CN106172457A

CN106172457A - A kind of Herbicidal combinations and the method controlling plant strain growth

Info

Publication number: CN106172457A
Application number: CN201510357936.4A
Authority: CN
Inventors: 詹姆士·堤姆斯·布里斯拖
Original assignee: Jiangsu Rotam Chemical Co Ltd
Current assignee: Jiangsu Rotam Chemical Co Ltd
Priority date: 2015-01-19
Filing date: 2015-06-25
Publication date: 2016-12-07
Also published as: GB2534230B; WO2016115883A1; TW201626893A; PH12017501291B1; GB201500872D0; CO2017008049A2; GB2534230A; TWI677286B; PH12017501291A1

Abstract

Thering is provided a kind of herbicidal composition, said composition comprises component (A) and (B), and wherein component (A) is compound promazine Sulfometuron Methyl, and its molecule formula (I) is:Component (B) is compound penoxsuam, and its molecule formula (II) is:

Description

A kind of Herbicidal combinations and the method controlling plant strain growth

The present invention relates to Herbicidal combinations.The invention still further relates to a kind of prevention and control the side of undesired plant growth Method.

Weeds in paddy field kind is a lot, and paddy field weeding is a great problem in Rice Production.Chemical method is always The Main Means of prevention and control weeds in paddy field.But in recent years, many weed species create drug resistance to herbicide, The Herbicidal mixtures of particularly long-term dispenser and use single-activity composition causes this phenomenon more prominent.

Additionally, in same rice field different types of weeds, such as grassy weed, broad leaved weed, dried tuber Mixed raw.Owing to the herbicidal spectrum of active component single in Herbicidal mixture has limitation so that single-activity composition Herbicidal mixtures possibly cannot remove all of weeds in dispenser target rice field.

Sulfonylurea herbicide is selectivity inner-adsorption conduction-type herbicide, can be absorbed by weeds root and blade, Conduct rapidly in plant body, suppression cell division and growth.After susceptible weeds absorbs sulfonylurea herbicide, Plumelet and root stop growing rapidly, and tender tissue turns to be yellow, the most withered.But sulfonylurea herbicide is in application Present in process, a difficult problem is it to the toxicity of favourable plant and weeds to sulfonylurea herbicide drug resistance Development.

It is therefore desirable to research and develop the herbicidal composition of a kind of improvement, especially it is able to control current known group Compound and preparation are difficult to multiple weeds or certain the class weeds prevented and treated.Can disposably or point be applied to crop several times The compositions in particularly rice field, field is useful.

Promazine Sulfometuron Methyl (Propyrisulfuron) is by SUMITOMO CHEMICAL chemistry (Sumitomo Chemical) exploitation Known pyrimidine radicals sulfonylurea herbicide, be mainly used in prevention and control grassy weed (such as barnyard grass) And broad leaved weed, can be widely used for rice field.Although the consumption of required promazine Sulfometuron Methyl is low, it can be very effectively Prevention and the control weeds to sulfonylurea herbicide being produced known to some drug resistance.

Promazine Sulfometuron Methyl, molecular formula is C₁₆H₁₈O₅N₇SCl, its chemical constitution is shown below:

Penoxsuam is that the Miao Houyong developed by LG-DOW Nong Ke company (Dow AgroSciences) removes Grass agent.Penoxsuam belongs to triazolopyrimidine sulfonamide compound, is a kind of acetolactate synthase inhibitor. Penoxsuam is via plant leaf blade, taper and root absorption, and conduction is to separate living tissue.At penoxsuam Reason causes cell division and subsequent growth in processed plant to stop, yellow and death.Penoxsuam is used In prevention and control corn field annual grassy weeds, to barnyard grass specially good effect, but to part grassy weed, dried tuber and Broad leaved weed is the most effective.

Penoxsuam (Penoxsulam), chemical name is 3-(2,2-difluoroethoxy)-N-(5,8-dimethoxies Base-[1,2,4] triazol [1,5-C] pyrimidine-2-base)-α, α, α-fluoroform phenyl-2-sulfonamide, its structural formula is:

Have now found that by being combined promazine Sulfometuron Methyl and penoxsuam realizing very favorable Weeds distribution with desired level.The combination of promazine Sulfometuron Methyl and penoxsuam can effectively control multiclass and be harmful to Plant, even includes known Herbicidal combinations some weeds unmanageable.

It was surprisingly found that compared with being used alone, use promazine Sulfometuron Methyl and penoxsuam energy simultaneously Significantly reduce rate of application, and there is efficient herbicidal efficacy.It is to say, use promazine Sulfometuron Methyl and five simultaneously Penoxsulam can produce synergistic function, and before this and inexpectancy or expect promazine Sulfometuron Methyl and penoxsulam Synergistic function can be produced between amine.Therefore, this finds to strengthen making of promazine Sulfometuron Methyl and penoxsuam By effect and reduce cost.

Promazine Sulfometuron Methyl and penoxsuam can be prepared as single compositions and make in single compositions simultaneously With.It addition, promazine Sulfometuron Methyl can also be applied to dispenser point with penoxsuam together with single compositions Upper control is harmful to the growth of plant.

It is an aspect of the invention to provide a kind of Herbicidal combinations, comprise component (A) and (B), wherein component (A) it is the compound promazine Sulfometuron Methyl with structure formula (I):

Component (B) is the compound penoxsuam with structure formula (II):

Compositions can exist the control that any proper amount of component (A) provides the plant strain growth of needs with (B) System.Preferred ingredient (A) and (B) amount in the composition can produce above-mentioned synergistic function.In compositions The weight ratio preferably about 100: 1 of component (A) and (B) is to about 1:100.More preferably component (A) and (B) Weight ratio be about 50: 1 to about 1: 50, more preferably component (A) is about 25: 1 to about with the weight ratio of (B) 1: 25, more preferably weight ratio is about 10: 1 to about 1: 10.In the embodiment of many said compositions, Component (A) is about 5: 1 to about 1: 5 with the weight ratio of (B).

Compositions can exist be adapted to provide for the required any accumulated dose controlled of plant strain growth component (A) and (B).In described Herbicidal combinations, the total amount of preferred ingredient (A) and (B) accounts for about 5 weights of described Herbicidal combinations Amount %-about 90 weight %, more preferably accounts for described Herbicidal combinations about 10 weight %-about 80 weight %, further preferably accounts for Described Herbicidal combinations about 20 weight %-about 60 weight %, further preferably accounts for described Herbicidal combinations about 30 weight %-50 weight %.

Herbicidal combinations of the present invention can be configured to multiple dosage form.Such as, described compositions can be configured to wettable Property powder (WP), cream (EC), suspending agent (SC), microcapsule suspending agent (CS), microemulsion (ME), Emulsion, such as aqueous emulsion (EW), or suspension emulsion (SE), water dispersible granules (WDG), ultra-low volume Liquor (ULV), or mix preparation, such as microcapsule suspending agent and the mix preparation of suspending agent (ZC).

Above-mentioned preparation can be prepared by existing method known in this field, including by active component and other components Mixing, other components described such as one or more filleies, one or more surfactants, Yi Zhonghuo Multiple dispersant and one or more carriers.

When using water as filler, available organic solvent helps to dissolve the component in preparation.Suitable solvent bag Include aromatic solvent, such as dimethylbenzene, toluene or alkylnaphthalene；Chlorine aromatic hydrocarbons and aliphatic chlorinated hydrocarbons, such as chlorobenzene, chloroethene Alkene or dichloromethane；Aliphatic hydrocarbon, such as hexamethylene or paraffin, mineral oil fractions, mineral oil and vegetable oil；Alcohol Class, such as butanol or ethylene glycol and ether thereof and ester；Ketone, as acetone, methyl ethyl ketone, methyl iso-butyl ketone (MIBK) or Ketohexamethylene；Polar solvent, such as dimethylformamide and dimethyl sulfoxide and water.

Suitably carrier includes the natural minerals of ammonium salt and grinding, such as Kaolin, clay, Talcum, Chalk, Quartz, Attagel, montmorillonite or kieselguhr；And the titanium dioxide of the synthetic mineral ground, such as high degree of dispersion Silicon, aluminium oxide and silicate.Suitably solid particulate carrier includes the natural mineral matter ground, as calcite, Marble, Pumex, meerschaum and dolomite, and inorganic and organic dust synthesis granule, and organic material Material granule, such as sawdust, Exocarpium cocois (Cocos nucifera L), maize cob and tabacco straw.

Suitably surfactant includes nonionic and anion emulsifier, such as polyoxyethylene fatty acid ester, gathers Oxygen ethylene fatty alcohol ether, alkylaryl polyglycol ether, alkylsulfonate, alkyl sulfate, aryl sulfonic acid Salt, and protein hydrolysate.

Suitably dispersant includes lignin-sulfite and methylcellulose.

Compositions can comprise viscosifier, such as carboxymethyl cellulose；Powdery, granular or latex shape natural And the polymer of synthesis, such as Radix Acaciae senegalis, polyvinyl alcohol and polyvinyl acetate, and natural phospholipid, Such as cephalin and lecithin, and synthetic phospholipid.

Other the possible additives that can add in said composition include mineral oil and vegetable oil.

Preparation can comprise coloring agent, such as inorganic pigment, such as ferrum oxide, titanium oxide and Prussian blue； Toner, such as alizarin coloring agent, azo colouring agent and metal phthalocyanine coloring agent.

Compositions also can comprise one or more micronutrients, as iron salt, manganese salt and boron, copper, cobalt, Molybdenum and zinc salt.

The content of component (A) and (B) accounts for about 5 weight % to about 90 weight % of Herbicidal combinations, and preferably from about 10 Weight % is to about 80 weight %, even more preferably about 20 weight % to about 60 weight %, more preferably still about 30 weight % To 50 weight %.

This Herbicidal combinations can control, and the most anti-multiclass is harmful to the growth of plant or weeds, including list Cotyledon and broadleaf weed.

Described Herbicidal combinations may be used for controlling the undesirable plant growing in various crop, described crop Including Semen Tritici aestivi, corn and soybean, sugar beet, Caulis Sacchari sinensis, Cotton Gossypii, Oryza sativa L., beans, Caulis et Folium Lini, Fructus Hordei Vulgaris, Herba bromi japonici, rye (Secale cereale L.), black Semen Tritici aestivi, Brassica campestris L, Rhizoma Solani tuber osi and Semen setariae, and be used for controlling plant and give birth to elsewhere Long, as in pasture, greenery patches or lawn, Zhong Huofei crop area, fruit plantation.

It has been found that the compositions comprising component (A) promazine Sulfometuron Methyl and (B) penoxsuam demonstrates not The potentiation expected, i.e. synergistic function.Its activity observed is significantly stronger than and activity one-tenth is administered alone Divide (A) and the situation of (B).

When preparing Herbicidal combinations, except comprising active component (A) and (B) in the Herbicidal combinations of the present invention, One or more components as known in the art can also be comprised, as one or more filleies and/or a kind of or Kinds of surface activating agent.

Herbicidal combinations of the present invention can also comprise one or more other different from component (A) and (B) remove Grass reactive compound.Additionally, Herbicidal combinations of the present invention can also comprise one or more selected from safener, Antifungal, insecticide, acaricide, nematicide, bird dispelling liquid, soil conditioner, plant nutrient agent (are changed Fertile) and herbicide (being different from component (A) and (B)), and the compound of plant growth regulator.

Other one or more reactive compounds existed the most in the composition are selected from Acetochlor (acetochlor), my acid benzene (acibenzolar), diazosulfide (acibenzolar-S-methyl), three Acifluorfen (acifluorfen), aclonifen (aclonifen), alachlor (alachlor), allidochlor (allidochlor), alloxydimsodium (alloxydim), ametryn (ametryn), amicarbazone (amicarbazone), Amidosulfuron (amidosulfuron), chlorine Fampridine acid (aminopyralid), Amrol (amitrole), amino The spirit of ichthyodin (ammonium sulfamate), ancymidol (ancymidol), anilofos (anilofos), sulphur grass (asulam), atrazine (atrazine), azafenidin (azafenidin), azimsulfuron (azimsulfuron), Benfuresate (benfuresate), bensulfuron-methyl (bensulfuron), bentazone (bentazone), benzfendizone (benzfendizone), benzobicylon (benzobicyclon), benzofenap (benzofenap), fluorine sulfanilamide grass (benzofluor), fluorine benzofenap (bicyclopyrone), bispyribac-sodium (bispyribac-sodium), Brominal (bromoxynil), butachlor (butachlor), butafenacil (butafenacil), butralin (butralin), Cafenstrole (cafenstrole), carbetamide (carbetamide), carfentrazone (carfentrazone), chlorimuronethyl (chlorimuron, chlorimuron-ethyl), chlorocholine chloride (chlormequat chloride), chlortoluron (chlorotoluron), chlorine sulphur grand (chlorsulfuron), cinmethylin (cinmethylin), cinosulfuron (cinosulfuron), clethodim (clethodim), different grass pine (clomazone), clomeprop (clomeprop), clopyralid (clopyralid), cyanazine (cyanazine), cyclanilide (cyclanilide), AC322140 (cyclosulfamuron), cycloxydim (cycloxydim), ring cafenstrole (cyprazole), daimuron (daimuron/dymron), Mediben (dicamba), diclofop-methyl (diclofop-methyl), essence diclofop-methyl (diclofop-P-methyl), diclosulam (diclosulam), acetyl Alachlor (diethatyl, diethatyl-ethyl), diflufenican (diflufenican), diflufenzopyr (diflufenzopyr, diflufenzopyr-sodium), azoles grand (dimefuron), dimepiperate (dimepiperate), Dimethachlor (dimethachlor), dimethametryn (dimethametryn), diphenamide (diphenamid), Dipropetryn (dipropetryn), diquat dibromide (diquat), diuron (diuron), ethametsulfuron (ethametsulfuron, Ethametsulfuron-methyl), ethephon (ethephon), ethidimuron (ethidimuron), ethoxysulfuron (ethoxysulfuron), ethobenzanid (etobenzanid), azoles diclofop-methyl (fenoxaprop), essence azoles Diclofop-methyl (fenoxaprop-P), azoles diclofop-methyl (fenoxaprop-ethyl), fentrazamide (fentrazamide), flazasulfuron (flazasulfuron), florasulam (florasulam), fluazifop (fluazifop), efficient fluazifop (fluazifop-P), fluazifop-P-butyl (fluazifop-butyl), essence pyrrole Fluorine diclofop-methyl 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), fluometuron (fluometuron), fluorodifen (fluorodifen), fluoroglycofen-ethyl (fluoroglycofen, fluoroglycofen-ethyl), flupoxam (flupoxam), flupyrsulfuron-methyl-sodium (flupyrsulfuron), fluridone (fluridone), fluorochloridone (flurochloridone), fluroxypyr (fluroxypyr), flurtamone (flurtamone), thiazole oxamide (fluthiamide), fomesafen (fomesafen), Glufosinate (glufosinate, Glufosinate-ammonium), Glufosinate-P (glufosinate-P, glufosinate-P-ammonium), grass Ammonium phosphorus-P-sodium salt (glufosinate-P-sodium), glyphosate (glyphosate), glyphosate-isopropylammonium (glyphosate-isopropylammonium), fluorine nitre sulfonamide (halosafen), halosulfuronmethyl (halosulfuron, halosulfuron-methyl), fluazifop-butyl (haloxyfop), essence fluazifop-butyl (haloxyfop-P), fluorine pyrrole second standing grain spirit (haloxyfop-ethoxyethyl), essence 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), first miaow Azoles nicotinic acid (imazapic), imazapyr (imazapyr, imazapyr-isopropylammonium), imidazoles quinoline Quinoline acid (imazaquin, imazaquin-ammonium), imazethapyr (imazethapyr, Imazethapyr-ammonium), imazosulfuron (imazosulfuron), inabenfide (inabenfide), indenes Oxadiazon (indanofan), iodine metsulfuron-methyl (iodosulfuron, iodosulfuron-methyl-sodium), ioxynil (ioxynil), isoproturon (isoproturon), different acyl grass amine (isoxaben), different chlorine oxadiazon (isoxachlortole), isoxazole oxadiazon (isoxaflutole), different grass ether (isoxapyrifop), breast fluorine dogstail Spirit (lactofen), lenacil (lenacil), 2 methyl 4 chlorophenoxyacetic acid (MCPA), 2-first-4-chlorophenoxy Butanoic acid (MCPB), 2-first-4-chlorophenoxy methyl butyrate (MCPB-methyl), 2-first-4-chlorophenoxy butanoic acid Ethyl ester (MCPB-ethyl), 2-first-4-chlorophenoxy sodium butyrate (MCPB-sodium), mefenacet (mefenacet), chlorine sulphonyl grass amine (mefluidide), methyl piperidine (mepiquat-chloride), mesosulfuronmethyl (mesosulfuron, mesosulfuron-methyl), mesotrione (mesotrione), methabenzthiazuron (methabenzthiazuron), azoles acyl grass amine (metamifop), metamitron (metamitron), metazachlor (metazachlor), methazole (methazole), Sulfonylurea (methiopyrsulfuron), methoxyphenone (methoxyphenone), methyldymron (methyldymron), isopropyl methoxalamine (metolachlor), essence Isopropyl methoxalamine (S-metolachlor), metosulam (metosulam), metoxuron (metoxuron), piperazine grass Ketone (metribuzin), metsulfuron-methyl (metsulfuron, metsulfuron-methyl), molinate (molinate), Monosulfmeturon (monosulfuron), monosulfmeturon ester (monosulfuron ester), 1,1-dimethyl-3-(p-chlorophenyl)urea (monuron), Napropamide (napropamide), nicosulfuron (nicosulfuron), Oxadiargyl (oxadiargyl), grass Ketone (oxadiazon), oxasulfuron (oxasulfuron), metribuzin (oxaziclomefone), ethoxy fluorine grass Ether (oxyfluorfen), paclobutrazol (paclobutrazol), N,N'-dimethyl-.gamma..gamma.'-dipyridylium (paraquat, paraquat dichloride), Pendimethalin (pendimethalin), ring penta oxadiazon (pentoxazone), pethoxamid (pethoxamid), ammonia Chloropyridine acid (picloram), fluorine pyrrole acyl grass amine (picolinafen), pinoxaden (pinoxaden), piperophos (piperophos), pretilachlor (pretilachlor), probenazole (probenazole), profluazol (profluazol), profluralin (prifluraline), clefoxidim (profoxydim), prometryn (prometryn), Stam F-34 (propanil), propazine (propazine), N-phenyl isopropyl carbamate (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), pyrimidine oxime grass Ether (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), Quizalotop-ethyl ethyl ester (quizalofop-P-ethyl), rimsulfuron (rimsulfuron), benzene Flumetsulam (saflufenacil), Zhong Dingtong (secbumeton), sethoxydim (sethoxydim), Tupersan (siduron), sulphur oxadiazon (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), trefanocide (trifluralin), triflusulfuronmethyl (triflusulfuron), triflusulfuronmethyl methyl ester (triflusulfuron-methyl), trimeturon (trimeturon), anti-fall Ester (trinexapac, trinexapac-ethyl), tritosulfuron (tritosulfuron), tsitodef and uniconazole P (uniconazole)。

Although the combination of component (A) promazine Sulfometuron Methyl and (B) penoxsuam shows high selection to numerous plant Property so that it is can be used to protect some crops, but reactive compound may have plant to some crops Toxicity, especially when other herbicides that reactive compound and selectivity are lower mix.Therefore, preferably exist The present composition adds one or more safeners.Safener is that phytotoxicity pair is reduced or eliminated The compound of the impact of Important Economic crops.Important industrial crops include that corn is (Semen Tritici aestivi, Fructus Hordei Vulgaris, black Wheat, Herba bromi japonici, Semen Maydis, rice and Semen setariae), Radix Betae, Caulis Sacchari sinensis, Brassica campestris L, Cotton Gossypii and Semen sojae atricolor, preferably corn, Further preferably rice.

Suitably safener includes benoxacor (benoxacor), cloquintocetmexyl (cloquintocet (-mexyl)), solves grass Amine nitrile (cyometrinil), cyclopropyl-sulfonylamide (cyprosulfamide), allyl dichloride amine (dichlormid), dicyclo Grand (dicyclonon), O-phenyl phosphoric acid O, O-diethyl ester (dietholate), fenchlorazole (fenchlorazole (-ethyl)), fenclorim (fenclorim), flurazole (flurazole), fluxofenim (fluxofenim), furilazole (furilazole), isoxadifen (isoxadifen (-ethyl)), pyrazoles solution grass Ester (mefenpyr (-diethyl)), methyl carbamic acid 4-chlorphenyl ester (methyl carbamate 4-mephenate), naphthalic anhydride and oxabetrinil (oxabetrinil).Described safener can be this field Middle one or more possible stereoisomers, esters or salt conventional when preparing Herbicidal combinations preparation.

The weight ratio of herbicidal active component and safener can be determined by normal experiment, and this depends on herbicide Rate of application and the factor such as safener efficiency.The compound of tool activity of weeding is variable with the weight ratio of safener Change scope is relatively big, and typically about 90000:1 to about 1:5000, preferably from about 7000:1 is to about 1:1600, more excellent Elect about 3000:1 as to about 1:500, more preferably still about 1:100 to about 20:1.

One or more safeners can be mixed with component (A) and (B) with the form of single dose, or with bucket mixture Form is used together with Herbicidal combinations and uses.

The existing known method in this area can be used to prepare the Herbicidal combinations of the present invention, will single group (A) and (B) (if applicable) is divided to be mixed to form mixed with other reactive compounds, additive and/or auxiliary agent Close preparation, by traditional method, said preparation is diluted the most before administration.Furthermore it is possible to difference formulation components (A) (B) type preparation is mixed forming bucket.

Herbicidal composition of the present invention has efficiently, the activity of weeding of wide spectrum, can control unifacial leaf and dicotyledonous Industrial crops, including controlling broad leaved weed, grassy weed and dried tuber, and to weeding active compound (as Glyphosate, glufosinate-ammonium, atrazine, imidazolone and sulfonylurea herbicide) there is the kind of drug resistance.

Herbicidal composition of the present invention can be used for controlling unifacial leaf and dicotyledonous plant.Target monocotyledon weed bag Include Echinochloa (Echinochloa spp.), Panicum (Panicum spp.), Poa L. (Poa spp), Sprangletop (Leptochloa spp.), Brachiaria (Brachiaria spp.), knotgrass (Digitaria spp.), setaria (Setaria spp.), dried tuber (Cyperus), Herba sagittariae pygmaeae belong to (Monochoria spp.), Herba Fimbristylis dichotomae (Fimbristylis), Sagittaria (Sagittaria spp.), Eleocharis (Eleocharis spp.), grass belong to (Scirpus spp.), Waterplantain (Alisma spp.), water leaf spp (Aneilema spp.), water screening spp (Blyxa spp.), eriocaulon buergerianum (Eriocaulon spp.) and Potamogeton (Potamogeton spp.), as barnyard grass (Echinochloa oryzicola), Herba sagittariae pygmaeae (Monochoria vaginalis), Herba Eleocharitis acicularis (Eleocharis acicularis), Eleocharis (Eleocharis Kuroguwai), Herba Cyperi Difformis (Cyperus difformis), dried tuber (Cyperus serotinus), short Rhizoma sagittariae sagittifoliae (Sagittaria pygmaea), alisma canaliculatum (Alisma canaliculatum) and firefly Lin (Scirpus juncoides). Target broadleaf weed includes belonging on Polygonum (Polygonum spp.), joint joint Lepidium (Rotala spp.), footpath between fields (Lindernia spp.), Bidens (Bidens spp.), cusp Pittosporum (Sphenoclea spp.), snake eye belong to (Dopatrium spp.), Fructus seu radix camptothecae acuminatae (Fructus Camptothecae Acuminatae) belong to (Eclipta spp.), the numerous genus of ditch (Elatine spp.), Gratiola (Gratiola Spp.), on footpath between fields belong to (Lindernia spp.), Genus Syringa (Ludwigia spp.), Oenanthe (Oenanthe spp.), Ranunculus (Ranunculus spp.) and pool chilly belong to (Deinostema spp.), such as mexicana (Rotala Indica), cusp flower (Sphenoclea zeylanica), Lindernia procumbens (Krock.) Phillcox. (Lindernia procumbens), Flos Caryophylli are crawled Crawl (Ludwigia prostrate), Herba potamogetonis distincti (Potamogeton distinctus), the three numerous (Elatine of medicine ditch And Herba Oenanthes Javanicae (Oenanthe javanica) triandra).

The invention still further relates to one and use component (A) promazine Sulfometuron Methyl and (B) penoxsuam at dispenser point Method that is anti-and that control harmful plant.

Therefore, another aspect of the present invention provides a kind of method in dispenser point control plant growing, the method Being included in dispenser point and use component (A) and (B), wherein component (A) is compound promazine Sulfometuron Methyl, its structural formula For (I):

Wherein component (B) is compound penoxsuam, and its structural formula is (II):

When component (A) promazine Sulfometuron Methyl and (B) penoxsuam are used jointly, there is synergistic function. Synergism be can be observed when jointly or the most simultaneously using component (A) and (B).

Component (A) and (B) can be applied on dispenser point before target plant is germinateed and/or after germinateing.Component (A) (B) can use the germination early stage, mid-term or the late period that need the target plant controlled.Component (A) promazine Sulfometuron Methyl and (B) penoxsuam by planting front or can sow plant or the plant raw materials such as pre-treatment seed It is applied to dispenser point.

Before target plant rudiment, preferably use component (A) promazine Sulfometuron Methyl and (B) penoxsuam prevents having Evil plant strain growth.

Can simultaneously and/or use component (A) and (B) respectively.The most simultaneously or almost simultaneously use, more preferably Use simultaneously.In a preferred embodiment, component (A) and (B) are compositions sides as described above Formula is used.

Component (A) promazine Sulfometuron Methyl and (B) penoxsuam can be used in the range of certain weight ratio.Suitably Weight ratio is as mentioned previously.Therefore, the weight ratio of component (A) and (B) is about 100:1 to about 1:100. The weight ratio of preferred ingredient (A) and (B) is about 50:1 to about 1:50, even more preferably about 25:1 to about 1:25, More preferably still about 10:1 is to about 1:10, more preferably still about 5:1 to about 1:5.

As described above, when being used together reactive compound promazine Sulfometuron Methyl and penoxsuam, may subtract Few rate of application, can improve or at least keep the drug effect of reactive compound simultaneously.Use component (A) promazine Sulfometuron Methyl (B) combination of penoxsuam can also control not protected plant species, to single one or more herbicide tool There is the plant species of drug resistance or one or more herbicides are produced the plant species of drug resistance.It addition, make The dispenser phase can be extended with the combination of component (A) promazine Sulfometuron Methyl He (B) penoxsuam and/or reduce dispenser Time.

The rate of application of component (A) promazine Sulfometuron Methyl can change in a big way, and its rate of application is generally 0.1 To 1000g/ha.When in the range of the rate of application of component (A) is at 0.1 to 1000g/ha, component (A) has wider Control the preventing and treating spectrum of undesired plant growth, as used before sowing seeds or planting, before germination or after germinateing.It is wide Spectrality is adapted for for processing many plants, as annual and perennial unifacial leaf or dicotyledonous, broad-leaved is miscellaneous Grass, grassy weed or sedge.

The rate of application of active component (B) penoxsuam can change in a big way, and its rate of application is generally 1 to 5000g/ha.Equally, penoxsuam has the wider preventing and treating spectrum controlling undesired plant growth.

The proper ratio of active component (A) and (B) is referred to the rate of application of individualized compound mentioned above and comes Determine.But, the present invention uses the advantage of the combination of component (A) promazine Sulfometuron Methyl and (B) penoxsuam to be The rate of application of one or both active component can be reduced.

In the inventive method, the region that harmful plant or growth can be harmful to plant is used simultaneously or is administered alone Component (A) and (B).The harmful plant that can process by the method and control includes unifacial leaf and dicotyledon.

If use component (A) promazine Sulfometuron Methyl and (B) penoxsuam before weeds germinate on ground, then can Reduce in a large number or prevent target weeds from germinateing.If target weeds are at cotyledon period, then the present invention can reduce or Prevent the further growth of target weeds.It has been found that the present invention can prevent target in two thoughtful surroundings The growth of weeds also and kills weeds.

As fruit component (A) promazine Sulfometuron Methyl and (B) penoxsuam are applied to green after noxious plant germinates Part, then after dispenser, undesired plant growth slows down and stops growing in a short time.Plant will remain in this growth Stage, or noxious plant is by dead after the limited time.Therefore, the present invention can the most persistently eliminate The competition of noxious plant, the crops needed for protection.

As described above, it has now been found that the present invention is specifically designed to protection rice crop, especially rice field.Rice Tanaka, component (A) promazine Sulfometuron Methyl and (B) penoxsuam can be applied in water, by soil, target The bud bud of plant and Root Absorption.

The present invention also provides for the prevention of a kind of selectivity and the method controlling harmful plant strain growth, preferably prevents and controls In crops processed, the especially harmful plant in Oryza sativa L., wherein the method includes concurrently or separately using component (A) and (B) in plant (such as harmful plant such as unifacial leaf and dicotyledonous broad leaved weed, grassy weed and dried tubers Or harmful crops), seed is (such as caryopsis, seed or asexual propagation organ, twig, tuber or auxiliary bud Bud), or in plant growing Zoned application Herbicidal combinations (such as cultivated land or waters, such as rice crop).

Harmful or target plant refers to all be not intended to the plant at this grown.These plant include being harmful to Plant, such as unifacial leaf and dicotyledonous broad leaved weed, grassy weed and dried tuber or harmful crop, and these are planted Strain has drug resistance to some herbicides compounds, such as glyphosate, glufosinate-ammonium, atrazine, imidazolone and sulphonyl Carbamide herbicides.

After crops are gathered in, or when needing the growth stoping certain crop, it is possible to use component (A) promazine is phonetic Sulphur is grand and (B) penoxsuam prevents and controls the growth of harmful plant, thus clears up planting site, for the coming year Sowing is prepared in season.Component (A) promazine Sulfometuron Methyl and (B) penoxsuam can be alternatively used for prevention and Control multiple harmful plant, to protect all kinds of crops, such as monocot crops, including frumentum (such as Semen Tritici aestivi, Fructus Hordei Vulgaris, rye (Secale cereale L.), Herba bromi japonici, Oryza sativa L., Semen Maydis and Semen setariae), or dicotyledonous crops, such as sugar beet, sweet Sugarcane, Caulis et Folium Lini, black Semen Tritici aestivi, Brassica campestris L, Cotton Gossypii, Helianthi and leguminous plant, such as Glycine is (such as Semen sojae atricolor (Glycine Max.), Non-transgenic soybean (such as conventional cultivation kind and STS cultigen), genetically engineered soybean (such as RR Semen sojae atricolor Or LL Semen sojae atricolor) and cenospecies), Phaseolus (Phaseolus), Pisum (Pisum), Vetch (Vicia) With Arachis (Arachis), or the vegetable crop of various botany classification, such as Rhizoma Solani tuber osi, leek (Allium porrum L.), volume Heart dish, Radix Dauci Sativae, Fructus Lycopersici esculenti, Bulbus Allii Cepae.Component (A) promazine Sulfometuron Methyl and (B) penoxsuam can also be used Orchard planting (gardening plantation), greenery patches, lawn and pastoral area, especially pasture.Component (A) promazine Sulfometuron Methyl (B) penoxsuam can be additionally used in non-crop plant area, such as residence or industrial area.Component (A) third Piperazine Sulfometuron Methyl and (B) penoxsuam are applied to during rice crop be particularly effective.

As described above, the Herbicidal combinations of the present invention and method are particularly suited for optionally preventing and control is controlled Noxious plant in rice crop.Described rice crop is included in most diverse Rice under Condition arable farming Institute's likely form, such as dry land are cultivated, nonirrigated farmland is cultivated or paddy field is cultivated, and wherein the irrigation of rice crop can To be natural (rainfall) and/or artificial (pouring, flood irrigation).Described rice crop can be the conventional kind cultivated Son, hybrid seed or have the seed (being obtained by sudden change or transgenic) of the toleration of resistance-at least, it can be by Indica type or round-grained rice type kind or its cenospecies are derived.

Component (A) promazine Sulfometuron Methyl and (B) penoxsuam can pass through multiple commonly using and known in this field Mode is applied to Oryza sativa L..Preferably use component (A) promazine Sulfometuron Methyl and (B) five by the mode of spray/or dipping Penoxsulam.When using with impregnation method, the peak level in rice terrace is preferably 3 to 20cm.Component (A) Promazine Sulfometuron Methyl and (B) penoxsuam such as can be directly applied to rice terrace with present composition form Water in.

Component (A) promazine Sulfometuron Methyl and (B) penoxsuam can be used once at the same time or separately, or repeatedly connect Continue and use.For example, it is possible to first use before sowing/plantation, with component (A) promazine Sulfometuron Methyl and (B) penoxsulam Amine dress seed, and/or for target plant germinate before and/or after, and/or plant germinates early stage, mid-term or One phase or multiple period in late period use.

Use component (A) promazine Sulfometuron Methyl and (B) penoxsuam the most simultaneously.

Component (A) and (B) concurrently or separately can be used by conventional dosage forms, such as wettable powder (WP), breast Oil (EC), suspending agent (SC), microcapsule suspending agent (CS), microemulsion (ME), aqueous emulsion (EW), suspension emulsion (SE), Water-dispersible granules (WDG), ZC or ultra low volume liquids (ULV), reactive compound wrap up or impregnate Natural and synthetic material in the microcapsule that natural and synthetic material and polymeric material are formed.

Component (A) and (B) can be used for preventing and control harmful planting together with other chemistry of pesticide reactive compounds Strain, as prevented and control weeds or the plant of harmful crops.

Component (A) promazine Sulfometuron Methyl and (B) penoxsuam can be executed by technology known to this field and form With.The traditional method using active component includes irrigating, spray, be atomized or broadcasting sowing.

On the other hand, the present invention provides component (A) promazine Sulfometuron Methyl and (B) penoxsuam in dispenser point control The purposes of plant strain growth.

As described above, it has been found that the combination at component (A) promazine Sulfometuron Methyl He (B) penoxsuam makes In with, it is possible to use some particular safety agent.

Therefore, the present invention also provides for safener at minimizing component (A) promazine Sulfometuron Methyl and (B) penoxsuam Purposes in the toxicity of combination.

For preventing and controlling the useful plant of multiclass, the especially weeds in Oryza sativa L., at component (A) promazine Sulfometuron Methyl (B) combination of penoxsuam use safener have many advantages.

Suitably safener includes benoxacor (benoxacor), fenclorim (fenclorim), allyl dichloride amine (dichlormid), mefenpyrdiethyl (mefenpyr (-diethyl))) and isoxadifen (ethyl)) (isoxadifen (-ethyl))).Comprise safener and component (A) promazine Sulfometuron Methyl and (B) penoxsulam amine composition can be effective Protect the murder by poisoning of useful plant (except weeds) not receptor 1 activity herbicide.

Embodiments of the invention will be illustrated by the following examples, but only explain purposes.

Embodiment

Compositions embodiment

In the examples below that, embodiment 1 to 25 is the embodiment about the present composition.

Except as otherwise noted, the percent ratio in the following example is the weight ratio accounting for compositions.

Embodiment 1

Oil-suspending agent containing 25% promazine Sulfometuron Methyl+1% penoxsuam is prepared from the following ingredients:

These compositions are mixed, after ground and high speed shear, obtains 25% promazine Sulfometuron Methyl+1% penoxsulam Amine oil-suspending agent.

Embodiment 2

Wettable powder containing 10% promazine Sulfometuron Methyl+2% penoxsuam is prepared by following component:

Above composition is mixed, after ultra-fine pulverizer disintegrating, obtains 10% promazine Sulfometuron Methyl+2% five fluorine sulphur Grass amine wettable powder.

Embodiment3

Wettable powder containing 1% promazine Sulfometuron Methyl+50% penoxsuam is prepared by following component:

Above composition is mixed, after ultra-fine pulverizer disintegrating, obtains 1% promazine Sulfometuron Methyl+50% five fluorine The wettable powder of sulphur grass amine.

Embodiment4

Water dispersible granules containing 0.1% promazine Sulfometuron Methyl+1% penoxsuam consists of the following composition:

Above composition is mixed, through uniform stirring, grind, with water-wet, extruding and dried, contained The water dispersible granules of 0.1% promazine Sulfometuron Methyl+1% penoxsuam.

Embodiment5

Cream containing 5% promazine Sulfometuron Methyl+0.1% penoxsuam is prepared by following component:

Mentioned component mix and blend is obtained homogeneous phase.

Embodiment6

Oily suspension emulsion containing 10% promazine Sulfometuron Methyl+0.1% penoxsuam is prepared by following component:

Promazine is obtained by after ground to promazine Sulfometuron Methyl, methyl naphthalene sulfonic acid salt formaldehyde condensation products and/or high speed shear Sulfometuron Methyl oil-suspending agent；By penoxsuam, SOLVESSO^TM200, ethoxylated castor oil mixing is stirred Mix the cream uniformly obtaining penoxsuam；The penoxsuam cream obtained is joined promazine Sulfometuron Methyl In oil-suspending agent, it is mixed to get 10% promazine Sulfometuron Methyl+0.1% penoxsuam oil suspension emulsion.

Embodiment 7:

Wettable powder containing 25% promazine Sulfometuron Methyl+1% penoxsuam is prepared by following component:

The mixture of said components is pulverized and ground, is prepared as wettable powder.

Embodiment 8:

Water dispersible granules containing 40% promazine Sulfometuron Methyl+4% penoxsuam is prepared by following component:

Above composition is uniformly mixed, grind, obtain after drying containing 40% the third with water-wet, extruding and air The water dispersible granules of piperazine Sulfometuron Methyl+4% penoxsuam.

Embodiment 9:

Suspension formulation containing 2% promazine Sulfometuron Methyl+50% penoxsuam is prepared by following component:

Oil phase:

Promazine Sulfometuron Methyl 2%

N-Methyl pyrrolidone 10%

Ethoxylated castor oil 5%

Aqueous phase:

Penoxsuam 50%

4D384 (purchased from RHODIA) 3%

Water complements to 100%

Promazine Sulfometuron Methyl is dissolved in N-Methyl pyrrolidone, in N-Methyl pyrrolidone, adds ethyoxyl Change Oleum Ricini and obtain oil phase；By penoxsuam,4D384 and water sand milling obtain five fluorine The waterborne suspension of sulphur grass amine；Under agitation oil phase is added aqueous phase and obtain suspending agent.

Embodiment 10:

Wettable powder containing 10% promazine Sulfometuron Methyl+10% penoxsuam is prepared by following component:

It is prepared as wettable powder after mentioned component pulverizing, grinding.

Embodiment 11:

Coated granule containing 1% promazine Sulfometuron Methyl+25% penoxsuam is prepared by following component:

Component is added blender, in a mixer, by levigate active component even spread to by poly-second two On the calcium carbonate carrier of alcohol moistening, obtain dust-free coated granules agent with this.

Embodiment 12:

Wettable powder containing 1% promazine Sulfometuron Methyl+5% penoxsuam is prepared by following component:

Said components is ground, pulverizes, be prepared as wettable powder.

Embodiment 13:

Extrusion granule containing 5% promazine Sulfometuron Methyl+5% penoxsuam is prepared by following component:

Above composition is mixed and grinds.The powder water-wet obtained is formed squeezable thickener.Again will This paste-extruded formation granule, is dried the most in atmosphere.

Embodiment 14:

The mixing dosage form (ZC) of the suspending agent of promazine Sulfometuron Methyl microcapsule suspending agent+penoxsuam is by following Prepared by composition:

The promazine Sulfometuron Methyl of microencapsulation:

The suspending agent of penoxsuam

By poly methylene poly phenyl poly isocyanate (PAPI), promazine Sulfometuron Methyl, SOLVESSO^TM200 It is prepared as oil phase.Described oil phase is added containing ATLOX^TMIn the aqueous phase of 4913, form emulsion.Then heat Emulsion, to 50 DEG C, added catalyst, by the mixture reaction that obtains 2 hours.Obtain containing promazine phonetic after cooling The microcapsule suspending agent (CS) that sulphur is grand.

By ATLOX^TM4913, defoamer, carbamide, penoxsuam and water mixing, and ground, preparation Become the suspending agent (SC) of penoxsuam.

Promazine Sulfometuron Methyl microcapsule suspending agent is added in the suspending agent of penoxsuam, obtain containing 0.1% promazine The mix preparation (ZC) of Sulfometuron Methyl+10% penoxsuam.

Embodiment 15:

Suspension emulsion containing 2% promazine Sulfometuron Methyl+3% penoxsuam is prepared by following component:

Penoxsuam is dissolved in SOLVESSO^TMIn 200, in the solution obtained, add ethoxylation Oleum Ricini, obtains the emulsion of penoxsuam；By promazine Sulfometuron Methyl,4D384 mixes also Grind, the mixture obtained adds water and is prepared as suspending agent.

Oil phase is joined in suspending agent, obtain obtaining outstanding breast containing 2% penoxsuam and 3% promazine Sulfometuron Methyl Agent.

Embodiment 16:

Cream containing 10% promazine Sulfometuron Methyl+2% penoxsuam is prepared by following component:

Above-mentioned each component being mixed, stirring is to obtaining homogeneous phase.

Embodiment 17:

Suspending agent containing 20% promazine Sulfometuron Methyl+40% penoxsuam is prepared by following component:

Each component is uniform, and grind, it is prepared as suspending agent.

Embodiment 18:

Wettable powder containing 40% promazine Sulfometuron Methyl+50% penoxsuam is prepared by following component:

Above composition is mixed, pulverizes and grind and be prepared as wettable powder.

Embodiment 19:

Water dispersible granules containing 20% promazine Sulfometuron Methyl+60% penoxsuam is prepared by following component:

By the merging of active component, dispersant, wetting agent, disintegrating agent and filler, mix homogeneously, grind and use Water-wet forms thickener.By paste-extruded, then air is dried, and obtains containing 20% promazine Sulfometuron Methyl+60% five The water dispersible granules of penoxsulam.

Embodiment 20:

Mixture containing 40% promazine Sulfometuron Methyl+60% penoxsuam is prepared by following component:

Promazine Sulfometuron Methyl 40%

Penoxsuam 60%

By promazine Sulfometuron Methyl, penoxsuam according to aforementioned proportion mix homogeneously.

Embodiment 21:

Mixture containing the acid of+20% pair of benzene azoles of 20% promazine Sulfometuron Methyl+60% penoxsuam by with Prepared by lower composition:

Promazine Sulfometuron Methyl 20%

Penoxsuam 60%

Double benzene azoles acid 20%

By promazine Sulfometuron Methyl, penoxsuam, the acid of double benzene azoles according to aforementioned proportion mix homogeneously.

Embodiment 22:

Mixture containing 60% promazine Sulfometuron Methyl+20% penoxsuam+20% benoxacor is by following one-tenth Divide and prepare:

Promazine Sulfometuron Methyl 60%

Penoxsuam 20%

Benoxacor 20%

By promazine Sulfometuron Methyl, penoxsuam, benoxacor according to aforementioned proportion mix homogeneously.

Embodiment 23:

Mixture containing 15% promazine Sulfometuron Methyl+5% penoxsuam+80% benoxacor is by following component Preparation:

Promazine Sulfometuron Methyl 15%

Penoxsuam 5%

Benoxacor 80%

Embodiment 24:

Mixture containing 10% promazine Sulfometuron Methyl+5% penoxsuam+85% allyl dichloride amine is by following Prepared by composition:

Promazine Sulfometuron Methyl 10%

Penoxsuam 5%

Allyl dichloride amine 85%

By promazine Sulfometuron Methyl, penoxsuam, allyl dichloride amine according to aforementioned proportion mix homogeneously.

Embodiment 25:

Containing 5% promazine Sulfometuron Methyl+1% penoxsuam+94% mefenpyrdiethyl (mefenpyr-diethyl) Mixture prepared by following component:

Promazine Sulfometuron Methyl 5%

Penoxsuam 1%

Mefenpyrdiethyl 94%

By promazine Sulfometuron Methyl, penoxsuam, mefenpyrdiethyl according to aforementioned proportion mix homogeneously.

Biological Examples

Embodiment 26 to 28 illustrates the method for the present invention and the embodiment of purposes, illustrates the present composition Effect in terms of controlling plant strain growth.

Embodiment 26 bud pre-treatment:

Under greenhouse experiment, in indoor, test plant is planted in the cultivation matrix of standard soil.In test Before plant germination, the Herbicidal combinations containing promazine Sulfometuron Methyl and penoxsuam is administered to test plant institute The soil surface of plantation.

For ease of contrast, will use containing the reference composition of promazine Sulfometuron Methyl and penoxsuam one of which In the soil surface that test plant is planted.

Plantation and dispenser 2-4 week later evaluation test plant.In test, promazine Sulfometuron Methyl and penoxsuam Combination substantially than comparison test group more can control and prevent plant strain growth.Specifically, this result of the test shows Show that the combination of promazine Sulfometuron Methyl and penoxsuam has obvious synergistic function.

This test shows, when the active component in the present invention is applied on cultivation matrix before rudiment, this The method and composition of the combination of bright employing promazine Sulfometuron Methyl and penoxsuam can be entirely prevented from test plant Emerge.

After germinateing test plant and the cotyledon period stage carries out identical test, then the test knot obtaining being similar to Really.In these trials, these plants, after by dispenser, stop growing and in dispenser 3 to 4 after cotyledon period Death after week.

Embodiment 27 bud post processing

Following plant (grassy weed, broad leaved weed, dried tuber) is carried out by bud post processing test: Semen Euphorbiae (Leptochloachinensis), Herba stellariae mediae (Stellaria media), Amaranthus retroflexus (Amaranthus retroflexus), Herba Setariae Viridis (Setaria viridis), volume stem knotweed (Fallopia (ex Polygonum) Convolvulus), barnyard grass (Echinochloa crusgalli), Herba Abutili (Abuthilon theophrasti), Oryza sativa L. (Oryza sativa), wild kind Aunt (Sagittariatrifolia), Rhizoma Alismatis (Oriental Waterplantain Rhizome), Herba monochoriae vaginalis (Herb Of Pygmy Arrowhead), Monochoria korsakowii (Monochoria korsakowii), Lindernia procumbens (Krock.) Phillcox. (Lindernia Procumbens), firefly Lin (Scirpus juncoides Roxb), Herba Cyperi Difformis (Cyperus difformis L.). Above-mentioned plant is considered as the noxious plant in crops especially Oryza sativa L..

Harmful plant and the seed of Oryza sativa L. or root stock block are planted the sandy soil in peat basin (diameter 4cm) In, and cover with earth.Peat basin is placed in greenhouse, keeps proper temperature.

Additionally, harmful plant is individually planted in peat basin.

Keep the water level in basin higher than earth 2cm.

After cultivating 3 weeks, plant will be developed to tri-leaf period from a leaf phase, at this moment with following preparation process plant:

1. promazine Sulfometuron Methyl；

2. penoxsuam；And

3. promazine Sulfometuron Methyl+penoxsuam

It is applied to plant after preparation dilute with water.

After dispenser, peat basin is positioned in greenhouse, keeps optimum temperature, do cultivation further.

21 days after administration, the usefulness of range estimation herbicide.

Range estimation mark represents the plant through chemicals treatment and the comparative result of matched group plant.Mark 0% means Without activity of weeding.Mark 100% means to have activity of weeding (weeds are completely eliminated) completely.

Both activation is administered alone when the activity of weeding of the compositions including two kinds of reactive compounds is more than During the gross activity of compound, then the combination of two kinds of reactive compounds can produce synergistic function.Two kinds of activations The expection activity of the particular combination of compound can use so-called " Colby formula " (see S.R.Colby, "Calculating Synergistic and Antagonistic Responses of Herbicide Combinations ", Weeds 1967,15,20-22) calculate:

Wherein:

A=when the rate of application of reactive compound A is m g/ha, the percent activity of compound A；

B=when the rate of application of reactive compound B is n g/ha, the percent activity of compound B；

The E=expection percentage ratio when compound A and B uses with the rate of application of m g/ha and n g/ha simultaneously；

Then:

E=A+B-(A × B/100).

If it is observed that the substantial activity of combination of compound A and B more than result of calculation, the then work of this combination Property demonstrates superadditivity effect, i.e. there is synergistic function.

Above-mentioned result of the test is summarized in following table one.

Table one

From the results shown in Table 1, the combination of promazine Sulfometuron Methyl and penoxsuam can efficiently control many Plant weeds, including annual gramineous weed, sedge weed and broad leaved weed, be particularly grown in Oryza sativa L. The situation of Tanaka.According to result of the test it can be seen that use removing of promazine Sulfometuron Methyl and penoxsuam together Grass effect is the most relatively administered alone promazine Sulfometuron Methyl or penoxsuam more preferably.Specifically, result shows third The combination of piperazine Sulfometuron Methyl and penoxsuam possesses synergistic function.Additionally, the combination of active component is low High activity of weeding is kept under rate of application.The combination of promazine Sulfometuron Methyl and penoxsuam is compared with the most any one For kind composition is administered alone, there is wider array of weed control spectrum, can be used for the comprehensive control of multiple weeds.Use The combination of active component can control the weeds of antiweed, reduces the drug resistance that target weeds produce.

Embodiment 28-toxicity test

Test plant Semen Tritici aestivi, corn and soybean, Radix Betae, Caulis Sacchari sinensis, Cotton Gossypii, rice, bean, Caulis et Folium Lini, Fructus Hordei Vulgaris, Herba bromi japonici, rye (Secale cereale L.), Triticale hexaploide Lart., Brassica campestris L, Rhizoma Solani tuber osi and Semen setariae grew to for four leaf phases in the plastic tank in greenhouse. Test plant uses promazine Sulfometuron Methyl respectively, comprises the compositions of promazine Sulfometuron Methyl and safener, promazine Sulfometuron Methyl and the mixture of penoxsuam, and the mixing of promazine Sulfometuron Methyl, penoxsuam and safener Thing.

After dispenser three weeks, the assessment dispenser toxicity to test plant.100% represents strong toxicity, and (test plant is complete Portion is dead).0% represent nontoxic.

It has been observed that add safener (especially benoxacor, fenclorim, allyl dichloride amine, pyrazoles solution grass Ester and isoxadifen (ethyl)) after, the combination of promazine Sulfometuron Methyl and penoxsuam is to test plant Toxicity significantly reduces.

Claims

1. comprising component (A) and the herbicidal composition of (B), wherein component (A) is compound promazine Sulfometuron Methyl, its molecule formula (I) is:

Component (B) is compound penoxsuam, and its molecule formula (II) is:

2. herbicidal composition as claimed in claim 1, wherein component (A) with the weight ratio of component (B) is 100:1 to 1:100.

3. herbicidal composition as claimed in claim 2, wherein component (A) with the weight ratio of component (B) is 50:1 to 1:50.

4. herbicidal composition as claimed in claim 3, wherein component (A) with the weight ratio of component (B) is 10:1 to 1:10.

5. herbicidal composition as claimed in claim 4, wherein component (A) with the weight ratio of component (B) is 5:1 to 1:5.

6. herbicidal composition as according to any one of aforementioned claim, wherein component (A) and component (B) Total amount account for 5 to 90 weight % of compositions.

7. herbicidal composition as claimed in claim 6, wherein component (A) accounts for group with the total amount of component (B) 10 to 80 weight % of compound.

8. herbicidal composition as claimed in claim 7, wherein component (A) accounts for group with the total amount of component (B) 30 to 50 weight % of compound.

9. herbicidal composition as according to any one of aforementioned claim, the agent of wherein said compositions Type is selected from lower group: wettable powder (WP), cream (EC), suspending agent (SC), microcapsule are outstanding Floating agent (CS), microemulsion (ME), Emulsion, such as aqueous emulsion (EW), or suspension emulsion (SE), Water dispersible granules (WDG), ultra low volume liquids (ULV), or mixing dosage form.

10. herbicidal composition as according to any one of aforementioned claim, described compositions also comprises One or more compounds, described compound selected from safener, antifungal, insecticide, acaricide, Nematicide, bird dispelling liquid, soil conditioner, plant nutrient agent (chemical fertilizer), plant growth regulator, Micronutrient and be different from component (A) and the herbicide of (B).

11. herbicidal compositions as claimed in claim 10, wherein comprise safener in compositions.

12. herbicidal compositions as claimed in claim 11, wherein said safener can effectively reduce medicine The agent toxicity to one or more crops, described crops selected from Semen Tritici aestivi, Fructus Hordei Vulgaris, rye (Secale cereale L.), Herba bromi japonici, Semen Maydis, rice, Semen setariae, Radix Betae, Caulis Sacchari sinensis, Brassica campestris L, Cotton Gossypii and Semen sojae atricolor.

13. as described in claim 11 or 12 herbicidal composition, under wherein said safener group solve grass Piperazine, cloquintocetmexyl, cyometrinil, cyclopropyl-sulfonylamide, allyl dichloride amine, dicyclo are grand, O-phenyl Phosphoric acid O, O-diethyl ester, fenchlorazole, fenclorim, flurazole, fluxofenim, furilazole, double Isoxazolyl benzenesulfonamide acid, mefenpyrdiethyl, methyl carbamic acid 4-chlorphenyl ester, naphthalic anhydride, oxabetrinil And their mixture.

14. as according to any one of claim 11 to 13 herbicidal composition, wherein have activity of weeding The weight ratio of compound and safener be 90000:1 to 1:5000.

15. herbicidal compositions as claimed in claim 14, wherein have weeding active compound and safety The weight ratio of agent is 3000:1 to 1:500.

16. herbicidal compositions as claimed in claim 15, wherein have compound and the peace of activity of weeding The weight ratio of full agent is 20:1 to 1:100.

17. 1 kinds of methods at dispenser point control plant strain growth, the method is included in dispenser point and uses group Dividing (A) and (B), wherein component (A) is compound promazine Sulfometuron Methyl, and its molecule formula (I) is:

Component (B) is compound penoxsuam, and its molecule formula (II) is:

18. methods as claimed in claim 17, wherein component (A) is 100:1 with the weight ratio of component (B) To 1:100.

19. methods as claimed in claim 18, wherein component (A) is 50:1 with the weight ratio of component (B) To 1:50.

20. methods as claimed in claim 19, wherein component (A) is 10:1 with the weight ratio of component (B) To 1:10.

21. methods as claimed in claim 20, wherein component (A) is 5:1 with the weight ratio of component (B) To 1:5.

22. as according to any one of claim 17 to 21 method, wherein component (A) and component (B) with Use selected from the dosage form of lower group: wettable powder (WP), cream (EC), suspending agent (SC), Microcapsule suspending agent (CS), microemulsion (ME), Emulsion, such as aqueous emulsion (EW), or suspension emulsion (SE), water dispersible granules (WDG), ultra low volume liquids (ULV), or mixing dosage form.

23. as according to any one of claim 17 to 22 method, the method is additionally included in dispenser point and executes With one or more selected from the compound of lower group: as safener, antifungal, insecticide, acaricide, Nematicide, bird dispelling liquid, soil conditioner, plant nutrient agent (chemical fertilizer), plant growth regulator, Micronutrient and be different from component (A) and the herbicide of (B).

24. methods as claimed in claim 22, wherein the method includes using safener.

25. methods as claimed in claim 23, wherein said safener can effectively reduce medicament to one Or the toxicity of multiple kinds of crops, described crops selected from Semen Tritici aestivi, Fructus Hordei Vulgaris, rye (Secale cereale L.), Herba bromi japonici, Semen Maydis, Rice, Semen setariae, Radix Betae, Caulis Sacchari sinensis, Brassica campestris L, Cotton Gossypii and Semen sojae atricolor.

26. as described in claim 23 or 24 method, wherein said safener be selected from benoxacor, removing toxic substances Quinoline, cyometrinil, cyclopropyl-sulfonylamide, allyl dichloride amine, dicyclo are grand, O-phenyl phosphoric acid O, O- Diethyl ester, fenchlorazole, fenclorim, flurazole, fluxofenim, furilazole, isoxadifen, Mefenpyrdiethyl, methyl carbamic acid 4-chlorphenyl ester, naphthalic anhydride, oxabetrinil and theirs is mixed Compound.

27. as according to any one of claim 24 to 26 method, wherein have weeding active compound with The weight ratio of safener is 90000:1 to 1:5000.

28. methods as claimed in claim 27, wherein have the compound of activity of weeding and the weight of safener Amount ratio is 3000:1 to 1:500.

29. methods as claimed in claim 28, wherein have the compound of activity of weeding and the weight of safener Amount ratio is 20:1 to 1:100.

30. as according to any one of claim 17 to 29 method, wherein said plant be unifacial leaf and Dicotyledonous plant.

31. methods as claimed in claim 30, wherein monocot plant includes Echinochloa, Panicum, precocity Standing grain genus, Sprangletop, Brachiaria, knotgrass, setaria, dried tuber, Herba sagittariae pygmaeae genus, Herba Fimbristylis dichotomae, Sagittaria, Eleocharis, grass belong to, Waterplantain, water leaf spp, water screening spp, eriocaulon buergerianum and eye Lepidium, such as barnyard grass, Herba sagittariae pygmaeae, Herba Eleocharitis acicularis, Eleocharis, Herba Cyperi Difformis, dried tuber, short Rhizoma sagittariae sagittifoliae, narrow leaf pool Rush down and the one or more of which of firefly Lin.

32. methods as claimed in claim 30, the most dicotyledonous plant include Polygonum, joint joint Lepidium, Genus, Bidens, cusp Pittosporum, snake eye genus, Fructus seu radix camptothecae acuminatae (Fructus Camptothecae Acuminatae) genus, the numerous genus of ditch, Gratiola, footpath between fields on footpath between fields Upper genus, Genus Syringa, Oenanthe, Ranunculus and pool chilly belong to, such as mexicana, on cusp flower, footpath between fields Dish, Flos Caryophylli are crawled, Herba potamogetonis distincti, three medicine ditches are numerous and the one or more of which of Herba Oenanthes Javanicae.

33. as according to any one of claim 17 to 32 method, wherein said component (A) and (B) with Time and/or sequential application.

34. as according to any one of claim 17 to 33 method, wherein said component (A) and (B) exist Plant is used before and/or after germinateing.

35. as according to any one of claim 17 to 34 method, wherein by described component (A) and (B) It is applied on plant material.

36. methods as claimed in claim 35, wherein plant material is seed.

37. as according to any one of claim 17 to 36 method, wherein said component (A) and (B) with Composition forms according to any one of claim 1 to 16 is used.

38. as according to any one of claim 17 to 37 method, wherein said dispenser point includes being selected from Caulis et Folium Lini, black Semen Tritici aestivi, Semen Tritici aestivi, Fructus Hordei Vulgaris, rye (Secale cereale L.), Herba bromi japonici, Oryza sativa L., Semen Maydis, Semen setariae, Radix Betae, sweet Sugarcane, Brassica campestris L, Cotton Gossypii, Helianthi, Glycine tabacina Benth., Semen sojae atricolor, Rhizoma Solani tuber osi, Folium Allii tuberosi, Brassica oleracea L.var.capitata L., Radix Dauci Sativae, Fructus Lycopersici esculenti and the crops of Bulbus Allii Cepae, or described dispenser point includes pasture, greenery patches or lawn.

39. methods as claimed in claim 38, wherein said crops are Oryza sativa L..

40. as according to any one of claim 17 to 37 method, wherein said dispenser point is fruit kind Plant garden.

41. as according to any one of claim 17 to 37 method, wherein said dispenser point is non-farming District.

The combination of 42. components (A) and (B) purposes in controlling plant strain growth, wherein component (A) is Compound promazine Sulfometuron Methyl, its molecule formula (I) is:

Component (B) is compound penoxsuam, and its molecule formula (II) is:

43. as described in claim 42 comprise selected from Caulis et Folium Lini, black Semen Tritici aestivi, Semen Tritici aestivi, Fructus Hordei Vulgaris, rye (Secale cereale L.), Herba bromi japonici, Oryza sativa L., Semen Maydis, Semen setariae, Radix Betae, Caulis Sacchari sinensis, Brassica campestris L, Cotton Gossypii, Helianthi, Glycine tabacina Benth., big Bean, Rhizoma Solani tuber osi, Folium Allii tuberosi, Brassica oleracea L.var.capitata L., Radix Dauci Sativae, Fructus Lycopersici esculenti, the crops of Bulbus Allii Cepae, or protection Purposes in pasture, greenery patches or lawn.

44. as described in claim 43 purposes, wherein said crops are Oryza sativa L..

Purposes in the crops in protection fruit plantation as described in 45. such as claim 42.

46. as described in claim 42 purposes in non-farming district.

The poison that 47. safeners produce when controlling plant strain growth in the combination reducing component (A) and (B) Purposes in property, wherein component (A) is compound promazine Sulfometuron Methyl, and its molecule formula (I) is:

Component (B) is compound penoxsuam, and its molecule formula (II) is:

48. as described in claim 47 purposes, wherein said safener can effectively reduce a kind of or many Kind selected from Semen Tritici aestivi, Fructus Hordei Vulgaris, rye (Secale cereale L.), Herba bromi japonici, Semen Maydis, rice, Semen setariae, Radix Betae, Caulis Sacchari sinensis, Brassica campestris L, The toxicity of the crops in Cotton Gossypii and Semen sojae atricolor.

49. as described in claim 47 or 48 purposes, wherein said safener be selected from benoxacor, removing toxic substances Quinoline, cyometrinil, cyclopropyl-sulfonylamide, allyl dichloride amine, dicyclo grand (dicyclonon), O-phenyl sulfur For phosphoric acid O, O-diethyl ester, fenchlorazole, fenclorim, flurazole, fluxofenim, furilazole, Isoxadifen, mefenpyrdiethyl, methyl carbamic acid 4-chlorphenyl ester, naphthalic anhydride, solution grass Nitrile and their mixture.

50. 1 kinds of compositionss the most as described above.

51. 1 kinds of methods controlling plant strain growth the most as described above.