CN108338179A - Containing flucarbazone He the Herbicidal combinations of metamifop - Google Patents
Containing flucarbazone He the Herbicidal combinations of metamifop Download PDFInfo
- Publication number
- CN108338179A CN108338179A CN201710666572.7A CN201710666572A CN108338179A CN 108338179 A CN108338179 A CN 108338179A CN 201710666572 A CN201710666572 A CN 201710666572A CN 108338179 A CN108338179 A CN 108338179A
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- China
- Prior art keywords
- flucarbazone
- herbicidal combinations
- active ingredient
- composition
- metamifop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
-
- 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
Abstract
The invention discloses a kind of Herbicidal combinations with synergistic effect, active ingredient flucarbazone is contained in the composition He metamifop.The weight ratio of active ingredient flucarbazone and metamifop can be 30~1：1~30.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 field, more particularly to it is a kind of have improve performance comprising flucarbazone and
The Herbicidal combinations of metamifop.
Background technology
Flucarbazone (flucarbazone-sodium) is that flucarbazone is sulfonylurea internal-suction type efficient wheat field weeding
Agent has apparent preventive effect to the grassy weeds such as wild oat, bromegrass, amur foxtail and a variety of broadleaf weeds.Flucarbazone its effectively
Ingredient can be absorbed by the root of weeds and cauline leaf, and by inhibiting the activity of acetolactate synthestase in weeds body, it is normal to destroy weeds
Physiological and Biochemical Metabolism and play activity of weeding.Wheat paddock major part grassy weed can be effectively prevented and kill off, while also can effectively be controlled
Part broad leaved weed processed.It can be metabolized quickly in wheat body, there is fabulous safety to wheat.
Metamifop (Metamifop) is a kind of aryloxyphenoxypropanoates class herbicide, and can be fabulous prevent and kill off is most of
Annual gramineous weed, unlike most of such herbicides, metamifop, can be effective to rice, wheat safety
Prevent and kill off barnyard grass, moleplant seed, lady's-grass, eleusine indica, amur foxtail, annual bluegrass etc..Metamifop low toxicity, it is environmentally safe, have extensively
Miscibilty, and be expected to be used for other crops and Kill weeds, be a very promising herbicide.
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 application of the 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 is flucarbazone, active ingredient B Wei metamifops.
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
Use cost.Different from the compound structure type of component B containing component A, mechanism of action is different, and 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 active ingredient flucarbazone of Herbicidal combinations of the present invention is He the weight ratio of metamifop is
30~1：1~30.
In another scheme, the weight ratio of the active ingredient flucarbazone He metamifop of Herbicidal combinations of the present invention
It is 20~1：1~20.
In another scheme, the weight ratio of the active ingredient flucarbazone He metamifop of Herbicidal combinations of the present invention
It is 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, water dispersible granules etc..According to the property of these compositions and application composition institute
Purpose to be achieved and ambient conditions can select composition to spray, atomizing, dust, broadcast sowing or sprinkle the side poured or the like
Method is applied.
Can by known method by the present invention composition be prepared into various dosage forms, such as can by active ingredient and auxiliary agent,
Such as solvent, solid carrier, it can uniformly mix, grind together with surfactant when needing, be prepared into required dosage form.
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, wheat is seen in especially prevention
Ma, Monochoria vaginalis, lady's-grass grass, annual bluegrass or artemisia.
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 water dispersible granules and embodiment
By active component flucarbazone and Huo Zu Fen metamifops, it is mixed according to the formula with auxiliary agent and filler
It is even, through air-flow crushing at wettable powder, a certain amount of water mixing extruder grain is added, is made water-dispersed after dry sieve
Granula product.
Embodiment 1：21% Fu azoles Huang Long metamifops water dispersible granules (20:1)
20% , metamifops 1% of flucarbazone, gelatin 2%, sodium bicarbonate 5%, polyacrylamide 4%, white carbon are mended
Enough to 100%.
Embodiment 2：12.1% Fu azoles Huang Long metamifops water dispersible granules (1:10)
1.1% , metamifops 11% of flucarbazone, bentonite 4%, pull open powder 2%, aluminium chloride 4%, precipitated calcium carbonate
Complement to 100%.
(2) processing of suspending agent and embodiment
It is each with dispersant, wetting agent, antifreezing agent and water etc. by active component flucarbazone and Huo Zu Fen metamifops
Component is mixed according to the formula uniformly, after sand milling and/or high speed shear, obtains semi-finished product, and it is equal that water mixing is added after analysis
Even filtering is got product.
Embodiment 3：12% Fu azoles Huang Long metamifops suspending agent (5:1)
10% , metamifops 2% of flucarbazone, xanthans 5%, sodium lignin sulfonate 8%, toluene 6%, ethylene glycol
5%, water complements to 100%.
Embodiment 4：30% Fu azoles Huang Long metamifops suspending agent (1:5)
5% , metamifops 25% of flucarbazone, carboxymethyl cellulose 5%, methyl naphthalene sulfonate formaldehyde condensate 8%,
Dimethylbenzene 6%, glycerine 5%, water complements to 100%.
(3) processing of aqueous emulsion and embodiment
By active component flucarbazone and Huo Zu Fen metamifops, emulsifier, dispersant, organic solvent, antifreeze
Equal each components, which are mixed according to the formula, uniformly to get product.
Embodiment 5：11% Fu azoles Huang Long metamifops aqueous emulsion (10:1)
10% , metamifops 1% of flucarbazone, alkyl aryl polyether alcohol 10%, polyvinyl alcohol 5%, ammonium sulfate 5%,
Toluene 10%, glacial acetic acid 0.1%, water complements to 100%.
Embodiment 6：25.2% Fu azoles Huang Long metamifops aqueous emulsion (1:20)
1.2% , metamifops 24% of flucarbazone, ethoxylated castor oil 6%, dimethylbenzene 10%, cyclohexanone 10%,
Urea 5.0%, glacial acetic acid 0.05%, water complements to 100%.
(4) processing of missible oil and embodiment
By each components such as active component flucarbazone and Huo Zu Fen metamifops, emulsifier, organic solvent by formula
Ratio be uniformly mixed get product.
Embodiment 7：10% Fu azoles Huang Long metamifops missible oil (1:1)
5% , metamifops 5% of flucarbazone, ethylene oxide condensation product 15%, cyclohexanone complements to 100%.
Embodiment 8：15.5% Fu azoles Huang Long metamifops missible oil (1:30)
0.5% , metamifops 15% of flucarbazone, lauric acid polyglycol ether contracting an aromatic plant metioned in ancient books 10%, dimethylbenzene complements to
100%.
Embodiment 9：31% Fu azoles Huang Long metamifops missible oil (30:1)
30% , metamifops 1% of flucarbazone, alkyl aryl polyether alcohol 10%, polyvinyl alcohol 5%, mineral oil is supplied
To 100%.
Two, drug effect verification test
(1) Assays Example
Using flucarbazone as standard agent, disease index and control effect are calculated.Control effect is converted into niqueMin
(y), liquor strength (μ g/ml) is converted into logarithm (x), concentration EC50 in being calculated virulence equation with least square method and inhibited,
The toxicity index and co-toxicity coefficient (CTC) of medicament are calculated 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, flucarbazone Yu metamifops compounding tests the toxicity test of amur foxtail
1 flucarbazone Yu metamifop different ratios of table, which compound, analyzes the toxicity test of amur foxtail
As a result (table 1) shows flucarbazone Yu metamifops in proportioning 30~1：Between 1~30, co-toxicity coefficient exists
120 or more, illustrate that flucarbazone Yu metamifops compound preventing and kill off with significant synergistic function to amur foxtail.
2, flucarbazone Yu metamifops compounding tests the toxicity test of Monochoria vaginalis
2 flucarbazone Yu metamifops of table compound the toxicity test interpretation of result to Monochoria vaginalis
As a result (table 2) shows flucarbazone Yu metamifops in proportioning 30~1：Between 1~30, co-toxicity coefficient exists
120 or more, illustrate that flucarbazone Yu metamifops compound preventing and kill off with significant synergistic function to Monochoria vaginalis.
(2) field control effectiveness test
1, the field control effect of flucarbazone Yu metamifops is verified using embodiment produced by the present invention.
It is expected that preventive effect (%)=X+Y-XY/100 (wherein, X, Y are single dose preventive effect)
3. flucarbazone Yu metamifops of table compound the field efficiency test result to annual bluegrass and Descurainia sophia
Measurement result (table 3) shows flucarbazone Yu metamifops compounding to controlling weeds annual bluegrass and Descurainia sophia
Preventive effect significantly improves, and illustrates that the two compounding has significant synergistic function to weeds annual bluegrass and Descurainia sophia.
Claims (10)
1. a kind of Herbicidal combinations with synergistic effect, it is characterised in that in the composition containing active ingredient flucarbazone and
Metamifop.
2. Herbicidal combinations according to claim 1, it is characterised in that the active ingredient flucarbazone is He oxazole acyl grass
The weight ratio of amine is 30~1：1~30.
3. Herbicidal combinations according to claim 2, it is characterised in that the active ingredient flucarbazone is He oxazole acyl grass
The weight ratio of amine is 20~1：1~20.
4. Herbicidal combinations according to claim 3, it is characterised in that the active ingredient flucarbazone is He oxazole acyl 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, water dispersible granules, water
Emulsion 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 lady's-grass grass, amur foxtail, annual bluegrass, duck
Tongue grass and Descurainia sophia.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112006024A (en) * | 2020-08-31 | 2020-12-01 | 江苏富田农化有限公司 | Method, device and composition for controlling weeds |
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Application publication date: 20180731 |