CN108338174A - The Herbicidal combinations of Han You metamifops and flufenacet - Google Patents
The Herbicidal combinations of Han You metamifops and flufenacet Download PDFInfo
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- CN108338174A CN108338174A CN201710676715.2A CN201710676715A CN108338174A CN 108338174 A CN108338174 A CN 108338174A CN 201710676715 A CN201710676715 A CN 201710676715A CN 108338174 A CN108338174 A CN 108338174A
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- Prior art keywords
- herbicidal combinations
- flufenacet
- composition
- metamifops
- effect
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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
- A01N43/82—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 five-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
- 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
- A01N43/74—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 five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
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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)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations with synergistic effect, contain You effect Cheng Fen metamifops and flufenacet in the composition.It at point metamifop and the weight ratio of flufenacet can be 30~1 to have effect：1~30.The test of pesticide effectiveness shows that the composition has the characteristics that with strong complementarity, synergistic effect is apparent, herbicide controlling spectrum expands, amount of application is reduced, the optimum period for applying fertilizer extends, high, environmental pollution reduces, is by force etc. positive with environment compatibility to crop safety.
Description
Technical field
The invention belongs to agriculture plant protection fields, more particularly to a kind of Herbicidal combinations for having and improving performance.
Background technology
Huo Zu Fen metamifops (metamifop) are the fragrant phenoxy propionic acid developed by Chemical Engineering Technology research institute of South Korea
Ester herbicide, can be fabulous prevent and kill off most of annual gramineous weeds, unlike most of such herbicides, oxazole
Acyl grass amine can effectively prevent and kill off rice terrace main weeds and be mainly used for such as barnyard grass, moleplant seed, lady's-grass and eleusine indica to rice safety
Transplanting and direct sowing rice field weeding.Metamifop low toxicity, it is environmentally safe, there is extensive miscibilty, and be expected to be used for other works
Object and Kill weeds are a very promising herbicides.
Active component flufenacet (flufenacet) is found by Bayer Cropscience Co., Ltd, nineteen ninety-five is in Britain's Brighton
The herbicide kind introduced in plant protection meeting.The active constituent belongs to aryloxyl acetamide type compound as mefenacet,
With chloro-acetyl amine herbicide there is similar control of weeds to compose, can prevent and kill off extensively annual gramineous weed, nutgrass flatsedge and
Some granule broad leaved weeds.Its action character is mainly used for corn, wheat, big mainly by inhibiting cell division to play a role
Early stage after the Miao Qianmiao of wheat, the annual gramineous weed such as Itanlian rye of Soybean and Other Crops Tanaka and certain broad leaved weeds
Weeding.
Actual pesticide experience have shown that, repeat and single-minded carry out controlling weeds in many feelings using a kind of reactive compound
It will lead to the fast selective of weeds under condition, prevent injurious weed usually using the mixture of different activities compound at present.
By will have the reactive compound of different role mechanism to be combined, can delaying drug resistance generate, reduce amount of application, reduce prevention
Cost.
Invention content
The purpose of the present invention is being directed to herbicide resistance and pedo relict problem in practical applications, filter out containing two
The herbicide of the different weeding principles of kind is compounded, and to improve herbicide prevention effect, delaying drug resistance generates, and reduces amount of application,
Reduce cost accounting.
It is a further object of the present invention to provide a kind of application of above-mentioned composition in agriculture field controlling weeds.
The purpose of the present invention can be achieved by the following measures：
The present invention provides a kind of Herbicidal combinations with synergistic effect, contain effective constituents A and B in the composition,
Effective constituents A Wei metamifops, active ingredient B are flufenacet.
Inventor is found by experiment that above-mentioned Herbicidal combinations synergy is apparent, it is often more important that amount of application is reduced, and reduction makes
Contain that component A is different from the compound structure type of component B, and mechanism of action is different with cost, the two compounding can expand weeding
Spectrum, and generation and the development speed of Weed Resistance can be delayed to a certain extent, and no interactions between component A and component B
Resistance.
The active ingredient of the present composition can include only A and B, can also be in the base for not influencing composition overall performance
On plinth, other active ingredients are further included.
In a kind of scheme, the You of Herbicidal combinations of the present invention imitates Cheng metamifop and the weight ratio of flufenacet is
30~1：1~30.
You effect Cheng Fen metamifops and the weight ratio of flufenacet are 20~1 in a kind of preferred embodiment：1~20, another
In a kind of scheme, the You effect Cheng Fen metamifops of Herbicidal combinations of the present invention and the weight ratio of flufenacet are 10~1：1~
10。
In a kind of preferred scheme, the weight ratio between two component of A and B can be arbitrarily in the range of following proportionings
It is adjusted：30：1、29：1、28：1、27：1、26：1、25：1、24：1、23：1、22：1、21：1、20：1、19：1、18：1、17：
1、16：1、15：1、14：1、13：1、12：1、11：1、10：1、9：1、8：1、7：1、6：1、5：1、4：1、3：1、2：1、1：1、1：2、
1：3、1：4、1：5、1：6、1：7、1：8、1：9、1：10、1：11、1：12、1：13、1：14、1：15、1：16、1：17、1：18、1：
19、1：20、1：21、1：22、1：23、1：24、1：25、1：26、1：27、1：28、1：29、1：30, it can also be in any of the above two
A proportioning is selected in the range of forming.
The composition of the present invention dosage form pesticide-acceptable can be made jointly by active ingredient and insecticides adjuvant.
The mass content of active ingredient can be 2~95%, preferably 5~80% in the composition of the present invention.
Can include carrier, auxiliary agent and/or surfactant in the present composition.It can be mixed during application
Common auxiliary agent.
Suitable auxiliary agent can be solid or liquid, they are typically common substance during formulation, such as day
Right or regenerated minerals, solvent, dispersant, wetting agent, adhesive, thickener, adhesive or fertilizer.
The method of administration of the present composition includes that the composition of the present invention is used for the aerial part of plant growth, especially
It is leaf portion or blade face.The growth place of plant, such as rice field can be soaked with the liquid preparation of composition, or by composition
It is applied in soil in solid form, such as in granular form (soil application), composition can be entered by soil through plant root
In plant (systemic action).
These compositions can include only that active constituent (also known as active ingredient) is administered, can also with additive or
Auxiliary agent mixes together, therefore the composition of the present invention can be prepared into various dosage forms, for example, wettable powder, suspending agent,
Dispersible oil-suspending agent, aqueous emulsion, missible oil, microemulsion, water dispersible granules etc..According to the property and administration group of these compositions
Object institute's purpose to be achieved and ambient conditions are closed, can be selected composition to spray, atomizing, be dusted, broadcast sowing or sprinkle and pour etc. it
The method of class is applied.
Can by known method can by the present invention composition be prepared into various dosage forms, such as can by active ingredient with help
Agent can uniformly mix together with surfactant when needing, grind, be prepared into required dose such as solvent, solid carrier
Type.
Above-mentioned solvent can be selected from aromatic hydrocarbon, preferably contain 8-12 carbon atom, such as xylene mixture or substituted benzene, phthalein
Esters of gallic acid, if Dibutyl phthalate or phthalandione two are sad, fat hydrocarbon, such as thiacyclohexane or paraffin, the ether of alcohol and ethylene glycol and they
And ester, such as ethyl alcohol, ethylene glycol, ethylene glycol monomethyl；Ketone, such as cyclohexanone, highly polar solvent, such as N- methyl -2- pyrrolidines
Ketone, dimethyl sulfoxide (DMSO) or dimethylformamide and vegetable oil or vegetable oil, such as soybean oil.
Above-mentioned solid carrier, such as pulvis and dispersible dose of typically natural mineral fillers, such as talcum, kaolinite
Soil, montmorillonite or atlapulgite.In order to manage the physical property of composition, polymolecularity silicic acid or polymolecularity can also be added
Adsorpting polymerization object carrier, such as granulated adsorptive carriers or non-adsorbed carrier, suitable granulated adsorptive carriers are porous types, it is such as floating
Stone, bentonite or bentonite；Suitable non-adsorbed carrier such as calcite or sand.Further, it is possible to use a large amount of inorganic in nature or having
The prefabricated material to granulate of machine property is as carrier, especially dolomite.
The chemical property of active ingredient in composition according to the present invention, suitable surfactant are sulfomethylated lignin
Acid, naphthalene sulfonic acids, phenolsulfonic acid, alkali salt or amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, fat
Alcohol sulfate, aliphatic acid and sulphated fatty alcohol glycol ether, the also condensation product of sulfonated naphthalene and naphthalene derivatives and formaldehyde, naphthalene or
The condensation product of naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, ethoxylated isooctyl-phenol, octyl phenol, nonyl phenol,
Alkylaryl polyglycol ether, tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol,
Ethoxylated castor oil, polyoxyethylene alkyl ether, ethylene oxide condensation product, ethoxylation polyoxypropylene, bay acid polyethylene glycol
Ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
Two kinds of active ingredients show as synergistic effect in the composition of the present invention, and the activity of the composition is than using individualized
The independent activity of the expected summation of activity and single compound of closing object is more notable.Synergistic effect shows as allowing amount of application
Reduction, broader weeding control spectrum, quick, more longlasting control effect, by only once or a small number of several times using more preferable
Control weeds and broaden the possible administration interval time.These characteristics are to prevent and kill off in control weeds practice process especially
It needs.
In terms of the Herbicidal combinations of the present invention can be applicable to agriculture field prevention crop weeds, especially prevent successively
Grass, wild oat, lady's-grass He Wang are careless.
The other features of the Herbicidal combinations of the present invention shown are mainly shown as：1, due to two lists of this composition
Agent chemical constitution is widely different, and the mechanism of action is entirely different, and cross resistance is not present, and two single dose exclusive uses can be delayed to be produced
Raw resistance problem；2, composition of the invention is good to crop safety, preventive effect.Tests prove that herbicidal composition of the present invention
Chemical property is stablized, and synergy is notable, and apparent synergy and complementation are shown to controlling object.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention, any modifications, equivalent replacements and improvementsmade within the spirit and principles of the invention, etc. should be included in
Within protection scope of the present invention.
Percentage is weight percentage in all formulas of following embodiment.The processing work of the various preparations of the present composition
Skill is the prior art, can be varied from according to different situations.
One, dosage form prepares embodiment
(1) processing of missible oil and embodiment
Huo Cheng Fen metamifops and flufenacet, emulsifier and solvent etc. are sufficiently mixed in proportion, you can.
Embodiment 1:12.6% metamifop flufenacet missible oil (20:1)
Metamifop 12%, flufenacet 0.6%, alkylaryl polyglycol ether 10%, dimethyl sulfoxide (DMSO) 5%, first
Benzene complements to 100%.
Embodiment 2:24.8% metamifop flufenacet missible oil (1:30)
Metamifop 0.8%, flufenacet 24%, lignin sulfite waste liquor 12%, diphenyl phenol polyethenoxy
Polyformaldehyde condensation product 8%, soybean oil complements to 100%.
(2) processing of suspending agent and embodiment
By each components such as Huo Cheng Fen metamifops and flufenacet, dispersant, wetting agent, thickener and water by formula
Ratio be uniformly mixed, after sand milling and/or high speed shear, obtain semi-finished product, mended after analysis and be mixed with water and filter to obtain the final product
Finished product.
Embodiment 3：9.9% metamifop flufenacet suspending agent (10:1)
Metamifop 9%, flufenacet 0.9%, glycerine 5%, ammonium sulfate 4%, spaonin powder 5%, hydroxymethyl cellulose
1%, water complements to 100%.
Embodiment 4：21% metamifop flufenacet suspending agent (1:20)
Metamifop 1%, flufenacet 20%, aluminium-magnesium silicate 1.3%, ethylene glycol 6%, alkyl phenol polyoxyethylene ether
5%, urea 3%, water complements to 100%.
Embodiment 5：46.5% metamifop flufenacet suspending agent (30:1)
Metamifop 45%, flufenacet 1.5%, xanthans 2%, propylene glycol 6%, castor oil ethylene oxide adduct
9%, bentonite 4%, water complements to 100%.
(3) processing of microemulsion and embodiment
By each components such as Huo Cheng Fen metamifops and flufenacet, surfactant, stabilizer, water by the ratio of formula
Example is uniformly mixed and gets product.
Embodiment 6：10% metamifop flufenacet microemulsion (1:1)
Metamifop 5%, flufenacet 5%, sulphated fatty alcohol glycol ether 5%, polyvinyl alcohol 8%, ethylene glycol
7%, water complements to 100%.
Embodiment 7：33% metamifop flufenacet microemulsion (1:10)
Metamifop 3%, flufenacet 30%, alkylbenzene naphthalene sulfonate 10%, cyclohexanone 12%, water complements to
100%.
Two, drug effect verification test
(1) Assays Example
Using metamifop as standard agent, disease index and control effect are calculated.Control effect is converted into probability
It is worth (y), liquor strength (μ g/ml) is converted into logarithm (x), concentration in being calculated virulence equation with least square method and inhibited
EC50 calculates the toxicity index and co-toxicity coefficient (CTC) of medicament according to Sun Yunpei's Method.Toxicity test the results are shown in Table 1.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) * 100
Percentage composition+B medicament toxicity index * the mixtures of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixtures
The percentage composition of middle B
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] * 100
CTC≤80, composition show as antagonism, 80 ＜ CTC ＜ 120, and composition shows as summation action, and CTC >=
120, composition shows as synergistic effect.
1, metamifop and flufenacet compounding test (one) to the toxicity test of lady's-grass grass
1 metamifop of table is compounded with flufenacet different ratio and is analyzed the toxicity test of lady's-grass grass
As a result (table 1) shows metamifop with flufenacet in proportioning 30~1：Between 1~30, co-toxicity coefficient exists
120 or more, Ming metamifops of Shuoing compound preventing and kill off with significant synergistic function to lady's-grass grass with flufenacet.
2, metamifop and flufenacet compounding test (two) to the toxicity test of wild oat
2 metamifop of table compounds the toxicity test interpretation of result to wild oat with flufenacet
As a result (table 2) shows metamifop with flufenacet in proportioning 30~1：Between 1~30, co-toxicity coefficient exists
145 or more, Ming metamifops of Shuoing compound preventing and kill off with significant synergistic function to wild oat weeds with flufenacet.
(2) field control effectiveness test
1, using embodiment produced by the present invention come the field control effect of Yan Zheng metamifops and flufenacet.
It is expected that preventive effect (%)=X+Y-XY/100 (wherein, X, Y are single dose preventive effect)
3. metamifop of table is compounded to Drilgrass with flufenacet He the field efficiency test result of Wang grass
Measurement result (table 3) shows that metamifop is compounded to controlling weeds Drilgrass with flufenacet He Wang grass is prevented
Effect significantly improves, and illustrates the two compounding to weeds Drilgrass He Wang grass has significant synergistic function.
Claims (10)
1. a kind of Herbicidal combinations with synergistic effect, it is characterised in that imitate Cheng Fen metamifops containing You in the composition
And flufenacet.
2. Herbicidal combinations according to claim 1, it is characterised in that the You effect Cheng Fen metamifops and fluorine thiophene grass
The weight ratio of amine is 30~1：1~30.
3. Herbicidal combinations according to claim 2, it is characterised in that the You effect Cheng Fen metamifops and fluorine thiophene grass
The weight ratio of amine is 20~1：1~20.
4. Herbicidal combinations according to claim 3, it is characterised in that the You effect Cheng Fen metamifops and fluorine thiophene grass
The weight ratio of amine is 10~1：1~10.
5. Herbicidal combinations according to claim 1, it is characterised in that the composition is total to by active ingredient and insecticides adjuvant
It is same that dosage form pesticide-acceptable is made.
6. Herbicidal combinations according to claim 5, it is characterised in that the mass content of active ingredient is 2 in the composition
~95%.
7. Herbicidal combinations according to claim 6, it is characterised in that the mass content of active ingredient is 5 in the composition
~80%.
8. Herbicidal combinations according to claim 5, it is characterised in that the dosage form is suspending agent, microemulsion or missible oil.
9. purposes of the Herbicidal combinations described in claim 1 in terms of agriculture field prevents crop weeds.
10. purposes according to claim 9, it is characterised in that the weeds are selected from Drilgrass, wild oat, lady's-grass He Wang
Grass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676715.2A CN108338174A (en) | 2017-08-09 | 2017-08-09 | The Herbicidal combinations of Han You metamifops and flufenacet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710676715.2A CN108338174A (en) | 2017-08-09 | 2017-08-09 | The Herbicidal combinations of Han You metamifops and flufenacet |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102812961A (en) * | 2012-09-10 | 2012-12-12 | 江苏辉丰农化股份有限公司 | Weeding composition with synergistic effect |
| CN105104375A (en) * | 2015-08-14 | 2015-12-02 | 京博农化科技股份有限公司 | Glycerine-containing herbicidal composition |
| CN105794826A (en) * | 2016-04-20 | 2016-07-27 | 青岛瀚生生物科技股份有限公司 | Herbicidal composition containing metamifop and cafenstrole and application of herbicidal composition |
| CN106259357A (en) * | 2016-08-08 | 2017-01-04 | 江苏辉丰农化股份有限公司 | There is the Herbicidal combinations of potentiation |
| CN106259356A (en) * | 2016-08-08 | 2017-01-04 | 江苏辉丰农化股份有限公司 | There is the Herbicidal combinations of potentiation |
| CN106386817A (en) * | 2016-08-31 | 2017-02-15 | 江苏辉丰农化股份有限公司 | Weeding composition with synergism |
-
2017
- 2017-08-09 CN CN201710676715.2A patent/CN108338174A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102812961A (en) * | 2012-09-10 | 2012-12-12 | 江苏辉丰农化股份有限公司 | Weeding composition with synergistic effect |
| CN105104375A (en) * | 2015-08-14 | 2015-12-02 | 京博农化科技股份有限公司 | Glycerine-containing herbicidal composition |
| CN105794826A (en) * | 2016-04-20 | 2016-07-27 | 青岛瀚生生物科技股份有限公司 | Herbicidal composition containing metamifop and cafenstrole and application of herbicidal composition |
| CN106259357A (en) * | 2016-08-08 | 2017-01-04 | 江苏辉丰农化股份有限公司 | There is the Herbicidal combinations of potentiation |
| CN106259356A (en) * | 2016-08-08 | 2017-01-04 | 江苏辉丰农化股份有限公司 | There is the Herbicidal combinations of potentiation |
| CN106386817A (en) * | 2016-08-31 | 2017-02-15 | 江苏辉丰农化股份有限公司 | Weeding composition with synergism |
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Application publication date: 20180731 |