CN106973920A - A kind of bactericidal composition and its application containing fluoxastrobin and fenoxanil - Google Patents

A kind of bactericidal composition and its application containing fluoxastrobin and fenoxanil Download PDF

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Publication number
CN106973920A
CN106973920A CN201710130108.6A CN201710130108A CN106973920A CN 106973920 A CN106973920 A CN 106973920A CN 201710130108 A CN201710130108 A CN 201710130108A CN 106973920 A CN106973920 A CN 106973920A
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CN
China
Prior art keywords
fenoxanil
fluoxastrobin
bactericidal composition
composition
composition according
Prior art date
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Pending
Application number
CN201710130108.6A
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Chinese (zh)
Inventor
万维肖
杨琴
高瑞花
孙会杰
陈叶青
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Nanjing Huazhou Pharmaceutical Co Ltd
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Nanjing Huazhou Pharmaceutical Co Ltd
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Priority to CN201710130108.6A priority Critical patent/CN106973920A/en
Publication of CN106973920A publication Critical patent/CN106973920A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
    • A01N39/04—Aryloxy-acetic acids; Derivatives thereof

Abstract

The invention discloses a kind of bactericidal composition containing fluoxastrobin and fenoxanil and its application.The bactericidal composition is using fluoxastrobin and fenoxanil as principle active component, and wherein the mass ratio of fluoxastrobin and fenoxanil is 50:1~1:60.The bactericidal composition can be applied to preventing and treating Cereal, fruit tree, vegetable disease, it is particularly useful for preventing and treating the fungal diseases such as glume blight, net blotch, rice blast, powdery mildew, rust, downy mildew, with higher synergistic function, overcome and delayed the resistance to the action of a drug of germ, sterilization speed is fast, lasting period length, reduce application cost, and prevention effect is substantially better than its single dose and used.

Description

A kind of bactericidal composition and its application containing fluoxastrobin and fenoxanil
Technical field：
The present invention relates to a kind of bactericidal composition and application thereof, it is especially a kind of using fluoxastrobin and fenoxanil be main The bactericidal composition of active component and its application.
Background technology
Fluoxastrobin (Fluoxastrobin) is mitochondrial respiratory inhibitor, and its mechanism of action is in cytochrome b and C1 Between electro transfer suppress mitochondrial breathing, fluoxastrobin has quick-acting and lasting period long double grading, has very well to crop Compatibility, appropriate processing formulation can further improve its osmosis for entering people's leaf portion by cuticula.Although it passes through The absorbability of seed and root is poor, when being used as seed treatment, though to seedling and biography and soil-borne disease are planted with fine Killing and lasting effect, to nearly all Mycophytes (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease as become rusty The tens of kinds of diseases such as disease, glume blight, net blotch, powdery mildew, downy mildew have good activity.
Fenoxanil (fenoxanil), category category benzene oxanamide series bactericidal agent, its mechanism of action presses down for melanin biosynthesis Preparation, mainly suppresses the activity of pillar spore ketone dehydrogenase, is formed so as to suppress Pyricularia oryzae melanin.With good absorbability With remarkable wholesomeness, also there is very good effect after dispenser to the blade newly deployed, dispenser remains to suppress spore on scab for 40 days Come off and disperse, so as to avoid superinfection.
The difficulty of prevention and cure of current phytopathogen is increasing, on the one hand, with the change of pattern of farming, melon fruits and vegetables etc. Industrial crops cultivated area progressively expands, and disease occurrence degree, generation quantity are increased, and difficulty is increased in preventing and treating；Separately On the one 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, plant Disease control is faced with significant challenge.
The content of the invention：
The purpose of the present invention be provide that a kind of applied widely, cost is low for above-mentioned technical problem, that effect is good is fluorine-containing The plant bactericidal composition of Fluoxastrobin and fenoxanil.
It is a still further object of the present invention to provide the bactericidal composition preventing and treating fungal diseases of plants on application, especially Purposes on the fungal diseases such as glume blight, net blotch, rice blast, powdery mildew, rust, downy mildew are prevented and treated.
The purpose of the present invention is to be achieved through the following technical solutions：
A kind of bactericidal composition containing fluoxastrobin and fenoxanil, the bactericidal composition is with fluoxastrobin and fenoxanil For principle active component, the wherein mass ratio of fluoxastrobin and fenoxanil is 50:1~1:60, wherein have in bactericidal composition Effect composition is present in composition with enhancing effective amount.
The mass ratio of described bactericidal composition, wherein fluoxastrobin and fenoxanil is preferably 50:1~10:1、2.5:1 ~1:2 and 1:6~1:20, more preferably 50:1~10:1 and 2.5:1~1:2.
In the compositions of the present invention, accounted for both fluoxastrobin and fenoxanil the weight/mass percentage composition of composition for 2~ 80%.Preferably 5-70%, more preferably 10~40%.
Described bactericidal composition, wherein using fluoxastrobin and fenoxanil as principle active component and known auxiliary agent and Excipient is re-dubbed any one formulation allowed on agricultural chemicals.These known auxiliary agents, excipients have dispersant, diffusant, disappeared Infusion, wetting agent, disintegrant etc., can use calcium dodecyl benzene sulfonate, APES, benzyl phenol polyethenoxy Ether, phenethyl phenol polyethenoxy ether, AEO and its similar products, aliphatic amine polyoxyethylene ether, aliphatic acid ring Oxidative ethane addition product, polyoxyethylene polyoxy propylene block compound, castor oil polyoxyethylene ether, NPE, tell Warm series, AEO, polyethylene glycol series, Sulfonates, carboxylate, sulfate, phosphate, phosphite, One or more of lignosulfonates, xanthans, phenol formaldehyde condensate, ammonium salt, quaternary etc. are combined, and excipient includes Cyclohexanone, dimethylbenzene, various solvent naphthas, water, antifreezing agent (such as propane diols), deionized water.Above auxiliary agent, excipient and other Auxiliary material can be with alone or be used in combination.
Described bactericidal composition, its formulation is missible oil, wettable powder, suspending agent, aqueous emulsion or water dispersion granule.
Application of the above-mentioned bactericidal composition on preventing and treating fungal diseases of plants medicine is prepared.Especially in preventing and treating cereal Application in terms of class, fruit tree, vegetable crop disease has remarkable result.
Above-mentioned application, described fungal diseases of plants is glume blight, net blotch, rice blast, powdery mildew, rust, downy mildew At least one of disease.
The characteristics of bactericidal composition of the present invention：
1st, the fluoxastrobin and fenoxanil used in the present invention, the mechanism of action is different, mutual mixture will not produce it is low touch, can Synergistic, reduces dosage, reduces cost.
2nd, present composition scope of application increase, it is adaptable to prevent and treat Cereal, fruit tree, the refractory fungal disease of vegetables, Particularly preventing and treating glume blight, net blotch, rice blast, powdery mildew, rust, downy mildew etc. has significant effect.Present invention sterilization Composition has good prevention effect to sac fungus, basidiomycetes, Fungi Imperfecti and Oomycete fungal disease；And suppress insect or true Drug-fast generation of the bacterium to unitary agent (fluoxastrobin and fenoxanil are any).Bactericidal composition of the present invention can produce higher Synergistic function, and the consumption of the amount ratio independent reactive compound of the mixture substantially reduces, i.e. the work of mixture Property be more than independent component activity.
Beneficial effects of the present invention compared with prior art：(1) compared with single dose, said composition antagonism fungal disease is such as The fungal diseases such as glume blight, net blotch, rice blast, powdery mildew, rust, downy mildew have obvious synergistic function, overcome and prolong Delay the resistance to the action of a drug, expand preventing and treating spectrum, hence it is evident that improve prevention effect；(2) preventing and treating recruitment, drug cost are reduced；(3) it is alternative normal Advise and be also easy to produce the agricultural chemicals of resistance；(4) compared with single dose, production and use cost reduction；(5) the drug-fast production of fungi is suppressed Raw, its effect is used apparently higher than its single dose.
Embodiment
The invention will be further described with reference to embodiments, and the preparation method of formulation is conventional side in embodiment Method, " % " of the present invention is mass percent.
Indoor biometricses are tested：
Mycelial growth rate method is used indoors, determines EC of the different agents to bacterial strain50Value, using co-toxicity coefficient calculating side Method, calculates the co-toxicity coefficient (CTC) of mixture, determines the building performance of mixture, circular is as follows：
A certain single dose (generally selects EC as standard agent using in mixture50Junior), calculated：
Single dose toxicity index=standard agent EC50/ certain single dose EC50×100
The toxicity index of the toxicity index of theoretical toxicity index=A single doses × A single doses proportion+B single doses in mixture × B single doses proportion in mixture
Survey the EC of toxicity index=standard single dose50The EC of value/mixture50Value × 100
Co-toxicity coefficient=actual measurement toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient is classified：Mixture has synergetic when CTC is more than 120, and CTC exists when being less than 80 for antagonism, CTC It is summation action between 80-120.
According to active ingredient fluoxastrobin (A)：Fenoxanil (B) quality proportioning is：70：1、50：1、30：1、20：1、10： 1、5：1、2.5：1、1：1、1：2、1：4、1：6、1：10、1：20、1：30、1：50、1:60、1:70 are tested, and determine it to water The co-toxicity coefficient of rice Pyricularia oryzae (PyriculariaoryaeCav.).
Table 1：Indoor biometricses result of the fluoxastrobin+fenoxanil different ratio to rice blast fungus
Field control effectiveness test：
Tested with pesticidal preparations preventing and treating rice blast made from above-described embodiment.
1st, test process：This test medicine consumption sets three concentration for the treatment of, comparison medicine respectively according to the difference of each composition Agent is the fluoxastrobin EC of agricultural chemicals single dose 10% and 20% fenoxanil SC and blank clean water experiment respectively.
2nd, each plot area of test method is 66.7m2, it is repeated 3 times；Investigation drug effect side after investigating and prevent and treat before dispenser Method is：(every takes 5M for 5 points of grab sample in test process area2), carry out the state of an illness point according to national field test relevant criterion Level, calculates preventive effect.Result of the test is shown in Table 2：
The field test effect of table 2
Shown by indoor biometricses and field efficacy result, fluoxastrobin has with fenoxanil composition significantly to be cooperateed with Synergistic effect, the prevention effect of composition is excellent, and prevention effect is better than single dose kind, has in agricultural application and applies valency Value.
Two kinds of reactive compounds can be processed into any one formulation of permission, illustrate two kinds below with specific embodiment The preparation that active ingredient is processed into, but the preparation that can process of the two kinds of active components be not limited only to it is set forth below.
Embodiment 1：15% fluoxastrobin fenoxanil wettable powder (1:2)
By fluoxastrobin 5g, fenoxanil 10g, detergent LS (to methoxyl group aliphatic acid amido benzene sulfonic acid sodium salt) 2g, diffusion Agent NNO (sodium methylene bis-naphthalene sulfonate) 4g, white carbon 5g, kaolin add to 100g mixtures and carry out air-flow crushing, are made effective Ingredient percent is 15% fluoxastrobin fenoxanil wettable powder.
Embodiment 2：15% fluoxastrobin fenoxanil wettable powder (1:4)
By fluoxastrobin 3g, fenoxanil 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolinite Soil adds to 100g mixtures and carries out air-flow crushing, and it is that 15% fluoxastrobin fenoxanil can that active ingredient mass percent, which is made, WP.
Embodiment 3：14% fluoxastrobin fenoxanil wettable powder (1:6)
By fluoxastrobin 2g, fenoxanil 12g, lauryl sodium sulfate 3g, dispersing agent NNO 4g, white carbon 5g, kaolinite Soil adds to 100g mixtures and carries out air-flow crushing, and it is that 14% fluoxastrobin fenoxanil can that active ingredient mass percent, which is made, WP.
Embodiment 4：20% fluoxastrobin fenoxanil suspending agent (1:1)
10g fluoxastrobins, 10g fenoxanils, lignin 2g, polyoxyethylene poly-oxygen propylene aether and its sulfate 4g are weighed, Xanthans 0.15g, ethylene glycol 5g, siloxanes 0.10g, aluminium-magnesium silicate 0.5g, complement to 100g, in the presence of sand mill with water Effective Ingredient percent is made for 20% fluoxastrobin fenoxanil suspending agent.
Embodiment 5：55% fluoxastrobin fenoxanil aqueous emulsion (1:10)
Weigh 5g fluoxastrobins, 50g fenoxanils, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkyl Phenol polyethenoxy ether 1g, 150# solvent naphtha 13g, adds water to 100g.Above raw material is routinely prepared to the method input of aqueous emulsion Mixing kettle high speed is mixed, and effective Ingredient percent is made for 55% fluoxastrobin fenoxanil aqueous emulsion.
Embodiment 6：42% fluoxastrobin fenoxanil missible oil (1:20)
Weigh 2g fluoxastrobins, 40g fenoxanils, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, 150# solvent naphthas are to 100g.Mixed in the method input mixing kettle that above raw material is routinely prepared to missible oil, active ingredient is made Mass percent is 42% fluoxastrobin fenoxanil missible oil.
Embodiment 7：70% fluoxastrobin fenoxanil missible oil (2.5:1)
Weigh 50g fluoxastrobins, 20g fenoxanils, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 2g, Castor oil polyoxyethylene ether 2g, 150# solvent naphtha are to 100g.The method that above raw material is routinely prepared into missible oil puts into mixing kettle Middle mixing, is made effective Ingredient percent for 70% fluoxastrobin fenoxanil missible oil.
Embodiment 8：18% fluoxastrobin fenoxanil water dispersion granule (5：1)
15g fluoxastrobins, 3g fenoxanils are weighed, wooden sodium sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g gather Vinyl alcohol 5g, borax 2g, diatomite complements to 100g, and above raw material is formed with by water dispersible granular agent method to imitate composition quality Percentage is 18% fluoxastrobin fenoxanil water dispersion granule.
Embodiment 9：11% fluoxastrobin fenoxanil missible oil (10:1)
Weigh 10g fluoxastrobins, 1g fenoxanils, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, 150# solvent naphthas are to 100g.Mixed in the method input mixing kettle that above raw material is routinely prepared to missible oil, active ingredient is made Mass percent is 11% fluoxastrobin fenoxanil missible oil.
Embodiment 10：31.5% fluoxastrobin fenoxanil microemulsion (20:1)
Weigh 30g fluoxastrobins, 1.5g fenoxanils, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphorus Acid esters 3g, agriculture breast 33#2g, APES 1g, isopropanol 10g add water to 100g.Above raw material is routinely prepared Mixed in the method input mixing kettle of microemulsion, effective Ingredient percent is made for 31.5% fluoxastrobin fenoxanil Microemulsion.
Embodiment 11：31% fluoxastrobin fenoxanil missible oil (30:1)
Weigh 30g fluoxastrobins, 1g fenoxanils, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, 150# solvent naphthas are to 100g.Mixed in the method input mixing kettle that above raw material is routinely prepared to missible oil, active ingredient is made Mass percent is 31% fluoxastrobin fenoxanil missible oil.
Embodiment 12：51% fluoxastrobin fenoxanil suspending agent (50:1)
50g fluoxastrobins, 1g fenoxanils, lignin 2g, polyoxyethylene poly-oxygen propylene aether and its sulfate 4g are weighed, it is yellow Virgin rubber 0.15g, ethylene glycol 5g, siloxanes 0.10g, aluminium-magnesium silicate 0.5g, 100g is complemented to water, is made in the presence of sand mill It is 51% fluoxastrobin fenoxanil suspending agent into active ingredient mass percent.
Embodiment 13：32% fluoxastrobin fenoxanil microemulsion (1:15)
Weigh 2g fluoxastrobins, 30g fenoxanils, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphoric acid Ester 3g, agriculture breast 33#2g, APES 1g, isopropanol 10g add water to 100g.Above raw material is routinely prepared micro- Mixed in the method input mixing kettle of emulsion, effective Ingredient percent is made for 32% fluoxastrobin fenoxanil micro emulsion Agent.
Embodiment 14：6% fluoxastrobin fenoxanil aqueous emulsion (1:5)
Weigh 1g fluoxastrobins, 5g fenoxanils, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkyl phenol APEO 1g, 150# solvent naphtha 13g, adds water to 100g.The method input that above raw material is routinely prepared into aqueous emulsion is mixed The mixing of kettle high speed is closed, effective Ingredient percent is made for 6% fluoxastrobin fenoxanil aqueous emulsion.
Embodiment 15：62% fluoxastrobin fenoxanil microemulsion (1:30)
Weigh 2g fluoxastrobins, 60g fenoxanils, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphoric acid Ester 3g, agriculture breast 33#2g, APES 1g, isopropanol 10g add water to 100g.Above raw material is routinely prepared micro- Mixed in the method input mixing kettle of emulsion, effective Ingredient percent is made for 62% fluoxastrobin fenoxanil micro emulsion Agent.
Embodiment 16：51% fluoxastrobin fenoxanil suspending agent (1:50)
1g fluoxastrobins, 50g fenoxanils, lignin 2g, polyoxyethylene poly-oxygen propylene aether and its sulfate 4g are weighed, it is yellow Virgin rubber 0.15g, ethylene glycol 5g, siloxanes 0.10g, aluminium-magnesium silicate 0.5g, 100g is complemented to water, is made in the presence of sand mill It is 51% fluoxastrobin fenoxanil suspending agent into active ingredient mass percent.
Embodiment 17：7% fluoxastrobin fenoxanil water dispersion granule (1：2.5)
Weigh 2g fluoxastrobins, 5g fenoxanils, wooden sodium sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, poly- second Enol 5g, borax 2g, white carbon 3g, diatomite complement to 100g, and above raw material is formed with into effect by water dispersible granular agent method Ingredient percent is 7% fluoxastrobin fenoxanil water dispersion granule.

Claims (9)

1. a kind of bactericidal composition containing fluoxastrobin and fenoxanil, it is characterised in that the bactericidal composition with fluoxastrobin and Fenoxanil is that the mass ratio of principle active component, wherein fluoxastrobin and fenoxanil is 50:1~1:60.
2. bactericidal composition according to claim 1, it is characterised in that the mass ratio of the fluoxastrobin and fenoxanil For 50:1~10:1、2.5:1~1:2、1:6~1:20.
3. bactericidal composition according to claim 2, it is characterised in that the mass ratio of the fluoxastrobin and fenoxanil For 50:1~10:1、2.5:1~1:2.
4. bactericidal composition according to claim 1, it is characterised in that both described fluoxastrobin and fenoxanil are accounted for The weight/mass percentage composition of composition is 2-80%.
5. bactericidal composition according to claim 5, it is characterised in that both described fluoxastrobin and fenoxanil are accounted for The weight/mass percentage composition of composition is 5-70%.
6. bactericidal composition according to claim 1, it is characterised in that using fluoxastrobin and fenoxanil to be main effective Composition and insecticides adjuvant, excipients are configured to any one formulation allowed on agricultural chemicals.
7. bactericidal composition according to claim 6, it is characterised in that described formulation be missible oil, suspending agent, aqueous emulsion, Wettable powder or water dispersion granule.
8. application of the bactericidal composition on preventing and treating fungal diseases of plants medicine is prepared described in claim 1.
9. application according to claim 8, it is characterised in that described fungal diseases of plants is glume blight, net blotch, rice At least one of seasonal febrile diseases, powdery mildew, rust, downy mildew.
CN201710130108.6A 2017-03-07 2017-03-07 A kind of bactericidal composition and its application containing fluoxastrobin and fenoxanil Pending CN106973920A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004049761A1 (en) * 2004-10-12 2006-04-13 Bayer Cropscience Ag Fungicidal drug combinations
CN102640758A (en) * 2012-04-24 2012-08-22 杭州宇龙化工有限公司 Bactericidal composition containing thifluzamide and fluoxastrobin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004049761A1 (en) * 2004-10-12 2006-04-13 Bayer Cropscience Ag Fungicidal drug combinations
CN101039578A (en) * 2004-10-12 2007-09-19 拜尔农作物科学股份公司 Fungicidal active ingredient combinations containing fluoxastrobin
CN102640758A (en) * 2012-04-24 2012-08-22 杭州宇龙化工有限公司 Bactericidal composition containing thifluzamide and fluoxastrobin

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Application publication date: 20170725