CN108703149B - Mixed herbicide containing propyrisulfuron and triafamone and application thereof - Google Patents
Mixed herbicide containing propyrisulfuron and triafamone and application thereof Download PDFInfo
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- CN108703149B CN108703149B CN201810887640.7A CN201810887640A CN108703149B CN 108703149 B CN108703149 B CN 108703149B CN 201810887640 A CN201810887640 A CN 201810887640A CN 108703149 B CN108703149 B CN 108703149B
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- triafamone
- propyrisulfuron
- weeds
- herbicide
- mixed herbicide
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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<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one 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
- A01N43/64—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
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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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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a mixed herbicide containing propyrisulfuron and triafamone and application thereof; the active ingredients comprise propyrisulfuron and triafamone in a weight ratio of 1-40: 1-20; 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 propyrisulfuron and triafamone and application thereof.
Background
Propyrisulfuron is a pyrimidyl sulfonylurea herbicide developed by Sumitomo chemistry in Japan, is an acetolactate synthase (ALS) inhibitor although the action mechanism of the propyrisulfuron is the same as that of other sulfonylurea herbicides, has good control effect on weeds of the sulfonylurea herbicides, and is mainly used for preventing and removing gramineous weeds and broadleaf weeds in paddy fields. The product has low dosage and good control effect on weeds with resistance to certain known sulfonylurea herbicides. The fluoroketosulam has an action mechanism similar to that of sulfonylurea herbicides and imidazolone herbicides, has high effect of preventing and killing various gramineous weeds and broad leaf weeds such as barnyard grass, alopecurus macrorhynchophylla, polygonum hydropiper and the like, and is safe for 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 propyrisulfuron and triafamone compound weeding composition 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 mixed herbicide containing propyrisulfuron and triafamone comprises the active ingredients of propyrisulfuron and triafamone in a weight ratio of 1-40: 1-20.
The weight ratio of propyrisulfuron to triafamone is 5-20: 2-10. The preferable weight ratio of propyrisulfuron to triafamone is 1: 1.
The total weight percentage of the propyrisulfuron and the triafamone in the mixed herbicide is 5-90%. The preferred total weight percentage of the propyrisulfuron and the triafamone in the composition is 20-85%.
The weeding composition provided by the invention can be prepared into one of various application formulations suitable for agriculture, such as wettable powder, suspending agent, microemulsion, emulsion in water, water dispersible granules, missible oil, suspoemulsion and the like by a known method. 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 propyrisulfuron, 1-40% of triafamone, 1-15% of dispersant, 1-15% of wetting agent, 1-3% of thickening agent, 1-2% of antifreeze, 1-3% of defoaming agent and deionized water carrier, and the balance is made up 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 propyrisulfuron, 1-40% of triafamone, 1-14% 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 propyrisulfuron, 1-40% of triafamone, 1-12% of dispersant, 1-15% of wetting agent, 1-5% of disintegrant 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 propyrisulfuron, 1-40% of triafamone, 1-15% of dispersant, 1-10% 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 weeds 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. Preferably, the plant is selected from felt, scripus triqueter, chufa, cyperus heterophylla, barnyard grass, crabgrass, goosegrass herb, moleplant seed, green bristlegrass herb, bluegrass, Chinese iris, canary grass, water purslane, herba plantaginis, rhizoma scirpae, edible tulip, potamogeton indica, cleavers, shepherdspurse herb, cephalanoplos, cocklebur, cyperus rotundus, acalypha australis, quinoa, amaranthus and amaranthus, Thalathus, thalictrum, meadowrue, purslane, and the like.
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 propyrisulfuron and the triafamone to the heterotype sedge.
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 promethasulfuron and triafamone on heterotype sedge
As shown in the table, the compounding of propyrisulfuron and triafamone has obvious synergistic effect on the special-shaped cyperus rotundus, can effectively reduce the using dosage of pesticides and slow down the generation of drug resistance of weeds, and preferably the weight ratio of propyrisulfuron to triafamone is 5-20: 2-10; particularly preferably, the weight ratio of propyrisulfuron to triafamone is 1: 1.
Example 2 formulation example
Preparation 1: 35% propyrisulfuron-flutolanil oil suspending agent
Preparation 2: 39% propyrisulfuron-flutolanil suspending agent
Preparation 3: 45% wettable powder of propyrisulfuron-methyl-triafamone
Preparation 4: 48% propyrisulfuron-flutriafol water dispersion granule
Example 3 compounding propyrisulfuron and triafamone has weed field control effect.
Test subjects: herba monochoriae vaginalis, semen Euphorbiae Lathyridis, Echinochloa crusgalli, Cyperus rotundus, herba Amaranthi Tricoloris, herba Oenotherae Erythrosepalae, herba Potentillae Discoloris, and herba plantaginis.
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 the stems and leaves for 1 time by using a knapsack sprayer when the weeds are in a 2-3 leaf stage, investigating the fresh-weight control effect after 30 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 Prozinsulfuron and Fluoroketosulam combinations for weed field control
As can be seen from the above table, compared with a single agent, the compound application of propyrisulfuron and triafamone can expand the weeding spectrum, remarkably improve the control effect of the compound herbicide 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 (6)
1. A mixed herbicide containing propyrisulfuron and triafamone is characterized in that: the active ingredients comprise propyrisulfuron and triafamone in a weight ratio of 5-20: 2-10.
2. The hybrid herbicide as claimed in claim 1, wherein: the weight ratio of the propyrisulfuron to the triafamone is 1: 1.
3. A mixed herbicide as claimed in any one of claims 1 to 2, characterized in that: the total weight percentage of the propyrisulfuron and the triafamone in the composition is 5-90%.
4. A hybrid herbicide as claimed in claim 3, characterized in that: the total weight percentage of the propyrisulfuron and the triafamone in the composition is 20-85%.
5. A hybrid herbicide as claimed in claim 3, characterized in that: the composition can be one of wettable powder, suspending agent, microemulsion, aqueous emulsion, water dispersible granule, dispersed oil suspending agent, suspoemulsion and granule.
6. Use of the mixed herbicide according to any one of claims 1 to 5 for controlling weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887640.7A CN108703149B (en) | 2018-08-06 | 2018-08-06 | Mixed herbicide containing propyrisulfuron and triafamone and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887640.7A CN108703149B (en) | 2018-08-06 | 2018-08-06 | Mixed herbicide containing propyrisulfuron and triafamone and application thereof |
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| Publication Number | Publication Date |
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| CN108703149A CN108703149A (en) | 2018-10-26 |
| CN108703149B true CN108703149B (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810887640.7A Active CN108703149B (en) | 2018-08-06 | 2018-08-06 | Mixed herbicide containing propyrisulfuron and triafamone and application thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636085A (en) * | 2007-02-19 | 2010-01-27 | 拜尔作物科学股份公司 | Herbicidal compositions comprising difluoromethanesulfonylanilide and one or more herbicides |
| CN105379744A (en) * | 2015-11-26 | 2016-03-09 | 广东中迅农科股份有限公司 | Weeding composition prepared from pyriminobac-methyl, propyrisulfuron and triafamone |
-
2018
- 2018-08-06 CN CN201810887640.7A patent/CN108703149B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636085A (en) * | 2007-02-19 | 2010-01-27 | 拜尔作物科学股份公司 | Herbicidal compositions comprising difluoromethanesulfonylanilide and one or more herbicides |
| CN105379744A (en) * | 2015-11-26 | 2016-03-09 | 广东中迅农科股份有限公司 | Weeding composition prepared from pyriminobac-methyl, propyrisulfuron and triafamone |
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| CN108703149A (en) | 2018-10-26 |
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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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