CN108782568A - Herbicidal combinations and method for controlling plant growth - Google Patents
Herbicidal combinations and method for controlling plant growth Download PDFInfo
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- CN108782568A CN108782568A CN201810338553.6A CN201810338553A CN108782568A CN 108782568 A CN108782568 A CN 108782568A CN 201810338553 A CN201810338553 A CN 201810338553A CN 108782568 A CN108782568 A CN 108782568A
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- methyl
- metsulfuron
- amicarbazone
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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
- 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<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- 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
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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)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The Herbicidal combinations of collaboration are provided, the composition includes (A) amicarbazone and (B) metsulfuron-methyl of herbicidally effective amount.A kind of method controlled in a certain place plant growth is additionally provided, and this method includes the amicarbazone and metsulfuron-methyl of herbicidally effective amount being applied to the place, such as applied by way of composition above-mentioned.
Description
The present invention relates to a kind of Herbicidal combinations.The invention further relates to control undesirable vegetation growth and especially crop
In undesirable vegetation growth method, this method include use aforementioned composition.
Undesirable vegetation inhibits plant growth, and cover crop from undesirable Vegetation Effect is faced for a long time in agricultural
The problem of.In order to solve this problem, researcher, which attempts exploitation, can effectively control the extensive chemistry of this undesirable growth
Product and chemical formulation.Document has disclosed the chemical herbicide of many types, and a large amount of chemical herbicide commercially makes
In.
It has confirmed, compared with the activity shown when ingredient is used alone, some herbicidal active components are in combination application
When show increased activity.The effect referred to as " acts synergistically ".According to Herbicide Handbook of the Weed
Science Society of America [the herbicide handbook of Weed Science association of the U.S.], the 7th edition, 1994, the 318th
Page, " synergistic effect " is the interaction of two or more factors so that effect when combination is greater than based on to individually applying
The effect that the reaction of each factor added is predicted.
It is thus known that by two or more active herbicidal constituents combinations, such as in single composition, to be cooperateed with
The benefit of effect.For example, WO 03/024224 proposes the composition for selective Weeds distribution, the composition in addition to comprising
Conventional inert preparation adjuvant, further comprises as the mixture of at least two compounds of active constituent, these compounds are selected from
The following group:Alkynes oxadiazon, oxadiazon, fentrazamide, ethoxysulfuron, dichloro quinolinic acid, pyrazolate (pyrazolate), ammonia azoles
Humulone, bromobutide, azoles humulone (carfentrazone or carfentrazone-ethyl), pyrazolate, pyraflufen-ethyl
(pyraflufen or pyraflufen-ethyl), sulfentrazone obtain herbicide, clodinafop-propargyl, pretilachlor, butachlor, go barnyard grass peace, four
The bicyclic ketone of azole amide, benzo, molinate, dichloro quinolinic acid, bentazone, pyrazoxyfen (pyrazolynate), pentoxazone,
Metamifop, cinosulfuron, imazosulfuron, pyrazosulfuron (pyrazosulfuron or pyrazosulfuron-ethyl),
Azimsulfuron, bensulfuron-methyl (bensulfuron or bensulfuron-methyl), triasulfuron, the third sulphur of fluorine is grand, chlorine pyrrole is phonetic
Sulphur grand (halosulfuron or halosulfuron-methyl), Sulfometuron Methyl (sulfometuron or sulfometuron-
Methyi), Sulfosulfuron, chlorimuronethyl (chlorimuron or chlorimuron-ethyl), cypromisulfuron, trifluoro methylsulphur
Grand and iodine sulphur is grand.However, WO 03/024224 does not include the synergistic effect for proving that the combination by two kinds of foregoing active ingredients generates
Experimental data.
Surprisedly, it has now been found that and proof is used together amicarbazone and metsulfuron-methyl produces significant association
Same-action.
Amicarbazone and metsulfuron-methyl are the compounds with activity of weeding known to two kinds, and for controlling undesirable plant
Object is grown.As indicated above, it most surprisedly has been found that when used in combination, such as when being administered to a certain field together
Institute (such as to include the composition application of two kinds of compounds), amicarbazone and metsulfuron-methyl show collaboration in controlling plant growth
Effect.
As indicated above, for its influence to plant growth, amicarbazone and metsulfuron-methyl are all only in the art
It is on the spot known.They are disclosed in the Britain crop protection committee (The British Crop Protection Council)
Disclosed The Pesticides Manual [killing harmful organism handbook], the 12nd edition, 2000.One system of two kinds of compounds
Row composition is also commercially available.
Amicarbazone (IUPAC titles:4- amino-N- tert-butyl -4,5- dihydro -3- isopropyl -5- oxos -1,2,4-
1H- triazole -1- formamides) it is the triazole herbicides with following formula:
Amicarbazone is commercially available, and preparation method is known in the art.Amicarbazone is photosynthesis suppression
Preparation.Phenotypic response includes chlorosis, stunted growth, tissue necrosis and death.
Metsulfuron-methyl is metsulfuron-methyl (2- [[[[(4- methoxyl group -6- methyl-1s, 3,5- triazine -2- bases) amino] carbonyl] amino]
Sulfonyl] benzoic acid) methyl esters, a kind of sulfonylurea herbicide with following formula:
Metsulfuron-methyl is commercially available in Herbicidal combinations, and is to have work as branched-chain amino acid synthesis (ALS) inhibitor
Property.Thus these compounds stop planting by inhibiting the biosynthesis of essential amino acids valine and isoleucine to work
The cell division of object and plant growth.ALS is found in plant, but is not found in animal, therefore, triazine radical sulfonylurea
Herbicide, which can provide, has good activity of weeding low to animal use rate and low toxicity.
Compared with component (A) amicarbazone and (B) metsulfuron-methyl is used alone, synergistic effect of the invention can provide many excellent
One or more advantages in gesture.Particularly, the rate of application of independent component can obviously reduce, while keep the height of two kinds of compounds
Horizontal herbicide action.Compared with any type component is administered alone, including the composition of two kinds of components (A) and (B) can be to phases
When extensive weeds spectrum shows activity.Further, including the composition of two kinds of components has control under lower rate of application
The potentiality of weed species, and it is invalid that single component is administered alone under lower rate of application.When these components are to combine shape
Formula can show the speed of action than independent component bigger when applying.
Therefore, in a first aspect, the present invention provides (A) amicarbazones comprising herbicidally effective amount and (B) metsulfuron-methyl
Composition.
On the other hand, the present invention provides the method for the plant growth for controlling a certain place, this method includes to this
The amicarbazone and metsulfuron-methyl of applied herbicidally effective amount.
This method can use composition according to the first aspect of the invention.
On the other hand, the present invention provides the combinations of amicarbazone and metsulfuron-methyl in the plant growth for controlling a certain place
In purposes.
As used herein, term " herbicide " refers to showing active compound to control plant growth.As made herein
Term " herbicidally effective amount " is to refer to generate such a compound of control plant growth effect or such compound
Combination amount.Control action includes the difference of all natural developments and growth with plant, including for example, kills plant, resistance
Stagnant development of plants and the one or more aspects of growth, leaf scorch, albinism, dwarfing etc..As used herein, term " is planted
Object " refers to all substances part of plant, including bud, leaf, needle, stalk, stem, fructification, fruit, seed, root, stem tuber and root
Stem.
As described in more detail below, the compositions and methods of the invention can be used for controlling undesirable in various crops
Vegetation, such as grain, fruit, coffee, sugarcane and herbage.Control undesirable vegetation in this kind of crop can be by applying to the place
It is realized with proper amount of amicarbazone and metsulfuron-methyl.Reactive compound can together or be dividually applied to the place.If point
Application is opened, reactive compound can simultaneously and/or be successively applied.The control may include applying weeding to the vegetation or its location
The Herbicidal combinations of a effective amount of present invention.
The composition of the present invention can be used for controlling a series of growth of different plants.(A) amicarbazone and (B) metsulfuron-methyl
Species are composed, i.e., the weed species that corresponding compound is controlled are extensively and height is complementary.Amicarbazone control weeds (such as
Annual dicotyledonous weeds) and annual dicotyledon.Metsulfuron-methyl controls annual and perennial broad leaved weed.
Surprisedly find that the combination of amicarbazone and metsulfuron-methyl is shown very in controlling many common weeds
Significant synergistic effect, these common weeds include:Thorn bud fruit category (Acanthospermum spp.), complexing resistance spp
(Aeschynomene spp.), Amaranthus (Amaranthus spp.), Ambrosia (Ambrosia spp.), Bidens
(Bidens spp.), Brachiaria (Brachiaria spp.), Cenchrus (Cenchrus spp.), Herba Euphorbiae Humifusae category
(Chamaesyce spp.), spiderflower category (Cleome spp.), Commelina (Commelina spp.), crotons category
(Croton spp.), knotgrass (Digitaria spp.), Shen belong to (Eleusine spp.), tassel flower category (Emilia
Spp.), Euphorbia (Euphorbia spp.), ox achyranthes chrysanthemum spp (Galinsoga spp.), Gnaphalium (Gnaphalium
Spp.), Heteranthera (Heteranthera spp.), Achyrophorus ciliatus (L.) Scop category (Hypochoeris spp.), Ipomoea (Ipomoea
Spp.), mother wort (Leonurus spp.), Mucuna (Mancuna spp.), methylene blue Chrysanthemum (Melampodium
Spp.), Merremia (Merremia spp.), Panicum (Panicum spp.), elargol Chrysanthemum (Parthenium spp.), horse
Bitterroot category (Portulaca spp.), Rhaphanus (Raphanus spp.), quasi- duck tongue Huang category (Richardia spp.), Ricinus
(Ricinus spp.), Rottboellia exaltata L. F category (Rottboellia spp.), Rumex (Rumex spp.), Sagittaria
(Sagittaria spp.), chrysanthemum harvest spp (Sida spp.), silene (Silene spp.), naked column Chrysanthemum (Soliva
Spp.), jowar category (Sorghum spp.), spurrey (Spergula spp.), wood category (Stachys spp.), chickweed
Belong to (Stellaria spp.), Tagetes (Tagetes spp.), Vetch (Vicia spp.) and spiderflower and belongs to parent
Edge kind (Cleome affinis).
Include using the example of the invention properly for the plant of control:(lead a cow morning glory (Ipomoea for safflower open country
Triloba leaf methylene blue chrysanthemum (Melampodium perfoliatum))), is passed through, arrow leaf bur (carries on the back bur (Sida in vain
Rhombifolia)), Ba La (bala) (Sida cordifolia Linn (Sida cordifolia)), roundleaf Commeline communis (Benghal
Dayflower) (roundleaf Commeline communis (Commelina benghalensis)), black Jack (black-jack) (bidens pilosa
(Bidens pilosa)), Brazil cat ear (Brazilian cat ' s ear) (Brazilian Achyrophorus ciliatus (L.) Scop (Hypochoeris
Brasiliensis)), bristle thorn bud fruit (Bristly Starbur) (bristle thorn bud chrysanthemum (Acanthospermum
Hispidum)), broad-leaved garden sorrel (Rheum obtusifolia Linn (Rumex obtusifolius)), chickweed (chickweed (Stellaria
Media)), Pharbitis purpurea (ipomoea digitata purpurea (Ipomoea purpurea)), green bristlegrass careless (common vetch (Vicia sativa)), big
Pawl grass (corn spurrey) (corn spurrey (Spergula arvensis)), (field field wood (field woundwort)
Wood (Stachys arvensis)), painted euphorbia (white bud painted euphorbia (Euphorbia heterophylla)), the garden root of Beijing euphorbia
(Garden spurge) (hairy euphorbia (Chamaesyce hirta)), big arrowhead (Meng Tedeng arrowheads (Sagittaria
Montevidensis)), sheep's hay (big broomcorn millet (Panicum maximum)), Herba Hedyotis cantonensis (honeyweed) (spire motherwort
(Leonurus sibiricus)), the root of bidentate achyranthes blade of grass root of Beijing euphorbia (Hyssopleaf Sandmat) (the purple plague purpura root of Beijing euphorbia (Chamaesyce
Hyssopifolia)), India eleusine indica (eleusine indica (Eleusine indica)), Jamaica's lady's-grass grass (horizontal lady's-grass grass
The different core of (Digitaria horizontalis), renal lobe spends (Kidneyleaf Mudplantain) (renal lobe Chinese herbaceous peony
(Heteranthera reniformis)), big fruit purple amaranth (large-fruit amaranth) (swollen fruit amaranth (Amaranthus
Deflexus)), (golden aster (Soliva pterosperma), lavender tasselled flower are spat in samara vacation to turf weed (lawnweed)
(lilac tasselflower) (tassel flower (Emilia sonchifolia)), Paraguay thorn bud fruit (Paraguayan
Starburr) (thorn bud fruit (Acanthospermum australe)), Chinese herbaceous peony signal are careless (plantain signalgrass)
(Chinese herbaceous peony Brachiaria Griseb (Brachiaria plantaginea)), potato weeds (potato weed) (root of bidentate achyranthes chrysanthemum (Galinsoga
Parviflora)), artemisiifolia (pigweed (Ambrosia elatior)), Santa Maria chrysanthemum (Santa Maria Feverfew) (silver
Glue chrysanthemum (Parthenium hysterophorus)), red morning glory (scarlet morning glory) (lobus cardiacus cypress vine
(Ipomoea hederifolia)), coarse root of bidentate achyranthes chrysanthemum (shaggy soldier) (coarse wool root of bidentate achyranthes chrysanthemum (Galinsoga
Quadriradiata)), sheep garden sorrel (sheep ' s sorrel) (garden sorrel (Rumex acetosella)), gloss affine cudweed
(Shiny Cudweed) (inner white mouse Anacamptis pyromaidalis (Gnaphalium spicatum)), wrinkle fruit amaranth (Slender Amaranth) (wrinkle
Fruit amaranth (Amaranthus viridis)), little Hua catchflies (small-flowered catchfly) (fly grass (Silene
Gallica)), smooth amaranth (smooth amaranth) (amaranthus (Amaranthus hybridus)), southern taper marigold
(southern cone marigold) (marigold (Tagetes minuta)), spine sandbur (sandbur (Cenchrus
Echinatus)), thorn amaranth (spiny amaranth) (thorn amaranth (Amaranthus spinosus)), Surinam grass (Surinam
Grass) (the raw Brachiaria Griseb (Brachiaria decumbens) of volt), tropical Mexico clover (the quasi- duck tongue Huang of Brazil
Richardia brasiliensis)), vente conmigo (Glan more this croton (Croton glandulosus)), dent
Amaranth (verdolaga) (purslane (Portulaca oleracea)), Wild Radish (wild radish) (wild mustard (Raphanus
Raphanistrum alliance's (zigzag jointvetch) (wild conjunction alliance (Aeschynomene rudis)), Jiang)), are closed in a zigzag
Gloomy grass (Johnsongrass) (Sorghum halepense (Sorghum halepense)), careless (Itchgrass) (Rottboellia exaltata L. F of itching
(Rottboellia cochinchinensis)), castor bean (castor-oil plant (Ricinus communis)), lamb's-quarters beans
(Velvetbean) (Mucuna species (Mucuna spp.)), crinosity wood rose (hair wood rose Merremia
)) and roadside wood rose (Roadside woodrose) (Merremia cissoides) aegyptia.
It has been found that the compositions and methods of the invention are especially the growth for controlling following plant:Thorn bud fruit category
(Acanthospermum spp.), Amaranthus (Amaranthus spp.), Bidens (Bidens spp.), Brachiaria
(Brachiaria spp.), Cenchrus (Cenchrus spp.), Commelina (Commelina spp.), knotgrass
(Digitaria spp.), Shen belong to (Eleusine spp.), tassel flower category (Emilia spp.), Euphorbia (Euphorbia
Spp.), ox achyranthes chrysanthemum spp (Galinsoga spp.), Ipomoea (Ipomoea spp.), Merremia (Merremia spp.),
Mucuna (Mucuna spp.), Panicum (Panicum spp.), Portulaca (Portulaca spp.), Ricinus
(Ricinus spp.), Rottboellia exaltata L. F category (Rottboellia spp.), chrysanthemum harvest spp (Sida spp.) and jowar category
(Sorghum spp.)。
Particularly, it is found that the combination of amicarbazone and metsulfuron-methyl is effective in controlling following plant:Arrow leaf bur
(carrying on the back bur (Sida rhombifolia) in vain), Ba La (bala) (Sida cordifolia Linn (Sida cordifolia)), roundleaf duck
Open up careless (roundleaf Commeline communis (Commelina benghalensis)), black Jack (black-jack) (bidens pilosa (Bidens
Pilosa)), bristle thorn bud fruit (Bristly Starbur) (bristle thorn bud chrysanthemum (Acanthospermum hispidum)), castor
Numb seed (castor-oil plant (Ricinus communis)), Pharbitis purpurea (ipomoea digitata purpurea (Ipomoea purpurea)), painted euphorbia (white bud
Painted euphorbia (Euphorbia heterophylla)), sheep's hay (big broomcorn millet (Panicum maximum)), crinosity wood rose (Mao Mumei
Rare (Merremia aegyptia)), India eleusine indica (eleusine indica (Eleusine indica)), itch careless (Itchgrass)
(Rottboellia exaltata L. F (Rottboellia cochinchinensis)), Jamaica lady's-grass grass (horizontal lady's-grass grass (Digitaria
Horizontalis)), Jiang Sencao (Sorghum halepense (Sorghum halepense)), lavender tasselled spend (lilac
Tasselflower) (tassel flower (Emilia sonchifolia)), (lead a cow morning glory (Ipomoea for safflower open country
Triloba)), Paraguay's thorn bud fruit (Paraguayan starburr) (thorn bud fruit (Acanthospermum australe)),
Chinese herbaceous peony signal careless (plantain signalgrass) (Chinese herbaceous peony Brachiaria Griseb (Brachiaria plantaginea)), potato weeds
(potato weed) (root of bidentate achyranthes chrysanthemum (Galinsoga parviflora)), roadside wood rose (Roadside woodrose)
(Merremia cissoides), red morning glory (scarlet morning glory) (lobus cardiacus cypress vine (Ipomoea
Hederifolia)), wrinkle fruit amaranth (Slender Amaranth) (wrinkle fruit amaranth (Amaranthus viridis)), spine sandbur
(sandbur (Cenchrus echinatus)), thorn amaranth (spiny amaranth) (thorn amaranth (Amaranthus spinosus)),
Surinam's grass (Surinam grass) (the raw Brachiaria Griseb (Brachiaria decumbens) of volt), lamb's-quarters beans (Velvetbean) (oil
Numb Calamus species (Mucuna spp.)) and purslane (verdolaga) (purslane (Portulaca oleracea)).
When two kinds of components are combined or are used together according to the weight ratio of wide scope, amicarbazone and metsulfuron-methyl show collaboration
Effect.In the compositions and methods of the invention, the weight ratio of amicarbazone and metsulfuron-methyl can be from about 99:1 to about 1:99,
Preferably from about 90:1 to about 1:90, more preferably from about 80:1 to about 1:80, still more preferably from about 70:1 to about 1:70, again
More preferably from about 60:1 to about 1:60, by it from about 50:1 to about 1:50.The preferred weight ratio of amicarbazone and metsulfuron-methyl
Example be from about 40:1 to about 1:40, from about 30:1 to about 1:30, from about 27:1 to about 1:27, from about 20:1 to about 1:20,
From about 16:1 to about 1:16, from about 10:1 to about 1:10, from about 5:1 to about 1:5 and from about 2:1 to about 1:2.It is preferred that by super
The amount for crossing metsulfuron-methyl uses amicarbazone, the i.e. weight ratio of amicarbazone and metsulfuron-methyl to be higher than 1:1, such as it is up to about 50:1, high
Of about 40:1,30 are up to about:1,20 are up to about:1 or up to about 10:1.
Preferably, the weight ratio of amicarbazone and metsulfuron-methyl is from about 50:1 to about 5:1, more preferably from about 40:1 to about
10:1, still more preferably from about 30:1 to about 10:1.
Activity collaboration component can be present in by the amount of wide scope in the composition of the present invention.In preferred embodiment
In, the total amount of amicarbazone and metsulfuron-methyl be by weight composition from about 5% to 99%.
Amicarbazone can be according to from by weight 1% to 98%, preferably from 10% to 95%, more preferably from 10%
To 90%, the amount still more preferably by weight from 20% to 80% is present in composition.
Metsulfuron-methyl can according to by weight from 0.5% to 50%, preferably from 0.5% to 30%, more preferably from
0.5% to 20%, still more preferably the amount by weight from 0.5% to 10% is present in composition.
Preferably, composition includes the amicarbazone from 1% to 98% and the methylsulphur from 0.5% to 50% by weight
It is grand;Amicarbazone from 10% to 95% and the metsulfuron-methyl from 0.5% to 30%;From 10% to 90% amicarbazone and from
0.5% to 20% metsulfuron-methyl;Amicarbazone from 20% to 85% and the metsulfuron-methyl from 0.5% to 10%.
In general, the rate of application of active constituent amicarbazone and metsulfuron-methyl depend on such as weed species, crop plants type,
Soil types, season, weather, the factor of edaphology and various other factors.It can readily determine that by routine test
For the rate of application of the composition of one group of given condition.
In general, the compositions and methods of the invention can be according to the total amount of the active constituent amicarbazone and metsulfuron-methyl applied
About 0.1 kg/ha (kg/ha) applied to the rate of application of about 2kg/ha.
Preferably, the rate of application of combined activity ingredient is from about 200g/ha to about 1500g/ha.It is highly preferred that rate of application
It is active constituent from about 400g/ha to about 1200g/ha.
In certain embodiments of the present invention, the rate of application of active constituent is the ammonia azoles from 400g/ha to 1200g/ha
Humulone and metsulfuron-methyl from 10g/ha to 100g/ha.In certain embodiments of the present invention, the rate of application of active constituent be from
The amicarbazone of 500g/ha to 1000g/ha and the metsulfuron-methyl from 10g/ha to 80g/ha.
As described above, in the present invention, amicarbazone and metsulfuron-methyl can separate administrations or with two parts herbicide system
The combining form application of the part of (such as composition of the present invention).
Can prepare the composition of the present invention in a conventional manner, for example, by by amicarbazone and metsulfuron-methyl with suitably help
Agent mixes.Suitable auxiliary agent will depend on the factors such as formulation type, and will be known to the skilled in the art.
Specifically, composition can further include one or more auxiliary agents selected from the following terms:Filler, carrier,
Solvent, surfactant, stabilizer, antifoaming agent, antifreezing agent, preservative, antioxidant, colorant, thickener, solid attachment
Agent, filler, wetting agent, dispersant, lubricant, anticaking agent, denaturant (deformer) and diluent.This analog assistant is in ability
It is known in domain, and is commercially available.Their purposes in the preparation of composition of the present invention are for this field
Those of ordinary skill for be obvious.
The suitable preparation of the composition of the combination and present invention for application amicarbazone and metsulfuron-methyl includes water
It is dissolubility liquor (SL), missible oil (EC), emulsion (EW), microemulsion (ME), suspending agent (SC), oil-based suspension (OD), flowable outstanding
Supernatant liquid (FS), water dispersible granules (WG), water-soluble granule (SG), wettable powder (WP), water solube powder (SP), granula
(GR), encapsulating granula (CG), granula subtilis (FG), big granula (GG), aqueous suspension emulsion (SE), capsule suspension (CS) and fine granule
(MG)。
The specially suitable preparation of composition for the present invention is suspending agent (SC), missible oil (EC) and water dispersible granules
(WG).The preferred preparation of composition for the present invention is water dispersible granules (WG).
Composition may include one or more inert fillers.This kind of inert filler is well known in the art, and is
It is commercially available.Suitable filler includes for example natural grinding mineral, such as kaolin, aluminium oxide, talcum, chalk, quartz, recessed
Convex stick stone, montmorillonite and diatomite;Or synthesis grinding mineral, such as the silicic acid of high degree of dispersion, aluminium oxide, silicate and
Calcium phosphate and calcium monohydrogen phosphate.Suitable inert filler for granule includes for example, the natural minerals for crushing and being classified are (such as side's solution
Stone, marble, float stone, sepiolite and dolomite) or inorganic and organic abrasive material synthesis particle agent and organic material
The granule of (such as sawdust, cocoanut shell, cob and tobacco stem).
The composition may include one or more surfactants, and one or more surfactants are preferably in characteristic
On be nonionic, cationic and/or anionic, and be the table with good emulsification, dispersion and wetting characteristics
Face active agent intermixture, this depends on the reactive compound to be prepared/each compound.Suitable surfactant is in the art
It is known, and is commercially available.
Suitable anion surfactant can be so-called water-soluble soap and water-soluble synthetic surface reactive compound
The two.The soap that can be used includes alkali metal, alkaline-earth metal or higher fatty acids (C10-C22) be substituted ammonium salt or without
Substituted ammonium salt, for example, the sodium salt or sylvite of oleic acid or stearic sodium salt or sylvite or natural acid mixture.
Surfactant may include ionic or nonionic emulsifier, dispersant or wetting agent.Such surfactant
Example include polyacrylate, lignosulphonates, benzene sulfonate or naphthalene sulfonate, ethylene oxide and fatty alcohol or and aliphatic acid
Or (especially with the condensation polymer of fatty amine, fortified phenol (especially alkyl phenol), sulfosuccinate ester salt, taurine derivatives
Taurine Arrcostab) and polyethoxylated phenol or alcohol phosphate.
When reactive compound and/or inert carrier and/or auxiliary agent/adjuvant are not dissolved in water and for the composition
When the carrier of final application is water, it usually needs the presence of at least one surfactant.
The composition optionally further includes one or more polymer stabilizers.It can be used for the conjunction in the present invention
Suitable polymer stabilizer includes but not limited to:Polypropylene, polyisobutene, polyisoprene, monoolefine and alkadienes copolymer,
Polyacrylate, polystyrene, polyvinyl acetate, polyurethanes or polyamide.Suitable stabilizer is in the art
It is known, and is commercially available.
It has been generally acknowledged that above-mentioned surfactant and polymer stabilizer assigns stability to the composition, this is allowed for
Composition can be formulated, stores, transports and apply.
Suitable antifoaming agent include normally can in agrochemical composition all substances for this purpose.Properly
Antifoaming agent be well known in the art, and be commercially available.Particularly preferred antifoaming agent be dimethyl silicone polymer and
The mixture of perfluoroalkyl phosphate, such as the silicone antifoams agent commercially available from GE or Compton.
The suitable solvent for including in composition can be selected from thoroughly dissolving the institute of reactive compound amicarbazone and metsulfuron-methyl
There is usual organic solvent.In addition, the suitable organic solvent for amicarbazone and metsulfuron-methyl is known in the art.It is following to carry
And solvent can be considered preferred:N-Methyl pyrrolidone, n-octylpyrrolidone, cyclohexyl -1- pyrrolidones;Or stone
Mixture (the commercially available such as SOLVESSO of wax hydrocarbon, isoparaffin, ring paraffin hydrocarbon and aromatic hydrocarbonTM200).Suitable solvent
It is commercially available.
The suitable preservative of composition for the present invention includes normally being combined in this type agrochemicals
All substances for this purpose in object, and be also well known in the art.The suitable example that can be mentioned that includes commercially available
Preservative(from Bayer (Bayer AG) and(coming from Bayer).
Being for the suitable antioxidant in the composition of the present invention as is known can be normally agricultural
All substances for this purpose in Chemical composition that.Preferably Butylated Hydroxytoluene.
For the suitable thickener in composition include can normally in agrochemical composition it is for this purpose
Or mixtures thereof all substances, such as xanthans, PVOH, cellulose and its derivates, clay hydration silicate, aluminium-magnesium silicate.
Again, this kind of thickener is well known in the art, and is commercially available.
The composition can further include one or more solid adhesive agents.This kind of adhesive agent is known in the art
, and be commercially available.They include organic bond, these organic bonds include tackifier, such as cellulose or through taking
The cellulose in generation, in powder, particle or form crystal lattice natural and synthetic polymer and inorganic bond, as gypsum,
Silica or cement.
It, can be by proper method by the combination of active constituent amicarbazone and metsulfuron-methyl in the method and use of the present invention
It is applied to the place of control, such as applied to leaves of plants and/or surrounding soil.Term " place " refers to the ground of plant growth
Point sows the place of the propagating materials of plant or will sow the place of the plant propagation material of plant.
As indicated above, the invention further relates to the combinations of amicarbazone and metsulfuron-methyl in such as above-mentioned composition or preparation
For controlling or changing the purposes in crop in undesirable vegetation growth in product.The combination of amicarbazone and metsulfuron-methyl is suitable for
Handle various crops, including cereal, such as wheat, barley, rye, oat, corn, rice, sorghum, triticale and related work
Object;Beet, such as sugar beet and fodder beet;Fruit, such as the operatic circle, drupe and mushy fruit (such as apple, grape, pears, Lee
Son, peach, almond, cherry and berry (such as strawberry, raspberry and blackberry, blueberry));Legume, for example, beans, hyacinth bean, pea,
Soybean and peanut;Oilseed plant, such as rape, leaf mustard and sunflower;Curcurbitaceae, such as cucurbita pepo, cucumber and muskmelon;Fiber is planted
Object, such as cotton, flax, hemp and jute;Citrus fruit, such as orange, lemon, grape fruit and citrus;Greengrocery, such as
Spinach, lettuce, asparagus, cabbage, carrot, onion, tomato, potato and hot red pepper;Ornamental plant, for example, it is flowers, shrub, wealthy
Ye Shu;Aithullium, such as coniferale plant;And sugarcane.
In a preferred embodiment, method of the invention or composition are for controlling in cereal, coffee, fruit, herbage
And sugarcane, especially barley, corn, oat, rice, sugarcane, triticale, wheat, coffee, Citrus and herbage it is undesirable
The growth of vegetation.
The use of the suitable crop that the present invention is handled include tolerance those of amicarbazone and metsulfuron-methyl.Tolerance can be logical
The natural tolerance of selection and use generation is crossed, or can be to be artificially introduced by the genetic modification of crop.In this aspect,
' tolerance ' mean the sensibility to damaging caused by particular herbicide (being in this case amicarbazone and metsulfuron-methyl) compared with
It is low.
These components used in practice of the present invention can be by various ways well known by persons skilled in the art
It is applied with various concentration.The present invention method and composition can be used for by by active constituent before planting, sprout before and/or sprout
It is applied to after hair and the place controlled is needed to control the growth of undesirable vegetation.Preferably, by active constituent to be controlled
Soon plant place is applied to before the sprouting of plant and/or after sprouting, especially until the 4 leaf phases of development of plants to be controlled.
Active constituent amicarbazone and metsulfuron-methyl can be applied on the leaf of undesirable plant by conventional method, this
A little conventional methods include coating, sprinkling, spray, dipping, impregnate, injection, are irrigated etc..
Other pesticides in addition to the combination of amicarbazone and metsulfuron-methyl can be used in the method for the present invention.Example
Such as, composition of the invention may include or be mixed with other pesticides (such as fungicide, insecticide and nematicidal
Agent), growth factor reinforcing agent and fertilizer, with the activity of the enhancing present invention or expand its activity profile.Similarly, side of the invention
Method is used in conjunction in combination with one or more foregoing active ingredients, obtains the effect of enhancing or broader activity profile again.
Although describing the present invention by reference to preferred embodiment and the example, the scope of the present invention is not limited only to
Described embodiment.It will be apparent to one skilled in the art that being defined by the following claims not departing from
In the case of the spirit and scope of the present invention, can foregoing invention be modified and be adjusted.
Now, the embodiment of the present invention is described by following Examples only for the purpose of illustration.
Unless otherwise indicated, the percentage that percentage figures are by weight.
Example
Example of formulation
By by the active constituent of fine gtinding and auxiliary agent (0.5%(lauryl sodium sulfate, Wei Teke
Company (Witco Inc.), Greenwich (Greenwich)), 5%88B (sodium lignin sulfonate, Wei Shiweike companies
(Westvaco Corp)) and potassium carbonate (balance to 100%)) mixing, and then carry out squeezing and in pneumatic convey drier
It is dried to prepare water dispersible granules (WG) preparation.
The example of WG preparations is as follows:
By the active constituent and auxiliary agent (10% propylene glycol, the 5% triphenyl vinyl phenol ethoxylation that mix fine gtinding
Object, 1% sodium lignin sulfonate, 1% carboxymethyl cellulose, 1% silicone oil (in water in the form of 75% lotion), 0.1% xanthan
Glue, 0.1% insecticide (NIPACIDE BIT 20) and water (balance to 1L) based on ethylene glycol prepare aqueous suspension concentrate
(SC)。
The example of SC preparations is as follows:
By by active constituent and auxiliary agent (50g tristyrylphenol ethoxylates, 1g silicone oil, 300g N- methyl pyrroles
Pyrrolidone and200 (balances to 1L)) it mixes to prepare missible oil (EC).
The example of EC preparations is as follows:
Biological example
The active of two kinds of reactive compounds is administered alone when the activity of the composition comprising two kinds of reactive compounds is more than
When summation, the combination of two kinds of reactive compounds acts synergistically.The expection activity of the combination of two kinds of given reactive compounds
Can be calculated by so-called " Cole's ratio (Colby) formula " (referring to S.R.Colby, " calculate combinations of herbicides collaboration and
Antagonistic reaction [Calculating Synergistic and Antagonistic Responses of Herbicide
Combinations] ", Weeds [weeds] 1967,15,20-22):
Wherein:
A=with the rate of application of m g/ha when using reactive compound A, the percent activity of compound A;
B=with the rate of application of n g/ha when using reactive compound B, the percent activity of compound B;
E=when with m g/ha when the rate of application of n g/ha is used together compound A and B, the percentage of estimated activity;
So:
E=A+B- (A × B/100).
If being more than calculated activity, the combination for the substantial activity observed by the combination of compound A and B
Activity be superadditivity.In other words, synergistic effect is existing.
Biological example 1
Coffee, corn and sugarcane plants are sowed in the randomization block in field.
Identify different types of weeds and they in each area relative density in the block, be listed in the following table 1.
The composition prepared according to above example is applied by spraying for 50 days later in plantation.After spraying, Jiang Gequ
Block is kept for about 2 weeks.After application two weeks, effect of each block with each preparation of determination in controlling weed growth is checked.
As a result it is illustrated in the following table 2.The percentage of the weeds of effect kill of each processing indicates.
1. weed species of table
2. Weeds distribution effect of table
The result described in the upper table 2 can be seen that with individual amicarbazone and metsulfuron-methyl or from two kinds of active components
The effect of combined prediction compare, the preparation of the combination comprising amicarbazone and metsulfuron-methyl of the invention is in control targe weeds
In show the effect dramatically increased.The increased effect clearly shows the synergistic effect between two kinds of active components.
Biological example 2
Barley, wheat, oat, sugarcane and triticale plant are sowed in the randomization block in field.
Identify different types of weeds and they in each area relative density in the block, and be recited in the following table 3.
The composition prepared according to above example is applied by spraying for 50 days later in plantation.After spraying, Jiang Gequ
Block is kept for about 2 weeks.After application two weeks, effect of each block with each preparation of determination in controlling weed growth is checked.
As a result it is illustrated in the following table 4.
3. weed species of table
4. Weeds distribution effect of table
The result described in the upper table 4 can be seen that with individual amicarbazone and metsulfuron-methyl or from two kinds of active components
The effect of combined prediction compare, the preparation of the combination comprising amicarbazone and metsulfuron-methyl of the invention is in control targe weeds
In show the effect dramatically increased.The increased effect clearly shows the synergistic effect between two kinds of active components.
Biological example 3
Sugarcane and citrus plant are sowed in the randomization block in field.
Identify different types of weeds and they in each area relative density in the block, and be recited in the following table 5.
The composition prepared according to above example is applied by spraying for 50 days later in plantation.After spraying, Jiang Gequ
Block is kept for about 2 weeks.After application two weeks, effect of each block with each preparation of determination in controlling weed growth is checked.
As a result it is illustrated in the following table 6.
5. weed species of table
6. Weeds distribution effect (%) of table
The result described in the upper table 6 can be seen that with individual amicarbazone and metsulfuron-methyl or from two kinds of active components
The effect of combined prediction compare, the preparation of the combination comprising amicarbazone and metsulfuron-methyl of the invention is in control targe weeds
In show the effect dramatically increased.The increased effect clearly shows the synergistic effect between two kinds of active components.
Biological example 4
Rice plants are sowed in the randomization block in field.
Identify different types of weeds and they in each area relative density in the block, and be recited in the following table 7.
The composition prepared according to above example is applied by spraying for 50 days later in plantation.After spraying, Jiang Gequ
Block is kept for about 2 weeks.After application two weeks, effect of each block with each preparation of determination in controlling weed growth is checked.
As a result it is illustrated in the following table 8.
7. weed species of table
8. Weeds distribution effect of table
The result described in the upper table 8 can be seen that with individual amicarbazone and metsulfuron-methyl or from two kinds of active components
The effect of combined prediction compare, the preparation of the combination comprising amicarbazone and metsulfuron-methyl of the invention is in control targe weeds
In show the effect dramatically increased.The increased effect clearly shows the synergistic effect between two kinds of active components.
Claims (42)
1. a kind of composition, the composition includes (A) amicarbazone and (B) metsulfuron-methyl of herbicidally effective amount.
2. the weight ratio of composition according to claim 1, wherein amicarbazone and metsulfuron-methyl is from 99:1 to 1:99
In the range of.
3. the weight ratio of composition according to claim 2, wherein amicarbazone and metsulfuron-methyl is from 70:1 to 1:70.
4. the weight ratio of composition according to claim 3, wherein amicarbazone and metsulfuron-methyl is from 40:1 to 1:40.
5. the weight ratio of composition according to any preceding claims, wherein amicarbazone and metsulfuron-methyl is higher than 1:1.
6. the weight ratio of composition according to claim 5, wherein amicarbazone and metsulfuron-methyl is from 50:1 to 5:1.
7. the weight ratio of composition according to claim 6, wherein amicarbazone and metsulfuron-methyl is from 40:1 to 10:1.
8. the weight ratio of composition according to claim 7, wherein amicarbazone and metsulfuron-methyl is from 30:1 to 10:1.
9. the total amount of composition according to any preceding claims, wherein amicarbazone and metsulfuron-methyl is by weight this
Composition from 5% to 99%.
10. composition according to any preceding claims, wherein the composition include by weight from 1% to 98%
Amicarbazone and by weight from 0.5% to 50% metsulfuron-methyl.
11. composition according to claim 10, wherein the composition include by weight from 10% to 95% ammonia azoles
Humulone and by weight from 0.5% to 30% metsulfuron-methyl.
12. composition according to claim 11, wherein the composition include by weight from 10% to 90% ammonia azoles
Humulone and by weight from 0.5% to 20% metsulfuron-methyl.
13. composition according to claim 12, wherein the composition include by weight from 20% to 85% ammonia azoles
Humulone and by weight from 0.5% to 10% metsulfuron-methyl.
14. composition according to any preceding claims, the composition further includes one kind selected from the following terms
Or a variety of auxiliary agents:Filler, carrier, solvent, surfactant, stabilizer, antifoaming agent, antifreezing agent, preservative, antioxidant,
Colorant, thickener, solid adhesive agent, filler, wetting agent, dispersant, lubricant, anticaking agent, denaturant and diluent.
15. composition according to any preceding claims, the composition is configured to water-soluble liquor (SL), missible oil
(EC), emulsion (EW), microemulsion (ME), suspending agent (SC), oil-based suspension (OD), flowable suspending agent (FS), water-dispersible grain
Agent (WG), wettable powder (WP), water solube powder (SP), granula (GR), encapsulates granula (CG), is thin water-soluble granule (SG)
Granula (FG), big granula (GG), aqueous suspension emulsion (SE), capsule suspension (CS) and fine granule (MG).
16. composition according to claim 15, the composition is configured to water dispersible granules (WG).
17. a kind of Herbicidal combinations substantially as described above.
18. a kind of control, in the method for a certain place plant growth, this method includes applying the ammonia of herbicidally effective amount to the place
Azoles humulone and metsulfuron-methyl.
19. according to the method for claim 18, wherein the plant growth be comprising cereal, coffee, fruit, herbage or
It is controlled in the crop of sugarcane.
20. according to the method described in any one of claim 18 or 19, wherein by amicarbazone and metsulfuron-methyl be administered simultaneously to
The place.
21. according to the method for claim 20, wherein ammonia uses the combination according to any one of claim 1 to 17
Object applies amicarbazone and metsulfuron-methyl.
22. according to the method described in any one of claim 18 or 19, wherein amicarbazone and metsulfuron-methyl are successively applied
To the location.
23. the method according to any one of claim 18 to 22, wherein the plant growth controlled is one or more
Plant below:Thorn bud fruit category (Acanthospermum spp.), complexing resistance spp (Aeschynomene spp.), Amaranthus
(Amaranthus spp.), Ambrosia (Ambrosia spp.), Bidens (Bidens spp.), Brachiaria
(Brachiaria spp.), Cenchrus (Cenchrus spp.), Herba Euphorbiae Humifusae category (Chamaesyce spp.), spiderflower category
(Cleome spp.), Commelina (Commelina spp.), crotons category (Croton spp.), knotgrass (Digitaria
Spp.), Shen belongs to (Eleusine spp.), tassel flower category (Emilia spp.), Euphorbia (Euphorbia spp.), root of bidentate achyranthes chrysanthemum
Belong to (Galinsoga spp.), Gnaphalium (Gnaphalium spp.), Heteranthera (Heteranthera spp.), cat
Chrysanthemum (Hypochoeris spp.), Ipomoea (Ipomoea spp.), mother wort (Leonurus spp.), methylene blue Chrysanthemum
(Melampodium spp.), Merremia (Merremia spp.), Panicum (Panicum spp.), elargol Chrysanthemum
(Parthenium spp.), Portulaca (Portulaca spp.), Rhaphanus (Raphanus spp.), quasi- duck tongue Huang category
(Richardia spp.), Ricinus (Ricinus spp.), Rottboellia exaltata L. F category (Rottboellia spp.), Rumex (Rumex
Spp.), Sagittaria (Sagittaria spp.), chrysanthemum harvest spp (Sida spp.), silene (Silene spp.), naked column
Chrysanthemum (Soliva spp.), jowar category (Sorghum spp.), spurrey (Spergula spp.), wood category (Stachys
Spp.), Stellaria (Stellaria spp.), Tagetes (Tagetes spp.) and Vetch (Vicia spp.).
24. according to the method for claim 23, wherein the plant growth controlled is one or more plants below:Thorn
Luxuriant fruit category (Acanthospermum spp.), Amaranthus (Amaranthus spp.), Bidens (Bidens spp.), arm shape
Grass belongs to (Brachiaria spp.), Cenchrus (Cenchrus spp.), Commelina (Commelina spp.), knotgrass
(Digitaria spp.), Shen belong to (Eleusine spp.), tassel flower category (Emilia spp.), Euphorbia (Euphorbia
Spp.), ox achyranthes chrysanthemum spp (Galinsoga spp.), Ipomoea (Ipomoea spp.), Merremia (Merremia spp.),
Mucuna (Mucuna spp.), Panicum (Panicum spp.), Portulaca (Portulaca spp.), Ricinus
(Ricinus spp.), Rottboellia exaltata L. F category (Rottboellia spp.), chrysanthemum harvest spp (Sida spp.) and jowar category
(Sorghum spp.)。
25. according to the method for claim 23, wherein the plant growth controlled is one or more plants below:Arrow
Leaf bur (carrying on the back bur (Sida rhombifolia) in vain), Ba La (bala) (Sida cordifolia Linn (Sida
Cordifolia)), roundleaf Commeline communis (roundleaf Commeline communis (Commelina benghalensis)), black Jack (black-
Jack) (bidens pilosa (Bidens pilosa)), bristle thorn bud fruit (Bristly Starbur) (bristle thorn bud chrysanthemum
(Acanthospermum hispidum)), castor bean (castor-oil plant (Ricinus communis)), Pharbitis purpurea (ipomoea digitata purpurea
(Ipomoea purpurea)), painted euphorbia (white bud painted euphorbia (Euphorbia heterophylla)), sheep's hay (big broomcorn millet
(Panicum maximum)), crinosity wood rose (hair wood rose (Merremia aegyptia)), India eleusine indica (eleusine indica
(Eleusine indica)), itch careless (Itchgrass) (Rottboellia exaltata L. F (Rottboellia cochinchinensis)), tooth
It buys and adds lady's-grass grass (horizontal lady's-grass is careless (Digitaria horizontalis)), Jiang Sencao (Sorghum halepense (Sorghum
Halepense)), lavender tasselled spend (lilac tasselflower) (tassel flower (Emilia sonchifolia)), lead a cow
Flower (leading a cow (Ipomoea triloba) safflower open country), Paraguay thorn bud fruit (Paraguayan starburr) (thorn bud fruit
(Acanthospermum australe)), careless (plantain signalgrass) (the Chinese herbaceous peony Brachiaria Griseb of Chinese herbaceous peony signal
(Brachiaria plantaginea)), potato weeds (potato weed) (root of bidentate achyranthes chrysanthemum (Galinsoga
Parviflora)), roadside wood rose (Roadside woodrose) (Merremia cissoides), red morning glory
(scarlet morning glory) (lobus cardiacus cypress vine (Ipomoea hederifolia)), wrinkle fruit amaranth (Slender
Amaranth) (wrinkle fruit amaranth (Amaranthus viridis)), spine sandbur (sandbur (Cenchrus echinatus)), thorn
Amaranth (spiny amaranth) (thorn amaranth (Amaranthus spinosus)), Surinam careless (Surinam grass) (raw arm of volt
Shape grass (Brachiaria decumbens)), lamb's-quarters beans (Velvetbean) (Mucuna species (Mucuna spp.)) and
Purslane (verdolaga) (purslane (Portulaca oleracea)).
26. the method according to any one of claim 18 to 25, wherein the weight of the amicarbazone and metsulfuron-methyl that use
Than being from 99:1 to 1:In the range of 99.
27. according to the method for claim 26, wherein the weight ratio of the amicarbazone and metsulfuron-methyl that use is from 70:1 to
1:70。
28. according to the method for claim 27, wherein the weight ratio of the amicarbazone and metsulfuron-methyl that use is from 40:1 to
1:40。
29. the method according to any one of claim 18 to 28, wherein the weight of the amicarbazone and metsulfuron-methyl that use
Than being higher than 1:1.
30. according to the method for claim 29, wherein the weight ratio of the amicarbazone and metsulfuron-methyl that use is from 50:1 to
5:1。
31. according to the method for claim 30, wherein the weight ratio of the amicarbazone and metsulfuron-methyl that use is from 40:1 to
10:1。
32. according to the method for claim 31, wherein the weight ratio of the amicarbazone and metsulfuron-methyl that use is from 30:1 to
10:1。
33. the method according to any one of claim 18 to 32, wherein by amicarbazone and metsulfuron-methyl with from 0.1kg/
Total rate of application of ha to 2kg/ha is applied.
According to the method for claim 33,34. wherein by amicarbazone and metsulfuron-methyl with from 400g/ha to 1200g/ha
Total rate of application application.
35. the rate of application of the method according to any one of claim 18 to 34, the wherein active constituent is from 400g/ha
Metsulfuron-methyl to the amicarbazone of 1200g/ha and from 10g/ha to 100g/ha.
36. according to the method for claim 35, the rate of application of the wherein active constituent is from 500g/ha to 1000g/ha
Amicarbazone and metsulfuron-methyl from 10g/ha to 80g/ha.
37. the method according to any one of claim 18 to 36, wherein by amicarbazone and metsulfuron-methyl before planting, sprout
It is applied before hair and/or after sprouting.
38. according to the method for claim 37, wherein by amicarbazone and metsulfuron-methyl before sprouting and/or to be controlled
It is applied soon after plant germination.
39. according to the method for claim 38, wherein amicarbazone and metsulfuron-methyl are carried out before sprouting and/or after sprouting
Using the 4 leaf phases up to development of plants to be controlled.
40. a kind of method for controlling undesirable plant growth substantially as described above.
41. purposes of the combination of amicarbazone and metsulfuron-methyl in controlling a certain place plant growth.
42. the purposes of the combination of amicarbazone and metsulfuron-methyl substantially as described above.
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