CN104068024B - A kind of herbicidal composition and application thereof - Google Patents
A kind of herbicidal composition and application thereof Download PDFInfo
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- CN104068024B CN104068024B CN201410293609.2A CN201410293609A CN104068024B CN 104068024 B CN104068024 B CN 104068024B CN 201410293609 A CN201410293609 A CN 201410293609A CN 104068024 B CN104068024 B CN 104068024B
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Abstract
The invention provides a kind of herbicidal composition, described herbicidal composition contains metazachlor, quinmerac and picloram and/or its salt as active component.Present invention also offers the application of described herbicidal composition in the annual and perennial grassy weed of control and broad leaved weed.The present invention is by having the metazachlor of different structure types and mechanism of action, quinmerac and picloram and/or the composite use of its salt, improve the preventive effect of these three kinds of components to annual and perennial grassy weed and broad leaved weed to a greater degree, expand herbicide spectrum when these three kinds of components use as single component simultaneously.
Description
Technical field
The present invention relates to a kind of herbicidal composition and application thereof.
Background technology
Metazachlor is before a seedling or the weed killer herbicide of early application after seedling, mainly through hindering the synthesis of protein and the growth of T suppression cell, namely by weeds young shoot and root absorption, suppressing the synthesis of weeds body internal protein, stoping its further growth.Metazachlor is the chloracetophenone amine weed killer herbicide developed by BASF Aktiengesellschaft, effectively can prevent and kill off annual gramineous weed and part broad leaved weed.
Quinmerac is before seedling or the hormone herbicide that uses after seedling, can be absorbed by the root of plant and leaf, then to the top of plant and base portion transfer.Quinmerac is the quinoline carboxylic acid weed killer herbicide developed by BASF AG, is applicable to cereal crop, rape and beet, prevents and kill off clearvers, Veronica and other weeds, and wherein umbellate form section crop is very responsive to it.
Picloram belongs to hormone herbicide.Picloram and its esters can be absorbed by plant leaf blade, root and stem, can fast to growing point conduction, and cause plant top deformity, withered, disleave, necrosis, xylem vessel's blocking variable color, finally causes Plant death.The mechanism of action of picloram suppresses mitochondria system respiration and metabolism of nucleic acid.Most of gramineous plants is resistance to picloram, and most of dicotyledonous crops (except Cruciferae), weeds, shrub are responsive to it.Picloram is comparatively stable in soil, and half life period 1-12 month, hot and humid decay was fast.
Summary of the invention
The object of this invention is to provide a kind of broad weed-killing spectrum, to the herbicidal composition of control of weeds Be very effective and application thereof.
The present inventor is surprised to find that in research process, to there is the metazachlor of different structure types and mechanism of action, quinmerac and picloram and/or the composite use of its salt, the property of medicine is not only there will not be to offset or other side effects, on the contrary also there is obvious synergistic effect, the preventive effect of these three kinds of components to annual and perennial grassy weed and broad leaved weed can be improved to a greater degree, expand herbicide spectrum when these three kinds of components use as single component simultaneously.
An object of the present invention is to provide a kind of herbicidal composition, wherein, described herbicidal composition contains metazachlor, quinmerac and picloram and/or its salt as active component.
Another object of the present invention is to provide the application of said herbicidal composition in the annual and perennial grassy weed of control and broad leaved weed.
Particularly, herbicidal composition provided by the invention, has the following advantages:
Herbicidal composition provided by the invention shows fabulous synergistic effect, and mixed composition comparatively its single dose significantly improves herbicidal effect, reduces the using dosage of agricultural chemicals, thus reduces the drug cost of peasant and the influence degree to environment.
Herbicidal composition provided by the invention expands the herbicide spectrum of weed killer herbicide, use herbicidal composition provided by the invention can prevent and treat multiple weeds simultaneously, efficiently easy to use, all there is good control efficiency to annual and perennial grassy weed and broad leaved weed.
Herbicidal composition provided by the invention is the compounded combination of the weed killer herbicide with the different mechanism of action, makes the weeding characteristic of the weed killer herbicide of each composition well be had complementary advantages like this, effectively can delay weeds to the generation of single dose resistance and progress.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of herbicidal composition, wherein, described herbicidal composition contains metazachlor, quinmerac and picloram and/or its salt as active component.
Present invention also offers the application of said herbicidal composition in the annual and perennial grassy weed of control and broad leaved weed.
According to the present invention, the chemical name of described metazachlor be the chloro-N-of 2-(pyrazol-1-yl methyl)-acetyl-2 ', 6 '-dimethylaniline, its molecular formula is C
14h
16clN
3o, relative molecular weight is 277.8, and structure is such as formula shown in (I).
The chemical name of described quinmerac is the chloro-3-methylquinoline of 7--8-carboxylic acid, and its molecular formula is C
11h
8clN
0o
2, relative molecular weight is 221.6, and structure is such as formula shown in (II).
The chemical name of described picloram is 4-amino-3,5,6-trichloropyridine carboxylic acid, and its molecular formula is C
6h
3cl
3n
2o
2, relative molecular weight is 241.5, and structure is such as formula shown in (III).
Especially, described picloram salt can be organic salt and/or the mineral salt of picloram.Wherein, described picloram organic salt includes but not limited to picloram ethanolamine salt, picloram triisopropanolamine salt, picloram triethylamine salt and picloram dimethylamine salt.Described picloram mineral salt include but not limited to picloram sylvite, picloram sodium salt and picloram ammonium salt.
According to the present invention, in described herbicidal composition, with the gross weight of described herbicidal composition for benchmark, the content of described active component is generally 0.1-95 % by weight, is preferably 5-60 % by weight.During concrete use, content value in above-mentioned scope of concrete active component, and amount of application, a kind of component and the another ratio of two kinds of components when taking into full account that often kind of component is used alone and the degree of synergistic effect.
According to the present invention, only metazachlor, quinmerac and picloram and/or the composite use of its salt can need be realized object of the present invention.Under preferable case, in described active component, the ratio of weight and number of metazachlor, quinmerac and picloram and/or its salt is 1: (0.05-30): (0.05-20), to obtain better composite effect, more preferably 1: (0.2-15): (0.2-10).
According to herbicidal composition of the present invention, under preferable case, in addition to the active ingredient (s, described herbicidal composition is also containing at least two kinds of carriers, and wherein at least one carrier is surfactant.In described herbicidal composition, the content of described surfactant can be 1-40 % by weight, is preferably 5-30 % by weight.Another kind of carrier except surfactant is this area common carrier, and the carrier being generally used for preparing weed killer herbicide medicine all can use, and specifically depends on the target formulation of weed killer herbicide.Described another kind of carrier can be solid or liquid, such as can in order to be selected from, white carbon, kaolin, diatomite, bentonite, precipitated calcium carbonate, gypsum, attapulgite, soluble starch, urea, amine are fertile, in the mixture of urea and amine fertilizer, glucose, maltose, sucrose, citric acid, Anhydrous potassium carbonate, natrium carbonicum calcinatum, Carbon Dioxide hydrogen potassium, anhydrous sodium bicarbonate, anhydrous sodium sulfate, Anhydrous potassium carbonate and the mixture of Carbon Dioxide hydrogen potassium and the mixture of natrium carbonicum calcinatum and anhydrous sodium bicarbonate any one or multiple.
Under preferable case, described surfactant be selected from emulsifier, dispersant and wetting agent one or more.
According to the present invention, the various emulsifier that described emulsifier can be commonly used for this area.Described emulsifier such as can for being selected from polyoxyethylene nonylphenol ether, phenethyl phenol polyethenoxy ether, the multiple phenol polyethenoxy ether of Diphenethyl, ethoxylated dodecyl alcohol, octadecane alcohol radical APEO, diglycerol polypropylene glycol ether, glycerin polyoxyethylene ether polyoxypropylene ether fatty acid ester, ethoxy castor oil APEO, alkylphenol polyoxyethylene sulfosuccinates, polyoxyethylene fatty acid fat, PMA, Polyoxyethylene fatty ammonia, ethoxy castor oil, alkyl-diethylene glycol ether-sodium sulfonate, fatty acid polyethylene glycol ester, fast penetration enhancer T, in oleic acid PEG400 ester and fatty alcohol-polyoxyethylene ether any one or multiple.
According to the present invention, the various dispersants that described dispersant can be commonly used for this area.Described dispersant such as can for be selected from alkyl amide taurate, sodium lignin sulfonate, calcium lignosulfonate, polyvinylpyrrolidone, sodium metnylene bis-naphthalene sulfonate, Sodium Polyacrylate, sodium methylene bis-naphthalene sulfonate, dispersing agent MF, the sodium salt of alkyl naphthalene sulfonic acid condensation polymer and sodium methylene bis-naphthalene sulfonate formaldehyde condensation products any one or multiple.
According to the present invention, the various wetting agents that described wetting agent can be commonly used for this area.Described wetting agent such as can for be selected from Negel, lauryl sodium sulfate, alkyl naphthalene formaldehyde condensation product, Teepol, neopelex, fatty alcohol polyglycol ether sulphate, fatty alcohol-polyoxyethylene ether, sorbitan fatty acid ester APEO, alkylnaphthalene sulfonate and anion wetting agent any one or multiple.
Under preferable case, in herbicidal composition of the present invention, pesticidal preparations used additives can also be contained.The various auxiliary agents that described auxiliary agent can be commonly used for this area.Described auxiliary agent such as can for be selected from solvent, thickener, antifreezing agent and defoamer any one or multiple.In described herbicidal composition, the content of described auxiliary agent can be 1-70 % by weight, is preferably 5-50 % by weight.
According to the present invention, the various solvents that described solvent can be commonly used for this area.Described solvent such as can for being selected from water, 1-METHYLPYRROLIDONE, N, in dinethylformamide, tributyl phosphate, tetrahydrofurfuryl alcohol, toluene, dimethylbenzene, dimethyl sulfoxide (DMSO), oxolane, Isosorbide-5-Nitrae-dioxane, cyclohexanol, cyclohexanone, epoxidized soybean oil, plant soybean oil, liquid wax, lubricating oil, No. 100, solvent naphtha, No. 150, solvent naphtha, No. 180, solvent naphtha and No. 200, solvent naphtha any one or multiple.
According to the present invention, the various thickeners that described thickener can be commonly used for this area.Described thickener such as can for be selected from xanthans, polyvinyl alcohol, sodium alginate, diatomite, starch, kaolin and organobentonite any one or multiple.
According to the present invention, described antifreezing agent can be the various antifreezing agents that this area is commonly used.Described antifreezing agent such as can for be selected from propane diols, ethylene glycol, glycerine and urea any one or multiple.
According to the present invention, the various defoamers that described defoamer can be commonly used for this area.Described defoamer can be such as tributyl phosphate and/or silicone.
According to the present invention, described herbicidal composition can make the conventional various formulations in this area.Described formulation can be such as missible oil, aqueous emulsion, aqueous suspension agent, oil-suspending agent, wetting powder, soluble powder, water dispersion granule or soluble granula.The composition of above-mentioned various formulation and preparation method all can refer to the customary preparation methods preparation of this area.
Such as, described missible oil percentage can be: active component 0.1-95%, surfactant 1-30%, solvent complement to 100%.Described solvent can be aromatic hydrocarbon solvent and/or alcohols solvent.The preparation method of described missible oil can be: active component, surfactant and solvent are dissolved, make its uniformly oil phase.
Described aqueous emulsion percentage can be: active component 0.1-95%, emulsifier 1-30%, thickener 0.1-5%, antifreezing agent 1-20%, solvent 1-30%, water complement to 100%.Described solvent can be aromatic hydrocarbon solvent and/or alcohols solvent.The preparation method of described aqueous emulsion can be: active component, emulsifier and solvent are dissolved, become homogeneous oil phase; Water, antifreezing agent and thickener are mixed, makes its uniformly aqueous phase, under high velocity agitation, aqueous phase is joined oil phase or oil phase is joined aqueous phase, form the aqueous emulsion of favorable dispersibility.
Described aqueous suspension agent percentage can be: active component 0.1-95%, dispersant 1-30%, wetting agent 1-30%, antifreezing agent 1-20%, thickener 0.1-5%, defoamer 0.1-5%, emulsifier 1-30%, water complements to 100%.The preparation method of described aqueous suspension agent can be: take water as medium, active component, surfactant, thickener, defoamer, antifreezing agent etc. are added porphyrize in sand milling still, makes aqueous suspension agent.
Described oil-suspending agent percentage can be: active component 0.1-95%, dispersant 1-30%, wetting agent 0.1-30%, thickener 0.1-10%, defoamer 0.1-5%, emulsifier 1-30%, oil complements to 100%.The preparation method of described oil-suspending agent can be: take oil as medium, active component, surfactant, thickener and defoamer etc. are added porphyrize in sand milling still, makes oil-suspending agent.
Described wetting powder, soluble powder, water dispersible granules, soluble granula percentage can be: active component 0.1-95%, wetting agent 1-20%, dispersant 1-20%, other carriers complement to 100%.The preparation method of described soluble powder or wetting powder can be: by the fully mixing such as each active component, surfactant and other carriers, after ultra-fine pulverizer disintegrating.The preparation method of described water dispersible granules or soluble granula can be: by co-grindings such as each active component, surfactant and other carriers, then spray-dried or fluidized drying; Or after co-grinding, then the kneading that adds water, then adds in comminutor and carry out granulation, and then drying, to sieve.
According to the present invention, except above-mentioned formulation, herbicidal composition of the present invention can also be the formulation that other this areas are commonly used.Described formulation can be such as liquor, aqua, emulsifiable concentrate, microemulsion, suspension emulsion or microcapsule formulations.Described formulation all can be prepared by the conventional method of this area.
Herbicidal composition of the present invention is applicable to prevent and treat annual and perennial grassy weed and broad leaved weed.Herbicidal composition of the present invention is particularly useful for Rapeseed Field, Sugarbeet Fields, Soybean Field, wheat paddock, paddy field or pea field, is best suited for Rapeseed Field.The described control to weeds comprises the suppression to each stage in the above-mentioned weed growth cycle, has both comprised the suppression before to weeds rudiment and has namely suppressed weeds rudiment, also comprises the suppression after to weeds rudiment namely to the removal of the weeds grown.
Herbicidal composition provided by the invention can provide with finished product preparation form, and namely in composition, each material mixes; Also can provide with independent dosage form, mix voluntarily in bucket or tank before using, i.e. the usual concentration concentrate of active component each in the present invention and water being mixed to get required active substance.Usually be 80-1200g/hm with active component content
2concentration use.
According to the present invention, the concrete application process of described herbicidal composition is generally before weed germination or after sprouting, herbicidal composition of the present invention is used in the place to crop and plant growth according to a conventional method.Described application process such as can for mixing soil, spraying, injection or cast etc., and application process is simple.Herbicidal composition of the present invention preferably grows to the 2-5 leaf phase grassy weed, broad leaved weed 4-6 used during the leaf phase.The amount of application of herbicidal composition provided by the invention is fixed with weather condition or crop condition, is 80-1200g/hm usually with active component content
2concentration use, be preferably 100-300g/hm
2concentration use.The amount of application of herbicidal composition provided by the invention is also relevant with extraneous factor such as weather.The amount of application of herbicidal composition provided by the invention can slow down climatic influences by using suitable formulation.
Herbicidal composition provided by the invention can have weeding with other, the compound of desinsection or bactericidal property uses.Herbicidal composition provided by the invention is preferably used in combination with cauline leaf processing-type weed killer herbicide.Herbicidal composition provided by the invention also can be used in combination with nematocide, protective agent, growth regulator, nutrient for plants or soil conditioner etc.
Below by way of specific embodiment, the present invention will be described in detail, but the present invention is not limited to this.
In following examples, if no special instructions, the percentage composition of material is weight percentage.Various material all can be buied from commercial channels.
Embodiment 1: containing the missible oil of 0.1% active component
Mend metazachlor 0.4g, quinmerac 0.4g, picloram 0.2g, polyoxyethylene nonylphenol ether (7) 50g, fatty alcohol-polyoxyethylene ether 50g, No. 100, solvent naphtha to 1kg, mixed dissolution is oil phase uniformly.
Embodiment 2: containing the missible oil of 30% active component
Mend metazachlor 150g, quinmerac 100g, picloram 50g, aliphatic amine polyoxyethylene ether 40g, laurate APEO 40g, dimethylbenzene to 1kg, mixed dissolution is oil phase uniformly.
Embodiment 3: containing the missible oil of 50% active component
Mend metazachlor 250g, quinmerac 150, picloram 100g, calcium dodecyl benzene sulfonate 50g, fatty alcohol-polyoxyethylene ether (20) 50g, single oleamide polyoxyethylene groups disodium sulfosuccinate 50g, oleic acid 10g, No. 200, solvent naphtha to 1kg, mixed dissolution is oil phase uniformly.
Embodiment 4: containing the missible oil of 80% active component
Metazachlor 150g, quinmerac 210g, picloram 440g, calcium dodecyl benzene sulfonate 30g, emulsifier 0203B40g, 1-METHYLPYRROLIDONE are mended to 1kg, and mixed dissolution is oil phase uniformly.
Embodiment 5: containing the aqueous emulsion of 0.4% active component
Metazachlor 0.5g, quinmerac 1.5g, picloram 2g, cyclohexanone 50g, fatty alcohol-polyoxyethylene ether (5) 20g, calcium dodecyl benzene sulfonate 30g, glycerine 80g, kaolin 30g, water complement to 1kg.
Preparation method: by metazachlor, quinmerac, picloram, cyclohexanone, fatty alcohol-polyoxyethylene ether (5) and calcium dodecyl benzene sulfonate mixed dissolution, become homogeneous oil phase; By water, glycerine, kaolin mixed dissolution, become homogeneous aqueous phase; Under high velocity agitation, aqueous phase is joined oil phase, form the aqueous emulsion of favorable dispersibility.
Embodiment 6: containing the aqueous emulsion of 0.4% active component
Metazachlor 2g, quinmerac 1.5g, picloram 0.5g, 1-METHYLPYRROLIDONE 30g, polyvinyl alcohol 20g, sorbitan fatty acid ester polyoxyethylene ether 40g, phenethyl phenol polyethenoxy polyethenoxy ether 60g, ethylene glycol 50g, sodium alginate 10g, water complement to 1kg.
Preparation method: by metazachlor, quinmerac, picloram, 1-METHYLPYRROLIDONE, polyvinyl alcohol, sorbitan fatty acid ester polyoxyethylene ether and phenethyl phenol polyethenoxy polyethenoxy ether mixed dissolution, become homogeneous oil phase; By water, ethylene glycol, sodium alginate mixed dissolution, become homogeneous aqueous phase; Under high velocity agitation, aqueous phase is joined oil phase, form the aqueous emulsion of favorable dispersibility.
Embodiment 7: containing the aqueous emulsion of 10% active component
Metazachlor 50g, quinmerac 30g, picloram triethanolamine salt 20g, tributyl phosphate 100g, neopelex 50g, castor oil polyoxyethylene ether 50g, xanthans 3g, urea 50g, water complement to 1kg.
Preparation method: by metazachlor, quinmerac, picloram triethanolamine salt, tributyl phosphate, neopelex and castor oil polyoxyethylene ether mixed dissolution, become homogeneous oil phase; By water, xanthans, urea mixed dissolution, become homogeneous aqueous phase; Under high velocity agitation, aqueous phase is joined oil phase, form the aqueous emulsion of favorable dispersibility.
Embodiment 8: containing the aqueous emulsion of 70% active component
Metazachlor 350g, quinmerac 210g, picloram sylvite 140g, 1-METHYLPYRROLIDONE 50g, PMA 30g, alkyl-diethylene glycol ether-sodium sulfonate 35g, calcium dodecyl benzene sulfonate 20g, sodium alginate 10g, ethylene glycol 40g, water complement to 1kg.
Preparation method: by metazachlor, quinmerac, picloram sylvite, 1-METHYLPYRROLIDONE, PMA, alkyl-diethylene glycol ether-sodium sulfonate and calcium dodecyl benzene sulfonate mixed dissolution, become homogeneous oil phase; By water, ethylene glycol, sodium alginate mixed dissolution, become homogeneous aqueous phase; Under high velocity agitation, oil phase is joined aqueous phase, form the aqueous emulsion of favorable dispersibility.
Embodiment 9: containing the aqueous emulsion of 70% active component
Metazachlor 140g, quinmerac 210g, picloram 350g, DMF 50g, alkylphenol polyoxyethylene formaldehyde condensation products sodium sulphate 50g, sorbitan fatty acid ester 30g, agriculture breast 160130g, propane diols 50g, xanthans 50g, water complement to 1kg.
Preparation method: by metazachlor, quinmerac, picloram, DMF, alkylphenol polyoxyethylene formaldehyde condensation products sodium sulphate, sorbitan fatty acid ester and agriculture breast 1601 mixed dissolutions, become homogeneous oil phase; By water, propane diols, xanthans mixed dissolution, become homogeneous aqueous phase; Under high velocity agitation, oil phase is joined aqueous phase, form the aqueous emulsion of favorable dispersibility.
Embodiment 10: containing the aqueous suspension agent of 1.0% active component
Metazachlor 2g, quinmerac 2g, picloram triethanolamine salt 6g, fatty alcohol-polyoxyethylene ether 50g, diatomite 30g, glycerine 40g, tributyl phosphate 20g, water complement to 1kg.
Preparation method: take water as medium, metazachlor, quinmerac, picloram triethanolamine salt, fatty alcohol-polyoxyethylene ether, diatomite, glycerine, tributyl phosphate are added porphyrize in sand milling still, makes aqueous suspension agent.
Embodiment 11: containing the aqueous suspension agent of 20% active component
Metazachlor 25g, quinmerac 75g, picloram 100g, styrylphenol polyoxyethylene ether 50g, kaolin 12g, lauryl sodium sulfate 10g, glycerine 80g, silicone 50g, water complement to 1kg.
Preparation method: take water as medium, metazachlor, quinmerac, picloram, styrylphenol polyoxyethylene ether, kaolin, lauryl sodium sulfate, glycerine, silicone are added porphyrize in sand milling still, makes aqueous suspension agent.
Embodiment 12: containing the aqueous suspension agent of 20% active component
Metazachlor 100g, quinmerac 75g, picloram 25g, sodium lignin sulfonate 50g, lauryl sodium sulfate 10g, starch 20g, ethylene glycol 60g, silicone 50g, water complement to 1kg.
Preparation method: take water as medium, metazachlor, quinmerac, picloram, sodium lignin sulfonate, lauryl sodium sulfate, starch, ethylene glycol, silicone are added porphyrize in sand milling still, makes aqueous suspension agent.
Embodiment 13: containing the aqueous suspension agent of 65% active component
Metazachlor 400g, quinmerac 150g, picloram 100g, sorbitan fatty acid ester polyoxyethylene ether 30g, lauryl sodium sulfate 10g, butyl oleate 50g, ethylene glycol 50g, xanthans 3g, tributyl phosphate 40g, water complement to 1kg.
Preparation method: take water as medium, metazachlor, quinmerac, picloram, sorbitan fatty acid ester polyoxyethylene ether, lauryl sodium sulfate, butyl oleate, ethylene glycol, xanthans, tributyl phosphate are added porphyrize in sand milling still, makes aqueous suspension agent.
Embodiment 14: containing the oil-suspending agent of 0.55% active component
Metazachlor 1g, quinmerac 1.5g, picloram 3g, organobentonite 100g, butyl oleate 50g, tributyl phosphate 50g, plant soybean oil subsidy are to 1kg.
Preparation method: with plant soybean oil for medium, adds porphyrize in sand milling still by metazachlor, quinmerac, picloram, organobentonite, butyl oleate, tributyl phosphate, makes oil-suspending agent.
Embodiment 15: containing the oil-suspending agent of 0.55% active component
Metazachlor 3g, quinmerac 1.5g, picloram 1g, fatty alcohol-polyoxyethylene ether 100g, polyoxyethylene nonylphenol ether 50g, organobentonite 30g, tributyl phosphate 40g, epoxy soybean oil subsidy are to 1kg.
Preparation method: take epoxidized soybean oil as medium, metazachlor, quinmerac, picloram, fatty alcohol-polyoxyethylene ether, polyoxyethylene nonylphenol ether, organobentonite, tributyl phosphate are added porphyrize in sand milling still, makes oil-suspending agent.
Embodiment 16: containing the oil-suspending agent of 10% active component
Metazachlor 20g, quinmerac 30g, picloram 50g, 1,2-dicarboxylic acids ethyl-N-alkyl sulfosuccinates acid amides four sodium 90g, butyl oleate 50g, organobentonite 10g, silicone 20g, paraffin oil subsidy are to 1kg.
Preparation method: take paraffin oil as medium, adds porphyrize in sand milling still by metazachlor, quinmerac, picloram, 1,2-dicarboxylic acids ethyl-N-alkyl sulfosuccinates acid amides four sodium, butyl oleate, silicone, organobentonite, makes oil-suspending agent.
Embodiment 17: containing the oil-suspending agent of 20% active component
Metazachlor 70g, quinmerac 70g, picloram 60g, fatty alcohol-polyoxyethylene ether 100g, polyoxyethylene nonylphenol ether (7) 50g, attapulgite 30g, silicone 20g, epoxy soybean oil subsidy are to 1kg.
Preparation method: take epoxidized soybean oil as medium, adds porphyrize in sand milling still by metazachlor, quinmerac, picloram, fatty alcohol-polyoxyethylene ether, polyoxyethylene nonylphenol ether (7), attapulgite, silicone, makes oil-suspending agent.
Embodiment 18: containing the oil-suspending agent of 50% active component
Metazachlor 100g, quinmerac 150g, picloram 250g, polyoxyethylene sorbitan list isostearate 100g, castor oil polyoxyethylene ether (20) 50g, alkylphenol polyoxyethylene 50g, white carbon 50g, tributyl phosphate 20g, No. 180, solvent naphtha are mended to 1kg.
Preparation method: with No. 180, solvent naphtha for medium, metazachlor, quinmerac, picloram, polyoxyethylene sorbitan list isostearate, castor oil polyoxyethylene ether (20), alkylphenol polyoxyethylene, white carbon, tributyl phosphate are added porphyrize in sand milling still, makes oil-suspending agent.
Embodiment 19: containing the wetting powder of 80% active component
Metazachlor 300g, quinmerac 300g, picloram sodium salt 200g, lauryl sodium sulfate 20g, soluble starch are complemented to 1kg, fully mixes, after ultra-fine pulverizer disintegrating, namely obtain the wetting powder containing 95% active component.
Embodiment 20: containing the wetting powder of 95% active component
Metazachlor 500g, quinmerac 300g, picloram sylvite 150g, sodium lignin sulfonate 10g, urea are complemented to 1kg, fully mixes, after ultra-fine pulverizer disintegrating, namely obtain the wetting powder containing 95% active component.
Embodiment 21: containing the wetting powder of 3.6% active component
Metazachlor 6g, quinmerac 12g, picloram 18g, styryl phenyl APEO 50g, bentonite 50g, attapulgite are complemented to 1kg, fully mixes, after ultra-fine pulverizer disintegrating, namely obtain the wetting powder containing 3.6% active component.
Embodiment 22: containing the wetting powder of 18% active component
Metazachlor 100g, quinmerac 60g, picloram dimethylamine salt 20g, N-methyl-N-long-chain fatty acid taurate 20g, starch 20g, precipitated calcium carbonate are complemented to 1kg; abundant mixing; after ultra-fine pulverizer disintegrating, namely obtain the wetting powder containing 18% active component.
Embodiment 23: containing the wetting powder of 52% active component
Metazachlor 100g, quinmerac 150g, picloram 270g, alkyl phosphate triethanolamine salt 50g, sodium lignin sulfonate 50g, talcum powder are complemented to 1kg, fully mixes, after ultra-fine pulverizer disintegrating, namely obtain the wetting powder containing 52% active component.
Embodiment 24: containing the water-dispersible granules of 95% active component
Metazachlor 590g, quinmerac 260g, picloram 100g, alkylphenol polyoxyethylene succinate monoester sulfonate 20g, lauryl sodium sulfate 10g, kaolin complement to 1kg, namely obtain water dispersible granules after co-grinding through fluidized drying.
Embodiment 25: containing the water-dispersible granules of 95% active component
Metazachlor 100g, quinmerac 260g, picloram 590g, aliphatic alcohol polyoxyethylene sulfonate 10g, alkylnaphthalene sulfonate 10g, polyvinylpyrrolidone complement to 1kg, co-grinding, spray-driedly namely obtain water dispersible granules.
Embodiment 26: containing the water-dispersible granules of 0.6% active component
Metazachlor 1g, quinmerac 1.5g, picloram 3.5g, dialkyl group succinic acid sulfonate 30g, sodium lignin sulfonate 20g, gypsum complement to 1kg; co-grinding; add water again after mediating, add in comminutor and carry out granulation, and then namely drying, screening obtain water dispersible granules.
Embodiment 27: containing the water-dispersible granules of 57.25% active component
Metazachlor 120g, quinmerac 180g, picloram 272.5g, naphthalene sulfonic acids-phenol sulfonic acid-formaldehyde condensation product 20g, ammonium sulfate 30g, urea complement to 1kg; co-grinding; add water again after mediating, add in comminutor and carry out granulation, and then namely drying, screening obtain water dispersible granules.
Comparative example 1:20% metazachlor aqueous suspension agent
Metazachlor 200g, styrylphenol polyoxyethylene ether 50g, kaolin 12g, lauryl sodium sulfate 10g, ethylene glycol 80g, silicone 50g, water complement to 1kg.
Preparation method: take water as medium, metazachlor, styrylphenol polyoxyethylene ether, kaolin, lauryl sodium sulfate, ethylene glycol, silicone are added porphyrize in sand milling still, makes aqueous suspension agent.
Comparative example 2:20% quinmerac aqueous suspension agent
Quinmerac 200g, castor oil polyoxyethylene ether (40) 50g, white carbon 15g, lauryl sodium sulfate 20g, urea element 40g, silicone 50g, water complement to 1kg.
Preparation method: take water as medium, adds porphyrize in sand milling still by metazachlor, castor oil polyoxyethylene ether (40), white carbon, lauryl sodium sulfate, urea element, silicone, makes aqueous suspension agent.
Comparative example 3:20% picloram aqueous suspension agent
Picloram 200g, polyoxyethylene nonylphenol ether 20g, naphthalene sulfonic acids-phenol sulfonic acid-formaldehyde condensation product 50g, urea element 40g, silicone 50g, water are complemented to 1kg.
Preparation method: take water as medium, adds porphyrize in sand milling still by picloram, polyoxyethylene nonylphenol ether, naphthalene sulfonic acids-phenol sulfonic acid-formaldehyde condensation product, urea element, silicone, makes aqueous suspension agent.
The aqueous suspension agent of comparative example 4:20% active component
Metazachlor 200g, quinmerac 200g, lauryl sodium sulfate 20g, fatty alcohol-polyoxyethylene ether 60g, white carbon 60g, glycerine 40g, tributyl phosphate 50g, water are complemented to 1kg.
Preparation method: take water as medium, metazachlor, quinmerac, fatty alcohol-polyoxyethylene ether, white carbon, glycerine, tributyl phosphate are added porphyrize in sand milling still, makes aqueous suspension agent.
The aqueous suspension agent of comparative example 5:20% active component
Metazachlor 200g, picloram 200g, ten disulfobenzene sulfoacid calcium 50g, fatty alcohol-polyoxyethylene ether 50g, soluble starch 30g, glycerine 50g, tributyl phosphate 50g, water are complemented to 1kg.
Preparation method: take water as medium, adds porphyrize in sand milling still by metazachlor, picloram, ten disulfobenzene sulfoacid calcium, fatty alcohol-polyoxyethylene ether, soluble starch, glycerine, tributyl phosphate, makes aqueous suspension agent.
The aqueous suspension agent of comparative example 6:20% active component
Quinmerac 200g, picloram 200g, castor oil polyoxyethylene ether (20) 80g, fatty alcohol-polyoxyethylene ether 50g, diatomite 60g, ethylene glycol 50g, tributyl phosphate 50g, water are complemented to 1kg.
Preparation method: take water as medium, adds porphyrize in sand milling still by quinmerac, picloram, castor oil polyoxyethylene ether (20), fatty alcohol-polyoxyethylene ether, diatomite, ethylene glycol, tributyl phosphate, makes aqueous suspension agent.
Inspection example: herbicidal composition of the present invention is to the preventive effect of annual and perennial grassy weed and broad leaved weed
The composition adopting method for potted to measure herbicidal composition of the present invention and metazachlor, quinmerac and picloram and/or its salt three kinds of single doses or any two kinds in greenhouse is to the preventive effect of annual and perennial grassy weed and broad leaved weed.
The method of inspection: adopt greenhouse pot culture method, weed seed is sowed in Disposable paper cup, thinning is carried out during the 1.5-2 leaf phase after weeds are unearthed, each dixie cup is cultivated by the more consistent weeds plant of 5 strain growing ways of selecting and remain, and regularly pouring is containing N, P, the aqueous solution of K composite fertilizer, treat that grassy weed grows to the 2-5 leaf phase, during broad leaved weed 4-6 leaf phase, with crawler type crops sprayer by clear water (blank), the preparation of embodiment 1-27 and comparative example 1-6 gained carries out cauline leaf spraying process respectively, each processed group dosing (being the dosage of effective active composition) is as shown in table 1, process after 3 hours and be placed on greenhouse continuation cultivation observation, the herbicidal effect of each process of " Invest, Then Investigate " in 20 days.Result is as shown in table 1.
In the present invention, herbicidal effect (i.e. Weed-control effect) represents by fresh weight preventive effect, can record as follows:
Within 20 days, weigh the weight of the weeds of each preparation processed group and clear water control group after administration afterwards, calculate its fresh weight preventive effect, computing formula is as follows:
Fresh weight preventive effect computing formula is:
Table 1
Drug effect assay as shown in Table 1 can be found out, metazachlor, quinmerac and picloram and/or its salt composite after with respective alone use or any two kinds combinationally use compared with, to weeds particularly the preventive effect of broad leaved weeds as clearvers etc. be significantly improved.Meanwhile, metazachlor, quinmerac and picloram and/or its salt composite after with respective alone use or any two kinds combinationally use compared with, the integrated control effect of grassy weed in farmland and broad leaved weed is also significantly improved.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Claims (10)
1. a herbicidal composition, is characterized in that, described herbicidal composition contains metazachlor, quinmerac and picloram and/or its salt as active component;
Wherein, with the gross weight of described herbicidal composition for benchmark, the content of described active component is 0.1-95 % by weight; The weight ratio of the content of metazachlor, quinmerac and picloram and/or its salt is 1: (0.2-15): (0.2-10).
2. herbicidal composition according to claim 1, wherein, with the gross weight of described herbicidal composition for benchmark, the content of described active component is 5-60 % by weight.
3. herbicidal composition according to claim 1, wherein, the salt of described picloram is the organic salt of picloram and/or the mineral salt of picloram.
4. herbicidal composition according to claim 3, wherein, the organic salt of described picloram be selected from the ethanolamine salt of picloram, the triisopropanolamine salt of picloram, the triethylamine salt of picloram and the dimethylamine salt of picloram one or more; The mineral salt of described picloram be selected from the ammonium salt of the sylvite of picloram, the sodium salt of picloram and picloram one or more.
5. according to the herbicidal composition in claim 1-3 described in any one, wherein, described herbicidal composition is also containing surfactant.
6. herbicidal composition according to claim 5, wherein, described surfactant is one or more in emulsifier, dispersant and wetting agent.
7. according to the herbicidal composition in claim 1-3 described in any one, wherein, described herbicidal composition is also containing auxiliary agent.
8. herbicidal composition according to claim 7, wherein, described auxiliary agent is one or more in solvent, thickener, antifreezing agent and defoamer.
9. according to the herbicidal composition in claim 1-4,6 and 8 described in any one, wherein, the formulation of described herbicidal composition is missible oil, aqueous emulsion, aqueous suspension agent, oil-suspending agent, wetting powder, soluble powder, water dispersion granule or soluble granula.
10. the application of the herbicidal composition in claim 1-9 described in any one in the annual and perennial grassy weed of control and broad leaved weed.
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| CN106386813B (en) * | 2016-08-31 | 2018-10-16 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106489946B (en) * | 2016-09-08 | 2018-10-16 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106489945A (en) * | 2016-09-08 | 2017-03-15 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106538544B (en) * | 2016-09-23 | 2018-09-28 | 四川利尔作物科学有限公司 | Wheat field weeding composition and its application |
| WO2024133027A1 (en) * | 2022-12-21 | 2024-06-27 | Basf Se | Oil-in-water emulsion formulation, a process for its preparation and its use as herbicide |
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