CN106561659B - A kind of effective component is the Herbicidal combinations of diflufenican and pretilachlor - Google Patents
A kind of effective component is the Herbicidal combinations of diflufenican and pretilachlor Download PDFInfo
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- CN106561659B CN106561659B CN201610908322.5A CN201610908322A CN106561659B CN 106561659 B CN106561659 B CN 106561659B CN 201610908322 A CN201610908322 A CN 201610908322A CN 106561659 B CN106561659 B CN 106561659B
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- diflufenican
- pretilachlor
- herbicidal combinations
- effective component
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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
- A01N43/34—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
-
- 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
- A01N37/22—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 the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
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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 the Herbicidal combinations that a kind of effective component is diflufenican and pretilachlor, the weight ratio of effective component diflufenican and pretilachlor can be 1:0.03~30 in the composition.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, tool
Saying for body is to be related to the Synergistic herbicide compositions that a kind of effective component is diflufenican and pretilachlor.
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.
Active component pretilachlor (pretilachlor) is that have highly selective paddy field herbicides special.Pretilachlor category
2- acetyl chloride replaces phenyl amines herbicide, is cell division inhibitor, can prevent and kill off barnyard grass in paddy field, special-shaped Sha for soil treatment
Grass, needle spikesedge herb, Monochoria vaginalis, alisma canaliculatum etc..3~5d is used usually before rice transplanting.To wet slotting rice selective when the product list is applied
It is poor, there is fabulous selectivity to straight cutting rice when being used together with fenclorim.To rice safety, broad weed-killing spectrum.Ruderal species
Son absorbs medicament in germination process, and root absorption is poor.It can only make soil treatment before 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 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, in the composition, effective component is pyrrole fluorine acyl
Careless amine and pretilachlor.
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.The compound structure type of two components is different, and mechanism of action is different, and the two compounding can expand herbicidal spectrum, and
It can delay generation and the development speed of Weed Resistance, and no interactions resistance between two components to a certain extent.
In a kind of scheme, the effective component diflufenican of Herbicidal combinations of the present invention and the weight ratio of pretilachlor are 1:
0.05~20.
In another scheme, the effective component diflufenican of Herbicidal combinations of the present invention and the weight ratio of pretilachlor are
1:0.06~15.
In another scheme, the effective component diflufenican of Herbicidal combinations of the present invention and the weight ratio of pretilachlor are
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: 1:0.05,1:0.06,1:0.07,1:0.08,1:0.09,1:0.1,1:0.2,1:0.3,1:0.4,1:0.5,1:
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 can also be matched at any of the above two composed by range into
Row selection, it also may include molar ratio that these ratios, which can be understood as the ratio or mass ratio of weight and volume,.
Dosage form pesticide-acceptable can be made by effective component and insecticides adjuvant in composition of the invention jointly.
The mass percentage of effective component can be 5~90%, preferably 10~80% 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 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).
Composition of the invention can be processed into the preparation of various dosage forms with fertilizer, or be co-administered with fertilizer or mixed.
Suitable fertilizer includes: inorganic fertilizer or organic fertilizer, and specific fertilizer such as contains a large amount of members of one or more of nitrogen, phosphorus, potassium
Element, or containing one or more of copper, iron, manganese, zinc, boron, calcium, magnesium, sulphur etc. microelement, or contain humic acid, amino acid
At least one mixture of equal fertilizer.
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, 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 choose composition to be sprayed, atomizing, dust, broadcast sowing or sprinkle the side poured or the like
Method 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, ox hair is especially prevented and treated
Felt, mexicana, firefly Lin, Herba panici repentics.
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 wettable powder
Active constituent diflufenican and active constituent pretilachlor and various auxiliary agents and filler etc. are sufficiently mixed in proportion,
Wettable powder is made after ultra-fine pulverizer disintegrating.
Embodiment 1:21% diflufenican pretilachlor wettable powder
Diflufenican 20%, pretilachlor 1%, sodium lignin sulfonate 5%, alkylsulfonate 6%, white carbon black 10% are high
Ridge soil complements to 100%.
Embodiment 2:33% diflufenican pretilachlor wettable powder
Diflufenican 3%, pretilachlor 30%, sodium lignin sulfonate 6%, white carbon black 4%, NONIN HS 240
2%, diatomite complements to 100%.
Embodiment 3:64% diflufenican pretilachlor wettable powder
Diflufenican 4%, pretilachlor 60%, sodium sulfonate 5%, methyl naphthalene sulfonate formaldehyde condensate 4%, bentonite
4%, white carbon black complements to 100%.
(2) processing and embodiment of water dispersible granules
Active constituent diflufenican and pretilachlor, auxiliary agent and filler are mixed according to the formula uniformly, through air-flow powder
It is broken into wettable powder, adds a certain amount of water mixing extrusion granulation, water dispersible granules product is made after dry screening.
Embodiment 4:80% diflufenican pretilachlor water dispersible granules
Diflufenican 75%, pretilachlor 5%, methyl naphthalene sulfonate formaldehyde condensate 7%, lauryl sodium sulfate 3%,
Sodium lignin sulfonate 5%, diatomite complements to 100%.
Embodiment 5:50% diflufenican pretilachlor water dispersible granules
Diflufenican 25%, pretilachlor 25%, methyl naphthalene sulfonate formaldehyde condensate 2%, organic silicone 2%, seaweed
Sour sodium 4%, ammonium sulfate 2%, bentonite complements to 100%.
Embodiment 6:30% diflufenican pretilachlor water dispersible granules
Diflufenican 25%, pretilachlor 5%, Negel 2%, ammonium sulfate 3%, dodecyl sodium sulfate 7%,
Precipitated calcium carbonate complements to 100%.
(3) processing and embodiment of suspending agent
By active constituent diflufenican and each components such as pretilachlor and 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 7:11% diflufenican pretilachlor suspending agent
Diflufenican 10%, pretilachlor 1%, xanthan gum 1%, bentonite 5%, aluminum magnesium silicate 5%, ethylene glycol 4%, wood
Quality sodium sulfonate 5%, water complements to 100%.
Embodiment 8:42% diflufenican pretilachlor suspending agent
Diflufenican 2%, pretilachlor 40%, bentonite 4%, ethylene glycol 6%, methyl naphthalene sulfonate formaldehyde condensate
7%, water complements to 100%.
Embodiment 9:24% diflufenican pretilachlor suspending agent
Diflufenican 4%, pretilachlor 20%, glycerine 7%, white carbon black 4%, sodium benzoate 3%, fatty alcohol polyoxy second
Alkene ether phosphate 7%, water complements to 100%.
Two, drug effect verification test
(1) Assays Example
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 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 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 long awns barnyard grass with pretilachlor
1 diflufenican of table is compounded with pretilachlor different ratio analyzes (one) to the toxicity test of long awns barnyard grass
As a result (table 1) shows diflufenican and pretilachlor between proportion 1~20:1~20, and co-toxicity coefficient is shown
Higher numerical value, illustrates that diflufenican compounds preventing and kill off with significant synergistic function to long awns barnyard grass with pretilachlor.
Experiment discovery, when the proportion of diflufenican and pretilachlor not within the scope of the invention when, the two is difficult to have to long awns barnyard grass
Synergistic function.
2, diflufenican compounds pair with pretilachlorAlisma canaliculatumToxicity test test (two)
2 diflufenican of table compounds the toxicity test interpretation of result to alisma canaliculatum with pretilachlor
As a result (table 2) shows diflufenican and pretilachlor between proportion 1~20:1~20, and co-toxicity coefficient is shown
Higher level is gone out, has illustrated that diflufenican compounds preventing and kill off with significant synergistic work to alisma canaliculatum with pretilachlor
With.Experiment discovery, when the proportion of diflufenican and pretilachlor not within the scope of the invention when, the two is difficult alisma canaliculatum
With synergistic function.
(2) field control effectiveness test
1, the field control effect of diflufenican and pretilachlor 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 wart grass and three river scirpus triqueters with pretilachlor
Measurement result (table 3) shows that diflufenican is compounded with pretilachlor and prevents controlling weeds wart grass and three river scirpus triqueters
Effect significantly improves, and illustrates that the two compounding has significant synergistic function to wart grass and three river scirpus triqueters.
Claims (10)
1. a kind of Herbicidal combinations with synergistic effect, it is characterised in that the effective component in the composition is diflufenican
And pretilachlor, the weight ratio of diflufenican and pretilachlor are 1:0.05~20.
2. Herbicidal combinations according to claim 1, it is characterised in that the effective component diflufenican and pretilachlor
Weight ratio be 1:0.06~15.
3. Herbicidal combinations according to claim 2, it is characterised in that the effective component diflufenican and pretilachlor
Weight ratio be 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 quality percentage of effective component contains in the composition
Amount is 5~90%.
6. Herbicidal combinations according to claim 5, it is characterised in that the quality percentage of effective component contains in the composition
Amount is 5~80%.
7. Herbicidal combinations described according to claim 1~any one of 6, it is characterised in that the composition is agriculturally to permit
Perhaps any formulations of pesticide.
8. Herbicidal combinations according to claim 7, it is characterised in that the dosage form is wettable powder, suspending agent or water
Dispersible granule.
9. purposes of the Herbicidal combinations described in claim 1 in agriculture field prevention and treatment crop weeds.
10. purposes according to claim 9, it is characterised in that the preferred cyperus iria of the weeds, hard bran barnyard grass.
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| CN112931518A (en) * | 2021-02-03 | 2021-06-11 | 安徽润农腾辉生物科技有限公司 | Ternary weeding composition containing xaflufen-ethyl |
| CN112931511A (en) * | 2021-02-05 | 2021-06-11 | 侨昌现代农业有限公司 | Method for closing weeds in wheat field |
| CN116998487A (en) * | 2023-07-19 | 2023-11-07 | 镇江先锋植保科技有限公司 | Microcapsule containing pretilachlor and diflufenican as well as preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834629A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN102326551A (en) * | 2011-07-11 | 2012-01-25 | 陕西美邦农药有限公司 | Weeding composition containing diflufenican |
| CN103947666A (en) * | 2014-03-21 | 2014-07-30 | 江苏省农业科学院 | Herbicide composition containing chlortoluron, pretilachlor and diflufenican and use thereof |
| CN103947665A (en) * | 2014-03-21 | 2014-07-30 | 江苏省农业科学院 | Herbicide composition containing isoproturon, pretilachlor and diflufenican and use thereof |
-
2016
- 2016-10-18 CN CN201610908322.5A patent/CN106561659B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834629A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN102326551A (en) * | 2011-07-11 | 2012-01-25 | 陕西美邦农药有限公司 | Weeding composition containing diflufenican |
| CN103947666A (en) * | 2014-03-21 | 2014-07-30 | 江苏省农业科学院 | Herbicide composition containing chlortoluron, pretilachlor and diflufenican and use thereof |
| CN103947665A (en) * | 2014-03-21 | 2014-07-30 | 江苏省农业科学院 | Herbicide composition containing isoproturon, pretilachlor and diflufenican and use thereof |
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Effective date of registration: 20210202 Address after: 224100 south of Wei'er road and jing'er Road, Biotechnology Park, Port Economic Zone, Dafeng District, Yancheng City, Jiangsu Province Patentee after: Andao maihuifeng (Jiangsu) Co.,Ltd. Address before: 224100 South Head of Wanggang Gate, Dafeng District, Yancheng City, Jiangsu Province Patentee before: JIANGSU HUIFENG BIO AGRICULTURE Co.,Ltd. |