CN105265461B

CN105265461B - A kind of Herbicidal combinations

Info

Publication number: CN105265461B
Application number: CN201410355577.4A
Authority: CN
Inventors: 罗昌炎; 詹姆斯·T·布里斯托
Original assignee: Jiangsu Rotam Chemical Co Ltd
Current assignee: Jiangsu Rotam Chemical Co Ltd
Priority date: 2014-07-24
Filing date: 2014-07-24
Publication date: 2018-01-16
Anticipated expiration: 2034-07-24
Also published as: CN105265461A

Abstract

The present invention relates to a kind of Herbicidal combinations.The invention further relates to a kind of method for controlling undesirable plant.The present invention provides a kind of Herbicidal combinations, comprising active component (A) and (B), wherein (A) is the compound described by formula (A)：(A), and (B) is the compound described by formula (B)：

Description

A kind of Herbicidal combinations

Technical field

The present invention relates to a kind of Herbicidal combinations.The invention further relates to a kind of method for controlling undesirable plant.

Background technology

As numerous herbicide kinds persistently use in rice terrace large area, the problem of many is produced, as Weed Resistance is dashed forward Go out, it is especially more prominent to the resistance of propanil, dichloro quinolinic acid, butachlor, benthiocarb with barnyard grass.Use the one kind being currently known Rice crops herbicide or its combination can not possibly obtain satisfied control effect.

Sulfonylurea herbicide is selective inner-adsorption conduction-type herbicide, is easily absorbed by the root of plant, leaf, in xylem and Bast conducts, and it can suppress vital acetolactate synthestase in plant（ALS）Activity.Sulfonylurea herbicide Some problems are still suffered from application process, wherein most prominent is that its herbicide carryover and weeds resist to sulfonylurea herbicide Property of medicine problem.

Promazine Sulfometuron Methyl（Propyrisulfuron）, molecular formula C₁₆H₁₈O₅N₇SCl, its molecular structure are as follows：

（A）

Promazine Sulfometuron Methyl is by the pyrimidine radicals sulfonylurea herbicide of SUMITOMO CHEMICAL chemistry exploitation, is mainly used in rice terrace and prevents Except the grass family such as barnyard grass and broad leaved weed.The product dosage is low, and some known sulfonylurea herbicides are produced with the weeds of resistance There is good preventive effect.

KIH 6127（Pyriminobac-methyl）, chemical name be methyl 2-[（4,6-dimethoxypyridin-2- Base）Epoxide]-6-[1-（Methoxyimino）Ethyl] methyl benzoate, its structural formula is：

（B）

KIH 6127 is that a kind of inner sucting conduction type specialty of Japanese combinatorial chemistry research and development removes barnyard grass agent, belongs to pyrimidine salicylic acid weeding Agent.KIH 6127 is acetolactate synthestase（ALS）Inhibitor, worked by preventing the biosynthesis of branched-chain amino acid.It is logical Cauline leaf absorption is crossed, is conducted in plant body, weeds stop growing, then withered.Barnyard grass after blade and cane, root absorption very Complete stool is transmitted to soon, suppresses acetolactate synthestase, influences the biosynthesis of amino acid, so as to hinder the cell of plant point Split, and stop growing, gradual albefaction is withered.

The method of conventional control weeds be into existing preparation addition can effectively prevent and treat have to sulfonylurea herbicide it is anti- The active component of the weeds of property, so as to add the active component number in the combination agent for weeds.In this case, need There is such herbicide, they are for the weeds of anti-sulfonylurea herbicide and to propanil, dichloro quinolinic acid, butachlor, herbicide Red resistant barnyard grass has gratifying effect, and can reduce the amount of active component in composition.Therefore, it is necessary to research and develop one Kind improves the Herbicidal combinations of the efficacy of herbicides, to tackle increasingly serious Weed infestation.

The content of the invention

It is a kind of raising it is an object of the invention to provide a kind of Herbicidal combinations and its method for the undesirable plant of preventing and treating The Herbicidal combinations of the efficacy of herbicides.

It is an object of the invention to provide a kind of Herbicidal combinations, comprising active component (A) and (B), wherein (A) is by formula (A) The compound of description, promazine Sulfometuron Methyl（Propyrisulfuron）：

（A）

And (B) is by the compound of formula (B) description, KIH 6127（Pyriminobac-methyl）：

(B)

Wherein active component (A) and (B) weight ratio (A): (B) is 100: 1 to 1：100.

Preferably, wherein active component (A) and (B) weight ratio (A): (B) is preferably 50: 1 to 1: 50.

Preferably, wherein active component (A) and (B) weight ratio (A): (B) is preferably 25: 1 to 1: 25.

It is furthermore preferred that wherein active component (A) and (B) weight ratio (A): (B) is preferably 10: 1 to 1: 10.

It is furthermore preferred that wherein active component (A) and (B) weight ratio (A): (B) is preferably 5: 1 to 1: 5.

A kind of Herbicidal combinations, include active component (A) and (B), filler and/or surfactant.

The Herbicidal combinations also include safener, and safener is selected from benoxacor, fenclorim, dichlormide, pyrazoles solution Careless ester, wherein the safener is 1 relative to promazine Sulfometuron Methyl and the weight proportion of the active component of KIH 6127:100 to 20:1.

Described Herbicidal combinations, include promazine Sulfometuron Methyl and KIH 6127, filler and/or surfactant.

In the Herbicidal combinations, active component (A) and (B) content account for the 5%-90% of the Herbicidal combinations.

In the Herbicidal combinations, active component (A) and (B) content account for the Herbicidal combinations 10%-80%.

In the Herbicidal combinations, active component (A) and (B) content account for the Herbicidal combinations 20%-60%.

The formulation of the Herbicidal combinations is wettable powder, missible oil, suspending agent, microcapsules, microemulsion, aqueous emulsion, outstanding Floating emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent, ultra low volume liquids.

Application of the described Herbicidal combinations on undesirable plant is prevented and kill off.The Herbicidal combinations are preventing and kill off list Application in leaf, broadleaf weed.

The Herbicidal combinations prevent and kill off wheat, corn and soybean, sugar beet, sugarcane, cotton, rice, beans, flax, In barley, oat, rye, triticale, rape, potato, broomcorn millet, herbage, greenery patches or lawn, fruit plantation Zhong Huofei crop belts The application of unifacial leaf, broadleaf weed in domain.The application of unifacial leaf, broadleaf weed particularly in rice crop is prevented and kill off.

A kind of method for preventing and treating undesirable plant, it is characterised in that by the active component of the Herbicidal combinations of the present invention (A) and (B) collectively or individually is applied to the region of undesirable plant or undesirable plant growth.

The Herbicidal combinations of the present invention cause active component (A) and (B) activity to cooperate with enhancing in a manner of unexpected, Beyond use single active component (A) and (B) accessible activity.

When active component (A) and active component (B) are co-administered, chemiluminescence be present.Here, the composition Activity higher than apply each herbicidal activity expection summation.Synergy makes rate of application to reduce, and prevents and treats the wealthy of more wide range Leaf weeds, grassy weed and sedge, herbicide effect work faster, the duration it is longer, by only once or several times Preferably prevent and treat and can widen using the phase using just having to noxious plant.The dosage used in the Herbicidal combinations and change Compound (A) and (B) effective dose are all adjustable to relatively low level, so that its as little as optimum degree of effect to soil.

Embodiment

The present invention provides a kind of Herbicidal combinations, comprising active component (A) and (B), wherein (A) is by formula (A) description Compound,

(A)

(B) it is the compound described by formula (B),

(B)

Wherein active component (A) and (B) weight ratio (A): (B) is 100: 1 to 1：100, preferably 50: 1 to 1：50, it is more excellent Select 25: 1 to 1：25, more preferably 10: 1 to 1：10, further preferably 5: 1 to 1：5.

Synergy can reduce the rate of application of single herbicide, the effectiveness under identical rate of application is higher, and preventing and treating is also not Controlled kind, preventing and treating extend to single herbicide or a variety of herbicide tolerants or resistant kind, using the phase and/or Required is administered alone number reduction, and obtains the control of weeds body in economic and ecology advantageously for user System.

The rate of application of active component (A) can change in a wide range, such as in 0.1g to 1000g A.I./ha (hereinafter, A.I./ha represents " active material/hectare "=reactive compound meter based on 100% purity).With 0.1 to 1000g A.I./ha Rate of application when applying, when use active component (A) in method prior to seeding, before plantation or before bud and after bud, it has relatively Wider noxious plant spectrum to be prevented and treated, such as annual and perennial unifacial leaf or dicotyledonous broad leaved weed, grassy weed And sedge, and undesirable crop plants.

The rate of application of active component (B) can change in a wide range, such as 1g to 5000g A.I./ha is (hereinafter, A.I./ha represents " active material/hectare "=reactive compound meter based on 100% purity), it, which has, relatively wide waits to prevent The noxious plant spectrum controlled.

Active component (A) for example can be by reference to the administration of mentioned single compound with (B) suitable proportion Depending on rate.In the present compositions, rate of application can generally be reduced.In the present compositions, active component (A) with (B) preferable proportioning (A): (B) is following weight ratio：

Active component (A) and the weight ratio (A) of (B): (B) is generally 100: 1 to 1：100；

Preferably, active component (A) and the weight ratio (A) of (B): (B) is 50: 1 to 1：50；

Particularly, active component (A) and the weight ratio (A) of (B): (B) is 25: 1 to 1：25；

It is more special, active component (A) and the weight ratio (A) of (B): (B) is 10: 1 to 1：10；

It is more special, active component (A) and the weight ratio (A) of (B): (B) is 5: 1 to 1：5.

The Herbicidal combinations of the present invention can also be included one or more different from active component (A) and (B) and also served as Other reactive compounds of selective herbicide.

The Herbicidal combinations of the present invention can also include the various reactive compounds of other components, be selected from safener, kill Epiphyte pharmaceutical, insecticide, acaricide, nematicide, bird repellent, soil conditioner, nutrient for plants (fertilizer), Yi Jijie Structure is different from active component (A) and the herbicide and plant growth regulator of (B).

Preferably, the different types of agrochemically active compound includes Acetochlor (acetochlor), Acibenzolar (acibenzolar), diazosulfide (acibenzolar-S-methyl), acifluorfen (acifluorfen), aclonifen (aclonifen), alachlor (alachlor), allidochlor (allidochlor), alloxydimsodium (alloxydim), ametryn (ametryn), amicarbazone (amicarbazone), amidosulfuron (amidosulfuron), chlorine Fampridine acid (aminopyralid), Amrol (amitrole), Amcide Ammate (ammonium sulfamate), ancymidol (ancymidol), anilofos (anilofos), sulphur grass clever (asulam), atrazine (atrazine), azafenidin (azafenidin), azimsulfuron (azimsulfuron), benfuresate (benfuresate), bensulfuron-methyl (bensulfuron), bentazone (bentazone), benzfendizone (benzfendizone), benzobicylon (benzobicyclon), benzofenap (benzofenap), fluorine sulfanilamide (SN) careless (benzofluor), fluorine benzofenap (bicyclopyrone), bispyribac-sodium (bispyribac-sodium), Brominal (bromoxynil), butachlor (butachlor), butafenacil (butafenacil), butralin (butralin), cafenstrole (cafenstrole), double acyls Careless amine (carbetamide), carfentrazone (carfentrazone), chlorimuronethyl (chlorimuron, chlorimuron- Ethyl), cycocel (chlormequat chloride), chlortoluron (chlorotoluron), chlorine sulphur are grand (chlorsulfuron), cinmethylin (cinmethylin), cinosulfuron (cinosulfuron), clethodim (clethodim), Clomazone (clomazone), clomeprop (clomeprop), clopyralid (clopyralid), cyanazine (cyanazine), cyclanilide (cyclanilide), AC322140 (cyclosulfamuron), cycloxydim (cycloxydim), KIH 6127 (cyhalofop-butyl), 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-sodium), oxazoles are grand for diflufenzopyr (dimefuron), dimepiperate (dimepiperate), dimethachlor (dimethachlor), dimethametryn (dimethametryn), diphenamide (diphenamid), dipropetryn (dipropetryn), diquat dibromide (diquat), enemy Careless grand (diuron), ethametsulfuron (ethametsulfuron, ethametsulfuron-methyl), ethephon (CEPHA),2-(chloroethyl) phosphonic acid (ethephon), ethidimuron (ethidimuron), ethoxysulfuron (ethoxysulfuron), ethobenzanid (etobenzanid), oxazoles diclofop-methyl (fenoxaprop), fenoxaprops (fenoxaprop-P), oxazole diclofop-methyls (fenoxaprop-ethyl), fentrazamide (fentrazamide), flazasulfuron (flazasulfuron), double fluorine sulphurs grass Amine (florasulam), fluazifop (fluazifop), efficient fluazifop (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), 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), Glufosinate-P- sodium salts (glufosinate-P- Sodium), glyphosate (glyphosate), glyphosate-isopropylammonium (glyphosate-isopropylammonium), fluorine nitre Sulfonamide (halosafen), halosulfuronmethyl (halosulfuron, halosulfuron-methyl), fluazifop-butyl (haloxyfop), smart fluazifop-butyl (haloxyfop-P), fluorine pyrrole second standing grain clever (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), imazapyr (imazapyr, imazapyr-isopropylammonium), imazaquin (imazaquin, imazaquin- Ammonium), imazethapyr (imazethapyr, imazethapyr-ammonium), imazosulfuron (imazosulfuron), inabenfide (inabenfide), indanofan (indanofan), iodine metsulfuron-methyl (iodosulfuron, Iodosulfuron-methyl-sodium), ioxynil (ioxynil), isoproturon (isoproturon), Yi Evil acyl grass amine (isoxaben), Yi Evil chlorine humulone (isoxachlortole), isoxaflutoles (isoxaflutole), Yi Evil grass ethers (isoxapyrifop), lactofen (lactofen), lenacil (lenacil), 2 methyl 4 chlorophenoxyacetic acid (MCPA), 2- first -4- chlorophenoxies butyric acid (MCPB), 2- first -4- chlorophenoxies methyl butyrates (MCPB-methyl), 2- first -4- Chlorophenoxy ethyl butyrate (MCPB-ethyl), 2- first -4- chlorophenoxies sodium butyrates (MCPB-sodium), 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), smart isopropyl first grass Amine (S-metolachlor), metosulam (metosulam), metoxuron (metoxuron), metribuzin (metribuzin), first Sulphur grand (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 grass amine (picolinafen), pinoxaden (pinoxaden), piperophos (piperophos), pretilachlor (pretilachlor), alkene Propyl benzene thiazole (probenazole), profluazol (profluazol), profluralin (prifluraline), clefoxidim (profoxydim), prometryn (prometryn), propanil (propanil), propazine (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 Careless ether (pyribambenz-propyl), KIH 6127 (pyribenzoxim), pyributicarb (pyributicarb), pyriftalid (pyriftalid), KIH 6127 (pyriminobac, pyriminobac-methyl), Nylar (pyrimisulfan), phonetic sulphur Careless ether (pyrithiobac, pyrithiobac-sodium), pyroxasulfone, pyroxsulam (pyroxsulam), two Chloro-quinolinic acid (quinchlorac), quinmerac (quinmerac), quizalofop-ethyl (quizalofop), Quizalotop-ethyl (quizalofop-P), Quizalotop-ethyl ethyl ester (quizalofop-P-ethyl), rimsulfuron (rimsulfuron), the phonetic sulphur of benzene Careless amine (saflufenacil), Zhong Dingtong (secbumeton), sethoxydim (sethoxydim), Tupersan (siduron), sulphur grass Ketone (sulcotrione), sulfentrazone (sulfentrazone), sulfometuronmethyl (sulfometuron, sulfometuron- Methyl), Thidiazuron (thidiazuron), thifensulfuronmethyl (thifensulfuron, thifensulfuron-methyl), standing grain Careless pellet (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 esters (triflusulfuron-methyl), trimeturon (trimeturon), TrinexAN_SNacethyl (trinexapac, trinexapac- Ethyl), tritosulfuron (tritosulfuron), tsitodef, uniconazole P (uniconazole).

Although the herbicide (A) and (B) show good or even enough selectivity, principle in a large amount of crops On, in some crops, particularly also when being mixed with other less herbicides of selectivity, it is possible that to crop plants Phytotoxicity.So it is especially to have comprising the Herbicidal combinations according to the present invention and the composition of one or more safeners Profit.The safener with detoxify effective dose use, such as economically important crop or fruit plantation (plantation make Thing) in reduce used in herbicide plant toxicity side effect.The economically important crop such as cereal is (wheat, barley, black Wheat, oat, corn, rice, broomcorn millet), sugar beet, sugarcane, rape, cotton, soybean, preferably cereal, specifically for rice.

For example be suitable for below safener compound group (including possible stereoisomer and agriculturally conventional ester or Salt)：Benoxacor (benoxacor), cloquitocet_mexyl (cloquintocet (- mexyl)), cyometrinil (cyometrinil), Cyprosulfamide, dichlormide (dichlormid), dicyclonon, o- phenyl phosphoric acid o, o- diethyl ester (dietholate), fenchlorazole (fenchlorazole (- ethyl)), fenclorim (fenclorim), the careless amine of solution (flurazole), fluxofenim (fluxofenim), Xie Cao oxazoles (furilazole), isoxadifen (isoxadifen (- Ethyl)), mefenpyrdiethyl (mefenpyr (- diethyl)), methyl carbamic acid 4- chlorobenzenes base ester (mephenate), naphthalene two Formic anhydride, oxabetrinil (oxabetrinil).

Some known safeners are used as herbicide, and correspondingly, in addition to having herbicide effect to noxious plant, also rise To the effect of cover crop plant.

The weight of Herbicidal combinations and safener than generally depending on the rate of application of herbicide and the effect of the safener, And can change in a wide range, such as 90000: 1 to 1: 5000, preferably 7000: 1 to 1: 1600, especially 3000: 1 to 1 : 500, more preferably 1:100 to 20:In the range of 1.Safener can be prepared with active component (A) and (B) with finished product preparation or with With the form supply and use of the tank mix of the Herbicidal combinations.

The Herbicidal combinations of the present invention are to the economically important unifacial leaf of wide range and dicotyledonous harmful plants' such as broad-leaved Weeds, grassy weed or sedge, including the species resistant to weeding active compound have excellent weeding Activity, the weeding active compound are such as glyphosate, Glufosinate, atrazine, imidazolinone herbicide, sulfonylurea.

The monocotyledon weed that can be prevented and treated by the Herbicidal combinations of the present invention that can be mentioned that and dicotyledonous weed flora group Some representational instantiations, but it is not limited to some kinds.

The example of the weed species of the herbicidal composition useful effect is, for example, in monocotyledon weed with subordinate, Such as Echinochloa (Echinochloa spp.), Panicum (Panicum spp.), Poa L. (Poa spp), Sprangletop (Leptochloa spp.), Brachiaria (Brachiaria spp.), knotgrass (Digitaria spp.), setaria (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.), eye Sub- Lepidium (Potamogeton spp.) etc. is all prevented and treated very well, particularly following kind：Water barnyard grass (Echinochloa Oryzicola), Monochoria vaginalis (Monochoria vaginalis), yak careless (Eleocharis acicularis), scouring rush's shape water chestnut Shepherd's purse (Eleocharis kuroguwai), difformed galingale herb (Cyperus difformis), Herba Cyperi Glomerati (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 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.), Vandellia (Lindernia spp.), false loosestrife Belong to (Ludwigia spp.), Oenanthe (Oenanthe spp.), Ranunculus (Ranunculus spp.), damp chilly category (Deinostema spp.) etc..Particularly such as following kind：Mexicana (Rotala indica), cusp flower (Sphenoclea zeylanica), Procumbent Falsepimpernel (Lindernia procumbens), false loosestrife (Ludwigia Prostrate), bog pondweed (Potamogeton distinctus), waterwort (Elatine triandra), Chinese celery (Oenanthe javanica)。

The active component (A) and (B) that the Herbicidal combinations of the present invention include effective dose have synergy.When common or several It can be observed to act synergistically when active component (A) and (B) is administered simultaneously；When applying active component respectively in the different time (A) and when (B), synergy is also observed that；Can also apply before sequential application (A) and (B), such as first bud then bud after apply With, or applied after first early stage bud, then applied after mid-term or later stage bud.It is preferably common herein or be almost administered simultaneously activity into Divide (A) and (B), and be particularly preferably co-administered.

A kind of method for preventing and treating undesirable plant, the active component (A) of the Herbicidal combinations of the present invention and (B) is common Or individually it is applied to the region of undesirable plant or undesirable plant growth.The undesirable plant be unifacial leaf, Broadleaf weed.

If the Herbicidal combinations of the present invention are applied into soil surface before germination, weeds seedling is entirely prevented to send out Bud, or weed growth is to cotyledon period, but then it just stops growing, and it is finally completely dead after two weeks to surrounding.

If the reactive compound to be applied to the green parts of plant after germination, growth equally can be after treatment Just drastically stop in the suitable short time, and the growth period when ruderal plant is maintained at time of application point, or it is in a timing Between after it is completely dead, so as to extremely early in this way and constantly eliminate competing as caused by the weeds for being harmful to crop plants Strive.For rice, the Herbicidal combinations can be also applied in water, then it is ingested by soil, bud and root.

When active component (A) and active component (B) are co-administered, chemiluminescence be present.Here, the composition Activity higher than apply each herbicidal activity expection summation.Synergy makes rate of application to reduce, and prevents and treats the wealthy of more wide range Leaf weeds, grassy weed and sedge, herbicide effect work faster, the duration it is longer, by only once or several times Preferably prevent and treat and can widen using the phase using just having to noxious plant.The dosage used in the Herbicidal combinations and change Compound (A) and (B) effective dose are all adjustable to relatively low level, so that its as little as optimum degree of effect to soil.This So that it can not only be applied to sensitive crop first, underground water pollution is also almost avoided.Herbicidal combinations of the present invention cause Rate of application significantly decreases needed for active component.

Above-mentioned characteristic and advantage are for control of weeds to keep agricultural/forestry/garden crop or greenery patches/meadow from not wishing The competitive plant of prestige, so as to be necessary from the angle of quality and quantity to ensure and/or increase yield level.With regard to the spy For property, this new Herbicidal combinations have significantly surmounted the state of the art of this area.

The present invention also provides the method that selectivity prevents and treats undesirable plant, preferably in crop plants, is particularly rice Undesirable plant is prevented and treated in crop, this method is included as the active component of Herbicidal combinations of the present invention (A) and (B), example As being applied to plant (such as noxious plant, such as unifacial leaf or dicotyledonous broad leaved weed, grassy weed, Sha together or separately Careless section plant or undesirable crop plants), seed (such as caryopsis, seed or vegetative propagation organ, such as stem tuber and with bud Branch portion), or it is applied to the region (such as region of cultivation, it can also be covered with water) of plant growth.A kind of herbicide can be Before another herbicide, the region (such as region of cultivation) of plant, seed or plant growth is applied to afterwards or concurrently.

Undesirable plant is understood to mean that the local all plants for being grown in and being not intended to its growth.These can be, For example, noxious plant (such as unifacial leaf or broadleaf weed, grassy weed, sedge or undesired crop are planted Thing), including for example to some weeding active compounds (such as glyphosate, Glufosinate, atrazine, imidazolinone herbicide, sulphur Ureide derivative) resistant those plants.

The Herbicidal combinations of the present invention are alternatively used for preventing and treating undesirable plant in following plant, such as crop is planted Thing such as crops, such as monocot crops, such as cereal (such as wheat, barley, rye, oat, rice, corn, broomcorn millet), or Dicotyledonous crops, such as sugar beet, sugarcane, rape, cotton, sunflower and legume, such as Glycine (such as soybean (Glycine max.), such as Non-transgenic soybean (such as conventional cultivation kind, such as STS cultigens) or genetically engineered soybean (such as RR soybean or LL soybean) and its cenospecies), Phaseolus (Phaseolus), Pisum (Pisum), Vetch (Vicia) and Arachis (Arachis), or the vegetable crop of various botany classifications, for example, potato, leek, cabbage, carrot, kind Eggplant, onion；In fruit plantation in (plantation crops), greenery patches, lawn and pastoral area；Or (such as occupied in non-crop area The square of settlement or industrial area, railroad track) on, particularly in rice crop.It is preferred that also to having sent out before noxious plant germination The noxious plant (such as broad leaved weed, grassy weed, sedge or undesirable crop plants) of bud is administered, and It is unrelated with the growth period of the crop of sowing/plantation.

Present invention also offers the Herbicidal combinations of the present invention to be used for the selective purposes for preventing and treating undesirable plant, preferably In crop plants, it is particularly in rice crop and prevents and treats undesirable plant.

The Herbicidal combinations of the present invention are highly applicable to optionally prevent and treat the noxious plant in rice crop.The rice Crop is included in the form that is possible to of most diverse Rice under Condition strain cultivation, such as dry land cultivation, nonirrigated farmland cultivation or paddy field Cultivate, wherein it can be natural (rainfall) and/or artificial (pouring, flood irrigation) to irrigate.Rice for this purpose can be normal The seed (being obtained by mutation or transgenosis) of the tolerance of the seed cultivated, hybrid seed or resistant-at least is advised, it can be by Indica type or round-grained rice type kind or its cenospecies are derived.

Can be by being usually used in the various application processes of rice herbicide come using the Herbicidal combinations of the present invention.Particularly preferably Ground, it is applied by spraying and/or applied by impregnating to apply.In dipping is applied, during administration, the water in paddy field had covered ground Face is up to 3-20cm.Then the Herbicidal combinations of the present invention are placed directly within the water in paddy field.Worldwide, spraying is applied With the rice for being mainly used in directly sowing, and impregnate the rice applied and be mainly used in transplanting.

The Herbicidal combinations of the present invention can be formulated as example single component-if appropriate by known method, with other work Property compound, additive and/or common dosage forms auxiliary agent-mix preparation, then said composition is diluted with water in a usual manner After apply；Or by the way that the independent each component prepared or partly individually prepared is diluted to be formulated as a barrel mix formulation jointly with water. The each component that can be individually prepared with separate administration or partly individually prepared.Also more parts can be divided to use the herbicide or weeding Composition (sequential application), for example, first seed dressing apply or sowing before/plantation pre-treatment or bud before apply followed by carry out bud after Using or early stage bud after apply, applied after then carrying out mid-term or later stage bud.Preferably it is used in conjunction with or almost while uses herein The reactive compound of the composition, is particularly preferably used in conjunction with.

The active component (A) and (B) can jointly or respectively be converted into conventional formulation, such as wettable powder, breast Oil, suspending agent, microcapsules, microemulsion, aqueous emulsion, suspension emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent, ultra-low volume liquid Agent, with reactive compound impregnate natural and synthetic material and polymeric material in microcapsules.Also can be mentioned that dedicated for Cultivate the preparation of rice, such as disseminating with granule, especially big of dissolving and be distributed by rice terrace water again is applied by shaking bottle Granule, floating particle agent, floating suspension emulsion.The preparation can include conven-tional adjuvants and additive.

These preparations are prepared in known manner, such as by the way that the reactive compound is mixed, optionally with filler Prepared using surfactant.

If filler used is water, such as organic solvent also can be used as secondary solvent.Main suitable liquid Solvent is：Aromatic compounds, such as dimethylbenzene, toluene or alkylnaphthalene；Chlorinated aromatic hydrocarbons and chlorinated aliphatic hydrocarbons, such as chlorobenzene, chloroethene Alkene or dichloromethane；Aliphatic hydrocarbon, such as hexamethylene or paraffin, such as mineral oil fractions, mineral oil and vegetable oil；Alcohols, such as fourth Alcohol or ethylene glycol and its ether and ester；Ketone, such as acetone, methyl ethyl ketone, methyl iso-butyl ketone (MIBK) or cyclohexanone；It is highly polar molten Agent, such as dimethylformamide and dimethyl sulfoxide (DMSO), Yi Jishui.

Suitable solid carrier is：Such as ammonium salt and crush natural minerals, such as kaolin, clay, talcum, chalk, Quartz, attapulgite, montmorillonite or diatomite；With the synthetic mineral of crushing, such as high dispersive silica, aluminum oxide and silicic acid Salt；Solid carrier suitable for granule is：Such as the natural crystal for crushing and being classified, such as calcite, marble, float stone, Sepiolite and dolomite, and the synthesis particle of inorganic and organic powder, and organic material (such as sawdust, coconut husk, corncob and Tobacco rods) particle.

Suitable surfactant is：Such as nonionic and anion emulsifier, such as polyoxyethylene fatty acid ester, polyoxy Ethene fatty alcohol ether, such as alkylaryl polyglycol ether, alkylsulfonate, alkyl sulfate, arylsulphonate, and albumen Matter hydrolysate；Suitable dispersant is：Such as lignin sulfite and methylcellulose.

Tackifier, such as carboxymethyl cellulose can be used in the preparation；The natural and conjunction of powder, particle or latex form Into polymer, such as gum arabic, polyvinyl alcohol and polyvinyl acetate；And natural phospholipid, such as cephalin and lecithin Fat and synthetic phospholipid.Other possible additives are mineral oil and vegetable oil.

It can be used colouring agent, such as inorganic pigment, such as iron oxide, titanium oxide and Prussian blue；And toner, such as Alizarin colouring agent, azo colouring agent and metal phthalocyanine colouring agent；And micronutrient, such as molysite, manganese salt, boron salt, mantoquita, Cobalt salt, molybdenum salt and zinc salt.

In the Herbicidal combinations, active component (A) and (B) content account for the 5%-90% of the Herbicidal combinations, preferably 10%-80%, more preferably 20%-60%.

Active component (A) and (B) can also be using itself or as (such as known with other agricultural chemical activity compounds Herbicide) dosage form of mixing is used to prevent and treat undesirable plant, such as is not intended to for controlling weeds or for preventing and treating Crop plants, or such as finished product preparation or tank mix.

Active component (A) and (B) can with itself, its dosage form or by further diluting prepared therefrom use shape Formula uses, such as ready to use solution, suspending agent, emulsion, pulvis, paste and granule.Usual manner-such as can be used by pouring, Spray, be atomized or broadcast sowing-use them.

The reactive compound can be applied to plant (such as noxious plant, such as unifacial leaf or dicotyledonous broad leaved weed, standing grain Undergraduate course weeds, sedge or undesired crop plants), seed (such as caryopsis, seed or vegetative propagation organ, such as Stem tuber or the branch portion with bud) or cultural area (such as soil), be preferably applied to green plants and plant parts and, if Properly, additionally it is applied to soil.A kind of possible use is that the reactive compound is co-administered in the form of tank mix, its The concentrate formulation of the middle optimal preparation by each reactive compound mixes together with water in groove, then using gained flushing liquor.

There is the form for being more easy to use according to the joint herbicidal formulations of the Herbicidal combinations of the present invention, because the component Amount has been optimal proportion.In addition, the auxiliary agent in preparation can each other be adjusted and optimized.

Example of formulations

Embodiment 1：The KIH 6127 oil-suspending agent of 25% promazine Sulfometuron Methyl+1%

Promazine Sulfometuron Methyl 25%

KIH 6127 1%

Methyl naphthalene sulfonate formaldehyde condensate 10%

Bentonite 1%

Glycerine 5%

Methyl oleate complements to 100%

The each components such as active component, dispersant, wetting agent and corn oil are well mixed according to the ratio of formula, it is ground And/or the KIH 6127 oil-suspending agent of 25% promazine Sulfometuron Methyl+1% is obtained after high speed shear.

The KIH 6127 wettable powder of 2 10 % promazines Sulfometuron Methyl of embodiment+2%

Promazine Sulfometuron Methyl 2%

Lauryl sodium sulfate 10%

Sodium lignin sulfonate 5%

Kaolin complements to 100%

Active component, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating, i.e., Obtain the KIH 6127 wettable powder of 10% promazine Sulfometuron Methyl+2%.

The KIH 6127 wettable powder of 3 1% promazine Sulfometuron Methyl of embodiment+50%

Promazine Sulfometuron Methyl 1%

KIH 6127 50%

Calcium dodecyl benzene sulfonate 1%

Sodium lignin sulfonate 2%

White carbon supply is to 100%

Active component, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating, i.e., Obtain the KIH 6127 wettable powder of 1% promazine Sulfometuron Methyl+50%.

The KIH 6127 water dispersible granules of 4 0.1% promazine Sulfometuron Methyl of embodiment+1%

Promazine Sulfometuron Methyl 0.1%

KIH 6127 1%

Sodium lignin sulfonate 4%

Lauryl sodium sulfate 5%

Urea 5%

Kaolin complements to 100%

Active component, dispersant, wetting agent, disintegrant and filler are well mixed in the ratio of formula, by air-flow powder Wettable powder is broken into, a certain amount of water mixing extruding is added and makes material.0.1% promazine Sulfometuron Methyl+1% is obtained after drying and sieving KIH 6127 water dispersible granules.

The KIH 6127 missible oil of 5 5% promazine Sulfometuron Methyl of embodiment+0.1%

Promazine Sulfometuron Methyl 5%

KIH 6127 0.1%

Ethoxylated castor oil 5%

Calcium dodecyl benzene sulfonate 3%

Dimethyl sulfoxide (DMSO) complements to 100%

Mentioned component is proportionally prepared, is uniformly mixing to obtain homogeneous phase.

The KIH 6127 oil suspension emulsion of 6 10% promazine Sulfometuron Methyl of embodiment+0.1%

Promazine Sulfometuron Methyl 10%

KIH 6127 0.1%

Methyl naphthalene sulfonate formaldehyde condensate 5%

Ethoxylated castor oil 3%

Bentonite 1%

Aromatic solvent 100 20%

Soybean oil complements to 100%

By promazine Sulfometuron Methyl, methyl naphthalene sulfonate formaldehyde condensate is ground and/or high speed shear after obtain the phonetic sulphur of promazine Grand oil-suspending agent；KIH 6127, aromatic solvent 100, ethoxylated castor oil are mixed evenly to obtain the missible oil of KIH 6127；Will Obtained KIH 6127 missible oil is added in promazine Sulfometuron Methyl oil-suspending agent, obtains the KIH 6127 suspension emulsion of 10% promazine Sulfometuron Methyl+0.1%.

The KIH 6127 wettable powder of 7 25% promazine Sulfometuron Methyl of embodiment+1%

Promazine Sulfometuron Methyl 25%

KIH 6127 1%

Lauryl sodium sulfate 10%

Sodium lignin sulfonate 5%

White carbon 10%

Kaolin complements to 100%

Said components are mixed in proportion, and grinds, crush, are prepared into wettable powder.

The KIH 6127 water dispersible granules of 8 40% promazine Sulfometuron Methyl of embodiment+4%

Promazine Sulfometuron Methyl 40%

KIH 6127 4%

MODIFIED LIGNOSULPHONATE 5%

Lauryl sodium sulfate 5%

Urea 5%

Kaolin complements to 100%

Promazine Sulfometuron Methyl active component, dispersant, wetting agent, disintegrant and filler are well mixed in the ratio of formula, By air-flow crushing into wettable powder；KIH 6127 is added to be well mixed；Add a certain amount of water mixing extruding and make material. The KIH 6127 water dispersible granules of 40% promazine Sulfometuron Methyl+4% are obtained after drying and sieving.

The KIH 6127 suspension emulsion of 9 2% promazine Sulfometuron Methyl of embodiment+50%

Oil phase：

Promazine Sulfometuron Methyl 2%

1-METHYLPYRROLIDONE 10%

Ethoxylated castor oil 5%

Aqueous phase：

KIH 6127 50%

MODIFIED LIGNOSULPHONATE 1%

Water complements to 100%

Promazine Sulfometuron Methyl is dissolved in 1-METHYLPYRROLIDONE, ethoxylated castor oil is added and obtains oil phase；According to KIH 6127, MODIFIED LIGNOSULPHONATE and water, sand milling are obtained the suspension aqueous phase of KIH 6127 by side；Oil phase is added under agitation Aqueous phase obtains suspension emulsion.

The KIH 6127 wettable powder of 10 10% promazine Sulfometuron Methyl of embodiment+10%

Promazine Sulfometuron Methyl 10%

KIH 6127 10%

Sodium lignin sulfonate 1%

NaLS 2%

The silicic acid 1% of high degree of dispersion

Kaolin complements to 100%

The KIH 6127 coated granule of 11 1% promazine Sulfometuron Methyl of embodiment+25%

Promazine Sulfometuron Methyl 1%

KIH 6127 25%

Polyethylene glycol 3%

Calcium carbonate complements to 100%

In a mixer, by levigate active component even spread to the carrier soaked by polyethylene glycol.In this way Dust-free coated granules agent can be obtained.

The KIH 6127 wettable powder of 12 1% promazine Sulfometuron Methyl of embodiment+5%

Promazine Sulfometuron Methyl 1%

KIH 6127 5%

Lauryl sodium sulfate 1%

Sodium lignin sulfonate 1%

White Carbon black complements to 100%

The KIH 6127 of 13 5% promazine Sulfometuron Methyl of embodiment+5% extrudes granule

Promazine Sulfometuron Methyl 20%

KIH 6127 10%

Sodium lignin sulfonate 4%

Carboxymethyl cellulose 2%

Kaolin complements to 100%

Active component is mixed and ground with auxiliary agent, mixture is soaked with water.The mixture is extruded, then in air stream Middle drying.

The KIH 6127 microcapsule suspension-suspendinagent agent of 14 0.1% promazine Sulfometuron Methyl of embodiment+10%

ATLOX^TM4913 4%

Citric acid 0.05%

Catalyst 0.1%

Water 13%

KIH 6127 10%

PAPI 1.35%

SOLVESSO^TM200 10%

ATLOX^TM4913 16%

Dispersant LFH 0.3%

Defoamer 0.16%

Urea 8.4%

Promazine Sulfometuron Methyl 0.1%

Water complements to 100%

By poly methylene poly phenyl poly isocyanate（PAPI）, promazine Sulfometuron Methyl, SOLVESSO^TM200 oil phases formed add Enter to contain ATLOX^TMIn 4913 aqueous solution, emulsion is formed.Then heat and be incubated 50^oIt is small that catalyst reaction 2 is added under C When.The microcapsules of promazine Sulfometuron Methyl is obtained after cooling.

ATLOX^TM4913, dispersant LFH, defoamer, urea, KIH 6127 and water mix in proportion, and through sand Mill, is prepared into suspending agent.

Obtained promazine Sulfometuron Methyl microcapsules is added in the suspending agent of KIH 6127, it is phonetic to be uniformly mixing to obtain 0.1% promazine Grand+10% KIH 6127 microcapsule suspension-suspendinagent agent of sulphur.

The KIH 6127 suspended emulsion of 15 2% promazine Sulfometuron Methyl of embodiment+3%

Promazine Sulfometuron Methyl 2%

KIH 6127 3%

SOLVESSO ^TM200 10%

Ethoxylated castor oil 4%

AEO sulfosuccinic acid monoesters disodium 5%

MODIFIED LIGNOSULPHONATE 5%

Xanthans 1%

Bentonite 1%

Glycerine 5%

Water complements to 100%

KIH 6127 is dissolved in SOLVESSO^TMIn 200, ethoxylated castor oil is added, obtains the missible oil of KIH 6127；

By promazine Sulfometuron Methyl, AEO sulfosuccinic acid monoesters disodium, above-mentioned each component mixes in proportion Uniformly, and through being sanded, it is prepared into suspending agent.

Oil phase containing KIH 6127 is added in the suspending agent of the Sulfometuron Methyl containing promazine, obtains suspended emulsion.

The KIH 6127 missible oil of 16 10% promazine Sulfometuron Methyl of embodiment+2%

Promazine Sulfometuron Methyl 10%

KIH 6127 2%

Ethoxylated castor oil 5%

Calcium dodecyl benzene sulfonate 3%

SOLVESSO ^TM200 complement to 100%

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

The KIH 6127 suspending agent of 17 20% promazine Sulfometuron Methyl of embodiment+40%

Promazine Sulfometuron Methyl 20%

KIH 6127 40%

AEO sulfosuccinic acid monoesters disodium 10%

MODIFIED LIGNOSULPHONATE 5%

Xanthans 1%

Bentonite 1%

Glycerine 5%

Water complements to 100%

Each component mixes in proportion, and through being sanded, is prepared into suspending agent.

The KIH 6127 wettable powder of 18 40% promazine Sulfometuron Methyl of embodiment+50%

Promazine Sulfometuron Methyl 40%

KIH 6127 50%

Sodium lignin sulfonate 1%

NaLS 2%

Kaolin complements to 100%

The KIH 6127 water dispersible granules of 19 20% promazine Sulfometuron Methyl of embodiment+60%

Promazine Sulfometuron Methyl 20%

KIH 6127 60%

MODIFIED LIGNOSULPHONATE 5%

Lauryl sodium sulfate 5%

Urea 5%

Kaolin complements to 100%

Active component, dispersant, wetting agent and filler are well mixed in the ratio of formula, by air-flow crushing into wettable Property pulvis；Add a certain amount of water mixing extruding and make material.The KIH 6127 water of 20% promazine Sulfometuron Methyl+60% is obtained after drying and sieving Dispersible granule.

The KIH 6127 of 20 40% promazine Sulfometuron Methyl of embodiment+60%

Promazine Sulfometuron Methyl 40%

KIH 6127 60%

Promazine Sulfometuron Methyl, KIH 6127 are proportionally well mixed.

The isoxadifen of+60% KIH 6127 of 21 20% promazine Sulfometuron Methyl of embodiment+20%

Promazine Sulfometuron Methyl 20%

KIH 6127 60%

Isoxadifen 20%

Promazine Sulfometuron Methyl, KIH 6127, isoxadifen are proportionally well mixed.

Proportioning is weight per distribution ratio in above example.

Biological examples

Pre-emergence test：

Under greenhouse experiment, test plant is seeded in seedling alms bowl.Cultivation matrix is used as using standard soil.The rank before bud Section, herbicide individually or is in combination administered to soil surface.It is true that dosage depends on the institute under field or greenhouse experiment Fixed optium concentration.The evaluation test after 2 ~ 4 weeks（100% effect=plant is completely dead；0% effect=plant-less toxicity effect）. The combination of promazine Sulfometuron Methyl and penoxsuam is shown than more preferable preventive effect is administered alone in this test, and display is substantially Synergistic effect.

When the herbicide of the present invention is applied before rudiment, weeds emergence or weed growth can be entirely prevented right to cotyledon period After stop growing and completely dead after 3 ~ 4 weeks.

Acted on after the bud of weeding

Method

It is (straight that unifacial leaf and dicotyledonous harmful plants and rice paddy seed or rhizome are placed in the peat basin equipped with sandy loam Footpath 4cm) in, then covered with soil.Peat basin is maintained in greenhouse under optimum condition.In addition, it will be run into rice cultivating Noxious plant cultivate in peat basin, and make the water surface higher 2cm than soil surface.

Cultivation start after about 3 weeks, in the 1 leaf phase to 3 leaf phases handle test plants.In order to further cultivate plant, then Peat basin is maintained in greenhouse under optimum condition.Three kinds of reagents are prepared according to constant weight percentage：1st, the phonetic sulphur of promazine It is grand；2nd, KIH 6127；3rd, promazine Sulfometuron Methyl+KIH 6127.Above-mentioned each reagent is diluted with water afterwards, obtains medicament dilution.

The visual score of herbicidal effect is up under the time interval of 21 days and carried out after the treatment.Scoring is with not locating The percentage that the check plant of reason is compared is carried out.0%=is without activity of weeding, the complete activity of weeding of 100%==kill completely Extremely.

When the effect of active compound combinations exceedes the summation of the effect when each reactive compound is administered alone, deposit In synergistic function.So-called " Colby formula " (ginseng can be used in the predictive role of the particular combination of two kinds of reactive compounds See S.R. Colby, " Calculating Synergistic and Antagonistic Responses of Herbicide Combinations ", Weeds 1967,15,20-22) calculate:

E=A+B- (A × B/100)

Herein：

A, B=component A and B are respectively when dosage is a g ai/ha (=g active materials/hectare) and b g ai/ha with hundred Divide the activity than meter.

Desired values of the E=when dosage is a+b g ai/ha in percentage.

As a result

According to the present invention herbicide (A) and (B) composition be directed to following wide spectrum important noxious plant (grass family is miscellaneous Grass, broad leaved weed, sedge) and useful plant tested：Moleplant seed（Leptochloachinensis）, chickweed (Stellaria media), Amaranthus retroflexus (Amaranthus retroflexus), green bristlegrass (Setaria viridis), volume stem Knotweed (Fallopia (ex Polygonum) Convolvulus), barnyard grass (Echinochloa crusgalli), piemarker (Abuthilon theophrasti), rice (Oryza sativa), angustifolia arrowhead herb（Sagittariatrifolia）, rhizoma alismatis （Oriental Waterplantain Rhizome）, Monochoria vaginalis（Herb of Pygmy Arrowhead）, Monochoria korsakowii （Monochoria korsakowii）, Procumbent Falsepimpernel（Lindernia procumbens）, firefly Lin（Scirpus juncoides Roxb）, difformed galingale herb（Cyperus difformis L）.

To barnyard grass (Echinochloa crusgalli) preventive effect

To moleplant seed (（Leptochloachinensis）) preventive effect

To Monochoria vaginalis（Herb of Pygmy Arrowhead）Preventive effect

To difformed galingale herb（Cyperus difformis L）Preventive effect

In summary, promazine Sulfometuron Methyl and KIH 6127 binary built, applied to rice, rice terrace one can effectively be controlled Year raw grassy weed, sedge weed and broad leaved weed.According to result of the test as can be seen that promazine Sulfometuron Methyl and KIH 6127 group Substantially promazine Sulfometuron Methyl or KIH 6127 is relatively administered alone more preferably in the herbicidal effect of conjunction, possesses obvious gain effect, and low Higher activity of weeding is kept under the active ingredient of usage amount；In addition, two kinds of herbicidal constituents are compared with any of which composition list For solely applying, there is wider array of herbicide controlling spectrum, available for the comprehensive regulation of weeds, special antagonism weed control effect is dashed forward.This The Herbicidal combinations of invention are with single compound phase than reducing the infringement to crop plants.

Safety effect

Under greenhouse experiment, test plant is grown to the 4- leaf phases in plastic tank.It is in this stage, single promazine is phonetic Sulphur is grand, the composition of promazine Sulfometuron Methyl and safener, and promazine Sulfometuron Methyl and KIH 6127 or promazine Sulfometuron Methyl and KIH 6127 and The mixture of material together as safener test is administered to test plant.It is administered using the aqueous solution of test substances. After 3 weeks, evaluation herbicide is measured to crop such as rice crops toxicity using percentage.100% represents that test plant is completely dead Die, 0% represents plant-less toxicity effect.

It has been had been surprisingly found that, specific safener is applied to the Herbicidal combinations mixing of the present invention.Therefore, the invention further relates to A kind of selective herbicidal composition for being used for selectivity and preventing and treating the weeds in useful plants particularly rice crops, said composition contain Promazine Sulfometuron Methyl, KIH 6127, and selected from foregoing benoxacor, fenclorim, dichlormide, mefenpyrdiethyl, isoxadifen Deng safener, said composition can protect useful plants（Rather than weeds）From the phytotoxic effects of herbicide, further relate to described The application of weeds of the composition in useful plants crop is prevented and treated.

Claims

1. a kind of application of Herbicidal combinations on undesirable plant is prevented and kill off, the Herbicidal combinations include active component (A) (B), wherein (A) is the compound described by formula (A)：

（A）

And (B) is the compound described by formula (B)：

8M%XCKQX[P2JZ40Q@L2(X{7 (B)

The active component (A) and the weight ratio (A) of (B): (B) is 100: 1 to 1：100, the undesirable plant is a thousand pieces of gold Son, Monochoria vaginalis, difformed galingale herb.

2. application according to claim 1, it is characterised in that active component (A) and the weight ratio (A) of (B): (B) is 50: 1 to 1：50.

3. application according to claim 1, it is characterised in that active component (A) and the weight ratio (A) of (B): (B) is 25: 1 to 1：25.

4. application according to claim 1, it is characterised in that active component (A) and the weight ratio (A) of (B): (B) is 10: 1 to 1：10.

5. application according to claim 1, it is characterised in that active component (A) and the weight ratio (A) of (B): (B) is 5: 1 To 1：5.

6. application according to claim 1, it is characterised in that the Herbicidal combinations also include filler and/or surface Activating agent.

7. application according to claim 1, it is characterised in that the Herbicidal combinations, its formulation are wettable powder, breast Oil, suspending agent, microcapsules, microemulsion, aqueous emulsion, suspension emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent, ultra-low volume liquid Agent.

8. application according to claim 1, it is characterised in that active component (A) and the content of (B) account for the Herbicidal combination The 5%-90% of thing.

9. application according to claim 1, it is characterised in that active component (A) and the content of (B) account for the Herbicidal combination The 10%-80% of thing.

10. application according to claim 1, it is characterised in that active component (A) and the content of (B) account for the weeding group The 20%-60% of compound.

11. application according to claim 1, it is characterised in that the Herbicidal combinations prevent and kill off wheat, corn and soybean, Sugar beet, sugarcane, cotton, rice, flax, barley, oat, rye, triticale, rape, potato, broomcorn millet, herbage, greenery patches or Application in lawn, in the Zhong Huofei crop areas of fruit plantation on undesirable plant.

12. application according to claim 1, it is characterised in that the active component (A) of described Herbicidal combinations and (B) Collectively or individually it is applied to undesirable plant or is not intended to the region of the growth of plant.