CN109077059A - Synergistic herbicide compositions - Google Patents

Synergistic herbicide compositions Download PDF

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Publication number
CN109077059A
CN109077059A CN201811175059.9A CN201811175059A CN109077059A CN 109077059 A CN109077059 A CN 109077059A CN 201811175059 A CN201811175059 A CN 201811175059A CN 109077059 A CN109077059 A CN 109077059A
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herbicidal
herbicide
weeds
herbicidal combinations
active
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金都淳
李钟南
黄基焕
具石镇
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LG Chem Ltd
LG Corp
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LG Chemical Co Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/04—Sulfonic acids; Derivatives thereof
    • A01N41/06—Sulfonic acid amides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The present invention relates to a kind of Synergistic herbicide compositions, contain N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl] -2- [the fluoro- 1- of 2- (methoxy carbonyloxy group) propyl] -3- pyridine sulfonamide or N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl] -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyridine sulfonamide and other herbicidal active compounds are as active constituent.The synergistic effect generated due to two kinds of herbicidal active components with different physiological function or different activity of weeding of mixing, Herbicidal combinations of the invention can increase the herbicide action to most of weeds, and can reduce the effective ingredient consumption of unit area.

Description

Synergistic herbicide compositions
The application is the Chinese invention patent application No.201410693433.X of entitled " Synergistic herbicide compositions " Divisional application, the applying date is on December 16th, 2005, and priority date is on December 17th, 2004.
The present invention relates to a kind of Synergistic herbicide compositions, and containing following formula (1) compound N -, [[(4,6- dimethoxy -2- are phonetic Piperidinyl) amino] carbonyl] -2- [the fluoro- 1- of 2- (methoxy carbonyloxy group) propyl] -3- pyridine sulfonamide or following formula (2) compound N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl] -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyridine sulfonamide and tool There are other herbicidal active compounds of the physiological function or different activity of weeding different from formula (1) or (2) compound, feature exists In compared with single agents, activity of weeding increases, and herbicidal spectrum is widened, and saves the dosage of active constituent.In particular, the present invention relates to And a kind of Herbicidal combinations, contain formula (1) or (2) compound and one or more selected from photosynthesis inhibitor bentazone, former porphin The other active components of quinoline original IX oxidase inhibitor carfentrazoneethyl and auxin type herbicide, it is characterised in that perennial miscellaneous Grass and the collaboration enhancing of sulfonylurea herbicide-resistant weed activity of weeding are avoided to gramineae weed especially Echinochloa prevention and treatment Antagonism is allowed to minimize, and improves the safety to rice foliar spray.
Background technique
The present invention relates to a kind of Synergistic herbicide compositions, contain N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl Base] -2- [the fluoro- 1- of 2- (methoxy carbonyloxy group) propyl] -3- pyridine sulfonamide or N- [[(4,6- dimethoxy -2- pyrimidine Base) amino] carbonyl] and -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyridine sulfonamide and other herbicidal active compounds as activity at Point.
In planting industry, prevention and treatment inhibits plant growth and the weeds for causing yield to reduce and cover crop are critically important. In order to reduce the loss as caused by the weeds in arable farming, such as growing difference or crop yield is reduced, and is had now been developed The weeds and the herbicidal active component to crop safety can be effectively prevented.Up to the present, there is the weeding largely developed Registered and for preventing and treating certain crops the weeds of agent.Herbicide for preventing and treating the weeds in specific arable farming should have foot Enough high activity of weeding and wide herbicidal spectrum, and response environment and crop safe enough.However, not every herbicide Above-mentioned requirements can be fully met.
The method of most-often used increase activity of weeding and the herbicidal spectrum for widening existing herbicide is that have two or more There are the herbicidal active compounds of different activity of weeding to mix.If mixing two or more herbicidal active compounds, may show The herbicide action outstanding than individual herbicide application (singly applying).In this way, the effect of the mixture when two or more ingredients Greater than each ingredient expection effort levels when, we term it " synergistic effects ".However, described two or a variety of activity of weeding objects Synergistic effect present in the Herbicidal mixture of matter is only visible in some circumstances.Due to herbicidal performance, absorptivity, transfer, generation The difference of thank etc., activity of weeding singly the applying lower than each ingredient of most of mixtures." antagonism " indicates such feelings The herbicide action of the shape i.e. mixture of two or more herbicidal active compounds is singly applied lower than each ingredient." addition " indicates this The herbicide action of the situation of the sample i.e. mixture of two or more herbicidal active compounds is identical as singly applying for each ingredient.
Meanwhile Korean Patent KR10-0399366 (application number 10-2000-0059990) discloses a kind of sulfonylureas weeding The herbicidal active compounds of agent, following formula (1) compound [ISO suggests name: flucetosulfuron].
The known flucetosulfuron soil apply or foliar spray in rice, wheat, barley (optimum amount: 10-40g effective component/ Ha) and gramineae plant (optimum amount: 50-200g effective component/ha) is safe and miscellaneous to a variety of weed species such as broad-leaved Grass, gramineae weed (Gramineae), sedge weed (Cyperaceae), annual and perennial weeds etc. have outstanding Control of weeds effect.
Korean Patent KR10-0107924 (application number 10-1993-0006915) discloses another sulfonylurea herbicide and removes Careless active material, following formula (2) compound N-[[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl] -2- [fluoro- 1- (hydroxyl of 2- Base) propyl] -3- pyridine sulfonamide:
Known above compound can effectively prevent unifacial leaf or broadleaf weed such as barnyard grass (Echinochloa crus- Galli), Monochoria vaginalis (Monochoria vaginalis) or short arrowhead (Sagittaria pygmaea), and to rice safety.
However, N- [[(4,6- dimethoxy -2- pyrimidine radicals) ammonia of the flucetosulfuron and formula (2) when formula (1) has been reported Base] carbonyl] for -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyridine sulfonamide when being applied to rice field by foliar spray and soil, they are right Some gramineae weeds；The Monochoria vaginalis that is developed due to long-term continuous administration sulfonylurea herbicide, firefly Lin (Scirpus Juncoides), sulfonylurea herbicide-resistance ecotype in Vandellia and difformed galingale herb (Cyperus difformis)； With some perennial weeds such as Eleocharis kuroguwai, Herba Cyperi Glomerati, wild arrowhead (Sagittaria trifolia) etc. Herbicide action is low.Moreover, they are to for example big fringe amur foxtail of some gramineae weeds when being used for wheat or barley field by foliar spray (Alopecurs myosuroides), Poa L. etc. and broadleaf weeds such as Veronica persica (Veronica persica) It is low with the arable land herbicide action of violet.In addition, they are to Veronica persica and annual bluegrass (Poa in the control of weeds of turf Annua herbicide action) is low.
Photosynthesis inhibitor is the electron transmission in a kind of photosynthesis by interfering or blocking plant to inhibit photosynthetic Effect shows the herbicide of its activity of weeding, is mainly absorbed by leaf processed.This herbicide shows speed in region processed Effect, since it is safer to gramineous crop, is frequently used for rice, wheat and barley.Bentazone, a kind of representative photosynthesis suppression Preparation herbicide is mainly widely used in wheat, barley and rice by foliar spray, and soil, which is applied, is only used for rice.Bentazone cannot in singly applying Gramineae weed is prevented and treated, therefore is only used for prevention and treatment broadleaf weeds.However, in order to prevent and treat gramineae weed, especially barnyard grass, bentazone Often with kill grass family agent and be used in mixed way, it is described kill grass family agent be for the prevention and treatment particularly effective herbicide of gramineae weed such as Acetyl-CoA carboxylase inhibitor (inhibits the herbicide of acetyl-CoA carboxylase, acetyl coenzyme A is a kind of fatty acid biological conjunction Important enzyme in, also referred to as ACC enzyme inhibitor, are chemically divided into aryloxyphenoxypropionic and cyclohexanedione, wherein cyanogen fluorine Careless ester etc. belongs to the former, and methoxyphenone belongs to the latter).Its representative example is the mixture of bentazone and cyhalofop-butyl.When killing standing grain Undergraduate course agent such as cyhalofop-butyl are in singly applying in use, it has good prevention effect to gramineae weed.However, killing grass family agent When being used in mixed way such as cyhalofop-butyl and bentazone, due to antagonism, herbicide action often significantly lower than singly applies (Weed Technol.9,741(1995)).Therefore, directly mixing is often subject to limit, or cannot sufficiently obtain the pre- of the mixture Phase effect.
The example of the mixture of the display antagonism of another report is when photosynthesis inhibitor propanil and acetolactic acid [Pesticide Biochemistry and Physiology, Volume when synthetase inhibitors pyribenzoxim is used together 67,Number 1,May 2000,pp46-53(8)].In general, the representative example for the antagonism often reported is to work as Contact-type herbicide such as photosynthesis inhibitor includes bentazone or propanil or protogen IX oxidase inhibitor includes oxazolone grass Ester includes cyhalofop-butyl or inhibitor of acetolactate synthetase [suppression with systemic herbicide such as acetyl-CoA carboxylase inhibitor The herbicide of acetolactate synthestase (ALS) processed, acetolactate synthestase are a kind of in the biosynthesis of branched-chain amino acid Important enzyme is chemically divided into sulfonylurea, imidazolone type, triazolo pyrimidine class and pyrimidine radicals (thio) benzoates, Middle flucetosulfuron belongs to sulfonylureas] it include flucetosulfuron (Weed Science, 1989, Vol.37, No.3, pp.400-404) mixed It closes in use, this is the major limitation of split hair mixture.
The herbicide for belonging to protogen IX oxidase inhibitor is related to the protoporphyrin of chloroplaset biosynthesis by inhibiting Former IX oxidizing ferment shows its activity of weeding, is mainly absorbed by leaf processed, plays its herbicide effect.This herbicide display speed Effect, but (phytotoxicity) may be damaged to crop when spraying by foliar spray, therefore it can apply herbicide as leaf portion Development be restricted.In particular, carfentrazoneethyl is due to above-mentioned damage and weeding can be applied for the leaf portion of rice by being difficult to develop into Agent.In addition, carfentrazoneethyl is especially low to the effect of gramineae weed especially barnyard grass, it is therefore desirable to which mixing with other herbicides makes With.However, due to antagonism, the herbicide action of carfentrazoneethyl is often less than its list when being used in mixed way with other herbicides Apply (Arkansas Agricultural Experiment Station, B.R.Wells Rice Research Studies 2001, pp.65-69), therefore its development is restricted for mixture.
Auxin herbicide and plant hormone auxin have similar physiological function, but are more than that certain concentration can be done The physiological function of plant is disturbed, to show its activity of weeding.Auxin herbicide is widely used in controlling weeds, especially Broadleaf weeds.However, 4-D, MCPA, MCPB etc. are applied to rice by foliar spray or soil when this auxin herbicide is especially 2 When, if spraying time is incorrect or dosage is more than optimum amount, it is known that can cause serious harm to rice, it is sufficient to yield be caused to drop It is low.For example, for 2,4-D, it is proposed that during productive tiller stage to panicle initially forms most with 280g effective component/ha Good dosage use (Korean Crop Protection Association, 2004, Pesticide Use Manual, 741p).Since the rice damages, the development although auxin herbicide has long been used, as rice herbicide It has been restricted with using.In addition, when this herbicide and other herbicides are used in mixed way, due to antagonism, weeding effect Power reduces, therefore it is restricted as the development of mixture.
Summary of the invention
In order to increase the flucetosulfuron of formula (1) and N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl of formula (2) Base] -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyridine sulfonamide activity of weeding and expand its herbicidal spectrum, the present inventor is according to a The activity of weeding of body has selected the herbicidal active component with complementary performance, and has been verified by biologic test.Have mutual The selection for mending the herbicidal active component of performance is to pass through, and is classified as having different lifes from flucetosulfuron or formula (2) compound Change the class of function and the class with different herbicidal spectrums, is further classified as to gramineae weed, broadleaf weeds or sulfonylureas- Resistant weed and the specific class of perennial weeds.As a result, discovery when containing the activity of weeding with complementary performance at When the composition divided is mixed with flucetosulfuron or formula (2) compound, composition, which is shown, is enough clearly to show activity of weeding increasing The synergistic effect of herbicidal spectrum extension is summed it up, some mixtures show lower damage and the synergistic effect to gramineae weed, So as to complete the present invention.
Therefore, it is an object of the present invention to provide a kind of Herbicidal combinations, it is characterised in that due to the fluorine pyrrole with formula (1) Sulphur is grand or N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl] -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyrrole of formula (2) Pyridine sulfonamide or be selected as mixture blending constituent herbicidal active compounds singly apply compared to activity of weeding increase and Herbicidal spectrum extension, therefore less amount of herbicidal constituents can be used, and pass through the flucetosulfuron or formula of combined administration formula (1) (2) other contained herbicidal active compounds can reduce labour used in herbicide application in compound and Herbicidal combinations, thus Save the cost of control of weeds.It is a further object of the present invention to provide a kind of Herbicidal combinations, it is characterised in that is applied by combining With in the flucetosulfuron of formula (1) or the compound of formula (2) and existing herbicide when being used in mixed way with other herbicides due to Antagonism significantly reduces or limits when singly applying due to crop damage some weedings used to the effect of specific weeds Active material, by as mixture application rather than singly applying for individual can solve asking to the reduction of the activity of weeding of specific weeds Topic, can increase to Eleocharis kuroguwai or is difficult to the activity of weeding of resistant weed prevented and treated, can increase crop safety Property.
Disclosure of the invention
To achieve the above object, the present invention provides a kind of Herbicidal combinations, the N- [[(4,6- bis- containing above-mentioned formula (1) Methoxyl group -2- pyrimidine radicals) amino] carbonyl] -2- [the fluoro- 1- of 2- (methoxy carbonyloxy group) propyl] -3- pyridine sulfonamide, that is, fluorine N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl of pyrrole sulphur grand [herbicidal active component (A1) hereafter] or above-mentioned formula (2) Base] -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyridine sulfonamide [herbicidal active component (A2) hereafter] and other activity of weeding Ingredient [herbicidal active component (B) hereafter].
Therefore, the present invention relates to a kind of Herbicidal combinations, herbicidal active component (A1) or (A2) is mainly contained and weeding is living Property ingredient (B), wherein (A1) is flucetosulfuron (N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] carbonyl] -2- [fluoro- 1- of 2- (methoxy carbonyloxy group) propyl] -3- pyridine sulfonamide)；It (A2) is N- [[(4,6- dimethoxy -2- pyrimidine radicals) amino] Carbonyl] -2- [2- fluoro- 1- (hydroxyl) propyl] -3- pyridine sulfonamide；It (B) is that one or more be selected from is made of following herbicide Compound group (B1-B9) herbicide, the herbicide has in all cases with contained herbicide (A1) or (A2) no Same chemical structure or biological weed control activity.
Blending constituent (B) suitable for mixture, which can be, belongs to following groups (B1)-(B9) any compound.It is big absolutely The title of most herbicides comes from according to " The Pesticide Manual ", and the 12nd edition, 2000, British Crop The common name of the compound of Protection Council (PM hereafter), some herbicides give individual bibliography.
(B1) acetyl-CoA carboxylase inhibitor
(B1.1) diclofop-methyl and its ester, especially methyl esters (PM, pp.279-280)
(B1.2)Azole amide (BCPC International Congress-Crop Science&Technology 2003 collections of thesis, pp.85-92)
(B1.3) cyhalofop-butyl (PM, pp.223-224)
(B1.4) clodinafop-propargyl (PM, pp.186-187)
(B1.5) highAzoles diclofop-methyl and its ester, especially ethyl ester (PM, pp.393-394)
(B1.6) wheat straw volt and its ester (PM, pp.415-416)
(B1.7) methoxyphenone (PM, pp.914-915)
(B1.8) clefoxidim (PM, pp.61-62)
(B2) inhibitor of acetolactate synthetase
(B2.1) thifensulfuron methyl (PM, pp.899-900)
(B2.2) metsulfuron-methyl (PM, pp.644-645)
(B2.3) prosulfuron (PM, pp.787-788)
(B2.4) tribenuron-methyl (PM, pp.928-929)
(B2.5) mesosulfuronmethyl (2001 collection of thesis of BCPC Conference-Weeds, pp.43-48)
(B2.6) flazasulfuron (PM, pp.417-418)
(B2.7) Sulfosulfuron (PM, pp.853-854)
(B2.8) iodine metsulfuron-methyl and its ester, especially methyl esters (PM, pp.547-548)
(B2.9) flupyrsulfuron-methyl-sodium and its ester, especially methyl esters (PM, pp.447-448)
(B2.10) bensulfuron-methyl and its ester, especially methyl esters (PM, pp.76-77)
(B2.11) cypromisulfuron (PM, pp.217-218)
(B2.12) cinosulfuron (PM, pp.183-184)
(B2.13) azimsulfuron (PM, pp.48-49)
(B2.14) imazosulfuron (PM, pp.534-544)
(B2.15) pyrazosulfuron (PM, pp.795-797)
(B2.16)Penoxulam(BCPC International Congress-Crop Science&Technology 2003 collections of thesis, pp.85-92)
(B2.17) florasulam (PM, pp.420-421)
(B2.18) bispyribac-sodium (PM, pp.97-98)
(B2.19) pyribenzoxim (PM, pp.801)
(B3) photosynthesis inhibitor
(B3.1) bentazone (PM, pp.80-81)
(B3.2) Brominal or bromoxynil octanoate (PM, pp.110-112)
(B3.3) ioxynil and its ester and salt (PM, pp.548-550)
(B3.4) terbutryn (PM, pp.883-884)
(B3.5) symetryne (PM, pp.837-834)
(B3.6) chlortoluron (PM, pp.169-170)
(B3.7) isoproturon (PM, pp.559-560)
(B4) protogen IX oxidase inhibitor
(B4.1) Oxyfluorfen (PM, pp.702-703)
(B4.2) pyraflufen-ethyl (PM, pp.792-793)
(B4.3) carfentrazoneethyl (PM, pp.141-142)
(B4.4) cinidon-ethyl (PM, pp.181-182)
(B4.5) propineHumulone (PM, pp.690-691)
(B4.6) ring pentaHumulone (PM, pp.718-719)
(B5) herxheimer-liked reaction inhibitor
(B5.1) Diflufenican (PM, pp.296-297)
(B5.2) fluorine pyrrole acyl grass amine (Picolinofen) (PM, pp.742-743)
(B5.3) mesotrione (PM, pp.602)
(B5.4) pyrazoxyfen (PM, pp.797-798)
(B5.5) pyrazolate (PM, pp.793-794)
(B5.6) benzobicylon (PM, pp.82)
(B5.7) differentHumulone (PM, pp.190-191)
(B6) Cell wall synthesis inhibitor
(B6.1) butachlor (PM, pp.117-118)
(B6.2) flufenacet (PM, pp.434-435)
(B6.3) mefenacet (PM, pp.593-594)
(B6.4) fentrazamide (PM, pp.406-407)
(B6.5) pretilachlor (PM, pp.755-756)
(B6.6) amine grass azoles (cafenstrole, PM, pp.128-129)
(B6.7) differentCareless amine (isoxaben) (PM, pp.561-562)
(B7) lipid biosynthesis inhibitors
(B7.1) benfuresate (PM, pp.71-72)
(B7.2) ethofumesate (PM, pp.364-365)
(B7.3) prosulfocarb (PM, pp.786-787)
(B7.4) triallate (PM, pp.921-922)
(B7.5) benthiocarb (PM, pp.901-902)
(B8) auxin herbicide
(B8.1) Triclopyr (PM, pp.933-934)
(B8.2) fluroxypramide and its ester (PM, pp.455-457)
(B8.3) 2,4- drop and its ester (PM, pp.243-246)
(B8.4) 2 first, 4 chlorine and its ester, especially thioethyl ester (PM, pp.583-586)
(B8.5) Thistrol and its ester, especially ethyl ester (PM, pp.586-588)
(B8.6) Vi par and its pure R isomers, Vi par salt (PM, pp.489-592)
(B8.7) clomeprop (PM, pp.191-192)
(B8.8) dicamba (PM, pp.265-267)
(B9) other
(B9.1) Pendimethalin (PM, pp.714-715)
(B9.2) dithiopyr (PM, pp.330)
(B9.3) difenzoquat Methylsulfate (PM, pp.291-292)
(B9.4) bromobutide (PM, pp.108)
(B9.5) indanofan (PM, pp.543-544)
(B9.6) pyributicarb (PM, pp.802)
Pass through what is mixed in a composition of the invention and obtain using herbicidal active component (A1) or (A2) and (B) Synergistic effect can be frequently observed when these active constituents when different time sprays.
The treating capacity of the herbicidal active component (A1) and (A2) that usually contain in Herbicidal combinations of the invention can basis Target crop changes, but the active principle of per hectare is 20-300g.For some active constituents, composition of the invention must The treating capacity lower than singly applying must be contained.
Therefore, in combination species of the invention, the treating capacity of the herbicidal active component of per hectare usually should be active constituent (A) 1-300g, preferably 10-200g, active constituent (B) 1-4000g, preferably 2-2000g.The weight ratio of A:B used in composition It can change in a wide range, preferred scope is 1:200-200:1, more preferable 1:100-20:1, but not limited to this.Final weight Than can according to specific application field, weeds spectrum and reactive compound combination and change, can be in preparatory test really It is fixed.
Composition of the invention can be used for the crop fields and prevent and treat annual and perennial gramineae weed, Cyperaceae with selectivity Weeds and broadleaf weeds.Above-mentioned the crop fields include rice growing, cereal (wheat, barley, oat, rye etc.) cultivation and meadow or herd Grass.It is not needed on the ridge around non-crop belts, especially railroad track or rice field in addition, the composition can also be used to prevent and treat Weeds.
Composition of the invention can unlimitedly be used for the crop fields and non-crop belts by conventional application method, described normal Rule method of administration such as soil applies, water meter application, foliar spray etc., preferably foliar spray.
Compared with containing only the application of active ingredient (A1) or (A2) as the composition of weeding active compound, in this hair In bright composition, the following compounds selected from active constituent (B) are the ingredients for having greater activity to broadleaf weeds, can be supplemented To the activity of weeding of some main broadleaf weeds, such as Veronica persica, violet of ploughing, clearvers (Galiumaparine), corn poppy (Papaver rhoeas) etc.:
(B2.1) thifensulfuron methyl, (B2.2) metsulfuron-methyl, (B2.3) prosulfuron, (B2.4) tribenuron-methyl, (B2.16) penoxulam, (B2.17) florasulam, (B3.1) bentazone, (B3.2) Brominal, (B3.3) ioxynil, (B3.5) symetryne, (B4.1) Oxyfluorfen, (B4.2) pyraflufen-ethyl, (B4.3) carfentrazoneethyl, (B4.4) cinidon-ethyl, (B4.5) propineHumulone, (B4.6) ring pentaHumulone, (B5.1) Diflufenican, (B5.2) fluorine pyrrole acyl grass amine (picolinofen), (B5.3) methyl sulphur grass Ketone, (B5.5) pyrazolate, (B5.6) benzobicylon, (B5.7) is differentHumulone, (B6.1) butachlor, (B6.3) mefenacet, (B6.4) fentrazamide, (B6.5) pretilachlor, (B6.6) amine grass azoles, (B6.7) is differentCareless amine (isoxaben), (B7.5) is killed It is careless red, (B8.1) Triclopyr, (B8.2) fluroxypramide, (B8.3) 2,4- drop, 4 chlorine of (B8.4) 2 first, (B8.5) Thistrol, (B8.6) Vi par or Vi par salt, (B8.7) clomeprop, (B8.8) dicamba, (B9.2) dithiopyr, (B9.4) bromobutide, (B9.5) indanofan, (B9.6) pyributicarb.
Compared with containing only the application of active ingredient (A1) or (A2) as the composition of weeding active compound, in this hair In bright composition, the following compounds selected from active constituent (B) are the ingredients for having greater activity to perennial weeds, can be mended The activity of weeding to some perennial weeds is filled, especially: Eleocharis kuroguwai, flat stalkGrass (Scirpus Planiculmis), Herba Cyperi Glomerati and wild arrowhead:
(B2.10) bensulfuron methyl, (B2.11) cypromisulfuron, (B2.12) cinosulfuron, the phonetic sulphur of (B2.13) tetrazolium It is grand, (B2.14) imazosulfuron, (B2.15) pyrazosulfuron, (B3.1) bentazone, (B4.3) carfentrazoneethyl, (B5.4) benzyl grass Azoles, (B5.5) pyrazolate, (B7.1) benfuresate, (B8.3) 2,4- drop or ester, 4 chlorine of (B8.4) 2 first or ester, thioethyl ester, (B8.5) Thistrol or ester, ethyl ester.
Compared with containing only the application of active ingredient (A1) or (A2) as the composition of weeding active compound, in this hair In bright composition, the following compounds selected from active constituent (B) are the ingredients for having greater activity to gramineae weed, can be mended Fill the activity of weeding to some gramineae weeds:
(B1.1) diclofop-methyl methyl esters, (B1.2)Azole amide, (B1.3) cyhalofop-butyl, (B1.4) clodinafop-propargyl, (B1.5) It is highAzoles diclofop-methyl ethyl ester, (B1.6) flamprop methyl ester, (B1.7) methoxyphenone, (B1.8) clefoxidim, (B2.5) first uliron It is grand, (B2.6) flazasulfuron, (B2.7) Sulfosulfuron, (B2.8) iodine metsulfuron-methyl methyl esters, (B2.9) flupyrsulfuron-methyl-sodium methyl esters, (B2.18) bispyribac-sodium, (B2.19) pyribenzoxim, (B3.4) terbutryn, (B3.6) chlortoluron, (B3.7) isoproturon, (B6.2) Flufenacet, (B7.2) ethofumesate, (B7.3) prosulfocarb, (B7.4) triallate, (B9.1) Pendimethalin, the open country (B9.3) swallow Withered Methylsulfate.
Compared with containing only the application of active ingredient (A1) or (A2) as the composition of weeding active compound, in this hair In bright composition, the following compounds selected from active constituent (B) are the ingredients that antagonism weeds have greater activity, can be supplemented To the activity of weeding of some sulfonylurea herbicide resistant weeds, such as resistance Monochoria vaginalis, Vandellia, firefly Lin and difformed galingale herb:
(B3.1) bentazone, (B3.2) Brominal, (B3.5) symetryne, (B4.1) Oxyfluorfen, (B4.2) pyraflufen-ethyl, (B4.3) carfentrazoneethyl, (B4.4) cinidon-ethyl, (B4.5) propineHumulone, (B4.6) ring pentaHumulone, (B5.1) pyrrole fluorine Careless amine, (B5.2) fluorine pyrrole acyl grass amine (picolinofen), (B5.3) mesotrione, (B5.5) pyrazolate, (B5.6) bicyclic sulphur Humulone, (B5.7) are differentHumulone, (B6.1) butachlor, (B6.3) mefenacet, (B6.4) fentrazamide, (B6.5) third grass Amine, (B6.6) amine grass azoles, (B6.7) is differentCareless amine (isoxaben), (B7.5) benthiocarb, (B8.1) Triclopyr, (B8.2) fluorine Careless cigarette, (B8.3) 2,4- drop, 4 chlorine of (B8.4) 2 first, (B8.5) Thistrol, (B8.6) Vi par or Vi par Salt, (B8.7) clomeprop, (B8.8) dicamba, (B9.2) dithiopyr, (B9.4) bromobutide, (B9.5) indanofan, (B9.6) pyributicarb.
In the present compositions, following compounds be selected from active constituent (B), for contain only active ingredient (A1) Or (A2) solved in other mixtures as the composition mixing of weeding active compound it is often observable to certain The antagonism of weeds especially barnyard grass (Echinochloa crus-galli) increases antagonism weeds and perennial The activity of weeding of Eleocharis kuroguwai, and increase safety of the foliar spray to rice:
(B3.1) bentazone, (B4.3) carfentrazoneethyl, (B8.2) fluroxypyr, (B8.3) 2,4-D, (B8.4) MCPA, (B8.5) MCPB, (B8.6) Vi par or mecopropP, (B8.7) clomeprop, (B8.8) dicamba.
In addition, Herbicidal combinations of the invention can contain other compositions when necessary, such as one or more removed selected from other Careless agent, insecticide, fungicide, safener (reducing herbicide to the compound of chemical injury of crops) and plant growth regulator group Ingredient.These other compositions can be used by co-formulated at a kind of preparation, and be mixed in spray tank by preparing respectively With use, or sequence use.
In addition, Herbicidal combinations of the invention can be together with the common carrier of formulation art, surfactant or additive It prepares.For example, non-forms of modification can be conventionally processed into, active constituent and filler (such as solvent, solid carrier and Surfactant, if necessary) uniformly mixing, wettable powder is processed by the methods of such as grinding, granulation, film-making, Then suspending agent, water dispersible granules, granule, liquor, tablet, jumbo preparation etc. are applied to soil and water meter or leaves of plants Portion.
Suitable carrier and additive can be solid or liquid, including the ingredient for formulation art, such as it is natural or The inorganic matter of synthesis, solvent, dispersing agent, wetting agent, rheology control agent, adhesive, auxiliary agent etc..
Solvent may include aromatic hydrocarbon, such as xylene mixture or pure and mild glycol and its ether and ester, the naphthalene alcohol such as replaced, Ethylene glycol, glycol monoethyl ether or ethylene glycol monoethyl ether；Ketone such as cyclohexanone；Intensive polar solvent such as n-methyl-2-pyrrolidone, two Methyl sulfoxide or dimethylformamide；Epoxidation or non-epoxidized vegetable oil such as epoxidised coconut oil or soybean oil；Water etc..These Solvent can be used as the solvent of formulation in liquid form or the supplementing solvent of granule type preparation.
Solid carrier may include the natural or synthetic inorganic matter such as talcum of fine lapping, kaolin, calcium carbonate, diatomite or Pyrophyllite.
Dispersing agent may include anionic dispersing agents such as lignosulfonates, naphthalene sulfonate, lauryl sulfate, lauryl sulphur Hydrochlorate, polyoxyalkylene alkyl sulfate；Polyoxyalkylene alkyl aryl ether；Polyoxyalkylene alkyl etc..Dispersing agent is not limited to Above-mentioned substance can be selected from nonionic surfactant and anionic surfactant or cationic surfactant when necessary.
Wetting agent may include anion wetting agent such as NaLS, polyalkylene oxide alkyl phenyl ether sulfonate, sulfo group The salt of succinic acid dialkyl ester, dialkyl naphthalene sulfonate salts, polyalkylene oxide alkyl ether sulfate；Acetylene class non-ionic surface active Agent；The urea complex etc. of nonionic surfactant.
Suitable rheology control agent can be divided into for example equal type sugar of polysaccharide and miscellaneous type sugar and inorganic matter such as montmorillonite, montmorillonite, sea Afrodite, hectoliter and hydrophilic/hydrophobic silica.Equal type sugar can be furans glue, miscellaneous type sugar can be guar gum, Yellow member glue, wellan glue etc..
Suitable adhesive may include starch, dextrin, α starch, mosanom, Arabic gum, gelatin, lignosulfonates, Glucose, sorbierite, polyethylene glycol, hydroxypropyl cellulose (HPC), hydroxypropyl methyl cellulose, polyvinylpyrrolidone etc..
Auxiliary agent refers to being added in process for preparation to increase the substance of chemical result, or the preparation process in spray solution In the substance that is diluted.Anionic surfactant, cationic surfactant, nonionic surfactant etc. are commonly used for helping Agent.Suitable auxiliary agent may include the salt of dialkyl sulphosuccinate, acetylene class nonionic surfactant, polyalkylene oxide alkyl Ether, polyethylene oxide alkylamine, ethoxylated sorbitan glycan ester, polyethyleneoxide fatty acid esters, gathers polyalkylene oxide alkyl phenol ether Oxide-polypropylene oxide-polyethylene oxide triblock copolymer, trisiloxane alkoxylates etc..
The following example will illustrate the present invention the effect of composition, but the scope of the present invention should not solve in any way It is interpreted as being confined to this.
Embodiment
An example of formulations of the invention is as described below.
The mixture of 10 parts of (10%w/w) herbicidal active component (A1 or A2)/herbicidal active components (B), 2 parts of dodecyls Sodium sulphate (trade name: NK-SDS, Coseal), 8 parts of (8%w/w) sodium lignin sulfonates (trade name: NK-SLS, Coseal), and 80 parts of (80%w/w) kaolin mixing, are then ground into average grain using beater grinder (model: KDW-1, PAUDAL) Diameter 5-10 μ forms wettable powder.
The mixture of 10 parts of (10%w/w) herbicidal active component (A1 or A2)/herbicidal active components (B), 1 part of dodecyl Sodium sulphate (trade name: NK-SDS, Coseal), 3 parts of (3%w/w) naphthalene-formaldehyde condensation products (trade name: Morwet-D425, Whittko), 5 parts of (5%w/w) propylene glycol, 0.5 part of (0.5%w/w) gel fraction bentonite (trade name: NK-KNP, Coseal), It is mixed with 80.5 parts of (80.5%w/w) purified waters, is then ground into average grain using DYNO mill (model: Typ KDL A) Diameter 2-3 μ forms suspending agent.
The mixture of 10 parts of (10%w/w) herbicidal active component (A1 or A2)/herbicidal active components (B), 5 parts (5%w/w) Calcium dodecyl benzene sulfonate (trade name: CR-DBC64, Yusungwhayeontech), 2.5 parts of (2.5%w/w) ethoxylations (average EO addition molal quantity: 10) oleyl alcohol (trade name: Koremul OE10, Hannongwhasung), 2.5 parts (2.5%w/w) Ethoxylation (average EO addition molal quantity: 40) castor oil (trade name: Koremul CO40, Hannongwhasung) and alkane Base benzene class diluent naphtha (trade name: Kocosol 150, SK Corp.) is uniformly mixed using suitable mixer, forms cream Oil.
Biological Examples
At mixing by active constituent (A1) or (A2) and one or more active constituents (B) selected from (B1)-(B9) The method and its result of active and to crop the safety of reason evaluation Herbicidal synergistic are as described below.
1. greenhouse tank is tested
By seed or the storage organ portion of monocotyledon weed (grass family and Cyperaceae) and broadleaf weed (broadleaf weeds) Divide (brood body；Stem tuber, stem etc.) sowing or be transplanted in the sandy loam in tank, then greenhouse growth conditions appropriate (temperature, Air humidity and irrigation) under grow.For the test under the conditions of rice cropping, water keeps 3cm.Sowing or transplanting a period of time Afterwards, when the growth arrival certain phase of test plant, it is handled with composition of the invention.It, will when soil is applied Quantitative composition is directly applied to immersion soil.It is then dilute with water by the water of irrigation from being wherein discharged in the case where foliar spray Quantitative composition is released, and uses CO2Pressurization belt transmission sprayer (R&D spray, USA) is sprayed on test plant, The burst size of spray solution is 200-1000L/ha.Then, processed plant is maintained at greenhouse Plays greenhouse-grown item About 3-4 weeks under part.Then visual assessment composition is compared with untreated control to the herbicide action of plant processed.Composition Herbicide action with % control of weeds rate record, evaluated compared with untreated control with 0%-100%.0% indicate to weeds without Effect, 100% indicates that weeds are completely dead.Each processing is made of three or four repetitions.
2. field trial
Crop is sowed or is transplanted under the field condition that it usually grows, meanwhile, by unifacial leaf and dicots seed Or brood body (stem tuber, stem etc.) sowing or be transplanted in the tank of field placement and make its growth, or make it is uniform naturally occur it is miscellaneous Grass is grown in the field to certain growth phase.When the growth of these weeds reaches certain phase, at composition of the invention Reason.In the case where soil is applied, quantitative composition is directly applied to immersion soil.In the case where foliar spray, it is fixed to be diluted with water The composition of amount, uses CO2Knapsack sprayer is added to be sprayed on test plant, the burst size of dilute solution is 200- 1000L/ha.Before foliar spray, the irrigation water in rice field is discharged.From application composition about 5-7 week after, range estimation measurement and not The herbicide action and phytotoxicity that processing control is compared, standard are identical as used in the test of above-mentioned greenhouse tank.It is each processing by Three or four repetitions form.
3. the evaluation of synergistic effect
Using Herbicidal combinations of the invention, the herbicide action to weeds is more than in the present composition The summation of independent herbicide action when contained each herbicides compounds are individually sprayed.Therefore, compared with each herbicides compounds list is applied, this The composition of invention can provide same weeds herbicide action under the lower dosage of herbicides compounds.This activity of weeding and The increase of effect and the reduction of active constituent dosage have convincingly demonstrated synergistic effect of the invention.It is living to two or more weedings Property ingredient the evaluation of the mixed synergistic effect for applying middle display be based in " Calculation Synergistic and Antagonistic Response of Herbicide Combinations”(Weeds 15/1(1967),S.R.Colby) Described in Colby ' s method determine.
Therefore, following equation is used thus:
E=X+Y- (X × Y)/100
Wherein X indicates control of weeds (%) of the herbicide A under X g effective component/ha dosage,
Y indicates control of weeds (%) of the herbicide B under Y g effective component/ha dosage,
E indicates the expection control of weeds (%) under X+Y g effective component/ha dosage.
If the actual control of weeds rate observed in biologic test is more than to be calculated using Colby ' s method Desired value (E), then it represents that the effect of Herbicidal combinations is greater than the summation of each agent effectiveness, it means that composition is made with synergy With.
4. increasing the evaluation of crop safety
Crop safety is stated by term " crop plants toxicity ", this indicates the damage to crop, therefore to crop Phytotoxicity degree is lower to mean that the safety to crop is higher.The crop plants toxicity of Herbicidal combinations of the invention is lower than The summation of crop plants toxicity when contained each herbicides compounds individually spray in composition.Therefore, composition of the invention tool There is crop safety more higher than the composition containing individual herbicidal active component, therefore occur in single component application Crop plants toxicity significantly reduces, it is sufficient to be used for target crop.The increase of the safety can pass through above-mentioned Colby ' s method meter It calculates.If it is observed that the actual crop plants toxicity (%) of mixture lower than the more desired value that is calculated of Colby method (E), it means that mixture has phytotoxicity more lower than the summation of each ingredient, i.e. composition has synergy security effectiveness.
The result of above-mentioned test is shown in the following table 1-26.
Table 1
The herbicidal performance of compound (A1) and diclofop-methyl (B1.1) to the gramineae weed annual bluegrass (Poa annua) in field (passing through foliar spray)
Table 2
Compound (A1) andHerbicidal performance (pass through foliar spray) of the azole amide (B1.2) to the gramineae weed in field
Table 3
The herbicidal performance (passing through foliar spray) of compound (A1) and clodinafop-propargyl (B1.4) to the gramineae weed annual bluegrass in field
Table 4
The herbicidal performance (passing through foliar spray) of compound (A1) and thifensulfuronmethyl (B2.1) to the broadleaf weeds in field
Table 5
Compound (A1) and flupyrsulfuron-methyl-sodium (B2.9) are (logical to the herbicidal performance of the big fringe amur foxtail of the gramineae weed in field Cross foliar spray)
Table 6
In the greenhouse, compound (A1) and bensulfuron-methyl (B2.10) are to perennial weeds Eleocharis kuroguwai Herbicidal performance (being applied by soil)
Table 7
In the greenhouse, compound (A1) and cypromisulfuron (B2.11) (pass through soil to the herbicidal performance of perennial weeds It applies)
Table 8
In the greenhouse, compound (A1) and cinosulfuron (B2.12) are to perennial weeds Eleocharis kuroguwai's Herbicidal performance (is applied) by soil
Table 9
In the greenhouse, compound (A1) and azimsulfuron (B2.13) (pass through soil to the herbicidal performance of perennial weeds It applies)
Table 10
In the greenhouse, compound (A1) and pyrazosulfuron (B2.15) remove perennial weeds Cyperus serotinus Careless performance (being applied by soil)
Table 11
In field, compound (A1) and bentazone (B3.1) are to the herbicidal of Eleocharis kuroguwai, barnyard grass and rice Energy (being applied by soil)
Table 12
In greenhouse, compound (A1) and symetryne (B3.5) (pass through the herbicidal performance of sulfonylurea herbicide resistant weed Soil is applied)
Table 13
In field, compound (A1) and carfentrazoneethyl (B4.3) (pass through leaf to the herbicidal performance of main rice weeds and rice It applies)
Table 14
In the greenhouse, compound (A1) and carfentrazoneethyl (B4.3) (pass through leaf to the herbicidal performance of broadleaf weeds Monochoria vaginalis It applies)
Table 15
On meadow, compound (A1) and carfentrazoneethyl (B4.3) are to main weeds Trifolium (white clover (Trifoliumrepens)) herbicidal performance (passing through foliar spray)
*DAA: the number of days after application
Table 16
In field, the herbicidal performance (passing through foliar spray) of compound (A1) and carfentrazoneethyl (B4.3) to broadleaf weeds
Table 17
In greenhouse, compound (A1) and ring pentaHerbicidal performance of the humulone (B4.6) to sulfonylurea herbicide resistant weed (being applied by soil)
Table 18
In field, the herbicidal performance (passing through foliar spray) of compound (A1) and diflufenican (B5.1) to broadleaf weeds
Table 19
In greenhouse, compound (A1) and pyrazolate (B5.5) (pass through the herbicidal performance of sulfonylurea herbicide resistant weed Soil is applied).
Table 20
In greenhouse, compound (A1) and butachlor (B6.1) (pass through the herbicidal performance of sulfonylurea herbicide resistant weed Soil is applied).
Table 21
In greenhouse, the weeding of compound (A1) and benfuresate (B7.1) to perennial weeds Eleocharis kuroguwai Performance (is applied) by soil.
Table 22
In greenhouse, compound (A1) and benthiocarb (B7.5) (pass through the herbicidal performance of sulfonylurea herbicide resistant weed Soil is applied).
Table 23
In field, compound (A1) and 2, herbicidal performance (pass through foliar spray) of the 4-D (B8.3) to broadleaf weeds.
Table 24
In greenhouse, the herbicidal performance of compound (A1) and clomeprop (B8.7) to sulfonylurea herbicide resistant weed (being applied by soil).
Table 25
In greenhouse, the herbicidal performance of compound (A1) and dithiopyr (B9.2) to sulfonylurea herbicide resistance Monochoria vaginalis (being applied by soil).
Table 26
In greenhouse, the herbicidal performance of compound (A1) and dithiopyr (B9.2) to sulfonylurea herbicide resistance Monochoria vaginalis (being applied by soil).
Industrial applicibility
Compared with each herbicides compounds list is applied, Herbicidal combinations of the invention are different or not by having the function of two kinds With herbicide action herbicides compounds mixing and have enhancing herbicide action and widen weeds spectrum, due to synergistic effect because The amount of herbicidal constituents used in this can reduce, by the way that other contained weeding chemical combination in flucetosulfuron and Herbicidal combinations are administered in combination Therefore object can save labour to reduce control of weeds cost.In addition, containing formula (1) or (2) compound and one or more Selected from its of photosynthesis inhibitor bentazone, protogen IX oxidase inhibitor carfentrazoneethyl and auximone type herbicide The Herbicidal combinations of his herbicide have synergistic effect, and it is living to enhance the weeding to perennial weeds and sulfonylurea resistance weeds Property, it can solve the antagonism to gramineae weed especially barnyard grass, and can increase safety of the foliar spray to rice.

Claims (11)

1. a kind of Herbicidal combinations, the compound containing following formula (1), i.e. herbicidal active component (A1)；
With one or more other active components selected from (B) group, (B) group is by (B6.1) butachlor, (B6.2) fluorine thiophene grass Amine, (B6.3) mefenacet, (B6.4) fentrazamide, (B6.5) pretilachlor, (B6.6) amine grass azoles and (B6.7) it is differentCareless amine Composition.
2. a kind of Herbicidal combinations, the compound containing following formula (2), i.e. herbicidal active component (A2)；
With one or more other active components selected from group (B) defined in claim 1.
3. the weight ratio of Herbicidal combinations of any of claims 1 or 2, active components A 1 therein or A2 and active constituent B are 1:200-200:1。
4. the weight ratio of Herbicidal combinations as claimed in claim 3, active components A 1 therein or A2 and active constituent B are 1: 100-20:1。
5. Herbicidal combinations of any of claims 1 or 2 are further selected from insecticide, fungicide, peace containing one or more The ingredient of full agent and plant growth regulator.
6. Herbicidal combinations of any of claims 1 or 2 are also selected from carrier, surfactant and addition containing one or more The ingredient of agent.
7. a kind of weed control method, including Herbicidal combination of any of claims 1 or 2 is applied to the crop fields or non-crop belts Object.
8. a kind of method of controlling weeds, including Herbicidal combinations of any of claims 1 or 2 are applied to rice growing.
9. a kind of method of controlling weeds, including Herbicidal combinations of any of claims 1 or 2 are applied to grain husbandry.
10. a kind of method of controlling weeds, including Herbicidal combinations of any of claims 1 or 2 are applied to meadow or pasture.
11. the method for claim 7, Herbicidal combinations therein are handled by foliar spray.
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