CN105707079B - A kind of Synergistic herbicide compositions - Google Patents
A kind of Synergistic herbicide compositions Download PDFInfo
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- CN105707079B CN105707079B CN201410727197.9A CN201410727197A CN105707079B CN 105707079 B CN105707079 B CN 105707079B CN 201410727197 A CN201410727197 A CN 201410727197A CN 105707079 B CN105707079 B CN 105707079B
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- fluroxypyr
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- ethyl
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Abstract
The present invention relates to a kind of application that the undesirable plant in useful plant is selectively prevented and kill off by two kinds of Synergistic herbicide compositions and Synergistic herbicide compositions for having the combinations of substances of activity of weeding and forming.A kind of Synergistic herbicide compositions, including active component fluroxypyr or the different monooctyl ester of fluroxypyr and pyraflufen-ethyl, the different monooctyl ester of fluroxypyr or fluroxypyr and pyraflufen-ethyl weight proportion scope are 100:1‑1:10.Described Synergistic herbicide compositions, fluroxypyr or the different monooctyl ester of fluroxypyr and pyraflufen-ethyl active component content account for 5% the 90% of the Herbicidal combinations.
Description
Technical field
The present invention relates to a kind of by two kinds of Synergistic herbicide compositions that there is the combinations of substances of activity of weeding and form
And Synergistic herbicide compositions selectively prevent and kill off the application of the undesirable plant in useful plant.
Background technology
Fluroxypyr（Fluroxypyr）, also known as fluorine grass is fixed, fluroxypramide, makes that it is grand, shield is grand, chemical formula is 4- ammonia
Fluoro- pyridine -2- the fluoroacetic acid of two chloro- 6- of base -3.5-, structural formula are：
Fluroxypyr is that The Dow Agrosciences, LLC. (Dow AgroSciences Company) Development and Production has
Machine heterocyclic selectivity inner sucting conduction type herbicide after seedling, it is each suitable for preventing and kill off the gramineous crop Tanaka such as wheat, barley, corn
Kind broad leaved weed.Fluroxypyr can prevent and kill off clearvers, volume stem smartweed, purslane, black nightshade, chickweed, common vetch, field bindweed, weasel valve
Flower, pale persicaria, willow leaf thorn smartweed, Amaranthus retroflexus, dayflower, elscholtiza, penny cress, vetch, Descurainia sophia and small japanese bearbind etc. are various wealthy
Leaf weeds, it is invalid to grass family and sedge weed.The different monooctyl ester of fluroxypyr is to crop safety, in resistance crop body,
Make it grand with reference to conjugates and lose toxicity.Degradable in soil, half-life period is shorter, will not cause medicine to succession crop
Evil.The different monooctyl ester of fluroxypyr（Fluroxypyr-meptyl）For fluroxypyr meptyl ester.
Pyraflufen-ethyl（Pyraflufen-ethyl）, molecular formula C15H13Cl2F3N2O4, the chloro- 5- of chemical name 2- (the chloro- 5- bis- of 4-
Fluorine methoxyl group -1- methylpyrazole -3- bases) -4- fluorophenoxyacetate ethyl esters.Pyraflufen-ethyl is proporphyrinogen oxidase inhibitor, it
By making protogen IX in plant cell accumulate to play drug effect.After the medicament cauline leaf process, plant can be rapidly absorbed
In tissue, make plant necrosis quickly, or under sunlight, make cauline leaf dehydration withered.Pyraflufen-ethyl is mainly used in 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, though there are some of short duration injuries, succession crop noresidue is influenceed.Early stage after seedling processing activity is optimal.Pyraflufen-ethyl right and wrong
Selective broadleaf weed herbicide, pyraflufen-ethyl is commercially primarily as cotton defoliant, non-selective crop-planting at present
Preceding burns the grass on waste land, in addition or soybean, wheat, the after seedling weed control agent of corn field.Pyraflufen-ethyl is cheap, commercially typically
It is used in combination with another broadleaved herb herbicide, synergy is played a part of in the control for intractable weeds.And pyraflufen-ethyl pair
Obstinate broad leaved weed is without before seedling control action.
The content of the invention
It is an object of the present invention to provide a kind of Synergistic herbicide compositions, including active component fluroxypyr or chlorine fluorine pyrrole oxygen
2-ethyl hexyl ethanoate and pyraflufen-ethyl, fluroxypyr or the different monooctyl ester of fluroxypyr combine with pyraflufen-ethyl not only to be caused to preventing and treating
The activity profile of weeds is widened, and serves the effect of synergy.
A kind of Synergistic herbicide compositions of the present invention are to take following technical scheme to realize：
A kind of Synergistic herbicide compositions, including active component fluroxypyr or the different monooctyl ester of fluroxypyr and pyrrole grass
Ether, the different monooctyl ester of fluroxypyr or fluroxypyr and pyraflufen-ethyl weight proportion scope are 100:1-1:10.It is preferred that
50:1 to 1:10, more preferably 25:1 to 1:10, particularly preferred 10:1 to 1:10.
A kind of Synergistic herbicide compositions, include active component fluroxypyr or the different monooctyl ester of fluroxypyr and pyrrole grass
Ether, auxiliary agent and/or filler.
In the Synergistic herbicide compositions, active component fluroxypyr or the different monooctyl ester of fluroxypyr and pyraflufen-ethyl
Content account for 5%-90%, the preferably 10%-80% of the Herbicidal combinations, more preferably 10% -60%.
Described Synergistic herbicide compositions, its formulation are wettable powder, missible oil, suspending agent, microcapsules, microemulsion, water
Emulsion, suspended emulsion, water dispersible granules, granule, microcapsule suspension-suspendinagent agent, ultra low volume liquids.
Application of the described Synergistic herbicide compositions in broad-leaved section weeds, sedge weed is prevented and kill off.
A kind of method for controlling undesirable plant, including：（i）Before undesirable plant germination（Before bud）；（ii）
After undesirable plant germination（After bud）, or（iii）（i）With（ii）When, the described synergy of herbicidally effective amount is removed
Careless composition is applied on the growth place or leaf or stem of undesirable plant.
It is a discovery of the invention that fluroxypyr or the different monooctyl ester of fluroxypyr combine with pyraflufen-ethyl, this combination has
A kind of activity of weeding of synergy, additive effect of this activity of weeding higher than each compound in given rate of application.
Therefore the present invention provides a kind of novel having synergistic effect, the Herbicidal synergistic available for selective weed control
Composition.
Fluroxypyr or the different monooctyl ester of fluroxypyr combine the activity not only caused to controlling weeds with pyraflufen-ethyl
Spectrum is widened, and serves the effect of synergy.
One side single compound fluroxypyr or the different monooctyl ester of fluroxypyr, the rate of application of pyraflufen-ethyl can subtract
Good effect is reached less and still.On the other hand, when single compound shows invalid due to low-down rate of application
And the composition of the present invention 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 the method for being not intended to plant prevented and kill off in the crop and this Synergistic herbicide compositions should
With.
The Synergistic herbicide compositions of the present invention can be used to preventing and treating substantial amounts of agriculturally important weeds, such as grass family, wealthy
Leaf section and/or sedge weed.Such as Stellaria, bean cotyledon Lepidium, Agrostis, knotgrass, Avena, setaria, Ou Bai
The numb category of mustard category, Lolium, Solanum, Brome, amur foxtail category, Matricaria, Tong, chrysanthemum harvest spp, Xanthium, Amaranthus, Chenopodium, kind
Potato category, crowndaisy chrysanthemum category, Bedstraw, Viola and Veronica.Particularly flat bar rattan grass, needle spikesedge herb, Japan's Fischer grass, Herba Cyperi Glomerati,
Cyperus iria, difformed galingale herb, barnyard grass, rice barnyard grass, lady's-grass, eleusine indica, moleplant seed, green bristlegrass, annual bluegrass, needle spikesedge herb, firefly Lin, duck tongue
Grass, mexicana, water starwort, dragon's tongue, cyperus iria L. rhizoma scirpi, angustifolia arrowhead herb, bog pondweed, clearvers, shepherd's purse, field thistle, Siberian cocklebur, the rhizome of nutgrass flatsedge,
Acalypha copperleaf, lamb's-quarters, pierce amaranth, branch amaranth, hold back blue dish, grass of meadow rue, purslane etc., Procumbent Falsepimpernel, short Brittle Falsepimpernel Herb, Monochoria korsakowii etc..
The Synergistic herbicide compositions of the present invention can use on the farmland for for example cultivating following crop:
Crops：Corn, rice, wheat, barley, rye, oat, sorghum, cotton, soybean, peanut, buckwheat, beet, oil
Dish, sunflower, sugarcane, tobacco etc..
Vegetables：Solanaceous vegetable（Eggplant, tomato, green pepper, capsicum, potato etc.）, cucurbitaceae vegetable（It is cucumber, pumpkin, small
Cucumber, watermelon, muskmelon etc.）, brassicaceous vegetable（It is radish, turnip, horseradish, kohlrabi, Chinese cabbage, cabbage, leaf mustard, blue and white
Dish, cauliflower etc.）, composite vegetable（Burdock, crowndaisy chrysanthemum, lettuce etc.）, liliaceous vegetable（Green onion, onion, garlic, asparagus etc.）, Umbelliferae
Vegetables（Carrot, foreign celery, celery, the U.S. eat celery etc.）, goosefoot vegetable（Spinach etc.）, Labiatae vegetables（Purple perilla, peppermint
Deng）, strawberry, sweet potato, Chinese yam, taro etc.；
Fruit tree：Pomaceous fruit（Apple, European pear, Japanese pear, flower pears etc.）, kernel approaches（Peach, Lee, nectarine, plum, cherry, apricot,
Plum etc.）, citrus（Orange, lemon, bitter orange, grape fruit etc.）, nut fruits（Chinese chestnut, walnut, almond, American pistachios, cashew nut etc.）、
Berries（Blueberry, tongue are mould, blackberry, blueberry, trichoderma etc.）, grape, persimmon, olive, loquat, banana, coffee bean, coconut, coconut oil etc.；
Lawn：Korea lawn grass class（Zoysia sinica, towards fresh grass etc.）, annual bluegrass class（English grass, rough bluegrass etc.）、
Fescue grass class（Festuca Arundinacea etc.）, orchardgrass, timothy grass etc.；
It is other：Flowers class（Rose, China pink, chrysanthemum, tulip, rough gentian, orchid etc.）, bio-fuel plant（It is manioca, red
Flower, Chinese silvergrass, mestha, cassava etc.）, foliage plant etc..
On the other hand the present invention also provides a kind of method for controlling undesirable plant, 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
Thing is emerged or then undesirable plant growth stops growing to cotyledon period and completely dead after 3-4 weeks.
, can be when the Synergistic herbicide compositions of the present invention are applied to green plant part after undesirable plant germination
It is same after processing effectively to prevent the growth of undesirable plant rapidly.Undesirable plant is maintained at use after a period of time
When existing growth period, more or less die off rapidly, therefore by this way can using Synergistic herbicide compositions of the present invention
The competition of the undesirable plant harmful to crop is enduringly prevented with rapid while reduces the loss of crop quality and quantity.
The Synergistic herbicide compositions of the present invention have the selection of synergy in each case in the range of very wide mixing ratio
The herbicide effect of property.Active component fluroxypyr or the weight proportion scope of the different monooctyl ester of fluroxypyr and pyraflufen-ethyl are
100:1 to 1:10, preferably 50:1 to 1:10, more preferably 25:1 to 1:10, particularly preferred 10:1 to 1:10.
The combination of fluroxypyr or the different monooctyl ester of fluroxypyr and pyraflufen-ethyl has proved to be very effective tool
There is the active compound composition of synergistic effect.
The present invention also provides a kind of Synergistic herbicide compositions, includes active component fluroxypyr or fluroxypyr
Different monooctyl ester and pyraflufen-ethyl, auxiliary agent and/or filler.
In the Synergistic herbicide compositions, active component fluroxypyr or the different monooctyl ester of fluroxypyr and pyraflufen-ethyl
Content account for 5%-90%, the preferably 10%-80% of the Herbicidal combinations, more preferably 10% -60%.
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 adapted to the solid-filling agent of the present invention to have：Phyteral powdery type（Such as soy meal, starch, grain dust, wood powder, tree
Pi Fen, sawdust, walnut shell powder, wheat bran, cellulose powder, coconut husk, the particle of corncob and tobacco stem, after extracting plant essence
Residue etc.）, paper, sawdust, crush synthesized polymer body, the 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
Ethene 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 materials can be used alone or two or more is mixed.
It is adapted to the liquid filler of the present invention to have, for example, water, alcohol type（Such as methanol, ethanol, 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, amide-type, sulfone class, dimethyl sulfoxide (DMSO), mineral and vegetable oil, animal oil etc..
It is generally contemplated that one or more surfactants are introduced into the Synergistic herbicide compositions of the present invention.Live on surface
Property agent can be anion, cation or non-ionic and can be used as emulsifying agent, dispersant or for other purposes.
The emulsifying agent for being adapted to Synergistic herbicide compositions of the present invention can be anion and/or non-example type emulsifying agent, such as alkane
It is base phenol polyethenoxy ether, alkylphenol-polyethenoxy polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene fatty acid ester, poly-
Oxygen ethene fatty alcohol ether, polyoxyethylene fatty amine, alkyl phenol polyglycol ether etc..
The dispersant for being adapted to Synergistic herbicide compositions of the present invention can be alkylnaphthalene sulfonate, 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, APES phosphate, APES, castor oil ethylene oxide adduct, oxirane-
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
Thing, methanonaphthalene sodium sulfonate etc..
Be generally used for Pestcidal compositions other auxiliary materials include solubilizer, defoamer, masking agent, nertralizer and buffer solution,
Penetrant, sticker, antifreezing agent, antiseptic, colouring agent etc..
The wherein optional spent glycol of antifreezing agent, propane diols, 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 defoamer.
The colouring agent 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.
The Synergistic herbicide compositions of the present invention can be used in the form of any commonly employed.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 formulation can be wettable powder, missible oil, suspending agent, microcapsules, microemulsion, aqueous emulsion, outstanding
Floating emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent, water-soluble granule, ultra low volume liquids.
Specifically, in weed control methods of the invention, the crop production environment of weed control is carried out as needed first
Real area, and in above-mentioned environment weeds the condition of production, 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
The herbicide of agent, to Synergistic herbicide compositions to be diluted with water into certain density dilution, finally it is applied to undesirable
Plant or its location.
, can be it is anticipated that object and popular environment are selected from application process, such as blade face, to be impregnated with, spray according to formulation properties
Mist, dust, scatter 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 applied added to irrigation water and by other conventional methods well known by persons skilled in the art
For undesirable plant or its location.
Rate of application can change in a wide range, depending on the characteristic of soil, application process（Before bud or after bud；Kind
Attached bag clothing；Applied on soil has been sowed；Bare place administration etc.）, crop, the weeds that need to be prevented and treated, weather conditions, by administration side
The other factors that method, time of application and Target crops are determined.In general, active compound composition rate of application of the invention is
5-2000 grams of active material/hectare, particularly 5-1000 grams active material/hectare, particularly 5-500 grams active material/hectare,
More particularly 5-100 grams active material/hectare.
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
Thing.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.
Can be produced when fluroxypyr or the different monooctyl ester of fluroxypyr and the combined administration of pyraflufen-ethyl it is super plus and（=increase
Effect）Effect.The synergistic effect should be able to reduce the rate of application of each active material, the drug effect under the identical rate of application of raising, preventing and treating so far
The modern species that can not still prevent and treat, extend administration period, the number being administered alone needed for reduction.Therefore for user, it is
Economically system is resisted with weeds more favourable in ecology.This activity can especially reduce amount of application, and control is broader spectrum of wealthy
Ye Ke, grass family, sedge weed, the active leak of antagonism weed population, rapider and more reliable activity are compensate for, more
The long lasting period, undesirable plant can be controlled completely and extend the suitable of active component in combination by applying only once or several times
Use the phase.
Embodiment
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 institute that may include in Claims scope
There are alternative, improvement project and equivalents.
Example of formulations
Embodiment 1：The different pyraflufen-ethyl of monooctyl ester+1% oil-suspending agent of 25% fluroxypyr
The different monooctyl ester 25% of fluroxypyr
Pyraflufen-ethyl 1%
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 well mixed according to the ratio of formula, it is ground
And/or the different pyraflufen-ethyl of monooctyl ester+1% oil-suspending agent of 25% fluroxypyr is obtained after high speed shear.
The pyraflufen-ethyl wettable powder of 2 10 % fluroxypyrs of embodiment+2%
Fluroxypyr 10%
Pyraflufen-ethyl 2%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Active component, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating, i.e.,
Obtain the pyraflufen-ethyl wettable powder of 10% fluroxypyr+2%.
The different pyraflufen-ethyl of monooctyl ester+50% wettable powder of the fluroxypyr of embodiment 3 1%
The different monooctyl ester 1% of fluroxypyr
Pyraflufen-ethyl 50%
Calcium dodecyl benzene sulfonate 1%
Sodium lignin sulfonate 2%
Sucrose complements to 100%
Active component, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating, i.e.,
Obtain the different pyraflufen-ethyl of monooctyl ester+50% wettable powder of 1% fluroxypyr.
The different pyraflufen-ethyl of monooctyl ester+1% water dispersible granules of the fluroxypyr of embodiment 4 0.1%
The different monooctyl ester 0.1% of fluroxypyr
Pyraflufen-ethyl 1%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 5%
Urea 5%
Sucrose complements to 100%
Active component, dispersant, wetting agent, disintegrant and filler are well mixed in the ratio of formula, by air-flow powder
Wettable powder is broken into, a certain amount of water mixing extruding is added and makes material.0.1% fluroxypyr is obtained after drying and sieving
The different pyraflufen-ethyl of monooctyl ester+1% water dispersible granules.
The pyraflufen-ethyl missible oil of 5 5% fluroxypyr of embodiment+0.1%
Fluroxypyr 5%
Pyraflufen-ethyl 0.1%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethyl sulfoxide (DMSO) complements to 100%
Mentioned component is proportionally prepared, is uniformly mixing to obtain homogeneous phase.
The different pyraflufen-ethyl of monooctyl ester+0.1% wettable powder of the fluroxypyr of embodiment 6 10%
The different monooctyl ester 10% of fluroxypyr
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.
The different pyraflufen-ethyl of monooctyl ester+4% water dispersible granules of the fluroxypyr of embodiment 7 40%
The different monooctyl ester 40% of fluroxypyr
Pyraflufen-ethyl 4%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
By the different monooctyl ester of fluroxypyr, pyraflufen-ethyl active component, dispersant, wetting agent, disintegrant and filler by formula
Ratio be well mixed, by air-flow crushing into wettable powder；Add a certain amount of water mixing extruding and make material.Through dry sieve
The different pyraflufen-ethyl of monooctyl ester+4% water dispersible granules of 40% fluroxypyr are obtained after point.
The different pyraflufen-ethyl of monooctyl ester+10% aqueous emulsion of the fluroxypyr of embodiment 8 0.1%
Oil phase：
The different monooctyl ester 0.1% of fluroxypyr
Methyl oleate 10%
Ethoxylated castor oil 5%
Aqueous phase：
Pyraflufen-ethyl 20%
The sodium salt 1% of naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Water complements to 100%
The different monooctyl ester of fluroxypyr, pyraflufen-ethyl are dissolved in methyl oleate, ethoxylated castor oil is added and obtains oil
Phase；According to formula by the sodium salt of naphthalene sulfonic acids-formaldehyde condensation products, water, well mixed aqueous phase is obtained；Oil phase is added under agitation
Aqueous phase obtains aqueous emulsion.
The different pyraflufen-ethyl of monooctyl ester+15% wettable powder of the fluroxypyr of embodiment 9 5%
The different monooctyl ester 5% of fluroxypyr
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.
The different pyraflufen-ethyl of monooctyl ester+25% coated granule of the fluroxypyr of embodiment 10 5%
The different monooctyl ester 5% of fluroxypyr
Pyraflufen-ethyl 25%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In a mixer, by levigate active component even spread to the carrier soaked by polyethylene glycol.In this way
Dust-free coated granules agent can be obtained.
The different pyraflufen-ethyl of monooctyl ester+5% wettable powder of the fluroxypyr of embodiment 11 1%
The different monooctyl ester 1% of fluroxypyr
Pyraflufen-ethyl 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.
The different pyraflufen-ethyl of monooctyl ester+10% extrusion granule of the fluroxypyr of embodiment 12 20%
The different monooctyl ester 20% of fluroxypyr
Pyraflufen-ethyl 10%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed and ground with auxiliary agent, mixture is soaked with water.The mixture is extruded, then in air stream
Middle drying.
The pyraflufen-ethyl suspending agent of 13 1% fluroxypyr of embodiment+25%
Fluroxypyr 1%
Pyraflufen-ethyl 25%
AEO sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
The each components such as active component, dispersant, wetting agent and water are well mixed according to the ratio of formula, it is ground and/
Or the pyraflufen-ethyl suspending agent of 1% fluroxypyr+25% is obtained after high speed shear.
The pyraflufen-ethyl microcapsule suspension-suspendinagent agent of 14 0.1% fluroxypyr of embodiment+10%
ATLOX TM4913 4%
Citric acid 0.05%
Catalyst 0.1%
Water 13%
Pyraflufen-ethyl 10%
PAPI 1.35%
SOLVESSO TM200 10%
ATLOX TM4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Fluroxypyr 0.1%
Water complements to 100%
By poly methylene poly phenyl poly isocyanate（PAPI）, fluroxypyr, SOLVESSOTM200 oil phases formed
Addition contains ATLOX TMIn 4913 aqueous solution, emulsion is formed.Then heat and be incubated 50oCatalyst reaction 2 is added under C
Hour.The microcapsules of fluroxypyr is obtained after cooling.
ATLOX TM4913, dispersant LFH, defoamer, urea, pyraflufen-ethyl and water mix in proportion, ground
And/or pyraflufen-ethyl suspending agent is obtained after high speed shear.
Obtained fluroxypyr microcapsules is added in the suspending agent of pyraflufen-ethyl, be uniformly mixing to obtain 0.1% chlorine fluorine pyrrole
The different pyraflufen-ethyl of monooctyl ester+10% microcapsule suspension-suspendinagent agent of fluoroacetic acid.
The different pyraflufen-ethyl of monooctyl ester+50% aqueous emulsion of the fluroxypyr of embodiment 15 10%
The different monooctyl ester 10% of fluroxypyr
Pyraflufen-ethyl 50%
SOLVESSO TM200 10%
Ethoxylated castor oil 4%
AEO sulfosuccinic acid monoesters disodium 5%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
The different monooctyl ester of fluroxypyr, Nylar are dissolved in SOLVESSOTMIn 200, ethoxylated castor oil is added,
Obtain the missible oil of the different monooctyl ester+Nylar of fluroxypyr；
By AEO sulfosuccinic acid monoesters disodium, above-mentioned each component is mixed in proportion, is prepared into
Aqueous phase.
The oil phase of the different monooctyl ester+Nylar of containing chlorine fluorine pyrrole fluoroacetic acid is added to aqueous phase, obtains aqueous emulsion.
The different pyraflufen-ethyl of monooctyl ester+4% missible oil of the fluroxypyr of embodiment 16 1%
The different monooctyl ester 1% of fluroxypyr
Pyraflufen-ethyl 4%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
SOLVESSO TM200 complement to 100%
Above-mentioned each component is mixed, stirring is to obtaining transparent homogeneous phase.
The different pyraflufen-ethyl of monooctyl ester+70% wettable powder of the fluroxypyr of embodiment 17 20%
The different monooctyl ester 20% of fluroxypyr
Pyraflufen-ethyl 70%
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.
The pyraflufen-ethyl water dispersible granules of 18 20% fluroxypyr of embodiment+60%
Fluroxypyr 20%
Pyraflufen-ethyl 60%
MODIFIED LIGNOSULPHONATE 5%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Active component, dispersant, wetting agent and filler are well mixed in the ratio of formula, by air-flow crushing into wettable
Property pulvis；Add a certain amount of water mixing extruding and make material.The pyraflufen-ethyl of 20% fluroxypyr+60% is obtained after drying and sieving
Water dispersible granules.
The different pyraflufen-ethyl of monooctyl ester+4% ultra low volume liquids of the fluroxypyr of embodiment 19 1%
The different monooctyl ester 1% of fluroxypyr
Pyraflufen-ethyl 4%
Ethoxylated castor oil 5%
Calcium dodecyl benzene sulfonate 3%
Dimethylbenzene complements to 100%
Above-mentioned each component is mixed, stirring is to obtaining transparent homogeneous phase.
The different pyraflufen-ethyl of monooctyl ester+10% of the fluroxypyr of embodiment 20 90%
The different monooctyl ester 90% of fluroxypyr
Pyraflufen-ethyl 10%
The different monooctyl ester of fluroxypyr, pyraflufen-ethyl are proportionally well mixed.
Proportioning is weight per distribution ratio in above example.
Biological test example
The evaluation of the mixed synergistic effect for applying middle display to 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 represents control of weeds (%) of the herbicide A under Xg active ingredients/ha dosages,
Y represents control of weeds (%) of the herbicide B under Yg active ingredients/ha dosages,
E represents the expection control of weeds (%) under X+Yg active ingredients/ha dosages.
If the actual control of weeds rate observed in biologic test exceedes what is 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, then with soil
Earth covers.Peat basin is maintained in 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 maintained in greenhouse under optimum condition.5 kinds of reagents are prepared according to constant weight percentage：1st, chlorine fluorine pyrrole oxygen second
Acid；2nd, the different monooctyl ester of fluroxypyr；3rd, pyraflufen-ethyl；4th, fluroxypyr+pyraflufen-ethyl；5th, the different monooctyl ester of fluroxypyr+
Pyraflufen-ethyl.Above-mentioned each reagent is diluted with water afterwards, obtains medicament dilution.
The visual score of herbicidal effect is observed for 10 days after the treatment.Scoring is with compared with untreated check plant
Percentage is carried out.0%=is without activity of weeding, the complete activity of weeding of 100%==kill completely.
As a result：
The Synergistic herbicide compositions of the present invention, fluroxypyr or the different monooctyl ester of fluroxypyr, pyraflufen-ethyl compound
Important noxious plant broad leaved weed, the sedge weed of following wide spectrum are directed to respectively) 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）, black nightshade (Solanumnigrum L.), firefly
Lin（ScirpusjuncoidesRoxb）, difformed galingale herb（Cyperusdifformis L.）, lamb's-quarters（Chenopodium alum
L.）, clearvers（Galiumaparine L. var. tenerum（Gren. et Godr.）Rchb）, shepherd's purse（Capsella
bursa-pastoris）, Veronica（Veronica didymaTenore）.
To shepherd's purse（Capsella bursa-pastoris）Preventive effect
To black nightshade (Solanumnigrum L.) preventive effect
To difformed galingale herb（Cyperusdifformis L）Preventive effect
Fluroxypyr or the different monooctyl ester of fluroxypyr combine with pyraflufen-ethyl and prevent and kill off 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）, difformed galingale herb（Cyperusdifformis L.）, lamb's-quarters（Chenopodium alum
L.）, clearvers（Galiumaparine L. var. tenerum（Gren. et Godr.）Rchb）, shepherd's purse（Capsella
bursa-pastoris）, Veronica（Veronica didymaTenore）Show obvious synergistic effect.Using this hair
In the case of bright Synergistic herbicide compositions, its herbicide action to weeds exceedes contained each weeding chemical combination in the present composition
The summation of independent herbicide action when thing is individually sprayed.Therefore, compared with each herbicides compounds list is applied, composition of the invention exists
Same weeds herbicide action can be provided under the relatively low dosage of herbicides compounds.The increase and work of this activity of weeding and effect
Property Ingredient Amount reduction convincingly demonstrated the present invention synergistic effect.
Claims (10)
1. a kind of application of Synergistic herbicide compositions in leaf mustard, black nightshade, difformed galingale herb is prevented and kill off, the Synergistic herbicide compositions bag
Include fluroxypyr or the different monooctyl ester of fluroxypyr and pyraflufen-ethyl active component, fluroxypyr or chlorine fluorine the pyrrole oxygen
2-ethyl hexyl ethanoate and pyraflufen-ethyl weight proportion scope are 100:1-1:10.
2. application according to claim 1, it is characterised in that the different monooctyl ester of fluroxypyr or fluroxypyr
It is 50 with pyraflufen-ethyl weight proportion scope:1-1:10.
3. application according to claim 1, it is characterised in that the different monooctyl ester of fluroxypyr or fluroxypyr
It is 25 with pyraflufen-ethyl weight proportion scope:1-1:10.
4. application according to claim 1, it is characterised in that the different monooctyl ester of fluroxypyr or fluroxypyr
It is 10 with pyraflufen-ethyl weight proportion scope:1-1:10.
5. application according to claim 1, it is characterised in that the Synergistic herbicide compositions include fluroxypyr or
The different monooctyl ester of fluroxypyr and pyraflufen-ethyl, auxiliary agent and/or filler.
6. application according to claim 1, the Synergistic herbicide compositions, its formulation are wettable powder, missible oil, suspension
Agent, microcapsules, microemulsion, aqueous emulsion, suspended emulsion, water dispersible granules, granule, microcapsule suspension-suspendinagent agent, ultra-low volume liquid
Agent.
7. application according to claim 1, it is characterised in that the different monooctyl ester of fluroxypyr or fluroxypyr
The 5%-90% of the Synergistic herbicide compositions is accounted for pyraflufen-ethyl active component content.
8. application according to claim 1, it is characterised in that the different monooctyl ester of fluroxypyr or fluroxypyr
The 20%-80% of the Synergistic herbicide compositions is accounted for pyraflufen-ethyl active component content.
9. application according to claim 1, it is characterised in that the different monooctyl ester of fluroxypyr or fluroxypyr
The 30%-60% of the Herbicidal combinations is accounted for pyraflufen-ethyl active component content.
10. 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 claim 1 of herbicidally effective amount
The Synergistic herbicide compositions are applied on the growth place or leaf or stem of undesirable plant.
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| CN103688940A (en) * | 2013-11-28 | 2014-04-02 | 广东中迅农科股份有限公司 | Herbicidal composition containing pyraflufen-ethyl and fluroxypyr |
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| CN103688940A (en) * | 2013-11-28 | 2014-04-02 | 广东中迅农科股份有限公司 | Herbicidal composition containing pyraflufen-ethyl and fluroxypyr |
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