CN102960348B - Weeding combination containing ametryn and sulfentrazone and applications of weeding combination - Google Patents
Weeding combination containing ametryn and sulfentrazone and applications of weeding combination Download PDFInfo
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- CN102960348B CN102960348B CN201210528590.6A CN201210528590A CN102960348B CN 102960348 B CN102960348 B CN 102960348B CN 201210528590 A CN201210528590 A CN 201210528590A CN 102960348 B CN102960348 B CN 102960348B
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Abstract
The invention provides a weeding combination containing ametryn and sulfentrazone and applications of the weeding combination. The weeding combination comprises the ametryn and sulfentrazone which are taken as active substances. The invention also relates to a method for processing unexpected vegetations by using the weeding combination. The weeding combination containing the ametryn and the sulfentrazone is characterized by comprising the active components, namely the ametryn and the sulfentrazone, wherein the weight ratio of the ametryn to the sulfentrazone is 50: 1 to 1: 50. The ametryn and the sulfentrazone are 5 to 90% of the wedding combination by weight percent. The weeding combination is applied to places with vegetation or places expected to be free from vegetation. The weeding combination is mainly used for removing weeds in a sugarcane field, a corn field citrus orchard and the like, and particularly removing cyperus rotundus weeds.
Description
Technical field
A kind of Herbicidal combinations containing ametryn and sulfentrazone of the present invention and uses thereof relates to Herbicidal combinations, and it comprises that ametryn and sulfentrazone are as active substance.The invention still further relates to and use described Herbicidal combinations to process less desirable vegetation method.
Background technology
Other plant of cover crop antagonism weeds and inhibition plant growth is the difficult problem occurring 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 in the time of combined administration, this phenomenon is known as " synergy ", because such effect or activity level have been shown in described combination, it exceeds independent effect information based on component and expects the effect having.The present invention is based on such discovery, show synergistic when ametryn and sulfentrazone 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 prevent and treat, and crop smothering can not effectively be suppressed and reduce, and are often 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.
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.Plant absorbs after ametryn, upwards conducts and concentrates on plant apical meristem, suppresses electronics transmission in sensitive plant photosynthesis, causes nitrite accumulation in blade, reaches weeding object.Its solvability in water is 185 mg/L(20 DEG C).Dissolve in organic solvent.Form 6-hydroxyl body with strong acid, highly basic hydrolysis.Photosynthesis to plant has machining function, belongs to selective herbicide.Herbicide effect is rapid, can, by 0-5 centimetre of adsorption by soil, form medicine layer, contacts medicament when weed germination is unearthed.Weeds preventive effect to firm sprouting is best.Be used for preventing and treating the annual weeds in field such as 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, Tian Ji, 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:
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 to produce excessive protoporphyrin IX in plant cell, the latter is sensitising agent, causes producing active oxygen in cell, finally causes cell membrane, and vesicular membranes etc. break, and cell Dissolve things inside oozes out, withered dead.Soil half life period 110-280 days, cauline leaf processing, soil treatment all can.Can prevent and treat lead a cow, 1 year raw 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:
Therefore, ametryn and sulfentrazone combination can well be controlled multiple annual and biennial grass family, sedge weed and broadleaf weed by the present invention.Also do not have at present about by the report of ametryn and sulfentrazone applied in any combination.
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 large number of biological test screen, the unexpected discovery of the inventor can be used for ametryn and sulfentrazone composition prevention or control the crop weeds in field such as sugarcane field.This composition effect is good especially.
Therefore, an object of the present invention is to provide a kind of ametryn and sulfentrazone Herbicidal combinations as active component that comprises.
A kind of Herbicidal combinations containing ametryn and sulfentrazone and uses thereof is to take following technical scheme to realize:
Containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that: contain active component ametryn and sulfentrazone.
Containing a Herbicidal combinations for ametryn and sulfentrazone, the weight ratio of described ametryn and sulfentrazone is 50:1-1:50.
Containing a Herbicidal combinations for ametryn and sulfentrazone, the weight ratio that it is characterized in that described ametryn and sulfentrazone is 30:1-1:30.
Containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that the weight ratio of described ametryn and sulfentrazone is or 20:1-1:20.
Containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that the weight ratio of described ametryn and sulfentrazone is or 10:1-1:10.
Containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that the weight ratio of described ametryn and sulfentrazone is or 5:1-1:5.
Containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that described ametryn and sulfentrazone account for described Herbicidal combinations 5%-90% by weight altogether.
Containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that described ametryn and sulfentrazone account for described Herbicidal combinations 10%-80% by weight altogether.
Containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that described ametryn and sulfentrazone account for described Herbicidal combinations 20%-60% by weight altogether.
Containing a Herbicidal combinations for ametryn and sulfentrazone, also comprise the upper applicable auxiliary agent of carrier, surfactant, safener and agricultural thereof.
Described a kind of Herbicidal combinations containing ametryn and sulfentrazone, formulation is: aqueous suspension agent, oil-suspending agent, suspension emulsion, missible oil, microemulsion, water dispersible granules, wetting powder, micro-capsule suspension.
Containing a Herbicidal combinations for ametryn and sulfentrazone, wherein said composition also comprises one or more other active components.
Containing a Herbicidal combinations for ametryn and sulfentrazone, 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 and sulfentrazone, for not wishing the soil of vegetation existence, is not wished to the cauline leaf of vegetation.Before crop-planting or after planting go out preemergence application, and crop postemergence application.
A method of preventing and treating undesirable vegetation, is characterized in that: described Herbicidal combinations is applied to and is existed or expection exists the place of undesirable vegetation.
Prevent and treat a method for undesirable vegetation, comprise separately, use successively or simultaneously ametryn and sulfentrazone.
Prevent and treat a method for undesirable vegetation, described Herbicidal combinations acted in the soil of not wishing vegetation existence, do not wish the cauline leaf of vegetation.
Prevent and treat a method for undesirable vegetation, by described Herbicidal combinations before crop-planting or the pre-treatment of after planting emerging, or the seedling post processing of crop.
A method for vegetation is not wished in control, comprises described Herbicidal combinations is applied to sugarcane, paddy rice, corn, soybean, peanut, sunflower, pineapple, oranges and tangerines, Chinese sorghum, wheat, place, lawn.
A method for vegetation is not wished in control, and described undesirable vegetation comprises the monocotyledon weed such as grass family, sedge family and broadleaf weed.
A method for vegetation is not wished in control, it is characterized in that: described undesirable vegetation is the rhizome of nutgrass flatsedge.
Ametryn and sulfentrazone can separate, use successively or simultaneously in the present invention.
Advantage of the present invention is: a kind of Herbicidal combinations containing ametryn and sulfentrazone has active component ametryn and sulfentrazone.The present invention's show synergistic during by ametryn and sulfentrazone combined administration, particularly effectively control weeds, through large number of biological test screen, the unexpected discovery of the inventor can be used for ametryn and sulfentrazone composition prevention or control the crop weeds in field such as sugarcane field.This composition effect is good especially.Herbicidal combinations has good control efficiency, is effectively better than the preventive effect of single dose separately, and has good quick-acting and late effect property.
Embodiment
For better describing the present invention, provide following exemplary.
The inventor finds: ametryn and sulfentrazone combination not only can be brought to the additive property raising for herbicidal spectrum, 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 and sulfentrazone.
In another embodiment, the invention provides a kind of ametryn and sulfentrazone of comprising as the agricultural chemicals Herbicidal combinations of active component, it is characterized in that the weight ratio of described ametryn and sulfentrazone is: 50:1-1:50, preferably 30:1-1:30; Preferred 20:1-1:20 again; More preferably 10:1-1-10; Most preferably 5:1-1:5.
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 and sulfentrazone account for described Herbicidal combinations 5%-90% by weight altogether, preferably 10%-80%, more preferably 20%-60%.
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 the adhesive for 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 co-administered with the weed killer herbicide of specific function.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 in 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) are conciliate careless eyeball and can 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; And can 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 of solid carrier material use: phyteral powdery type (for example 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, 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 use separately or two or more is mixed.
Can be used as can selecting of liquid carrier materials use in following material, for example water, alcohol type (for example methyl alcohol, ethanol, isopropyl alcohol, butanols, ethylene glycol etc.), ketone (for example acetone, methyl ethyl ketone, isobutyrone, cyclohexanone etc.), ethers (for example ether, dioxanes, methylcellulose, oxolane etc.), aliphatic hydrocarbon class (for example kerosene, mineral wet goods), aromatic hydrocarbons class (for example benzene, toluene, dimethylbenzene, solvent naphtha, Fluhyzon, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene, Deng), halogenated hydrocarbon class, amide-type, sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, 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 (Borresperse type, Borregard), phenolsulfonic acid, naphthalene sulfonic acids (Morwet type, Akzo Nobel), the alkali metal salt of dibutyl naphthalene sulfonic acids (Nekal type, BASF) and 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 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, ethoxylation isooctylphenol, octyl phenol, nonyl phenol, 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 (Mowiol type, Clariant), alkyl sodium sulfosuccinate, fatty alcohol-polyoxyethylene ether, polyoxyethylene alkylaryl ether, polyoxyethylene high-grade aliphatic ester, the phosphate of polyoxyethylene alcohol or phenol, the fatty acid ester of polyalcohol, 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, the combination of for example 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 wherein optional spent glycol of antifreezing agent, propane diols, glycerine, sorbierite.Can use the such as adjuvant of naphthalene sulfonic acids polymer, polymeric phosphate etc. as the deflocculant of suspension product.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 the adjuvants such as 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, for example inorganic pigment, 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.
Containing a Herbicidal combinations for ametryn and sulfentrazone, 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.Or can also prepare by active substance, wetting agent, tackifier, dispersant or emulsifier and suitable solvent or oily concentrate and this concentrate forming and be suitable for dilute with water.
Powder, broadcast sowing with material and pulvis can be by by ametryn and sulfentrazone active component with safener mixes with solid carrier or prepared by simultaneous grinding.
Particle can be prepared by active component and solid carrier are adhered to as coated particle, impregnated granules and homogeneous 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, described other active component such as fungicide, bactericide, attractant, insecticide, miticide, nematocide, growth regulator, safener, fertilizer or semiochemical etc.
Containing a Herbicidal combinations for ametryn and sulfentrazone, 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 and sulfentrazone, for preventing or controlling 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 and sulfentrazone 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, and crop is processed after emerging.
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 is also 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 is also 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
.
The Herbicidal combinations the present invention relates to being had in the crop of resistance, controlling weeds before composition of the present invention can be used for crop sowing and before after planting emerging, is also used in after crop emerges and prevents and treats undesirable vegetation.
In this ad hoc approach of the present invention, the present composition can be used at least one times before the crop plants that weed killer herbicide is had to resistance or tolerance is planted or emerged, and also can go out postemergence application by the crop of resistance or tolerance to weed killer herbicide to realize the undesirable vegetation of effective control and composition.
If the present composition is used for to crop plants, if they are applied to after crop emerges to the field of crop, if active component can not be by the good tolerance of 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 and is grown in the leaf of undesirable plant below or the application technique of exposed soil surface.
Using in Herbicidal combinations of the present invention, ametryn can be used together 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 must or mix thing as bucket and use simultaneously as single formulation, but composition comprises the preparaton separating of herbicide and sulfentrazone, these preparatons are used as the mixed thing of single bucket, or use via the measure of using separating.Under any circumstance, can or use successively the herbicidal composition while of the present invention.
Can but not necessarily, herbicide and sulfentrazone are formulated in single formulation.Conventionally before using, herbicide and sulfentrazone are combined as to the mixed thing of bucket.But, the pre-composition of herbicide and sulfentrazone also can be provided.
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 object being 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 water diluent that contains of the active component of foliar spray composition is applied to place.Use and can be undertaken by conventional spray technique, for example, make water be about 100-5000 g/ha or for example 400-2500 g/ha of 200-3000 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 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 and is grown in the leaf of undesirable plant below or the application technique of exposed soil surface.
Herbicidal combinations of the present invention can or go out postemergence application before 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 before sowing crop plants, use.Composition before kind of plant 9 months conventionally, 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, the preferably date before sowing/plantation crop plants, preferably plantation at least 1 day before, preferably at least 2 days, especially the 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, burn the grass on waste land and use.Certainly can be in described time range 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 herbicidal activity after extraordinary emerging, and they show good activity of weeding to the undesirable plant emerging, and also has activity of weeding before certain emerging simultaneously.Therefore, in the preferred embodiments of the invention, composition is gone out to postemergence application, 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 being difficult to the stage of conventional composition control, and the described stage is when weeds individuality is higher than 10 ㎝ (4 inches), or even higher than 15 ㎝ (6 inches) and/or severe weeds colony.
In the situation that plant emerges post processing, Herbicidal mixture of the present invention or composition preferably use 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 100-5000 g/ha, preferably 200-3000 g/ha, more preferably 400-2500 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.
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, therefore 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 when actual using, those skilled in the art can, according to actual conditions and needs, especially adjust utilization rate according to the situation of the character of pending plant or crop and 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.In all formulas, percentage is all weight percentage.The processing technology of the various preparations of the present composition is prior art, can change to some extent according to different situations.But, should be appreciated that the present invention is not limited to given embodiment.
Embodiment
embodiment 11% ametryn+50% sulfentrazone water dispersible granules
Ametryn 1%
Sulfentrazone 50%
Sodium lignin sulfonate 5%
Lauryl sodium sulfate 2%
Urea 10%
Kaolin complements to 100%
Active component, dispersant, wetting agent, disintegrant, cosolvent and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruder grain.After drying screening, obtain 1% ametryn+50% sulfentrazone water dispersible granules.
embodiment 250% ametryn+10% sulfentrazone wetting powder
Ametryn 50%
Sulfentrazone 10%
Lauryl sodium sulfate 2%
Sodium lignin sulfonate 15%
White carbon 5%
Kaolin complements to 100%
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 50% ametryn+10% sulfentrazone wetting powder
embodiment 350% ametryn+1% sulfentrazone suspending agent
Ametryn 50%
Sulfentrazone 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%
Each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain 50% ametryn+1% sulfentrazone suspending agent.Also the component except xanthans can be mixed according to the ratio of formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 50% ametryn+1% sulfentrazone suspending agent.
embodiment 410% ametryn+50% sulfentrazone microemulsion
Ametryn 10%
Sulfentrazone 50%
1-METHYLPYRROLIDONE 15%
Esterification castor oil 10%
Neopelex 5%
Phenyl phenol polyoxy ethyl ether phosphate 5%
Water complements to 100%
Ametryn, sulfentrazone are added together, make to be dissolved into even oil phase, under high-speed stirred, oil phase is mixed with water, make 10% ametryn+50% sulfentrazone microemulsion.
embodiment 560% ametryn+2% sulfentrazone granule
Ametryn 60%
Sulfentrazone 2%
Sodium lignin sulfonate 3%
Polyethylene glycol 2%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
Active component, dispersant, wetting agent, disintegrant, cosolvent and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruder grain.After drying screening, obtain 60% ametryn+2% sulfentrazone granula.
embodiment 62% ametryn+60% sulfentrazone wetting powder
Ametryn 2%
Sulfentrazone 60%
Lauryl sodium sulfate 5%
Sodium lignin sulfonate 5%
White carbon 2%
Kaolin complements to 100%
Active component, various auxiliary agent and filler etc. are mixed in the ratio composition of formula, after ultra-fine pulverizer disintegrating, obtain 2% ametryn+60% sulfentrazone wetting powder.
embodiment 760% ametryn+3% sulfentrazone wetting powder
Ametryn 60%
Sulfentrazone 3%
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 820% ametryn+10% sulfentrazone suspending agent
Ametryn 20%
Sulfentrazone 10%
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%
Each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain 20% ametryn+10% sulfentrazone suspending agent.Also the component except xanthans can be mixed according to the ratio of formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 20% ametryn+10% sulfentrazone suspending agent.
embodiment 91% ametryn+20% sulfentrazone suspending agent
Ametryn 1%
Sulfentrazone 20%
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%
Each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain 1% ametryn+20% sulfentrazone suspending agent.Also the component except xanthans can be mixed according to the ratio of formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 1% ametryn+20% sulfentrazone suspending agent.
embodiment 1040% ametryn+4% sulfentrazone suspending agent
Ametryn 40%
Sulfentrazone 4%
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%
Each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain 40% ametryn+4% sulfentrazone suspending agent.Also the component except xanthans can be mixed according to the ratio of formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 40% ametryn+4% sulfentrazone suspending agent.
embodiment 112% ametryn+20% sulfentrazone ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Sulfentrazone 20%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant Toximul8320 0.3%
Defoamer 0.16%
Urea 8.4%
Ametryn 2%
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 at 50 DEG C, add catalyst reaction 2 hours.After cooling, obtain the microcapsules of pyrrole grass ether.
Atlox 4913, dispersant LFH, defoamer, urea, sulfentrazone and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the ametryn obtaining is added in the aqueous suspension agent of sulfentrazone, stir and obtain 2% ametryn+20% sulfentrazone ZC
embodiment 1245% ametryn+45% sulfentrazone is extruded granule
Ametryn 45%
Sulfentrazone 45%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
White carbon 5%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grind, mixture water is moistening.This mixture is extruded, then dry in air stream.
embodiment 135% ametryn+5% sulfentrazone missible oil
Ametryn 5%
Sulfentrazone 5%
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 1410% ametryn+10% sulfentrazone suspending agent
Ametryn 10%
Sulfentrazone 10%
Dioctyl sodium sulfosuccinate 0.5%
Modified sodium lignosulfonate 3%
Xanthans 0.5%
Glycerine 5%
Defoamer 0.6%
Water complements to 100%
Each components such as active component, dispersant, wetting agent and water are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain 10% ametryn+10% sulfentrazone suspending agent.Also the component except xanthans can be mixed according to the ratio of formula, stir, grind, then mix with 1% xanthans of configuration, stir, obtain 10% ametryn+10% sulfentrazone suspending agent.
embodiment 151% ametryn+4% sulfentrazone suspending agent
Ametryn 1%
Sulfentrazone 4%
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, 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, obtain suspended emulsion.
embodiment 1640% ametryn+40% sulfentrazone missible oil
Ametryn 40%
Sulfentrazone 40%
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 1730% ametryn+10% sulfentrazone oil-suspending agent
Ametryn 30%
Sulfentrazone 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%
Active component ametryn, sulfentrazone dispersant, wetting agent and the each component of remaining part corn wet goods are mixed according to the ratio of formula, after grinding and/or high speed shear, obtain suspending agent.
embodiment 1825% ametryn+15% sulfentrazone granule
Ametryn 25%
Sulfentrazone 15%
Sodium lignin sulfonate 5%
Lauryl sodium sulfate 2%
Urea 10%
Kaolin complements to 100%
Active component, dispersant, wetting agent, disintegrant, cosolvent and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruder grain.After drying screening, obtain 25% ametryn+15% sulfentrazone granule.
application test example
Following test has shown, the effect of the growth of herbicidal composition of the present invention to undesirable plant, and by itself and independent weeding active compound comparison.
For before crop seedlings emerge processing, directly before sowing or after sowing, use and suspend or be emulsifiable in the reactive compound in water by thin distribution nozzles.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, first make to test the height of plant growth to about 3-20cm, weeds are in the 3-4 leaf phase, 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 uses with commercially available Ah going out clean (Ametrex) 80% wetting powder preparaton.
Sulfentrazone uses with commercially available sulfentrazone (Authority) 40% suspending agent preparaton.
Test period is taken care of undesirable vegetation and is evaluated their responses to each reactive compound processing.
Investigation method and drug effect are calculated:
Fresh weight preventive effect (%)=[check plot weeds fresh weight-treatment region weeds fresh weight]/weeds fresh weight × 100, check plot
test example 1
The processing of sugarcane field weeds, before sugarcane field sowing, marks off the uniform plot of fertility, and sowing weed seed, treats that weeds are highly about 2-12 centimetre, carries out the processing of spray of weeds and bare soil, after dispenser 10 days respectively, within 30 days, investigates drug effect.
Table 1 is used and be the present invention relates to 10 days preventive effects to weeds after Herbicidal combinations medicine
As can be known from the above table, before sugarcane sowing, use the Herbicidal combinations the present invention relates to, after dispenser 10 days, according to the composite Herbicidal combinations containing ametryn and sulfentrazone of the present invention, the monocotyledon weed 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 2 is used and be the present invention relates to 30 days preventive effects to weeds after Herbicidal combinations medicine
As can be known from the above table, before sugarcane sowing, use the Herbicidal combinations the present invention relates to, dispenser, after 30 days, according to binary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weed 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.
Therefore the Herbicidal combinations the present invention relates to, in crop-planting pre-treatment weeds, has good control efficiency, ensures not to be subject to the interference of weeds in kind of plant.And composition preventive effect is better than the preventive effect of single dose separately, and there is good quick-acting and late effect property.
test example 2
The processing of sugarcane field weeds, after sugarcane field is emerged, marks off the uniform plot of fertility, sowing weed seed, treats that weeds are highly about 2-12 centimetre, and now sugarcane is in 4 leaf phases, weeds and bare soil are carried out to 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 Herbicidal combinations medicine
As can be known from the above table, go out sugarcane the Herbicidal combinations that postemergence application the present invention relates to, dispenser, after 10 days, according to binary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weed 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 Herbicidal combinations medicine
As can be known from the above table, go out sugarcane the Herbicidal combinations that postemergence application the present invention relates to, dispenser, after 30 days, according to binary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weed 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.
Therefore the Herbicidal combinations the present invention relates to has good control efficiency, is effectively better than the preventive effect of single dose separately, and has good quick-acting and late effect property.
test example 3
Corn field weed processing, after corn field is emerged, marks off the uniform plot of fertility, sowing weed seed, treats that weeds are highly about 2-12 centimetre, and now corn is in 5 leaf phases, weeds and bare soil are carried out to directed spraying processing, after dispenser 10 days respectively, 30 days investigation drug effects.
Table 5 corn field use the present invention relates to Herbicidal combinations medicine after 10 days preventive effects to weeds
As can be known from the above table, use the Herbicidal combinations dispenser the present invention relates to after 10 days at corn field, according to binary built Herbicidal combinations of the present invention, the monocotyledon weed 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 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 binary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weed 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.
Therefore the Herbicidal combinations the present invention relates to has good control efficiency, is effectively better than the preventive effect of single dose separately, and has good quick-acting and late effect property.
test example 4
The processing of citrus orchard weeds, at citrus orchard, marks off the uniform plot of fertility, and sowing weed seed, treats that weeds are highly about 2-12 centimetre, and weeds and bare soil are carried out to directed spraying processing, and after dispenser 10 days respectively, 30 days investigation drug effects.
Table 7 citrus orchard use the present invention relates to 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 binary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weed 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 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 binary built Herbicidal combinations of the present invention, has good preventive effect to the monocotyledon weed 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.
Therefore the Herbicidal combinations the present invention relates to has good control efficiency, is effectively better than the preventive effect of single dose separately, and has good quick-acting and late effect property.
Claims (17)
1. containing a Herbicidal combinations for ametryn and sulfentrazone, it is characterized in that: active component is made up of ametryn and sulfentrazone, the weight ratio of described ametryn and sulfentrazone is 50:1-1:50.
2. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, is characterized in that: the weight ratio of described ametryn and sulfentrazone is 30:1-1:30.
3. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, 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 and sulfentrazone according to claim 1, is characterized in that: the weight ratio of described ametryn and sulfentrazone is 10:1-1:10.
5. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, is characterized in that: the weight ratio of described ametryn and sulfentrazone is 5:1-1:5.
6. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, is characterized in that: described ametryn and sulfentrazone account for described Herbicidal combinations 5%-90% by weight altogether.
7. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, is characterized in that: described ametryn and sulfentrazone account for described Herbicidal combinations 10%-80% by weight altogether.
8. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, is characterized in that: described ametryn and sulfentrazone account for described Herbicidal combinations 20%-60% by weight altogether.
9. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, is characterized in that: also comprise carrier, surfactant, safener and the upper applicable auxiliary agent of other agricultural.
10. a kind of Herbicidal combinations containing ametryn and sulfentrazone according to claim 1, 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.
The method of 11. 1 kinds of undesirable vegetation of control, is characterized in that: Herbicidal combinations claimed in claim 1 is applied to and is existed or expection exists the place of undesirable vegetation.
12. according to a kind of method of preventing and treating undesirable vegetation of claim 11, it is characterized in that: comprise separately, use successively or simultaneously ametryn and sulfentrazone.
13. a kind of methods of preventing and treating undesirable vegetation according to claim 11, 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.
14. a kind of methods of preventing and treating undesirable vegetation according to claim 11, 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.
The method of vegetation is not wished in 15. a kind of controls according to claim 11, it 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.
The method of vegetation is not wished in 16. a kind of controls according to claim 11, it is characterized in that: described undesirable vegetation comprises grass family, sedge family monocotyledon weed and broadleaf weed.
The method of vegetation is not wished in 17. a kind of controls according to claim 11, it is characterized in that: described undesirable vegetation is the rhizome of nutgrass flatsedge.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108573A (en) * | 1985-12-20 | 1987-09-16 | Fmc公司 | Herbicides of aryl triazolinones |
| US6040271A (en) * | 1998-02-20 | 2000-03-21 | Bayer Aktiengesellschaft | Selective herbicides for the cultivation of sugar cane |
| CN101307030A (en) * | 2008-06-06 | 2008-11-19 | 山东潍坊润丰化工有限公司 | Preparation method of herbicide |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108573A (en) * | 1985-12-20 | 1987-09-16 | Fmc公司 | Herbicides of aryl triazolinones |
| CN1026585C (en) * | 1985-12-20 | 1994-11-16 | Fmc公司 | Herbicides of aryl triazolinone |
| US6040271A (en) * | 1998-02-20 | 2000-03-21 | Bayer Aktiengesellschaft | Selective herbicides for the cultivation of sugar cane |
| CN101307030A (en) * | 2008-06-06 | 2008-11-19 | 山东潍坊润丰化工有限公司 | Preparation method of herbicide |
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