CN104719319A - Weeding composition containing halauxifen-methyl, carfentrazone-ethyl and flucarbazone-sodium - Google Patents
Weeding composition containing halauxifen-methyl, carfentrazone-ethyl and flucarbazone-sodium Download PDFInfo
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- CN104719319A CN104719319A CN201510129998.XA CN201510129998A CN104719319A CN 104719319 A CN104719319 A CN 104719319A CN 201510129998 A CN201510129998 A CN 201510129998A CN 104719319 A CN104719319 A CN 104719319A
- Authority
- CN
- China
- Prior art keywords
- flucarbazone
- azoles humulone
- fluorine chloropyridine
- chloropyridine ester
- sodium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000203 mixture Substances 0.000 title claims abstract description 29
- 238000009333 weeding Methods 0.000 title abstract description 8
- 239000005563 Halauxifen-methyl Substances 0.000 title abstract description 6
- UOUXAYAIONPXDH-UHFFFAOYSA-M flucarbazone-sodium Chemical compound [Na+].O=C1N(C)C(OC)=NN1C(=O)[N-]S(=O)(=O)C1=CC=CC=C1OC(F)(F)F UOUXAYAIONPXDH-UHFFFAOYSA-M 0.000 title abstract description 6
- KDHKOPYYWOHESS-UHFFFAOYSA-N halauxifen-methyl Chemical group NC1=C(Cl)C(C(=O)OC)=NC(C=2C(=C(OC)C(Cl)=CC=2)F)=C1 KDHKOPYYWOHESS-UHFFFAOYSA-N 0.000 title abstract description 6
- 239000005492 Carfentrazone-ethyl Substances 0.000 title abstract 5
- MLKCGVHIFJBRCD-UHFFFAOYSA-N ethyl 2-chloro-3-{2-chloro-5-[4-(difluoromethyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-4-fluorophenyl}propanoate Chemical group C1=C(Cl)C(CC(Cl)C(=O)OCC)=CC(N2C(N(C(F)F)C(C)=N2)=O)=C1F MLKCGVHIFJBRCD-UHFFFAOYSA-N 0.000 title abstract 5
- 241000196324 Embryophyta Species 0.000 claims abstract description 38
- RMFGNMMNUZWCRZ-UHFFFAOYSA-N Humulone Natural products CC(C)CC(=O)C1=C(O)C(O)(CC=C(C)C)C(O)=C(CC=C(C)C)C1=O RMFGNMMNUZWCRZ-UHFFFAOYSA-N 0.000 claims description 72
- 150000003851 azoles Chemical class 0.000 claims description 72
- GINFBXXYGUODAT-UHFFFAOYSA-N flucarbazone Chemical compound O=C1N(C)C(OC)=NN1C(=O)NS(=O)(=O)C1=CC=CC=C1OC(F)(F)F GINFBXXYGUODAT-UHFFFAOYSA-N 0.000 claims description 72
- VMSLCPKYRPDHLN-NRFANRHFSA-N humulone Chemical compound CC(C)CC(=O)C1=C(O)C(CC=C(C)C)=C(O)[C@@](O)(CC=C(C)C)C1=O VMSLCPKYRPDHLN-NRFANRHFSA-N 0.000 claims description 72
- -1 fluorine chloropyridine ester Chemical class 0.000 claims description 47
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- 238000009736 wetting Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
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- 229920001285 xanthan gum Polymers 0.000 description 3
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 2
- AXTGDCSMTYGJND-UHFFFAOYSA-N 1-dodecylazepan-2-one Chemical compound CCCCCCCCCCCCN1CCCCCC1=O AXTGDCSMTYGJND-UHFFFAOYSA-N 0.000 description 2
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 2
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- 244000025254 Cannabis sativa Species 0.000 description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 2
- 244000264242 Descurainia sophia Species 0.000 description 2
- 235000017680 Descurainia sophia Nutrition 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
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- 230000009036 growth inhibition Effects 0.000 description 2
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- 239000000463 material Substances 0.000 description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
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- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 2
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 2
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical class [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 2
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 2
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
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- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 2
- GYICYQJEVCIYJY-UHFFFAOYSA-N thiophen-1-ylidenemethanone Chemical compound O=C=S1C=CC=C1 GYICYQJEVCIYJY-UHFFFAOYSA-N 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- RQJQQSAYDFANNM-UHFFFAOYSA-N 2,3-dibutylnaphthalene-1-sulfonic acid;formaldehyde Chemical compound O=C.C1=CC=C2C(S(O)(=O)=O)=C(CCCC)C(CCCC)=CC2=C1 RQJQQSAYDFANNM-UHFFFAOYSA-N 0.000 description 1
- WTLNOANVTIKPEE-UHFFFAOYSA-N 2-acetyloxypropanoic acid Chemical compound OC(=O)C(C)OC(C)=O WTLNOANVTIKPEE-UHFFFAOYSA-N 0.000 description 1
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 1
- FSLGRPCWSUDGGH-UHFFFAOYSA-N 2-methylnaphthalene-1-sulfonic acid;sodium Chemical compound [Na].C1=CC=CC2=C(S(O)(=O)=O)C(C)=CC=C21 FSLGRPCWSUDGGH-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a weeding composition containing halauxifen-methyl, carfentrazone-ethyl and flucarbazone-sodium. Effective ingredients of the weeding composition consist of halauxifen-methyl, carfentrazone-ethyl and flucarbazone-sodium, wherein the part-by-weight ratio of halauxifen-methyl to carfentrazone-ethyl to flucarbazone-sodium is (1-10): (1-20): (1-25). The weeding composition disclosed by the invention has a remarkable synergistic effect, the wheat-paddock annual weed preventing and weeding effects are obviously superior to the effect of halauxifen-methyl, carfentrazone-ethyl or flucarbazone-sodium, the weed control spectrum is enlarged, meanwhile, the consumption of pesticides is reduced, the generation of drug resistance of weeds is delayed, and environmental pollution is reduced.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations containing fluorine chloropyridine ester and azoles humulone and flucarbazone, is with fluorine chloropyridine ester, azoles humulone, flucarbazone for active ingredient, for preventing and kill off wheat paddock annual weed.
Background technology
At present, chemical control remains the means main in the Farmland weed comprehensive regulation.But long-term use single chemical herbicide continuously high dose, easily cause environmental pollution, easily to develop immunity to drugs etc. to crop generation poisoning and weeds problem.Meanwhile, because grass when weeds in field occurs is complicated, of a great variety mutually, as the mixing of the weeds such as grassy weed, broad leaved weed occurs, the use of single variety can not effectively address this problem, all can show defect in a certain respect.Rational chemical herbicide is composite to be had and expands herbicidal spectrum, improves control efficiency, extends the optimum period for applying fertilizer, reduces dosage, reduces poisoning, reduces and remain, delay the plurality of advantages such as drug-fast generation and development.Visible, chemical herbicide is composite is one of the effective method the most solved the problem.
Fluorine chloropyridine ester (halauxifen-methyl), belong to pyridine carboxylic acid class weed killer herbicide, the mechanism of action is auxins growth inhibitor, is mainly used in preventing and treating the broad leaved weed in wheat paddock, especially has special efficacy to clearvers, chickweed and cannabis weeds.It is by microorganism fast degradation in the environment, can be succeeding crop plantation and provides larger flexibility.
Azoles humulone (fcarfentrazone-ethyl), belong to triazolineone contact killing type selective herbicide, the mechanism of action is the accumulation by suppressing proporphyrinogen oxidase to cause poisonous intermediate, thus destroys the cell membrane of weeds, makes blade withered, dead rapidly.Be applicable to wheat, barley, paddy rice, seeding corn and other crops prevent and kill off broad leaved weed and sedge weed.
Flucarbazone (flucarbazone-sodium), belongs to sulfonylurea internal-suction type efficient wheat field herbicidal, has obvious preventive effect to the grassy weeds such as wild oat, bromegrass, amur foxtail and part broad leaved weed.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.
The present inventor is to fluorine chloropyridine ester, the ternary built of azoles humulone and flucarbazone uses and conducts in-depth research, a large amount of formula indoors screening and field medicine effect test basis on, surprisingly fluorine chloropyridine ester, azoles humulone and flucarbazone carry out ternary built, to bromegrass within the scope of certain compound proportion, Triticum tauschii, wild oat, amur foxtail, Alopecurus, hard grass, Wang grass, Descurainia sophia, shepherd's purse, ox chickweed, chickweed, clearvers, Carolina Cranesbill Herb, common vetch, adhesive hair grasswort, Veronica, field thistle, pivot stores, corn sow thistle, vetch, pale persicaria, the wheat paddock annual weed such as wartwort all show significant synergistic function, after further study, complete the present invention.
Not yet find the relevant report of fluorine chloropyridine ester, azoles humulone and flucarbazone ternary built at present.
Summary of the invention
The object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to the Herbicidal combinations of the weeds of wheat comprehensive regulation.
Technical scheme: a kind of Herbicidal combinations, active ingredient is fluorine chloropyridine ester, azoles humulone, flucarbazone, the ratio of weight and number of fluorine chloropyridine ester, azoles humulone, flucarbazone is 1 ~ 10:1 ~ 20:1 ~ 25, the weight summation percentage by weight in the composition of fluorine chloropyridine ester, azoles humulone and flucarbazone is 1% ~ 85%, and all the other are agriculturally acceptable insecticides adjuvant.
Described Herbicidal combinations can according to well known to a person skilled in the art method, select suitable pesticidal preparations auxiliary element, the application forms that the applicable agricultural productions such as oil-suspending agent, aqueous suspension agent, microemulsion, wetting powder, water dispersible granules and aqueous emulsion use can be processed into.
The auxiliary element that the present invention uses comprises wetting agent, stabilizing agent, dispersant, disintegrant, thickener, pH adjusting agent, defoamer, antifreezing agent, filler etc., be all auxiliary agent conventional in Pesticide formulation, concrete composition and consumption are determined by test according to recipe requirements.
Herbicidal combinations provided by the invention, is applicable to prevent and kill off wheat paddock annual weed.
The frequency of administration of Herbicidal combinations provided by the invention and amount of application change with crops, weeds, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Product described in the invention can the form of finished product preparation provide, and namely in composition, each material mixes, and the composition of composition also can the form of single dose provide, and directly mixes in tank or bucket, be then diluted to required concentration before using.
Herbicidal combinations provided by the invention has following beneficial effect:
1, fluorine chloropyridine ester, azoles humulone and flucarbazone ternary built have significant synergistic function, use compare the control efficiency significantly improved weeds than single dose or binary built, and expand herbicide spectrum.
2, fluorine chloropyridine ester, azoles humulone and flucarbazone ternary built, the mechanism of action is different, and action site increases, and can delay the generation of herbicide resistance.
3, fluorine chloropyridine ester, azoles humulone and flucarbazone ternary built, decrease Pesticide use amount, reduce use cost, alleviates the pollution to environment.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
In following each embodiment, active ingredient adopts the former medicine of 93% fluorine chloropyridine ester, the former medicine of 90% azoles humulone and the former medicine of 95% flucarbazone, and each component percentages is weight percentage.
Example of formulations 1:70% fluorine chloropyridine ester azoles humulone flucarbazone water dispersible granules.
Fluorine chloropyridine ester 10%, azoles humulone 30%, flucarbazone 30%, lauryl sodium sulfate 5%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products 5%, to methoxyl group fatty acyl anilinesulfonic acid 5%, sodium hexametaphosphate 3%, hydroxyethylcellulose 0.5%, silicone oil 0.1%, anhydrous calcium chloride 0.1%, diatomite supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant, binding agent, defoamer, stabilizing agent and solid carrier are mixed, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out granulation, drying, screening, 70% fluorine chloropyridine ester azoles humulone flucarbazone water dispersible granules can be obtained.
Example of formulations 2:60% fluorine chloropyridine ester azoles humulone flucarbazone water dispersible granules.
Fluorine chloropyridine ester 5%, azoles humulone 30%, flucarbazone 25%, sldium lauryl sulfate 5%, dibutyl naphthalenesulfonic acid formaldehyde condensation products 5%, to methoxyl group fatty acyl anilinesulfonic acid 5%, sodium hexametaphosphate 3%, polyvinyl acetate 0.5%, capric acid 0.1%, epoxychloropropane 0.1%, diatomite supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant, binding agent, defoamer, stabilizing agent and solid carrier are mixed, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out granulation, drying, screening, 60% fluorine chloropyridine ester azoles humulone flucarbazone water dispersible granules can be obtained.
Example of formulations 3:80% fluorine chloropyridine ester azoles humulone flucarbazone wetting powder.
The formaldehyde condensation products 5% of fluorine chloropyridine ester 10%, azoles humulone 40%, flucarbazone 30%, aerosol-OT salt 3%, modified alkyl sulfonate 5%, methyl naphthalene sulfonic acid sodium, attapulgite supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant and solid carrier are mixed, again through air-flow crushing after mechanical crushing, mixes, 80% fluorine chloropyridine ester azoles humulone flucarbazone wetting powder can be obtained.
Example of formulations 4:70% fluorine chloropyridine ester azoles humulone flucarbazone wetting powder.
Fluorine chloropyridine ester 10%, azoles humulone 20%, flucarbazone 40%, Morwet EFW 5%, sldium lauryl sulfate 5%, epoxidized polyether 5%, bentonite supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant and solid carrier are mixed, again through air-flow crushing after mechanical crushing, mixes, 70% fluorine chloropyridine ester azoles humulone flucarbazone wetting powder can be obtained.
Example of formulations 5:20% fluorine chloropyridine ester azoles humulone flucarbazone oil-suspending agent.
Fluorine chloropyridine ester 5%, azoles humulone 5%, flucarbazone 10%, phenethyl phenol polyoxyethyl ether 5%, fatty alcohol-polyoxyethylene ether 5%, naphthalene sulfonic acid condensate sodium salt 10%, to methoxyl group fatty acyl anilinesulfonic acid 5%, xanthans 2%, corn oil supplies 100%.By above-mentioned active ingredient, emulsifier, dispersant, thickener and liquid-carrier after sand milling in high speed shear dispersion, sand mill, the high dispersive formed in non-water-medium, stable suspension system, can obtain 20% fluorine chloropyridine ester azoles humulone flucarbazone oil-suspending agent.
Example of formulations 6:14% fluorine chloropyridine ester azoles humulone flucarbazone oil-suspending agent.
Fluorine chloropyridine ester 2%, azoles humulone 6%, flucarbazone 6%, ethoxylated castor oil 5%, phenethyl phenol polyethenoxy ether 5%, epoxidized polyether 10%, to methoxyl group fatty acyl anilinesulfonic acid 5%, polyvinyl acetate 2%, corn oil supplies 100%.By above-mentioned active ingredient, emulsifier, dispersant, thickener and liquid-carrier after sand milling in high speed shear dispersion, sand mill, the high dispersive formed in non-water-medium, stable suspension system, can obtain 14% fluorine chloropyridine ester azoles humulone flucarbazone oil-suspending agent.
Example of formulations 7:30% fluorine chloropyridine ester azoles humulone flucarbazone microemulsion.
Fluorine chloropyridine ester 5%, azoles humulone 10%, flucarbazone 15%, trimethylbenzene 10%, 2-butyl acetate 10%, phenethyl phenol polyoxyethylene polyoxypropylene ether 10%, epoxidized soybean oil 2%, organosilicon 1%, thiophene ketone 2%, deionized water supplies 100%.Active ingredient solvent is dissolved completely, and then add emulsifier, stabilizing agent, bleeding agent, synergist mix, finally add deionized water, after fully stirring, 30% fluorine chloropyridine ester azoles humulone flucarbazone microemulsion can be obtained.
Example of formulations 8:35% fluorine chloropyridine ester azoles humulone flucarbazone microemulsion.
Fluorine chloropyridine ester 10%, azoles humulone 15%, flucarbazone 10%, ethanol 10%, dimethyl carbonate 10%, castor oil polyoxyethyl ether 10%, butylated hydroxy anisole 2%, organosilicon 1%, thiophene ketone 2%, deionized water supplies 100%.Active ingredient solvent is dissolved completely, and then add emulsifier, stabilizing agent, bleeding agent, synergist mix, finally add deionized water, after fully stirring, 35% fluorine chloropyridine ester azoles humulone flucarbazone microemulsion can be obtained.
Example of formulations 9:35% fluorine chloropyridine ester azoles humulone flucarbazone aqueous emulsion.
Fluorine chloropyridine ester 5%, azoles humulone 15%, flucarbazone 15%, alkylaryl polyoxyethylene polyoxypropylene ether 10%, soybean oil 10%, 2-butyl acetate 10%, propane diols 2%, silicone oil 0.5%, gum Arabic 0.2%, Sodium Benzoate 0.1%, deionized water complements to 100%.First by active ingredient, emulsifier, solvent together, dissolving becomes uniform oil phase.Then again part water and antifreezing agent, defoamer, thickener, preservative are mixed, dissolve and become uniform aqueous phase.Then aqueous phase is joined oil phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, 35% fluorine chloropyridine ester azoles humulone flucarbazone aqueous emulsion can be obtained.
Example of formulations 10:10% fluorine chloropyridine ester azoles humulone flucarbazone aqueous emulsion.
Fluorine chloropyridine ester 2%, azoles humulone 3%, flucarbazone 5%, alkylaryl polyoxyethylene polyoxypropylene ether 10%, methyl naphthalene 10%, 2-butyl acetate 10%, propane diols 2%, capric acid 0.5%, xanthans 0.2%, nipasol 0.1%, deionized water complements to 100%.First by active ingredient, emulsifier, solvent together, dissolving becomes uniform oil phase.Then again part water and antifreezing agent, defoamer, thickener, preservative are mixed, dissolve and become uniform aqueous phase.Then aqueous phase is joined oil phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, 10% fluorine chloropyridine ester azoles humulone flucarbazone aqueous emulsion can be obtained.
Example of formulations 11:20% fluorine chloropyridine ester azoles humulone flucarbazone aqueous suspension agent.
Fluorine chloropyridine ester 5%, azoles humulone 5%, flucarbazone 10%, naphthalene sulfonic acid condensate sodium salt 3%, sodium phosphate trimer 3%, aerosol-OT salt 2%, xanthans 2%, glycerine 2%, silicone oil 0.1%, calcium propionate 0.1%, azone 1.5%, deionized water supplies 100%.Above-mentioned active ingredient, dispersant, wetting agent, thickener, antifreezing agent, defoamer, preservative, synergist and deionized water are mixed, sand milling in high speed shear dispersion, sand mill, the high dispersive formed in water-medium, stable suspension system, can obtain 20% fluorine chloropyridine ester azoles humulone flucarbazone aqueous suspension agent.
Example of formulations 12:25% fluorine chloropyridine ester azoles humulone flucarbazone aqueous suspension agent.
Fluorine chloropyridine ester 10%, azoles humulone 5%, flucarbazone 10%, to methoxyl group fatty acyl anilinesulfonic acid 3%, carboxymethyl cellulose 4%, sldium lauryl sulfate 2%, sodium alginate 2%, glycerine 2%, silicone oil 0.1%, p-hydroxybenzoic acid isopropyl ester 0.1%, azone 1.5%, deionized water supplies 100%.Above-mentioned active ingredient, dispersant, wetting agent, thickener, antifreezing agent, defoamer, preservative, synergist and deionized water are mixed, sand milling in high speed shear dispersion, sand mill, the high dispersive formed in water-medium, stable suspension system, can obtain 25% fluorine chloropyridine ester azoles humulone flucarbazone aqueous suspension agent.
Assays Example 1: indoor biological active determination test.
Reagent agent: the former medicine of 93% fluorine chloropyridine ester, the former medicine of 90% azoles humulone and the former medicine of 95% flucarbazone.
For examination target: amur foxtail (Alopecurus aequalis Sobol.), shepherd's purse (Capsellabursa-pastoris (L.) Medic).
Medicament configuration design: fluorine chloropyridine ester single dose is configured to 1,3,5g.a.i./ha solution for standby; Azoles humulone single dose is configured to 4,10,16g.a.i./ha solution for standby; Flucarbazone single dose is configured to 5,12,20g.a.i./ha solution for standby; Fluorine chloropyridine ester, azoles humulone and flucarbazone mixture are configured to 1+4+5,1+4+12,1+4+20,1+10+5,1+10+12,1+10+20,1+16+5,1+16+12,1+16+20,3+4+5,3+4+12,3+4+20,3+10+5,3+10+12,3+10+20,3+16+5,3+16+12,3+16+20,5+4+5,5+4+12,5+4+20,5+10+5,5+10+12,5+10+20,5+16+5,5+16+12,5+16+20g.a.i./ha solution for standby.
Test method: at the in-built quantitative soil of the polypots of high 6cm, diameter 9cm, will for 15 ~ 20 sowings of examination target weed seed in polypots, be placed in greenhouse after the fine earth that lid 0.5 ~ 1cm is thick and cultivate, treat that weeds grow to the 2-3 leaf phase and carry out spraying process, every alms bowl spraying liquid 1mL, often process repetition 4 times, and set the process not containing medicament as contrasting.After process, examination material is placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation, and claim acrial part fresh weight after 20d, evaluates medicament to the toxicity action of target weeds with target fresh weight inhibition.
Investigation method: estimate target damage symptoms and growth inhibition situation after test process 20d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).
Synergy evaluation method: evaluate weed killer herbicide mode of application (NY/T1155.7-2006) according to Colby method, its formula is: E
0=X × Y × Z/100
2, in formula, X be fluorine chloropyridine ester alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; Y be azoles humulone alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; Z be flucarbazone alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; E
0for when fluorine chloropyridine ester, azoles humulone and flucarbazone three kinds of pharmacy mix to target weeds fresh weight inhibition being the theoretical value of the percentage contrasted; E is fluorine chloropyridine ester, azoles humulone and flucarbazone three kinds of pharmacy mix time be the measured value of percentage of contrast to target weeds fresh weight inhibition.
Evaluation criterion: work as E
0synergistic effect is expressed as, as-10%≤E during-E>10%
0be expressed as summation action during-E≤10%, work as E
0antagonism is expressed as during-E<-10%.
As can be seen from the Toxicity Determination result of table 1, fluorine chloropyridine ester, azoles humulone and flucarbazone Ternary respectively process the E to amur foxtail
0-E (%) value is all greater than 10%, and more than 20%, illustrates that three is composite and have significant synergistic function to amur foxtail; As can be seen from the Toxicity Determination result of table 2, fluorine chloropyridine ester, azoles humulone and flucarbazone Ternary respectively process the E to shepherd's purse
0-E (%) value is all greater than 10%, and more than 20%, illustrates that three is composite and have significant synergistic function too to shepherd's purse.As can be seen here, fluorine chloropyridine ester, azoles humulone and flucarbazone Ternary have reasonability and feasibility.
Table 1, each chemicals treatment are to the Toxicity Determination result of amur foxtail
Table 2, each chemicals treatment are to the Toxicity Determination result of shepherd's purse
Assays Example 2: field control effectiveness test.
Drug effect demonstration test is carried out at wheat paddock, 10 process are established in test altogether, often 3 repetitions are established in process, process 1 is 70% fluorine chloropyridine ester azoles humulone flucarbazone water dispersible granules (10:30:30), process 2 is 14% fluorine chloropyridine ester azoles humulone flucarbazone oil-suspending agent (2:6:6), process 3 is 35% fluorine chloropyridine ester azoles humulone flucarbazone aqueous emulsion (5:15:15), process 4 is 40% fluorine chloropyridine ester azoles humulone water dispersible granules (10:30), process 5 is 40% fluorine chloropyridine ester flucarbazone water dispersible granules (10:30), process 6 is 60% azoles humulone flucarbazone water dispersible granules (30:30), process 7 is 75 grams per liter fluorine chloropyridine emulsifiable concentrates, process 8 is 40% azoles humulone water dispersible granules, process 9 is 70% flucarbazone water dispersible granules, process 10 is contrast (not dispenser not weeding), 30 days each process weeds death condition of statistics after medicine also calculate preventive effect.
The field control effectiveness test result of table 3, each chemicals treatment eliminating weed in wheat field
As can be seen from Table 3, after medicine, 30 days ternary builts (process 1, process 2 and process 3) use and all will to use apparently higher than binary built (process 4, process 5 and process 6) the preventive effect of the annual weed such as wheat paddock amur foxtail, wild oat, Triticum tauschii, shepherd's purse, Descurainia sophia and clearvers and single dose (process 7, process 8 and process 9) be used alone, and do not find that process 1, process 2 and process 3 pairs of wheats produce poisoning in pilot survey process simultaneously.As can be seen here, ternary weeding composition obvious synergy of the present invention, compares binary built or single dose and is used alone and expands herbicide spectrum, improve preventive effect, effectively can prevent and kill off the various weeds of wheat paddock, to crop safety, be worth applying in agricultural production.
Claims (4)
1. contain a Herbicidal combinations for fluorine chloropyridine ester and azoles humulone and flucarbazone, it is characterized in that: active ingredient is fluorine chloropyridine ester, azoles humulone, flucarbazone; The ratio of weight and number of fluorine chloropyridine ester, azoles humulone, flucarbazone is 1 ~ 10:1 ~ 20:1 ~ 25, and the weight summation percentage by weight in the composition of fluorine chloropyridine ester, azoles humulone and flucarbazone is 1% ~ 85%.
2. the Herbicidal combinations containing fluorine chloropyridine ester and azoles humulone and flucarbazone according to claim 1, is characterized in that: described Herbicidal combinations also contains pesticidal preparations auxiliary element, to make the application forms of applicable agricultural use.
3. the Herbicidal combinations containing fluorine chloropyridine ester and azoles humulone and flucarbazone according to claim 2, is characterized in that: its formulation is the one in oil-suspending agent, aqueous suspension agent, microemulsion, wetting powder, water dispersible granules and aqueous emulsion.
4. a kind of Herbicidal combinations containing fluorine chloropyridine ester and azoles humulone and flucarbazone according to claim 1 is preventing and kill off the application in wheat paddock annual weed.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105284856A (en) * | 2015-10-18 | 2016-02-03 | 广东中迅农科股份有限公司 | Weeding combination containing halauxifen-methyl and thiencarbazone-methyl |
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