CN103828816A - Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr - Google Patents
Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr Download PDFInfo
- Publication number
- CN103828816A CN103828816A CN201410065648.7A CN201410065648A CN103828816A CN 103828816 A CN103828816 A CN 103828816A CN 201410065648 A CN201410065648 A CN 201410065648A CN 103828816 A CN103828816 A CN 103828816A
- Authority
- CN
- China
- Prior art keywords
- fluroxypyr
- clodinafop
- propargyl
- fenoxaprop
- mixed herbicide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technology field of pesticide and discloses a mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr. The herbicide takes fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr as main effective ingredients, wherein the mass ratio of fenoxaprop-p-ethyl to clodinafop-propargyl to fluroxypyr is (80-98):(0.1-10):(0.1-10). The invention also discloses application of the mixed herbicide to weeding in a paddy field. The mixed herbicide has broad weeding spectrum through mixture of weed killers, so as to improve the weeding effect; the mixed herbicide has the advantages of having quick effect, long lasting period, thorough weeding effect, low residue, low toxicity, safety, environment protection and the like and having capability of delaying pesticide resistance of the herbicide, and has prominent prevention and control effects on grassy weeds, broad leaf weeds, sedge weeds in the paddy field such as Alternanthera philoxeroides, amur foxtail and difformed galingale herbs.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of weed killer herbicide, be specifically related to mixed herbicide and the application thereof of a kind of Han fenoxaprop, clodinafop-propargyl and fluroxypyr.
Background technology
Fenoxaprop (fenoxaprop-ethyl), belong to heterocyclic oxy group phenoxy propionic acid class weed killer herbicide, have another name called prestige despot, galloping horse, chemical name: (R)-2-[4-(6-chloro-1,3-benzoxazole-2-oxygen base) phenoxy group] ethyl propionate.Fenoxaprop is selectivity inner sucting conduction type herbicide after seedling, is mainly by suppressing synthetic key enzyme one acetyl-CoA carboxylase of fatty acid, thereby has suppressed the synthetic of fatty acid.Medicament is the growing point to meristematic tissue and root by cauline leaf Assimilation and conductivity, and effect rapidly, stops growing for after dispenser 2-3 days, and 5-6 days lobus cardiacus chlorosis purpling looks, make meristematic tissue browning look, and blade is withered gradually, is the extremely strong cauline leaf inorganic agent of selectivity.In addition, this medicament changes rapidly benzene oxygen into from propionic acid in contact after soil, and is further decomposed into non-activity material, thereby to succession crop safety, resolves into the metabolite of non-activity and detoxify in drug resistance crop.Add and can be used for wheat paddock after safener fenchlorazole and prevent and kill off grassy weed.
Clodinafop-propargyl (Clodinafop-propargyl), have another name called the wheat utmost point, chemical name: (R)-2-[4-(the fluoro-2-pyridine of the chloro-3-of 5-oxygen base) phenoxy group] propionic acid propynyl ester, belong to fragrant phenoxy phenoxy propionic acid weed killer herbicide, can effectively suppress the biosynthesis of class ester, for the auxiliary quick A hydroxylase inhibitors of acetyl, it is cauline leaf inorganic agent after selectivity inner sucting conduction type seedling.Conduction meristematic tissue after medicament is absorbed by plant leaf blade, leaf sheath, suppress acetyl-CoA carboxylase, thereby it is synthetic to suppress fatty acid biological, finally causes weeds death.Resistance makes to resolve in object the metabolite of non-activity.This product is degraded to very soon free acid phenyl in soil and pyridine moiety enters soil.In addition, clodinafop-propargyl in use must be mixed with safener, wherein clodinafop-propargyl is mixed and is supported the use with 4:1 with safener-cloquintocetmexyl or cloquitocet_mexyl etc., be applied to wheat paddock weeding, can prevent and treat the grassy weeds such as wheat vole tail amur foxtail, tall oat grass, perennial ryegrass, rough stalked blue grass, green foxtail.But clodinafop-propargyl is invalid to broad leaved weed, herbicidal spectrum is narrow, and it is restricted in the use.
Fluroxypyr (fluroxypyr), has another name called: fluorine grass is fixed, make that it is grand, control green bristlegrass spirit, molecular formula: C
15h
21cl
2fN
2o
3, chemical name: 4-amino-3, the fluoro-2-pyridine-2-of the chloro-6-of 5-bis-pyridine fluoroacetic acid.Fluroxypyr inner sucting conduction type herbicide after seedling.After medicine, be absorbed by plants very soon, make sensitive plant occur the reaction of typical hormone herbicide, plant deformity, distortion.Drug resistance plant as wheat body in, fluroxypyr can be combined into conjugates and lose toxicity, thereby has selectivity.On cereal crop, use optimum period wider, can be used for the ground such as wheat, barley, corn, grape and orchard, pasture, forest farm and prevent and kill off broad leaved weed, as weeds such as clearvers, field bindweed, shepherd's purse, chickweed, volume stem amaranth, kitchen gardens, invalid to grassy weed.Temperature without impact, but affects the speed of its drug effect performance to the final effect of its weeding.Generally in the time that temperature is low, drug effect performance is slower, can make to stop growing after dunsiekte, but not dead immediately; After temperature raises, plant is very fast dead.In soil, leaching is not remarkable, and major part is distributed in 0-10 centimetre of topsoil, under the condition of aerobic, is degraded into very soon the non-poisonous materials such as 2-pyridine alcohol in the effect of edaphon, in soil the half life period shorter, can not exert an influence to a lower batch broad leaf crop.
Along with agriculture modernization development, peasant also uses in a large number high-tech product in agricultural production, a series of chemical products extensive uses such as biopesticide, Pesticidal composition, wherein most popular Pesticidal products is weed killer herbicide, the sales volume of weed killer herbicide comes foremost always in agricultural chemicals.Weed killer herbicide is wide in variety in the market, simultaneously application technology also require high, careless slightly in application, will there is the problems such as poisoning, herbicidal effect be bad.Weed killer herbicide is selected and improperly will directly be affected safety or the output of people or seedlings of cereal crops plant.Along with the development of weeding technology and the continuous appearance of weed killer herbicide, the many weeds in farmland are more and more difficult to kill.
Summary of the invention
The object of this invention is to provide the mixed herbicide of a kind of Han fenoxaprop, clodinafop-propargyl and fluroxypyr.
The mixed herbicide of a kind of Han fenoxaprop, clodinafop-propargyl and fluroxypyr, this weed killer herbicide is take fenoxaprop, clodinafop-propargyl and fluroxypyr as main active ingredient, and the mass ratio of described fenoxaprop, clodinafop-propargyl and fluroxypyr is 80～98:0.1～10:0.1～10.
The mixed herbicide of Han fenoxaprop of the present invention, clodinafop-propargyl and fluroxypyr, the mass ratio of described fenoxaprop, clodinafop-propargyl and fluroxypyr is preferably 80～95:0.5～10:0.5～10, more preferably 80～90:1～10:1～8.
Described fluroxypyr exists with the form of methyl esters or different monooctyl ester.
In the ternary built preparation of fenoxaprop of the present invention, clodinafop-propargyl and fluroxypyr, except three kinds of active ingredients, can also add the auxiliary agent allowing on agricultural chemicals, be mixed with any one formulation.Preferably be processed into the multiple formulations such as wetting powder, water dispersion granule, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, missible oil.
Described insecticides adjuvant comprises: dispersant, wetting agent, disintegrant, emulsifier, antifreezing agent, defoamer, thickener, filler, organic solvent, water.
Described dispersant is selected from one or more in alkylnaphthalene sulfonate, naphthalene sulfonic acid-formaldehyde condensation product, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignosulfonates, alkylaryl APEO, aliphatic alcohol polyethenoxy base ether, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate etc.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, neopelex, Nekal BX, spaonin powder, soapberry powder etc.
Described disintegrant is selected from: one or more in sodium bicarbonate, sodium carbonate, bentonite, urea, ammonium sulfate, glucose, aluminium chloride etc.
Described thickener is selected from: one or more that CMC, sodium cellulose glycolate, hydroxyethylcellulose, Magnesiumaluminumsilicate, gelatin, melon glue, gum Arabic, xanthans, sodium phosphate trimer, phenolic resins, sodium alginate, white dextrin, methylcellulose, PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol, polyvinyl alcohol are medium.
Described antifreezing agent is selected from: one or more in glycerine, ethylene glycol, propane diols, glycerine, diethylene glycol (DEG), triethylene glycol, polyethylene glycol etc.
Described organic solvent is selected from: in DMF, 3-methyl cyclohexanol ketenes, NOP, N-pyrrolidones, toluene, propyl alcohol, cyclohexanone, acetone, methyl alcohol, ethanol, butanols, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, vegetable oil, acetonitrile etc. one or more.
Described defoamer is selected from: silicone defoamer, C
8～10aliphatic alcohols, C
10～20one or more in saturated fat acids (as capric acid) and acid amides, silicone oil, silicone compound.
Described emulsifier is selected from: agriculture breast 500# (alkyl benzene calcium sulfonate), OP series phosphate (polyoxyethylene nonylphenol ether phosphate), 600# phosphate (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxy ethyl ether), agriculture breast 600# (phenyl phenol polyoxy ethyl ether), Nongru-700 # (alkylphenol-formaldehyde resin polyoxy ethyl ether), agriculture breast 36# (phenethyl fluosite polyoxy ethyl ether), agriculture breast 1600# (phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene polyoxypropylene ether), agriculture breast 34# (alkylaryl polyoxyethylene poly-oxygen propylene aether), sapn series, tween series, one or more in AEO series (fatty alcohol-polyoxyethylene ether) etc.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate etc.
Herbicidal combinations of the present invention, comprises following constituent content: fenoxaprop 80～98%, clodinafop-propargyl 0.1～10%, fluroxypyr 0.1～10%, dispersant 1～5%, wetting agent 1～8%, filler surplus while making wetting powder.
Herbicidal combinations of the present invention, comprises following constituent content: fenoxaprop 80～98%, clodinafop-propargyl 0.1～10%, fluroxypyr 0.1～10%, dispersant 1～10%, wetting agent 1～8%, disintegrant 0.5～10%, filler surplus while making water dispersible granules.
Herbicidal combinations of the present invention, while making suspending agent, comprise following constituent content: fenoxaprop 80～98%, clodinafop-propargyl 0.1～10%, fluroxypyr 0.1～10%, dispersant 1～10%, thickener 0.1～2%, defoamer 0.1～1%, antifreezing agent 0.1～8%, deionized water adds to 100%.
Herbicidal combinations of the present invention, while making suspension emulsion, comprise following constituent content: fenoxaprop 80～98%, clodinafop-propargyl 0.1～10%, fluroxypyr 0.1～10%, dispersant 1～10%, emulsifier 1～10%, defoamer 0.1～2%, thickener 0.1～2%, antifreezing agent 0.1～8%, deionized water adds to 100%.
Herbicidal combinations of the present invention, while making microemulsion, comprise: fenoxaprop 80～98%, clodinafop-propargyl 0.1～10%, fluroxypyr 0.1～10%, organic solvent 1～20%, emulsifier 1～10%, defoamer 0.01～1%, thickener 0.1～2%, antifreezing agent 1～4%, deionized water adds to 100%.
Herbicidal combinations of the present invention, comprises while making aqueous emulsion that: fenoxaprop 80～98%, clodinafop-propargyl 0.1～10%, fluroxypyr 0.1～10%, organic solvent 1～20%, emulsifier 1～8%, antifreezing agent 1～4%, defoamer 0.01～1%, thickener 0.2～2%, deionized water add to 100%.
" % " of the present invention is quality percentage composition.
Another object of the present invention is to provide the application of this mixed herbicide in agent for removing grass in paddy field.
Mixed herbicide of the present invention, in the application of preventing and kill off in paddy field grassy weed, broad leaved weed and sedge weed, has remarkable result in the application of preventing and kill off in paddy field alternanthera philoxeroides, amur foxtail, difformed galingale herb, barnyard grass, clearvers, short arrowhead, moleplant seed, needle spikesedge herb, mexicana, four leaf duckweeds.
Compared with prior art, the beneficial effect of Herbicidal combinations of the present invention:
Mixed herbicide of the present invention is by the mixed herbicidal spectrum that expanded of weed killer herbicide, improved herbicidal effect, there is instant effect, the advantage such as the lasting period is long, delay weed killer herbicide pesticide resistance, thorough, residual low, the low toxicity of weeding, safety and environmental protection, the paddy field chemical herbicide of high-quality, as outstanding in grassy weed, broad leaved weed and sedge weed control efficiency such as alternanthera philoxeroides, amur foxtail, difformed galingale herb, barnyard grass, short arrowhead, moleplant seed, needle spikesedge herb, mexicana, four Ye Ping to paddy field grass family, sedge family, broad leaved weed class.
Embodiment
Embodiment 195% fenoxaprop-clodinafop-propargyl-fluroxypyr wetting powder
Fenoxaprop 90%, clodinafop-propargyl 1%, fluroxypyr 4%, sodium lignin sulfonate 2%, neopelex 1%, kaolin add to 100%, make 95% fenoxaprop-clodinafop-propargyl-fluroxypyr wetting powder.Wherein fluroxypyr exists with different monooctyl ester form.
Fenoxaprop, clodinafop-propargyl, fluroxypyr, dispersant (sodium lignin sulfonate), wetting agent (neopelex), filler (kaolin) are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into wetting powder product of the present invention.
Embodiment 285% fenoxaprop-clodinafop-propargyl-fluroxypyr water dispersible granules
Fenoxaprop 80%, clodinafop-propargyl 4%, fluroxypyr 1%, aliphatic alcohol polyethenoxy base ether 5%, spaonin powder 4%, ammonium sulfate 2%, diatomite add to 100%, make 85% fenoxaprop-clodinafop-propargyl-fluroxypyr water dispersible granules.Wherein fluroxypyr exists with different monooctyl ester form.
Fenoxaprop, clodinafop-propargyl, fluroxypyr, dispersant (aliphatic alcohol polyethenoxy base ether), wetting agent (spaonin powder), disintegrant (ammonium sulfate), filler (diatomite) etc. are obtained to the particle diameter needing through air-flow crushing together, obtain the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, make water dispersible granules product of the present invention.
Embodiment 392% fenoxaprop-clodinafop-propargyl-fluroxypyr suspending agent
Fenoxaprop 80%, clodinafop-propargyl 10%, fluroxypyr 2%, sodium lignin sulfonate 5%, Magnesiumaluminumsilicate 1%, C
10～20saturated fat acids 0.3%, polyethylene glycol 2.5%, water adds to 100%, makes 92% fenoxaprop-clodinafop-propargyl-fluroxypyr suspending agent.Wherein fluroxypyr exists with different monooctyl ester form.
By dispersant (sodium lignin sulfonate), thickener (Magnesiumaluminumsilicate), defoamer (C in above-mentioned formulation material
10～20saturated fat acids), antifreezing agent (polyethylene glycol) mixes through high speed shear, add fenoxaprop, clodinafop-propargyl, fluroxypyr, ball milling 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes suspending agent product of the present invention.
Embodiment 496% fenoxaprop-clodinafop-propargyl-fluroxypyr suspension emulsion
Fenoxaprop 86%, clodinafop-propargyl 2%, fluroxypyr 8%, lignosulfonates 1%, fatty alcohol-polyoxyethylene ether 1%, silicone oil 0.5%, xanthans 0.1%, propane diols 0.5%, water adds to 100%, aforementioned formula material is mixed, make 96% fenoxaprop-clodinafop-propargyl-fluroxypyr suspension emulsion.Wherein fluroxypyr exists with methyl ester form.
Dispersant (sodium lignin sulfonate), defoamer (silicone oil), thickener (xanthans), antifreezing agent (propane diols) in above-mentioned formulation material are mixed through high speed shear, add clodinafop-propargyl, fluroxypyr, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make clodinafop-propargyl-fluroxypyr suspending agent, then fenoxaprop, emulsifier (fatty alcohol-polyoxyethylene ether) in clodinafop-propargyl suspending agent, are made to suspension emulsion product of the present invention with the direct emulsification of high speed agitator.
Embodiment 590% fenoxaprop-clodinafop-propargyl-fluroxypyr microemulsion
Fenoxaprop 83%, clodinafop-propargyl 5%, fluroxypyr 2%, toluene 2%, 3-methyl cyclohexanol ketenes 3%, agriculture breast 500#1%, C
8～10aliphatic alcohols 0.2%, sodium cellulose glycolate 0.5%, diethylene glycol (DEG) 2%, water supplies 100%, makes 90% fenoxaprop-clodinafop-propargyl-fluroxypyr microemulsion.Wherein fluroxypyr exists with different monooctyl ester form.
Fenoxaprop, clodinafop-propargyl and fluroxypyr are dissolved in the reactor that organic solvent (toluene, 3-methyl cyclohexanol ketenes) is housed; By emulsifier (agriculture breast 500#), defoamer (C
8～10aliphatic alcohols), antifreezing agent (diethylene glycol (DEG)), thickener (sodium cellulose glycolate), water give strong mixing and homogenize after joining in the reactor that above-mentioned solution is housed, finally obtain the as clear as crystal microemulsion product of the present invention of outward appearance.
Embodiment 692% fenoxaprop-clodinafop-propargyl-fluroxypyr aqueous emulsion
Fenoxaprop 87%, clodinafop-propargyl 2%, fluroxypyr 3%, toluene 3%, cyclohexanone 1%, 600# phosphate 1%, ethylene glycol 1%, xanthans 0.5%, silicone oil 0.2%, water is mended to 100%, makes 92% fenoxaprop-clodinafop-propargyl-fluroxypyr aqueous emulsion.Wherein fluroxypyr exists with methyl ester form.
Fenoxaprop, clodinafop-propargyl, fluroxypyr, organic solvent (toluene, cyclohexanone), emulsifier (600# phosphate) in formula are added together, are dissolved into even oil phase; Water, antifreezing agent (ethylene glycol), defoamer (silicone oil), thickener (xanthans) are mixed, become homogeneous water; Under high-speed stirred, water is added to oil phase or oil phase is added to water, after good dispersion, make aqueous emulsion product of the present invention.
Embodiment 795% fenoxaprop-clodinafop-propargyl-fluroxypyr suspending agent
Fenoxaprop 92%, clodinafop-propargyl 2%, fluroxypyr 1%, alkyl benzene sulfonate calcium salt 2%, sodium alginate 0.5%, silicone defoamer 0.1%, diethylene glycol (DEG) 2%, deionized water adds to 100%, mixes and makes 95% fenoxaprop-clodinafop-propargyl-fluroxypyr suspending agent.Wherein fluroxypyr exists with different monooctyl ester form.
Embodiment 897% fenoxaprop-clodinafop-propargyl-fluroxypyr water dispersible granules
Fenoxaprop 95%, clodinafop-propargyl 1.5%, fluroxypyr 0.5%, polycarboxylate 1%, soapberry powder 1%, ammonium sulfate 0.8%, white carbon adds to 100%, makes 97% fenoxaprop-clodinafop-propargyl-fluroxypyr water dispersible granules.Wherein fluroxypyr exists with methyl ester form.
Embodiment 981% fenoxaprop-clodinafop-propargyl-fluroxypyr wetting powder
Clodinafop-propargyl 80%, clodinafop-propargyl 0.5%, fluroxypyr 0.5%, sodium lignin sulfonate 5%, lauryl sodium sulfate 5%, bentonite adds to 100%, makes 81% fenoxaprop-clodinafop-propargyl-fluroxypyr wetting powder.Wherein fluroxypyr exists with methyl ester form.
Embodiment 1090% fenoxaprop-clodinafop-propargyl-fluroxypyr aqueous emulsion
Fenoxaprop 83%, clodinafop-propargyl 5%, fluroxypyr 2%, toluene 3%, cyclohexanone 2%, 600# phosphate 2%, ethylene glycol 1%, gum Arabic 0.4%, silicone oil 0.2%, water is mended to 100%, makes 90% fenoxaprop-clodinafop-propargyl-fluroxypyr aqueous emulsion.Wherein fluroxypyr exists with different monooctyl ester form.
Embodiment 1187% fenoxaprop-clodinafop-propargyl-fluroxypyr microemulsion
Fenoxaprop 81%, clodinafop-propargyl 1%, fluroxypyr 5%, toluene 3%, 3-methyl cyclohexanol ketenes 4%, agriculture breast 500#3%, C
8～10aliphatic alcohols 0.2%, hydroxyethylcellulose 0.6%, diethylene glycol (DEG) 1%, water supplies 100%, makes 87% fenoxaprop-clodinafop-propargyl-fluroxypyr microemulsion.Wherein fluroxypyr exists with different monooctyl ester form.
Embodiment 1285% fenoxaprop-clodinafop-propargyl-fluroxypyr suspension emulsion
Fenoxaprop 80.5%, clodinafop-propargyl 4%, fluroxypyr 0.5%, sodium lignin sulfonate 4%, fatty alcohol-polyoxyethylene ether 6%, silicone oil 0.5%, melon glue 0.4%, propane diols 2.5%, water adds to 100%, aforementioned formula material is mixed, make 85% fenoxaprop-clodinafop-propargyl-fluroxypyr suspension emulsion.Wherein fluroxypyr exists with different monooctyl ester form.
Embodiment 13
1, toxicity determination test
Test objective: fenoxaprop, clodinafop-propargyl, fluroxypyr and different blended combo thereof are closed the herbicidal effect to alternanthera philoxeroides Xia greenhouse pot culture condition, and evaluated its synergy.
Test method: using alternanthera philoxeroides as the raw object of surveying, select and do not use weed killer herbicide, pH6.8 soil, by after air-dry soil sieving, pack in the polypots of high 6cm, diameter 9cm, 20 seeds of every basin sowing, are placed on cultivation greenhouse in after the thick fine earth of lid 0.5～1cm, treat that weeds grew to for 2～4 leaf phases and adopt potted plant cauline leaf facture (NY/T1155.4-2006), every alms bowl spraying liquid 1mL, every processing repeats 4 times, and establishes the not contrast that is treated to containing medicament.After processing, examination material is placed in the greenhouse in and cultivates, and the growing state of routine observation target weeds is estimated target be injured symptom and growth inhibition situation, and claimed acrial part fresh weight or strain fresh weight, the toxicity action with target fresh weight inhibiting rate evaluation medicament to target weeds after 20d.Concrete grammar is with reference to NY/T1155.4-2006 farm-chemical indoor determination test rule weed killer herbicide the 4th part: active determination test cauline leaf spray-on process is tested, and every processing repeats for 4 times, and every repetition 20 strains are not established and are treated to blank containing medicament.Ternary built synergy evaluation method is with reference to the Colby method in the synergy mensuration of NY/T1155.7-2006 farm-chemical indoor determination test rule weed killer herbicide the 7th part mixture.
The actual preventive effect E of weeds of single dose and each mixture calculates according to following formula:
E=(Ck-Pt)/Ck × 100; In formula, Ck is the weeds fresh weight after the dispenser of blank district; Pt is the weeds fresh weight after chemicals treatment.
The theoretical preventive effect of mixture is calculated according to following formula:
E
0=X × Y × Z/100
2; In formula, X Wei fenoxaprop weeds weight under certain dosage is the percentage of contrast weeds weight; Y is that clodinafop-propargyl weeds weight under certain dosage is the percentage of contrast weeds weight; Z is that 2 fluroxypyrs weeds weight under certain dosage is the percentage of contrast weeds weight.
Work as E
0when-E>=10%, be expressed as synergistic effect, as-10% < E
0when-E < 10%, be expressed as summation action, work as E
0when-E≤-10%, be expressed as antagonism.
The results are shown in Table 1.
Table 1 fenoxaprop, clodinafop-propargyl and the Toxicity Determination of fluroxypyr weed killer herbicide to alternanthera philoxeroides
Evaluating drug effect: fenoxaprop, clodinafop-propargyl, fluroxypyr and mixture composition thereof all show as synergistic effect in table 1 ， fenoxaprop, clodinafop-propargyl and fluroxypyr ternary recompounded composite to alternanthera philoxeroides to the herbicidal effect measurement result of alternanthera philoxeroides.
2, field control effectiveness test
6 kinds of ternary built weed killer herbicides in reagent agent: embodiment 1～6.
Contrast medicament: 6.9% fenoxaprop aqueous emulsion (commercially available), 24% clodinafop-propargyl missible oil (commercially available), 20% fluroxypyr missible oil (commercially available).
Control crop: paddy rice.
Prevent and kill off object: grassy weed, broad leaved weed and the sedge weeds such as alternanthera philoxeroides, amur foxtail, difformed galingale herb, barnyard grass, clearvers, short arrowhead, moleplant seed, needle spikesedge herb, mexicana, four Ye Ping.
Test method: according to the area of experimental plot, accurately weigh good various medicaments, and be watered after dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head that sprinkler selection weed killer herbicide is special.When spraying, note liquid evenly to spray application in experimental plot the phenomenon of accomplishing there is no drain spray, spraying more.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicaments.In addition, also to after medicine, in 1～15d, observe the growing state of crop, to investigate medicament, whether crop be had to poisoning.
The embodiments of the invention preparation weeding test effect 20d after 2(medicine that sees the following form) and table 3(medicine after 40d)
Table 2 field control effectiveness test result (20d after medicine)
Table 3 field control effectiveness test result (40d after medicine)
The security survey result of table 4 medicament to crop
Can find out that from table 2, table 3 the present invention combines use by three kinds of pesticide activity components and improved overall preventive effect, drug effect performance is also than comparatively fast, the herbicide spectrum of mixed herbicide of the present invention is further expanded, obtained significant synergy preventing and kill off aspect grassy weed, broad leaved weed and sedge weed.Mixed herbicide medication of the present invention simultaneously was obviously better than with drug effect after 40 days the control efficiency that three kinds of agricultural chemicals use separately after 10 days.It is more lasting that this shows that mixed herbicide of the present invention not only acts on, and be difficult for making weeds especially malignant weed develop immunity to drugs.
As can be seen from Table 4, the paddy rice in the each community of mixed herbicide of the present invention all grows fine, and has no any medicine spot, illustrates that the mixed herbicide of variable concentrations is all safe to paddy rice.Mixed herbicide of the present invention is easily degraded, and to rice safety, has no side effect; In soil residual life short, to succession crop safety.
Claims (8)
1. the mixed herbicide containing fenoxaprop, clodinafop-propargyl and fluroxypyr, it is characterized in that this weed killer herbicide is take fenoxaprop, clodinafop-propargyl and fluroxypyr as main active ingredient, the mass ratio of described fenoxaprop, clodinafop-propargyl and fluroxypyr is 80～98:0.1～10:0.1～10.
2. mixed herbicide according to claim 1, the mass ratio that it is characterized in that described fenoxaprop, clodinafop-propargyl and fluroxypyr is 80～95:0.5～10:0.5～10.
3. mixed herbicide according to claim 2, the mass ratio that it is characterized in that described fenoxaprop, clodinafop-propargyl and fluroxypyr is 80～90:1～10:1～8.
4. mixed herbicide according to claim 1, is characterized in that described mixed herbicide, and the auxiliary agent allowing on main active ingredient and agricultural chemicals take fenoxaprop, clodinafop-propargyl and fluroxypyr is mixed with any one formulation.
5. mixed herbicide according to claim 4, is characterized in that described formulation is wetting powder, water dispersion granule, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, missible oil.
6. the application of mixed herbicide claimed in claim 1 in the postemergence weed control of paddy rice.
7. mixed herbicide claimed in claim 1 is in the application of preventing and kill off in paddy field grassy weed, broad leaved weed and sedge weed.
8. mixed herbicide claimed in claim 1 is in the application of preventing and kill off in paddy field alternanthera philoxeroides, amur foxtail, difformed galingale herb, barnyard grass, clearvers, short arrowhead, moleplant seed, needle spikesedge herb, mexicana, four leaf duckweeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065648.7A CN103828816B (en) | 2014-02-26 | 2014-02-26 | Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065648.7A CN103828816B (en) | 2014-02-26 | 2014-02-26 | Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103828816A true CN103828816A (en) | 2014-06-04 |
| CN103828816B CN103828816B (en) | 2015-02-11 |
Family
ID=50792969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410065648.7A Active CN103828816B (en) | 2014-02-26 | 2014-02-26 | Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103828816B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104126598A (en) * | 2014-08-25 | 2014-11-05 | 河南远见农业科技有限公司 | Herbicide composition for wheat field and application of herbicide composition |
| CN106359401A (en) * | 2016-08-26 | 2017-02-01 | 安徽久易农业股份有限公司 | Fenoxaprop-p-ethyl and fluroxypyr-containing water dispersible granule |
| CN108308185A (en) * | 2018-05-16 | 2018-07-24 | 安徽省四达农药化工有限公司 | A kind of composition containing fenoxaprop and the different monooctyl ester of fluroxypyr and application |
| CN111732553A (en) * | 2020-06-18 | 2020-10-02 | 江苏富鼎化学有限公司 | Method for synthesizing herbicide fenoxaprop-p-ethyl |
| CN112471144A (en) * | 2020-12-28 | 2021-03-12 | 安徽兴隆化工有限公司 | Processing technology of clodinafop-propargyl microemulsion |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007006416A2 (en) * | 2005-07-07 | 2007-01-18 | Bayer Cropscience Ag | Cultigen-compatible herbicidal agents containing herbicides and acylsulfamoylbenzamide safeners |
| CN101700023A (en) * | 2009-10-21 | 2010-05-05 | 张志高 | Clodinafop-propargyl and fenoxaprop-p-ethyl herbicide composition |
-
2014
- 2014-02-26 CN CN201410065648.7A patent/CN103828816B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007006416A2 (en) * | 2005-07-07 | 2007-01-18 | Bayer Cropscience Ag | Cultigen-compatible herbicidal agents containing herbicides and acylsulfamoylbenzamide safeners |
| CN101700023A (en) * | 2009-10-21 | 2010-05-05 | 张志高 | Clodinafop-propargyl and fenoxaprop-p-ethyl herbicide composition |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104126598A (en) * | 2014-08-25 | 2014-11-05 | 河南远见农业科技有限公司 | Herbicide composition for wheat field and application of herbicide composition |
| CN104126598B (en) * | 2014-08-25 | 2016-09-07 | 河南远见农业科技有限公司 | A kind of herbicide composition for wheat field and application |
| CN106359401A (en) * | 2016-08-26 | 2017-02-01 | 安徽久易农业股份有限公司 | Fenoxaprop-p-ethyl and fluroxypyr-containing water dispersible granule |
| CN108308185A (en) * | 2018-05-16 | 2018-07-24 | 安徽省四达农药化工有限公司 | A kind of composition containing fenoxaprop and the different monooctyl ester of fluroxypyr and application |
| CN111732553A (en) * | 2020-06-18 | 2020-10-02 | 江苏富鼎化学有限公司 | Method for synthesizing herbicide fenoxaprop-p-ethyl |
| CN111732553B (en) * | 2020-06-18 | 2022-08-05 | 江苏富鼎化学有限公司 | Method for synthesizing herbicide fenoxaprop-p-ethyl |
| CN112471144A (en) * | 2020-12-28 | 2021-03-12 | 安徽兴隆化工有限公司 | Processing technology of clodinafop-propargyl microemulsion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103828816B (en) | 2015-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102326549B (en) | Herbicidal composition containing mesotrione | |
| CN103749480B (en) | Paddy field herbicide composition and application | |
| CN102326551B (en) | Weeding composition containing diflufenican | |
| CN103783076B (en) | A kind of mixed herbicide containing glyphosate, two careless ether and methoxone and application thereof | |
| CN103828816B (en) | Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr | |
| CN104542645B (en) | A kind of Herbicidal combinations containing pyridine sulphur grass amine, clodinafop-propargyl and fluroxypyr | |
| CN102293212B (en) | Weeding composition containing rimsulfuron and triazine | |
| CN102239843B (en) | Composition of fluroxypyr or ester of fluroxypyr and fluoroglycofen-ethyl and preparation method thereof | |
| CN102265875B (en) | Weeding composition containing florasulam and bromoxynil octanoate | |
| CN103828839B (en) | A kind of mixed herbicide and application thereof containing glyphosate and two careless ether | |
| CN102273476B (en) | Pesticide composition containing bispyribac-sodium | |
| CN104757001A (en) | Wettable powder containing fluroxypyr, florasulam and carfentrazone-ethyl | |
| CN102283214B (en) | Weeding composition containing bispyribac-sodium | |
| CN104757011A (en) | Wettable powder containing penoxsulam, mefenacet and pyrazosulfuron-ethyl | |
| CN109526972A (en) | A kind of herbicidal composition containing propanil and metamifop | |
| CN103300008B (en) | A kind of Synergistic herbicide compositions of containing chlorine fluorine pyrrole fluoroacetic acid | |
| CN103238607B (en) | The Herbicidal combinations of a kind of Han isoxazole humulone and fluroxypyr | |
| CN102265834A (en) | Weeding composition containing carfentrazone-ethyl | |
| CN102326558B (en) | Weeding composition containing carfentrazone-ethyl and bromoxynil octanoate | |
| CN102326556A (en) | Weeding composition containing carfentrazone-ethyl and diflufenican | |
| CN102326559A (en) | Weeding composition containing diflufenican and triazines | |
| CN102326564B (en) | Weeding composition containing florasulam | |
| CN102318608A (en) | A kind of Herbicidal combinations that contains diflufenican and pyrrole grass ether | |
| CN102258021B (en) | Beflubutamid-containing weeding composition | |
| CN102150665B (en) | Herbicidal composition containing cyhalofop-butyl and triazines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: On the north side of the bridge in Jiangsu County of Hongze province Guo 223100 Salt Chemical Industry Development Zone Patentee after: JIANGSU FUDING CHEMICAL CO., LTD. Address before: 211511 double lane road, Hongshan Fine Chemical Industrial Park, Liuhe District, Jiangsu, Nanjing Patentee before: JIANGSU FUDING CHEMICAL CO., LTD. |