CN106561703A - Herbicidal composition containing pinoxaden and applications thereof - Google Patents
Herbicidal composition containing pinoxaden and applications thereof Download PDFInfo
- Publication number
- CN106561703A CN106561703A CN201610999066.5A CN201610999066A CN106561703A CN 106561703 A CN106561703 A CN 106561703A CN 201610999066 A CN201610999066 A CN 201610999066A CN 106561703 A CN106561703 A CN 106561703A
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- China
- Prior art keywords
- pinoxaden
- agent
- ammonium
- glufosinate
- trichlopyr
- Prior art date
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Abstract
The invention discloses a herbicidal composition containing pinoxaden and applications thereof. The herbicidal composition comprises the following active components in percentage by weight: 1 to 20% of pinoxaden, 1 to 50% of glufosinate-ammonium, and 1 to 30% of trichlopyr. The herbicidal composition has the advantages of rapid and long-lasting effect. Compared with single components, the herbicidal spectrum is enlarged, the herbicidal effect is enhanced, the using amount is reduced, the cost is reduced, the drug resistance is retarded, and the species of non-cultivation land herbicides are enriched.
Description
Technical field
The invention belongs to herbicide technology field, and in particular to a kind of Herbicidal combinations containing pinoxaden and its application,
For preventing and kill off bare place weeds.
Background technology
Bare place weeds propagation and widespread impact urban, or become the vector or hibernacle of some pest and disease damages, so as to
Certain harm is brought to urban afforestation or agricultural production.Bare place weeds grass is mutually complicated, grassy weed, broad leaved weed and dried tuber
The mixed life of the multiclass such as section weeds weeds, can not be fully solved bare place crop smothering problem using single variety herbicide, can show
Defect in a certain respect and limitation.
Pinoxaden is the neophyl pyrazolines herbicide developed by Syngenta Co., Ltd, and its mechanism of action is acetylcoenzyme
A carboxylase inhibitors, can be absorbed by grass cutting blade, then be conducted to separate living tissue, cause fatty acid biosynthesis block, give birth to cell
Long division stops, and cell membrane is destructurized containing fat, causes weeds dead.Pinoxaden activity is high, rapid-action, can be used to prevent and kill off
Grassy weed, to grass family such as wild oat, rye grass, Herba Setariae Viridis, hard grass, Beckmannia syzigachne (Steud.) Fernald [B.erucaeformis (L.)Host var. uniflora Sckibn. Ex A.Grag, amur foxtail, Alopecurus, caput grass
Weeds have good preventive effect, especially to pernicious grassy weed wild oat, rye grass, hard grass He the preventive effect of Beckmannia syzigachne (Steud.) Fernald [B.erucaeformis (L.)Host var. uniflora Sckibn. Ex A.Grag is excellent.It can
Effectively solving some areas Alopecurus are He the problem that rises to clodinafop-propargyl drug resistance of Beckmannia syzigachne (Steud.) Fernald [B.erucaeformis (L.)Host var. uniflora Sckibn. Ex A.Grag, has delayed weeds anti-to clodinafop-propargyl
The generation of property, and herbicide speed is than clodinafop-propargyl faster.But which is invalid to broadleaf weed.
Glufosinate-ammonium is the phosphonic acid based herbicide developed by German Hirst company (Bayer), is with part systemic action
Non-selective contact weedicide.Its mechanism of action is, by the synthesis for suppressing glutamine, to sink into ammonium metabolism in weeds body disorderly
Disorderly, a large amount of cytotoxic agent ammonium ions are produced in the short time and is accumulated and conducted downwards, made weeds root system poisoning, rot, reach and cut grass
Except the purpose of root.After weeds death, ammonium ion enters soil immediately, all can be absorbed by crop, equivalent to imposing in farmland
Instant nitrogenousfertilizer.Glufosinate-ammonium is mainly registered in bare place, tea place, Fructus Chaenomeliss garden, banana garden, citrus orchard and vegetable field etc., right
Annual and perennial grass family and broadleaf weed preventive effect are good.
Glufosinate-ammonium have the advantages that safely and fast, longer holding effect, weeding fertilising, specially kill intractable weed, be described as the whole world only
Inferior to the second largest genetically modified crops herbicide-tolerant most with prospects, safe and environment-friendly of glyphosate, become in foreign countries and pay close attention to
Focus.Particularly after N,N'-dimethyl-.gamma..gamma.'-dipyridylium water preparation disabling, glufosinate-ammonium becomes at present that domestic registration is more, invest most popular one removes
Careless agent.But glufosinate-ammonium there is also following shortcoming：To some perennial tolerant plants (as plant is tall and big, lignified malignant weed)
Preventive effect it is poor；Preventing and kill off not thoroughly to elder weed, elder weed easily revives.Simultaneously as glufosinate-ammonium was in recent years
A large amount of uses, many weeds to which creating obvious resistance, cause herbicidal effect to reduce.
Trichlopyr is pyridines inner-adsorption conduction-type herbicide, can rapidly by leaf and root absorption, and in plant body
Conduction.It acts on nucleic acid metabolism, makes plant produce excessive nucleic acid, makes some structural transformations into separate living tissue, cause blade,
Stem and root growth deformity, reserve substance exhaust, and vascular tissue is by thromboembolism or rupture, and makes plant gradually dead.
Trichlopyr be mainly used in the world pasture, grassland, lawn, forestry, bare place, industrial site,
Highway, railway, airport, maintenance channel, oil field and various tube circumferences under cable, prevent and kill off non-targeted plant.In forestry, it is used for
Cultivate pinaster, stand conversion, afforestation before weeding go out filling, safeguard fire line etc.；The keeping from ill broad leaved weed such as bare place, grassland,
Rattan class weeds and weedtree etc..But which is invalid to grass family and sedge weed.
As can be seen here, during the single use of pinoxaden, glufosinate-ammonium and trichlopyr, there is certain defect drawn game
It is sex-limited.By variety classes herbicide science mixture, rational compounded formula is filtered out, improve the reality to bare place crop smothering and prevent
Except effect, expand herbicidal spectrum, reduce dosage, reduce drug cost, mitigate the pollution to environment, delay sending out for herbicide resistance
Exhibition, time and labour saving is the important means of agriculturally crop smothering comprehensive control.
But, when mixture is carried out to herbicide, if ratio is inappropriate, antagonism may then occur between active component,
It is difficult to obtain ideal effect.At present, with regard to pinoxaden, glufosinate-ammonium and trichlopyr three compounding Herbicidal combinations and
Its application there is no report at present.
The content of the invention
The present invention in order to solve prior art Pesticides single dose be used alone when to the actual preventive effect of bare place weeds not
Preferable, weeds are also easy to produce drug-fast problem, there is provided a kind of Herbicidal combinations containing pinoxaden and its application, the weeding group
Compound instant effect, lasting period are long, relative to single dose, expand herbicidal spectrum, improve preventive effect, reduce dosage, reduce
Drug cost, is conducive to delaying the development of herbicide resistance, enrich bare place herbicide kind using selecting.
In order to achieve the above object, the technical scheme that the present invention is provided is as follows：
A kind of Herbicidal combinations containing pinoxaden, comprising herbicidal active component pinoxaden, glufosinate-ammonium and trichlorine pyrrole oxygen
Acetic acid, wherein, pinoxaden accounts for the 1～20% of the Herbicidal combinations gross weight, and glufosinate-ammonium accounts for the Herbicidal combinations gross weight
The 1～50% of amount, trichlopyr accounts for the 1～30% of the Herbicidal combinations gross weight.
Further, the existence form of the glufosinate-ammonium is glufosinate-ammonium or glufosinate-ammonium salt compounds.
Further, described trichlopyr existence form is trichlopyr, trichlopyr esters spread out
Biological or trichlopyr salt compounds.
The present invention provides a kind of herbicidal formulations containing pinoxaden, with the Herbicidal combinations containing pinoxaden and pesticide
The auxiliary agent allowed in preparation is formulated, and its dosage form is any one allowed on pesticide.
Further, the auxiliary agent for allowing in described pesticidal preparations is selected from solvent, cosolvent, emulsifying agent, wetting agent, dispersion
Agent, disintegrating agent, binding agent, antifreezing agent, thickening agent, preservative, synergist, stabilizer, defoamer, carrier oil phase, filler and water
In at least one.
Preferably, the dosage form is wettable powder, water dispersible granules, aqueous emulsion, microemulsion or dispersibles oil-suspending agent.
Further, the wettable powder, the component comprising following weight content：Pinoxaden 1～20%, glufosinate-ammonium 1
～50%, trichlopyr 1～30%, wetting agent 1～5%, dispersant 1～15%, synergist 0～20%, stabilizer 0～
5%, filler is mended to 100%.
Further, the water dispersible granules, the component comprising following weight content：Pinoxaden 1～20%, glufosinate-ammonium 1
～50%, trichlopyr 1～30%, wetting agent 1～5%, dispersant 1～15%, disintegrating agent 1～20%, binding agent 0～
5%, synergist 0～20%, stabilizer 0～5%, defoamer 0～5%, filler are mended to 100%.
Further, the aqueous emulsion, the component comprising following weight content：Pinoxaden 1～20%, glufosinate-ammonium 1～
50%, trichlopyr 1～30%, solvent 1～20%, cosolvent 0～10%, emulsifying agent 1～15%, dispersant 0～
5%, antifreezing agent 1～8%, thickening agent 0～5%, preservative 0～1%, defoamer 0.1～2%, synergist 0～20% are stable
Agent 0～5%, water are mended to 100%.
Further, the microemulsion, the component comprising following weight content：Pinoxaden 1～20%, glufosinate-ammonium 1～
50%, trichlopyr 1～30%, solvent 1～20%, cosolvent 0～10%, emulsifying agent 1～30%, stabilizer 0～
5%, water is mended to 100%.
Further, it is described to dispersible oil-suspending agent, the component comprising following weight content：Pinoxaden 1～20%, careless ammonium
Phosphine 1～50%, trichlopyr 1～30%, emulsifying agent 10～25%, dispersant 0～5%, thickening agent 0.1～5% are stable
Agent 0～5%, carrier oil phase are mended to 100%.
Herbicidal combinations of the present invention can be used to preventing and kill off that bare place is annual and perennial weeds, including but not limited to standing grain
Undergraduate course weeds, broad leaved weed and sedge weed.
Herbicidal combinations of the present invention are generally using the application process for being watered foliar spray, it is also possible to adopt as needed
Other agriculturally applied use technology.
In the Herbicidal combinations containing pinoxaden of the present invention, containing pinoxaden, glufosinate-ammonium and trichlopyr three
Kind of active component, pinoxaden, glufosinate-ammonium are different with trichlopyr herbicide effect mechanism, the characteristics of according to which each, general
Three has carried out more deep composition research, it is found that three has more significant association in the range of certain mixed ratio to weeds
With potentiation or addition, the single medicament of life-time service can be overcome, causes weeds as a kind of preferable bare place herbicide
The shortcoming that Drug resistance occurs, extends the service life of medicament, is conducive to the comprehensive control of agricultural weed, compensate for existing non-cultivated
Ground herbicide is not enough present in actual application, increased using for bare place herbicide kind and selects.
Compared with prior art, the present invention has the advantages that：
1) present invention is re-dubbed tri compound as herbicidal active component with pinoxaden, glufosinate-ammonium and trichlopyr
Thing, three are combined in certain ratio range and show obvious synergistic function, and its herbicidal effect has bright than single dose
It is aobvious to improve, dispenser dosage is reduced, so as to reduce drug cost, the adverse effect to ecological environment is decreased.
2) using the present invention, after dispenser, the average strain preventive effect of 15 days and 30 days and fresh weight preventive effect show all more than 90%
Preventive effect when being used alone higher than three kinds of comparison medicaments is write, drug effect is improve, drug effect plays rapid, and the lasting period extends.
3) Herbicidal combinations of the invention, relative to single dose, expand herbicidal spectrum, and a drug can solve most of miscellaneous
Careless problem, compensate for the defect and limitation when single dose is used, delays the development of herbicide resistance, time and labour saving.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.
In the present invention, the solvent be toluene, dimethylbenzene, No. 100 solvent naphthas, No. 150 solvent naphthas, No. 180 solvent naphthas and
The mixture of one kind or any several arbitrary proportions in No. 200 solvent naphthas.
The cosolvent be Ketohexamethylene, n-butyl alcohol, isopropanol, methanol, ethanol, N, N- dimethyldecamides, N, N- diformazans
Base acetyl, DMF, the mixture of one kind or any several arbitrary proportions in DBE and NMP.
The emulsifying agent is dodecyl benzene sulfonate, alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, fatty alcohol
Polyoxyethylene ether, aliphatic acid polyethenoxy ether, sorbitol polyoxyethylene ether, phenethyl phenol polyethenoxy ether, alkylphenol formaldehyde tree
Fat polyoxyethylene ether, special phenethyl phenol formaldehyde resin polyoxyethylene ether, triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block
One kind or any in polymer, triphenoethyl benzene phenol polyethenoxy polyoxypropylene block polymer and EO-PO block copolymers
The mixture of several arbitrary proportions.
The wetting agent is for the one kind in alkylnaphthalene sulfonate, alkyl sulfate, sulfonate, tea saponin and spaonin powder or appoints
Anticipate the mixture of several arbitrary proportions.
The dispersant is phosphoric acid ester, sulfuric acid ester, lignin and its derivant sulfonate, naphthalene and alkyl naphthalene formaldehyde contracting
Compound sulfonate, polycarboxylate, EO-PO block copolymers, in methoxyl group fatty acyl amido benzene sulfonic acid sodium salt and sodium tripolyphosphate
One kind or any mixture of several arbitrary proportions.
During the disintegrating agent is sodium sulfate, ammonium sulfate, Sodium Chloride, calcium chloride, carbamide and solid weak acid and weak base buffer system
One kind or any mixture of several arbitrary proportions.
The solid weak acid and weak base buffer system is by citric acid and carbonate, citric acid and bicarbonate or is ammonium sulfate
With the buffer system of bicarbonate composition.
The binding agent be carboxymethyl cellulose, Polyethylene Glycol, polyvinyl alcohol, polyvinylpyrrolidone, maltodextrin, can
The mixture of one kind or any several arbitrary proportions in soluble starch, glucose, Lactose and sucrose.
The antifreezing agent is the one kind or any in ethylene glycol, Propylene Glycol, glycerol, carbamide, Sodium Chloride and Polyethylene Glycol
The mixture of several arbitrary proportions；The thickening agent be organobentonite, aluminium-magnesium silicate, xanthan gum and white carbon in one kind or
The mixture of any several arbitrary proportions.
The preservative is the mixed of the one kind in benzoic acid, sodium benzoate, BIT20 and KF88 or any several arbitrary proportions
Compound.
The synergist is alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, isomerous tridecanol polyoxyethylene ether, fat
Fat amine polyoxyethylene ether, alkoxy-modified poly- trisiloxanes, maleic acid di-sec-octyl sulfonate, alkylaryl ether neighbour's benzene
It is diformazan acid glyceride, alkoxylated fats amine, alkyl diphenyl ether disulfonate, alkyl polysaccharide, alkyl alcohol ether sulfate, inorganic
The mixture of one kind or any several arbitrary proportions in salt, azone and 885 builders (herbicide tailored version).
The stabilizer is epoxy soybean oil, epoxychloropropane, carbamide, precipitated calcium carbonate, organic acid, organic base, inorganic
The mixture of one kind or any several arbitrary proportions in salt and water.
The defoamer is in silicone, higher alcohols, propylene glycol block polyether class and mineral oil defoaming agent
Kind or the arbitrarily mixture of several arbitrary proportions.
The carrier oil phase is methyl oleate, soybean oil, Semen Maydis oil, Oleum Arachidis hypogaeae semen, Oleum Brassicae campestriss, Oleum Ricini, Petiolus Trachycarpi oil, methyl ester
Change vegetable oil, toluene, dimethylbenzene, No. 100 solvent naphthas, No. 150 solvent naphthas, No. 180 solvent naphthas, No. 200 solvent naphthas and Ketohexamethylene
In one kind or any mixture of several arbitrary proportions.
Described filler is Kaolin, kieselguhr, attapulgite, bentonite, precipitated calcium carbonate, Pulvis Talci, meerschaum, Linesless charcoal
The mixture of one kind or any several arbitrary proportions in black, polysaccharide and inorganic salts.
Embodiment 1 (64% pinoxaden glufosinate-ammonium ammonium salt trichlopyr wettable powder)
Formula is constituted：Pinoxaden 4%, glufosinate-ammonium ammonium salt 40%, trichlopyr 20%, Nekal BX 3%, alkane
Base naphthalene sulfonate Morwet D-425 2.5%, dispersing agent NNO 5%, 885 builders (herbicide tailored version) 10%, Linesless charcoal
Black 5%, Kaolin is mended to 100%.
Above-mentioned recipe ingredient is proportionally added into reactor to be uniformly mixed, 64% oxazoline is obtained Jing after comminution by gas stream
Careless ester glufosinate-ammonium ammonium salt trichlopyr wettable powder.
Embodiment 2 (35% pinoxaden glufosinate-ammonium trichlopyr water dispersible granules)
Formula is constituted：Pinoxaden 4%, glufosinate-ammonium 30%, trichlopyr 3%, sodium lauryl sulphate 1.5%,
Polycarboxylate SP-2836 2.5%, alkylnaphthalene sulfonate YUS-207K 2.5%, sodium tripolyphosphate 4%, ammonium sulfate 8%, Lactose
1.5%, alkoxy-modified poly- trisiloxanes Silwet PD5%, kieselguhr are mended to 100%.
Above-mentioned recipe ingredient is proportionally added into reactor to be uniformly mixed, Jing dry pulverization process, pelletize, drying and screening
Obtain final product 35% pinoxaden glufosinate-ammonium trichlopyr water dispersible granules.
Embodiment 3 (22.5% pinoxaden glufosinate-ammonium triclopyr butoxyethyl ester aqueous emulsion)
Formula is constituted：Pinoxaden 1.5%, glufosinate-ammonium 10%, triclopyr butoxyethyl ester 10%, No. 150 are molten
Agent oil 10%, Ketohexamethylene 3%, alkylphenol polyoxyethylene OP-10 5%, castor oil polyoxyethylene ether BY-125 1%, phosphoric acid
Esters dispersant Dispersogen LFS 1.5%, ethylene glycol 5%, aluminium-magnesium silicate 0.3%, xanthan gum 0.1%, sodium benzoate
0.1%, citric acid 0.2%, organic silicon defoamer SAG 1,522 0.3%, water is mended to 100%.
The preparation method of the aqueous emulsion is as follows：
1) preparation of oil phase：By pinoxaden, triclopyr butoxyethyl ester active compound, No. 150 solvent naphthas, hexamethylenes
Ketone, alkylphenol polyoxyethylene OP-10, castor oil polyoxyethylene ether BY-125 and phosphoric acid ester dispersant Dispersogen
LFS is proportionally added into reactor and is uniformly mixed prepared oil phase.
2) preparation of water phase：Glufosinate-ammonium, ethylene glycol, sodium benzoate, citric acid and water are proportionally added into into reactor
It is uniformly mixed prepared water phase.
3) water phase is slowly added to in oil phase, after shear-mixed is uniform, adds aluminium-magnesium silicate, xanthan gum solution and have
Machine silicon defoaming agent SAG 1522, it is uniform to continue shear-mixed, after testing, subpackage, that is, obtains 22.5% pinoxaden grass ammonium
Phosphine triclopyr butoxyethyl ester aqueous emulsion.
Embodiment 4 (33% pinoxaden glufosinate-ammonium isopropyl amine salt trichlopyr triethylamine salt microemulsion)
Formula is constituted：Pinoxaden 5%, glufosinate-ammonium isopropyl amine salt 18%, trichlopyr triethylamine salt 10%, hexamethylene
Ketone 8%, methanol 5%, isopropanol 3%, DBSA ammonium salt 6%, phenethyl phenol polyethenoxy ether 603 10%, along fourth
Enedioic acid di-sec-octyl sulfonate 4%, oxalic acid 0.05%, water are mended to 100%.
The preparation method of the microemulsion is as follows：
1) preparation of oil phase：By pinoxaden active compound, Ketohexamethylene, methanol, isopropanol, DBSA ammonium salt, benzene
Ethyl phenol polyethenoxy ether 603 and maleic acid di-sec-octyl sulfonate be proportionally added into reactor be uniformly mixed it is prepared
Oil phase.
2) preparation of water phase：Glufosinate-ammonium isopropyl amine salt, trichlopyr triethylamine salt, oxalic acid and water are proportionally added into
Reactor is uniformly mixed prepared water phase.
3) water phase is slowly added to in oil phase, after shear-mixed is uniform, after testing, subpackage, that is, obtain 33% oxazoline grass
Ester glufosinate-ammonium isopropyl amine salt trichlopyr triethylamine salt microemulsion.
Embodiment 5 (29% pinoxaden glufosinate-ammonium triclopyr butoxyethyl ester dispersibles oil-suspending agent)
Formula is constituted：Pinoxaden 4%, glufosinate-ammonium 20%, triclopyr butoxyethyl ester 5%, detergent alkylate
Sulfoacid calcium 5%, alkylphenol polyoxyethylene OP-10 6%, castor oil polyoxyethylene ether BY-110 4%, alkylphenol-polyethenoxy
Ether phosphate NP-10P 2%, organobentonite 0.8%, Ketohexamethylene 6%, methyl oleate are mended to 100%.
The preparation method for dispersibling oil-suspending agent is as follows：
1) by emulsifying agent (calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene OP-10 and castor oil polyoxyethylene ether
BY-110) it is added to equipped with quantitative carrier oil according to formula proportion with dispersant (alkylphenol polyoxyethylene phosphate ester NP-10P)
In the reactor of phase (Ketohexamethylene and methyl oleate), open agitating device and stir to material mix homogeneously；
2) to step 1) mixture in, sequentially add pinoxaden and triclopyr butoxyethyl ester active compound, after
Continuous stirring is to dissolving mix homogeneously；
3) to step 2) in the mixture that obtains, Glufosinate-ammonium, thickening agent (organobentonite) are sequentially added, continues to stir
Mix to mix homogeneously；
4) by step 3) in the material that mixes go to horizontal sand mill and carry out sand milling (temperature of charge does not surpass as far as possible during sand milling
Cross 40 DEG C), size controlling scope after material sand milling：D98≤5μm；
5) material that sand milling terminates is gone to into transfer kettle, is uniformly mixed, after testing, subpackage, that is, obtain 29% oxazoline
Careless ester glufosinate-ammonium triclopyr butoxyethyl ester dispersibles oil-suspending agent.
6 indoor biological determination of activity of embodiment
1.1 test targets
Barnyard grass Echinochloa crus-galli (L.) P.Beauv. (field collection Seed storage)；
Herba Abutili Abutilon theophrasti Medic. (field collection Seed storage).
1.2 reagent agent
95% pinoxaden active compound (commercially available, abbreviation A), 95% Glufosinate-ammonium (commercially available, abbreviation B), 99% trichlorine pyrrole oxygen
Acetic acid active compound (commercially available, abbreviation C).
1.3 instrument and equipment
Controllable heliogreenhouse；Electronic balance (sensibility reciprocal 0.1mg)；Accurate liquid-transfering gun a set of 100-1000 μ L, 20-100 μ L,
1-20μL；Potter spray towers；Beaker, graduated cylinder and plastic tub alms bowl are some.
1.4 EXPERIMENTAL DESIGN
1.4.1 test soil
Test is using the content of organic matter≤3%, the farmland topsoil that pH value is neutral, permeability is good, natural air drying, mistake
Sieve, is quantitatively filled at basin alms bowl 4/5.
1.4.2 examination material is processed
Then with dark gauze shading, will be placed on and be covered with the culture dish of sponge for planting experimentally son first 40 DEG C of water seed soakings,
Accelerating germination is carried out with water moistening, is sowed after waiting seed to show money or valuables one carries unintentionally.Test soil is quantitatively filled at the 4/5 of basin, is then poured from basin bottom part,
Soil is made to be moistened to saturation completely.Pretreatment is broadcasted sowing in soil for examination weed seed equal and quantitative, earthing 1.0cm,
Move into hot-house culture.Weeds emerge after thinning singling, about 12 plants/basin of barnyard grass, 10 plants/basin of Herba Abutili about treat weeds length to 2～4 leaves
Phase carries out stem and leaf spraying treatment with Potter spray towers.
1.5 test procedure
1.5.1 medicament is prepared
Pinoxaden active compound is configured to into 20g.a.i./hm respectively2、40g.a.i./hm2The solution of two Concentraton gradient.
Glufosinate-ammonium is configured to 300g.a.i./hm respectively2、600g.a.i./hm2The solution of two Concentraton gradient.
Trichlopyr active compound is configured to into 200g.a.i./hm respectively2、300g.a.i./hm2Two Concentraton gradient
Solution.
The solution of A, B and C each gradient is taken into 10mL combination of two respectively standby into 8 proportionings.
1.5.2 chemicals treatment
Demarcate the atomisation pressure (15 pounds/square inch) of Potter spray towers, correct spouting liquid, according to EXPERIMENTAL DESIGN
Concentraton gradient spraying treatment is carried out from low dosage to high dose, each processes 4 repetitions, and sets blank, processes per basin
Measure as 2mL medicinal liquids, immigration controllable greenhouse culture after process.
1.6 investigation method
After process, routine observation records the growth conditions of weeds, describes weeds damage symptoms, 14d growth inhibition assays after process
Survey method investigation records activity of weeding, records weeds fresh weight.
1.7 data statisticss and analysis
1.7.1 absolute value survey method
According to survey data, the actual survival rate of each process is calculated by formula, unit is percentage rate (%).
Actual survival rate E (%)=(treatment region weeds fresh weight-check plot weeds fresh weight) * 100
1.7.2Colby method
By taking tri- kinds of pharmacy mix of A, B, C as an example, mixed theoretical survival rate presses formula calculating according to the above ratio：
E0=A*B*C/100(n-1)
In formula, A, B, C represent the actual survival rate of three kinds of single doses respectively, and n is mixture herbicide kind quantity.
E0-E>10% is potentiation；E0-E<- 10% is antagonism；E0- E values are addition between ± 10%.
1.8 result of the tests and discussion
Table 1 is the synergy measurement result of pinoxaden, glufosinate-ammonium and trichlopyr mixture to barnyard grass.By table 1
Understand, the E that pinoxaden, glufosinate-ammonium and trichlopyr ternary built are respectively processed0- E (%) is substantially all more than 10%, is said
Bright three's compounding has synergistic function to barnyard grass.
Table 2 is the synergy measurement result of pinoxaden, glufosinate-ammonium and trichlopyr mixture to Herba Abutili.By table 2
Understand, the E that pinoxaden, glufosinate-ammonium and trichlopyr ternary built are respectively processed0- E (%) is all higher than 10%, illustrates three
Compounding has synergistic function to Herba Abutili.
Table 1
Table 2
7 field control effectiveness test embodiment of embodiment
The Herbicidal combinations prepared using embodiment 1～5 prevent and kill off that bare place is annual and perennial weeds, and investigation respectively is applied
The strain preventive effect of 15 days and 30 days and fresh weight preventive effect after medicine, survey result and 5% pinoxaden cream (commercially available) of comparison medicament,
200g/L glufosinate-ammoniumaqua aquas (commercially available), 45% triclopyr butoxyethyl ester cream (commercially available) compare, and the results are shown in Table 3～6.
Bare place tests field weed based on Herba Digitariae, pale persicaria, Eclipta prostrata, Herba stellariae mediae.Experimental plot random alignment, each is little
Area's area is 25 square metres, and each process is repeated 4 times.
Drug effect computational methods are as follows：
Strain preventive effect (%)=(check plot weeds strain number-treatment region weeds strain number)/check plot weeds strain number × 100；
Fresh weight preventive effect (%)=(check plot fresh weight-treatment region fresh weight)/check plot fresh weight × 100.
By table 3～6 as can be seen that embodiment of the present invention Herbicidal combinations have to bare place weeds and good prevent and kill off effect
Really, after dispenser, the average strain preventive effect of 15 days and 30 days and fresh weight preventive effect, all more than 90%, are all remarkably higher than three kinds of comparison medicaments
Preventive effect during exclusive use, pinoxaden, glufosinate-ammonium and trichlopyr compounding use significantly expand the weeding of medicament
Spectrum, improves the activity of weeding of medicament, reduces the usage amount of medicament.
Claims (11)
1. a kind of Herbicidal combinations containing pinoxaden, comprising herbicidal active component pinoxaden, glufosinate-ammonium and trichlorine pyrrole oxygen second
Acid, wherein, pinoxaden accounts for the 1～20% of the Herbicidal combinations gross weight, and glufosinate-ammonium accounts for the Herbicidal combinations gross weight
1～50%, trichlopyr accounts for the 1～30% of the Herbicidal combinations gross weight.
2. Herbicidal combinations containing pinoxaden according to claim 1, it is characterised in that the presence shape of the glufosinate-ammonium
Formula is glufosinate-ammonium or glufosinate-ammonium salt compounds；Described trichlopyr existence form is trichlopyr, trichlorine pyrrole
Fluoroacetic acid esters derivative or trichlopyr salt compounds.
3. a kind of herbicidal formulations containing pinoxaden, the Herbicidal combinations containing pinoxaden by described in any one of claim 1-3
It is formulated with the auxiliary agent allowed in pesticidal preparations, its dosage form is any one allowed on pesticide.
4. herbicidal formulations containing pinoxaden according to claim 3, it is characterised in that described auxiliary agent selected from solvent,
Cosolvent, emulsifying agent, wetting agent, dispersant, disintegrating agent, binding agent, antifreezing agent, thickening agent, preservative, synergist, stabilizer,
At least one in defoamer, carrier oil phase, filler and water.
5. herbicidal formulations containing pinoxaden according to claim 3, it is characterised in that the dosage form is wettable powder
Agent, water dispersible granules, aqueous emulsion, microemulsion dispersible oil-suspending agent.
6. herbicidal formulations containing pinoxaden according to claim 5, it is characterised in that the wettable powder is comprising such as
The component of lower weight content：Pinoxaden 1～20%, glufosinate-ammonium 1～50%, trichlopyr 1～30%, wetting agent 1～
5%, dispersant 1～15%, synergist 0～20%, stabilizer 0～5%, filler are mended to 100%.
7. herbicidal formulations containing pinoxaden according to claim 5, it is characterised in that the water dispersible granules are comprising such as
The component of lower weight content：Pinoxaden 1～20%, glufosinate-ammonium 1～50%, trichlopyr 1～30%, wetting agent 1～
5%, dispersant 1～15%, disintegrating agent 1～20%, binding agent 0～5%, synergist 0～20%, stabilizer 0～5%, froth breaking
Agent 0～5%, filler are mended to 100%.
8. herbicidal formulations containing pinoxaden according to claim 5, it is characterised in that the aqueous emulsion includes following weight
The component of amount content：Pinoxaden 1～20%, glufosinate-ammonium 1～50%, trichlopyr 1～30%, solvent 1～20% are helped
Solvent 0～10%, emulsifying agent 1～15%, dispersant 0～5%, antifreezing agent 1～8%, thickening agent 0～5%, preservative 0～
1%, defoamer 0.1～2%, synergist 0～20%, stabilizer 0～5%, water are mended to 100%.
9. herbicidal formulations containing pinoxaden according to claim 5, it is characterised in that the microemulsion includes following weight
The component of amount content：Pinoxaden 1～20%, glufosinate-ammonium 1～50%, trichlopyr 1～30%, solvent 1～20% are helped
Solvent 0～10%, emulsifying agent 1～30%, stabilizer 0～5%, water are mended to 100%.
10. herbicidal formulations containing pinoxaden according to claim 5, it is characterised in that described to dispersible oil-suspending agent
Component comprising following weight content：Pinoxaden 1～20%, glufosinate-ammonium 1～50%, trichlopyr 1～30%, emulsifying
Agent 10～25%, dispersant 0～5%, thickening agent 0.1～5%, stabilizer 0～5%, carrier oil phase are mended to 100%.
11. Herbicidal combinations as described in any one of claim 1-3 prevent and kill off that bare place is annual and perennial weeds in
Using.
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| CN111903695A (en) * | 2020-09-07 | 2020-11-10 | 安徽省四达农药化工有限公司 | Preparation and application of pinoxaden preparation |
| CN112006025A (en) * | 2020-09-04 | 2020-12-01 | 中农立华生物科技股份有限公司 | Weeding composition containing pinoxaden and triclopyr and preparation method thereof |
| CN113693065A (en) * | 2020-05-21 | 2021-11-26 | 合力科技股份有限公司 | Herbicide adjuvant and application thereof, herbicide composition and application method |
| EP3745863A4 (en) * | 2018-01-30 | 2022-02-16 | UPL Ltd | Herbicidal combinations |
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