CN102960357A - Weed control composition containing ametryn, sulfentrazone and flazasulfuron and application thereof - Google Patents
Weed control composition containing ametryn, sulfentrazone and flazasulfuron and application thereof Download PDFInfo
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- CN102960357A CN102960357A CN2012105285889A CN201210528588A CN102960357A CN 102960357 A CN102960357 A CN 102960357A CN 2012105285889 A CN2012105285889 A CN 2012105285889A CN 201210528588 A CN201210528588 A CN 201210528588A CN 102960357 A CN102960357 A CN 102960357A
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Abstract
The invention provides a weed control composition containing ametryn, sulfentrazone and flazasulfuron and an application thereof, which relate to the weed control composition. The weed control composition comprises the ametryn, the sulfentrazone and the flazasulfuron which serve as active materials. The invention also relates to a method for disposing unwanted plants by using the weed control composition. The weed control composition contains the active materials which are the ametryn, sulfentrazone and flazasulfuron. According to the weed control composition, the weight ratio of the ametryn to the sulfentrazone is (30:1)-(1:30), the weight ratio of the ametryn or sulfentrazone to the flazasulfuron is (90:1)-(1:10), and the total weight of the ametryn, sulfentrazone and flazasulfuron accounts for 5-95% of the weight of the weed control composition. The weed control composition is mainly used for preventing and killing off weeds, especially cyperus rotundus in sugar crane farms, corn fields, citrus orchards and other places.
Description
Technical field
What a kind of Herbicidal combinations containing ametryn, sulfentrazone and flazasulfuron of the present invention and uses thereof related to is a kind of Herbicidal combinations, and it comprises that ametryn, sulfentrazone and flazasulfuron are as active substance.The invention still further relates to and use described Herbicidal combinations to process the method for the vegetation of not expecting
Background technology
Other plant of cover crop antagonism weeds and inhibition plant growth is the difficult problem occurred again and again in agricultural management.For helping to address these problems, the researchers in synthetic chemistry field have produced preventing and treating the effective various chemicals of this unwanted growth and chemicals.Permitted eurypalynous chemical herbicide and be disclosed in document, and a lot of type is commercial.
In some cases, it is more effective when using separately that herbicidal active component seems when combined administration, this phenomenon is known as " synergy ", because such effect or activity level have been showed in described combination, it exceeds independent effect information based on component and expects the effect had.The present invention is based on such discovery, show synergistic when ametryn and sulfentrazone and flazasulfuron combined administration, and their independent herbicidal properties is known.It is well known in the prior art to the effect of plant growth separately to form composition of the present invention.
The crop weeds in field such as sugarcane field are of a great variety, and density is large, and amount of growth is large, adopt single medicament to be prevented and treated, and crop smothering can not effectively be suppressed and reduce, and often are difficult to control their growth that spreads; The complex weedicide the present invention relates to has fine preventive effect to single, double cotyledon sugarcane field weeds, especially the malignant weed such as rhizome of nutgrass flatsedge.
The ametryn chemistry is by name: N-2-ethylamino--N-4-isopropylamino-6-methyl mercapto-1,3,5-triazines is a kind of triazine selectivity inner-adsorption conduction-type herbicide, colourless crystallization.Ametryn absorbs by root system of plant and cauline leaf.After plant absorbs ametryn, upwards conduct and concentrate on the plant apical meristem, suppressing electronics transmission in sensitive plant photosynthesis, causing nitrite accumulation in blade, reaching the weeding purpose.Its solvability in water is 185 mg/L(20 ℃).Dissolve in organic solvent.Form 6-hydroxyl body with strong acid, highly basic hydrolysis.Photosynthesis to plant has machining function, belongs to selective herbicide.The herbicide effect is rapid, can be formed the medicine layer by 0-5 centimetre of adsorption by soil, contact medicament when weed germination is unearthed.Weed control efficacy to firm sprouting is best.Multiplex in annual weeds in field such as control lady's-grass, green foxtail.Controlling object barnyard grass, eleusine indica, Bermuda grass, lady's-grass, ditch millet, green foxtail, large broomcorn millet, knucklegrass, moleplant seed, piemarker, tassel flower, chrysanthemum celery, Euphorbia, Polygonum, pondweed, common calla, field shepherd's purse, Ageratum conyzoides, common sow thistle, hollow lotus seeds dish, kyllinga brevifolia, three-coloured amaranth, beggar-ticks, Rottboellia exaltata, field bindweed, arm shape grass, Chenopodium, crotalaria mucronata, Chufa etc.Its structural formula is:
The sulfentrazone chemical name is: 2 ', 4 '-bis-chloro-5 '-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl) methylsulfonylphenylamines.Belong to proporphyrinogen oxidase inhibitor.By suppressing proporphyrinogen oxidase, make in plant cell to produce excessive protoporphyrin IX, the latter is sensitising agent, causes in cell producing active oxygen, finally causes cell membrane, and vesicular membranes etc. break, and the cell Dissolve things inside oozes out, withered dead.Soil half life period 110-280 days, cauline leaf is processed, soil treatment all can.Can prevent and treat lead a cow, 1 year living broad leaved weed, grassy weed and the nutgrass flatsedge etc. such as Amaranthus retroflexus, lamb's-quarters, datura, lady's-grass, green foxtail, Siberian cocklebur, eleusine indica, the rhizome of nutgrass flatsedge.Its structure can be expressed as:
Flazasulfuron, chemical name 1-(4,6-dimethoxypyridin-2-yl)-3-(3-trifluoromethyl-2-pyridine sulphonyl) urea.Sulfonylurea herbicide. the main reaction that suppresses the predecessor acetolactate synthestase of generation side chain amino acid, leucine, isoleucine and valine.Flazasulfuron is interior absorption translocated herbicide, can be weeds cauline leaf and root absorption, in plant corpus, conduct subsequently, by suppressing the biosynthesis of side chain amino acid in plant corpus, and cause sensitive plant growth retardation, cauline leaf chlorisis, withered gradually, generally newborn blade chlorisis in 4-5 days, then expand to whole plant, and within 20-30 days, weeds are thoroughly dead.Can be used for broadleaved herb, nutgrass flatsedge and grassy weed, outstanding especially to barnyard grass, green foxtail, tool awns cyperus iria, green amaranth, annual bluegrass, shepherd's purse, benbie, chickweed, common vetch preventive effect.Especially the perennial sedge weeds such as the rhizome of nutgrass flatsedge, kyllinga brevifolia are had to remarkable effect.Overcome other weed killer herbicides and prevented and kill off the shortcoming that the rhizome of nutgrass flatsedge needs continuous administration 2 times.The chemical structural formula of flazasulfuron is:
Therefore, the present invention can well control multiple annual and biennial grass family, sedge weed and broadleaf weed by ametryn, fomesafen, the combination of pyrrole grass ether.At present also not relevant for the report by ametryn, sulfentrazone, flazasulfuron Combination application.
Summary of the invention
The present invention seeks to as solving above-mentioned at least one problem or its at least one aspect, in particular for effectively controlling weeds, through the large number of biological test screen, the unexpected discovery of the inventor can be by ametryn, sulfentrazone, flazasulfuron composition for crop weeds in field such as prevention or control sugarcane fields.This composition effect is good especially.
Therefore, an object of the present invention is to provide a kind of ametryn, sulfentrazone, flazasulfuron Herbicidal combinations as active component that comprises.
A kind of Herbicidal combinations containing ametryn, sulfentrazone and flazasulfuron and uses thereof is to take following technical scheme to realize:
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, is characterized in that: contain active component ametryn, sulfentrazone and flazasulfuron.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, the weight ratio of described ametryn and sulfentrazone is 30:1-1:30, preferably 20:1-1:20.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, the weight ratio of described ametryn or sulfentrazone and flazasulfuron be or 90:1-1:10, preferred 80:1-1:10, more preferred 50:1-1:10, more preferably 30:1-1:10.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, described ametryn, sulfentrazone, flazasulfuron account for described Herbicidal combinations 5%-100% by weight altogether, preferably 10%-80%, more preferably 20%-60%.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, the weight ratio that the amount of described ametryn accounts for whole Herbicidal combinations is 2%-90%, preferably 10%-80%, more preferably 20%-50%.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, the percentage by weight that the amount of described sulfentrazone accounts for whole Herbicidal combinations is 2%-90%, preferably 10%-80%, more preferably 20%-50%.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, the percentage by weight that the amount of described flazasulfuron accounts for whole Herbicidal combinations is 1-30%, preferably 2-25%, more preferably 5-10%.
Described a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, also comprise carrier, surfactant, reach the upper applicable auxiliary agents of other agriculturals.
Described a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, formulation is: aqueous suspension agent, oil-suspending agent, suspension emulsion, missible oil, microemulsion, water dispersible granules, wetting powder, micro-capsule suspension.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, wherein said composition also comprises one or more other active components.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, said composition is for places such as sugarcane, paddy rice, corn, soybean, peanut, sunflower, pineapple, oranges and tangerines, Chinese sorghum, wheat, lawns
.
On the other hand, the present invention also provides a kind of prevention or has controlled the method for not wishing vegetation, and a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, for not wishing the soil of vegetation existence, is not wished to the cauline leaf of vegetation.Emerge and use before crop-planting or before after planting emerging, and the crop postemergence application.
A kind of method of preventing and treating undesirable vegetation, be applied to described Herbicidal combinations existence or expect the place that has undesirable vegetation.
A kind of method of preventing and treating undesirable vegetation, comprise separately, use successively or simultaneously ametryn, sulfentrazone, flazasulfuron.
A kind of method of preventing and treating undesirable vegetation, act on described Herbicidal combinations in the soil of not wishing vegetation existence, do not wish the cauline leaf of vegetation.
A kind of method of preventing and treating undesirable vegetation, by described Herbicidal combinations before crop-planting or the pre-treatment of after planting emerging, or the seedling post processing of crop.
The method of vegetation is not wished in a kind of processing, comprises described Herbicidal combinations is applied to sugarcane, paddy rice, corn, soybean, peanut, sunflower, pineapple, oranges and tangerines, Chinese sorghum, wheat, place, lawn
.
The method of vegetation is not wished in a kind of processing, and described undesirable vegetation comprises monocotyledon weed and the broadleaf weeds such as grass family, sedge family.
The method of vegetation is not wished in a kind of control, and described undesirable vegetation is the rhizome of nutgrass flatsedge.
Ametryn, sulfentrazone, flazasulfuron can separate, use successively or simultaneously in the present invention.
Advantage of the present invention: the present invention contains active component ametryn, sulfentrazone and flazasulfuron, shows obvious synergistic effect during by ametryn and sulfentrazone and flazasulfuron combined administration.The special advantage of the present composition is that they have the extraordinary rear herbicidal activity of emerging, and they show good activity of weeding to the undesirable plant emerged, and also has certain front activity of weeding of emerging simultaneously.Therefore, in the preferred embodiments of the invention, after being emerged, uses composition, among undesirable plant emerges and/or use afterwards.Particularly advantageously, when starting leaf development, undesirable plant uses mixture of the present invention when blooming.Said composition is particularly useful for control and has developed to the undesirable vegetation be difficult to the stage of the conventional composition for preventing and controlling of burning the grass on waste land.
The present invention can well control multiple annual and biennial grass family, sedge weed and broadleaf weed by ametryn, fomesafen, the combination of pyrrole grass ether.
Embodiment
For better describing the present invention, provide following exemplary.
The inventor finds: not only can bring the additive property for herbicidal spectrum to improve ametryn, sulfentrazone, flazasulfuron combination, but also realize amazing synergy.
Term used herein " synergy " is the interaction of two or more factors, thus the effect in when combination is greater than each factor while applying separately corresponding prediction effect.In addition can be referring to Herbicide Handbook, the Weed Science Society of America, Seventh Edition, 1994, P318.
In one embodiment, the invention provides a kind of Herbicidal combinations that comprises ametryn, sulfentrazone, flazasulfuron.
In another embodiment, the invention provides a kind of ametryn, sulfentrazone, flazasulfuron agricultural chemicals Herbicidal combinations as active component that comprises, the weight ratio that it is characterized in that described ametryn and sulfentrazone is: 30:1-1:30, preferably 20:1-1:20; The weight ratio of described ametryn or sulfentrazone and flazasulfuron is: 90:1-1:10, preferred 80:1-1:10, more preferred 50:1-1:10, more preferably 30:1-1:10.
In the present composition, the total amount of active compound component can be selected according to material elements, to realize desired effect.Described factor for example, formulation, object to be administered, application process etc.In one embodiment, ametryn, sulfentrazone, flazasulfuron account for described Herbicidal combinations 5%-100% by weight altogether, preferably 10%-80%, more preferably 20%-60%.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron of the present invention, the percentage by weight that the amount of ametryn accounts for whole Herbicidal combinations is 2%-90%, preferably 10%-80%, more preferably 20%-50%.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron of the present invention, the percentage by weight that the amount of sulfentrazone accounts for whole Herbicidal combinations is 2%-90%, preferably 10%-80%, more preferably 20%-50%.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron of the present invention, the percentage by weight that the amount of flazasulfuron accounts for whole Herbicidal combinations is 1-30%, preferably 2-25%, more preferably 5-10%.
Composition of the present invention optionally comprises acceptable carrier, surfactant safener and the upper applicable auxiliary agent of other agricultural as comprised organic and inorganic thickening agent, bactericide, antifreezing agent, defoamer, colouring agent and for the adhesive of seed preparaton.
The present composition also can comprise one or more safeners.Safener is also referred to as herbicide-safener, and it for causing in some cases the organic compound of better crop plants compatibility when the weed killer herbicide with specific function is co-administered.Some safeners itself are activity of weeding, and in these cases, safener plays antipoison or antagonist and therefore reduces or even prevent the infringement to crop plants in crop plants.
The suitable safener that can be used for the present composition is known by prior art, for example, by as known as Publication about Document:
Farm Chemicals Handbook (agricultural chemicals handbook), 2000, the 86 volumes, Meister Publishing company, 2000;
B．Hock，C，Fedtke，R.R.Schmidt，Herbizide，Georg ThiemeVerlag， Stuttgart 1995；
W.H.Ahrens, berbicide Handbook(weed killer herbicide handbook), the 7th edition [Dan, Weed Science Society of America, 1994; With
K.K.Hatzios, berbicide Handbook(weed killer herbicide handbook), the 7th edition [Dan, Weed Science Society of America, 1998.
Safener comprises benoxacor (benoxacor), cloquintocet (cloquintocet), press down evil nitrile (cyometrinil),, fenchlorazole (fenchlorazole), fenclorim (fenclorim), separate careless amine (flurazole), separate careless furan (furilazole), isoxadifen (isoxadifen), pyrroles's diacid (mefenpyr), naphthalic anhydride (naphthalic anhydride) but conciliate careless eyeball and agricultural salt and in the situation that they have carboxyl, they can agricultural derivative.
As safener, the present composition particularly preferably comprises at least one and is selected from following compound: benoxacor, cloquintocet, press down evil amine, fenchlorazole, fenclorim, solution grass furan, isoxadifen, pyrroles's diacid, naphthalic anhydride, reconciliation grass eyeball; But and agricultural salt.
According to the present invention, term " carrier " refers to can be combined with reactive compound or combine so that it is easier to be administered to the natural or synthetic organic or inorganic compound of object (soil or careless class).Therefore, described carrier is preferably inertia, at least should be agronomically acceptablely.Described carrier can be solid or liquid.Can be used as for example having that solid carrier material uses: the phyteral powdery type (particle of soybean meal, starch, grain dust, wood powder, bark powder, sawdust, walnut shell powder, wheat bran, cellulose powder, coconut husk, corncob and tobacco stem for example, extract residue after plant essence etc.), paper, sawdust, pulverize synthesized polymer body, clay class (such as kaolin, bentonite, acid china clay etc.), the talcum powder class of synthetic resin etc.Silica (for example diatomite, silica sand, mica, moisture silicic acid, calcium silicates), chemical fertilizer, the clay fertilizer of active carbon, natural mineral matter class (float stone, attapulgite and zeolite etc.), the inorganic mineral powder of firing diatomite, sand, plastics medium etc. (such as polyethylene, polypropylene, polyvinylidene chloride etc.), potassium chloride, calcium carbonate, calcium phosphate etc., ammonium sulfate, ammonium phosphate, urea, greening ammonium etc., these materials can be used separately or two or more is mixed.
Can be used as can selecting of liquid carrier materials use in following material, water for example, alcohol type (methyl alcohol for example, ethanol, isopropyl alcohol, butanols, ethylene glycol etc.), ketone (acetone for example, methyl ethyl ketone, isobutyrone, cyclohexanone etc.), ethers (ether for example, dioxanes, methylcellulose, oxolane etc.), aliphatic hydrocarbon class (kerosene for example, the mineral wet goods), aromatic hydrocarbons class (benzene for example, toluene, dimethylbenzene, solvent naphtha, Fluhyzon, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene, Deng), the halogenated hydrocarbon class, amide-type, the sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, the animal wet goods.
For making the emulsification of active ingredient compound, disperse, solubilization, and/or wetting can use surfactant for example can enumerate aromatic sulfonic acid, as lignosulphonic acid (the Borresperse type, Borregard), phenolsulfonic acid, naphthalene sulfonic acids (Morwet type, Akzo Nobel), the dibutyl naphthalene sulfonic acids (the Nekal type, BASF) and the alkali metal salt of fatty acid, alkali salt and ammonium salt, alkylsulfonate, alkylaryl sulfonates, alkyl sulfate, lauryl ether sulfate and aliphatic alcohol sulfate and sulphation 16-, 17-, salt with octadecanol, and the fatty alcohol glycol ether, the condensation product of sulfonated naphthalene and derivative thereof and formaldehyde, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, polyoxyethylene octylphenol ether, the ethoxylation isooctylphenol, octyl phenol, nonyl phenol, the alkyl phenyl polyglycol ether, tributyl phenyl polyglycol ether, or polyoxypropylene alkyl ether, laruyl alcohol polyglycol ether acetic acid esters, sorbitol ester, lignin sulfite waste liquor and protein, albuminate, polysaccharide (as methylcellulose), hydrophobically modified starch, polyvinyl alcohol (the Mowiol type, Clariant), the alkyl sodium sulfosuccinate, fatty alcohol-polyoxyethylene ether, polyoxyethylene alkylaryl ether, the polyoxyethylene high-grade aliphatic ester, the phosphate of polyoxyethylene alcohol or phenol, the fatty acid ester of polyalcohol, the poly-alkoxylation thing, polyvinylamine, polymine, PVP(polyvinyl pyrrolidone) and copolymer thereof, a dress copolymer of macromolecule comb shape, grease, fatty alcohol and ethylene oxide condensate, the polyacrylates such as alkyltaurate, protein hydrolysate.Suitable oligosaccharide thing or polymer, for example combination of the vinyl monomer based on independent, acrylic acid, EO and/or PO or itself and for example (polynary) alcohol or (polynary) amine.
Applicable thickener has the adjuvants such as xanthans, aluminium-magnesium silicate, gelatin, starch, methyl cellulose, polyvinyl alcohol, polyvinyl acetate and natural phospholipid (as cephalin and lecithin) and synthetic phospholipid, bentonite, sodium lignin sulfonate.
The optional spent glycol of antifreezing agent wherein, propane diols, glycerine, sorbierite.Deflocculant as the suspension product can be used the adjuvant such as naphthalene sulfonic acids polymer, polymeric phosphate etc.Can use polysiloxane emulsion (as Silikon SRE, Wacker or Rhodorsil, Rhodia), long-chain alcohol, fatty acid, soap, organofluorine compound and composition thereof as defoamer.For the mobility of improvement solid product, can use adjuvants such as paraffin, stearate, alkylphosphonate.
Can add bactericide with stable aqueous herbicide formulation.Applicable bactericide is antiphen (Dichlorophen) and benzyl alcohol hemiformal and isothiazolinone derivatives, as alkyl isothiazole quinoline ketone and BIT.
Operable colouring agent, inorganic pigment for example, as iron oxide, titanium oxide and Prussian blue; And organic pigment/dyestuff: alizarin dyes, azo dyes and metal phthalocyanine dyestuff; And trace element, for example molysite, manganese salt, boron salt, mantoquita, cobalt salt, molybdenum salt and zinc salt.
The example of adhesive is PVP(polyvinyl pyrrolidone), polyvinyl acetate, polyvinyl alcohol and tylose.
A kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, suitable formulation is: aqueous suspension agent, oil-suspending agent, suspension emulsion, missible oil, microemulsion, water dispersible granules, wetting powder, micro-capsule suspension.
Preparation emulsion, paste or oil dispersion, can by wetting agent, tackifier, dispersant or emulsifier by active component directly or after being dissolved in oil or solvent in water homogenizing.Perhaps can also prepare by active substance, wetting agent, tackifier, dispersant or emulsifier and suitable solvent or oily concentrate and this concentrate formed and be suitable for dilute with water.
Powder, broadcasting sowing can be by by ametryn, sulfentrazone and flazasulfuron active component with safener mixes with solid carrier or prepared by simultaneous grinding with material and pulvis.
As coated particle, impregnated granules and homogeneous particle, can prepare by active component and solid carrier are adhered to by particle.
Herbicidal combinations of the present invention can be made the preparation that is suitable for using with the form of the composition of its active compound component, also can use with the form of the combination of the commodity preparation of its suitable dosage.
Herbicidal combinations of the present invention can also be co-administered with other active component, such as fungicide, bactericide, attractant, insecticide, miticide, nematocide, growth regulator, safener, fertilizer or semiochemical etc. of described other active component.
A kind of Herbicidal combinations containing ametryn, sulfentrazone and flazasulfuron, said composition is for the control of the place weeds such as sugarcane, paddy rice, corn, soybean, peanut, sunflower, pineapple, oranges and tangerines, Chinese sorghum, wheat, lawn.
On the other hand, the present invention also provides a kind of Herbicidal combinations containing ametryn, sulfentrazone and flazasulfuron, for preventing or control undesirable vegetation, comprise the control of the sedge weeds such as dark root perennial weed and annual and biennial grass family, the particularly rhizome of nutgrass flatsedge and broadleaf weed.
On the other hand, the present invention also provides a kind of prevention or has controlled the method for not wishing vegetation, a kind of Herbicidal combinations containing ametryn, sulfentrazone and flazasulfuron is acted in the soil of not wishing vegetation existence, do not wish the cauline leaf of vegetation, before crop-planting or before after planting emerging, reach after crop emerges and processed.
Herbicidal combinations of the present invention is applicable to prevent and treat a large amount of noxious plants, comprise grassy weed, as barnyard grass (Echinochloa crusgalli (L.) Beauv.), eleusine indica (Eleusineindica), Bermuda grass (Cynodondactylon), lady's-grass (Digitariasanguinalis), ditch millet (Paspalum scrobiculatum Linn.), green foxtail (Setariaviridis), large broomcorn millet (Panicum maximum Jacq.), pondweed (Potamogeton distinctus A.Bennett), arm shape grass (Brachiaria eruciformis (J. E. Smith) Gri), annual bluegrass (PoaannuaL).
Herbicidal combinations of the present invention also is applicable to a large amount of annual and perennial sedge weeds of control, as the rhizome of nutgrass flatsedge (cyperusrotundus L.), earth almona (Cyperusesculentus L.), Ji Shacao (Cyperusbrevifolius H.), yellow clever nutgrass flatsedge (CyperusmicroiriaSteud), cyperus iria (Cyperusiria L.), fescue (Bulbostylis barbata(Rotth.) Kunth), Chufa (Eleocharis tuberosa), kyllinga brevifolia (Kyllinga brevifolia Rottb).
The present composition also is applicable to prevent and treat a large amount of broadleaf weeds, especially broad leaved weed, and it comprises: moleplant seed (Semen Euphorbiae), piemarker (Abutilon theophrasti Medic), tassel flower (Emilia sonchifolia (Linn.) DC), chrysanthemum celery (Erechitites valerianaefolia), Euphorbia (Euphorbia), Polygonum (Polygonum), shepherd's purse (Capsella bursa-pastoris), Ageratum conyzoides (Ageratum conyzoides), common sow thistle (Sonchus oleraceus), Alternanthera (alternanthera forsk.), Amaranthus (Amaranthus), beggar-ticks (Bidens pilosa), field bindweed (Convolvulus arvensis L.), Chenopodium (Chenopodium), crotalaria mucronata (Crotalaria pallida Ait), (Pharhiris nil qianniuhua) leads a cow, Amaranthus retroflexus (Amaranthus retroflexus L.), datura (Datura), Siberian cocklebur (Xanthium sibiricum), green amaranth (Altemanthera Paronychioides), Veronica (Veronica polita Fries), summer cypress (Kochia scoparia), clearvers (bedstraw), black nightshade (Solanum nigrum Linn), sinapsis alba (Sinapis alba L.), white dead nettle (
lamium barbatumsieb. et Zucc.), red heart lamb's-quarters (Chenopodium album L.), benbie (Lamium amplexicaule L.), chickweed (Stellaria media), common vetch (Vicia sativa L.).
Herbicidal combinations of the present invention is for ploughing, and antagonism/control wherein should be planted the common noxious plant in the field of useful plant (being crop).Useful plant comprises: the places such as sugarcane, paddy rice, corn, soybean, peanut, sunflower, pineapple, oranges and tangerines, Chinese sorghum, wheat, lawn
.
Have in the crop of resistance at the Herbicidal combinations to the present invention relates to, before composition of the present invention can be used for crop sowing and the front controlling weeds of after planting emerging, also be used in the crop undesirable vegetation of rear control that emerges.
In this ad hoc approach of the present invention, the present composition can be used at least one times in the crop plants plantation that weed killer herbicide is had to resistance or tolerance or before emerging, and to realize effectively preventing and treating undesirable vegetation and composition, also can after weed killer herbicide is emerged by the crop of resistance or tolerance, use.
If the present composition is used for to crop plants, if they are applied to after crop emerges to the field of crop, if the tolerance that active component can not be good by some crop plants, can be by the protector weed sprays composition of the fog-spray nozzle of applicable type, so that the stem of sensitive crop plant do not contact as far as possible with leaf, and reactive compound arrives the application technique of the leaf that is grown in following undesirable plant or exposed soil surface.
In using Herbicidal combinations of the present invention, ametryn can be used together with flazasulfuron with sulfentrazone.Term " is used together " and is comprised separately, uses successively with simultaneously.Equally, use composition and must not mean that compound ametryn and sulfentrazone and flazasulfuron must or mix thing as bucket and use simultaneously as single formulation, but composition comprises the preparaton separated of herbicide and sulfentrazone and flazasulfuron, these preparatons are used as the mixed thing of single bucket, or use via the measure of using separated.Under any circumstance, can or use successively the herbicidal composition while of the present invention.
Can but not necessarily, herbicide and sulfentrazone and flazasulfuron are formulated in single formulation.Usually before using, herbicide, sulfentrazone and flazasulfuron are combined as to the mixed thing of bucket.Yet, the pre-composition of herbicide and sulfentrazone also can be provided and this pre-composition can be combined with at least one weed killer herbicide flazasulfuron.
The present composition can be used in a usual manner by technology known by the technical staff.Suitable technology comprises spraying, atomization, dusting, broadcasts sowing or water.Administration form depends on the purpose be intended in the mode of knowing; Under any circumstance they should guarantee that the best of active component of the present invention may distribute.
Composition is mainly by spraying, and especially the active component of foliar spray composition is applied to place containing water diluent.Use and can be undertaken by conventional spray technique, for example make water be about for example 400-2000 g/ha of 10-5000 g/ha or 20-3000 g/ha(as the rate of application of active ingredient in carrier and spray liquid).It is also possible that low capacity and ultra low volume method are used Herbicidal combinations, using with the microparticle form as them.
If active component can not be tolerated well by certain plants, can use wherein by sprayer unit as difform protective cover weed sprays composition so that the leaf of sensitive crop plant does not contact as far as possible, and reactive compound arrives the application technique of the leaf that is grown in following undesirable plant or exposed soil surface.
Herbicidal combinations of the present invention can be used before emerging or after emerging, and before, during and/or after undesirable plant emerges, uses.
Herbicidal combinations of the present invention can be used to comprehensive controlling weeds before or after sowing (plantation) crop plants, but preferably use before the sowing crop plants.Composition before kind of plant 9 months usually, often at the most 6 months, preferably the date of 4 months used at the most.Can be before crop plants be emerged 1 day at the most, preferred date before crop plants in sowing/plantation, preferably plantation is at least 1 day before, preferably at least 2 days, especially date of at least 4 days, or emerge 6 months to 1 day before, especially 4 months to 2 days, more preferably within 4 months to 4 days, burnt the grass on waste land and used.Certainly can be in described time range the repetitive administration one or many, as once, twice, three times, four times or five times.
The special advantage of the present composition is that they have the extraordinary rear herbicidal activity of emerging, and they show good activity of weeding to the undesirable plant emerged, and also has certain front activity of weeding of emerging simultaneously.Therefore, in the preferred embodiments of the invention, after being emerged, uses composition, among undesirable plant emerges and/or use afterwards.Particularly advantageously, when starting leaf development, undesirable plant uses mixture of the present invention when blooming.Said composition is particularly useful for control and has developed to and be difficult to burn the grass on waste land undesirable vegetation in stage of composition for preventing and controlling of routine, and the described stage is when the weeds individuality higher than 10 ㎝ (4 inches), or even higher than 15 ㎝ (6 inches) and/or severe weeds colony.
The post processing in the situation that plant emerges, Herbicidal mixture of the present invention or composition are preferably used by foliage applying.
The required rate of application of Herbicidal combinations of the present invention depend on developmental stage, the plant of density, the plant of undesirable vegetation kind, use weather conditions and the application process in the place of composition.The use of composition active ingredient is generally 10-5000 g/ha, preferably 20-3000 g/ha, more preferably 400-2000 g/ha.
The rate of application of ametryn is generally: 1000-3000 g/ha, preferably 1500-2500 g/ha active component.
The rate of application of sulfentrazone is generally: 100-1000 g/ha, preferably 200-700 g/ha, more preferably 350-400 g/ha active component.
The rate of application of flazasulfuron is generally: 10-100 g/ha, preferably 20-60 g/ha active component.
If apply safener, the rate of application of safener is generally 1-5000g/ha, preferably 2-5000 g/ha or 5-5000 g/ha active substance.Preferably do not apply safener, so utilization rate is lower than 5 g/ha, especially lower than 2 g/ha or lower than 1g/ha.
Above-mentioned metering is only general exemplary dose, and during actual using, those skilled in the art can, according to actual conditions and needs, especially adjust utilization rate according to the character of pending plant or crop and the situation of crop smothering.
Any technical characterictic that it should be pointed out that any embodiment of the present invention or embodiment can be independently and any other embodiment combination with one another of the present invention.That is to say, one or more technical characterictics of any embodiment of the present invention all can reconfigure with any other technical characterictic.Technical characterictic reconfigures and the technical characterictic that forms is disclosed in herein thus, and it is documented in the same especially herein.
By following implementation example explanation the present invention, yet, should be appreciated that the present invention is not limited to given embodiment.
Embodiment
embodiment 12% ametryn+2% sulfentrazone+1% flazasulfuron suspending agent
Ametryn 2%
Sulfentrazone 2%
Flazasulfuron 1%
Lignosulfonates 5%
Dioctyl sodium sulfosuccinate 0.5%
Fatty alcohol ethyoxyl ether 3%
Xanthans 0.3%
Glycerine 5%
Defoamer 0.6%
Water complements to 100%
Ratio by each components such as active component, dispersant, wetting agent and water according to formula mixes, and after grinding and/or high speed shear, obtains 2% ametryn+2% sulfentrazone+2% flazasulfuron suspending agent.Also the component except xanthans can be mixed the ratio according to formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 2% ametryn+2% sulfentrazone+2% flazasulfuron suspending agent.
embodiment 25% ametryn+3% sulfentrazone+2% flazasulfuron wetting powder
Ametryn 5%
Sulfentrazone 3%
Flazasulfuron 2%
Lauryl sodium sulfate 2%
Sodium lignin sulfonate 15%
White carbon 5%
Ratio composition by active component, various auxiliary agent and filler etc. in formula mixes, and after ultra-fine pulverizer disintegrating, obtains 5% ametryn+3% sulfentrazone+2% flazasulfuron wetting powder
embodiment 310% ametryn+5% sulfentrazone+5% flazasulfuron microemulsion
Ametryn 10%
Sulfentrazone 5%
Flazasulfuron 5%
1-METHYLPYRROLIDONE 15%
Esterification castor oil 10%
Neopelex 5%
Phenyl phenol polyoxy ethyl ether phosphate 5%
Water complements to 100%
Ametryn, sulfentrazone and flazasulfuron are added together, make to be dissolved into even oil phase, under high-speed stirred, that oil phase is mixed with water, make 10% ametryn+5% sulfentrazone+5% flazasulfuron microemulsion.
embodiment 43% ametryn+3% sulfentrazone+30% flazasulfuron water dispersible granules
Ametryn 3%
Sulfentrazone 3%
Flazasulfuron 30%
Sodium lignin sulfonate 5%
Lauryl sodium sulfate 2%
Urea 10%
Kaolin complements to 100%
Ratio by active component, dispersant, wetting agent, disintegrant, cosolvent and filler in formula mixes, and becomes wetting powder through air-flow crushing, then adds a certain amount of water mixing extruder grain.Obtain 3% ametryn+3% sulfentrazone+30% flazasulfuron water dispersible granules after the drying screening..
embodiment 550% ametryn+9% sulfentrazone+1% flazasulfuron suspending agent
Ametryn 50%
Sulfentrazone 9%
Flazasulfuron 1%
Aryl phenyl polyethenoxy ether sulphonate 2.0%
Dioctyl sodium sulfosuccinate 0.4%
Xanthans 0.3%
Propane diols 5%
Defoamer 0.6%
Water complements to 100%
Ratio by each components such as active component, dispersant, wetting agent and water according to formula mixes, and after grinding and/or high speed shear, obtains 50% ametryn+9% sulfentrazone+1% flazasulfuron suspending agent.Also the component except xanthans can be mixed the ratio according to formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 50% ametryn+9% sulfentrazone+1% flazasulfuron suspending agent.
embodiment 629% ametryn+50% sulfentrazone+1% flazasulfuron wetting powder
Ametryn 29%
Sulfentrazone 50%
Flazasulfuron 1%
Lauryl sodium sulfate 5%
Sodium lignin sulfonate 5%
White carbon 2%
Kaolin complements to 100%
Ratio composition by active component, various auxiliary agent and filler etc. in formula mixes, and after ultra-fine pulverizer disintegrating, obtains 29% ametryn+50% sulfentrazone+1% flazasulfuron wetting powder
embodiment 79% ametryn+50% sulfentrazone+1% flazasulfuron suspending agent
Ametryn 9%
Sulfentrazone 50%
Flazasulfuron 1%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 2%
Methyl naphthalene sulfonate formaldehyde condensate 2%
Poly-methyl carboxylic acids salt (huntsman Tersperse2500) 1%
Xanthans 0.3%
Bentonite 1%
Propane diols 1%
Defoamer 0.6%
Water complements to 100%
Ratio by each components such as active component, dispersant, wetting agent and water according to formula mixes, and after grinding and/or high speed shear, obtains 9% ametryn+50% sulfentrazone+1% flazasulfuron suspending agent.Also the component except xanthans can be mixed the ratio according to formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 9% ametryn+50% sulfentrazone+1% flazasulfuron suspending agent.
embodiment 820% ametryn+20% sulfentrazone+20% flazasulfuron suspending agent
Ametryn 20%
Sulfentrazone 20%
Flazasulfuron 20%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 0.5%
Pluronic PE 6800 2.5%
Aryl polyoxyethylene ether phosphate 1.5%
Xanthans 0.5%
Bentonite 1%
Glycerine 5%
Defoamer 0.6%
Water complements to 100%
Ratio by each components such as active component, dispersant, wetting agent and water according to formula mixes, and after grinding and/or high speed shear, obtains 20% ametryn+20% sulfentrazone+20% flazasulfuron suspending agent.Also the component except xanthans can be mixed the ratio according to formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 20% ametryn+20% sulfentrazone+20% flazasulfuron suspending agent.
embodiment 990% ametryn+4% sulfentrazone+1% flazasulfuron wetting powder
Ametryn 90%
Sulfentrazone 4%
Flazasulfuron 1%
Sodium lignin sulfonate 2%
NaLS 1%
The silicic acid 1% of high degree of dispersion
Kaolin complements to 100%
Combinations thereof is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
embodiment 1080% ametryn+4% sulfentrazone+1% flazasulfuron granule
Ametryn 80%
Sulfentrazone 4%
Flazasulfuron 1%
Sodium lignin sulfonate 3%
Polyethylene glycol 2%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
Ratio by active component, dispersant, wetting agent, disintegrant, cosolvent and filler in formula mixes, and becomes wetting powder through air-flow crushing, then adds a certain amount of water mixing extruder grain.Obtain 80% ametryn+4% sulfentrazone+1% flazasulfuron granule after the drying screening.
embodiment 113% ametryn+90% sulfentrazone+1% flazasulfuron wetting powder
Ametryn 3%
Sulfentrazone 90%
Flazasulfuron 1%
Sodium lignin sulfonate 2%
Dodecyl sodium sulfate 1%
White carbon 1%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
embodiment 124% ametryn+80% sulfentrazone+1% flazasulfuron is extruded granule
Ametryn 4%
Sulfentrazone 80%
Flazasulfuron 1%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
White carbon 5%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and ground, and the mixture water is moistening.This mixture is extruded, then dry in air stream.
embodiment 1320% ametryn+10% sulfentrazone+25% flazasulfuron suspending agent
Ametryn 20%
Sulfentrazone 10%
Flazasulfuron 25%
Dioctyl sodium sulfosuccinate 0.5%
Modified sodium lignosulfonate 3%
Xanthans 0.5%
Glycerine 5%
Defoamer 0.6%
Water complements to 100%
Ratio by each components such as active component, dispersant, wetting agent and water according to formula mixes, and after grinding and/or high speed shear, obtains 20% ametryn+10% sulfentrazone+25% flazasulfuron suspending agent suspending agent.Also the component except xanthans can be mixed the ratio according to formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 20% ametryn+10% sulfentrazone+25% flazasulfuron suspending agent.
embodiment 142% ametryn+30% sulfentrazone+2% flazasulfuron suspending agent
Ametryn 2%
Sulfentrazone 30%
Flazasulfuron 2%
Solvesso 200 30%
Ethoxylated castor oil 4%
Fatty alcohol-polyoxyethylene ether 1%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 0.5%
Bentonite 1%
Glycerine 5%
Defoamer 0.6%
Water complements to 100%
Ametryn is dissolved in Solvesso 200, adds ethoxylated castor oil, obtain ametryn missible oil; By sulfentrazone and flazasulfuron, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, MODIFIED LIGNOSULPHONATE, xanthans, bentonite, glycerine, above-mentioned each component such as water mixes in proportion, and, through sand milling, is prepared into suspoemulsion.
The oil phase of ametryn is joined in the suspending agent containing sulfentrazone and flazasulfuron, obtain suspended emulsion.
embodiment 155% ametryn+60% sulfentrazone+5% flazasulfuron wettable powder
Ametryn 5%
Sulfentrazone 60%
Flazasulfuron 5%
Sodium lignin sulfonate 2%
Dodecyl sodium sulfate 1%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
embodiment 1630% ametryn+1% sulfentrazone+1% flazasulfuron ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Sulfentrazone 1%
Flazasulfuron 1%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant Toximul8320 0.3%
Defoamer 0.16%
Urea 8.4%
Ametryn 30%
Water complements to 100%
By PAPI, the oil phase that ametryn and Solvesso 200 form adds in the aqueous solution containing Atlox4913, forms emulsion.Then heat and be incubated and add catalyst reaction 2 hours under 50 ℃.Obtain the microcapsules of pyrrole grass ether after cooling.
Atlox 4913, dispersant LFH, and defoamer, urea, sulfentrazone and flazasulfuron and water mix in proportion, and, through sand milling, are prepared into suspending agent.
The microcapsules of the ametryn that obtains is added in the aqueous suspension agent of sulfentrazone and flazasulfuron, stir and obtain 30% ametryn+1% sulfentrazone+1% flazasulfuron ZC
embodiment 1730% ametryn+15% sulfentrazone+1% flazasulfuron missible oil
Ametryn 30%
Sulfentrazone 15%
Flazasulfuron 1%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
1-METHYLPYRROLIDONE complements to 100%
Above-mentioned substance is mixed to transparency liquid, obtain missible oil.
embodiment 1830% ametryn+10% sulfentrazone+10% flazasulfuron oil-suspending agent
Ametryn 30%
Sulfentrazone 10%
Flazasulfuron 10%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 0.5%
Bentonite 1%
Glycerine 5%
Defoamer 0.6%
Corn oil complements to 100%
Ratio by active component ametryn, sulfentrazone, flazasulfuron, dispersant, wetting agent and each component of remaining part corn wet goods according to formula mixes, and after grinding and/or high speed shear, obtains suspending agent.
embodiment 1930% ametryn+30% sulfentrazone+1% flazasulfuron granule
Ametryn 30%
Sulfentrazone 30%
Flazasulfuron 1%
Sodium lignin sulfonate 5%
Lauryl sodium sulfate 2%
Urea 10%
Kaolin complements to 100%
Ratio by active component, dispersant, wetting agent, disintegrant, cosolvent and filler in formula mixes, and becomes wetting powder through air-flow crushing, then adds a certain amount of water mixing extruder grain.Obtain 30% ametryn+30% sulfentrazone+1% flazasulfuron granule after the drying screening.
Embodiment 20 80% ametryns+15% sulfentrazone+5% flazasulfuron WP
Ametryn 80%
Sulfentrazone 15%
Flazasulfuron 5%
In proportion by ametryn, sulfentrazone, flazasulfuron mixes.
the application test example
Following test has shown, the effect of herbicidal composition of the present invention to the growth of undesirable plant, and by itself and independent weeding active compound comparison.
For the before crop seedlings emerge processing, the reactive compound in directly before sowing or after sowing, by segmentation cloth nozzle, using suspension or be emulsifiable in water.Or cultivation medium is evenly irrigated, or by the pulvis of said composition or granule uniform stirring in cultivation medium, undesirable vegetation is evenly germinateed and growth, unless be subject to the detrimental effect of reactive compound.
For the crop post processing of emerging, at first make to test the height of plant growth to about 3-20cm, weeds are in the 3-4 leaf phase, the weeds height is at 10-20 ㎝, and only at this moment between section process.Herein, Herbicidal combinations suspended or is emulsifiable in the water of dispersion medium, and using segmentation cloth nozzle spray.
Ametryn is used with commercially available Ah going out clean (Ametrex) 80% wetting powder preparaton.
Sulfentrazone is used with commercially available sulfentrazone (Authority) 40% suspending agent preparaton.
Flazasulfuron is used with the elegant 25% water dispersible granules preparaton of commercially available gold hundred.
Test period is taken care of undesirable vegetation and is estimated the response that they are processed each reactive compound.
Investigation method and drug effect are calculated:
Preventive effect (%)=[check plot weeds strain number-treatment region weeds strain number]/check plot weeds strain number * 100
test example 1
The sugarcane field weeds are processed, and before the sugarcane field sowing, mark off the uniform plot of fertility, and the sowing weed seed, treat that weeds highly are about 2-12 centimetre, carry out the processing of spray of weeds and bare soil, after dispenser 10 days respectively, within 30 days, investigate drug effect.
Table 1 is used and be the present invention relates to 10 days preventive effects to weeds after the Herbicidal combinations medicine
As can be known from the above table, before sugarcane sowing, use the Herbicidal combinations the present invention relates to, dispenser is after 10 days, according to ternary built Herbicidal combinations of the present invention, the monocotyledon weed such as sedge family and grass family and broadleaf weed had to good preventive effect.And according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect obviously improves, and to crop safety.
Table 2 is used and be the present invention relates to 30 days preventive effects to weeds after the Herbicidal combinations medicine
As can be known from the above table, before sugarcane sowing, use the Herbicidal combinations the present invention relates to, dispenser is after 30 days, according to ternary built Herbicidal combinations of the present invention, the monocotyledon weed such as sedge family and grass family and broadleaf weed had to good preventive effect.And according to Herbicidal combinations of the present invention, than the dosage of single dose, reduce, drug effect obviously improves.
Therefore the Herbicidal combinations the present invention relates to, in crop-planting pre-treatment weeds, has good control efficiency, guarantees not to be subject to the interference of weeds in kind of plant.And the composition preventive effect is better than the preventive effect of single dose separately, and there is quick-acting and lasting effect preferably.
test example 2
The sugarcane field weeds are processed, and after sugarcane field is emerged, mark off the uniform plot of fertility, the sowing weed seed, treat that weeds highly are about 2-12 centimetre, and now sugarcane is in 4 leaf phases, weeds and bare soil are carried out to the directed spraying processing, after dispenser 10 days respectively, 30 days investigation drug effects.
Table 3 is used and be the present invention relates to 10 days preventive effects to weeds after the Herbicidal combinations medicine
As can be known from the above table, use the Herbicidal combinations the present invention relates to after sugarcane emerges, dispenser, after 10 days, according to ternary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weeds such as sedge family and grass family and broadleaf weed.And according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect obviously improves, and to crop safety.
Table 4 is used and be the present invention relates to 30 days preventive effects to weeds after the Herbicidal combinations medicine
As can be known from the above table, use the Herbicidal combinations the present invention relates to after sugarcane emerges, dispenser, after 30 days, according to ternary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weeds such as sedge family and grass family and broadleaf weed.And according to Herbicidal combinations of the present invention, than the dosage of single dose, reduce, drug effect obviously improves.
Therefore the Herbicidal combinations the present invention relates to has good control efficiency, effectively is better than the preventive effect of single dose separately, and has quick-acting and lasting effect preferably.
test example 3
Corn field weed is processed, and after corn field is emerged, marks off the uniform plot of fertility, the sowing weed seed, treat that weeds highly are about 2-12 centimetre, and now corn is in 5 leaf phases, weeds and bare soil are carried out to the directed spraying processing, after dispenser 10 days respectively, 30 days investigation drug effects.
Table 5 corn field use the present invention relates to the Herbicidal combinations medicine after 10 days preventive effects to weeds
As can be known from the above table, at corn field, use the Herbicidal combinations dispenser that the present invention relates to after 10 days, according to ternary built Herbicidal combinations of the present invention, the monocotyledon weeds such as sedge family and grass family and broadleaf weed are had to good preventive effect.And according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect obviously improves, and to crop safety.
Table 6 corn field use the present invention relates to the Herbicidal combinations medicine after 30 days preventive effects to weeds
As can be known from the above table, use the Herbicidal combinations the present invention relates at corn field, dispenser, after 30 days, according to ternary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weeds such as sedge family and grass family and broadleaf weed.And according to Herbicidal combinations of the present invention, than the dosage of single dose, reduce, drug effect obviously improves.
Therefore the Herbicidal combinations the present invention relates to has good control efficiency, effectively is better than the preventive effect of single dose separately, and has quick-acting and lasting effect preferably.
test example 4
The citrus orchard weeds are processed, and at citrus orchard, mark off the uniform plot of fertility, and the sowing weed seed, treat that weeds highly are about 2-12 centimetre, and weeds and bare soil are carried out to the directed spraying processing, and after dispenser 10 days respectively, 30 days investigation drug effects.
Table 7 citrus orchard use the present invention relates to the Herbicidal combinations medicine after 10 days preventive effects to weeds
As can be known from the above table, use the Herbicidal combinations the present invention relates at citrus orchard, dispenser, after 10 days, according to ternary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weeds such as sedge family and grass family and broadleaf weed.And according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect obviously improves, and to crop safety.
Table 8 citrus orchard use the present invention relates to the Herbicidal combinations medicine after 30 days preventive effects to weeds
As can be known from the above table, use the Herbicidal combinations the present invention relates at citrus orchard, dispenser, after 30 days, according to ternary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weeds such as sedge family and grass family and broadleaf weed.And according to Herbicidal combinations of the present invention, than the dosage of single dose, reduce, drug effect obviously improves.
Therefore the Herbicidal combinations the present invention relates to has good preventive effect for the monocotyledon weed such as the sedge family of citrus orchard and grass family and broadleaf weed, effectively is better than the preventive effect of single dose separately, and has quick-acting and lasting effect preferably.
test example 5
The potato fields weeds are processed, and after potato fields is emerged, mark off the uniform plot of fertility, and the sowing weed seed, treat that weeds highly are about 2-12 centimetre, and weeds and bare soil are carried out to the directed spraying processing, and after dispenser 10 days respectively, 30 days investigation drug effects.
Table 9 potato fields use the present invention relates to the Herbicidal combinations medicine after 10 days preventive effects to weeds
As can be known from the above table, at potato fields, use the Herbicidal combinations dispenser that the present invention relates to after 10 days, according to ternary built Herbicidal combinations of the present invention, the monocotyledon weeds such as sedge family and grass family and broadleaf weed are had to good preventive effect.And according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, drug effect obviously improves, and to crop safety.
Table 10 potato fields use the present invention relates to the Herbicidal combinations medicine after 30 days preventive effects to weeds
As can be known from the above table, use the Herbicidal combinations the present invention relates at potato fields, dispenser, after 30 days, according to ternary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weeds such as sedge family and grass family and broadleaf weed.And according to Herbicidal combinations of the present invention, than the dosage of single dose, reduce, drug effect obviously improves.
Therefore the Herbicidal combinations the present invention relates to has good control efficiency, effectively is better than the preventive effect of single dose separately, and has quick-acting and lasting effect preferably.
Experimental example 6-10
Method according to experimental example 1-5, Herbicidal combinations of the present invention is used for to Soybean Field, Peanut Fields, the places such as paddy field, sunflower ground, pineapple ground, sorghum field, wheat paddock, lawn, result shows that Herbicidal combinations of the present invention has good preventive effect to the monocotyledon weeds such as sedge family and grass family and broadleaf weed.And, according to Herbicidal combinations of the present invention, reduce than the dosage of single dose, and there is quick-acting and lasting effect preferably.
Claims (28)
1. the Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, is characterized in that: contain active component ametryn, sulfentrazone and flazasulfuron.
2. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1, it is characterized in that: the weight ratio of described ametryn and sulfentrazone is: 30:1-1:30, the weight ratio of ametryn or sulfentrazone and flazasulfuron is: 90:1-1:10.
3. according to a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron shown in claim 1 or 2, it is characterized in that: the weight ratio of described ametryn and sulfentrazone is 20:1-1:20.
4. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1 and 2, it is characterized in that: the weight ratio of described ametryn or sulfentrazone and flazasulfuron is or 80:1-1:10.
5. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 4, it is characterized in that: the weight ratio of described ametryn or sulfentrazone and flazasulfuron is 50:1-1:10.
6. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 5, it is characterized in that: the weight ratio of described ametryn or sulfentrazone and flazasulfuron is 30:1-1:10.
7. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1 and 2, it is characterized in that: described ametryn, sulfentrazone, flazasulfuron account for described Herbicidal combinations 5%-100% by weight altogether.
8. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 7, it is characterized in that: described ametryn, sulfentrazone, flazasulfuron account for described Herbicidal combinations 10%-80% by weight altogether.
9. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 8, it is characterized in that: described ametryn, sulfentrazone, flazasulfuron account for described Herbicidal combinations 20%-60% by weight altogether.
10. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1 and 2, it is characterized in that: the weight ratio that the amount of described ametryn accounts for whole Herbicidal combinations is 2%-90%.
11. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 10, it is characterized in that: the weight ratio that the amount of described ametryn accounts for whole Herbicidal combinations is 10%-80%.
12. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 11, it is characterized in that: the weight ratio that the amount of described ametryn accounts for whole Herbicidal combinations is 20%-50%.
13. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1 and 2, it is characterized in that: the percentage by weight that the amount of described sulfentrazone accounts for whole Herbicidal combinations is 2%-90%.
14. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 13, it is characterized in that: the percentage by weight that the amount of described sulfentrazone accounts for whole Herbicidal combinations is 10%-80%.
15. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 14, it is characterized in that: the percentage by weight that the amount of described sulfentrazone accounts for whole Herbicidal combinations is 20%-50%.
16. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1 and 2, it is characterized in that: the percentage by weight that the amount of described flazasulfuron accounts for whole Herbicidal combinations is 1-30%.
17. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 16, it is characterized in that: the percentage by weight that the amount of described flazasulfuron accounts for whole Herbicidal combinations is 2-25%.
18. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 17, it is characterized in that: the percentage by weight that the amount of described flazasulfuron accounts for whole Herbicidal combinations is 5-10%.
19. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1 and 2 is characterized in that: described composition also comprises carrier, surfactant and the upper applicable auxiliary agent of other agricultural.
20. a kind of Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron according to claim 1 and 2, it is characterized in that: described combination dosage form is aqueous suspension agent, oil-suspending agent, suspension emulsion, missible oil, microemulsion, water dispersible granules, wetting powder, micro-capsule suspension.
21. the Herbicidal combinations containing ametryn, sulfentrazone, flazasulfuron, it is characterized in that: wherein said composition also comprises one or more other active components.
22. the method for the undesirable vegetation of control is characterized in that: Herbicidal combinations claimed in claim 1 is applied to existence or expects the place that has undesirable vegetation.
23. according to the method for the undesirable vegetation of control of claim 22, comprise separately, use successively or simultaneously ametryn, sulfentrazone, flazasulfuron.
24. the method for the undesirable vegetation of control according to claim 22 is characterized in that: Herbicidal combinations claimed in claim 1 acted in the soil of not wishing vegetation existence, do not wish the cauline leaf of vegetation.
25. a kind of method of preventing and treating undesirable vegetation according to claim 22 is characterized in that: by Herbicidal combinations claimed in claim 1 before crop-planting or the pre-treatment of after planting emerging, or the seedling post processing of crop.
26. a kind of method of preventing and treating undesirable vegetation according to claim 22 is characterized in that: comprise Herbicidal combinations claimed in claim 1 is applied to sugarcane, paddy rice, corn, soybean, peanut, sunflower, pineapple, oranges and tangerines, Chinese sorghum, wheat, place, lawn
.
27. the method for vegetation is not wished in a kind of control according to claim 22, it is characterized in that: described undesirable vegetation comprises monocotyledon weed and the broadleaf weeds such as grass family, sedge family.
28. the method for vegetation is not wished in a kind of control according to claim 22, it is characterized in that: described undesirable vegetation is the rhizome of nutgrass flatsedge.
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| CN201210528588.9A CN102960357B (en) | 2012-12-11 | 2012-12-11 | A kind of Herbicidal combinations containing ametryn, sulfentrazone and flazasulfuron and uses thereof |
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Cited By (2)
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| CN103814926A (en) * | 2014-03-19 | 2014-05-28 | 浙江乐吉化工股份有限公司 | Herbicide composition containing flazasulfuron and use of herbicide composition |
| WO2022023805A1 (en) * | 2020-07-30 | 2022-02-03 | Red Surcos Colombia Ltda. | Sulfentrazone composition in microemulsion form |
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| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN101252836A (en) * | 2005-09-01 | 2008-08-27 | 杜邦公司 | Liquid sulfonylurea herbicide formulations |
| WO2012141276A1 (en) * | 2011-04-11 | 2012-10-18 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition comprising flazasulfuron and an inhibitor of protoporphyrinogen oxidase |
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| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN101252836A (en) * | 2005-09-01 | 2008-08-27 | 杜邦公司 | Liquid sulfonylurea herbicide formulations |
| WO2012141276A1 (en) * | 2011-04-11 | 2012-10-18 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition comprising flazasulfuron and an inhibitor of protoporphyrinogen oxidase |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103814926A (en) * | 2014-03-19 | 2014-05-28 | 浙江乐吉化工股份有限公司 | Herbicide composition containing flazasulfuron and use of herbicide composition |
| CN103814926B (en) * | 2014-03-19 | 2015-05-20 | 浙江乐吉化工股份有限公司 | Herbicide composition containing flazasulfuron and use of herbicide composition |
| WO2022023805A1 (en) * | 2020-07-30 | 2022-02-03 | Red Surcos Colombia Ltda. | Sulfentrazone composition in microemulsion form |
| CN116056573A (en) * | 2020-07-30 | 2023-05-02 | 舒柯因帕克公司 | Sulfenamide composition in form of microemulsion |
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| CN102960357B (en) | 2016-04-27 |
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