CN105707102B - A kind of Synergistic herbicide compositions - Google Patents
A kind of Synergistic herbicide compositions Download PDFInfo
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- CN105707102B CN105707102B CN201410727230.8A CN201410727230A CN105707102B CN 105707102 B CN105707102 B CN 105707102B CN 201410727230 A CN201410727230 A CN 201410727230A CN 105707102 B CN105707102 B CN 105707102B
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Abstract
The application of the undesirable plant in useful plant is selectively prevented and kill off the present invention relates to a kind of Synergistic herbicide compositions and Synergistic herbicide compositions.A kind of Synergistic herbicide compositions, which is characterized in that including iodosulfuron-methyl-sodium and pyraflufen-ethyl active constituent, the iodosulfuron-methyl-sodium and pyraflufen-ethyl weight proportion range are 50:1 to 1:50.The Synergistic herbicide compositions, which is characterized in that iodosulfuron-methyl-sodium and pyraflufen-ethyl active component content account for 0.5% the 60% of the Synergistic herbicide compositions.The application of the undesirable plant in useful plant is selectively prevented and kill off the invention further relates to a kind of Synergistic herbicide compositions.
Description
Technical field
The present invention relates to a kind of Synergistic herbicide compositions and Synergistic herbicide compositions selectively to prevent and kill off useful plant
In undesirable plant application.
Background technology
Iodosulfuron-methyl-sodium（Idosulfuron-methyl sodium）, the iodo- 2- of chemical name 4- [3- (4- methoxies
Base -6- methyl-1s, 3,5- triazine -2- bases) urea sulfonyl] methyl benzoate sodium salt.Iodosulfuron-methyl-sodium is by Ai Gefu companies
Develop, worked by inhibiting acetolactate synthestase, be mainly used for preventing and kill off in early days after wheat paddock seedling rye grass, wild oat,
Timothy grass and a variety of broad leaved weeds.Iodosulfuron-methyl-sodium structural formula is：
Pyraflufen-ethyl（Pyraflufen-ethyl）, molecular formula C15H13Cl2F3N2O4, the chloro- 5- of chemical name 2- (the chloro- 5- of 4- bis-
Fluorine methoxyl group -1- methylpyrazole -3- bases) -4- fluorophenoxyacetate ethyl esters.Pyraflufen-ethyl is proporphyrinogen oxidase inhibitor, it
By making to play drug effect by protogen IX accumulates in plant cell.After the medicament cauline leaf process, plant can be rapidly absorbed
In tissue, make plant necrosis quickly, or under sunlight, keeps cauline leaf dehydration withered.Pyraflufen-ethyl is mainly used for preventing and kill off broad-leaved miscellaneous
Careless such as clearvers, deaf nettle, chickweed, Veronica persica, scentless mayweed.Pyraflufen-ethyl has choosing well to cereal crop
Selecting property influences succession crop noresidue though there is certain of short duration injuries.Early stage seedling post-processing activity is best.Pyraflufen-ethyl right and wrong
Selective broadleaf weed herbicide, pyraflufen-ethyl is on the market primarily as cotton defoliant, non-selective crop-planting at present
Preceding burns the grass on waste land, in addition or soybean, wheat, weed control agent after the seedling of corn field.Pyraflufen-ethyl is cheap, on the market generally
It is used in combination with another broadleaved herb herbicide, plays the role of synergy for the control of intractable weeds.And pyraflufen-ethyl pair
Obstinate broad leaved weed is without control action before seedling.
Invention content
Purpose of the present invention is to places against the above deficiency to provide a kind of Synergistic herbicide compositions, iodosulfuron-methyl-sodium and pyrrole
Careless ether combination not only causes widening to the activity profile of controlling weeds, and plays the role of synergy.
The new compositions that the surprised discovery of the present invention, iodosulfuron-methyl-sodium and pyraflufen-ethyl combine are miscellaneous in keeping from ill
Gain effect is achieved on grass, significantly reduces the amount of active constituent needed for control of weeds, and is not had to the phytotoxicity of crop
Generate unacceptable toxicity.Iodosulfuron-methyl-sodium and the activity of weeding of pyraflufen-ethyl combination are imitated higher than the adduction of each compound
It answers.
A kind of Synergistic herbicide compositions of the present invention are that following technical scheme is taken to realize：
A kind of Synergistic herbicide compositions, which is characterized in that described including iodosulfuron-methyl-sodium and pyraflufen-ethyl active constituent
Iodosulfuron-methyl-sodium and pyraflufen-ethyl weight proportion range are 50:1 to 1:50, preferably 25:1 to 1:25, preferably 10:1 to 1:10.
The Synergistic herbicide compositions, wherein iodosulfuron-methyl-sodium account for the synergy with pyraflufen-ethyl active component content
The 0.5%-60% of Herbicidal combinations, preferably 5%-40%, more preferable 5%-20%.
The Synergistic herbicide compositions, including iodosulfuron-methyl-sodium and pyraflufen-ethyl, auxiliary agent and/or filler.
The Synergistic herbicide compositions, dosage form are wettable powder, missible oil, suspending agent, microcapsules, microemulsion, water
Emulsion, suspended emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent, ultra low volume liquids.
Application of the Synergistic herbicide compositions in preventing and kill off grass family, broad-leaved section weeds, sedge weed.
A method of the undesirable plant of control, including：（i）Before undesirable plant germination（Before bud）；（ii）
After undesirable plant germination（After bud）, or（iii）（i）With（ii）When, by the increasing of the claim 1 of herbicidally effective amount
Effect Herbicidal combinations are applied on the growth place or leaf or stem of undesirable plant.
A method of the Synergistic herbicide compositions of herbicidally effective amount are used for crop by the undesirable plant of control
Preceding and preceding controlling weeds of after planting emerging are sowed, or undesirable plant is prevented after crop emergence.
The method of the described undesirable plant of control, wherein the crop include wheat, barley, rice, corn, sorghum,
Sugarcane, soybean, rape, cotton.
It is a kind of novel having synergistic effect that the present invention provides, and can be used for the Herbicidal synergistic combination of selective weed control
Object.
On the one hand, in Synergistic herbicide compositions of the invention, the application of single compound iodosulfuron-methyl-sodium, pyraflufen-ethyl
Rate can reduce and still reach good effect；On the other hand, when single compound is shown due to low-down rate of application
When showing invalid and the present invention composition it is still very high to the degree of control of weeds.
This Synergistic herbicide compositions prevent and kill off the undesirable plant useful plant suitable for selectivity.
The present invention also relates to prevent and kill off in useful crop to be not intended to the method for plant and answering for this Synergistic herbicide compositions
With.
The Synergistic herbicide compositions of the present invention can be used to prevent a large amount of agriculturally important weeds, such as grass family, wealthy
Leaf section and/or sedge weed.
The Synergistic herbicide compositions of the present invention are suitble to prevent a large amount of monocotyledon weeds, especially grassy weed, including swallow
Wheat category (Avena spp.), amur foxtail category (Alopecurus spp.), false Agrostis (Apera spp.), Brachiaria
(Brachiaria spp.), Brome (Bromus spp.), knotgrass (Digitaria spp.), Lolium (Lolium
Spp.), Echinochloa (Echinochloa spp.), Sprangletop (Leptochloa spp.), genus fimbristylis (Fimbristylis
Spp.), Panicum (Panicum spp.), phalaris arundinacea (Phalaris spp.), Poa L. (Poa spp.), setaria
(Setaria spp.)；And Agropyron (Agropyron), Cynodon (Cynodon), cogon in perennial kind
(Imperata) and sorghum.It is particularly suitable for preventing and treating wild oat（Avenafatua L.）, lady's-grass）
（Digitariasanguinalis (L. ) Scop.）, green bristlegrass（Setariaviridis (L.) Beauv.）, amur foxtail
（AlopecurusaequalisSobol.）, barnyard grass（Echinochloacrusgalli (L.) Beauv.）, eleusine indica
（Eleusineindica）, Bermuda grass（Cynodondactylon）, ditch millet（Paspalumscrobiculatum Linn.）, it is big
Broomcorn millet（Panicum maximum Jacq.）, bog pondweed（Potamogetondistinctus A.Bennett）, Brachiaria Griseb
（Brachiariaeruciformis (J. E. Smith) Gri）, annual bluegrass（PoaannuaL）.
The Synergistic herbicide compositions of the present invention are also suitable for preventing a large amount of broadleaf weeds, especially broad leaved weed, including piemarker
Fiber crops belong to (Abutilon spp.), Amaranthus (Amaranthus spp.), Chenopodium (Chenopodium spp.), crowndaisy chrysanthemum category
(Chrysanthemum spp.), galium (Galium spp.), Ipomoea (Ipomoea spp.), Kochia (Kochia
Spp.), lamium (Lamium spp.), Matricaria (Matricaria spp.), ipomoea (Pharbitis spp.), knotweed
Belong to (Polygonum spp.), chrysanthemum harvest spp (Sida spp.), sinapsis alba category (Sinapis spp.), Solanum (Solanum
Spp.), Stellaria (Stellaria spp.), Veronica (Veronica spp.), Eclipta prostrata category (Eclipta spp.), field
Cyanines category (Sesbania spp.), Aeschynomene spp. and Viola (Viola spp.), Xanthium (Xanthium
Spp.) annual grassy weeds and japanese bearbind genus (Convolvulus), Cirsium (Cirsium), Rumex (Rumex) and the artemisia such as
(Artemisia) perennial weeds such as.It is particularly suitable for preventing and treating chickweed (Stellaria media), Amaranthus retroflexus
(Amaranthusretroflexus), volume stem smartweed (Fallopia (ex Polygonum) Convolvulus), piemarker
(Abuthilontheophrasti), angustifolia arrowhead herb（Sagittariatrifolia）, rhizoma alismatis（Oriental Waterplantain
Rhizome）, Monochoria vaginalis（Herb of Pygmy Arrowhead）, Monochoria korsakowii（Monochoriakorsakowii）, Procumbent Falsepimpernel
（Linderniaprocumbens）, black nightshade (Solanumnigrum L.), firefly Lin（ScirpusjuncoidesRoxb）, lamb's-quarters
（Chenopodium alum L.）, clearvers（Galiumaparine L. var. tenerum Gren.et (Godr.)
Rebb.）, shepherd's purse（Capsella bursa-pastoris）.
The Synergistic herbicide compositions of the present invention are also suitable for a large amount of annual and perennial sedge weed such as rhizome ofs nutgrass flatsedge of prevention
（cyperusrotundus L.）, chufa（Cyperusesculentus L.）, Ji Shacao（Cyperusbrevifolius
H.）, yellow grain husk nutgrass flatsedge（CyperusmicroiriaSteud）, cyperus iria（Cyperusiria L.）, fescue
（Bulbostylisbarbata（Rotth.）Kunth）, Chufa（Eleocharistuberosa）, kyllinga brevifolia
（KyllingabrevifoliaRottb）, difformed galingale herb（Cyperusdifformis L.）.
The Synergistic herbicide compositions of the present invention are suitble to prevent and kill off undesirable plant in useful plants.Herbicidal synergistic of the present invention
Composition generally is suitable for preventing and kill off undesirable plant growth in following useful plant：Cereal such as wheat
(Triticumaestivum), corn（Zea mays）, sorghum, rice such as rice（Oryza sativa）;Sugarcane；Beans
（Legumes）Such as soybean（Glycine max.）；Peanut（Arachishypogaea）;Cruciferae such as rape
（Brassicanapus）;Other broad leaf crops, for example, including sunflower, cotton, flax, linseed, sugar beet, potato and
Tomato.
The Synergistic herbicide compositions of the present invention are particluarly suitable for wheat, barley, rye, rice, corn, sugarcane, sorghum, big
The growth of undesirable plant is prevented and kill off in beans, peanut, sunflower, sugar beet, potato, cotton rape.
The Synergistic herbicide compositions of the present invention be particularly suitable for being applied to wheat, barley, rice, corn, sorghum, sugarcane, soybean,
In rape.
On the other hand the present invention also provides a kind of methods of the undesirable plant of control, including：（i）In undesirable plant
Before germination（Before bud）；（ii）After undesirable plant germination（After bud）, or（iii）（i）With（ii）When, weeding is had
The Synergistic herbicide compositions of effect amount are applied on the growth place or leaf or stem of undesirable plant.
When Synergistic herbicide compositions of the present invention are applied before undesirable plant germination, undesirable plant can be entirely prevented
Object is emerged or then undesirable plant growth stops growing to cotyledon period and completely dead after 3-4 weeks.
It, can be when the Synergistic herbicide compositions of the present invention are applied to green plant part after undesirable plant germination
Same growth that is rapid and effectively preventing undesirable plant after processing.Undesirable plant is maintained at use after a period of time
When existing growth period, more or less die off rapidly, therefore in this way can using Synergistic herbicide compositions of the present invention
The competition of undesirable plant harmful to crop is enduringly prevented with rapid while reducing the loss of crop quality and quantity.
The present invention also provides a kind of methods of the undesirable plant of control, by the Synergistic herbicide compositions of the present invention for making
Controlling weeds before emerging before object sowing and after planting, or prevent undesirable plant after crop emerges.
The Synergistic herbicide compositions of the present invention are before resistant to herbicide or tolerance crop plants plantation or emergence
Can apply at least once, with realize effectively prevent undesirable plant and composition also can to herbicide it is resistant or tolerance
The crop of property goes out postemergence application.
If active constituent cannot be gone out Synergistic herbicide compositions of the present invention in crop by the good tolerance of certain crop plants
Postemergence application, then can be by the protective device weed sprays composition of suitable fog-spray nozzle, so that sensitive in the field of crop
The stem and leaf of crop plants do not contact as far as possible, and reactive compound reaches the leaf for being grown in following undesirable plant
Sub or exposed soil surface.
In the Synergistic herbicide compositions of the application present invention, iodosulfuron-methyl-sodium, pyraflufen-ethyl can be applied together.Term
" applying together " includes separating, successively and being administered simultaneously.Equally, it is not meant to the grand sodium of compounds methyl iodine sulphur using composition
Salt, pyraflufen-ethyl must be used as single formulation or be administered simultaneously as tank mix, and composition also includes that herbicide methyl iodide sulphur is grand
The separated preparaton of sodium salt, pyraflufen-ethyl, these preparatons can be used as single tank mix application, or apply measure by separated
Using.Under any circumstance, Synergistic herbicide compositions of the present invention can simultaneously or sequentially be applied.
Can with but be not essential and be, herbicide iodosulfuron-methyl-sodium, pyraflufen-ethyl are prepared in single formulation.
Before use, herbicide iodosulfuron-methyl-sodium, pyraflufen-ethyl are combined as tank mix.However, can also provide herbicide methyl iodide
The pre-composition of the grand sodium salt of sulphur, pyraflufen-ethyl.The present composition can in a usual manner be applied by technology known to technical staff.It closes
Suitable technology includes spraying, atomization, dusting, broadcasts sowing or pour.Administration form depends on desired purpose in a manner known；
They are it is ensured that the best of inventive compound may distribution in any case.
The method of the present invention is most preferably for the weeds in prevention crop growing loci.When for crop growing loci, apply
Dosage should be enough to control weed growth but will not generate serious permanent injury to crop.
Rate of application can change in a wide range, depend on the characteristic of soil, method of administration（Before bud or after bud；Kind
Attached bag clothing；It is applied on having sowed soil；Bare place application etc.）, crop, the weeds that need to be prevented, weather conditions, by application side
The other factors that method, administration time and Target crops are determined.In general, active compound composition rate of application of the invention is
10-2000 grams of active material/hectare, especially 20-1000 grams active material/hectare, especially 20-500 grams active material/public affairs
Hectare.
Super adduction can be generated when iodosulfuron-methyl-sodium and the combined administration of pyraflufen-ethyl（=synergy）Effect.The synergy is made
With should be able to reduce the rate of application of each active material, improve drug effect under identical rate of application, the species that prevention can not still prevent so far,
Extend administration period, the number being administered alone needed for reduction.Therefore for user, be economically with it is more advantageous in ecology
Weeds resist system.This activity can especially reduce amount of application, and it is miscellaneous to control broader spectrum of broad-leaved section, grass family, Cyperaceae
Grass compensates for the active loophole of antagonism weed population, rapider and more reliable activity, the longer lasting period, only once or
Application several times can control undesirable plant and extend the working life of active constituent in combination completely.
The Synergistic herbicide compositions of the present invention have the selection of synergy in each case within the scope of very wide mixing ratio
The herbicide effect of property.The weight proportion range of active constituent iodosulfuron-methyl-sodium and pyraflufen-ethyl is 50:1 to 1:50, preferably 25:
1 to 1:25, preferably 10:1 to 1:10.
The combination of iodosulfuron-methyl-sodium and pyraflufen-ethyl has been demonstrated to be very effective the active matter with synergistic effect
Matter composition.
The present invention also provides a kind of Synergistic herbicide compositions, including active component iodosulfuron-methyl-sodium and pyraflufen-ethyl, helping
Agent and/or filler.
In the Synergistic herbicide compositions, the content of active component iodosulfuron-methyl-sodium and pyraflufen-ethyl accounts for the weeding group
Close the 0.5%-60%, preferably 5%-40%, more preferable 5%-20% of object.
According to the present invention, term " filler ", which refers to, can be combined with reactive compound or combines to make it easier for being administered to
Object（Such as plant, crop or careless class）Natural or synthetic organic or inorganic compound.Therefore, the filler is preferably
It is inert, it is acceptable at least to should be agricultural.The filler can be solid or liquid.
It is suitble to the solid-filling agent of the present invention to have：Phyteral powdery type（Such as soy meal, starch, grain dust, wood powder, tree
The particle of Pi Fen, sawdust, walnut shell powder, wheat bran, cellulose powder, coconut husk, corncob and tobacco stem, after extracting plant essence
Residue etc.）, paper, sawdust, crush the synthesized polymer body, clay class of synthetic resin etc.（Such as kaolin, bentonite, acid porcelain
Soil etc.）, talcum powder class.Silica（Such as diatomite, silica sand, mica, aqueous silicic acid, calcium silicates）, activated carbon, natural mineral matter
Class（Float stone, attapulgite and zeolite etc.）, fire diatomite, sand, plastics medium etc.（Such as polyethylene, polypropylene, poly- inclined dichloro
Ethylene etc.）, potassium chloride, calcium carbonate, the inorganic mineral powder of calcium phosphate etc., ammonium sulfate, ammonium phosphate, urea, greening ammonium etc.
Chemical fertilizer, clay fertilizer, these substances can be used alone or two or more is mixed.
It is suitble to the liquid filler of the present invention to have, such as water, alcohol type（Such as methanol, ethyl alcohol, isopropanol, butanol, second two
Alcohol etc.）, ketone（Such as acetone, methyl ethyl ketone, isobutyrone, cyclohexanone etc.）, ethers（Such as ether, dioxanes, first
Base cellulose, tetrahydrofuran etc.）, aliphatic hydrocarbon class（Such as kerosene, mineral oil etc.）, aromatic hydrocarbons class
（Such as benzene,toluene,xylene, solvent naphtha, alkylnaphthalene, chlorinated aromatic hydrocarbons, chlorinated aliphatic hydrocarbon, chlorobenzene, etc.）, halogenated hydrocarbon
Class, amides, sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, animal oil etc..
It is generally contemplated that by one or more surfactants Synergistic herbicide compositions incorporated in the present invention.It lives on surface
Property agent can be anion, cationic or non-ionic and can be used as emulsifier, dispersant or for other purposes.
It can be anion and/or non-example type emulsifier, such as alkane to be suitble to the emulsifier of Synergistic herbicide compositions of the present invention
Base phenol polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene fatty acid ester, gathers alkylphenol-polyethenoxy polyethenoxy ether
Ethylene oxide fatty alcohol ether, polyoxyethylene fatty amine, alkyl phenol polyglycol ether etc..
It is suitble to the dispersant of Synergistic herbicide compositions of the present invention that can be alkylnaphthalene sulfonate, is double（Alkyl）Naphthalene sulfonate first
Aldehyde condensate, naphthalene sulfonic acid-formaldehyde condensation product, alkylphenol-polyethenoxy based phosphates, alkylphenol-polyethenoxy base ether formaldehyde condensation products
Sulfate, alkyl phenol polyoxyethylene ether phosphate, alkyl phenol polyoxyethylene ether, castor oil ethylene oxide adduct, ethylene oxide-
Propylene oxide block copolymer, APES formaldehyde condensation product, octylphenol polyethylene oxyethylene group ether sulfate and methyl
Cellulose.Such as sodium lignin sulfonate, calcium lignosulfonate, methyl naphthalene sulfonate formaldehyde condensate, naphthalene sulfonate formaldehyde condensation
Object, methanonaphthalene sodium sulfonate etc..
Other auxiliary materials commonly used in Pestcidal compositions include solubilizer, antifoaming agent, masking agent, neutralizer and buffer solution,
Penetrant, sticker, antifreezing agent, antiseptic, colorant etc..
The wherein optional spent glycol of antifreezing agent, propylene glycol, glycerine, sorbierite.Deflocculant as suspension product
The adjuvant such as naphthalene sulfonic acid polymer, polymeric phosphate can be used.
Organic silicon defoamer can be used as antifoaming agent.
The colorant that can be used, such as inorganic pigment, such as iron oxide, titanium oxide and Prussian blue；And organic pigment/
Dyestuff：Alizarin dyes, azo dyes and metallized phthalocyanine dye；And trace element, such as molysite, manganese salt, boron salt, mantoquita, cobalt
Salt, molybdenum salt and zinc salt.
Form that can be any commonly employed uses Synergistic herbicide compositions of the invention.The blade face Exemplary dosage forms of premix composition
It is：
GR：Granule
WP：Wettable powder
WG：The dispersible granula of water
SG：Soluble granule
SL：Soluble concentrate
EC：Missible oil
EW：Emulsion, aqueous emulsion
ME：Microemulsion
SC：Suspending agent
CS：Microcapsule suspending agent
OD：Oil-based suspension
SE：Suspension emulsion
FS：Seed coat agent
Currently preferred dosage form can be wettable powder, missible oil, suspending agent, microcapsules, microemulsion, aqueous emulsion, hang
Floating emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent, water-soluble granule, water-soluble granule pulvis, ultra low volume liquids.
The present invention also provides a kind of Synergistic herbicide compositions, including active component iodosulfuron-methyl-sodium and pyraflufen-ethyl, peace
Full agent, auxiliary agent and/or filler.Safener can be selected from isoxadifen, benoxacor, fenclorim, dichlormide and pyrazoles solution
Careless ester.The ratio of herbicide and safener is typically 100:1 to 1:20, preferably 20:1 to 1:10.
Safener selected from isoxadifen, benoxacor, fenclorim, dichlormide and mefenpyrdiethyl can be used in advance
Handle the seed material of cultivated plant（Seed dressing or dressing are transplanted）Can prior to seeding or after mix in soil；It can also be sent out in plant
After bud individually or applied together with herbicide.Therefore, with safener handle plant or seed in principle not by herbicide application when
Between influence.Moreover, can also be by the way that herbicide and safener be administered simultaneously（Such as in the form of tank mix）Carry out the place of plant
Reason.In order to which application is convenient, by the safener selected from isoxadifen, benoxacor, fenclorim, dichlormide and mefenpyrdiethyl
It is configured to the present invention's together with auxiliary agent conventional in formulation technology with iodosulfuron-methyl-sodium and the composition of pyraflufen-ethyl
Herbicidal combinations.
In the case where field is handled, can by using containing safener and the composition of herbicide tank mix or apply respectively
It is handled with safener and herbicide.In the case where field is handled, 0.001-1.0kg safeners/ha is usually applied, it is excellent
Select 0.001-0.25 kg safeners/ha.
For seed dressing, 0.001-10g safeners/kg seeds, preferably 0.05-2g safeners/kg seeds are usually applied.
Specifically, in weed control methods of the invention, the crop production environment of weed control is carried out as needed first
Real area and above-mentioned environment in weeds growing state, estimate the amount of the herbicide substantially needed, arbitrarily choose wettable
Property pulvis or missible oil or suspending agent or dispersible oil-suspending agent or seed coat agent or microemulsion or aqueous emulsion or water-dispersible grain
Synergistic herbicide compositions are diluted with water into certain density dilution, are finally applied to undesirable plant by the herbicide of agent
Object or its location.
It, can be with it is anticipated that object is selected from method of administration with popular environment, such as blade face be impregnated with, sprays according to formulation properties
Mist dusts, scatters and selected.Synergistic herbicide compositions of the present invention can be by using conventional ground or high-altitude duster, spray
Day with fog and pellet applicator, by being added to irrigation water and being applied by other conventional methods well known by persons skilled in the art
For undesirable plant or its location.
Synergistic herbicide compositions of the present invention can be applied either individually or as a part for multicomponent weeding system.The present invention
Synergistic herbicide compositions can be administered in combination with one or more other herbicides to control the undesirable plant of wider scope
Object.When being used in combination with other herbicides, composition can be mixed with other herbicide formulations, with other herbicides or with
Other herbicide sequential applications.
The present invention has the advantages that compared with prior art：
Iodosulfuron-methyl-sodium and pyraflufen-ethyl combination have been more than the expected addition to controlling weeds in principle, because
This has especially widened the sphere of action of two kinds of active components at following two aspects：First, the dosage of single compound is reduced,
Good exposure level is maintained, single material becomes invalid situation under low amount ranges from the viewpoint of agricultural
Under, it is horizontal that the present composition can also obtain high control of weeds；Next increases the selectivity to useful plants crop, this is just
It is required and desired in the case where being not intended to be excessively used active constituent.The Synergistic herbicide compositions of the present invention are being kept very
While preventing the weeds in useful plants well, also there is larger adaptability to succession crop.
When the activity of weeding of active compound is more than the sum of activity when each reactive compound is used alone, then always
It is the presence of synergistic effect.
Specific implementation mode
Below with reference to specific embodiment, the invention will be further described, but it is specific not limit the invention to these
Embodiment.One skilled in the art would recognize that present invention encompasses the institutes that may include in Claims scope
There are alternative, improvement project and equivalent scheme.
Example of formulations
Embodiment 1：Grand+0.6% pyraflufen-ethyl oil-suspending agent of sodium of 6% methyl iodide sulphur
The grand sodium of methyl iodide sulphur 6%
Pyraflufen-ethyl 0.6%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Bentonite 1%
Glycerine 5%
Corn oil complements to 100%
The each components such as active component, dispersant, wetting agent and corn oil are uniformly mixed according to the ratio of formula, it is ground
And/or grand+0.6% pyraflufen-ethyl oil-suspending agent of sodium of 6% methyl iodide sulphur is obtained after high speed shear.
Grand+10% pyraflufen-ethyl wettable powder of sodium of 2 2% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 2%
Pyraflufen-ethyl 10%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Active constituent, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating, i.e.,
Obtain grand+10% pyraflufen-ethyl wettable powder of sodium of 2% methyl iodide sulphur.
Grand+5% pyraflufen-ethyl wettable powder of sodium of 3 0.2% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 0.2%
Pyraflufen-ethyl 5%
Calcium dodecyl benzene sulfonate 1%
Sodium lignin sulfonate 2%
White carbon supply is to 100%
Active constituent, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating, i.e.,
Obtain grand+5% pyraflufen-ethyl wettable powder of sodium of 0.2% methyl iodide sulphur.
Grand+50% pyraflufen-ethyl water dispersible granules of sodium of 4 5% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 5%
Pyraflufen-ethyl 50%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Active constituent, dispersant, wetting agent, disintegrant and filler are mixed according to the formula uniformly, by air-flow powder
It is broken into wettable powder, a certain amount of water mixing extruding is added and makes material.Obtained after dry sieve the 5% grand sodium of methyl iodide sulphur+
50% pyraflufen-ethyl water dispersible granules.
Grand+0.5% pyraflufen-ethyl missible oil of sodium of 5 0.5% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 0.5%
Pyraflufen-ethyl 0.5%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethyl sulfoxide (DMSO) complements to 100%
Mentioned component is proportionally prepared, uniform phase is uniformly mixing to obtain.
Grand+5% pyraflufen-ethyl oil suspension emulsion of sodium of 6 0.1% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 0.1%
Pyraflufen-ethyl 5%
Methyl naphthalene sulfonate formaldehyde condensate 5%
Ethoxylated castor oil 3%
Bentonite 1%
Aromatic solvent 100 20%
Soybean oil complements to 100%
Pyraflufen-ethyl oil is obtained by pyraflufen-ethyl, after methyl naphthalene sulfonate formaldehyde condensate is ground and/or high speed shear to suspend
Agent；It is mixed evenly the grand sodium of methyl iodide sulphur, aromatic solvent 100, ethoxylated castor oil to obtain the breast of the grand sodium of methyl iodide sulphur
Oil；The grand sodium missible oil of obtained methyl iodide sulphur is added in pyraflufen-ethyl oil-suspending agent, grand+5% pyrrole of the sodium grass of 0.1% methyl iodide sulphur is obtained
Ether oil suspending agent.
Grand+0.1% pyraflufen-ethyl wettable powder of sodium of 7 5% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 5%
Pyraflufen-ethyl 0.1%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components are mixed in proportion, and grinds, crush, are prepared into wettable powder.
Grand+2.5% pyraflufen-ethyl water dispersible granules of sodium of 8 0.1% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 0.1%
Pyraflufen-ethyl 2.5%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 1%
Urea 5%
Kaolin complements to 100%
By the grand sodium of methyl iodide sulphur, pyraflufen-ethyl active constituent, dispersant, wetting agent, disintegrant and filler in the ratio of formula
It is uniformly mixed, by air-flow crushing at wettable powder；It adds a certain amount of water mixing extruding and makes material.After dry sieve
To grand+2.5% pyraflufen-ethyl water dispersible granules of sodium of 0.1% methyl iodide sulphur.
Grand+0.1% pyraflufen-ethyl aqueous emulsion of sodium of 9 2.5% methyl iodide sulphur of embodiment
Oil phase：
The grand sodium of methyl iodide sulphur 2.5%
Methyl oleate 10%
Ethoxylated castor oil 5%
Water phase：
Pyraflufen-ethyl 0.1%
The sodium salt 1% of naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Water complements to 100%
The grand sodium of methyl iodide sulphur, pyraflufen-ethyl are dissolved in methyl oleate, ethoxylated castor oil is added and obtains oil phase；According to
By the sodium salt of naphthalene sulfonic acids-formaldehyde condensation products of sulfonation, water is uniformly mixed and obtains water phase formula；Oil phase is added under stiring
Water phase obtains aqueous emulsion.
Grand+15% pyraflufen-ethyl wettable powder of sodium of 10 5% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 5%
Pyraflufen-ethyl 15%
Sodium lignin sulfonate 1%
NaLS 2%
The silicic acid 1% of high degree of dispersion
Kaolin complements to 100%
Said components are mixed in proportion, and grinds, crush, are prepared into wettable powder.
Grand+5% pyraflufen-ethyl coated granule of sodium of 11 25% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 25%
Pyraflufen-ethyl 5%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
It in a mixer, will be on levigate active constituent even spread to the carrier soaked by polyethylene glycol.By this method
It can get dust-free coated granules agent.
Grand+2.5% pyraflufen-ethyl wettable powder of sodium of 12 2.5% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 2.5%
Pyraflufen-ethyl 2.5%
Lauryl sodium sulfate 1%
Sodium lignin sulfonate 1%
Kaolin complements to 100%
Said components are mixed in proportion, and grinds, crush, are prepared into wettable powder.
Grand+5% pyraflufen-ethyl of sodium of 13 5% methyl iodide sulphur of embodiment squeezes out granule
The grand sodium of methyl iodide sulphur 5%
Pyraflufen-ethyl 5%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed and ground with auxiliary agent, mixture is soaked with water.The mixture is squeezed out, then in air stream
Middle drying.
Grand+5% pyraflufen-ethyl seed coat agent of sodium of 14 0.5% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 0.5%
Pyraflufen-ethyl 5%
Fatty alcohol polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
PVP-K30 1%
Water complements to 100%
Above-mentioned each component is mixed in proportion, and through being sanded, is prepared into seed coat agent.
Grand+0.3% pyraflufen-ethyl ZC of sodium of 15 0.2% methyl iodide sulphur of embodiment
ATLOX TM4913 4%
Citric acid 0.05%
Catalyst 0.1%
Water 13%
Pyraflufen-ethyl 0.3%
PAPI 1.35%
SOLVESSOTM100 10%
ATLOX TM4913 16%
Dispersant LFH 0.3%
Antifoaming agent 0.16%
Urea 8.4%
The grand sodium of methyl iodide sulphur 0.2%
Water complements to 100%
By PAPI, pyraflufen-ethyl, SOLVESSOTM100 oil phases formed, which are added, contains ATLOXTMIn 4913 aqueous solution, shape
At emulsion.Then it heats and keeps the temperature 50oCatalyst reaction is added under C 2 hours.The microcapsules of pyraflufen-ethyl is obtained after cooling.
ATLOX TM4913, dispersant LFH, antifoaming agent, urea, the grand sodium of methyl iodide sulphur and water mix in proportion, and
Through being sanded, it is prepared into suspending agent.
Obtained pyraflufen-ethyl microcapsules is added in the suspending agent of the grand sodium of methyl iodide sulphur, is uniformly mixing to obtain 0.2% methyl iodide
Grand+0.3% pyraflufen-ethyl ZC of sodium of sulphur.
Grand+55% pyraflufen-ethyl suspended emulsion of sodium of 16 5% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 5%
Pyraflufen-ethyl 55%
SOLVESSOTM200 10%
Ethoxylated castor oil 4%
Fatty alcohol polyoxyethylene ether sulfosuccinic acid monoesters disodium 5%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Pyraflufen-ethyl is dissolved in SOLVESSOTMIn 200, ethoxylated castor oil is added, obtains the missible oil of pyraflufen-ethyl；
By the grand sodium of methyl iodide sulphur, fatty alcohol polyoxyethylene ether sulfosuccinic acid monoesters disodium, above-mentioned each component mixes in proportion
It closes uniformly, and through being sanded, is prepared into suspending agent.
Oil phase containing pyraflufen-ethyl is added in the grand sodium suspending agent of sulphur containing methyl iodide, suspended emulsion is obtained.
Grand+8% pyraflufen-ethyl missible oil of sodium of 17 2% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 2%
Pyraflufen-ethyl 8%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
SOLVESSOTM200 complement to 100%
Above-mentioned each component is mixed, stirring is to obtaining transparent homogeneous phase.
Grand+50% pyraflufen-ethyl of sodium of 19 50% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 50%
Pyraflufen-ethyl 50%
The grand sodium of methyl iodide sulphur, pyraflufen-ethyl are proportionally uniformly mixed.
Grand+50% mefenpyrdiethyl of+25% pyraflufen-ethyl of sodium of 20 25% methyl iodide sulphur of embodiment
The grand sodium of methyl iodide sulphur 25%
Pyraflufen-ethyl 25%
Mefenpyrdiethyl 50%
Proportioning is weight per distribution ratio in above example.
Biological test example
Evaluation to the mixed synergistic effect for applying middle display of two or more herbicidal active components is to be based on
“CalculationSynergistic and Antagonistic Response of Herbicide Combinations”
What Colby ' the s methods described in (Weeds 15/1 (1967), S.R.Colby) determined.
Calculation formula such as following formula（1）It is shown
……………………………………(1)
Formula（1）Middle X indicates control of weeds (%) of the herbicide A under Xg active ingredients/ha dosages,
Y indicates control of weeds (%) of the herbicide B under Yg active ingredients/ha dosages,
E indicates the expection control of weeds (%) under X+Yg active ingredients/ha dosages.
If the actual control of weeds rate observed in biologic test is more than to be calculated using Colby ' s methods
Desired value (E), then it represents that the effect of Synergistic herbicide compositions is more than the summation of each agent effectiveness, it means that composition, which has, to be increased
Effect acts on.
Test method：
Unifacial leaf and dicotyledonous harmful plants are placed in the peat basin (diameter 4cm) equipped with sandy loam, soil is then used
Earth covers.Peat basin is kept in the greenhouse under optimum condition.
Cultivation start after about 4 weeks, in the 2 leaf phases to 4 leaf phases handle test plants.In order to further cultivate plant, then
Peat basin is kept in the greenhouse under optimum condition.3 kinds of reagents are prepared according to constant weight percentage：1, methyl iodide sulphur is grand
Sodium；2, pyraflufen-ethyl；3, the grand sodium+pyraflufen-ethyl of methyl iodide sulphur.Above-mentioned each reagent is diluted with water later, obtains medicament dilution.
The visual score of herbicidal effect is up under 21 days time intervals and carries out after the treatment.Scoring be with do not locate
The percentage that the check plant of reason is compared carries out.0%=is without activity of weeding, the complete activity of weeding of 100%==kill completely
Extremely.
As a result：
The Synergistic herbicide compositions of the present invention are directed to the important noxious plant of following wide spectrum respectively（Grassy weed, broad-leaved
Weeds, sedge weed) it is tested：Chickweed (Stellaria media), Amaranthus retroflexus (Amaranthusretroflexus),
Volume stem smartweed (Fallopia (ex Polygonum) Convolvulus), piemarker (Abuthilontheophrasti), angustifolia arrowhead herb
（Sagittariatrifolia）, rhizoma alismatis（Oriental Waterplantain Rhizome）, Monochoria vaginalis（Herb of
Pygmy Arrowhead）, Monochoria korsakowii（Monochoriakorsakowii）, Procumbent Falsepimpernel（Linderniaprocumbens）, dragon
Certain herbaceous plants with big flowers (Solanumnigrum L.), firefly Lin（ScirpusjuncoidesRoxb）, difformed galingale herb（Cyperusdifformis
L.）, lamb's-quarters（Chenopodium alum L.）, wild oat（AvenafatuaL.）, clearvers（Galiumaparine L. var.
tenerum Gren.et (Godr.) Rebb.）, shepherd's purse（Capsella bursa-pastoris）.
To shepherd's purse（Capsella bursa-pastoris）Preventive effect
To wild oat（Avenafatua L.）Preventive effect
To difformed galingale herb（Cyperusdifformis L）Preventive effect
Chickweed (Stellaria media), Amaranthus retroflexus are prevented and kill off in the grand sodium of methyl iodide sulphur and pyraflufen-ethyl combination
(Amaranthusretroflexus), volume stem smartweed (Fallopia (ex Polygonum) Convolvulus), piemarker
(Abuthilontheophrasti), angustifolia arrowhead herb（Sagittariatrifolia）, rhizoma alismatis（Oriental Waterplantain
Rhizome）, Monochoria vaginalis（Herb of Pygmy Arrowhead）, Monochoria korsakowii（Monochoriakorsakowii）, Procumbent Falsepimpernel
（Linderniaprocumbens）, black nightshade (Solanumnigrum L.), firefly Lin（ScirpusjuncoidesRoxb）, it is special-shaped
Nutgrass flatsedge（Cyperusdifformis L.）, lamb's-quarters（Chenopodium alum L.）, wild oat（Avenafatua L.）, pig calamity
Calamity（Galiumaparine L. var. tenerum Gren.et (Godr.) Rebb.）, shepherd's purse（Capsella bursa-
pastoris）Show apparent synergistic effect.Using the Synergistic herbicide compositions of the present invention, to weeds
Herbicide action is more than the summation of independent herbicide action when contained each herbicides compounds are individually sprayed in the present composition.Cause
This, compared with each herbicides compounds list is applied, composition of the invention can provide same under the relatively low dosage of herbicides compounds
Weeds herbicide action.The increase of this activity of weeding and effect and the reduction of active constituent dosage have convincingly demonstrated the present invention
Synergistic effect.
Claims (11)
1. a kind of application of Synergistic herbicide compositions in preventing and kill off leaf mustard, the Synergistic herbicide compositions include the grand sodium of methyl iodide sulphur
Salt and pyraflufen-ethyl active constituent, the iodosulfuron-methyl-sodium and pyraflufen-ethyl weight proportion range are 50:1 to 1:50.
2. application according to claim 1, which is characterized in that the iodosulfuron-methyl-sodium and pyraflufen-ethyl weight proportion model
Enclose is 25:1 to 1:25.
3. application according to claim 1, which is characterized in that the iodosulfuron-methyl-sodium and pyraflufen-ethyl weight proportion model
Enclose is 10:1 to 1:10.
4. application according to claim 1, which is characterized in that the Synergistic herbicide compositions include iodosulfuron-methyl-sodium
With pyraflufen-ethyl, auxiliary agent and/or filler.
5. application according to claim 1, the Synergistic herbicide compositions, dosage form are wettable powder, missible oil, suspension
Agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, granule, microcapsule suspension-suspendinagent agent, water-soluble grain
Agent, water-soluble granule pulvis, ultra low volume liquids.
6. application according to claim 1, which is characterized in that the iodosulfuron-methyl-sodium contains with pyraflufen-ethyl active constituent
Amount accounts for the 0.5%-60% of the Synergistic herbicide compositions.
7. application according to claim 1, which is characterized in that the iodosulfuron-methyl-sodium contains with pyraflufen-ethyl active constituent
Amount accounts for the 5%-40% of the Synergistic herbicide compositions.
8. application according to claim 1, which is characterized in that the iodosulfuron-methyl-sodium contains with pyraflufen-ethyl active constituent
Amount accounts for the 5%-20% of the Synergistic herbicide compositions.
9. application according to claim 1, including：（i）Before undesirable plant germination（Before bud）；（ii）
After undesirable plant germination（After bud）, or（iii）（i）With（ii）When, by the institute of the claim 1 of herbicidally effective amount
Synergistic herbicide compositions are stated to be applied on the growth place or leaf or stem of undesirable plant.
10. application according to claim 1, which is characterized in that remove the synergy described in claim 1 of herbicidally effective amount
Careless composition is for controlling weeds before emerging before crop sowing and after planting, or prevents undesirable plant after crop emerges.
11. application according to claim 10, which is characterized in that the crop includes wheat, barley, rice, corn, height
Fine strain of millet, sugarcane, soybean, rape, cotton.
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| DE10135642A1 (en) * | 2001-07-21 | 2003-02-27 | Bayer Cropscience Gmbh | Herbicide combinations with special sulfonylureas |
| DE10209478A1 (en) * | 2002-03-05 | 2003-09-18 | Bayer Cropscience Gmbh | Herbicide combinations with special sulfonylureas |
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