CN106359407B - Herbicidal combinations with synergistic effect - Google Patents
Herbicidal combinations with synergistic effect Download PDFInfo
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- CN106359407B CN106359407B CN201610637465.7A CN201610637465A CN106359407B CN 106359407 B CN106359407 B CN 106359407B CN 201610637465 A CN201610637465 A CN 201610637465A CN 106359407 B CN106359407 B CN 106359407B
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- herbicidal combinations
- oxaziclomefone
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- diflufenican
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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
- A01N43/86—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 one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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 kind of Herbicidal combinations with synergistic effect, effective component diflufenican is contained in the composition He oxaziclomefone.The weight ratio of effective component diflufenican and oxaziclomefone can be 1：0.03~30.Pharmacodynamic test shows that the composition has the characteristics that with strong complementarity, synergistic effect is obvious, degrass 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 with the Herbicidal combinations for improving performance.
Background technique
Active component diflufenican (diflufenican) medicine belongs to herxheimer-liked reaction inhibitor.Cause
Destruction of Chlorophyll and cell rupture, Plant death.Diflufenican is a kind of acetamide-group herbicides, is applied before and after weeds germination
The medicine soil layer of anti-leaching can be formed in native table, keep activity in crop entire growth period.When weed germination passes through medicine soil layer young shoot
Or root system can absorb medicament, diflufenican, which has, inhibits herxheimer-liked reaction effect, absorbs the weeds plant of medicament
Middle carotenoid content decline, causes chlorophyll to be destroyed, and membranolysis, weeds then show as young shoot decoloration or white, most
Whole strain is wilted dead afterwards.
Oxaziclomefone (oxaziclomefone) is new plant growth inhibitor, influences cell elongation.Oxaziclomefone is
Inner-adsorption conduction-type herbicide, activity is high, dosage is low, to crop and Environmental security.It is happy that its action symptom is similar to dichlobenil, ammonia sulphur
Spirit and cinmethylin, but the mode of action is different.Oxaziclomefone mainly prevent and kill off paddy field annual gramineous weed, nutgrass flatsedge and
Some broadleaf weeds etc., including：Difformed galingale herb, rice barnyard grass, barnyard grass, semen euphorbiae, waterwort, needle spikesedge herb, Procumbent Falsepimpernel, Monochoria vaginalis
With mexicana etc..For after paddy field, medicament mainly to pass through the root system and cauline leaf basal sink of weeds after bud.
Actual pesticide experience have shown that, repeat and single-minded apply a kind of reactive compound and carry out controlling weeds in many feelings
It will lead to the fast selective of weeds under condition, prevent and treat 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 and treatment
Cost.
Summary of the invention
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 is generated, and reduces amount of application,
Reduce control cost.
It is a further object of the present invention to provide a kind of above-mentioned composition agriculture field controlling weeds application.
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 diflufenican, effective component B Wei oxaziclomefone.
Inventor is found by experiment that above-mentioned Herbicidal combinations synergy is obvious, 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 effective component of the present composition can only include A and B, can also be in the base for not influencing composition overall performance
On plinth, other effective components are further included.
In a kind of scheme, the effective component diflufenican of Herbicidal combinations of the present invention is He the weight ratio of oxaziclomefone is
1：0.03~30.
In another scheme, the weight ratio of the effective component diflufenicans of Herbicidal combinations of the present invention He oxaziclomefone
It is 1：0.05~20.
In another scheme, the weight ratio of the effective component diflufenicans of Herbicidal combinations of the present invention He oxaziclomefone
It is 1：0.1~10.
In a preferred solution, the weight ratio between two component of A and B can be arbitrarily in the range of following proportions
It is adjusted：1：0.03,1：0.04,1：0.05,1：0.06,1：0.07,1：0.08,1：0.09,1：0.1,1：0.2,1：0.3,
1：0.4,1：0.5,1：0.6,1：0.7,1：0.8,1：0.9,1：1,1：2,1：3,1：4,1：5,1：6,1：7,1：8,1：9,1：10,
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 match at any of the above two and be selected in composed range.
Dosage form pesticide-acceptable can be made by effective component and insecticides adjuvant in composition of the invention jointly.
The mass content of effective component can be 2~95%, preferably 5~80% in composition of the invention.
It may 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 usually common substance during formulation, such as day
Right or regenerated minerals, solvent, dispersing agent, wetting agent, adhesive, thickener, adhesive or fertilizer.
The method of administration of the present composition includes the aerial part that composition of the invention is used for plant growth, especially
It is leaf portion or blade face.The frequency and amount of application of application depend on the biology and weather life condition of pathogen.It can be by plant
Growth place, such as rice field is soaked with the liquid preparation of composition, or composition is applied in soil in solid form,
As in granular form (soil application), composition can enter in plant (systemic action) through plant root by soil.
These compositions can only include that active constituent (also known as effective component) is administered, can also with additive or
Auxiliary agent mixes together, therefore composition of the invention can be prepared into various dosage forms, such as suspending agent, dispersible oil suspend
Agent, aqueous emulsion, missible oil, water dispersible granules etc..According to the property of these compositions and application composition purpose to be achieved
And ambient conditions, it can choose composition to be sprayed, atomizing, dust, broadcast sowing or sprinkle the method poured or the like application.
Composition of the invention can be prepared into various dosage forms by known method, such as can by effective component with help
Agent can uniformly mix together with surfactant when needing, grind, be prepared into required agent 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, such as two octanoic acid of Dibutyl phthalate or phthalandione, fat hydrocarbon, such as thiacyclohexane or paraffin, the ether of pure and mild 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 or dimethylformamide and vegetable oil or vegetable oil, such as soybean oil.
Above-mentioned solid carrier, such as usually natural mineral fillers, such as talcum, kaolinite for pulvis and dispersible agent
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 effective component 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, fatty acid and sulphated fatty alcohol glycol ether, there are also the 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, laurel acid polyethylene glycol
Ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
Two kinds of effective components show as synergistic effect in composition of the 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 significant.Synergistic effect shows as allowing amount of application
Reduce, broader weeding control spectrum, quick, more longlasting control efficiency, by only once or a small number of application several times more preferably
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 Herbicidal combinations of the invention can be applicable to agriculture field prevention and treatment crop weeds, Cowhells is especially prevented and treated
The weeds such as grass, bog pondweed, short arrowhead or semen euphorbiae.
The other features of Herbicidal combinations of the invention shown are mainly shown as：1, due to two lists of this composition
Agent chemical structure 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 significant, shows apparent synergy and complementation to controlling object.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention 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 according to different situations.
One, dosage form prepares embodiment
(1) processing and embodiment of water dispersible granules
Active constituent diflufenican Yu oxaziclomefone, auxiliary agent and filler are mixed according to the formula uniformly, through air-flow
It is ground into wettable powder, adds a certain amount of water mixing extrusion granulation, water dispersible granules product is made after dry screening.
Embodiment 1：62% Bi fluorine acyl Cao An oxaziclomefone water dispersible granules
60% , oxaziclomefone 2% of diflufenican, dodecyl sodium sulfate 3%, Negel 6%, ammonium sulfate
3%, precipitated calcium carbonate complements to 100%.
Embodiment 2：62% Bi fluorine acyl Cao An oxaziclomefone water dispersible granules
2% , oxaziclomefone 60% of diflufenican, dodecyl sulphate potassium 4%, methyl naphthalene sulfonate formaldehyde condensate
5%, sodium lignin sulfonate 6%, diatomite complements to 100%.
(2) processing and embodiment of suspending agent
By each components such as active constituent diflufenican Yu oxaziclomefone, dispersing agent, wetting agent, thickener and water by formula
Ratio be uniformly mixed, after sand milling and/or high speed shear, obtain semi-finished product, after analysis water supplement be uniformly mixed filters to obtain the final product
Finished product.
Embodiment 3：55% Bi fluorine acyl Cao An oxaziclomefone suspending agent
50% , oxaziclomefone 5% of diflufenican, Isopropanediol 6%, white carbon black 3%, xanthan gum 1%, bentonite 4%,
Calcium lignosulfonate 5%, aluminum magnesium silicate 4%, water complements to 100%.
Embodiment 4：55% Bi fluorine acyl Cao An oxaziclomefone suspending agent
5% , oxaziclomefone 50% of diflufenican, aluminum magnesium silicate 2%, glycerine 7%, the condensation of methyl naphthalene sulfonic acid sodium formaldehyde
Object 5%, bentonite 4%, water complements to 100%.
(3) processing and embodiment of oil-suspending agent can be dispersed
Surfactant is mixed etc. with oil base and to be sufficiently mixed in proportion, active constituent pyrrole is added under degree of doing shear agitation
Fluorine acyl grass An, oxaziclomefone, grinds in sand mill, grinds until a certain range of partial size.
Embodiment 5:Oil-suspending agent can be dispersed in 25% Bi fluorine acyl Cao An oxaziclomefone
20% , oxaziclomefone 5% of diflufenican, xanthan gum 1%, calcium lignosulfonate 8%, mineral oil complements to
100%.
Embodiment 6:Oil-suspending agent can be dispersed in 25% Bi fluorine acyl Cao An oxaziclomefone
Diflufenican 5%, oxaziclomefone 20%, N- repefral 3%, alkyl polyoxyethanyl ether sulfonate
4%, soybean oil complements to 100%.
(4) processing and embodiment of aqueous emulsion
Active constituent diflufenican is uniformly mixed under mechanical stirring Yu oxaziclomefone, solvent, auxiliary agent, is then put into
Emulsifier and stabilizer stir evenly, and are eventually adding water, stir 10-30 minutes, make under 100-12000 revs/min of revolving speed
The product as uniform emulsus.
Embodiment 7：42% Bi fluorine acyl Cao An oxaziclomefone aqueous emulsion
40% , oxaziclomefone 2% of diflufenican, polyvinyl alcohol 4%, N- repefral 3%, 2,6- bis- uncles
Butyl -4- methylphenol 4%, propylene glycol 3%, nonyl phenol benzene ethylene oxide ether 3%, sodium benzoate 2%, organic silicon defoamer 1%,
Water complements to 100%.
Embodiment 8：42% Bi fluorine acyl Cao An oxaziclomefone aqueous emulsion
Diflufenican 2%, oxaziclomefone 40%, ethylene glycol 3%, alkyl polyoxyethanyl ether sulfonate 3%, xanthan gum
3%, polyvinyl alcohol 1%, poly- isosuccinic acid acid anhydride-ethylene glycol copolymer 4%, organic silicon defoamer 1.2%, water complements to
100%.
Embodiment 9：10% Bi fluorine acyl Cao An oxaziclomefone aqueous emulsion
5% , oxaziclomefone 5% of diflufenican, butylated hydroxy anisole 5%, propylene glycol 2%, sodium benzoate 0.8%,
Polyvinyl alcohol 2%, methyl naphthalene sulfonate formaldehyde condensate 4%, organic silicon defoamer 1.0%, water complements to 100%.
Two, drug effect verification test
(1) Assays Example 1
Using diflufenican as standard agent, disease index and control efficiency are calculated.Control efficiency is converted into probability
It is worth (y), liquor strength (μ g/ml) is converted into logarithm (x), calculates concentration in virulence equation and inhibition with least square method
EC50 calculates the toxicity index grade 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 mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
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, diflufenican compounds the toxicity test test to paddy field semen euphorbiae Yu oxaziclomefone
1 diflufenican of table is compounded Yu oxaziclomefone different ratio analyzes (one) to the toxicity test of semen euphorbiae
As a result (table 1) shows diflufenican Yu oxaziclomefone in proportion 1~30：Between 1~30, co-toxicity coefficient exists
125 or more, illustrate that diflufenican compounds preventing and kill off with significant synergistic work to paddy field semen euphorbiae Yu oxaziclomefone
With.Experiment discovery, the proportion of two kinds of effective components do not act synergistically to preventing and kill off for paddy field semen euphorbiae in above range.
2, diflufenican is compounded Yu oxaziclomefone tests (two) to the toxicity test of short arrowhead
2 diflufenican of table compounds the toxicity test interpretation of result to short arrowhead Yu oxaziclomefone
As a result (table 2) shows diflufenican Yu oxaziclomefone in proportion 1~30：Between 1~30, co-toxicity coefficient exists
129 or more, illustrate that diflufenican compounds preventing and kill off with significant synergistic function to short arrowhead Yu oxaziclomefone.Experiment
It was found that the proportion of two kinds of effective components does not act synergistically to preventing and kill off for short arrowhead in above range.
(2) field control effectiveness test
1, the field control effect of diflufenican Yu oxaziclomefone 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. diflufenican of table compounds the field efficiency test result to herba eleusines indicae and bog pondweed Yu oxaziclomefone
Measurement result (table 3) shows that diflufenican is compounded Yu oxaziclomefone to controlling weeds Monochoria vaginalis and cyperus iria
Preventive effect significantly improve, both illustrate that compounding has significant synergistic function to weeds herba eleusines indicae and bog pondweed.
Claims (9)
1. a kind of Herbicidal combinations with synergistic effect, it is characterised in that contain effective component diflufenican in the composition
He oxaziclomefone；The effective component diflufenican is He the weight ratio of oxaziclomefone is 1：0.03~30.
2. Herbicidal combinations according to claim 1, it is characterised in that the effective component diflufenican is He oxazine is careless
The weight ratio of ketone is 1：0.05~20.
3. Herbicidal combinations according to claim 2, it is characterised in that the effective component diflufenican is He oxazine is careless
The weight ratio of ketone is 1：0.1~10.
4. Herbicidal combinations according to claim 1, it is characterised in that the composition is total to by effective component and insecticides adjuvant
It is same that dosage form pesticide-acceptable is made.
5. Herbicidal combinations according to claim 4, it is characterised in that the mass content of effective component is 2 in the composition
~95%.
6. Herbicidal combinations according to claim 5, it is characterised in that the mass content of effective component is 5 in the composition
~80%.
7. Herbicidal combinations according to claim 4, it is characterised in that the dosage form is water dispersible granules, aqueous emulsion, hangs
Floating agent or dispersible oil-suspending agent.
8. purposes of the Herbicidal combinations described in claim 1 in terms of agriculture field prevents and treats crop weeds.
9. purposes according to claim 8, it is characterised in that the weeds are selected from herba eleusines indicae, bog pondweed, short arrowhead or thousand
Gold.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105613522A (en) * | 2014-10-30 | 2016-06-01 | 苏州富美实植物保护剂有限公司 | Oxaziclomefone-containing weeding composition |
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| CN105613522A (en) * | 2014-10-30 | 2016-06-01 | 苏州富美实植物保护剂有限公司 | Oxaziclomefone-containing weeding composition |
Non-Patent Citations (2)
| Title |
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| 1% 噁嗪草酮悬浮剂及与其他除草剂混用;高婷等;《杂草科学》;20121231;第30卷(第4期);第30-33页 * |
| 吡啶酰胺类除草剂—吡氟酰草胺;顾群等;《现代农药》;20180228;第9卷(第1期);第42-45页 * |
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