CN105409933A - Mesosulfuron and flucarbazone compound dispersible oil-based suspension agent and preparation method thereof - Google Patents
Mesosulfuron and flucarbazone compound dispersible oil-based suspension agent and preparation method thereof Download PDFInfo
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- CN105409933A CN105409933A CN201510998239.7A CN201510998239A CN105409933A CN 105409933 A CN105409933 A CN 105409933A CN 201510998239 A CN201510998239 A CN 201510998239A CN 105409933 A CN105409933 A CN 105409933A
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- mesosulfuron
- flucarbazone
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- 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
- 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
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Relating to the technical field of winter wheat annual weed control, the invention provides a mesosulfuron and flucarbazone compound dispersible oil-based suspension agent and a preparation method thereof. The compound dispersible oil-based suspension agent is prepared from 1 part of mesosulfuron, 8 parts of flucarbazone, 3 parts of fatty alcohol polyoxyethylene ether, 5 parts of styrylphenol polyoxyethylene ether, 0.5 part of xanthan gum, 0.3 part of sodium benzoate, 0.5 part of a defoaming agent and 81.7 parts of deionized water. The preparation method includes: pumping the raw materials into a preparation kettle to conduct mixing, then conducting primary grinding by a colloid mill, and performing fine grinding by a sand mill, conducting sampling analysis, and when the sample is qualified, carrying out filtering, metering, packaging and warehousing. According to the invention, the mesosulfuron and flucarbazone compound dispersible oil-based suspension agent can achieve an obvious synergistic action range when mesosulfuron and flucarbazone are compounded in a ratio of 1:8 to a concentration of 9%, while preparations formed by mixing in other ratios cannot achieve the obvious synergistic action range.
Description
Technical field
The present invention relates to winter wheat field annual weed Prevention Technique field, specifically relate to a kind of mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent and preparation method thereof.
Background technology
At present, the existing Herbicidal combinations for the such as winter wheat field such as amur foxtail, bromegrass annual weed control, such as Chinese patent " CN104585214A " discloses one " Wheat field weeding composition containing mesosulfuron ", wherein effective active composition is mesosulfuron, clodinafop-propargyl and isoproturon, and the proportioning of three is 0.1% ~ 20%:0.1% ~ 25%:5% ~ 90%.Separately have Chinese patent " CN103125514A " to disclose one " Wheat field weeding composition containing Sulfosulfuron and flucarbazone ", wherein effective active composition is Sulfosulfuron and flucarbazone, and both proportionings are 1:10 ~ 10:1.
Inventor verifies through long term test, and this above-mentioned several Herbicidal combinations mainly exists following defect:
1), by several concrete proportioning disclosed in above-mentioned several Herbicidal combinations test, find cannot play good control efficiency to the such as winter wheat field such as amur foxtail, bromegrass annual weed.
2), for several formulations disclosed in above-mentioned several Herbicidal combinations, find through verification experimental verification the defect that all there is different problem.Such as, the oil-suspending agent that dispersibles made easily causes product to bond, not easily dispersion suspension in water, or blocking shower nozzle, the phenomenon such as reason precipitation in sprayer, cause spray irregular, easily make crop local produce poisoning, its main cause is that the selection of auxiliary agent and filler all exists different defects.
3), composite problem, by several concrete proportioning disclosed in above-mentioned several Herbicidal combinations carry out virulence test, heat storage stability test and co-toxicity coefficient measure find, all cannot reach obvious synergistic effect.
Summary of the invention
An object of the present invention is to provide a kind of mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, it is reasonable in design that this dispersibles oil-suspending agent, good to the control efficiency of the such as winter wheat field such as amur foxtail, bromegrass annual weed, and the notable synergistic effect of mesosulfuron and flucarbazone can be realized.
For achieving the above object, present invention employs following technical scheme:
A kind of mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, be made up of the component of following weight portion:
Mesosulfuron is sulfonylurea herbicide, master is absorbed as with weeds cauline leaf, wheat paddock seedling rear defence removes the interior suction selectivity foliar herbicide of grassy weed and part broad leaved weed, the most annual gramineous weed of the wheatland such as hard grass, annual bluegrass, alkali thatch, caput grass, amur foxtail, lolium temulentum, Annual Ryegrass, wild oat, candle grass, ox chickweed, shepherd's purse and part broadleaved herb can be prevented and kill off, also have better control effects to most evil property grassy weeds such as bromegrass (wild oat fruit), Triticum tauschii, couchgrass; But mesosulfuron runs into low temperature easily produces poisoning, and dosage is few, and crop is more responsive, especially to bromegrass, deceive careless effect undesirable, for this reason we find a product come and mesosulfuron composite.
Flucarbazone is sulfonylurea internal-suction type efficient wheat field herbicidal, has obvious preventive effect to wild oat, bromegrass, the not grassy weed such as grass, hard grass, amur foxtail and multiple broadleaf weed.Be a kind of novel compounds, its active ingredient can be absorbed by the root of weeds and cauline leaf, by suppressing the activity of acetolactate synthestase in weeds body, destroying the normal Physiological and Biochemical Metabolism of weeds and playing activity of weeding.Flucarbazone effectively can prevent and kill off wheat paddock major part grassy weed, simultaneously also can effective control section broad leaved weed.Flucarbazone is effective to bromegrass, not grass, hard grass, can make up mesosulfuron deficiency.
Mesosulfuron of the present invention and flucarbazone is composite dispersibles oil-suspending agent, its beneficial effect shows:
1) what, prepared by the present invention dispersible oil-suspending agent is all obviously better than in suspensibility, wet screening test etc. and heat storage stability etc. prepared by other proportionings product.
2), verify by experiment, mesosulfuron and flucarbazone with 1:8 proportioning mixed composite 9% time mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, notable synergistic sphere of action can be played, and the preparation that other proportioning is mixed, all cannot reach notable synergistic sphere of action.Meanwhile, the actual toxicity of different ratio does not promote along with the enhancing of theoretical toxicity, there is no regular change between actual toxicity and theoretical toxicity.
Another object of the present invention is to provide a kind of mesosulfuron and the composite preparation method dispersibling oil-suspending agent of flucarbazone, just grind after raw material suction preparation still mix and blend through colloid mill, again through sand mill fine grinding, sample analysis, qualified rear filtration, metering, packaging, warehouse-in.
Mesosulfuron of the present invention and the composite preparation method dispersibling oil-suspending agent of flucarbazone, preparation technology is comparatively easy, is easy to suitability for industrialized production.
Embodiment
Below with reference to embodiment, the present invention is described in detail.But; embodiment content is only citing made for the present invention and explanation; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the design of invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
One, mesosulfuron and the composite preparation dispersibling oil-suspending agent of flucarbazone, and the testing result dispersibling all technical of oil-suspending agent, the heat storage stability result of the test prepared by each embodiment.
Embodiment 1
9% mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, each component and weight portion as follows:
| Composition | Weight portion 2--> |
| Mesosulfuron | 1 |
| Flucarbazone | 8 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthans | 0.5 |
| Sodium Benzoate | 0.3 |
| Defoamer | 0.5 |
| Deionized water | 81.7 |
Preparation method: just grind after raw material suction preparation still mix and blend through colloid mill, then through sand mill fine grinding, sample analysis, qualified rear filtration, metering, packaging, warehouse-in.
Embodiment 2
9.5% mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, each component and weight portion as follows:
| Composition | Weight portion |
| Mesosulfuron | 1.5 |
| Flucarbazone | 8 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthans | 0.5 |
| Sodium Benzoate | 0.3 |
| Defoamer | 0.5 |
| Deionized water | 81.2 |
Preparation method is with embodiment 1.
Embodiment 3
10% mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, each component and weight portion as follows:
| Composition | Weight portion |
| Mesosulfuron | 1.5 |
| Flucarbazone | 8.5 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthans | 0.5 |
| Sodium Benzoate | 0.3 |
| Defoamer | 0.5 |
| Deionized water | 80.7 |
Preparation method is with embodiment 1.
Embodiment 4
8% mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, each component and weight portion as follows:
| Composition | Weight portion |
| Mesosulfuron | 0.5 |
| Flucarbazone | 7.5 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthans | 0.5 |
| Sodium Benzoate | 0.3 |
| Defoamer | 0.5 |
| Deionized water | 82.7 |
Preparation method is with embodiment 1.
Embodiment 5
8.5% mesosulfuron and flucarbazone is composite dispersibles oil-suspending agent, each component and weight portion as follows:
| Composition | Weight portion |
| Mesosulfuron | 1 |
| Flucarbazone | 7.5 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthans | 0.5 |
| Sodium Benzoate | 0.3 |
| Defoamer | 0.5 |
| Deionized water | 82.2 |
Preparation method is with embodiment 1.
Mesosulfuron prepared by embodiment 1 ~ 5 and flucarbazone is composite dispersibles oil-suspending agent, the testing result of product all technical is as shown in table 1, and product heat storage stability result of the test is as shown in table 2.
The testing result of a table 15 embodiment preparing product all technical
A table 25 embodiment preparing product heat storage stability result of the test
Can be found out by table 1 and 2, product prepared by embodiment 1 is all obviously better than the product prepared by other embodiments in suspensibility, wet screening test etc. and heat storage stability etc.
Two, toxicological information
Mesosulfuron: rat acute per os LD
50> 5000mg/kg, rat acute is through skin LD
50> 5000mg/kg, acute toxicity is low toxicity.
Flucarbazone: acute oral LD
50for > 5000mg/kg, acute through skin LD
50> 5000mg/kg, acceptable daily intake: 0.04mg/kg.b.w/d.
Three, mesosulfuron and the composite indoor biological activity (virulence) dispersibling oil-suspending agent of flucarbazone measure.
1 test objective
Pot experiment method method is adopted to determine mesosulfuron and flucarbazone to the biologically active of amur foxtail, bromegrass, for both rationally mixed and in producing proportionings are selected to provide scientific basis.
2 experimental conditions
2.1 for examination material
Amur foxtail [AlopecurusaequalisSobol.)]: Seed storage is collected in field, Anhui Meilan Agricultural Development Co., Ltd. laboratory;
Bromegrass [BromusjaponicusThunb.exMurr.]: Seed storage is collected in field, Anhui Meilan Agricultural Development Co., Ltd. laboratory.
2.2 test medicine
95% mesosulfuron (Mesosulfuron-methyl) former medicine, Anhui Meilan Agricultural Development Co., Ltd. provides;
95% flucarbazone (Flucarbazone) former medicine, Anhui Meilan Agricultural Development Co., Ltd. provides.
2.3 test proportioning process
Design according to embodiment 1-5 proportioning.
2.4 processing mode
2.4.1 medicament is to the activity test of amur foxtail
After amur foxtail seed presoaking and germinating, point is sowed at the sectional area 0.25m that earth is housed
2basin in, every basin broadcasts 100, is cultured to amur foxtail 1 leaf 1 heart stage to process in greenhouse.Spray liquid with the accurate laboratory spray tower of POTTER, spouting liquid, for often to process 50ml, keeps ground moistening after medicine, and establishes clear water blank.Often process repetition 4 times, within after medicine 20 days, take each process amur foxtail acrial part fresh weight, the inhibition percentage and the remaining amur foxtail that calculate each process aerial growth are the percentage contrasted, the mixed synergy type to amur foxtail both evaluating by Gowing method.The actual preventive effect of mixe herbicide calculates as follows:
E
0＝X+Y(100-X)/100
In formula: the fresh weight preventive effect that X is flucarbazone consumption to amur foxtail when being P;
To be Q be to amur foxtail fresh weight preventive effect that Y is mesosulfuron consumption;
E
0for when flucarbazone consumption is P to the fresh weight preventive effect+mesosulfuron consumption of the amur foxtail fresh weight preventive effect that to be Q be to amur foxtail;
E is the actual preventive effect of mixe herbicide.
E-E
0> 10% is synergistic effect; E-E
0<-10% is antagonism; E-E
0be worth between theoretical value ± 10% be addition.
2.4.2 medicament is to the activity test of bromegrass
After bromegrass seed-soaking, after vernalization, point is sowed at the sectional area 0.25m that earth is housed
2basin in, all the other same 2.4.1.
3 interpretations of result and discussion
The mixture of embodiment 1-5 totally 5 different compound proportions is to the E-E of amur foxtail
0value is followed successively by 22.25%, and 2.85%, 3.55%, 2.51%, 1.85%; To the E-E of bromegrass
0value is respectively 23.55%, 2.55%, 3.25%, 2.75%, 1.75%, thus the synergy describing the compound proportion of embodiment 1 belongs to obvious addition synergistic effect, and the synergy of other embodiments belongs to addition substantially.
Claims (2)
1. mesosulfuron and flucarbazone is composite dispersibles an oil-suspending agent, is characterized in that: be made up of the component of following weight portion:
2. prepare mesosulfuron and the composite method dispersibling oil-suspending agent of flucarbazone as claimed in claim 1 for one kind, it is characterized in that: just grind after raw material suction preparation still mix and blend through colloid mill, again through sand mill fine grinding, sample analysis, qualified rear filtration, metering, packaging, warehouse-in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510998239.7A CN105409933A (en) | 2015-12-24 | 2015-12-24 | Mesosulfuron and flucarbazone compound dispersible oil-based suspension agent and preparation method thereof |
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| CN201510998239.7A CN105409933A (en) | 2015-12-24 | 2015-12-24 | Mesosulfuron and flucarbazone compound dispersible oil-based suspension agent and preparation method thereof |
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| CN105409933A true CN105409933A (en) | 2016-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112841207A (en) * | 2021-01-22 | 2021-05-28 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing pyroxsulam, mesosulfuron and flucarbazone |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428945A (en) * | 2012-01-16 | 2012-05-02 | 河北博嘉农业有限公司 | Flucarbazone-Na compounded herbicide |
| CN102550585A (en) * | 2012-01-16 | 2012-07-11 | 河北博嘉农业有限公司 | Mesosulfuron-methyl compound herbicide |
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- 2015-12-24 CN CN201510998239.7A patent/CN105409933A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428945A (en) * | 2012-01-16 | 2012-05-02 | 河北博嘉农业有限公司 | Flucarbazone-Na compounded herbicide |
| CN102550585A (en) * | 2012-01-16 | 2012-07-11 | 河北博嘉农业有限公司 | Mesosulfuron-methyl compound herbicide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112841207A (en) * | 2021-01-22 | 2021-05-28 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing pyroxsulam, mesosulfuron and flucarbazone |
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Application publication date: 20160323 |