CN106070268A - A kind of pyraflufen-ethyl and florasulam compound suspending agent and preparation method thereof - Google Patents
A kind of pyraflufen-ethyl and florasulam compound suspending agent and preparation method thereof Download PDFInfo
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- CN106070268A CN106070268A CN201610723235.2A CN201610723235A CN106070268A CN 106070268 A CN106070268 A CN 106070268A CN 201610723235 A CN201610723235 A CN 201610723235A CN 106070268 A CN106070268 A CN 106070268A
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- pyraflufen
- ethyl
- florasulam
- suspending agent
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A kind of pyraflufen-ethyl and florasulam compound suspending agent and preparation method thereof, relate to wheat paddock annual broadleaf weed Prevention Technique field.At least by pyraflufen-ethyl 2 parts, florasulam 2 parts, fatty alcohol-polyoxyethylene ether 3 parts, styrylphenol polyoxyethylene ether 3 parts, xanthan gum 0.3 part, sodium benzoate 0.4 part, defoamer 0.3 part with complement to the deionized water of 100 parts and make.By after all raw material suction preparation still mix and blend through grinding at the beginning of colloid mill, then through sand mill fine grinding, sample analysis, qualified after filter, measure, pack, put in storage.The present invention with 1:1 proportioning mixed compound 4% time pyraflufen-ethyl and florasulam compound suspending agent, can play notable synergistic sphere of action, and the preparation that other proportioning is used with, all be unable to reach notable synergistic sphere of action.
Description
Technical field
The present invention relates to wheat paddock annual broadleaf weed Prevention Technique field, be specifically related to a kind of pyraflufen-ethyl and double fluorine
Sulphur grass amine compounds suspending agent and preparation method thereof.
Background technology
At present, the existing Herbicidal combinations for preventing and treating wheat paddock annual broadleaf weed, such as Chinese patent
CN103461344A discloses one " Wheat field weeding composition ", and effective ingredient is pyribenzoxim, azoles oxadiazon, chlorine fluorine pyrrole oxygen
Acetic acid, pyribenzoxim percentage by weight in the composition is 1%～20%, azoles oxadiazon percentage by weight in the composition
Be 1%～20%, fluroxypyr percentage by weight in the composition be 1%～50%, remaining is insecticides adjuvant.Separately have
Chinese patent CN 104521997A discloses one " Wheat field weeding composition ", and effective ingredient is florasulam, chlorine ammonia pyrrole
Pyridine acid (or its esters compound), phenoxy carboxylic acid herbicides, wherein phenoxy carboxylic acid herbicides is selected from MCPA,MCP,methoxone, diformazan four
The different monooctyl ester of chlorine sodium, MCPA,MCP,methoxone, 2,4-drip, 2,4-d butyl ester, 2,4-drip the one in different monooctyl ester.
Inventor verifies through long term test, and these above-mentioned several Herbicidal combinations are primarily present following defect:
1), by concrete proportionings several disclosed in above-mentioned several Herbicidal combinations are tested, find wheat paddock one
The year preventing and treating of raw broad leaved weed cannot play good prevention effect.
2), for several dosage forms disclosed in above-mentioned several Herbicidal combinations, find all to there is difference through verification experimental verification
The defect of problem.Such as, wettable powder easily causes product to bond, and is difficult in water dispersion and suspends, or blocking shower nozzle, in spray
The phenomenon such as reason precipitation in day with fog, causes sprinkling irregular.
3), problem is compounded, by concrete proportionings several disclosed in above-mentioned several Herbicidal combinations are carried out virulence test, heat
Storage stability test and mixture co-toxicity coefficient measure and find, are all unable to reach obvious potentiation.
Summary of the invention
An object of the present invention is to provide a kind of pyraflufen-ethyl and florasulam to compound suspending agent, and this suspending agent designs
Rationally, good to the prevention effect of wheat paddock annual broadleaf weed, and the notable synergistic of pyraflufen-ethyl and florasulam can be realized
Effect.
For achieving the above object, present invention employs techniques below scheme:
A kind of pyraflufen-ethyl and florasulam compound suspending agent, are made up of following components according to weight portion:
Pyraflufen-ethyl is contact phenylpyrazole class herbicide after seedling, its mechanism of action be suppression plant in former
Porphyrin 4 oxidase, and utilize Semen Tritici aestivi and weeds to medicine absorption and the metabolite of the produced different activities of difference of deposition, reach choosing
Prevent and treat to selecting property the effect of wheatland weeds.
Florasulam is triazolopyrimidine sulfonamides ultra high efficiency herbicide, and florasulam is inner sucting conduction type weeding
Agent, can conduct to weeds Herb, thus herbicide is thorough, will not recur.Efficacy stability at low temperatures, even when 2 DEG C still
Can guarantee that stable drug effect, this point is that other herbicides are incomparable.Broad leaved weed is prevented and kill off for wheat paddock.Import 5% pair
Penoxsulam SC, trade name Puri wheat.Florasulam broad weed-killing spectrum, can prevent and kill off the most of broad leaved weed of wheatland, brings disaster to including pig
Calamity the difficult anti-weeds such as (Rubiaceae), corn gromwell (Boraginaceae), and the Herba Euphorbiae Helioscopiae (Euphorbiaceae) being most difficult in wheatland prevent and kill off is had the best
Inhibitory action.
Pyraflufen-ethyl and the florasulam of the present invention compound suspending agent, and its beneficial effect shows:
1), suspending agent prepared by the present invention is in the side such as suspensibility, persistent foamability, wet screening test etc. and heat storage stability
Face is significantly better than that the product prepared by other proportionings.
2), mixed with 1:1 proportioning by experimental verification, pyraflufen-ethyl and florasulam compounded 4% time pyraflufen-ethyl
Compound suspending agent with florasulam, can play notable synergistic sphere of action, and the preparation that other proportioning is mixed, all it is unable to reach
Notable synergistic sphere of action.Meanwhile, the actual toxicity of different ratio does not promote along with the enhancing of theoretical toxicity, actual toxicity
And between theoretical toxicity, there is no regular change.
Another object of the present invention is to the preparation method providing a kind of pyraflufen-ethyl and florasulam to compound suspending agent, will
Through grinding at the beginning of colloid mill after raw material suction preparation still mix and blend, then through sand mill fine grinding, sample analysis, qualified rear filtration, meter
Measure, pack, put in storage.
The pyraflufen-ethyl of the present invention and florasulam compound the preparation method of suspending agent, and preparation technology is relatively simple, it is easy to
Industrialized production.
Detailed description of the invention
Below with reference to embodiment, the present invention is described in detail.But, embodiment content is only to this
Bright example and explanation, described specific embodiment is done various repairing by affiliated those skilled in the art
Change or supplement or use similar mode to substitute, without departing from the design of invention or surmount defined in the claims
Scope, all should belong to protection scope of the present invention.
One, pyraflufen-ethyl and florasulam compound the preparation of suspending agent, and the suspending agent prepared by each embodiment is each
The item testing result of technical specification, heat storage stability result of the test.
Embodiment 1
4% pyraflufen-ethyl and florasulam compound suspending agent, and each component and weight proportion thereof are as follows:
| Composition | Weight portion |
| Pyraflufen-ethyl | 2 |
| Florasulam | 2 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 89 |
Preparation method: through grinding at the beginning of colloid mill after raw material suction is prepared still mix and blend, then through sand mill fine grinding, sampling
Analyze, qualified after filter, measure, pack, put in storage.
Embodiment 2
3.5% pyraflufen-ethyl and florasulam compound suspending agent, and each component and weight proportion thereof are as follows:
| Composition | Weight portion |
| Pyraflufen-ethyl | 1.5 |
| Florasulam | 2 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 89.5 |
Preparation method is with embodiment 1.
Embodiment 3
3% pyraflufen-ethyl and florasulam compound suspending agent, and each component and weight proportion thereof are as follows:
Preparation method is with embodiment 1.
Embodiment 4
4.5% pyraflufen-ethyl and florasulam compound suspending agent, and each component and weight proportion thereof are as follows:
| Composition | Weight portion |
| Pyraflufen-ethyl | 2 |
| Florasulam | 2.5 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 88.5 |
Preparation method is with embodiment 1.
Embodiment 5
5% pyraflufen-ethyl and florasulam compound suspending agent, and each component and weight proportion thereof are as follows:
Preparation method is with embodiment 1.
Embodiment 6
4% pyraflufen-ethyl and florasulam compound suspending agent, and each component and weight proportion thereof are as follows:
| Composition | Weight portion |
| Pyraflufen-ethyl | 2 |
| Florasulam | 2 |
| The common glycoside in ground | 0.7 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 88.3 |
Preparation method is with embodiment 1.
Pyraflufen-ethyl and florasulam prepared by embodiment 1～6 compound suspending agent, the detection of product all technical
Result is as shown in table 1, and product heat storage stability result of the test is as shown in table 2.
16 embodiments of table prepare the testing result of product all technical
26 embodiments of table prepare product heat storage stability result of the test
By table 1 and 2 it can be seen that the product of embodiment 1 and 6 preparation is in suspensibility, persistent foamability, wet screening test etc.
And the aspect such as heat storage stability is significantly better than that the product prepared by other embodiments.
Two, toxicological information
Pyraflufen-ethyl: acute oral LD50: Mus great and mighty or powerful > 5000mg/kg.Acute percutaneous LD50: Mus great and mighty or powerful > 2000mg/kg.
Florasulam: male rat acute oral LD50For 1324mg/kg, female rats is 934mg/kg；Male mice
Acute oral LD50For 1231mg/kg, female mice is 1100mg/kg；Rat acute sucks LC50(4 hours) > 30.5mg/L sky
Gas.
Three, pyraflufen-ethyl and florasulam compound indoor biological activity (virulence) mensuration of suspending agent.
1 test objective
Pot experiment method method is used to determine pyraflufen-ethyl and florasulam to cat's eye, the biological activity of field thistle,
Select to provide scientific basis for the proportioning in both the most mixed and production.
2 experimental conditions
2.1 material to be tested
Cat's eye: Seed storage is collected in Anhui Meilan Agricultural Development Co., Ltd.'s laboratory field；
Field thistle: Seed storage is collected in Anhui Meilan Agricultural Development Co., Ltd.'s laboratory field.
2.2 test medicine
The former medicine of pyraflufen-ethyl, Anhui Meilan Agricultural Development Co., Ltd. provides；
The former medicine of florasulam, Anhui Meilan Agricultural Development Co., Ltd. provides.
2.3 test proportionings process
It is designed according to embodiment 1-6 proportioning.
2.4 processing mode
2.4.1 the medicament activity test to cat's eye
After cat's eye seed presoaking and germinating, point is sowed at the sectional area 0.25m equipped with earth2Basin in, every basin broadcasts 100, temperature
Indoor cultivation processed to cat's eye 1 leaf 1 heart stage.Spraying medicinal liquid with POTTER precision laboratory spray tower, spouting liquid is every
Process 50ml, keep ground moistening after medicine, and set clear water blank.Often process and be repeated 4 times, within after medicine 20 days, weigh each process cat
Youngster's eye aerial parts fresh weight, the inhibition percentage and the remaining cat's eye that calculate each process aerial growth are the percentage compareed
Number, evaluates the two mixed synergy type to cat's eye by Gowing method.The actual preventive effect of mixe herbicide presses following public affairs
Formula calculates:
E0=X+Y (100-X)/100
In formula: X is the florasulam consumption fresh weight preventive effect to cat's eye when being P；
Y be pyraflufen-ethyl consumption be Q be the fresh weight preventive effect to cat's eye；
E0When being P for florasulam consumption fresh weight preventive effect+pyraflufen-ethyl consumption to cat's eye be Q be fresh to cat's eye
Weight preventive effect；
E is the actual preventive effect of mixe herbicide.
E-E0＞ 10% is potentiation；E-E0＜-10% is antagonism；E-E0Value between theoretical value ± 10% for adding
One-tenth effect.
2.4.2 the medicament activity test to field thistle
After field thistle seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, remaining same 2.4.1.
3 interpretations of result and discussion
The mixture of embodiment 1-6 totally 6 the different compound proportions E-E to cat's eye0Value is followed successively by 15.25%, and 3.55%,
3.95%, 3.45%, 3.60%, 15.50%；E-E to field thistle0Value is respectively 14.85%, 2.35%, 2.75%,
2.45%, 2.95%, 16.15%, thus illustrate that embodiment 1 belongs to relative to the synergy of the compound proportion of embodiment 2-5
In obvious addition potentiation, and the synergy of embodiment 2-5 substantially belongs to addition.Meanwhile, by the reality of embodiment 6
After testing it can be seen that with the addition of the common glycoside in a small amount of ground in compounding suspending agent, the compounding of pyraflufen-ethyl and florasulam can be made
Synergy promotes further.
Claims (2)
1. a pyraflufen-ethyl and florasulam compound suspending agent, it is characterised in that: at least it is made up of the component of following weight portion:
2. prepare pyraflufen-ethyl as claimed in claim 1 and method that florasulam compounds suspending agent for one kind, it is characterised in that: will
Through grinding at the beginning of colloid mill after raw material suction preparation still mix and blend, then through sand mill fine grinding, sample analysis, qualified rear filtration, meter
Measure, pack, put in storage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723235.2A CN106070268A (en) | 2016-08-25 | 2016-08-25 | A kind of pyraflufen-ethyl and florasulam compound suspending agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723235.2A CN106070268A (en) | 2016-08-25 | 2016-08-25 | A kind of pyraflufen-ethyl and florasulam compound suspending agent and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107668047A (en) * | 2017-09-27 | 2018-02-09 | 陕西上格之路生物科学有限公司 | A kind of ternary weeding composition containing pyraflufen-ethyl |
| CN108124893A (en) * | 2018-02-02 | 2018-06-08 | 陕西上格之路生物科学有限公司 | A kind of ternary weeding composition containing diflufenican |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2359692A1 (en) * | 2006-12-11 | 2011-08-24 | ISAGRO S.p.A. | Herbicidal compositions |
| CN102283219A (en) * | 2011-07-04 | 2011-12-21 | 陕西美邦农药有限公司 | Weeding composition containing florasulam and praflufenethyl |
| CN104106588A (en) * | 2014-03-29 | 2014-10-22 | 山东先达农化股份有限公司 | Wheat field herbicide composition |
-
2016
- 2016-08-25 CN CN201610723235.2A patent/CN106070268A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2359692A1 (en) * | 2006-12-11 | 2011-08-24 | ISAGRO S.p.A. | Herbicidal compositions |
| CN102283219A (en) * | 2011-07-04 | 2011-12-21 | 陕西美邦农药有限公司 | Weeding composition containing florasulam and praflufenethyl |
| CN104106588A (en) * | 2014-03-29 | 2014-10-22 | 山东先达农化股份有限公司 | Wheat field herbicide composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107668047A (en) * | 2017-09-27 | 2018-02-09 | 陕西上格之路生物科学有限公司 | A kind of ternary weeding composition containing pyraflufen-ethyl |
| CN108124893A (en) * | 2018-02-02 | 2018-06-08 | 陕西上格之路生物科学有限公司 | A kind of ternary weeding composition containing diflufenican |
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Application publication date: 20161109 |