CN108200910A - A kind of composite bactericide - Google Patents
A kind of composite bactericide Download PDFInfo
- Publication number
- CN108200910A CN108200910A CN201611190352.3A CN201611190352A CN108200910A CN 108200910 A CN108200910 A CN 108200910A CN 201611190352 A CN201611190352 A CN 201611190352A CN 108200910 A CN108200910 A CN 108200910A
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- ether amide
- composite bactericide
- active constituent
- disease
- suspending agent
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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Abstract
A kind of composite bactericide, containing active components A and active constituent B, wherein, active components A is fluorine indenes azoles bacterium amine, and active constituent B is selected from fluorobenzene ether amide, one or both of chlorobenzene ether amide, and the weight ratio of active components A and active constituent B are 1:50~50:1, composite bactericide of the present invention can be configured to the conventional formulations such as suspending agent, aqueous emulsion, suspension emulsion, microcapsule suspending agent, suspension seed-coating agent, wettable powder, water dispersible granules, granule, dispersible oil-suspending agent.The present invention is higher to most of diseases controls in various crop, and bactericidal effect is notable, wide sterilization spectrum, has apparent synergistic effect.
Description
Technical field
The invention belongs to technical field of pesticide, are related to a kind of composite bactericide containing fluorine indenes azoles bacterium amine.
Background technology
Fluorine indenes azoles bacterium amine chemical name：3- difluoromethyls-N- (the fluoro- 2,3- dihydros -1,1,3- trimethyls -1H- indenes -4- of 7-
Base) -1- methyl-1 H- pyrazole-4-carboxamides, belong to wide spectrum SDHI series bactericidal agents, fungicidal spectrum covers all thifluzamides and Lu Na
Gloomy fungicidal spectrum, in addition to Rhizoctonia solani special efficacy, to anthrax, rust, early blight, powdery mildew, leaf mold, false smut preventive effect all
Very well.It will be high than Lu Nasen, green prince wife's activity especially in terms of powdery mildew.Structural formula is as follows：
Fluorobenzene ether amide is the pyrazol acid amide compounds of Central China Normal University's exploitation, is had to the banded sclerotial blight of rice and wheat
Good preventive effect, while epidemic disease to crops such as cucumber, tomatoes and sigatoka also have certain control effect.Structural formula
It is as follows：
Chlorobenzene ether amide is the pyrazol acid amide compounds of Central China Normal University's exploitation, to plants such as cucumber, tomato, potatos
The diseases such as epidemic disease, downy mildew, the tikka of object have good control effect, while have to the banded sclerotial blight of rice and wheat anti-well
Effect.Field trial shows do not have cross resistance with existing fungicide.Structural formula is as follows：
Due to the use lack of standardization of current pesticide, cause disease more and more stronger to the resistance of pesticide, cause Pesticide use amount
It is higher and higher, cause the pollution of environment.Shown by our experimental study by fluorine indenes azoles bacterium amine and fluorobenzene ether amide, chlorine
Phenylate amide mutually compounds, and in a certain range with apparent synergistic effect, can be good at overcoming the shortcomings of existing product,
Drug effect is improved, reduces usage amount, and have no relevant report both at home and abroad at present.
Invention content
The object of the present invention is to provide a kind of efficient, low cost, the lasting period is long, improves the composite bactericide of drug effect.
In above-mentioned composite bactericide, active components A is fluorine indenes azoles bacterium amine, and active constituent B is selected from fluorobenzene ether amide, chlorobenzene ether
The weight ratio of one or both of amide, active components A and active constituent B are 1：50~50：1, active components A with activity into
The preferred weight ratio for dividing B is 1：20~20：1.
Using above-mentioned composite bactericide, auxiliary agent known to a person skilled in the art is equipped with, with those skilled in that art
Suspending agent of the present invention, aqueous emulsion, suspension emulsion, microcapsule suspending agent, suspension seed-coating agent, wettable powder is made in well known method
Agent, water dispersible granules, granule, dispersible oil-suspending agent.
Above-mentioned composite bactericide, it is withered for preventing powdery mildew, downy mildew, scab, leaf spot, rice blast, false smut, line
Disease, rust, late blight, brown spot, damping-off, sclerotiniose, anthracnose, moire disease, full rot, rot disease, spot defoliation, ash
Mildew, head blight etc..
Above-mentioned composite bactericide has the characteristics that：1. bactericidal effect is notable, fungicidal spectrum is expanded, is had to disease higher
Activity；2. active ingredient is novel, the mode of action is unique；3. having good synergistic effect in the range of certain proportion, extend
Lasting period.
Specific embodiment
Applicant is by indoor biometrics experiment, and whether verification active ingredient has synergistic effect after compounding, we will thus
Raw object of surveying is set to Rhizoctonia solani Kuhn and Botrytis cinerea.
First, the raw object surveyed is set to Rhizoctonia solani Kuhn (Rhizoctonia solani K ü hn) by us, the Pseudomonas in
Deuteromycotina fungi, the bacterium can cause rice sheath blight disease.
The test method of indoor biometrics：Reference《Farm-chemical indoor determination test rule》, measured using growth rate method
The inhibiting effect that medicament grows rice sheath blight disease mycelia on the basis of pilot study, grows germ mycelia from each medicament
Inhibiting rate is up to 5 concentration of design in the range of 10%-90%, respectively by fluorine indenes azoles bacterium amine active compound, fluorobenzene ether amide active compound and chlorobenzene
The liquid that ether amide active compound is made into series concentration using methanol as solvent is spare and then liquid is added in 1% ratio has melted simultaneously
It is cooled in the PDA culture medium of room temperature, after fully shaking up, pours into the culture dish (Φ 90mm) of sterilizing and band medicine tablet is made, often
Four repetitions are handled, to add in the processing of sterile water as blank control；With card punch (Φ 5mm) picking rice sheath blight disease of sterilizing
Bacterium bacteria cake, the face-down aseptic inoculation of mycelia are inverted in 25 DEG C of constant incubator and cultivate, cultivate 6d in the center with medicine tablet
Colony diameter is measured using crossing method afterwards, calculates EC of each medicament to pathogen50, compare virulence and the suppression of different agents
Bacterium acts on.
The raw object surveyed is set to Botrytis cinerea (Botrytis cinerea) by us, and the Pseudomonas is true in Deuteromycotina
Bacterium, the bacterium can cause graw mold of tomato.
Indoor biometrics experiment method：Reference《Farm-chemical indoor determination test rule》, medicine is measured using growth rate method
The inhibiting effect that agent grows graw mold of tomato pathogen mycelia.On the basis of pilot study, from each medicament to germ mycelia
Growth inhibition ratio up to 5 concentration are designed in the range of 10%-90%, respectively by fluorine indenes azoles bacterium amine active compound, fluorobenzene ether amide active compound and
The liquid that chlorobenzene ether amide active compound is made into series concentration using methanol as solvent is spare, is then added to liquid in 1% ratio
Melt and be cooled in the PDA culture medium of room temperature, after fully shaking up, pour into the culture dish (Φ 90mm) of sterilizing to be made and be put down with medicine
Plate often handles four repetitions, to add in the processing of sterile water as blank control；With card punch (Φ 5mm) picking tomato of sterilizing
Ash arrhizus bacteria bacteria cake, the face-down aseptic inoculation of mycelia are inverted in 25 DEG C of constant incubator and cultivated in the center with medicine tablet,
Crossing method is used to measure colony diameter after cultivating 6d, calculate EC of each medicament to pathogen50, and count according to the following equation
Toxicity index is calculated, compares the virulence and bacteriostasis of different agents.
The abundant methods of Sun Yun：The synergistic effect of pharmacy mix is evaluated according to co-toxicity coefficient (CTC), i.e. CTC≤80 are made for antagonism
It is summation action with, 80 ＜ CTC ＜ 120, is synergistic effect during CTC >=120, co-toxicity coefficient is according to the following formula：
The mixture theoretical toxicity index TTI=∑s (percentage of the pharmaceutically active ingredient of the toxicity index ATI of certain medicine × in mixture
Rate).
1 fluorine indenes azoles bacterium amine of table and fluorobenzene ether amide and its different ratio are to the measurement result of rice sheath blight disease co-toxicity coefficient
As can be seen from Table 1, when fluorine indenes azoles bacterium amine and fluorobenzene ether amide compound in varing proportions, the common poison of complex preparation
Coefficient (CTC) is all higher than 124, has the synergistic effect of different proportion to the prevention of rice sheath blight disease, wherein, fluorine indenes azoles bacterium amine and
The proportioning of fluorobenzene ether amide is 1：20~20：When 1, co-toxicity coefficient (CTC) is all higher than 132, and synergistic effect is more notable.
2 fluorine indenes azoles bacterium amine of table and chlorobenzene ether amide and its different ratio are to the measurement result of graw mold of tomato co-toxicity coefficient
As can be seen from Table 2, when fluorine indenes azoles bacterium amine and chlorobenzene ether amide compound in varing proportions, the common poison of complex preparation
Coefficient (CTC) is all higher than 122, has the synergistic effect of different proportion to the prevention of graw mold of tomato, when fluorine indenes azoles bacterium amine and chlorine
Phenylate amide is 1：20~20：When 1, co-toxicity coefficient (CTC) is all higher than 131, and synergistic effect is more notable.
By indoor biometrics experiment, verification fluorine indenes azoles bacterium amine respectively with fluorobenzene ether amide, two kinds of chlorobenzene ether amide effectively into
There is good synergistic effect after dividing compounding, below by way of specific example the present invention is further described, but the present invention is absolutely
Non- to be only limited to these following embodiments, following embodiment does not include limitation of the scope of the invention, without departing from claim
It modifies and replaces in principle, be within the scope of protection of the invention interior.Percentage is weight percentage in formula.
Formulation examples are as follows：
Example 1,51% fluorine indenes azoles bacterium amine fluorobenzene ether amide suspending agent
Example 2,31% fluorine indenes azoles bacterium amine chlorobenzene ether amide suspension emulsion
Example 3, the 21% dispersible oil-suspending agent of fluorine indenes azoles bacterium amine fluorobenzene ether amide
Example 4,33% fluorine indenes azoles bacterium amine chlorobenzene ether amide wettable powder
Example 5,24% fluorine indenes azoles bacterium amine fluorobenzene ether amide water dispersible granules
Example 6,20% fluorine indenes azoles bacterium amine chlorobenzene ether amide suspending agent
Example 7,30% fluorine indenes azoles bacterium amine fluorobenzene ether amide aqueous emulsion
Example 8,24% fluorine indenes azoles bacterium amine chlorobenzene ether amide microcapsule suspending agent
Example 9,30% fluorine indenes azoles bacterium amine fluorobenzene ether amide wettable powder
Example 10,22% fluorine indenes azoles bacterium amine chlorobenzene ether amide suspending agent
Example 11,21% fluorine indenes azoles bacterium amine fluorobenzene ether amide microcapsule suspending agent
Example 12,31% fluorine indenes azoles bacterium amine chlorobenzene ether amide suspension seed-coating agent
Example 13,51% fluorine indenes azoles bacterium amine chlorobenzene ether amide suspending agent
Experiment one：Selection above example carries out the field trial of prevention rice sheath blight disease, verification formula prevention rice banded sclerotial blight
The effect of disease；Simultaneously by with 10% fluorine indenes azoles bacterium aqueous amine dispersible granule (dosage form English name：WDG), 30% fluorobenzene ether amide
Suspending agent (dosage form English name：SC), 30% chlorobenzene ether amide suspending agent (dosage form English name：SC Contrast on effect), verification
The control effect of the embodiment of the present invention.Experiment each four repetitions of processing, the random district's groups arrangement of cell processing, each plot area
For 50m2, when infecting in rice tillering latter stage, emphasis imposes on basal part of stem for first time dispenser, is applied again in the booting later stage once
Medicine, investigation method are：According to rice leaf sheath and blade damage symptom grading, as unit of strain, every 5 points of cell diagonal
Sampling, every investigation are connected 5 clumps, totally 25 clumps, record total strain number, diseased plant number and sick series.
3 different agents of table prevent the field control effectiveness test result of rice sheath blight disease
It is seen from the above data that all embodiments after medicine 7 days preventive effects to rice sheath blight disease more than 82%,
14 days preventive effects to rice sheath blight disease are more than 88% after medicine, and compared to single dose, complex preparation preventive effect difference is extremely notable, has after compounding
There is good synergistic effect, extend the lasting period, it is more longlasting to the control effect of rice sheath blight disease.
Experiment two：Selection above example carries out the field trial of prevention graw mold of tomato, verification complex preparation prevention tomato
The effect of gray mold；Simultaneously by with 10% fluorine indenes azoles bacterium aqueous amine dispersible granule (dosage form English name：WDG), 30% fluorobenzene ether
Amide suspending agents (dosage form English name：SC), 30% chlorobenzene ether amide suspending agent (dosage form English name：SC Contrast on effect),
Verify the control effect of the embodiment of the present invention.Experiment each four repetitions of processing, the random district's groups arrangement of cell processing, each cell
Area is 50m2, investigation method is：Grading is killed according to leaf portion, as unit of blade, is sampled per cell using 5 points, often
2~3 plants of point investigation, whole blades of every plant of investigation calculate sick leaf rate.
4 different agents of table prevent the field control effectiveness test result of graw mold of tomato
It is seen from the above data that so embodiment after medicine 7 days preventive effects to graw mold of tomato more than 81%,
14 days preventive effects to graw mold of tomato are more than 88% after medicine, and compared to single dose, complex preparation preventive effect difference is extremely notable, has after compounding
There is good synergistic effect, extend the lasting period, it is more longlasting to the control effect of graw mold of tomato.
In conclusion complex preparation can be very good to improve the synergistic effect of product, drug resistance is overcome, can be applied
Controlling disease in crops improves drug effect, extends the lasting period, reduces cost, mitigate the amount of labour of peasant, there is very high practicality
Property.
Claims (4)
1. a kind of composite bactericide, it is characterised in that：Containing active components A and active constituent B, the active components A is fluorine indenes
Azoles bacterium amine, active constituent B are selected from one or both of fluorobenzene ether amide, chlorobenzene ether amide, active components A and active constituent B
Weight ratio be 1：50~50：1.
2. composite bactericide according to claim 1, it is characterised in that：Active components A and the preferred weight of active constituent B
Than being 1：20~20：1.
3. composite bactericide according to claim 1, it is characterised in that：Suspending agent, water are made by active constituent and auxiliary material
Emulsion, suspension emulsion, microcapsule suspending agent, suspension seed-coating agent, wettable powder, water dispersible granules, granule, dispersible oil suspend
Agent.
4. composite bactericide according to claim 1, for preventing powdery mildew, downy mildew, scab, leaf spot, rice blast
Disease, banded sclerotial blight, rust, late blight, brown spot, damping-off, sclerotiniose, anthracnose, moire disease, full rot, rot disease, spot are fallen
Leaf disease, gray mold, head blight etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190352.3A CN108200910A (en) | 2016-12-20 | 2016-12-20 | A kind of composite bactericide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190352.3A CN108200910A (en) | 2016-12-20 | 2016-12-20 | A kind of composite bactericide |
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| Publication Number | Publication Date |
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| CN108200910A true CN108200910A (en) | 2018-06-26 |
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| CN201611190352.3A Pending CN108200910A (en) | 2016-12-20 | 2016-12-20 | A kind of composite bactericide |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108576009A (en) * | 2018-07-06 | 2018-09-28 | 广东中迅农科股份有限公司 | Bactericidal composition |
| CN110946156A (en) * | 2019-12-14 | 2020-04-03 | 贵州民族大学 | Environment-friendly bactericide for constructed wetland |
| WO2020121347A1 (en) * | 2018-12-14 | 2020-06-18 | Isagro S.P.A. | Concentrated suspension containing fluindapyr and use thereof as fungicide in crop plants |
| WO2020121345A1 (en) * | 2018-12-14 | 2020-06-18 | Isagro S.P.A. | Oil dispersion containing fluindapyr and use thereof as fungicide in crop plants |
| WO2020121346A1 (en) * | 2018-12-14 | 2020-06-18 | Isagro S.P.A. | Suspoemulsion containing fluindapyr and use thereof as fungicide in crop plants |
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| CN103502220A (en) * | 2010-12-20 | 2014-01-08 | I-F产品协作基金会 | Aminoindanes amides having a high fungicidal activity and phytosanitary compositions thereof |
| CN104557709A (en) * | 2013-10-23 | 2015-04-29 | 华中师范大学 | Pyrazole amide compound containing diphenyl ether, and application and pesticide composition of pyrazole amide compound |
| CN104602523A (en) * | 2012-06-15 | 2015-05-06 | I-F产品协作基金会 | Synergistic compositions for the protection of agrarian crops and the use thereof |
-
2016
- 2016-12-20 CN CN201611190352.3A patent/CN108200910A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103502220A (en) * | 2010-12-20 | 2014-01-08 | I-F产品协作基金会 | Aminoindanes amides having a high fungicidal activity and phytosanitary compositions thereof |
| CN104602523A (en) * | 2012-06-15 | 2015-05-06 | I-F产品协作基金会 | Synergistic compositions for the protection of agrarian crops and the use thereof |
| CN104557709A (en) * | 2013-10-23 | 2015-04-29 | 华中师范大学 | Pyrazole amide compound containing diphenyl ether, and application and pesticide composition of pyrazole amide compound |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108576009A (en) * | 2018-07-06 | 2018-09-28 | 广东中迅农科股份有限公司 | Bactericidal composition |
| WO2020121347A1 (en) * | 2018-12-14 | 2020-06-18 | Isagro S.P.A. | Concentrated suspension containing fluindapyr and use thereof as fungicide in crop plants |
| WO2020121345A1 (en) * | 2018-12-14 | 2020-06-18 | Isagro S.P.A. | Oil dispersion containing fluindapyr and use thereof as fungicide in crop plants |
| WO2020121346A1 (en) * | 2018-12-14 | 2020-06-18 | Isagro S.P.A. | Suspoemulsion containing fluindapyr and use thereof as fungicide in crop plants |
| CN110946156A (en) * | 2019-12-14 | 2020-04-03 | 贵州民族大学 | Environment-friendly bactericide for constructed wetland |
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