CN105532704A - Dispersible oil suspension of composite herbicide composed of flucarbazone-sodium and clodinafop-propargyl and preparation method thereof - Google Patents
Dispersible oil suspension of composite herbicide composed of flucarbazone-sodium and clodinafop-propargyl and preparation method thereof Download PDFInfo
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- CN105532704A CN105532704A CN201510907442.9A CN201510907442A CN105532704A CN 105532704 A CN105532704 A CN 105532704A CN 201510907442 A CN201510907442 A CN 201510907442A CN 105532704 A CN105532704 A CN 105532704A
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- Prior art keywords
- flucarbazone
- clodinafop
- propargyl
- preparation
- suspending agent
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Classifications
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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<
- A01N47/38—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
-
- 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
- A01N43/34—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
Abstract
The invention relates to the technical field of combination of pesticides, specifically to a dispersible oil suspension of a composite herbicide composed of flucarbazone-sodium and clodinafop-propargyl and a preparation method thereof. The composite herbicide is prepared from, by mass, 6% of flucarbazone-sodium and 10% of clodinafop-propargyl, and the total content of the active ingredients is 16%. The preparation method for the dispersible oil suspension of the composite herbicide comprises the following steps: pumping all the raw and auxiliary materials into a preparation kettle for uniform mixing under stirring; subjecting a mixture obtained in the previous step to primary grinding by a colloid mill at first and then to fine grinding with a sand milling machine; then carrying out filtering and controlling a suspension rate of no less than 90% and 75-[mu]m-test sieve passing rate of no less than 98%; and after analysis results of samples are qualified, successively carrying out metering, packaging and warehousing. According to the invention, flucarbazone-sodium and clodinafop-propargyl are compounded, so weeds are effectively prevented from generating resistance, a plurality of weeds are simultaneously eliminated through application of the composite herbicide once, application frequency of the herbicide is reduced, labor force is saved, pollution to a farmland environment is mitigated, and quality safety of crops is improved.
Description
Technical field
The present invention relates to technical field of pesticide of cutting weeds, what specifically relate to a kind of flucarbazone and clodinafop-propargyl compound herbicide dispersibles oil-suspending agent and preparation method thereof.
Technical background
Flucarbazone is sulfonylurea internal-suction type efficient wheat field herbicidal, has obvious preventive effect to the grassy weeds such as wild oat, bromegrass, amur foxtail and multiple broadleaf weed.Its import name is called young tiger tiger, and 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.Young tiger tiger effectively can prevent and kill off wheat paddock major part grassy weed, simultaneously also can effective control section broad leaved weed.Young tiger tiger can very fast metabolism in wheat body, has fabulous safety to wheat.
Clodinafop-propargyl is phenoxy carboxylic acid high-efficiency low-toxicity weed killer herbicide, suppress the activity of acetyl-CoA carboxylase in plant corpus, for inner-adsorption conduction-type herbicide, absorbed by the blade in plant corpus and leaf sheath, phloem conducts, accumulate in plant corpus inner meristem, suppress acetyl-CoA carboxylase, fatty acid is synthesized and stops, the growth division of cell can not normally be carried out, membranous system etc., containing fat structural deterioration, finally cause Plant death.Effective especially to pernicious grassy weed, mix with certain proportion with safener, for cereal crop, to grassy weed as Salvia japonica, amur foxtail, wild oat, perennial ryegrass, annual bluegrass, green foxtail etc. have excellent preventive effect, to working as stubble and succession crop safety under recommended dose.
Type of compounds, the weed killer herbicide kind of flucarbazone and clodinafop-propargyl are different with the mechanism of action, and there is not cross resistance problem, meet the principle of weed killer herbicide mixture, the two is composite feasible in theory.
Alone flucarbazone weeding cost is higher, and to the anti-heterodyne of malignant weed.Clodinafop-propargyl is effective especially to malignant weed preventive effect, and the two composite shortcoming is complementary, expands herbicide spectrum and reduces cost.
Summary of the invention
The object of the invention is to for prior art problem, what provide a kind of flucarbazone and clodinafop-propargyl compound herbicide dispersibles oil-suspending agent and preparation method thereof, adopts the mode by flucarbazone and clodinafop-propargyl mixture, control wheat paddock annual weed.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of flucarbazone and clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, the active ingredient dispersibling oil-suspending agent of this compound herbicide is made up of following component according to mass percent:
Flucarbazone: 6%;
Clodinafop-propargyl: 10%.
Preferably, the oil-suspending agent that dispersibles of compound herbicide also comprises mass content shared by six kinds of auxiliary agents such as dispersant fatty alcohol-polyoxyethylene ether, wetting agent phenethyl phenol APEO, thickener xanthans, preservative sodium benzoate, continuous phase deionized water and defoamer and sub-dispersant fatty alcohol-polyoxyethylene ether, wetting agent phenethyl phenol APEO, thickener xanthans, preservative sodium benzoate, continuous phase deionized water and defoamer and is respectively: 3%, 5%, 0.5%, 0.3%, 74.7%, 0.5%.
Preferably, described flucarbazone and the total active constituent content of clodinafop-propargyl are 16%.
Preferably, by each raw and auxiliary material suction preparation still mixing and stirring, just grind through colloid mill, then through sand mill fine grinding, filter, and control suspensibility >=90%, 75 μm of testing sieve percent of pass >=98%, after sample analysis is qualified, metering, packaging, warehouse-in.
Beneficial effect
What the object of the present invention is to provide a kind of flucarbazone and clodinafop-propargyl compound herbicide dispersibles oil-suspending agent and preparation method thereof, has the following advantages:
1, new synergistic effect, the property of medicine effect separately of flucarbazone and clodinafop-propargyl makes a difference mutually, and the synergy produced is all better than the effect of the wherein single agricultural chemicals of any one.
2, flucarbazone, clodinafop-propargyl mixture, can prevent and overcome weeds and develop immunity to drugs, and extends the service life of said preparation kind.
3, save labour, water-saving is environmental protection again, and control in time.Can in a drug, simultaneous weeds are planted by double Zhiduo County, make repeatedly that repeated farm work is disposable to be completed.
4, reduce times for spraying, reduce costs.In general, at weeds Growth season, being usually that multiple weeds overlap occurs, as prevented and treated single weeds one by one, control number of times must being made to increase.Flucarbazone, clodinafop-propargyl are used with, play respective advantage, reduce times for spraying, reduce cost of labor, reduce Sichuan, improve crop quality safety.
Embodiment
Below preferred embodiment of the present invention is described in further detail:
A kind of flucarbazone of the present invention and clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, comprise following raw material: flucarbazone and clodinafop-propargyl.
Other titles of flucarbazone and clodinafop-propargyl, structural formula and basic materialization parameter are as follows:
(1), flucarbazone
ISO adopted name: flucarbazone-Na
CA registration number: 145026-88-6
Chemical name: 1H-1,2,4-triazole-1-carbamyl-4,5-2H-3-methoxyl group-4-methyl-5-O-N-[[2-(trifluoro methoxy) benzene] sulphonyl]-sodium salt
Molecular formula: C
12h
11f
3n
4o
6s
Molecular mass: 396.3
Biologically active: weeding
Outward appearance: odorless, colourless crystalline powder
Fusing point: 200 DEG C
Density (20 DEG C): 1.59g/cm
3
Solvability (20 DEG C): normal heptane <0.1, carrene 0.72, isopropyl alcohol 0.27, dimethylbenzene <0.1, methyl-sulfoxide >250, acetone 1.3, acetonitrile 6.4, second machine acetic acid 0.14, polyethylene glycol 48
(2), clodinafop-propargyl
ISO adopted name: clodinafop-propargyl
CA registration number: 105512-06-9
Chemical name: R-2-[4-(the chloro-3-of 5-fluoro-2-pyridine oxygen base)-phenoxy group]-propionic acid propargyl ester
Molecular formula: C
17h
13clFNO
4
Molecular mass: 349.7
Biologically active: weeding
Outward appearance: light tan powder
Fusing point: 48.2 ~ 57.1 DEG C
Vapour pressure (25 DEG C): 3.19 × 10
-6pa
Density (20 DEG C): 1.37g/cm
3
Solvability: 4.0mg/L, acetone >500g/L, methyl alcohol 180g/L, toluene >500g/L, n-hexane 7.5g/L, octanol 21g/L in water
The collocation method of flucarbazone and each treatment agent of clodinafop-propargyl: be settled to 100ml after taking former medicine 0.1053g, the 2ml acetone solution of 95% flucarbazone, obtain 1g/L mother liquor; Be settled to 100ml after taking former medicine 0.1053g, the 2ml acetone solution of 95% clodinafop-propargyl, obtain 1g/L mother liquor; Each process dosage formulation is as shown in table 1.
Collocation method (the 0.25m of table 1 flucarbazone and each treatment agent of clodinafop-propargyl
2dosage)
Embodiment 1
Step one: by each raw and auxiliary material suction preparation still mixing and stirring, just grind through colloid mill, then through sand mill fine grinding, filter, and control suspensibility >=90%, 75 μm of testing sieve percent of pass >=98%.
Step 2: after wild oat seed presoaking and germinating, point is sowed at the sectional area 0.25m that earth is housed
2iron basin in, every basin broadcasts 100, is cultured to wild oat 1 leaf 1 heart stage to process in greenhouse.By table 1 design treatment dosage formulation liquid, compound method: flucarbazone and clodinafop-propargyl are first dissolved with acetone respectively, and then dilute with the Tween-80 aqueous solution of 0.1%.Spray liquid with the accurate laboratory spray tower of POTTER, spouting liquid, for often to process 50ml, keeps ground moistening after medicine.Often process repetition 4 times, within after medicine 20 days, take each process wild oat acrial part fresh weight, the inhibition percentage and the remaining wild oat that calculate each process aerial growth are the percentage contrasted, the mixed synergy type to wild oat 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 wild oat when being P; The fresh weight preventive effect that Y is clodinafop-propargyl consumption to wild oat when being Q; E
0fresh weight preventive effect to wild oat during for being Q to the fresh weight preventive effect+clodinafop-propargyl consumption of wild oat when flucarbazone consumption is P; E is the actual measurement 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.
Flucarbazone and clodinafop-propargyl two yuan composite to wild oat synergy measure (after medicine 20d) the results are shown in Table 2.
Table 2 flucarbazone and the composite synergy to wild oat of clodinafop-propargyl two yuan measure (after medicine 20d)
Embodiment 2
After amur foxtail seed-soaking, after vernalization, point is sowed at the sectional area 0.25m that earth is housed
2basin in, all the other are with embodiment 1.Flucarbazone and the composite synergy to amur foxtail of clodinafop-propargyl two yuan measure (after medicine 20d) and the results are shown in Table 3.
Table 3 flucarbazone and the composite synergy to amur foxtail of clodinafop-propargyl two yuan measure (after medicine 20d)
Embodiment 3
After ox chickweed seed-soaking, after vernalization, point is sowed at the sectional area 0.25m that earth is housed
2basin in, all the other are with embodiment 1.Flucarbazone and the composite synergy to ox chickweed of clodinafop-propargyl two yuan measure (after medicine 20d) and the results are shown in Table 4.
Table 4 flucarbazone and the composite synergy to ox chickweed of clodinafop-propargyl two yuan measure (after medicine 20d)
Embodiment 4
After V.persica Poir seed-soaking, after vernalization, point is sowed at the sectional area 0.25m that earth is housed
2basin in, all the other are with embodiment 1.Flucarbazone and the composite synergy to V.persica Poir of clodinafop-propargyl two yuan measure (after medicine 20d) and the results are shown in Table 5.
Table 5 flucarbazone and the composite synergy to V.persica Poir of clodinafop-propargyl two yuan measure (after medicine 20d)
From table 2 ~ table 5 data, from table 2-table 5 data, the preventive effect of flucarbazone to wild oat and ox chickweed is better, poor to the control efficiency of amur foxtail and V.persica Poir; Clodinafop-propargyl is better to the preventive effect of amur foxtail, V.persica Poir, compensate for the deficiency of flucarbazone to amur foxtail and V.persica Poir preventive effect.The mixture of 5 different compound proportions is to the E-E of wild oat
0value is respectively 2.1, and 3.9,7.2,5.9,3.5; To the E-E of amur foxtail
0value is respectively 1.5, and 4.0,5.3,4.1,3.5; To the E-E of ox chickweed
0value is respectively 5.1, and 6.4,7.8,6.0,3.0; To the E-E of V.persica Poir
0value is respectively 6.4, and 7.2,9.1,6.5,4.6.E-E
0value, all between 0-10%, illustrates that flucarbazone and the synergy of clodinafop-propargyl mixture to wild oat, amur foxtail, ox chickweed, V.persica Poir belong to additive effect.It is effective that flucarbazone prevents and kill off broad leaved weed, clodinafop-propargyl is effective to grassy weed, after both mixtures, herbicidal spectrum can be complementary, and flucarbazone and the synergy of clodinafop-propargyl mixture to wild oat, amur foxtail, ox chickweed, V.persica Poir belong to addition, therefore, both mixture control wheat paddock annual weed are feasible, are also necessary.
Consider production cost, herbicidal effect, synergy situation, carry out product composite produce time select flucarbazone and the ratio of clodinafop-propargyl active ingredient to be that the ratio of 1.2:2.0 (6:10) is carried out composite, total active constituent content is 16%.
16% flucarbazone clodinafop-propargyl dispersibles oil-suspending agent physico-chemical constant measurement result
| Measure item | Condition determination | Measurement result |
| Color | 23.9℃ | White |
| Physical state | 23.9℃ | Suspension liquid |
| Smell | 23.9℃ | Tasteless |
| Density | 20.0℃ | 1.208g/mL |
| To packaging material corrosivity | 54.0℃ | To packaging material non-corrosiveness |
| Thermal explosion | N/A | Without thermal explosion |
| Flash-point | N/A | Boiling point (96.8 DEG C) is below without flash-point |
| Viscosity | 20.0℃ | 789.8mPa·s |
16% flucarbazone clodinafop-propargyl dispersibles oil-suspending agent item controlled index
16% flucarbazone clodinafop-propargyl dispersibles the environmental influence of oil-suspending agent
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (4)
1. a flucarbazone and clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, it is characterized in that: the active ingredient dispersibling oil-suspending agent of this compound herbicide is made up of following component according to mass percent:
Flucarbazone: 6%;
Clodinafop-propargyl: 10%.
2. a kind of flucarbazone according to claim 1 and clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, it is characterized in that: the oil-suspending agent that dispersibles of compound herbicide also comprises dispersant fatty alcohol-polyoxyethylene ether, wetting agent phenethyl phenol APEO, thickener xanthans, preservative sodium benzoate, six kinds of auxiliary agents and the sub-dispersant fatty alcohol-polyoxyethylene ether such as continuous phase deionized water and defoamer, wetting agent phenethyl phenol APEO, thickener xanthans, preservative sodium benzoate, shared by continuous phase deionized water and defoamer, mass content is respectively: 3%, 5%, 0.5%, 0.3%, 74.7%, 0.5%.
3. a kind of flucarbazone according to claim 1 and clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, it is characterized in that: described flucarbazone and the total active constituent content of clodinafop-propargyl are 16%.
4. an a kind of flucarbazone as described in any one of claims 1 to 3 and clodinafop-propargyl compound herbicide dispersible oil-suspending agent and preparation method thereof, it is characterized in that: described compound herbicide dispersible oil-suspending agent preparation method, comprise each raw and auxiliary material suction preparation still mixing and stirring, just grind through colloid mill, then through sand mill fine grinding, filter, and control suspensibility >=90%, 75 μm of testing sieve percent of pass >=98%, after sample analysis is qualified, metering, packaging, warehouse-in.
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106359437A (en) * | 2016-08-29 | 2017-02-01 | 广东中迅农科股份有限公司 | Weeding composition containing clodinafop-propargyl, flucarbazone-sodium and florasulam |
| CN106465722A (en) * | 2016-08-29 | 2017-03-01 | 广东中迅农科股份有限公司 | Herbicidal combinations containing clodinafop-propargyl and pinoxaden and flucarbazone |
| CN106857623A (en) * | 2017-03-17 | 2017-06-20 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition containing clodinafop-propargyl, flucarbazone and mesosulfuron |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106359437A (en) * | 2016-08-29 | 2017-02-01 | 广东中迅农科股份有限公司 | Weeding composition containing clodinafop-propargyl, flucarbazone-sodium and florasulam |
| CN106465722A (en) * | 2016-08-29 | 2017-03-01 | 广东中迅农科股份有限公司 | Herbicidal combinations containing clodinafop-propargyl and pinoxaden and flucarbazone |
| CN106857623A (en) * | 2017-03-17 | 2017-06-20 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition containing clodinafop-propargyl, flucarbazone and mesosulfuron |
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Application publication date: 20160504 |