4
Take fluazinam 15g, kresoxim-methyl 15g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, 100 ﹟ solvent naphtha 13g, add water to 100g.The method above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, and making principle active component weight percentage is 30% aqueous emulsion.
Embodiment 5
Take fluazinam 20g, kresoxim-methyl 5g, 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 principle active component weight percentage is 25% microemulsion.
Embodiment 6
Take fluazinam 11g, kresoxim-methyl 5g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, 100 ﹟ solvent naphtha 13g, add water to 100g.The method above raw material being prepared routinely aqueous emulsion drops into the mixing of mixing kettle high speed, and making principle active component weight percentage is 16% aqueous emulsion.
Embodiment 7
Take fluazinam 15g, kresoxim-methyl 20g, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, add 100 ﹟ solvent naphthas to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making principle active component weight percentage is 35% missible oil.
Embodiment 8
Take fluazinam 20g, kresoxim-methyl 15g, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, add 100 ﹟ solvent naphthas to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making principle active component weight percentage is 35% missible oil.
Embodiment 9
Take fluazinam 15g, kresoxim-methyl 25g, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, add water to 100g.The method above raw material being prepared routinely microemulsion drops in mixing kettle and mixes, and making principle active component weight percentage is 40% microemulsion.
Embodiment 10
Take fluazinam 5g, kresoxim-methyl 0.5g, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, add 100 ﹟ solvent naphthas to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making principle active component weight percentage is 5.5% missible oil.
Embodiment 11
Take fluazinam 5g, kresoxim-methyl 30g, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, add 100 ﹟ solvent naphthas to 100g.The method above raw material being prepared routinely missible oil drops in mixing kettle and mixes, and making principle active component weight percentage is 35% missible oil.
Embodiment 12
Take fluazinam 10g, kresoxim-methyl 10g, 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 principle active component weight percentage is 20% suspending agent.
Embodiment 13
Take fluazinam 30g, kresoxim-methyl 12g, 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 principle active component weight percentage is 42% suspending agent.
Embodiment 14
Take fluazinam 2g, kresoxim-methyl 5g, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin complements to 100g, and it is 7% water dispersion granule that above raw material is made principle active component weight percentage by water dispersible granular agent method.
Embodiment 15
Take fluazinam 4g, kresoxim-methyl 13g, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin complements to 100g, and it is 17% water dispersion granule that above raw material is made principle active component weight percentage by water dispersible granular agent method.
Embodiment 16
Take fluazinam 5g, kresoxim-methyl 15g, 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 principle active component weight percentage is 20% suspending agent.
Embodiment 17
Below in conjunction with embodiment, the invention will be further described, and in embodiment, the preparation method of formulation is conventional method.
1, indoor biometrics test
In indoor employing mycelial growth rate method, measure different agents to the EC50 value of bacterial strain (Erysiphe graminis D.c.f.sp.triticiE.Marchal), adopt the co-toxicity coefficient computational methods of the abundant introduction of Sun Yun, calculate the co-toxicity coefficient (CTC) of mixture, determine the building performance of mixture.
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 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: fluazinam+kresoxim-methyl different ratio is to the indoor biometrics result of wheat powdery mildew
| Medicament | Virulence regression equation | EC 50（mg/L） | Co-toxicity coefficient |
| 50% fluazinam SC | Y=5.86+1.94X | 0.3612 | — |
| 50% kresoxim-methyl WDG | Y=5.83+1.08X | 0.1716 | — |
| Embodiment 1(1:2) | Y=6.92+2.37X | 0.1544 | 134.68 |
| Embodiment 2(1:4) | Y=6.45+1.55X | 0.1155 | 166.07 |
| Embodiment 3(1:8) | Y=7.37+2.61X | 0.1231 | 148.06 |
As can be seen from Table 1, fluazinam and kresoxim-methyl composition have obvious synergistic function.
2, field control effectiveness test
With the pesticidal preparations control wheat powdery mildew test that above-described embodiment is obtained.
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 commercially available agricultural chemicals 50% kresoxim-methyl WDG and 50% fluazinam SC and blank clean water experiment respectively.
2) each plot area of test method is 66.7m
2, repeat 3 times; Inspection drug effect method before dispenser after Investigation and Prevention is: in test treatment region, random sampling 5 point (gets 2m at often
2), check powdery mildew occurrence degree.
3) result of the test sees the following form:
Table 2: fluazinam+kresoxim-methyl different ratio is to the field test results of wheat powdery mildew
Note: a represents remarkable in the level of α=0.05, and b represents variant in the level of α=0.05, and c represents not remarkable in the level of α=0.05.
As can be seen from Table 2, the control efficiency of fluazinam and kresoxim-methyl composition is excellent, and sterilization speed is fast, the lasting period is long, and control efficiency is all better than single dose kind, in agricultural application, have using value.
Claims (10)
1. a bactericidal composition, is characterized in that wherein the weight ratio of fluazinam and kresoxim-methyl is 1 ~ 70:1 ~ 50 with fluazinam and kresoxim-methyl for principle active component.
2. bactericidal composition according to claim 1, is characterized in that the weight ratio of described fluazinam and kresoxim-methyl is 5 ~ 50:10 ~ 50.
3. bactericidal composition according to claim 2, is characterized in that the weight ratio of described fluazinam and kresoxim-methyl is 5 ~ 40:10 ~ 40.
4. bactericidal composition according to claim 3, is characterized in that the weight ratio of described fluazinam and kresoxim-methyl is 1:2 ~ 8.
5. bactericidal composition according to claim 1, is characterized in that the weight percentage that both described fluazinam and kresoxim-methyl account for composition is 2 ~ 80%.
6. bactericidal composition according to claim 4, is characterized in that the weight percentage that both described fluazinam and kresoxim-methyl account for composition is 5 ~ 50%.
7. the bactericidal composition containing fluazinam and kresoxim-methyl according to claim 5, is characterized in that the weight percentage that both fluazinam and kresoxim-methyl account for composition is 8 ~ 40%.
8. bactericidal composition according to claim 1, it is characterized in that becoming with triadimefon any one formulation that agricultural chemicals allows by fluazinam with known additive compound, described formulation is missible oil, pulvis, wetting powder, suspending agent, aqueous emulsion or water dispersion granule.
9. the application of bactericidal composition according to claim 1 in control Cereal, melon and fruit or vegetable crop fungal disease.
10. bactericidal composition according to claim 1 is preparing the application prevented and treated in the germ killing drugs of powdery mildew, anthracnose, scab, penicilliosis, epidemic disease, leaf blight, rust, downy mildew, S.scabies, brown spot, damping off, gray mold, the application preferably in the germ killing drugs of preparation control wheat powdery mildew, pepper anthracnose, balsam pear scab, scutellum rot of orange, powdery mildew of cucumber, early blight of tomato and late blight.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542293.1A CN104604867A (en) | 2013-11-05 | 2013-11-05 | Sterilization composition containing fluazinam and kresoxim methyl as well as application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542293.1A CN104604867A (en) | 2013-11-05 | 2013-11-05 | Sterilization composition containing fluazinam and kresoxim methyl as well as application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104604867A true CN104604867A (en) | 2015-05-13 |
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106719853A (en) * | 2016-11-26 | 2017-05-31 | 防城港市林木良种繁育中心苗圃 | A kind of pharmaceutical composition for preventing and treating eucalyptus gray mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001022814A1 (en) * | 1999-09-30 | 2001-04-05 | Monsanto Technology Llc | Package-mix agricultural chemical compositions having improved stability |
| CN102696635A (en) * | 2012-06-16 | 2012-10-03 | 陕西美邦农药有限公司 | Bactericidal composition containing fluazinam and methoxyacrylates |
| CN103858915A (en) * | 2014-03-19 | 2014-06-18 | 浙江乐吉化工股份有限公司 | Fluazinam-containing soil treatment agent composition and application thereof |
-
2013
- 2013-11-05 CN CN201310542293.1A patent/CN104604867A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001022814A1 (en) * | 1999-09-30 | 2001-04-05 | Monsanto Technology Llc | Package-mix agricultural chemical compositions having improved stability |
| CN102696635A (en) * | 2012-06-16 | 2012-10-03 | 陕西美邦农药有限公司 | Bactericidal composition containing fluazinam and methoxyacrylates |
| CN103858915A (en) * | 2014-03-19 | 2014-06-18 | 浙江乐吉化工股份有限公司 | Fluazinam-containing soil treatment agent composition and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106719853A (en) * | 2016-11-26 | 2017-05-31 | 防城港市林木良种繁育中心苗圃 | A kind of pharmaceutical composition for preventing and treating eucalyptus gray mold |
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Application publication date: 20150513 |