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CN106577712A - Weeding composition - Google Patents

Weeding composition Download PDF

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Publication number
CN106577712A
CN106577712A CN201510672416.2A CN201510672416A CN106577712A CN 106577712 A CN106577712 A CN 106577712A CN 201510672416 A CN201510672416 A CN 201510672416A CN 106577712 A CN106577712 A CN 106577712A
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China
Prior art keywords
active component
herbicidal combinations
fields
plant
crop
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Pending
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CN201510672416.2A
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Chinese (zh)
Inventor
罗昌炎
詹姆斯·T·布里斯托
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Jiangsu Rotam Chemical Co Ltd
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Jiangsu Rotam Chemical Co Ltd
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Priority to CN201510672416.2A priority Critical patent/CN106577712A/en
Publication of CN106577712A publication Critical patent/CN106577712A/en
Pending legal-status Critical Current

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Abstract

The invention provides a weeding composition. Active components of the weeding composition are composed of the first active component and the second active component, wherein the first active component is promazine pyrazosulfuron-ethyl, and the second active component is pyrazosulfuron-ethyl; the weight ratio of the two active components is 1:100 to 100:1. The weeding composition can be used for preventing growth of broad leaf family weeds or sedge family weeds or grassy weeds or other undesirable plants in wheat fields, corn fields, soybean fields, sugar beet fields, sugarcane fields, cotton fields, rice field, bean fields, flax fields, barley fields, rye fields, triticale fields, oilseed rape fields, potato fields, millet fields, pasture fields, greenbelts or lawns and fruit tree plantations or non-crop areas, a gain effect is achieved, and meanwhile the use cost is reduced. The invention further provides a method for reducing or preventing damage of promazine pyrazosulfuron-ethyl to plants or seeds or other reproduction parts of useful crops treated with promazine pyrazosulfuron-ethyl.

Description

A kind of Herbicidal combinations
Technical field
The invention belongs to pesticide field, more particularly to a kind of Herbicidal combinations and a kind of undesirable plant of control The method of thing growth.
Background technology
Weeds in paddy field species is a lot, and paddy field weeding is a great problem in production.Chemical method weeding is control The Main Means of weeds.But in recent years, already lead to because some herbicide kind large area are used alone Many weeds develop immunity to drugs.Meanwhile, grass when weeds occur is mutually complicated, grassy weed, broad leaved weed, The mixed life of nutgrass flatsedge multiclass weeds, single variety herbicide use can not solve farmland weed, can show a certain The defect and limitation of aspect.
On the other hand, for rice section field crop, the herbicide of particularly rice terrace needs the choosing with height Selecting property.Although poisoning and energy management of weeds will not be brought to crop when herbicide is usually used, due to The reason for gas phase, environment, misuse etc. are various also can produce poisoning to crop sometimes.Especially for life For educating the herbicide of suppressive, poisoning is easily produced under conditions of moisture excess.Accordingly, it would be desirable to develop One kind under above-mentioned mal-condition also will not to crop produce poisoning, but can management of weeds, crops and weeds it Between have high selectivity herbicide.
Promazine Sulfometuron Methyl (Propyrisulfuron) is removed by the pyrimidine radicals sulfonylurea of SUMITOMO CHEMICAL chemistry exploitation Careless agent, is mainly used in rice terrace and prevents and kill off the grass family such as barnyard grass and broad leaved weed.The product consumption is low, to some Known sulfonylurea herbicide produces the weeds of resistance good preventive effect.Promazine Sulfometuron Methyl is to annual and many Year unboiled water weeds in paddy field, such as barnyard grass and ticklish water chestnut, arrowhead has good preventive effect.Promazine is phonetic Though sulphur is grand to belong to sulfonylurea herbicide, it produces the weeds of resistance to some known sulfonylurea herbicides Still there is good activity.Promazine Sulfometuron Methyl is mainly used for the herbicide that early metaphase is disposably killed, and can be used for The pesticidal preparations product such as suspending concentrate or large-scale tablet is made, field is directly thrown to.
Promazine Sulfometuron Methyl, molecular formula is C16H18O5N7SCl, its molecular structure is as follows:
Cinosulfuron (Cinosulfuron), molecular formula is C15H19N5O7S, chemical name is:1- (4,6- bis- Methoxyl group -1,3,5- triazine -2- bases) -3- [2 (2- methoxy ethoxies) phenylSulphon] urea.Its molecular structural formula is as follows It is shown:
Cinosulfuron belongs to sulfonylurea herbicide, is side chain amino acid synthetic inhibitor.It is poisoned after administration Weeds will not be dead immediately, but grow and stop, it appear that normal, thereafter plant starts yellow, withered to appearance Wither, whole process about 5-10 days.Because paddy rice is easily degraded, cinosulfuron is for rice safety.Cinosulfuron Can be used to prevent and treat the Nian Sheng broad-leaveds section of rice terrace 1 and sedge weed, and to succession crop safety.Cinosulfuron is prevented The best weeds of effect have water amaranth, difformed galingale herb, a Sagittaria weeds, carp intestines, three stamen waterworts, needle spikesedge herb, False loosestrife, Monochoria vaginalis, bog pondweed etc..
Sulfonylurea herbicide is selective inner-adsorption conduction-type herbicide, can be absorbed by weeds root and blade, Conduct rapidly in plant body, suppress cell division and growth, susceptible weeds to absorb after medicament, young shoot and root are fast Speed stops growing, tender tissue jaundice, subsequently withered.But sulfonylurea herbicide is still deposited in application process In some difficult problems, wherein most prominent is the resistance problem of its herbicide carryover and weeds to sulfonylurea herbicide.
The content of the invention
In order to solve above-mentioned technical problem, it is an object of the present invention to provide a kind of with broader herbicide Spectrum, highly active Herbicidal combinations.
Another object of the present invention is to provide for a kind of Herbicidal combinations so that those skilled in the art are in crop Various weeds or a certain unmanageable ruderal species are controlled after by applying these herbicides once or several times Class.
The present invention obtains in a particularly advantageous manner technology by the way that promazine Sulfometuron Methyl and cinosulfuron are combined Weeds distribution level needed for personnel, or even including unmanageable some weeds species.And, apply this Inventive composition can significantly reduce the amount of application of single component in combination, reduce the phytotoxicity to crop.
A kind of Herbicidal combinations of the present invention, even if under the mal-conditions such as the moisture excess for easily producing poisoning, Also high selectivity can be shown between crops and weeds, i.e., can also shows right under conditions of poisoning is easily produced The security of rice section crop and high activity of weeding is shown to the weeds that difficulty is prevented and kill off.
It is, up to this purpose, to present invention employs technical scheme below:
The invention provides a kind of Herbicidal combinations, its active component is by the first active component and the second activearm It is grouped into, wherein the first active component is promazine Sulfometuron Methyl, the second active component is cinosulfuron;Described The weight proportion of one active component and the second active component is 1:100-100:1, preferably 1:50-50:1, enter One step preferably 1:20-20:1, further preferably 1:10-10:1, more preferably 1:5-5:1.
A kind of Herbicidal combinations, active component is made up of the first active component and the second active component, is also wrapped Include filler and/or surfactant.
In the Herbicidal combinations, the total amount of first active component and the second active component accounts for the weeding Composition 1%-90% by weight can be 1%, 5%, 10%, 15%, 20%, 25%, 30%, 35%th, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%. In the Herbicidal combinations, the content of first active component and the second active component preferably accounts for the weeding The 1%-80% of composition, still further preferably further preferred 5%-70%, 10%-65%, further It is preferred that 15%-55%, most preferably 20%-50%.
The formulation of the Herbicidal combinations be wettable powder, missible oil, suspending agent, microcapsules, microemulsion, Aqueous emulsion, suspended emulsion, water dispersible granules, ultra low volume liquids, tablet, low capacity dispersible granule, ball Agent, microcapsules.
A kind of purposes of Herbicidal combinations in undesirable plant growth is prevented and treated.
A kind of Herbicidal combinations are in preventing and treating broad-leaved section weeds, sedge weed, the undesirable plant of grassy weed The purposes of thing growth.
A kind of Herbicidal combinations are used to prevent and treat the purposes of undesirable plant growth in useful crop.It is described to remove Careless composition can be used for prevent and treat wheat, corn and soybean, sugar beet, sugarcane, cotton, paddy rice, beans, In flax, barley, oat, rye, triticale, rape, potato, broomcorn millet, herbage, greenery patches or lawn, Broad-leaved section weeds, sedge weed, grassy weed are undesirable in the Zhong Huofei crop areas of planting fruit trees garden The purposes of plant growth.Can be especially useful for preventing and treating paddy rice, broad-leaved section weeds in lawn, sedge weed, The purposes of the undesirable plant growth of grassy weed.
A kind of Herbicidal combinations are used to prevent and treat the purposes of undesirable plant growth in useful crop, described to remove Careless composition is to the useful crop safety.
A kind of method for preventing and treating undesirable plant growth, including:I () is before undesirable plant germination; (ii) after undesirable plant germination;Or (iii) is at (i) and (ii), by herbicidally effective amount The Herbicidal combinations of the present invention are applied to undesirable plant or its growth place.
A kind of method for preventing and treating undesirable plant growth, the plant that would not want to or its growth place and weeding The Herbicidal combinations of the invention of effective dose contact or apply in water the weeding group of the invention of herbicidally effective amount Compound.
A kind of method for preventing and treating undesirable plant growth, by the first activearm of the Herbicidal combinations of the present invention Divide and the second active component collectively or individually is applied to undesirable plant or its growth place.
A kind of method of the undesirable plant growth of preventing and treating, is used as having including by the Herbicidal combinations of the present invention Apply in the presence of other reproductive parts of the plant of thing, the seed of useful crop or useful crop.
A kind of reduction prevents promazine Sulfometuron Methyl to the plant with its useful crop for processing, the kind of useful crop The method of the infringement caused by other reproductive parts of sub or useful crop, including using weeding of the present invention Other breeding portions of the plant of the useful plant described in compositions-treated, the seed of useful crop or useful crop Point.
Compared with prior art, the present invention at least has the advantages that:
(1) present invention is by the way that promazine Sulfometuron Methyl and cinosulfuron are compounded so that the Herbicidal combinations Active sum when activity is each applied more than both reactive compounds;In addition, by both work of adjustment The weight percentage and its proportioning of property compound thing so that it greatly improves and undesirable plant is prevented Effect is controlled, activity of weeding can reach more than 98%;
(2) present invention is mixed with both cinosulfurons by promazine Sulfometuron Methyl, and technology is obtained in a particularly advantageous manner Weeds distribution level needed for personnel, or even including unmanageable some weeds species.And, apply this Inventive composition can significantly reduce the amount of application of single component in combination, and the phytotoxicity of crop is not produced The unacceptable toxicity of life, improves its compatibility with crops.
Specific embodiment
The invention provides a kind of Herbicidal combinations, its active component is by the first active component and the second activearm It is grouped into, wherein the first active component is promazine Sulfometuron Methyl, the second active component is cinosulfuron;Described first The weight proportion of active component and the second active component is 1:100-100:1, preferably 1:50-50:1, it is further excellent Select 1:20-20:1, further preferably 1:10-10:1, more preferably 1:5-5:1.
The weight proportion of the first active component and the second active component in the present invention for example can also be 1:100、 1:95、1:90、1:80、1:75、1:70、1:65、1:60、1:55、1:50、1:45、1:40、1:35、1:30、 1:25、1:20、1:15、1:10、1:8、1:5、1:2、1:1、2:1、5:1、8:1、10:1、15:1、20:1、 25:1、30:1、35:1、40:1、45:1、50:1、60:1、70:1、80:1、90:1、100:1 etc..
Synergistic function reduces can the rate of application of single herbicide, the effectiveness under identical rate of application is higher, Prevent and treat also not controlled kind, prevent and treat to single herbicide or various herbicide tolerants or the product with resistance Plant, the administration phase extends and/or the required number of times that is administered alone is reduced;And for user, obtain Control of weeds system in economic and ecology advantageously.
The Herbicidal combinations of the present invention cause the activity of the first active component and the second active component not expect Mode Synergistic, beyond using single first active component and the accessible activity of the second active component. Such Herbicidal combinations can be administered compared with the situation of each medicament is administered alone with low dose, because This is also effective for the mitigation of the carrying capacity of environment for applying region or its periphery.
The rate of application of the first active component can change in a wide range, for example 0.1g to 500g A.I./ha (under Wen Zhong, A.I./ha represent " active material/hectare "=based on 100% purity reactive compound meter).With When the rate of application of 0.1g to 500g A.I./ha is applied, when prior to seeding, before plantation or before bud and after bud used in During the first active component, it has a relatively wide noxious plant spectrum to be prevented and treated, such as annual and for many years Raw unifacial leaf or dicotyledonous broad leaved weed, grassy weed and sedge, and the plant of undesirable crop Thing.
The rate of application of the second active component can change in a wide range, for example 1g to 300g A.I./ha, its tool There is relatively wide noxious plant spectrum to be prevented and treated.
First active component for example can be by reference to mentioned list with the suitable proportion of the second active component Depending on the rate of application of individual compound.In the Herbicidal combinations of the present invention, rate of application can be generally reduced.At this In the Herbicidal combinations of invention, the first active component is 1 with the weight proportion of the second active component:100-100:1, It is preferred that 1:50-50:1, further preferred 1:20-20:1, further preferably 1:10-10:1, more preferably 1:5-5:1.
The Herbicidal combinations of the present invention can also include one or more and the first active component and the second active component Other reactive compounds that are different and also serving as selective herbicide.
The Herbicidal combinations of the present invention can also include the various reactive compounds of other components, be selected from safety Agent, fungicide, insecticide, acaricide, nematicide, bird repellent, soil conditioner, plant Thing nutrient (fertilizer) and structure be different from the herbicide of the first active component and the second active component and Plant growth regulator.
Preferably, the different types of agrochemically active compound includes Acetochlor (acetochlor), lives Change ester (acibenzolar), diazosulfide (acibenzolar-S-methyl), acifluorfen (acifluorfen), Aclonifen (aclonifen), alachlor (alachlor), allidochlor (allidochlor), alloxydimsodium (alloxydim), Ametryn (ametryn), amicarbazone (amicarbazone), amidosulfuron (amidosulfuron), chlorine Fampridine Sour (aminopyralid), Amrol (amitrole), Amcide Ammate (ammonium sulfamate), ancymidol (ancymidol), anilofos (anilofos), sulphur grass spirit (asulam), atrazine (atrazine), azafenidin (azafenidin), azimsulfuron (azimsulfuron), benfuresate (benfuresate), bensulfuron-methyl (bensulfuron), bentazone (bentazone), benzfendizone (benzfendizone), benzobicylon (benzobicyclon), benzofenap (benzofenap), fluorine sulfanilamide (SN) grass (benzofluor), fluorine benzofenap (bicyclopyrone), bispyribac-sodium (bispyribac-sodium), Brominal (bromoxynil), butachlor (butachlor), butafenacil (butafenacil), butralin (butralin), cafenstrole (cafenstrole), double Acyl grass amine (carbetamide), chlorimuronethyl (chlorimuron, chlorimuron-ethyl), cycocel (chlormequat chloride), chlortoluron (chlorotoluron), chlorine sulphur grand (chlorsulfuron), cinmethylin (cinmethylin), cinosulfuron (cinosulfuron), clethodim (clethodim), clomazones (clomazone), Clomeprop (clomeprop), clopyralid (clopyralid), cyanazine (cyanazine), cyclopropionate acyl Amine (cyclanilide), AC322140 (cyclosulfamuron), cycloxydim (cycloxydim), ring cafenstrole (cyprazole), daimuron (daimuron/dymron), Mediben (dicamba), diclofop-methyl (diclofop- Methyl), smart diclofop-methyl (diclofop-P-methyl), diclosulam (diclosulam), acetyl alachlor (diethatyl, diethatyl-ethyl), diflufenican (diflufenican), diflufenzopyr (diflufenzopyr, Diflufenzopyr-sodium), oxazoles grand (dimefuron), dimepiperate (dimepiperate), dimethachlor (dimethachlor), dimethametryn (dimethametryn), diphenamide (diphenamid), dipropetryn (dipropetryn), diquat dibromide (diquat), diuron (diuron), ethametsulfuron (ethametsulfuron, Ethametsulfuron-methyl), ethephon (CEPHA),2-(chloroethyl) phosphonic acid (ethephon), ethidimuron (ethidimuron), ethoxysulfuron (ethoxysulfuron), ethobenzanid (etobenzanid), oxazole diclofop-methyls (fenoxaprop), Jing oxazole standing grain Careless spirit (fenoxaprop-P), oxazole diclofop-methyls (fenoxaprop-ethyl), fentrazamide (fentrazamide), Flazasulfuron (flazasulfuron), florasulam (florasulam), fluazifop (fluazifop), smart pyrrole Fluorine diclofop-methyl (fluazifop-P), fluazifop-P-butyl (fluazifop-butyl), efficient fluazifop butyl ester (fluazifop-P-butyl), fluazolate (fluazolate), flucarbazonesodium (flucarbazone, flucarbazone - sodium), flucetosulfuron (flucetosulfuron), flufenacet (flufenacet), flumetralim (flumetralin), Flumetsulam (flumetsulam), flumioxazin (flumioxazin), alkynes grass amine (flumipropyn), fluorine Careless grand (fluometuron), fluorodifen (fluorodifen), fluoroglycofen-ethyl (fluoroglycofen, Fluoroglycofen-ethyl), flupoxam (flupoxam), flupyrsulfuron-methyl-sodium (flupyrsulfuron), halozydine Ketone (fluridone), fluorochloridone (flurochloridone), fluroxypyr (fluroxypyr), flurtamone (flurtamone), thiazole oxamide (fluthiamide), fomesafen (fomesafen), Glufosinate (glufosinate, glufosinate-ammonium), Glufosinate-P (glufosinate-P, glufosinate-P- Ammonium), Glufosinate-P- sodium salts (glufosinate-P-sodium), glyphosate (glyphosate), grass are sweet Phosphine isopropyl ammonium salt (glyphosate-isopropylammonium), fluorine nitre sulfonamide (halosafen), the phonetic sulphur of chlorine pyrrole Grand (halosulfuron, halosulfuron-methyl), fluazifop-butyl (haloxyfop), smart fluazifop-butyl (haloxyfop-P), fluorine pyrrole second standing grain spirit (haloxyfop-ethoxyethyl), smart fluorine pyrrole second standing grain spirit (haloxyfop-P - ethoxyethyl), haloxyfop-P-methyl (haloxyfop-methyl), haloxyfop-methyl (haloxyfop-P- Methyl), hexazinone (hexazinone), miaow oxalic acid (imazamethabenz, imazamethabenz-methyl), Imazamox (imazamox, imazamox-ammonium), AC 263222 (imazapic), imidazoles cigarette Sour (imazapyr, imazapyr-isopropylammonium), imazaquin (imazaquin, imazaquin - ammonium), imazethapyr (imazethapyr, imazethapyr-ammonium), imazosulfuron (imazosulfuron), inabenfide (inabenfide), iodine metsulfuron-methyl (iodosulfuron, iodosulfuron-methyl - sodium), ioxynil (ioxynil), isoproturon (isoproturon), Yi Evil acyls grass amine (isoxaben), Yi Evil Chlorine humulone (isoxachlortole), isoxaflutoles (isoxaflutole), Yi Evil grass ether (isoxapyrifop), newborn fluorine Diclofop-methyl (lactofen), lenacil (lenacil), mefenacet (mefenacet), chlorine sulphonyl grass amine (mefluidide), methyl piperidine (mepiquat-chloride), mesosulfuronmethyl (mesosulfuron, mesosulfuron - methyl), mesotrione (mesotrione), methabenzthiazuron (methabenzthiazuron), azole amide (metamifop), metamitron (metamitron), metazachlor (metazachlor), methazole (methazole), Sulfonylurea (methiopyrsulfuron), methoxyphenone (methoxyphenone), methyldymron (methyldymron), isopropyl methoxalamine (metolachlor), S-metolachlor (S-metolachlor), sulphur grass Azoles amine (metosulam), metoxuron (metoxuron), metribuzin (metribuzin), metsulfuron-methyl (metsulfuron, Metsulfuron-methyl), molinate (molinate), monosulfmeturon (monosulfuron), monosulfmeturon ester (monosulfuron ester), telvar (monuron), napropamide (napropamide), nicosulfuron (nicosulfuron), oxadiargyl (oxadiargyl), Evil humulones (oxadiazon), oxasulfuron (oxasulfuron), oxaziclomefones (oxaziclomefone), Oxyfluorfen (oxyfluorfen), paclobutrazol (paclobutrazol), paraquat (paraquat, paraquat dichloride), pendimethalin (pendimethalin), Huan Wu Evil humulones (pentoxazone), pethoxamid (pethoxamid), picloram (picloram), fluorine pyrrole acyl Careless amine (picolinafen), pinoxaden (pinoxaden), piperophos (piperophos), pretilachlor (pretilachlor), probenazole (probenazole), profluazol (profluazol), profluralin (prifluraline), clefoxidim (profoxydim), prometryn (prometryn), propanil (propanil), put out Tianjin (propazine), Chem hoe (propham), propisochlor (propisochlor), the phonetic sulphur of piperazine imidazoles (propyrisulfuron), propyzamide (propyzamide), prosulfocarb (prosulfocarb), prosulfuron (prosulfuron), prynachlor (prynachlor), pyraclonil (pyraclonil), pyraflufen-ethyl (pyraflufen, Pyraflufen-ethyl), pyrazosulfuron (pyrazosulfuron, pyrazosulfuron-ethyl)), iso-propyl-ester nitrofen (pyribambenz-isopropyl), propyl-ester nitorfen (pyribambenz-propyl), pyribenzoxim (pyribenzoxim), pyributicarb (pyributicarb), pyriftalid (pyriftalid), KIH 6127 (pyriminobac, Pyriminobac-methyl), Nylar (pyrimisulfan), pyrithiobacsodium (pyrithiobac, pyrithiobac- Sodium), pyroxasulfone, pyroxsulam (pyroxsulam), dichloro quinolinic acid (quinchlorac), Quinmerac (quinmerac), quizalofop-ethyl (quizalofop), Quizalotop-ethyl (quizalofop-P), smart quinoline standing grain Clever ethyl ester (quizalofop-P-ethyl), rimsulfuron (rimsulfuron), benzene flumetsulam (saflufenacil), Zhong Dingtong (secbumeton), sethoxydim (sethoxydim), Tupersan (siduron), sulphur humulone (sulcotrione), Sulfentrazone (sulfentrazone), sulfometuronmethyl (sulfometuron, sulfometuron-methyl), Thidiazuron (thidiazuron), thifensulfuronmethyl (thifensulfuron, thifensulfuron-methyl), benthiocarb (thiobencarb), tiocarbazil (tiocarbazil), triasulfuron (triasulfuron), triaziflam (triaziflam), Tribenuron-methyl (tribenuron, tribenuron-methyl), trichloroacetic acid (TCA), trichlopyr (triclopyr), Tridiphane (tridiphane), trifloxysulfuron (trifloxysulfuron, trifloxysulfuron-sodium), fluorine pleasure Clever (trifluralin), triflusulfuronmethyl (triflusulfuron), triflusulfuronmethyl methyl esters (triflusulfuron-methyl), Trimeturon (trimeturon), TrinexAN_SNacethyl (trinexapac, trinexapac-ethyl), tritosulfuron (tritosulfuron), tsitodef, uniconazole P (uniconazole).
Although first active component and the second active component show in a large amount of crops it is good or even Enough selectivity, in principle, in some crops, particularly also with other selective less herbicides During mixing, it is possible that the phytotoxicity to crop plants.So including Herbicidal combination of the invention The composition of thing and one or more safener is particularly advantageous.The safener is made with effective dose of detoxifying Reduce with, such as economically important crop or in planting fruit trees garden (plantation crops) weeding used The plant toxicity side effect of agent.The economically important crop such as cereal (wheat, barley, rye, Oat, corn, paddy rice and broomcorn millet), sugar beet, sugarcane, rape, cotton and soybean, preferred cereal is special Wei not paddy rice.
Hereinafter the compound for being for example suitable for safener is (including possible stereoisomer and agriculturally conventional Ester or salt):Benoxacor (benoxacor), cloquitocet_mexyl (cloquintocet (- mexyl)), cyometrinil (cyometrinil), cyprosulfamide, dichlormide (dichlormid), dicyclonon, o- phenyl sulphur For phosphoric acid o, o- diethyl esters (dietholate), fenchlorazole (fenchlorazole (- ethyl)), fenclorim (fenclorim) careless amine (flurazole), fluxofenim (fluxofenim), Xie Cao oxazoles (furilazole), double benzene, are solved Oxazole acid (isoxadifen (- ethyl)), mefenpyrdiethyl (mefenpyr (- diethyl)), methyl carbamic acid 4- chlorine Phenylester (mephenate), naphthalic anhydride and oxabetrinil (oxabetrinil).
Known some safeners are used as herbicide, and correspondingly, except noxious plant is had herbicide effect it Outward, the effect of cover crop plant is also acted as.
The weight of Herbicidal combinations and safener is than generally depending on the rate of application and the safener of herbicide Effect, and can change in a wide range, such as 90000:1-1:5000th, preferably 7000:1-1:1600、 Especially 3000:1-1:500th, particularly 1:100-20:In the range of 1.Safener can with the first active component and Second active component is prepared with finished product preparation or supplies and make in the form of with the tank mix of the Herbicidal combinations With.
The present invention provides a kind of purposes of Herbicidal combinations in undesirable plant growth is prevented and treated.
The present invention provides a kind of Herbicidal combinations and is preventing and kill off broad-leaved section weeds, sedge weed, grassy weed The purposes of undesirable plant growth.
The Herbicidal combinations of the present invention to the economically important unifacial leaf of wide range and dicotyledonous harmful plants for example Broad leaved weed, grassy weed or sedge, including the species to weeding active compound with resistance With excellent activity of weeding, the weeding active compound is such as glyphosate, Glufosinate, atrazine, Imidazolinone herbicide and sulfonylurea.
The monocotyledon weed and dicotyledonous weed flora of the Herbicidal combinations preventing and treating of Tong Guo the present invention that can be mentioned that Some representational instantiations of group, but it is not limited to some kinds.
The example of the weed species of the herbicidal composition useful effect is, such as in monocotyledon weed with Subordinate, such as Echinochloa (Echinochloa spp.), Panicum (Panicum spp.), Poa L. (Poa spp.), thousand Gold category (Leptochloa spp.), Brachiaria (Brachiaria spp.), knotgrass (Digitaria spp.), dog Tail grass category (Setaria spp.), Cyperus (Cyperus), Monochoria (Monochoria spp.), genus fimbristylis, Sagittaria (Sagittaria spp.), Eleocharis (Eleocharis spp.), Scirpus (Scirpus spp.), Waterplantain (Alisma spp.), leaf of bamboo Lepidium (Aneilema spp.), water screening spp (Blyxa spp.), eriocaulon buergerianum (Eriocaulon Spp.), Potamogeton (Potamogeton spp.) etc. all prevents and treats very well, particularly following kind:Water barnyard grass (Echinochloa oryzicola), Monochoria vaginalis (Monochoria vaginalis), yak grass (Eleocharis Acicularis), scouring rush's shape water chestnut (Eleocharis kuroguwai), difformed galingale herb (Cyperus difformis), water Nutgrass flatsedge (Cyperus serotinus), short arrowhead (Sagittaria pygmaea), alisma canaliculatum (Alisma Canaliculatum), firefly Lin (Scirpus juncoides).In the case of broadleaf weed, activity profile is extended to With subordinate, such as Polygonum (Polygonum spp.), section section Lepidium (Rotala spp.), Vandellia (Lindernia Spp.), Bidens (Bidens spp.), sphenoclea (Sphenoclea spp.), horsefly eye category (Dopatrium Spp.), Eclipta prostrata category (Eclipta spp.), Elatine ambigua (Elatine spp.), Gratiola (Gratiola spp.), mother Grass category (Lindernia spp.), ludwigia (Ludwigia spp.), Oenanthe (Oenanthe spp.), Ranunculus (Ranunculus spp.), damp chilly category (Deinostema spp.) etc..Particularly such as following kind:Successively Dish (Rotala indica), cusp flower (Sphenoclea zeylanica), Procumbent Falsepimpernel (Lindernia procumbens), False loosestrife (Ludwigia prostrate), bog pondweed (Potamogeton distinctus), waterwort (Elatine ) and Chinese celery (Oenanthe javanica) triandra.
The present invention also provides a kind of Herbicidal combinations for preventing and treating undesirable plant growth in useful crop Purposes.
The Herbicidal combinations of the present invention can be used on the farmland of useful crop below such as cultivation:
Cereal crops, for example, include:
Cereal (granule cereal) such as wheat (Triticum aestivum) and little wheat crops such as durum wheat (T.durum), one grained wheat (T.monococcum), emmer wheat (T.dicoccon) and spelt (T.spelta), rye (Secale cereale), triticale (Tritiosecale), barley (Hordeum vulgare);
Corn (Zea mays);
Chinese sorghum (such as sugar grass (Sorghum bicolour));
Rice (Oryza (Oryza) such as paddy rice (Oryza sativa) and African paddy rice (Oryzaglaberrima);
Sugarcane;
Beans (Legumes (pulse family (Fabaceae))), such as including soybean (Glycine max.), peanut (Arachis Hypogaea) (wrap with legume crop such as pea (including pea (Pisum sativum), pigeonpea and cowpea), Kidney bean Include broad bean (Vicia faba), black mixed coloured cowpea category (Vigna) and black Phaseolus (Phaseolus)) and French beans (Lens culinaris (lens culinaris var.));
Cruciferae, such as including Canola (cabbage type rape (Brassica napus)), rape (Brassica Napus), cabbage (B.oleracea var.), leaf mustard such as leaf mustard (B.juncea), Chinese cabbage (B.campestris), collapse Dish (B.narinosa), black mustard (B.nigra) and Mediterranean open country blister beetle (B.tournefortii);And turnip (Brassica rapa var.);
Other broad leaf crops, such as including sunflower, cotton, flax, linseed, sugar beet, potato And tomato;
TNV crop (TNV:Tree, kernel and rattan), such as including grape, oranges and tangerines, a kind of fruit, such as apple, pear, etc., such as apple And pears, coffee, American pistachios and oil palm, drupe, such as peach, almond, walnut, olive, cherry, Li He Apricot;
Turf, herbage and pasture;
Onion and garlic;
Bulb ornamental plant such as tulip and narcissus;
Coniferous tree and deciduous tree such as Pinus (Pinus), fir, Oak Tree, maple, Fructus Corni, hawthorn, Malus spectabilis With Rhamnus (Rhamnus) (sandlwood);
Garden ornamental plant such as petunia, marigold, rose and toad's-mouth.
The present invention Herbicidal combinations be particluarly suitable for wheat, barley, rye, triticale, durum wheat, Rice, corn, sugarcane, Chinese sorghum, soybean, legume crop such as pea, Kidney bean and French beans, peanut, sunflower, Sugar beet, potato, cotton, Brassicas crop, such as rape, Canola, leaf mustard, cabbage and turnip, Turf, grape, such as a kind of fruit, such as apple, pear, etc., apple and pears, drupe, such as peach, almond, walnut, olive, cherry, Lee And apricot, oranges and tangerines, coffee, American pistachios, garden ornamental plant, such as rose, petunia, marigold, goldfish Grass, bulb ornamental plant such as tulip and narcissus, coniferous tree and deciduous tree such as Pinus, fir, Oak Tree, maple The growth of undesirable plant is prevented and kill off/prevented and treated in tree, Fructus Corni, hawthorn, Malus spectabilis.
The present invention Herbicidal combinations be best suitable for wheat, barley, rye, triticale, durum wheat, rice, Corn, sugarcane, Chinese sorghum, soybean, legume crop such as pea, Kidney bean and French beans, peanut, sunflower, sugar Garden beet, potato, cotton, Brassicas crop, such as rape, Canola, leaf mustard, cabbage and turnip, Turf, grape, drupe, such as peach, almond, walnut, olive, cherry, Li Hexing, oranges and tangerines and American pistachios In prevent and kill off/prevent and treat the growth of undesirable plant.
Especially crop for example wheat, barley, rye, rice, corn, sugarcane, Chinese sorghum, legume crop, Peanut, sunflower, sugar beet, potato, cotton, Brassicas crop, turf, grape, a kind of fruit, such as apple, pear, etc., core Really, in oranges and tangerines, coffee, American pistachios, garden ornamental plant, coniferous tree and deciduous tree, they can effectively prevent Broad leaved weed, grassy weed and sedge weed are controlled, and injury is produced essentially without to crop.
The Herbicidal combinations of the present invention are highly useful.The Herbicidal combinations of the present invention have played significant association Same synergistic effect, i.e., be a small amount of in the first active component and the respective amount of application of the second active component, is also played Good activity of weeding, therefore reduce the impact brought to surrounding enviroment.Additionally, the weeding group of the present invention Compound alleviates the key of useful crop compared with the situation of each medicament is administered alone.On the other hand, this Bright Herbicidal combinations additionally provide situation about individually applying with the first active component, the second active component Compare longer continuation long, i.e. keep the Herbicidal combinations of residual effect.
The Herbicidal combinations of the present invention also can admirably prevent and treat the undesirable plant in non-crop area Growth.Non- crop area Ru Lu, railway, meadow, utility line, especially in the region that there are trees Undesirable plant growth.
The Herbicidal combinations of the present invention can also be used for following crop plants, and the crop plants are due to genetic engineering Or breeding and it is resistant to one or more herbicide, it is sick to one or more due to genetic engineering or breeding Substance, such as plant pathogenic fungi are resistant or resistant to insect infestations due to genetic engineering or breeding. The suitable crops for e.g. tolerating synthetic auxin, preferred corn, wheat, sunflower, rice, Canola, rape, soybean, cotton and sugarcane, or due to introducing gene to Bt toxin by genetic modification Tolerate the crops of some insect infestations.
A kind of Herbicidal combinations are used to prevent and treat the purposes of undesirable plant growth in useful crop, described to remove Careless composition is to the useful crop safety.
If active component can not be well tolerable by some crops, can remove by spraying apparatus directed spraying Careless composition is so that they to the greatest extent may be used when reaching and being grown in the following leaf for being not intended to plant or exposed soil Can tactiosensible crops less.
The present invention also provide it is a kind of reduction or prevent promazine Sulfometuron Methyl to the plant with its useful crop for processing, The method of the infringement caused by other reproductive parts of the seed of useful crop or useful crop, including with this Bright described Herbicidal combinations process other of the plant, the seed of useful crop or useful crop of useful plant Reproductive part.
The amount of application of herbicide can change in very large range, and optimised quantity depends on described herbicide, is harmful to Plant is composed and crop spectrum.The consumption level of required herbicide depends on specific weed infestation, to be controlled miscellaneous Careless spectrum, auxiliary agent etc..Most preferably use relatively low amounts of herbicide.The work of the Herbicidal combinations of the present invention Property higher than each herbicidal activity applied expected summation, the first active component and the second active component are present assists Same synergistic effect.
Synergistic function reduces the rate of application of single herbicide, the effectiveness under identical rate of application is higher. In the Herbicidal combinations of the present invention, the rate of application of single compound is reduced and Herbicidal combinations maintain good Good exposure level;Secondly the independent material in the range of low rate of application has become from the point of view of agronomic point In the case of useless, composition obtains high-caliber Weeds distribution.
Thus, applying Herbicidal combinations of the present invention can significantly reduce the amount of application of single component in composition, So as to reduce the phytotoxicity to crop.
The method that the present invention provides a kind of undesirable plant growth of preventing and treating, by the Herbicidal combinations of the present invention First active component and the second active component collectively or individually are applied to undesirable plant or its growth field Institute.
A kind of method for preventing and treating undesirable plant growth, including:I () is before undesirable plant germination (before bud);(ii) after undesirable plant germination (after bud);Or (iii) is at (i) and (ii), The Herbicidal combinations of the invention of herbicidally effective amount are applied to into undesirable plant or its growth place.It is preferred that Also to undesirable plant for having germinateed, (such as broad leaved weed, grass family is miscellaneous before undesirable plant germination Grass, sedge or undesirable crop plants) be administered, and with the growth period of the crop of sowing/plantation It is unrelated.
First active component of the Herbicidal combinations of the present invention comprising effective dose and the second active component have collaboration Synergistic effect.When common or association can be observed when almost the first active component and the second active component is administered simultaneously Same-action;When the first active component and the second active component is applied respectively in the different time, also observable To synergy;Can also the active component of sequential application first and the second active component, such as apply before first bud Then apply after bud, or apply after first early stage bud, then apply after mid-term or later stage bud.Here is preferably common The first active component and the second active component, and particularly preferably common use are administered simultaneously together or almost.
If the Herbicidal combinations of the present invention are applied to into soil surface before germination, weeds are entirely prevented Seedling germinates, or weed growth is to cotyledon period, but and then its just stop growing, and it is final at two weeks extremely It is completely dead after surrounding.
If the reactive compound to be applied to after germination the green parts of plant, growth equally can be at place Just drastically stop in suitable short time after reason, and growth period of ruderal plant when being maintained at time of application point, It is relatively early by this way and constantly eliminate by being harmful to crop or it is completely dead after some time The competition that the weeds of plant produce.For paddy rice, also the Herbicidal combinations can be applied in water, then It passes through soil, bud and root and is absorbed.
When the first active component and the second active component common use, there is chemiluminescence.Here, Expected summation of the activity of the composition higher than each herbicidal activity applied.Synergy makes the rate of application can Reduce, prevent and treat the broad leaved weed of more wide range, grassy weed and sedge, herbicide effect work faster, Duration is longer, preferably prevent and treat and can widen by only once or several times applying just to have noxious plant The administration phase.Dosage and the first active component and the second active component used in the Herbicidal combinations has Effect dosage is all adjustable to relatively low level, so that its effect to soil is reduced to minimum degree.This is caused The Herbicidal combinations of the present invention not only can be applied to sensitive crop, also almost avoid underground water pollution.This Invention Herbicidal combinations cause rate of application needed for active component to significantly decrease.
Above-mentioned characteristic and advantage for control of weeds with keep agricultural/forestry/garden crop or greenery patches/meadow from Undesirable competitive plant, so as to useful crop yield water is guaranteed and/or increased from the angle of quality and quantity Put down what is be a need for.For the characteristic, this Herbicidal combinations have significantly surmounted the technology of this area Present situation.
The method that the present invention also provides a kind of undesirable plant growth of preventing and treating, including by the weeding group of the present invention Compound is applied in the presence of other reproductive parts of the plant, the seed of useful crop or useful crop of useful crop With.
The method that the present invention also provides a kind of undesirable plant of preventing and treating, preferably in useful crop plants, spy It is not that undesirable plant is prevented and treated in rice crop, the method is included as the of Herbicidal combinations of the present invention One active component and the second active component, for example, be applied to plant (such as undesirable plant collectively or individually Thing, such as unifacial leaf or dicotyledonous broad leaved weed, grassy weed, sedge or undesirable crop are planted Thing), seed (such as caryopsis, seed or vegetative propagation organ, such as stem tuber and the branch portion with bud), Huo Zheshi For the region (such as the region of cultivation, it also can be covered with water) of plant growth.A kind of herbicide can be another (for example cultivate in the region for planting before herbicide, being applied to afterwards or concurrently plant, seed or plant growth Region).
The Herbicidal combinations of the present invention can be by using technology well known to those skilled in the art in a usual manner Apply.Suitable technology includes spraying, atomization, dusting, broadcasts sowing or pour.Type is applied with well-known Mode depend on desired purpose;Under any circumstance the technology, it is ensured that active component of the present invention it is optimal May distribution.
The inventive method is most preferably for undesirable plant or its growth place preventing and treating plant growth area or will use Weeds in the region of long-term cropping.When for plant growth area, amount of application should be enough to control weeds life Grow but serious permanent injury will not be produced to crop.
" undesirable plant " is understood to mean that and is grown in being not intended to all plants where its growth. These can be that for example, noxious plant (plant by such as unifacial leaf or broadleaf weed, grassy weed, Cyperaceae Thing or undesired crop plants), including for example to some weeding active compounds (for example glyphosate, Glufosinate, Atrazine, imidazolinone herbicide and sulfonylurea) there are those plants of resistance.
The Herbicidal combinations of the present invention can be applied by being usually used in the various application processes of rice herbicide.It is special Not preferably, it is applied by spraying and/or is applied by impregnating administration.In dipping is applied, during administration, The water in paddy field had covered ground and had been up to 3-20cm.Then the Herbicidal combinations of the present invention are placed directly within into paddy field Water in.Worldwide, the paddy rice for being mainly used in direct sowing is applied in spraying, and is impregnated and applied main For the paddy rice transplanted.
The method that the present invention also provides a kind of undesirable plant growth of preventing and treating, the plant that would not want to or its life Long place contacts or applies in water the sheet of herbicidally effective amount with the Herbicidal combinations of the invention of herbicidally effective amount The Herbicidal combinations of invention.
The present invention also provides a kind of Herbicidal combinations, even if in the severe bar such as the moisture for easily producing poisoning is excessive Under part, high selectivity also can be shown between crops and weeds, i.e., also can under conditions of poisoning is easily produced Display shows high activity of weeding to the security of rice section crop and to the weeds that difficulty is prevented and kill off.
The present invention also provides a kind of Herbicidal combinations, and active component is by the first active component and the second active component Composition, also including filler and/or surfactant.In the Herbicidal combinations, first active component Herbicidal combinations 1%-90% by weight is accounted for the total amount of the second active component, can be 1%, 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%.It is preferred that 1%-80%, further preferred 5%-70%, further It is preferred that 10%-65%, still more preferably 15%-55%, most preferably 20%-50%.
The Herbicidal combinations of the present invention can be converted into conventional formulation, for example wettable powder, missible oil, suspending agent, It is microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, ultra low volume liquids, tablet, low Capacity dispersible granule, pill, microcapsules.
According to the present invention, term " filler " refers to can be combined with active component or combines to make it easier for It is administered to the naturally occurring or synthetic organic or inorganic compound of object (such as plant, crop or careless class).Cause This, the filler is preferably inert, at least should be agricultural acceptable.The filler can be solid Body or liquid.
Applicable solid carrier is:Such as phyteral powdery type (such as soy meal, starch, grain dust, wood Powder, bark powder, sawdust, walnut shell powder, wheat bran, cellulose powder, coconut husk, corncob and tobacco stem Particle, extract the residue etc. after plant essence), clay class (such as kaolin, bentonite, acid china clay etc.), Talcum powder class.Silica (such as diatomite, silica sand, mica, aqueous silicic acid, calcium silicates), activated carbon, (the examples such as natural mineral matter class (float stone, attapulgite and zeolite etc.), firing diatomite, sand, plastics medium Such as polyethylene, polypropylene, polyvinylidene chloride), potassium chloride, calcium carbonate, the inorganic mineral of calcium phosphate etc. Chemical fertilizer, the clay fertilizer of property powder, ammonium sulfate, ammonium phosphate, urea, ammonium chloride etc., these materials can be with It is used alone or two or more is mixed.
Applicable liquid-carrier can be selected in llowing group of materials, such as water, alcohol type (such as methyl alcohol, second Alcohol, isopropanol, butanol, ethylene glycol etc.), ketone (for example acetone, methyl ethyl ketone, isobutyrone, Cyclohexanone etc.), ethers (such as ether, dioxs, methylcellulose, tetrahydrofuran etc.), aliphatic carbon Hydrogen compound class (such as kerosene, mineral oil etc.), aromatic hydrocarbons class (for example benzene, toluene, two Toluene, solvent naphtha, alkylnaphthalene, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene etc.), halogenated hydrocarbon class, Amide-type, sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, animal oil etc..
Applicable surfactant has the emulsifying agent with ion or non-ionic nature, dispersant or wetting agent, Or the mixture of these surfactants.These surfactants it is suitable have AEO, It is the phosphate of polyoxyethylene alkylaryl ether, polyoxyethylene higher fatty acid esters, polyoxyethylene alcohol or phenol, many The fatty acid ester of first alcohol, alkylaryl sodium sulfonate, naphthalene sulfonic acid polymer, lignosulfonates, macromolecule comb shape Dendritic copolymer, butyl naphthalene sulfonate, alkylaryl sulfonates, sodium alkylsulfosuccinates, grease, Polyacrylate, the protein hydrolysate such as fatty alcohol and ethylene oxide condensate, alkyltaurate.Properly Compound sugar thing or polymer, such as based on single vinyl monomer, acrylic acid, polyoxyethylene or polyoxy third Alkene or itself and such as combination of (polynary) alcohol or (polynary) amine.When the one kind in reactive compound and/or A kind of water insoluble in inert carrier and when applying in water, it is necessary to there is surfactant.Live on surface Property agent ratio be the present invention Herbicidal combinations 5%-40%.
If appropriate, can also there are other addO-on therapies in Herbicidal combinations of the invention, such as protecting colloid, Adhesive, adhesive, thickener, thixotropic agent, bleeding agent, stabilizer, screening agent, sequestering agent, Complex-forming agents.Generally, described active component can with any solid for being conventionally used for preparation purpose or Liquid additive is combined.
The Herbicidal combinations of the present invention can be by known way by the active component and following material At least one is mixed:Liquid-carrier or solid carrier, emulsifying agent, dispersant, wetting agent and/or protection Colloid, adhesive, adhesive, thickener, thixotropic agent, bleeding agent, stabilizer, screening agent, multivalence chela Mixture, complex-forming agents, water and other processing aids.
The Herbicidal combinations of the present invention can be formulated as example single component-if appropriate by known method, with it Its reactive compound, additive and/or common dosage forms auxiliary agent-mix preparation, then by said composition with routine Apply after mode dilute with water;Or it is common with water by each component that will individually prepare or part is individually prepared Dilute and be formulated as a barrel mix formulation.Can individually be prepared with separate administration or the independent each component prepared in part. Also many parts can be divided to use the herbicide or Herbicidal combinations (sequential application), for example first seed dressing is applied or broadcast Before kind/plant to apply followed by carry out before pre-treatment or bud and apply after administration or early stage bud after bud, in then carrying out Apply after phase or later stage bud.Here is preferably used in conjunction with or almost uses simultaneously the active ingredient of the composition Thing, particularly preferred common use.
According to formulation properties, can with it is anticipated that object and popular environment are selecting application process, such as blade face, It is impregnated with, sprays, dusting, scatters and selected.
First active component and the second active component can with itself, its dosage form or by further dilution Type of service prepared therefrom is applied, such as ready to use solution, suspending agent, emulsion, pulvis, paste and particle Agent.Usual manner can be used, for example, applies them by pouring, spraying, be atomized or broadcast sowing.
The Herbicidal combinations of the present invention have the form for being more easy to use, because the amount of the component has been optimal Ratio.Additionally, the auxiliary agent in preparation can each other be adjusted and optimized.
Example of formulations
The cinosulfuron suspending agent of 1 1% promazine Sulfometuron Methyl of embodiment+4%
The each components such as active component, dispersant, wetting agent and water are well mixed according to the ratio of formula, Jing The suspending agent of the cinosulfuron of 1% promazine Sulfometuron Methyl+4% is obtained after grinding and/or high speed shear.
The cinosulfuron wettable powder of 2 30% promazine Sulfometuron Methyl of embodiment+20%
Active component, various auxiliary agents and filler etc. are mixed by the proportional components of formula, Jing ultrafine crusher powder After broken, that is, obtain the wettable powder of the cinosulfuron of 30% promazine Sulfometuron Methyl+20%.
The cinosulfuron wettable powder of 3 2% promazine Sulfometuron Methyl of embodiment+8%
Active component, various auxiliary agents and filler etc. are mixed by the proportional components of formula, Jing ultrafine crusher powder After broken, that is, obtain the wettable powder of the cinosulfuron of 2% promazine Sulfometuron Methyl+8%.
The cinosulfuron water dispersible granules of 4 10% promazine Sulfometuron Methyl of embodiment+10%
Active component, dispersant, wetting agent, disintegrant and filler are well mixed in the ratio of formula, Jing Air-flow crushing is crossed into wettable powder, a certain amount of water mixing extruding is added and is made material.After drying screening To the water dispersible granules of the cinosulfuron of 10% promazine Sulfometuron Methyl+10%.
The cinosulfuron missible oil of 5 10% promazine Sulfometuron Methyl of embodiment+2%
Mentioned component is proportionally prepared, homogeneous phase is uniformly mixing to obtain, 10% promazine Sulfometuron Methyl is obtained The missible oil of+2% cinosulfuron.
The cinosulfuron suspension emulsion of 6 50% promazine Sulfometuron Methyl of embodiment+10%
By promazine Sulfometuron Methyl, methyl naphthalene sulfonate formaldehyde condensate, water is ground and/or high speed shear after obtain Promazine Sulfometuron Methyl suspending agent;Cinosulfuron, 1-METHYLPYRROLIDONE, ethoxylated castor oil are mixed equal The even missible oil for obtaining cinosulfuron;The cinosulfuron missible oil for obtaining is added in promazine Sulfometuron Methyl suspending agent, is obtained The suspension emulsion of the cinosulfuron of 50% promazine Sulfometuron Methyl+10%.
The cinosulfuron wettable powder of 7 20% promazine Sulfometuron Methyl of embodiment+1%
Said components are mixed in proportion, and ground, crushed, be prepared into the ether sulphur of 20% promazine Sulfometuron Methyl+1% Grand wettable powder.
The cinosulfuron water dispersible granules of 8 60% promazine Sulfometuron Methyl of embodiment+10%
By promazine Sulfometuron Methyl, cinosulfuron active component, dispersant, wetting agent, disintegrant and filler by formula Ratio be well mixed, through air-flow crushing into wettable powder;Add a certain amount of water mixing extruding to make Material.The water dispersible granules of the cinosulfuron of 60% promazine Sulfometuron Methyl+10% are obtained after drying screening.
The cinosulfuron aqueous emulsion of 9 0.5% promazine Sulfometuron Methyl of embodiment+0.5%
Oil phase:
Promazine Sulfometuron Methyl, cinosulfuron are dissolved in methyl oleate, add ethoxylated castor oil to obtain oil phase; According to formula by the sodium salt of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation, water, it is well mixed and obtains water phase;Stirring Mix the lower aqueous emulsion for adding water mutually to obtain the cinosulfuron of 0.5% promazine Sulfometuron Methyl+0.5% oil phase.
The cinosulfuron wettable powder of 10 1% promazine Sulfometuron Methyl of embodiment+50%
Said components are mixed in proportion, and ground, crushed, be prepared into the ether sulphur of 1% promazine Sulfometuron Methyl+50% Grand wettable powder.
The cinosulfuron granule of 11 50% promazine Sulfometuron Methyl of embodiment+40%
In a mixer, by levigate active component even spread to the carrier soaked by polyethylene glycol.With This mode can obtain the granule of the cinosulfuron of 50% promazine Sulfometuron Methyl+40%.
The cinosulfuron wettable powder of 12 30% promazine Sulfometuron Methyl of embodiment+10%
Said components are mixed in proportion, and ground, crushed, be prepared into the ether sulphur of 30% promazine Sulfometuron Methyl+10% Grand wettable powder.
The cinosulfuron of 13 40% promazine Sulfometuron Methyl of embodiment+40% extrudes granule
Active component is mixed with auxiliary agent and ground, mixture water-wet.The mixture is extruded, then It is dried in the air stream, the extrusion granule of the cinosulfuron of 40% promazine Sulfometuron Methyl+40% is obtained.
The cinosulfuron seed coat agent of 14 5% promazine Sulfometuron Methyl of embodiment+0.5%
Above-mentioned each component is mixed in proportion, and Jing sand millings, it is prepared into the ether of 5% promazine Sulfometuron Methyl+0.5% The seed coat agent of sulphur.
The cinosulfuron microcapsule suspension-suspendinagent agent of 15 20% promazine Sulfometuron Methyl of embodiment+10%
The oil phase that PAPI, cinosulfuron, SOLVESSOTM 100 are formed adds PE/64 containing Synperonic The aqueous solution in, formed emulsion.Then heat and be incubated and add catalyst reaction 2 hours at 50 DEG C. The microcapsules of cinosulfuron is obtained after cooling.
Synperonic PE/64, dispersant LFH, defoamer, urea, promazine Sulfometuron Methyl and water are mixed in proportion Close uniform, and Jing sand millings, it is prepared into suspending agent.
The cinosulfuron microcapsules for obtaining is added in the suspending agent of promazine Sulfometuron Methyl, 20% the third are uniformly mixing to obtain The microcapsule suspension-suspendinagent agent of the cinosulfuron of piperazine Sulfometuron Methyl+10%.
The cinosulfuron suspension emulsion of 16 5% promazine Sulfometuron Methyl of embodiment+1%
Cinosulfuron is dissolved in SOLVESSOTM 200, ethoxylated castor oil is added, cinosulfuron is obtained Missible oil;
By promazine Sulfometuron Methyl, AEO sulfosuccinic acid monoesters disodium, above-mentioned each component press than Example is well mixed, and Jing sand millings, is prepared into suspension emulsion.
The oil phase of cinosulfuron-containing is added in the suspending agent of Sulfometuron Methyl containing promazine, 5% promazine Sulfometuron Methyl+1% is obtained The suspension emulsion of cinosulfuron.
The cinosulfuron missible oil of 17 1% promazine Sulfometuron Methyl of embodiment+20%
The mixing of above-mentioned each component is stirred to transparent homogeneous phase is obtained, the ether of 1% promazine Sulfometuron Methyl+20% is obtained The grand missible oil of sulphur.
The cinosulfuron of 18 70% promazine Sulfometuron Methyl of embodiment+30%
Promazine Sulfometuron Methyl 70%
Cinosulfuron 30%
Promazine Sulfometuron Methyl, cinosulfuron are proportionally well mixed.
The isoxadifen of+20% cinosulfuron of 19 40% promazine Sulfometuron Methyl of embodiment+40%
Promazine Sulfometuron Methyl 40%
Cinosulfuron 20%
Isoxadifen 40%
Promazine Sulfometuron Methyl, cinosulfuron, isoxadifen are proportionally well mixed.
The cinosulfuron of 20 40% promazine Sulfometuron Methyl of embodiment+60%
Promazine Sulfometuron Methyl 40%
Cinosulfuron 60%
Promazine Sulfometuron Methyl, cinosulfuron are proportionally well mixed.
The cinosulfuron wettable powder of 21 40% promazine Sulfometuron Methyl of embodiment+20%
Promazine Sulfometuron Methyl 40%
Cinosulfuron 20%
White Carbon black 40%
Promazine Sulfometuron Methyl, cinosulfuron, White Carbon black are proportionally well mixed.
The cloquitocet_mexyl of+40% cinosulfuron of 22 20% promazine Sulfometuron Methyl of embodiment+40%
Promazine Sulfometuron Methyl 20%
Cinosulfuron 40%
Cloquitocet_mexyl 40%
Promazine Sulfometuron Methyl, cinosulfuron, cloquitocet_mexyl are proportionally well mixed.
Biological Examples
Pre-emergence test:
Under greenhouse experiment, test plant is seeded in seedling alms bowl.Using standard soil as cultivation matrix. In the bud last stage, herbicide individually or is in combination administered to into soil surface.Consumption is depended in field Between or greenhouse experiment under determined by optium concentration.In the test of post-evaluation in 2~4 weeks, (100% effect=plant is complete It is complete dead;0% effect=plant-less toxicity is acted on).The combination table of promazine Sulfometuron Methyl and cinosulfuron in this test Reveal than more preferable preventive effect is administered alone, show obvious synergistic effect.
When the Herbicidal combinations of the present invention before rudiment when applying, weeds can be entirely prevented to emerge or weed growth Then stop growing to cotyledon period and completely dead after 3~4 weeks.
After seedling is tested:
Using potted plant cauline leaf process method (NY/T 1155.4-2006):In high 6cm, the polypots of diameter 9cm Dress quantitative soil, by 15~20 sowings of seed of unifacial leaf and dicots weeds in polypots, lid It is placed on after 0.5~1cm thick fine earth in greenhouse and cultivates, treats that weeds length carries out cauline leaf spraying treatment to 2~4 leaf phases, Per alms bowl spraying liquid 1mL, often process and be repeated 4 times, and set the process without medicament as control.It is placed in after process Cultivate in greenhouse, the growing state of routine observation target weeds, target damage symptoms and growth are estimated after 21d Suppression situation, and claim aerial part fresh weight or strain fresh weight, medicament is evaluated with target fresh weight inhibition miscellaneous to target The toxicity action of grass.
Three kinds of reagents are prepared according to constant weight percentage:1st, promazine Sulfometuron Methyl;2nd, cinosulfuron;3rd, promazine Sulfometuron Methyl+cinosulfuron.Afterwards by above-mentioned each reagent dilute with water, medicament dilution is obtained.
Investigation method:
Target damage symptoms and growth inhibition situation are estimated after test process 21d, and claim aerial part fresh weight, Calculate fresh weight inhibition (%).
Evaluation to the mixed synergistic effect for applying middle display of two or more herbicidal active components is based on “CalculationSynergistic and Antagonistic Response of Herbicide Combinations” What Colby ' the s methods described in (Weeds 15/1 (1967), S.R.Colby) determined.
In formula, X is fresh weight inhibition of the promazine Sulfometuron Methyl with certain dosage when alone to target weeds.
Y is fresh weight inhibition of the cinosulfuron with certain dosage when alone to target weeds.
E0For promazine Sulfometuron Methyl and theory during two kinds of pharmacy mix of cinosulfuron to target weeds fresh weight inhibition Value.
E is promazine Sulfometuron Methyl and actual measurement during two kinds of pharmacy mix of cinosulfuron to target weeds fresh weight inhibition Value.
If the actual control of weeds rate (E) observed in biologic test exceedes uses Colby ' s methods Calculated desired value (E0), then it represents that the effect of Herbicidal combinations is more than the summation of each agent effectiveness, this Mean that composition has synergistic effect.
(grassy weed, broad-leaved are miscellaneous for the important noxious plant of following wide spectrum for the Herbicidal combinations of the present invention Grass, sedge weed) tested:Rice barnyard grass (Echinochloa oryzicola), lady's-grass (Digitaria spp.) are numerous (Stellaria media), Amaranthus retroflexus (Amaranthus retroflexus), volume stem smartweed (Fallopia (ex in detail Polygonum) Convolvulus), piemarker (Abuthilon theophrasti), the angustifolia arrowhead herb of anti-sulfonylureas (Sagittariatrifolia), rhizoma alismatis (Oriental Waterplantain Rhizome), the Monochoria vaginalis of anti-sulfonylureas (Herb of Pygmy Arrowhead), Monochoria korsakowii (Monochoria korsakowii), Procumbent Falsepimpernel (Lindernia procumbens), black nightshade (Solanum nigrum L.), firefly Lin (Scirpus juncoides Roxb), the difformed galingale herb (Cyperus difformis L.) of anti-sulfonylureas, lamb's-quarters (Chenopodium alum L.), Wild oat (Avena fatua L.), clearvers (Galium aparine L.var.tenerum Gren.et (Godr.) Rebb.), Veronica persica (Veronica persica).
Activity to rice barnyard grass
Activity to flat stalk sugarcane grass
The activity of the difformed galingale herb of antagonism sulfonylureas
Activity to Veronica persica
Result of the test shows:Promazine Sulfometuron Methyl and cinosulfuron are 1:100-100:In the range of 1, grass family is prevented and kill off Weeds, the broad leaved weed of anti-sulfonylureas, anti-sulfonylureas sedge weed show obvious synergistic effect, and it has Effect ensure that the preventing and treating of the weeds to the anti-sulfonylurea herbicide in current part, improve antagonism weed control Effect
Summary, the Herbicidal combinations of the present invention, activity when preventive effect is administered alone better than each component, medicine Its combination of effect verification experimental verification prevents and kill off the crop fields grass with synergistic effect, expansion control of weeds spectrum, a dispenser Section, broad leaved weed and sedge weed, reduce spraying times, reduce cost accounting, slow down Weed Resistance Produce, it is good to crop safety, meet the security requirement of pesticidal preparations.Can be used for rice field, corn, big Beans, cereal, sunflower, potato, peanut, the closing weeding of Cotton Fields before seedling or postemergence weed control.
Safety effect
Under greenhouse experiment, test plant rice paddy seed is planted in plastic tank, is grown in plastic tank The 5- leaf phases.The water yield in plastic tank is the growth of enough crops.In this stage, by single promazine Sulfometuron Methyl, The composition of cinosulfuron, promazine Sulfometuron Methyl+cinosulfuron, is administered to test plant.After applying 3 weeks, hundred are used Point rate measures the phytotoxicity for evaluating herbicide to crop.It is right to evaluate by the fresh weight inhibition for testing paddy rice The phytotoxicity of crop.100% represents that test plant is completely dead, and 0% represents plant-less toxicity effect.
As can be seen that the combination of promazine Sulfometuron Methyl and cinosulfuron, improves promazine Sulfometuron Methyl with crops Compatibility, reduces or prevents promazine Sulfometuron Methyl to plant with its useful crop for processing, useful crop Infringement caused by other reproductive parts of seed or useful crop, improves the safety to rice crop Property.
Applicant states that the present invention illustrates the process of the present invention, but the present invention by above-described embodiment Above-mentioned processing step is not limited to, that is, does not mean that the present invention has to rely on above-mentioned processing step and could implement. Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention, to former selected by the present invention The equivalence replacement of material and the addition of auxiliary element, the selection of concrete mode etc., all fall within the protection model of the present invention Within the scope of enclosing and disclosing.

Claims (12)

1. a kind of Herbicidal combinations, it is characterised in that its active component is active by the first active component and second Component is constituted, wherein the first active component is promazine Sulfometuron Methyl, the second active component is cinosulfuron;It is described The weight proportion of the first active component and the second active component is 1:100-100:1, preferably 1:50-50:1, Further preferred 1:20-20:1, further preferably 1:10-10:1, more preferably 1:5-5:1.
2. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations are also wrapped Include filler and/or surfactant.
3. Herbicidal combinations according to claim 1, it is characterised in that the agent of the Herbicidal combinations Type is wettable powder, missible oil, suspending agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, moisture Shot agent, ultra low volume liquids, tablet, low capacity dispersible granule, pill or microcapsules.
4. Herbicidal combinations according to claim 1, it is characterised in that first active component and The total amount of the second active component accounts for Herbicidal combinations 1%-90% by weight, preferred 1%-80%, enters The preferred 5%-70% of one step, still more preferably still further preferably 10%-65%, 15%-55%, most preferably 20%-50%.
5. purposes of the Herbicidal combinations according to claim 1 in undesirable plant growth is prevented and treated.
6. Herbicidal combinations according to claim 1 are in preventing and treating broad-leaved section weeds, sedge weed or standing grain Purposes in the undesirable plant growth of undergraduate course weeds.
7. Herbicidal combinations according to claim 1 preventing and treating wheat, corn and soybean, sugar beet, Sugarcane, cotton, paddy rice, beans, flax, barley, oat, rye, triticale, rape, potato, Broad-leaved section weeds, Cyperaceae in broomcorn millet, herbage, greenery patches or lawn, in the Zhong Huofei crop areas of planting fruit trees garden Purposes in weeds or the undesirable plant growth of grassy weed.
8. the method for the undesirable plant growth of a kind of preventing and treating, it is characterised in that methods described includes:(i) Before undesirable plant germination;(ii) after undesirable plant germination;Or (iii) at (i) and (ii) when, the Herbicidal combinations described in claim 1 are applied to into undesirable plant or its growth place.
9. the method for the undesirable plant of a kind of preventing and treating, it is characterised in that by the weeding described in claim 1 First active component and the second active component of composition collectively or individually be applied to undesirable plant or its Growth place.
10. the method for the undesirable plant growth of a kind of preventing and treating, it is characterised in that include claim 1 Other breedings of described Herbicidal combinations in the plant, the seed of useful crop or useful crop of useful crop Apply in the presence of part.
A kind of 11. methods for preventing and treating undesirable plant growth, it is characterised in that including the plant that would not want to Thing or its growth place contact with the Herbicidal combinations described in the claim 1 of herbicidally effective amount or apply in water With the Herbicidal combinations described in the claim 1 of herbicidally effective amount.
A kind of 12. reductions prevent promazine Sulfometuron Methyl to the plant with its useful crop for processing, useful crop Seed or useful crop other reproductive parts caused by infringement method, it is characterised in that include use Herbicidal combinations described in claim 1 process the plant of useful plant, the seed of useful crop or have and are used as Other reproductive parts of thing.
CN201510672416.2A 2015-10-16 2015-10-16 Weeding composition Pending CN106577712A (en)

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