CN103651479A - Weed killing composition containing monosulfuron and ethaprochlor - Google Patents
Weed killing composition containing monosulfuron and ethaprochlor Download PDFInfo
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- CN103651479A CN103651479A CN201310658611.0A CN201310658611A CN103651479A CN 103651479 A CN103651479 A CN 103651479A CN 201310658611 A CN201310658611 A CN 201310658611A CN 103651479 A CN103651479 A CN 103651479A
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- monosulfmeturon
- chloroacetyl
- isopropyl
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Abstract
The invention discloses a weed killing composition containing monosulfuron and ethaprochlor. Monosulfuron and ethaprochlor can be compounded and made into any agriculturally-acceptable dosage form so as to control the weeds in agriculture. The weed killing composition can largely reduce the using amount of herbicide, delays the generation of drug resistance of weeds and the succession of weed colonies, and also has an important meaning on environment protection.
Description
Technical field
The invention belongs to pesticide herbicide technical field, be specifically related to a kind of Herbicidal combinations that contains monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline.
Background technology
N-alpha-chloroacetyl-N-isopropyl-o ethylaniline is acetamide-group herbicides, can broadcast before rear seedling for crop for control annual gramineous weed, and the young shoot of control annual weed, also can process for cauline leaf, by young shoot and the root absorption of plant, also can be absorbed by germinating seed lethal.Be mainly used in rice seedling bed weeding, also can be used for cotton, soybean, corn, the dry crop weedings such as rape.
Monosulfmeturon (Monosulfuron), commodity are called Mai Guning, it is a kind of sulfonylurea new herbicides, inner-adsorption conduction-type herbicide before the bud that Shi You Nankai University succeeds in developing, after bud, by suppressing the activity of acetolactate synthestase (ALS), and make branched-chain amino acid in plant corpus entirely become interrupted, thereby destroy cell division and growth, cause weed growth function to be obstructed, make weeds downright bad.The activity of weeding of this weed killer herbicide is high, and weeds spectrums is wide, can effectively prevent and kill off most broad leaved weeds, and as Monochoria vaginalis, pondweed, mexicana etc., and sedge weed is as difformed galingale herb etc.Both can make soil treatment, and can make again cauline leaf and process, selectivity is strong, to plant height safety.
At present domestic still not about monosulfmeturon and the composite correlative study of N-alpha-chloroacetyl-N-isopropyl-o ethylaniline.The object of the invention is to study the composite synergistic formula of monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline, expand herbicide spectrum and the range of application of two herbicidal active components.
Summary of the invention
The object of the invention is to provide a kind of Herbicidal combinations that contains monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline, and this Herbicidal combinations has efficiently, safety, the feature of broad weed-killing spectrum.For achieving the above object, the present invention adopts following technical scheme:
A Herbicidal combinations that contains monosulfmeturon, is characterized in that, the active ingredient of this Herbicidal combinations is monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline; The mass ratio of monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline is 1: 90-90: 1, be preferably 1: 50-50: 1, more preferably 1: 20-20: and 1, particularly preferably be 1: 10-10: 1; Composition of the present invention mixes the insecticides adjuvants such as dispersant, wetting agent, stabilizing agent, thickener and solvent and makes arbitrary formulation applicable in agricultural, such as missible oil, wetting powder, suspending agent, oil-suspending agent, granule, aqueous emulsion, ultra low volume spraying agent, microcapsule suspending agent, microcapsule powder, microemulsion, water dispersible granules etc. in active ingredient.
In the present invention, the dispersant of selecting can be dispersant naphthalenesulfonic acid-formaldehyde condensate, dispersant methyl naphthalene sulfonate formaldehyde condensate, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, lignosulfonates, polyacrylate, polyethers, and well known to a person skilled in the art one or more combinations in common dispersants.
Alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60# (common name: Span60), Tween-60 # (common name: polyoxyethylene sorbitan stearate), agriculture breast 1601# (common name: one or more triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), in TERSPERSE4894 emulsifier is as Nongru-700 # (common name:;
The wetting agent of selecting can be neopelex, lauryl sodium sulfate, polyoxyethylene nonylphenol ether, fatty alcohol-polyoxyethylene ether series, ooze T, alkyl phenol (or fatty alcohol) polyoxyethylene poly-oxygen propylene aether and sulphate (or phosphoric acid fat) thereof, and a kind of or any several combination in wetting agent known in those skilled in the art.
The stabilizing agent of selecting can be potassium sorbate, Sodium Benzoate, formaldehyde, 1,2-benzisothiazole-3-ketone (BIT), KF88, epoxychloropropane, epoxidized vegetable oil, tributyl phosphate, alkylphenol polyoxyethylene phosphate and salt thereof, 2-methyl-2,4-pentanediol, 1,5-pentanediol, and a kind of or any several combination in the conventional stabilizing agent of those skilled in the art.
The thickener of selecting can be CMC, xanthic acid, polyvinyl acetate, sodium alginate, gum Arabic, bentonite, white carbon, aluminium-magnesium silicate, starch, and well known to a person skilled in the art a kind of or any several combination in customary thickeners.
Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more
The solvent of selecting can be deionized water, methyl oleate, methyl alcohol, dimethyl formamide, dimethylbenzene, and well known to a person skilled in the art one or more combinations in common solvent.
Advantage of the present invention:
1, Herbicidal combinations provided by the invention, has activity of weeding high, and the feature of broad weed-killing spectrum alonely once can effectively be prevented and kill off the sub-weeds of the perennial single double leaf of the common annual and part in farmland.They to broad leaved weed as acalypha copperleaf, kitchen garden, lamb's-quarters, piemarker, black nightshade, Siberian cocklebur, Monochoria vaginalis, pondweed etc., sedge weed is as difformed galingale herb, pure meter Sha Cao, Herba Cyperi Glomerati, convexutricle sedge herb etc., and grassy weed has significant preventive effect as barnyard grass, wolf tail grass, moleplant seed, wild swallow grass etc.
2, the preventive effect of single broadleaf weed common in farmland is significantly higher than the preventive effect of monosulfmeturon; and significantly reduce the application dosage of every kind of active substance; can delay the generation of herbicide resistance and the succession of weed community, also significant to protection of the environment.
Embodiment
By preferred embodiment, the present invention is described in further detail below, but protection scope of the present invention is not limited to this.The various dispersants that the present invention adds, wetting agent, stabilizing agent, thickener, solvent etc. are commercially available prod, are assistant agents conventional in pesticide producing, in order to guarantee preparation stablizing under high temperature, low temperature, contribute to storage, transportation, guarantee drug effect.The preparation method of following preparation is the ordinary skill in the art.
fORMULATION EXAMPLE 1: 40% monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline wetting powder.
Accurately take 30 kilograms of monosulfmeturons, 10 kilograms of N-alpha-chloroacetyl-N-isopropyl-o ethylanilines, add 5 kg.p.m. powder naphthalenesulfonic acid-formaldehyde condensates, 5 kilograms of polyoxyethylene nonylphenol ether as wetting agent, surplus complements to double centner with kaolin, and above mixture obtains the monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline wetting powder of active constituent content 40% in airslide disintegrating mill through ultramicro grinding.
fORMULATION EXAMPLE 2: 60% monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline dispersible granule
Accurately take 50 kilograms of monosulfmeturons, 10 kilograms of N-alpha-chloroacetyl-N-isopropyl-o ethylanilines, add 5 kilograms as the di alkylaryl sulfonate of dispersant, 5 kilograms of polyoxyethylene nonylphenol ether as wetting agent, 2 kilograms of ammonium sulfate as disintegrant, 2 kilograms of polyvinyl alcohol as binding agent, surplus complements to double centner with diatomite, and above mixture mixes the monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline dispersible granule that the appropriate water of rear interpolation carries out obtaining after granulation is also dried active constituent content 60%.
fORMULATION EXAMPLE 3: 42% monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline herbicide composition suspending agent.
Accurately take 40 kilograms of monosulfmeturons, 2 kilograms of N-alpha-chloroacetyl-N-isopropyl-o ethylanilines, add 3 kilograms of naphthalenesulfonic acid-formaldehyde condensates, 2 kilograms of alkylphenol polyoxyethylene (OP-10), 0.5 kilogram of xanthans as thickener, 0.5 kilogram of sodium chloride as antifreezing agent, surplus water complements to double centner.To respectively measure composition above and mix through high-shearing dispersion emulsifying machine, then grind by the level Four sand mill of connecting, then in compounding kettle, allocate, after inspection by sampling is qualified, carry out metering, distributing, packaging both content 42% monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline herbicide composition suspending agent.
fORMULATION EXAMPLE 4: 22% monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline missible oil
Take 2% monosulfmeturon, 20% N-alpha-chloroacetyl-N-isopropyl-o ethylaniline, 5% agriculture breast 500#, 2% agriculture breast 400#, 3% Nongru-700 #, 15%N-methyl pyrrolidone, 5% cloquitocet_mexyl, dimethylbenzene add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 22% monosulfmeturon N-alpha-chloroacetyl-N-isopropyl-o ethylaniline missible oil after stirring and dissolving is complete.
the toxicity determination test of above-mentioned different FORMULATION EXAMPLE
By above-mentioned FORMULATION EXAMPLE by Toxicity Determination the co-toxicity coefficient to Common Farmland Weeds, in order to prove the drug effect of Herbicidal combinations of the present invention.
Test method: the seed of quantitative green foxtail is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, cultivate in illumination box, until difformed galingale herb 2～3 leaves during the phase, in the crawler type processing of doing to spray on composition spray.After processing, in greenhouse, continue cultivation, each processes the preventive effect to weeds routine observation, weighs the weeds fresh weight after each processing after 30d, by the method that the nineteen sixties such as Sun Yunpei propose, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 100, shows that two kinds of active principles have synergistic effect, and co-toxicity coefficient is less than 100, shows that two kinds of active principles have antagonism.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
Above-mentioned Toxicity Determination result shows: monosulfmeturon is mixed with N-alpha-chloroacetyl-N-isopropyl-o ethylaniline has good virulence to green foxtail, all has good synergistic effect, and the weight ratio of especially take is the most remarkable as synergy in 20: 1, and coefficient of synergism reaches 185.88.
Biological Examples is prevented and kill off soybean weeds field control effectiveness test
Inventor has carried out FORMULATION EXAMPLE 1 and 2 on December 21st, 2011 in capital town, Fengyang County and has prevented and kill off soybean weeds field control effectiveness test, experimental field pH value 6.5, and fertility is better-than-average, and soil is paddy soil, and soil property is yellowish soil.Test medicine and dosage refer to table 2.Take spray clear water as contrast (CK).Repeat for 4 times, random district group is arranged, community area 20m
2.Adopting the electronic knapsack sprayer of mark standing grain board to carry out cauline leaf spraying, is 30kg/667m by amount of liquid medicine
2.
Investigation and statistical method: after medicine 7,14,21d observes each community in the growing state of bean seedlings greatly.30d after medicine, every community is got 4 points, every some 0.25m at random
2, weeds strain number in point is recorded in investigation, and calculates preventive effect.
Preventive effect (%)=(blank district number of weeds-treatment region number of weeds)/number of weeds * 100, blank district.
Table 2 eliminating weed in wheat field field test results
After above-mentioned field experiment result shows that monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline are mixed, improved the preventive effect to soybean weeds, there is obvious synergistic effect, overcome monosulfmeturon herbicide and composed single defect, saved drug cost simultaneously, and to wheat safety, therefore produce and have wide practical use.
In sum, composition of the present invention is to adopt two kinds of active component compound schemes, its activity and herbicidal effect are not the simple superposition of each composition activity, compare with existing unitary agent, except having significant herbicidal effect, and have significant synergistic effect, preparation less residue, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.
Finally, it should be noted that: modifications or improvements without departing from theon the basis of the spirit of the present invention, apparent to those skilled in the art, therefore should all belong to the scope of protection of present invention.
Claims (5)
1. a Herbicidal combinations that contains monosulfmeturon, is characterized in that, the active ingredient of this Herbicidal combinations is monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline.
2. Herbicidal combinations as claimed in claim 1, is characterized in that, the mass ratio of monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline is 1: 90-90: 1, be preferably 1: 50-50: 1, more preferably 1: 20-20: and 1, particularly preferably be 1: 10-10: 1.
3. Herbicidal combinations as claimed in claim 2, is characterized in that, mixes insecticides adjuvant and make arbitrary formulation applicable in agricultural in active ingredient.
4. the arbitrary described Herbicidal combinations of claims 1 to 3 is in the application of control crop Tanaka weeds.
5. application claimed in claim 4, is characterized in that, described crop is soybean, peanut, rape, cotton, wheat or potato, and described weeds are annual or perennial grass family, broad-leaved and sedge weed.
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| CN201310658611.0A CN103651479B (en) | 2013-11-29 | 2013-11-29 | A kind of Herbicidal combinations containing monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline |
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| CN201310658611.0A CN103651479B (en) | 2013-11-29 | 2013-11-29 | A kind of Herbicidal combinations containing monosulfmeturon and N-alpha-chloroacetyl-N-isopropyl-o ethylaniline |
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| CN103651479A true CN103651479A (en) | 2014-03-26 |
| CN103651479B CN103651479B (en) | 2016-01-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172459A (en) * | 2016-07-08 | 2016-12-07 | 广东中迅农科股份有限公司 | A kind of containing flucetosulfuron with the Herbicidal combinations of fluorine ketone sulphur grass amine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413462A (en) * | 2001-10-25 | 2003-04-30 | 广西金燕子农药有限公司 | Herbicide composition containing monosulfmeturon |
| CN101161072A (en) * | 2007-11-28 | 2008-04-16 | 南开大学 | Compounded herbicidal composition of single sulphur ester compounds |
| CN102550572A (en) * | 2012-01-13 | 2012-07-11 | 河南金田地农化有限责任公司 | Herbicidal combination containing flumetsulam |
| CN102960358A (en) * | 2012-12-17 | 2013-03-13 | 南开大学 | Dry field herbicide composite and field weeding method thereof |
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2013
- 2013-11-29 CN CN201310658611.0A patent/CN103651479B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413462A (en) * | 2001-10-25 | 2003-04-30 | 广西金燕子农药有限公司 | Herbicide composition containing monosulfmeturon |
| CN101161072A (en) * | 2007-11-28 | 2008-04-16 | 南开大学 | Compounded herbicidal composition of single sulphur ester compounds |
| CN102550572A (en) * | 2012-01-13 | 2012-07-11 | 河南金田地农化有限责任公司 | Herbicidal combination containing flumetsulam |
| CN102960358A (en) * | 2012-12-17 | 2013-03-13 | 南开大学 | Dry field herbicide composite and field weeding method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172459A (en) * | 2016-07-08 | 2016-12-07 | 广东中迅农科股份有限公司 | A kind of containing flucetosulfuron with the Herbicidal combinations of fluorine ketone sulphur grass amine |
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