CN1723777A - Herbicide composition contg. micosulfuron and profluazone - Google Patents

Herbicide composition contg. micosulfuron and profluazone Download PDF

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Publication number
CN1723777A
CN1723777A CN 200410009361 CN200410009361A CN1723777A CN 1723777 A CN1723777 A CN 1723777A CN 200410009361 CN200410009361 CN 200410009361 CN 200410009361 A CN200410009361 A CN 200410009361A CN 1723777 A CN1723777 A CN 1723777A
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profluazone
nicosulfuron
herbicidal combinations
agent
active component
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CN100384331C (en
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李正先
肖富生
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Hebei Xuanhua Yi'a Pesticides Co., Ltd.
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HEBEI XUANHUA PESTICIDE CO Ltd
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Abstract

A composite herbicide features that its active components are nicosulfuron and profluazone in the ratio of 0.1-90: 90-0.1. Its advantages are low poison and broad spectrum.

Description

A kind of Herbicidal combinations that contains nicosulfuron and profluazone
[technical field]
The present invention relates to a kind of Herbicidal combinations, it contains the active component that is combined by nicosulfuron and profluazone.
[background technology]
Owing to winning honour for crops and striving liquid manure, farmland weed causes very big loss to crops production every year, prevents and treats the method for farmland weed at present and mainly sprays insecticide.The spirit of going out soon by name of profluazone commodity, English general carfentrazone-ethyl by name, chemical name is ethyl-2-chloro-3-{2-chloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxygen-1H-1,2, the 4-triazol-1-yl]-the 4-fluorophenyl } ethyl propionate) be a kind of selectivity sexual type cauline leaf inorganic agent of tagging, make it dead by suppressing photosynthesis of plants, be characterized in killing grass rapidly, medication 3-4 days weeds are all dead under suitable temperature, but its weeding narrow range, lasting period weak point use back weeds resurrection rate height.Nicosulfuron belongs to sulfonylurea herbicide, english common name is Nicosulfuron, chemical name is 2-(4,6-dimethoxypyridin-2-base carbamyl aminosulfonyl)-and N, the N-dimethyl nicotinamide is a kind of selectivity inner sucting conduction type cauline leaf soil processing herbicide of holding concurrently, this class weed killer herbicide is to kill weeds by suppressing acetolactate synthase, be characterized in that herbicidal effect is slow, the weeding scope is narrow relatively, and herbicidal effect is bad under low temperature condition.Therefore, need the weed killer herbicide of development, therefore, need the weed killer herbicide of development, and the synergistic complex of agricultural chemicals is the effective ways that enlarge the control spectrum of agricultural chemicals and improve drug effect the control of weeds better effects if to the control of weeds better effects if.
[summary of the invention]
The technical problem that is solved
For solving the problems of the technologies described above, the invention provides a kind of containing by nicosulfuron and profluazone Herbicidal combinations as active component, it has wider grass spectrum and the excellent synergy control efficiency of killing.
Technical scheme
Specifically, the present composition contains nicosulfuron and profluazone as active component, wherein, the weight ratio of described active component is a nicosulfuron: profluazone is 0.1-90: 90-0.1, preferably both weight ratios are 1-20: 10-1, preferred both weight ratio is 4-8: 6-2, and most preferred both weight ratio is 7-8: 3-2.The weight percentage of active component in Herbicidal combinations is 0.1-50%, preferably 1-30%.
Herbicidal combinations of the present invention has the active effect of excellent Herbicidal synergistic.
The present invention's combination can convert conventional formulation such as missible oil, wetting powder, granula, soluble powder to, do outstanding agent, water dispersible granules, aqueous suspension agent, oil-suspending agent, aqueous emulsion, microemulsion, emulsion, pulvis, dust base, paste and water surface leafing agent.
Administration form depends on specific use; In all cases, must guarantee that their dispersion is trickle as much as possible and even.
These preparations can prepare in a known manner, for example by reactive compound is mixed with solvent and/or carrier, if desired, adopt emulsifier and dispersant to fill, if use water as thinner, also can make cosolvent with other organic solvent.
The cosolvent that is suitable for this purpose mainly is:
-solvent such as aromatic compounds (for example dimethylbenzene), chloro aromatic compounds (for example chlorobenzene), paraffin (for example petroleum cuts), alcohols (for example methyl alcohol, butanols), ketone (for example cyclohexanone), amine (for example monoethanolamine, dimethyl formamide) and water;
-carrier is as the natural mineral matter (for example kaolin, alumina, talcum, chalk) that grinds and the synthetic mineral matter (for example silicic acid of high dispersive, silicate) of grinding;
-emulsifier such as nonionic and anion emulsifier (for example polyoxyethylene aliphatic alcohol ether, alkylsulfonate and arylsulphonate);
-dispersant such as lignin sulfite waste liquor or methylcellulose.
The surface reactive material that is fit to is an aromatic sulfonic acid (lignosulphonic acid for example, phenolsulfonic acid, naphthalene sulfonic acids and dibutyl naphthalene sulfonic acids) and the alkali metal of fatty acid, alkaline earth metal and ammonium salt, alkylsulfonate and alkylaryl sulfonates, alkyl sulfate, lauryl ether sulfuric acid and aliphatic alcohol sulfate, and Sulfated 16-, 17-and the salt of octadecanol and fatty alcohol ether, sulfonated naphthalene and its derivative and formaldehyde condensation product, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, polyoxyethylene octylphenol ether, the iso-octyl of ethyoxyl alkanisation-, octyl group-or nonyl phenol, alkylphenol or tributyl phenyl polyglycol ether, alkyl aryl polyether alcohol, different three decyl alcohol, the fatty alcohol ethylene oxide condensate, ethoxylated castor oil, polyoxyethylene-or the polyoxypropylene alkyl ether, laruyl alcohol polyglycol ether acetic acid esters, sorbitan ester, lignin sulfite waste liquor or methylcellulose.
Moisture administration form can be by adding water, for example by missible oil, dispersion liquid, paste, wetting powder, effervescent agent or water dispersible granule preparation.When preparation emulsion, paste, oily dispersion liquid or liquid water surface leafing agent,, material is homogenized in water or be dissolved in oil or the solvent by adding wetting agent, adhesive, dispersant or emulsifier.And, also can prepare by active substance, wetting agent, adhesive, dispersant or emulsifier and possible solvent or the oily concentrate of forming, this concentrate is suitable for dilute with water.
Pulvis, spreading fertilizer over the fields pulvis, effervescent agent, solid-state water surface leafing agent composition can be by mixing active substance or grinding and produce with solid carrier.
Granule (for example, coating, dipping or homogeneous particle agent) can prepare by reactive compound is adhered on the solid carrier.
Solid carrier is that ore soil is as silica gel, silicic acid, silicate, talcum, kaolin, lime stone, lime, chalk, bole, loess, potter's clay, dolomite, diatomite, calcium sulphate and magnesium sulfate, magnesia, the synthetic material, the chemical fertilizer that grind are as ammonium sulfate, ammonium phosphate, ammonium nitrate, urea and plant product such as flour, bark powder, wood powder and shuck powder, cellulose powder and other solid carrier.Activity compound concentration in direct useful formulations can change in wide relatively scope.
Usually, composition contains 0.01 to 90% active component by weight, and usually according to the difference of preparation type, preferably contains 0.1 to 50% active component by weight.
Present composition application dosage, the difference according to factors such as different crops, time of application, weather conditions is generally 1-1000g a.i./ha, is preferably 5-300g a.i./ha.The general foliage applying that adopts, for example foliar spray is handled.
The big Tanaka that Herbicidal combinations of the present invention can be widely used in soybean, corn and wheat crops prevents and kill off grassy weed and broad leaved weed, as barnyard grass grass, green amaranth, Amaranthus retroflexus, conical silene herb, knotweed grass etc., but is not limited to above-mentioned weeds.
Beneficial effect
Compared with the prior art the present invention has following advantage:
1. broad weed-killing spectrum.The big Tanaka that can be widely used in soybean, corn and wheat crops prevents and kill off grassy weed and broad leaved weed, as barnyard grass grass, green amaranth, Amaranthus retroflexus, conical silene herb, knotweed grass etc.
2. crop safety height.Herbicidal combinations toxicity of the present invention is low, and weak sensitization is low to crop, people and animals' murder by poisoning.Can be under the situation that does not injure crop, management of weeds safely.
3. the weed control synergistic effect is remarkable.The present invention is a compound formulation, and the usage amount that makes two kinds of weed killer herbicides reduces during all than single use, thereby has improved herbicidal effect, reduced cost, has reduced environmental pollution.
[embodiment]
Example of formulations
The present invention describes with the following example, but does not limit the present invention.
Example of formulations 1:20% missible oil
Raw material consumption (weight portion)
Nicosulfuron 8
Profluazone 12
Farming breast 2,201 10
Dimethylbenzene 50
N-hexane 20
Take by weighing nicosulfuron and profluazone and be dissolved in dimethylbenzene and the n-hexane, and then add emulsifier farming breast 2201, stir, promptly make described missible oil.
Example of formulations 2:30% missible oil
Raw material consumption (weight portion)
Nicosulfuron 15
Profluazone 15
Farming breast 2,201 10
Dimethylbenzene 40
N-hexane 20
Take by weighing active component nicosulfuron and profluazone and be dissolved in dimethylbenzene and the n-hexane, and then add emulsifier farming breast 2201, stir, promptly make described missible oil.
Example of formulations 3:50% missible oil
Raw material consumption (weight portion)
Nicosulfuron 30
Profluazone 20
Farming breast 2,201 10
Dimethylbenzene 20
N-hexane 20
Take by weighing active component nicosulfuron and profluazone and be dissolved in dimethylbenzene and the n-hexane, and then add emulsifier farming breast 2201, stir, promptly make described missible oil.
Example of formulations 4:10% suspension emulsion
Raw material consumption (weight portion)
Nicosulfuron 7
Profluazone 3
White carbon 2
Urea 5
Farming breast 160 18
ABS-Ca 2
Water adds to 100
Take by weighing active component nicosulfuron and profluazone, add entry and above-mentioned processing auxiliary element,, promptly make described suspension emulsion through ball milling, sanded treatment.
Example of formulations 5:10% wetting powder
Raw material consumption (weight portion)
Nicosulfuron 9
Profluazone 1
White carbon 2
Neopelex 3
Precipitated calcium carbonate 85
With precipitated calcium carbonate precomminution, then it is fully mixed with above-mentioned other compositions earlier, adopt comminution by gas stream processing again, promptly make described 10% wetting powder that gets.
Example of formulations 6:20% aqueous suspension agent
Raw material consumption (weight portion)
Nicosulfuron 2
Profluazone 18
Ethylene glycol 5
Sodium sulfate of polyethenoxy ether of fatty alcohol 15
Water 60
Take by weighing active component nicosulfuron and profluazone, add entry and above-mentioned auxiliary element,, promptly make described 20% water suspension emulsion through ball milling, sanded treatment.
Example of formulations 7:40% dry suspending agent
Raw material consumption (weight portion)
Nicosulfuron 5
Profluazone 35
Sodium lignin sulfonate 2
Draw back powder 2
Carboxycellulose 1
White carbon black 5
Water 50
Take by weighing active component nicosulfuron and profluazone, add entry and above-mentioned auxiliary element stirs, through ball milling, sanded treatment, atomized drying promptly makes described 40% dry suspending agent.
Example of formulations 8:10% oil-suspending agent
Raw material consumption (weight portion)
Nicosulfuron 5
Profluazone 5
Phthalic acid dimethyl ester 15
Sodium sulfate of polyethenoxy ether of fatty alcohol 15
Mineral oil 60
Take by weighing active component nicosulfuron and profluazone, add mineral oil and above-mentioned processing auxiliary element,, promptly make described 5% oily suspension emulsion through ball milling, sanded treatment.
Biological Examples
(1) for the examination weed killer herbicide:
4% nicosulfuron oil-suspending agent (Xuanhua, Hebei agricultural chemicals Co., Ltd provides)
3.67% profluazone missible oil (Xuanhua, Hebei agricultural chemicals Co., Ltd provides)
The mixed agent of nicosulfuron and 5 different proportionings of profluazone:
No. 1 No. 2 No. 3 No. 4 No. 5
Nicosulfuron 4 5 6 7 8
Profluazone 6 5 4 3 2
Annotate: be the weight ratio of active ingredient in the table.
(2) examination material: grass family-barnyard grass grass (Barn-grass), Amaranthaceae-green amaranth (Amaranth).
(3) effective dose:
Nicosulfuron oil-suspending agent: 2.08,1.04,0.52,0.26,0.13 gram/mu;
Profluazone missible oil: 0.96,0.48,0.24,0.12,0.06 gram/mu;
Mixed agent (1-5 number): 0.96,0.48,0.24,0.12,0.06 gram/mu;
(4) assay method: indoor pot method.In the barnyard grass 2 leaf phases of grass, the green amaranth rough leaf phase carries out the cauline leaf spraying and handles; 47 liters/mu of the water yields are converted in spraying.Measurement result is the fresh weight inhibiting rate, calculates ED 90Value, ED 50Value, vivacity, co-toxicity coefficient etc., the activity of weeding after relatively nicosulfuron oil-suspending agent, profluazone missible oil and they are mixed is determined best proportioning.
(5) result of the test
Activity of weeding: see Table 1-table 4
The activity of weeding of table 1 pair green amaranth is relatively (with ED 90The value meter)
Reagent Y＝a+blogD Correlation coefficient r ED 90Value gram/mu Vivacity The co-toxicity coefficient
Nicosulfuron Y＝5.38+1.41x 0.979 4.36 100
Profluazone Y＝7.02+1.21x 0.972 0.25 1744
No. 1, mixed agent Y＝7.24+1.86x 0.952 0.30 1453 133.8
No. 2, mixed agent Y＝6.93+1.58x 0.990 0.38 1147 124.4
No. 3, mixed agent Y＝6.86+1.53x 0.992 0.41 1063 140.2
No. 4, mixed agent Y＝6.81+1.53x 0.990 0.45 969 163.4
No. 5, mixed agent Y＝6.91+1.90x 0.995 0.46 948 221.0
The activity of weeding of table 2 pair barnyard grass grass is relatively (with ED 50The value meter)
Reagent Y＝a+blogD Correlation coefficient r ED 50Value gram/mu Vivacity The co-toxicity coefficient
Nicosulfuron Y＝5.81+1.55x 0.997 0.58 100.0
Profluazone Y＝6.34+2.66x 0.989 0.31 187.0
No. 1, mixed agent Y＝5.89+2.24x 0.972 0.40 145.0 /
No. 2, mixed agent Y＝5.91+2.17x 0.962 0.38 152.6 106.3
No. 3, mixed agent Y＝5.93+2.11x 0.964 0.36 161.1 119.5
No. 4, mixed agent Y＝6.02+1.98x 0.984 0.31 187.1 148.4
No. 5, mixed agent Y＝6.04+1.97x 0.985 0.30 193.3 164.7
The activity of weeding of table 3 pair barnyard grass grass is relatively (with ED 90The value meter)
Reagent Y＝a+blogD Correlation coefficient r ED 90Value gram/mu Vivacity The co-toxicity coefficient
Nicosulfuron Y＝5.88+1.55x 0.997 1.79 100.0
Profluazone Y＝6.34+2.66x 0.989 0.95 188.4
No. 1, mixed agent Y＝5.89+2.24x 0.972 1.49 120.1 /
No. 2, mixed agent Y＝5.91+2.17x 0.962 1.48 120.9 /
No. 3, mixed agent Y＝5.93+2.11x 0.964 1.47 121.8 /
No. 4, mixed agent Y＝6.02+1.98x 0.984 1.36 131.6 104.0
No. 5, mixed agent Y＝6.04+1.97x 0.985 1.32 135.6 115.2
Crafts method (bulk method in proportion): in the barnyard grass 2 leaf phases of grass, with nicosulfuron 1.2 grams, profluazone 0.2 gram is the dosage of each single agent, and preparation is according to the above ratio handled.It the results are shown in Table 4.
Table 4 nicosulfuron and profluazone are to the herbicide effect of barnyard grass grass
Handle Dosage, g (ai)/mu The fresh weight inhibiting rate, %
Nicosulfuron Profluazone
1 1.2 0 60.2
2 0.96(4/5) 0.04(1/5) 70.4
3 0.72(3/5) 0.08(2/5) 59.7
4 0.48(2/5) 0.12(3/5) 53.2
5 0.24(1/5) 0.16(4/5) 45.8
6 0 0.2 22.2
(nicosulfuron: profluazone=4-8: 6-2), being mixed afterwards is the herbicide effect of synergy and addition to green amaranth, with ED in measuring 5 mixed ratios of two kinds of weed killer herbicides as can be seen from the above table 90Calculate, its co-toxicity coefficient is 124-220.
In 5 mixed ratios measuring, the bigger relative synergistic effects of the ratio of nicosulfuron are big to the barnyard grass grass.
With ED 90Calculate nicosulfuron: profluazone=7-8: 3-2
With ED 50Calculate nicosulfuron: profluazone=5-8: 5-2
Be synergy and summation action, its co-toxicity coefficient is 104-164.
From as can be seen, nicosulfuron and profluazone mixed agent are 4-8 at mixed ratio: synergistic effect is obvious in the 6-2.
Vivacity after be mixed, co-toxicity coefficient and farming this etc. the composite factor analysis, its best ratio range is at 7-8: 3-2.
Though above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, not departing from the these modifications or improvements basically of spirit of the present invention, all belong to the scope of protection of present invention.

Claims (8)

1. Herbicidal combinations, it is characterized in that it by nicosulfuron and profluazone as active component.
2. Herbicidal combinations according to claim 1, the weight ratio that it is characterized in that active component is nicosulfuron: profluazone=0.1-90: 90-0.1.
3. Herbicidal combinations according to claim 2, the weight ratio that it is characterized in that active component is nicosulfuron: profluazone=1-20: 10-1.
4. Herbicidal combinations according to claim 3, the weight ratio that it is characterized in that containing active component is nicosulfuron: profluazone=4-8: 6-2.
5. Herbicidal combinations according to claim 4, the weight ratio that it is characterized in that containing active component is nicosulfuron: profluazone=7-8: 3-2.
6. according to the arbitrary described Herbicidal combinations of claim 1-5, it is characterized in that the weight percentage of active component in Herbicidal combinations is 0.1-50%.
7. Herbicidal combinations according to claim 6, wherein, described Herbicidal combinations is missible oil, wetting powder, granula, soluble powder, does outstanding agent, water dispersible granules, aqueous suspension agent, aqueous emulsion, microemulsion or oil-suspending agent.
8. Herbicidal combinations according to claim 7, wherein, described Herbicidal combinations is missible oil, water suspension emulsion, wetting powder, oil-suspending agent or does outstanding agent.
CNB2004100093619A 2004-07-21 2004-07-21 Herbicide composition contg. micosulfuron and profluazone Expired - Fee Related CN100384331C (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101707997A (en) * 2009-12-01 2010-05-19 安徽丰乐农化有限责任公司 Complex herbicide for treating stems and leaves of rice
CN106818825A (en) * 2015-12-07 2017-06-13 沈阳中化农药化工研发有限公司 A kind of herbicidal composition and its application

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0915652B1 (en) * 1996-06-21 2002-08-14 E.I. Du Pont De Nemours And Company Herbicidal mixtures
CN1147897A (en) * 1996-09-13 1997-04-23 张保民 Herbicide for corn field
CN1124074C (en) * 2001-06-06 2003-10-15 河北宣化农药有限责任公司 Herbicide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101707997A (en) * 2009-12-01 2010-05-19 安徽丰乐农化有限责任公司 Complex herbicide for treating stems and leaves of rice
CN106818825A (en) * 2015-12-07 2017-06-13 沈阳中化农药化工研发有限公司 A kind of herbicidal composition and its application
CN106818825B (en) * 2015-12-07 2018-12-25 沈阳中化农药化工研发有限公司 A kind of herbicidal composition and its application

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