CN108935479B - Mixed herbicide containing halauxifen-methyl and triafamone and application thereof - Google Patents
Mixed herbicide containing halauxifen-methyl and triafamone and application thereof Download PDFInfo
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- CN108935479B CN108935479B CN201810893163.5A CN201810893163A CN108935479B CN 108935479 B CN108935479 B CN 108935479B CN 201810893163 A CN201810893163 A CN 201810893163A CN 108935479 B CN108935479 B CN 108935479B
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- Prior art keywords
- meptyl
- fluroxypyr
- triafamone
- weeds
- methyl
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
Abstract
The invention provides a mixed herbicide containing halauxifen-methyl and triafamone and application thereof; the active ingredients consist of fluroxypyr-meptyl and flurtamone, and the weight ratio of the fluroxypyr-meptyl to the flurtamone is 1-40: 1-40; can be used for preventing and treating broadleaf weeds, gramineous weeds and nutgrass flatsedge.
Description
Technical Field
The invention belongs to the field of pesticides, and particularly relates to a mixed herbicide containing halauxifen-methyl and triafamone and application thereof.
Background
The fluroxypyridine ester is a novel aryl picolinic acid herbicide, is a second novel compound in the herbicides following the fluroxypyridine ester, and can effectively prevent and kill gramineous weeds such as barnyard grass, paspalum, cockspur grass, moleplant seed and the like in a paddy field, cyperaceae weeds such as cyperus rotundus, cyperus esculentus, cyperus rotundus and day-light fimbristylis, broad-leaved weeds such as piemarker, rhizoma alismatis, amaranth, ragweed, chenopodium album, horseweed herb, mother grass, ludwigia octovalvis, monochoria indica, xanthium sibiricum and the like. After the herbicide is applied, the herbicide is absorbed by the leaves and root systems of the weeds, has systemic property, can be conducted through xylem and phloem, and is accumulated in meristems of the weeds, so that the herbicidal activity is exerted. Due to the novel action mechanism, the weed herbicide can solve the known weed resistance problem, is environment-friendly and is safe to other organisms.
The fluoroketosulam has an action mechanism similar to that of sulfonylureas and imidazolone herbicides, is used for preventing and removing various gramineous weeds and broad leaf weeds such as barnyard grass, alopecurus macrorhizus, polygonum hydropiper and the like, has obvious control effect, and is safe to rice and common wheat.
The compounding of the herbicides can solve the problems of high toxicity and poor effect of a single pesticide, the investment is low, the research and development period is short, the generation of drug resistance of an agent can be delayed by the interactive use of different pesticides, and the herbicide has an ideal use effect, so that the compounding of the pesticides with different action mechanisms is a research hotspot in the field of pesticides at present. In the prior art, a compound weeding composition of fluroxypyr-meptyl and triafamone is not available.
Disclosure of Invention
The invention aims to provide a herbicide composition which has reasonable components, low application cost and difficult drug resistance, has better control effect on gramineous weeds, broadleaf weeds and nutgrass flatsedge, and has positive effects on the aspects of retarding the resistance of the weeds, reducing the dosage of the drugs and the like.
The present invention provides the following technical solutions
The active ingredients of the mixed herbicide containing the halauxifen-methyl and the triafamone consist of the halauxifen-methyl and the triafamone, and the weight ratio of the halauxifen-methyl to the triafamone is 1-20: 1-20.
The weight ratio of the fluroxypyr-meptyl to the flumetsulam is 2-12: 1-10. Preferably, the weight ratio of the fluroxypyr-meptyl to the flurtamoxifen is 2: 1.
The total weight percentage of the fluroxypyr-meptyl and the flumetsulam in the mixed herbicide is 5-85%. Preferably, the total weight percentage of the fluroxypyr-meptyl and the flurtamoxifen in the composition is 20-65%.
The weeding composition provided by the invention can be prepared into various application formulations suitable for agriculture by a known method, such as one of wettable powder, suspending agent, microemulsion, aqueous emulsion, water dispersible granules, missible oil, suspoemulsion, dispersible oil suspending agent, granules and the like. The better preparation forms comprise suspending agents, oil suspending agents, water dispersible granules, wettable powder and the like, and the production process of various application preparation forms belongs to the prior known technology.
The suspending agent comprises the following components in percentage by weight: 1-50% of fluroxypyridine ester, 1-50% of triafamone, 1-12% of dispersant, 1-12% of wetting agent, 1-3% of thickening agent, 1-2% of antifreezing agent, 1-3% of defoaming agent and the balance of deionized water carrier to 100%. The specific production steps are as follows: mixing the effective components with other auxiliary agents, and forming a highly dispersed and stable suspension system in a water system medium after high-speed shearing dispersion and sanding in a sand mill to prepare the suspending agent with corresponding weight percentage content.
The oil suspending agent comprises the following components in percentage by weight: 1-50% of fluroxypyridine ester, 1-50% of triafamone, 1-10% of dispersant, 1-10% of wetting agent, 1-3% of thickening agent and the balance of liquid carrier to 100%. The specific production steps are as follows: mixing the effective components with other auxiliary agents, and forming a highly dispersed and stable suspension system in an oil system medium after high-speed shearing dispersion and sanding in a sand mill to prepare the oil suspending agent with corresponding weight percentage content.
The water dispersible granule comprises the following components in percentage by weight: 1-50% of fluroxypyridine ester, 1-50% of triafamone, 1-12% of dispersing agent, 1-10% of wetting agent, 1-3% of disintegrating agent and the balance of solid carrier to 100%. The specific production steps are as follows: the active ingredients and other auxiliary agents are uniformly mixed, crushed by an ultramicro jet mill, kneaded, and then added into a fluidized bed granulation dryer for granulation, drying and screening to prepare the water dispersible granules with corresponding weight percentage content.
The wettable powder comprises the following components in percentage by weight: 1-50% of fluroxypyridine ester, 1-50% of triafamone, 1-15% of dispersant, 1-15% of wetting agent and the balance of solid carrier to 100%. The specific production steps are as follows: mixing the effective components with other auxiliary agents, mechanically crushing, then carrying out airflow crushing, and uniformly mixing to prepare the wettable powder with corresponding weight percentage content.
The defoaming agent can be one or more of silicone compounds, epoxidized soybean oil, methanol, silicone oil and the like.
The antifreezing agent can be one or more of glycerol, propylene glycol, diethylene glycol, urea and the like.
The wetting agent can be one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, sodium butyl naphthalene sulfonate, sodium alkyl sulfonate, tea seed cake powder, fructus Gleditsiae Abnormalis powder, and fructus Sapindi Mukouossi powder.
The dispersing agent can be one or more of alkylphenol polyoxyethylene ether formaldehyde condensate, naphthalenesulfonate formaldehyde condensate, p-methoxyl fatty amide benzene sulfonic acid, lignosulfonate, polycarboxylate, alkylphenol polyoxyethylene ether sulfate, calcium alkylbenzene sulfonate, fatty acid ester sulfate, alkylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether and the like.
The disintegrant can be one or more of sodium carboxymethyl starch, low-substituted hydroxypropyl cellulose, croscarmellose sodium, crospovidone, chitosan, sodium alginate sodium bicarbonate, magnesium chloride, aluminum chloride, sodium chloride, urea, ammonium sulfate, bentonite, etc.
The thickener can be one or more of polyvinyl acetate, xanthan gum, gelatin, gum arabic, magnesium aluminum silicate, phenolic resin, hydroxymethyl cellulose, sodium alginate, etc.
The solid carrier can be one or more of light calcium carbonate, argil, kaolin, diatomite, bentonite, white carbon black, clay, attapulgite, talcum powder, quartz sand and the like.
The liquid carrier can be one or more of refined soybean oil, corn oil, rapeseed oil, turpentine, methyl oleate, coconut oil, palm oil, etc.
The deionized water is industrial deionized water.
The mixed herbicide is used for preventing and killing weeds. Preferably used in paddy fields, wheat fields, grasses, broad-leaved weeds and sedges. The weed can be controlled from Stellaria, Phaseolus, Agrostis, digitaria, Avena, Setaria, Sinapis, Lolium, Solanum, Bromus, Aleurites, Matricaria, Chrysanthemum, Sida, Xanthium, Amaranthus, Chenopodium, Ipomoea, Chrysanthemum, Galium, Viola, and Veronica.
The invention has the following beneficial technical effects:
the composition combines two active ingredients with different action mechanisms, can effectively reduce the generation of drug resistance of weeds, and expands the weed control spectrum; can simultaneously prevent and kill grassy weeds, broadleaf weeds, nutgrass flatsedge weeds and other weeds.
The weeding composition provided by the invention has a remarkable synergistic effect, the dosage of a single compound is reduced, a good action level is maintained, the weed control spectrum is remarkably broadened, and the environmental pollution is reduced.
Detailed Description
The following detailed description of specific embodiments of the present invention is provided in conjunction with examples, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Example 1: and (3) measuring the indoor toxicity of the fluroxypyr-meptyl and the flukesulam on the cyperus rotundus.
The test method comprises the following steps: spraying stem and leaf. After 30 days of treatment, fresh weight is measured, and control effect is calculated.
Herbicide combinations were evaluated according to the Colby method. Evaluation criteria: when E-E0 is more than 10%, the synergistic effect is expressed; when the concentration is more than or equal to-10 percent and less than or equal to E-E0, the additive effect is shown; when E-E0 is < -10%, it shows antagonistic action.
TABLE 1 measurement of indoor toxicity of fluroxypyr meptyl and flutriafol
As shown in the table, the compounding of the fluroxypyr-meptyl and the triafamone has an obvious synergistic effect on the cyperus rotundus, the using dosage of pesticides can be effectively reduced, the generation of drug resistance of weeds is slowed down, and the weight ratio of the fluroxypyr-meptyl to the triafamone is preferably 2-12: 1-10; particularly preferably, the weight ratio of the fluroxypyr-meptyl to the flurtamoxifen is 2: 1.
Example 2 formulation example
Preparation 1: 30% fluroxypyridine ester-fluoroketosulam oil suspending agent
Preparation 2: 33% suspension concentrate of fluroxypyridine-fluoroketosulam
Preparation 3: 55% wettable powder of fluroxypyr meptyl-fluoketone sulfometuron
Preparation 4: 65% aqueous dispersion granule of fluroxypyridine ester-fluoroketosulam
Example 3 the combination of fluroxypyr meptyl and triafamone is effective in weed field control.
Test subjects: barnyard grass, moleplant seed, cyperus rotundus L, amaranth, cyperus rotundus L, water purslane, and the like.
Test agents: formulations 1-4 and control Agents
The test method comprises the following steps: weighing the agents according to the area of a test cell, diluting the agents by adding water, spraying stems and leaves for 1 time by using a knapsack sprayer when weeds are in a 2-3 leaf stage, investigating fresh-weight control effect after 21 days, and comparing the weeding activity of various agents. Control effect (%) - (fresh weight of weeds in clear water control group-fresh weight of weeds in treated group)/fresh weight of weeds in clear water group ] 100%.
TABLE 2 combination of fluroxypyridine ester and triafamone for weed field control
As can be seen from the above table, compared with a single agent, the compound application of the fluroxypyr-meptyl and the flutriafol can expand the weeding spectrum, remarkably improve the control effect of the fluroxypyr-meptyl on weeds, have a remarkable synergistic effect, effectively reduce the application dosage of pesticides, and reduce environmental pollution; and is safe for crops in field observation.
The above description is only a preferred embodiment of the present invention, and it is obvious to those skilled in the art that modifications may be made without departing from the scope of the present invention, and such modifications are also within the scope of the present invention.
Claims (5)
1. The application of the mixed herbicide containing the halauxifen-methyl and the triafamone for preventing and killing the cyperus rotundus is characterized in that: the active ingredients comprise the fluroxypyr-meptyl and the fluoroketosulam, and the weight ratio of the fluroxypyr-meptyl to the fluoroketosulam is 2-12: 1-10.
2. Use according to claim 1, characterized in that: the weight ratio of the fluroxypyr meptyl to the flurtamoxifen is 2: 1.
3. Use according to claim 1, characterized in that: the total weight percentage of the fluroxypyr-meptyl and the flurtamone in the composition is 5-85%.
4. Use according to claim 3, characterized in that: the total weight percentage of the fluroxypyr-meptyl and the flurtamone in the composition is 20-65%.
5. Use according to any one of claims 1 to 4, characterized in that: the composition can be one of wettable powder, suspending agent, dispersible oil suspending agent, missible oil, suspoemulsion, granules, microemulsion, emulsion in water and water dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893163.5A CN108935479B (en) | 2018-08-07 | 2018-08-07 | Mixed herbicide containing halauxifen-methyl and triafamone and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893163.5A CN108935479B (en) | 2018-08-07 | 2018-08-07 | Mixed herbicide containing halauxifen-methyl and triafamone and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108935479A CN108935479A (en) | 2018-12-07 |
| CN108935479B true CN108935479B (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810893163.5A Active CN108935479B (en) | 2018-08-07 | 2018-08-07 | Mixed herbicide containing halauxifen-methyl and triafamone and application thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640445A (en) * | 2012-07-24 | 2015-05-20 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid |
| CN106106463A (en) * | 2016-06-21 | 2016-11-16 | 广东中迅农科股份有限公司 | A kind of composition pesticide containing fluorine ketone sulphur grass amine |
-
2018
- 2018-08-07 CN CN201810893163.5A patent/CN108935479B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640445A (en) * | 2012-07-24 | 2015-05-20 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid |
| CN106106463A (en) * | 2016-06-21 | 2016-11-16 | 广东中迅农科股份有限公司 | A kind of composition pesticide containing fluorine ketone sulphur grass amine |
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| CN108935479A (en) | 2018-12-07 |
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Address after: 231500 Feidong County Circular Economy Park, Hefei City, Anhui Province Applicant after: Anhui Huilong Group Yinshan Pharmaceutical Co., Ltd. Address before: 231500 Feidong County Circular Economy Park, Hefei City, Anhui Province Applicant before: ANHUI YOUNGSUN PESTICIDES CO., LTD. |
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