CN103783051B - A kind of mixed herbicide containing florasulam, azoles humulone and methoxone - Google Patents
A kind of mixed herbicide containing florasulam, azoles humulone and methoxone Download PDFInfo
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Abstract
The invention belongs to technical field of pesticide, disclose a kind of mixed herbicide containing florasulam, azoles humulone and methoxone, this weed killer herbicide is with florasulam, azoles humulone and methoxone for principle active component, and the mass ratio of described florasulam, azoles humulone and methoxone is 80 ~ 98: 0.1 ~ 10: 0.1 ~ 10.The invention also discloses the application of this mixed herbicide in agent for removing grass in paddy field.Mixed herbicide of the present invention expands herbicidal spectrum by the mixed of weed killer herbicide, improve herbicidal effect, there is instant effect, the lasting period is long, delay herbicide resistance, weeding thoroughly, the advantage such as residual low, low toxicity, safety and environmental protection, as outstanding in grassy weed, broad leaved weed and sedge weed control efficiency such as paddy rice lolium temulentum, amur foxtail, wartwort to paddy field grass family, sedge family, broad leaved weed class.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of weed killer herbicide, be specifically related to a kind of mixed herbicide containing florasulam, azoles humulone and methoxone and application thereof.
Background technology
Florasulam (florasulam), has another name called Mai Xiwei, Mai Shida; Chemical name: the fluoro-5-ethyoxyl of 2', 6'-bis--8-fluorine [1,2,4] triazole [1,5-c] pyrimidine-2-sulfonanilide, structural formula is as follows:
Florasulam belongs to triazolopyrimidine sulfonamides herbicide, is the inhibitor of acetolactate synthestase (ALS), has Uptake and translocation effect, can conduct to weeds complete stool, and thus herbicide is thorough, can not recur.Efficacy stability at low temperatures, even still can ensure stable drug effect 2 DEG C time, this point is that other weed killer herbicides are incomparable.Be mainly used in controlling broad leaved weed in wheat field, if broad leaved weed is as clearvers, chickweed, Polygonum weeds, compositae weeds etc.
Other title of azoles humulone: good fortune agriculture, soon go out spirit, triazolone grass ester, carfentrazone, it is the triazolineone weed killer herbicide developed by rich U.S. real (FMC) company of the U.S., chemical name: the chloro-5-of the chloro-3-{2-of ethyl-2-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxygen-1H-1,2,4-triazol-1-yl]-4-fluorophenyl } ethyl propionate.Azoles humulone is protoporphyrin oxidase inhibitor, by suppressing protoporphyrin oxidase, thus film is divided.Cereal crop uses, for leaf surface treatment after seedling, responsive broad leaved weed is conducted be obstructed and very quick-drying is withered dies, to wheat, the cereal crop safety such as corn, have special efficacy, to succession crop safety to the weeds developed immunity to drugs in Long-Time Service sulfonylureas weed killer herbicide area.
Methoxone, chemical name: 2-methyl-4-tomatotone is a kind of plant hormone of Prof. Du Yucang, has the physiological effect similar to growth hormone (IAA), can be used as plant growth regulating, is the one of the conventional growth hormone analog for evoked callus formation.Methoxone mainly acts on dicotyledon, can the crop Tanakas such as wheat, paddy rice, corn, sugarcane prevent and kill off the broad leaved weed such as lamb's-quarters, amaranth and the budding period grassy weed.Interior absorption.Can enter in plant corpus from stem, leaf, degraded slowly, therefore can accumulate finite concentration, thus interference plant corpus internal hormone balance, destroy nucleic acid and proteometabolism, promote or suppress some organ growth, making the distortion of weeds cauline leaf, stem foot is thicker, swollen to be split.
Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, because some weed killer herbicide kind large area are used alone, a lot of weeds have been caused to create pesticide resistance.Meanwhile, because grass when weeds occur is complicated, of a great variety mutually, single variety uses effectively can not solve farmland weed, all can show defect in a certain respect.Weed killer herbicide is wide in variety in the market, and simultaneously application technology also requires high, careless slightly in the application, and the problems such as poisoning, herbicidal effect be bad will occur.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 technique and the continuous appearance of weed killer herbicide, the many weeds in farmland are then more and more difficult to kill.
Summary of the invention
The object of this invention is to provide a kind of mixed herbicide containing florasulam, azoles humulone and methoxone.
A kind of mixed herbicide containing florasulam, azoles humulone and methoxone, this weed killer herbicide is with florasulam, azoles humulone and methoxone for principle active component, and the mass ratio of described florasulam, azoles humulone and methoxone is 80 ~ 98:0.1 ~ 10:0.1 ~ 10.
Mixed herbicide containing florasulam, azoles humulone and methoxone of the present invention, the mass ratio of described florasulam, azoles humulone and methoxone is preferably 80 ~ 95:0.5 ~ 10:0.5 ~ 10, more preferably 80 ~ 90:1 ~ 10:1 ~ 8%.
Described methoxone exists with the form of water soluble salt or acid esters, the water soluble salt of described methoxone comprises the water soluble salts such as sodium salt, sylvite, ammonium salt, isopropyl amine salt, methylamine salt, dimethylamine salt, alcohol salt, triethanolamine salt, triisopropanolamine salt, and the acid esters of described methoxone comprises methoxone butyl ester, the different monooctyl ester of methoxone, methoxone propionic acid and its esters etc.
In the ternary built preparation of florasulam of the present invention, azoles humulone and methoxone, except three kinds of active ingredients, the auxiliary agent that agricultural chemicals allows can also be added, 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 be selected from 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. one or more.
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: medium one or more of 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.
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 (thermally coupled distillation columns), 600# phosphate (phenyl phenol polyoxyethanyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), agriculture breast 600# (phenyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol-formaldehyde resin polyoxyethyl ether), agriculture breast 36# (phenethyl fluosite polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl 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), Span 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 when making wetting powder: florasulam 80 ~ 98%, azoles humulone 0.1 ~ 10%, methoxone 0.1 ~ 10%, dispersant 1 ~ 5%, wetting agent 1 ~ 8%, filler surplus.
Herbicidal combinations of the present invention, comprises following constituent content when making water dispersible granules: florasulam 80 ~ 98%, azoles humulone 0.1 ~ 10%, methoxone 0.1 ~ 10%, dispersant 1 ~ 10%, wetting agent 1 ~ 8%, disintegrant 0.5 ~ 10%, filler surplus.
Herbicidal combinations of the present invention, following constituent content is comprised: florasulam 80 ~ 98% when making suspending agent, azoles humulone 0.1 ~ 10%, methoxone 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, following constituent content is comprised: florasulam 80 ~ 98%, azoles humulone 0.1 ~ 10%, methoxone 0.1 ~ 10%, dispersant 1 ~ 10%, emulsifier 1 ~ 10% when making suspension emulsion, defoamer 0.1 ~ 2%, thickener 0.1 ~ 2%, antifreezing agent 0.1 ~ 8%, deionized water adds to 100%.
Herbicidal combinations of the present invention, comprise when making microemulsion: florasulam 80 ~ 98%, azoles humulone 0.1 ~ 10%, methoxone 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 when making aqueous emulsion: florasulam 80 ~ 98%, azoles humulone 0.1 ~ 10%, methoxone 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 mass percentage.
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 is preventing and kill off the application in paddy field grassy weed, broad leaved weed and sedge weed, has remarkable result preventing and kill off the application in paddy field lolium temulentum, amur foxtail, wartwort, difformed galingale herb, barnyard grass, clearvers, short arrowhead, moleplant seed.
Compared with prior art, the beneficial effect of Herbicidal combinations of the present invention:
Mixed herbicide of the present invention expands herbicidal spectrum by the mixed of weed killer herbicide, improve herbicidal effect, there is instant effect, the lasting period is long, delay herbicide resistance, weeding thoroughly, the advantage such as residual low, low toxicity, safety and environmental protection, be the paddy field chemical herbicide of high-quality, paddy field grass family, sedge family, broad leaved weed class such as grassy weed, broad leaved weed and the sedge weed control efficiency such as lolium temulentum, amur foxtail, wartwort, difformed galingale herb, barnyard grass, clearvers, short arrowhead, moleplant seed are given prominence to.
Embodiment
Embodiment 195% florasulam-azoles humulone-methoxone wetting powder
Florasulam 90%, azoles humulone 1%, methoxone 4%, sodium lignin sulfonate 2%, neopelex 1%, kaolin add to 100%, i.e. obtained 95% florasulam-azoles humulone-methoxone wetting powder.Wherein methoxone exists with sodium-salt form.
By florasulam, azoles humulone, methoxone, dispersant (sodium lignin sulfonate), wetting agent (neopelex), filler (kaolin) mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.
Embodiment 285% florasulam-azoles humulone-methoxone water dispersible granules
Florasulam 80%, azoles humulone 4%, methoxone 1%, aliphatic alcohol polyethenoxy base ether 5%, spaonin powder 4%, ammonium sulfate 2%, diatomite add to 100%, obtained 85% florasulam-azoles humulone-methoxone water dispersible granules.Wherein methoxone exists with sodium-salt form.
Florasulam, azoles humulone, methoxone, dispersant (aliphatic alcohol polyethenoxy base ether), wetting agent (spaonin powder), disintegrant (ammonium sulfate), filler (diatomite) etc. are obtained together the particle diameter needed through air-flow crushing, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, obtaining water dispersible granules product of the present invention.
Embodiment 392% florasulam-azoles humulone-methoxone suspending agent
Florasulam 80%, azoles humulone 10%, methoxone 2%, sodium lignin sulfonate 5%, Magnesiumaluminumsilicate 1%, C
10 ~ 20saturated fat acids 0.3%, polyethylene glycol 2.5%, water adds to 100%, obtained 92% florasulam-azoles humulone-methoxone suspending agent.Wherein methoxone 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 florasulam, azoles humulone, methoxone, ball milling 2 ~ 3 hours in ball mill, makes diameter of particle all below 5 μm, obtained suspending agent product of the present invention.
Embodiment 496% florasulam-azoles humulone-methoxone suspension emulsion
Florasulam 86%, azoles humulone 2%, methoxone 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, i.e. obtained 96% florasulam-azoles humulone-methoxone suspension emulsion.Wherein methoxone exists with butyl 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 azoles humulone, methoxone, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained azoles humulone-methoxone suspending agent, then by florasulam, emulsifier (fatty alcohol-polyoxyethylene ether) with the direct emulsification of high speed agitator in azoles humulone suspending agent, obtained suspension emulsion product of the present invention.
Embodiment 590% florasulam-azoles humulone-methoxone microemulsion
Florasulam 83%, azoles humulone 5%, methoxone 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%, obtained 90% florasulam-azoles humulone-methoxone microemulsion.Wherein methoxone exists with sodium-salt form.
Florasulam, azoles humulone and methoxone 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 joins and to give strong mixing after in the reactor that above-mentioned solution is housed and homogenize, finally obtains the microemulsion product of the present invention that clear appearance is transparent.
Embodiment 692% florasulam-azoles humulone-methoxone aqueous emulsion
Florasulam 87%, azoles humulone 2%, methoxone 3%, toluene 3%, cyclohexanone 1%, 600# phosphate 1%, ethylene glycol 1%, xanthans 0.5%, silicone oil 0.2%, water is mended to 100%, obtained 92% florasulam-azoles humulone-methoxone aqueous emulsion.Wherein methoxone exists with sodium-salt form.
Florasulam in formula, azoles humulone, methoxone, organic solvent (toluene, cyclohexanone), emulsifier (600# phosphate) are added together, are dissolved into homogeneous oil phase; Water, antifreezing agent (ethylene glycol), defoamer (silicone oil), thickener (xanthans) are mixed, becomes homogeneous aqueous phase; Under high velocity agitation, aqueous phase is added oil phase or oil phase is added aqueous phase, obtained aqueous emulsion product of the present invention after good dispersion.
Embodiment 795% florasulam-azoles humulone-methoxone suspending agent
Florasulam 92%, azoles humulone 2%, methoxone 1%, alkyl benzene sulfonate calcium salt 2%, sodium alginate 0.5%, silicone defoamer 0.1%, diethylene glycol (DEG) 2%, deionized water adds to 100%, the obtained 95% florasulam-azoles humulone-methoxone suspending agent of mixing.Wherein methoxone exists with different monooctyl ester form.
Embodiment 897% florasulam-azoles humulone-methoxone water dispersible granules
Florasulam 95%, azoles humulone 1.5%, methoxone 0.5%, polycarboxylate 1%, soapberry powder 1%, ammonium sulfate 0.8%, white carbon adds to 100%, obtained 97% florasulam-azoles humulone-methoxone water dispersible granules.Wherein methoxone exists with sodium-salt form.
Embodiment 981% florasulam-azoles humulone-methoxone wetting powder
Azoles humulone 80%, azoles humulone 0.5%, methoxone 0.5%, sodium lignin sulfonate 5%, lauryl sodium sulfate 5%, bentonite adds to 100%, i.e. obtained 81% florasulam-azoles humulone-methoxone wetting powder.Wherein methoxone exists with sodium-salt form.
Embodiment 1090% florasulam-azoles humulone-methoxone aqueous emulsion
Florasulam 83%, azoles humulone 5%, methoxone 2%, toluene 3%, cyclohexanone 2%, 600# phosphate 2%, ethylene glycol 1%, gum Arabic 0.4%, silicone oil 0.2%, water is mended to 100%, obtained 90% florasulam-azoles humulone-methoxone aqueous emulsion.Wherein methoxone exists with sodium-salt form.
Embodiment 1187% florasulam-azoles humulone-methoxone microemulsion
Florasulam 81%, azoles humulone 1%, methoxone 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%, obtained 87% florasulam-azoles humulone-methoxone microemulsion.Wherein methoxone exists with butyl ester form.
Embodiment 1285% florasulam-azoles humulone-methoxone suspension emulsion
Florasulam 80.5%, azoles humulone 4%, methoxone 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, i.e. obtained 85% florasulam-azoles humulone-methoxone suspension emulsion.Wherein methoxone exists with sodium-salt form.
Embodiment 13
1, toxicity determination test
Test objective: florasulam, azoles humulone, methoxone and different blended combo thereof close the herbicidal effect to lolium temulentum under greenhouse pot culture condition, and have rated its synergy.
Test method: survey object as raw using lolium temulentum, select and do not use weed killer herbicide, pH6.8 soil, after air-dry for soil sieving, load in the polypots of high 6cm, diameter 9cm, 20 seeds sowed by every basin, be placed in greenhouse and cultivate after the fine earth that lid 0.5 ~ 1cm is thick, 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, often processes repetition 4 times, and sets the process not containing medicament as contrasting.After process, examination material is placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation after 20d, and claims acrial part fresh weight or strain fresh weight, evaluates medicament to the toxicity action of target weeds with target fresh weight inhibition.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 often processes 4 times and repeats, often repeat 20 strains, if be not 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 is according to following formulae discovery:
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 according to following formulae discovery:
E
0=X × Y × Z/100
2; In formula, X is florasulam weeds weight under certain dosage is the percentage contrasting weeds weight; Y is azoles humulone weeds weight under certain dosage is the percentage contrasting weeds weight; Z is methoxone weeds weight under certain dosage is the percentage contrasting weeds weight.
Work as E
0synergistic effect is expressed as, as-10% < E during-E>=10%
0be expressed as summation action during-E < 10%, work as E
0antagonism is expressed as during-E≤-10%.
The results are shown in Table 1.
Table 1 florasulam, azoles humulone and 2-methyl-4-chloropheacidacetic acidacetic herbicide are to the Toxicity Determination of lolium temulentum
Evaluating drug effect: florasulam, azoles humulone, methoxone and mixture composition thereof are to the herbicidal effect measurement result of lolium temulentum in table 1, and florasulam, azoles humulone and methoxone ternary recompounded composite all show as synergistic effect to lolium temulentum.
2, field control effectiveness test
Reagent agent: 6 kinds of ternary built weed killer herbicides in embodiment 1 ~ 6.
Contrast medicament: 50g/L florasulam suspending agent (commercially available), 40% azoles humulone water dispersible granules (commercially available), 13% mcpa sodium aqua (commercially available).
Control crop: paddy rice.
Prevent and kill off object: grassy weed, broad leaved weed and the sedge weeds such as lolium temulentum, amur foxtail, wartwort, difformed galingale herb, barnyard grass, clearvers, short arrowhead, moleplant seed.
Test method: according to the area of experimental plot, the good various medicament of precise, and after being watered dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head that sprinkler selection weed killer herbicide is special.During spraying, liquid be noted evenly to spray application in experimental plot, accomplish the phenomenon not having drain spray, many sprays.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicament.In addition, after medicine, the growing state of crop also in 1 ~ 15d, to be observed, whether have poisoning to investigate medicament to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect sees the following form 20d after 2(medicine) and table 3(medicine after 40d)
Table 2 field control effectiveness test result (after medicine 20d)
Table 3 field control effectiveness test result (after medicine 40d)
Table 4 medicament is to the security survey result of crop
Can find out that the present invention improves overall preventive effect by three kinds of pesticide activity component conbined usage from table 2, table 3, drug effect plays also than comparatively fast, the herbicide of mixed herbicide of the present invention is composed further expand, achieve significant synergy preventing and kill off in grassy weed, broad leaved weed and sedge weed.Mixed herbicide medication of the present invention simultaneously is obviously better than the control efficiency that three kinds of agricultural chemicals are used alone with drug effect after 40 days after 10 days.It is more lasting that this shows that mixed herbicide of the present invention not only acts on, and not easily make weeds especially malignant weed develop immunity to drugs.
As can be seen from Table 4, the paddy rice in 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, is short, to succession crop safety.
Claims (6)
1. one kind contains florasulam, the mixed herbicide of azoles humulone and methoxone, it is characterized in that this weed killer herbicide is with florasulam, azoles humulone and methoxone are active ingredient, described florasulam, the mass ratio of azoles humulone and methoxone is 80:1:1, 80:1:4, 80:1:8, 80:5:1, 80:5:4, 80:5:8, 80:10:1, 80:10:4, 80:10:8, 85:1:1, 85:1:4, 85:1:8, 85:5:1, 85:5:4, 85:5:8, 85:10:1, 85:10:4, 85:10:8, 90:1:1, 90:1:4, 90:1:8, 90:5:1, 90:5:4, 90:5:8, 90:10:1, 90:10:4, 90:10:8.
2. mixed herbicide according to claim 1, is characterized in that described mixed herbicide, with florasulam, azoles humulone and methoxone for the auxiliary agent that active ingredient and agricultural chemicals allow is mixed with any one formulation.
3. mixed herbicide according to claim 2, is characterized in that described formulation is wetting powder, water dispersion granule, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, missible oil.
4. the application of mixed herbicide according to claim 1 in the postemergence weed control of paddy rice.
5. mixed herbicide according to claim 1 is preventing and kill off the application in paddy field grassy weed, broad leaved weed and sedge weed.
6. mixed herbicide according to claim 1 is preventing and kill off the application in paddy field lolium temulentum, amur foxtail, wartwort, difformed galingale herb, barnyard grass, clearvers, short arrowhead, moleplant seed.
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|---|---|---|---|---|
| WO2003009686A1 (en) * | 2001-07-24 | 2003-02-06 | Syngenta Participations Ag | Herbicidal composition |
| CN102017973A (en) * | 2010-12-30 | 2011-04-20 | 苏州富美实植物保护剂有限公司 | Weeding composition for wheat field |
| CN103125505A (en) * | 2013-03-16 | 2013-06-05 | 陕西上格之路生物科学有限公司 | Dispersible oil suspending agent containing florasulam and MCPA-isooctyl |
| CN103444728A (en) * | 2013-08-01 | 2013-12-18 | 广东中迅农科股份有限公司 | Composition containing florasulam and phenoxy carboxylic acid herbicide |
| CN103518771A (en) * | 2013-10-18 | 2014-01-22 | 广西三晶化工科技有限公司 | Herbicide composition containing glyphosate, MCPA (2-methyl-4-chloro-phenoxyacetic acid) and carfentrazone-ethyl |
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|---|---|
| CN103783051A (en) | 2014-05-14 |
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