CN105900993A - Bactericide composition containing fluxapyroxad and dimethachlon - Google Patents
Bactericide composition containing fluxapyroxad and dimethachlon Download PDFInfo
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- CN105900993A CN105900993A CN201610547387.1A CN201610547387A CN105900993A CN 105900993 A CN105900993 A CN 105900993A CN 201610547387 A CN201610547387 A CN 201610547387A CN 105900993 A CN105900993 A CN 105900993A
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- Prior art keywords
- dimethachlon
- fluxapyroxad
- bactericidal composition
- containsterilization
- mass ratio
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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
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/32—Cyclic imides of polybasic carboxylic acids or thio analogues thereof
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- Life Sciences & Earth Sciences (AREA)
- 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)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a bactericide composition containing metconazole and dimethachlon. The active components of the bactericide composition are metconazole and dimethachlon, wherein the mass ratio of metconazole to dimethachlon is 1:20 to 20:1, and the mass percentage of the active components in the composition is 5-60%. The bactericide composition has high bactericidal activity, delays the generation and development of drug resistance of pathogens, reduces the preventing and treating dosage in actual production, is economical, efficient, safe and environment-friendly, and has obvious preventing and treating effects on gray mold.
Description
Technical field
The present invention relates to disinfectant use in agriculture field, a kind of Fluxapyroxad-containsterilization and the bactericidal composition of dimethachlon,
For preventing and treating gray mold.
Background technology
Gray mold is open country, common and relatively difficult preventing and treating a kind of fungal disease of protecting field crop, belongs to low temperature and high relative humidity type
Disease, growth of pathogenic bacteria temperature is 20～30 DEG C, is the disease high-incidence season when temperature 20～25 DEG C, humidity continue more than 90%.Ash
Mildew is infected caused by the pathogen of Botrytis cinerea, belongs to fungal disease, flower, really, leaf, stem all can fall ill.Gray mold disease Seedling color is shallow, blade,
Petiole is fallen ill in canescence, water stain shape, and organization softening is to rotting, and during high humidity, there is grey mold on surface.Children's stem is many at the beginning of petiole base
Raw irregular water logging speckle, quickly deliquescing is rotted, and hangs and contracts or roll over, and last sick scutellum rot is withered and died of illness.This disease is a kind of typical case
Aeroborne disease, can propagate with air, current and farming operation.During actual disease control, it is difficult to take effectively to arrange
Execute and thoroughly cut off the source of infection；In the case of pathogen invades, it is also difficult to utterly destroy pathogen, as medicament sprays, it is difficult to solve
The certainly pathogen in air and dew；And individually smoke canopy, it is impossible to emphasis solves on the invalid bodies such as sick leaf, sick fruit or the cause of disease of inside
Bacterium.
Fluxapyroxad (fluxapyroxad), chemical name: 3-(difluoro)-1-methyl-N-(3', 4', 5'-trifluoro [1,
1'-biphenyl]-2-base)-1-H-pyrazoles-4-amide, fluxapyroxad belongs to pyrazole amide series bactericidal agent, and succinate dehydrogenase suppresses
Agent, preventing and treating is had both.It can suppress the Repiration of fungus, suppresses spore-germination, and germ tube extends, mycelial growth and spore shape
Become.Can be used for the multiple fungal disease controlling and suppressing in various crop.By superior lasting effect and lasting transmission characteristic
It is integrated in one.
Fluxapyroxad molecular formula C18H12F5N3O, structural formula is:
Dimethachlon (Dirnethachlon) is a kind of dicarboximide fungicide, has another name called dimethachlon, its effective ingredient
It it is (N 1 Dichlorobenzene base) succinic acid imines (NDPS).There is directly sterilization, endosmosis treatment, anti-androgenic effect, residual effect
Phase is long, because its fungicidal spectrum is wide, and the features such as prevention effect is notable, it is widely used in multiple monoid plant pathogenic fungi, such as Portugal
Crop, fruit tree that grape spore genus, Penicillium, Sclerotinia, Alternaria, Helminthosporium, Rhizoctonia, Phoma etc. cause are sick
Evil preventing and treating.Sclerotinia rot of colza, Nicotiana tabacum L. red raw meat disease, rice sheath blight disease, gibberella zeaze petch of wheat and barley, powdery mildew and industrial antisepsis are had
Good preventive effect effect.
Fluxapyroxad and dimethachlon single dose life-time service, easily make disease develop immunity to drugs, and causes dosage to strengthen, prevents
The problem that effect reduces, the lasting period shortens, is unfavorable for environment sustainable development.And the effective ingredient of the difference mechanism of action carries out multiple
Join, be to delay disease to develop immunity to drugs conventional method, and according to the effect in production application, judge this compounding be to increase
Effect effect or antagonism.The obvious formula of complex role, can significantly improve preventive effect, is substantially reduced the medication of pesticide
Amount, also can expand fungicidal spectrum, improves germicidal efficiency.
Summary of the invention
The invention provides the bactericidal composition of a kind of Fluxapyroxad-containsterilization and dimethachlon, there is bactericidal activity high, delay
Pathogen Drug resistance produces and development, and makes dosage total in unit are decline, economic, efficient, environmental protection, preventing and treating grey mold
Specially good effect is had in sick disease.
The antibacterial that two classes are had different mechanism of action by the present invention is combined, and is processed into the upper easy-to-use system of production
Agent, is used alone in two kinds of compositions and compares, and has biological activity high, and dosage total in unit are declines, and is substantially reduced
Dispenser cost, delays pathogen Drug resistance to produce to a greater extent and development simultaneously, reduces pathogenic fungi and kill single
Microbial inoculum produces the risk of resistance, extends the service life of each component in bactericidal composition, thus realizes economy, efficient, environmental protection
Goal of the invention.
The technical scheme is that
A kind of Fluxapyroxad-containsterilization and the microbicide compositions of dimethachlon, it is characterised in that described microbicide compositions
Active component be the mass ratio of fluxapyroxad and dimethachlon, fluxapyroxad and dimethachlon be 1:20 to 20:1, in compositions
Active component weight/mass percentage composition is 5-60%.
Described Fluxapyroxad-containsterilization and the bactericidal composition of dimethachlon, it is characterised in that: described active component fluorine azoles
The mass ratio of bacterium amide and dimethachlon is 1:10 to 10:1.
Described Fluxapyroxad-containsterilization and the bactericidal composition of dimethachlon, it is characterised in that: described fluxapyroxad and
The mass ratio of dimethachlon is 1:3-8.
Described Fluxapyroxad-containsterilization and the bactericidal composition of dimethachlon, it is characterised in that: described fluxapyroxad and
The mass ratio of dimethachlon is 1:4-6.
Described Fluxapyroxad-containsterilization and the microbicide compositions of dimethachlon, it is characterised in that: described microbicide compositions
Dosage form be wettable powder, water dispersible granules, suspending agent or cream.
The microbicide compositions application of described Fluxapyroxad-containsterilization and dimethachlon, it is characterised in that: this antimicrobial combination
Thing various crop microbial to reaping hook disease has higher prevention effect, especially pronounced to gray mold disease prevention effect.
Remarkable result and the advantage of the present invention be:
The present invention has the highest prevention effect to grey mold disease, there is notable synergistic effect between two components；Portion can be replaced
Divide high price pesticide species, and reduce dosage, effectively reduce ecological disruption and environmental pollution, and wheat yield and matter can be improved
Amount；In the present invention, fluxapyroxad and dimethachlon all belong to the toxicity such as low, and to people and animals, beneficial organism, Environmental security；Can delay
The pathogenic bacteria Drug resistance to single medicament.
First fluxapyroxad and the EC of dimethachlon two single compound (hereinafter referred to as medicament) are measured50(drug safety
Index), according to the EC of two single medicaments50The portfolio ratio of two medicaments is set by Wadley method, and according to Wadley coefficient of synergism C
Value, determines suitable compositions ratio, is then verified by the abundant method of Sun Yun.
Test objective thing is gray mold pathogenic bacteria, but does not limit so.Test uses mycelial growth algoscopy, by different disposal system
Make pastille culture medium, 4 repetitions of each process, after connecing bacterium 3 days, investigate each process growth inhibitory effect to gray mold pathogenic bacteria.Logical
Cross the linear regression analysis between the probit value of preventive effect and the logarithm value of series drug concentration, obtain the EC of each medicament50, according to
Wadley method calculates coefficient of synergism (SR), and makes overall merit accordingly.SR≤0.5 represents have antagonism, 0.5 ＜ SR ＜
1.5 represent have summation action, and SR >=1.5 are potentiation.SR value calculating method is as follows:
EC50(theoretical value)=(a+b)/(a/EC50A+b/EC50B)
SR=EC50(theoretical value)/EC50(actual value)
SR≤0.5, then two kinds of medicament mixtures have antagonistic action
SR=0.5～1.5, then two kinds of medicament mixtures have addition
SR >=1.5, then two kinds of medicament mixtures have potentiation
Table 1 fluxapyroxad and the dimethachlon compositions Wadley method measurement result to gray mold
Note: F is fluxapyroxad, and J is dimethachlon.
Can analyze from data above, gray mold pathogenic bacteria is pressed down by fluxapyroxad and the dimethachlon compositions of different proportion
Bacterium effect is different, and on the whole, its ratio has potentiation or addition in the range of 1:20 to 20:1, wherein maximum
Enhancing proportions is 5:1.
Below in conjunction with embodiment, the invention will be further described, but is not limited to this.
Detailed description of the invention
Embodiment 1 (preparation method of 60% fluxapyroxad dimethachlon wettable powder)
Composition of raw materials: by mass percentage
Preparation method: uniformly mixed by above-mentioned substance, mixture is pulverized through jet mill, prepares wettable powder.
Embodiment 2 (preparation method of 30% fluxapyroxad dimethachlon suspending agent)
Preparation method: according to formula, individual component weighed in proportion, adds ball mill ball milling 30 minutes, filters, and suction divides
Dissipating tank high speed shear to be fully ground through sand mill after 3 minutes, control solid constituent particle diameter is within 2 microns, and grinding terminates
After stir, obtain suspending agent product.
Embodiment 3 (preparation method of 40% fluxapyroxad dimethachlon water dispersible granules)
Preparation method: by fluxapyroxad, dimethachlon, Methyl fatty amide benzene sulfonic acid sodium salt, sodium carbonate, attapulgite together
After mix homogeneously, it is crushed to particle diameter 5 μm through jet mill, obtains female powder, make after mother's powder is sufficiently mixed with sodium lignin sulfonate
Grain, dry, sieve, thus prepare water-dispersible granules.
Embodiment 4 (preparation method of 20% fluxapyroxad dimethachlon suspending agent)
Preparation method: with embodiment 2.
Embodiment 5 (preparation method of 45% fluxapyroxad dimethachlon cream)
Composition of raw materials: by mass percentage
Preparation method: active component fluxapyroxad fully dissolved in dimethylbenzene reactor, makes A liquid；By activity
Component dimethachlon fully dissolves in dimethylbenzene reactor, makes B liquid；Under not stopping stirring, A liquid is mixed into B liquid, fully
Stir, add anhydrous calcium salt and NP-10, then adjust content with solvent xylene.
Embodiment 6 (preparation method of 48% fluxapyroxad dimethachlon cream)
Composition of raw materials: by mass percentage
Preparation method: with embodiment 5.
Prevention effect is tested:
The field efficiency test of grape grey mould is located at suburb, Bengbu, and this field grape grey mould is sent out toward average annual moderate
Raw, test area 0.3hm2, often processing in triplicate, other cultivation management measure is consistent.Dispenser 15 days is laggard the last time
Row preventive effect is investigated, and determines yield and chlorophyll content in leaf blades.Prevent and treat result as shown in table 2, containing fluxapyroxad bacterium
The clean bactericidal composition of core has good prevention effect to grape grey mould, and the preventive effect under each treatment dosage is above 80%,
It is significantly higher than the preventive effect of comparison medicament.Compared with chlorophyll content compares with not dispenser, content significantly improves.
Table 2 fluxapyroxad dimethachlon bactericidal composition prevents and treats land for growing field crops drug effect * that gray mold is sick
It should be noted that when the proportioning of fluxapyroxad and dimethachlon is 5:1, compared with other process, relatively low
Consumption under but two kinds of diseases are had higher preventive effect, it is shown that preferably synergistic function；And indoor biometrics result is also
Showing, when the proportioning of fluxapyroxad and dimethachlon is 5:1, the coefficient of synergism measured is the highest, and the result of the two is consistent.
Finally, in addition it is also necessary to be only several specific embodiments of the present invention it is noted that listed above.Obviously, this
Bright it is not limited to above embodiment, it is also possible to have many variations.Those of ordinary skill in the art can be in disclosed by the invention
Hold all deformation directly derived or associate, be all considered the scope of protection of the invention.
Claims (6)
1. a Fluxapyroxad-containsterilization and the bactericidal composition of dimethachlon, it is characterised in that active group of described bactericidal composition
The mass ratio being divided into fluxapyroxad and dimethachlon, fluxapyroxad and dimethachlon is 1:20 to 20:1, activity group in compositions
Dividing weight/mass percentage composition is 5-60%.
Fluxapyroxad-containsterilization the most according to claim 1 and the bactericidal composition of dimethachlon, it is characterised in that: described work
The mass ratio of property component fluxapyroxad and dimethachlon is 1:10 to 10:1.
Fluxapyroxad-containsterilization the most according to claim 1 and the bactericidal composition of dimethachlon, it is characterised in that: described fluorine
The mass ratio of azoles bacterium amide and dimethachlon is 1:3-8.
Fluxapyroxad-containsterilization the most according to claim 1 and the bactericidal composition of dimethachlon, it is characterised in that: described fluorine
The mass ratio of azoles bacterium amide and dimethachlon is 1:4-6.
Fluxapyroxad-containsterilization the most according to claim 1 and 2 and the bactericidal composition of dimethachlon, it is characterised in that: described
The dosage form of microbicide compositions is wettable powder, water dispersible granules, suspending agent or cream.
The bactericidal composition application of Fluxapyroxad-containsterilization the most according to claim 1 and 2 and dimethachlon, it is characterised in that:
Described bactericidal composition has the highest prevention effect to gray mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610547387.1A CN105900993A (en) | 2016-07-12 | 2016-07-12 | Bactericide composition containing fluxapyroxad and dimethachlon |
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| CN201610547387.1A CN105900993A (en) | 2016-07-12 | 2016-07-12 | Bactericide composition containing fluxapyroxad and dimethachlon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937636A (en) * | 2017-04-22 | 2017-07-11 | 北京科发伟业农药技术中心 | The bactericidal composition of fluorine-containing azoles ring bacterium amine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755797A (en) * | 2009-11-23 | 2010-06-30 | 陈章艳 | Bactericide composition containing boscalid |
| CN105475313A (en) * | 2015-12-02 | 2016-04-13 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Bactericidal composition containing pyraclostrobin and dimethachlon |
-
2016
- 2016-07-12 CN CN201610547387.1A patent/CN105900993A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755797A (en) * | 2009-11-23 | 2010-06-30 | 陈章艳 | Bactericide composition containing boscalid |
| CN105475313A (en) * | 2015-12-02 | 2016-04-13 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Bactericidal composition containing pyraclostrobin and dimethachlon |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937636A (en) * | 2017-04-22 | 2017-07-11 | 北京科发伟业农药技术中心 | The bactericidal composition of fluorine-containing azoles ring bacterium amine |
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