CN1297195C - Herbicide composition of fomesafen and imazethapyr - Google Patents
Herbicide composition of fomesafen and imazethapyr Download PDFInfo
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- CN1297195C CN1297195C CNB031270239A CN03127023A CN1297195C CN 1297195 C CN1297195 C CN 1297195C CN B031270239 A CNB031270239 A CN B031270239A CN 03127023 A CN03127023 A CN 03127023A CN 1297195 C CN1297195 C CN 1297195C
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Abstract
The present invention belongs to the technical field of pesticide, discloses a binary herbicidal composition which comprises a mixture of compound fomesafen and imazethapyr as the herbicidal active component. The composition is prepared into wettable powders, water suspending agents, emulsifiable solution, powders, granules, dry suspending agents and water agents, is mainly used for controlling the common weeds on a soybean field, has the good characteristics of wide weed herbicidal spectrum and low dosage and has important significance for environmental protection.
Description
Technical field: the present invention relates to technical field of pesticide, be specifically related to the application of a kind of binary Herbicidal combinations and preparation thereof.
Background technology: fomesafen is the selectivity diphenyl ether herbicide, be mainly used to prevent and kill off soybean field broad leaved weed, as piemarker, amaranth, lamb's-quarters, Siberian cocklebur, volume stem knotweed, iron amaranth, bur beggar-ticks, dayflower, black nightshade, kitchen garden etc., grassy weed there is certain inhibitory action, it is limited that it kills the grass spectrum, undesirable to the grassy weed preventive effect.Imazethapyr is to belong to the imidazolone weed killer herbicide, uses before the bud or behind the bud, can prevent and kill off soybean Tanaka grassy weed and some broad leaved weed, and is undesirable to the broad leaved weed preventive effect.Up to the present, the composition of the domestic and international also not mentioned fomesafen of patent and two kinds of herbicides compounds of imazethapyr.
Summary of the invention: the purpose of this invention is to provide a kind of Herbicidal combinations of preventing and kill off broad leaved weed and grassy weed that has simultaneously, find by research and test, the Herbicidal combinations of fomesafen and two kinds of compound of imazethapyr, the grass that kills that has enlarged weed killer herbicide is composed, herbicide action that it shows or vigor head and shoulders above the stack of each composition activity, this result belongs to synergistic effect.The present invention based on this discovery is successful.The present invention realizes by following technical scheme:
The invention provides a kind of binary Herbicidal combinations, wherein contain compound fomesafen and imazethapyr simultaneously as the activity of weeding composition,
Fomesafen
Chemical name: 5-(2-chloro-α, α, α-trifluoro p-methoxyphenyl)-N-mesyl-2-nitrobenzamide; Common name: fomesafen, prowers, imperial prestige;
English name: fomesafen; Flex; Reflex (ICI); PP021 (ICI)
Structural formula:
Imazethapyr
Chemical name: (RS)-5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazoline-2-yl) nicotinic acid; Common name: imazethapyr, nicotinic acid, Imazethapyr, Pu Shite, Imazethapyr, beans Xerox, goldc grains are many;
English name: imazethapyr; Imazethapyr-ammonium; Pursuit; Pivot; AC 263499; CL 263499
Structural formula:
Herbicidal combinations provided by the invention except that containing formulation adjuvant, contains effective ingredient by weight simultaneously
The fomesafen of 1-89%,
The imazethapyr of 1-89%,
Making fomesafen+imazethapyr is 2-90%.
Herbicidal combinations provided by the invention is aqua, wetting powder, aqueous suspension agent, missible oil, pulvis, granule, dry suspending agent.
In each preparation is made, the surfactant that adopts has anionic surfactant and nonionic surface active agent, the aliphatic alcohol sulfate that comprises Sulfates, alkylol polyoxy ethyl ether sodium sulphate, alkylol polyoxyethylene groups ether sodium sulfate etc., the sodium alkyl sulfonate of Sulfonates, alkylbenzenesulfonate, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl phenyl polyoxyethylene groups succinic acid sodium sulfonate, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate, aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether, the anhydrous sorbitol fatty acid ester, anhydrous sorbitol fat polyoxyethylene groups ether, alkylphenol formaldehyde condensation product polyoxyethylene groups ether, sulfonation castor-oil plant alkoxide, quaternary ammonium salt derivative, the condensation product of oxirane and nonyl or octyl phenol is main product or hydroxyl and the oxirane that does not dissociate by esterification, the alkalies and alkaline earth salt of sulfuric ester and sulfonic acid is as sulphonyl amber ester dinonyl and dioctyl sodium and such as the alkali of the macromolecule sulfonic acid derivative of sodium lignin sulfonate and calcium and carboxylic esters of the anhydrous sorbierite that the alkali salt condensation forms solubility etc.That can give an example has farming breast No. 2000 series, Tw-20, petroleum sodium sulfonate, dodecyl sodium sulfates, draws back powder, lauryl alcohol polyethylene glycol oxide base ether sulfonic acid sodium, tween series etc.Other auxiliary agent that adopts is an acceptable assistant on the Pesticide Science.
Wetting powder: contain in the wetting powder by weight:
The mixture of two kinds of activity of weeding components of 2-90%;
The dispersant of 0.25-25%;
The inert solid carrier of 5-95% and filler;
Wherein, inert carrier and filler are the mineral material, as potter's clay, kaolin, bentonite, talcum powder, diatomite etc.;
In a preferred embodiment, contain in the said preparation by weight:
The mixture of two kinds of activity of weeding components of 5-80%;
The dispersant of 1-15%;
The inert solid carrier of 5-80% and filler.
Aqueous suspension agent: aqueous suspension agent is that each water-soluble relatively poor active component is constantly stirred in water, grinds with emulsifier, dispersant, wetting agent, make it fineness less than 5 microns, in water, evenly disperse and suspension, so that spraying is used, suitably add thickener, antifreezing agent, defoamer as required; Contain in the aqueous suspension agent by weight:
The mixture of two kinds of activity of weeding components of 2-90%, the upper limit is decided by the solubility limit of active component in solvent;
The 1-15% emulsifier;
The 2-25% dispersant;
In a preferred embodiment, content is by weight in the said preparation:
The mixture of two kinds of activity of weeding components of 2-60%.
Missible oil: missible oil is that the various active constituents with Herbicidal combinations are dissolved in as in a certain solvent in butanols, cyclohexanone, dimethyl formamide, dimethylbenzene or high boiling aromatic series or the hydro carbons, adds one or more emulsifier again and is prepared from; Contain in the missible oil by weight:
The mixture of two kinds of activity of weeding components of 2-90%;
The 1-15% emulsifier;
In a preferred embodiment, contain in the said preparation by weight:
The mixture of two kinds of activity of weeding components of 5-80%.
Pulvis: pulvis be with each effective ingredient and fine grained agent be dispergated solid matter such as talcum powder, natural clay and kaolin, bentonite, pyrophyllite or diatomite through abrasive dust processing and make, contain in the pulvis by weight:
The mixture of two kinds of activity of weeding components of 2-80%;
In a preferred embodiment, contain in the said preparation by weight:
The mixture of two kinds of activity of weeding components of 5-70%.
Granule: the preparation of granule is that each effective ingredient is sprayed at particulate inert material surface with absorption property or effective ingredient is adhered to carrier mass surface or particulate inert material surfaces such as sand, kaolin with adhesives such as polyvinyl alcohol, Sodium Polyacrylate or mineral oil, also can be processed into granule with the method for common manufacturing granular fertilizer; Contain by weight in the dispersible granules agent in the water:
The mixture of two kinds of activity of weeding components of 5-90%;
Spread fertilizer over the fields and contain in the granule by weight:
The mixture of two kinds of activity of weeding components of 2-80%;
In a preferred embodiment, spread fertilizer over the fields and contain in the granule by weight:
The mixture of two kinds of activity of weeding components of 5-75%.
Dry suspending agent: dry suspending agent is with effective ingredient and dispersant, emulsifier, wetting agent, adds thickener when needing, and grinds in water, makes it fineness less than 5 microns, then spray drying treatment; Contain in the dry suspending agent by weight:
The mixture of two kinds of activity of weeding components of 2-80%;
The 1-15% emulsifier;
The 20-70% dispersant;
In a preferred embodiment, spread fertilizer over the fields and contain in the granule by weight:
The mixture of two kinds of activity of weeding components of 5-70%.
Aqua: aqua is that former medicine is added alkali, water and emulsifier, stirs rapidly, and is static afterwards, filters out precipitation; Contain in the aqua by weight:
The mixture of two kinds of activity of weeding components of 2-70%;
0.1-10% alkali;
The 1-15% emulsifier;
In a preferred embodiment, contain in the said preparation by weight:
The mixture of two kinds of activity of weeding components of 10-50%.
Herbicidal combinations provided by the invention is used for soybean " early stage behind the seedling " and uses, and " early stage behind the seedling " is meant 2 compound leaf phases of soybean true leaf, the weeds 1-4 leaf phase, soybean carried out the cauline leaf spraying handle.Processing method can be converted water by consumption and spray a manufactured Herbicidal combinations preparation.
The present invention has following useful effect:
Herbicidal combinations provided by the present invention, belong to selective herbicide, possess broad weed-killing spectrum, to characteristics such as soybean safety, single with once all effectively preventing and treating soybean field common weed, soybean field common weed preventive effect is higher than single preventive effect with fomesafen or imazethapyr, and has reduced the application dosage of every kind of active substance significantly.This characteristic has important ecological significance, and it can delay the drug-fast generation of weeds and the succession of community, and is also significant to the protection environment.
Embodiment:
Embodiment 1: be the formulation preparation example,
(1), aqueous suspension agent: with each active ingredient mixture of 35 parts heavy and 65 parts of heavy polyoxyethylene nonylphenol ethers 10, dispersant sodium lignin sulfonates, draw back powder, as the carrier bentonite, as the n-octyl alcohol of defoamer and water mixing successively, in the sand milling pot, be ground to particle diameter below 5 microns.
(2), wetting powder: with each active ingredient mixture of 40 parts heavy and 60 parts of weights as the neopelex of wetting agent, form in the micronizer attrition process as the sodium lignin sulfonate and the kaolin of dispersant.
(3), pulvis:, in high speed disintegrator, pulverize and mix with mixing of each active ingredient mixture of 15 parts heavy and 85 parts of weights as the talcum powder of inert substance.
(4), missible oil: each active ingredient mixture of 50 parts heavy are dissolved in the nonyl phenol of ethoxylation that the 40 parts heavy usefulness as xylene as solvent, 10 parts of weights is emulsifier form.
(5), granule: the kaolin by each active ingredient mixture of 25 parts heavy, 30 parts of heavy sodium lignin sulfonates, 15 parts of heavy dodecyl sodium sulfates, 15 parts of heavy polyvinyl alcohol and 15 parts of weights is made.
(6), aqua: the water of each mixture of active principles of 30 parts heavy, 6 parts of heavy NaOH, emulsifier Tw-20 of 8 parts heavy, 60 parts of weights is mixed, and strong agitation is more than 30 minutes, and filtration forms.
(7), dry suspending agent: by each mixture of active principles of 40 parts heavy, 46 parts of heavy sodium lignin sulfonates, 2 parts heavily draw back powder, 10,10 parts of heavy kaolins of 2 parts heavy polyoxyethylene nonylphenol ethers are crushed to 3 microns in the sand milling pot, atomized drying forms.
Embodiment 2: be biological Examples,
The field experiment example, soybean is in April 26 sowing, and the sub-district area is 15 square metres, carries out dispenser before after planting emerging, and most weeds 0-1.0 leaves adopt spray-on process evenly to spray during medication, investigate the fresh weight of various spontaneous weeds in every processing sub-district after the medication in 40 days.
Weeds preventive effect (%) is calculated as follows:
Weeds preventive effect (%)=(X-Y)/X * 100
X: the weeds fresh weight of untreated control
Y: the weeds fresh weight after the chemicals treatment
Symphyogenetic differentiation is adopted fast and practical Colby method.If E is the expection weeds preventive effect of using with between compound (%), X, Y are respectively compound list time spent weeds preventive effects (%).Then: when two kinds of compounds are used with: E=X+Y-XY/100
When actual measurement preventive effect during, illustrate to have produced synergistic effect (" synergy of weeding composition and antagonism calculating ", Weed 15,1967, the 20-22 page or leaf greater than expection preventive effect E.Field experiment the results are shown in Table 1:
Table 1 fomesafen and imazethapyr are used with the control efficiency of spring soybean field weed (%)
Place: Jilin Province; Sowing: April 26; Dispenser: before broadcasting the back seedling; Investigation: behind the medicine 40 days (fresh weight method); Test: land for growing field crops; Time: 2002
| Medicament | Formulation rate (g/ mu) | Grassy weed 1 | Broad leaved weed 2 | The actual average preventive effect | Expection preventive effect (Colby method) | Soybean fresh weight inhibiting rate |
| Fomesafen (fomesafen) | 100 | 8.1 | 93.8 | 50.95 | 0.0 | |
| Lmazethapyr (imazethapyr) | 120 | 87.6 | 26.3 | 56.95 | 0.0 | |
| Fomesafen+imazethapyr | 50 | 89.2 | 93.7 | 91.45 | 87.5 | 0.0 |
| Fomesafen+imazethapyr | 70 | 97.9 | 98.6 | 98.25 | 91.0 | 0.0 |
| Fomesafen+imazethapyr | 100 | 99.8 | 100.0 | 99.9 | 95.5 | 0.0 |
| Fomesafen+imazethapyr | 140 | 100.0 | 100.0 | 100.0 | 96.5 | 0.0 |
| CK | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
1: barnyard grass grass, amur foxtail; 2: Amaranthus retroflexus, knotweed, lamb's-quarters
Conclusion: the actual preventive effect when fomesafen and imazethapyr are used with is higher than it and uses the expectancy theory preventive effect with, proves that fomesafen and imazethapyr used synergistic effect with.
Claims (9)
1, the Herbicidal combinations of a kind of fomesafen and imazethapyr, it is characterized in that: it contains compound fomesafen and imazethapyr as the activity of weeding composition, wherein the weight of fomesafen is counted 1-89%, the weight of imazethapyr is counted 1-89%, and the weight of fomesafen+imazethapyr is counted 2-90%.
2, Herbicidal combinations according to claim 1 is characterized in that: it can be made into aqua, wetting powder, aqueous suspension agent, missible oil, pulvis, granule and dry suspending agent.
3, Herbicidal combinations according to claim 2 is characterized in that: contain the mixture that weight is counted two kinds of herbicidal active components of 5-80% in the wetting powder.
4, Herbicidal combinations according to claim 2 is characterized in that: contain the mixture that weight is counted two kinds of herbicidal active components of 2-60% in the aqueous suspension agent.
5, Herbicidal combinations according to claim 2 is characterized in that: contain the mixture that weight is counted two kinds of herbicidal active components of 5-80% in the missible oil.
6, Herbicidal combinations according to claim 2 is characterized in that: contain the mixture that weight is counted two kinds of herbicidal active components of 2-70% in the pulvis.
7, Herbicidal combinations according to claim 2, it is characterized in that: granule dispersible granules agent in water contains the mixture that weight is counted two kinds of herbicidal active components of 5-90%, contains the mixture that weight is counted two kinds of herbicidal active components of 5-75% in the granule and spread fertilizer over the fields.
8, Herbicidal combinations according to claim 2 is characterized in that: contain the mixture that weight is counted two kinds of herbicidal active components of 2-80% in the dry suspending agent.
9, Herbicidal combinations according to claim 2 is characterized in that: contain the mixture that weight is counted two kinds of herbicidal active components of 2-70% in the aqua.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031270239A CN1297195C (en) | 2003-05-12 | 2003-05-12 | Herbicide composition of fomesafen and imazethapyr |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031270239A CN1297195C (en) | 2003-05-12 | 2003-05-12 | Herbicide composition of fomesafen and imazethapyr |
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| CN1547910A CN1547910A (en) | 2004-11-24 |
| CN1297195C true CN1297195C (en) | 2007-01-31 |
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| CNB031270239A Expired - Fee Related CN1297195C (en) | 2003-05-12 | 2003-05-12 | Herbicide composition of fomesafen and imazethapyr |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550565B (en) * | 2012-01-17 | 2014-04-02 | 山东潍坊润丰化工股份有限公司 | Imazethapyr water dispersible granules and preparation method thereof |
| CN103651370A (en) * | 2012-09-20 | 2014-03-26 | 江苏长青农化股份有限公司 | 5% imazethapyr water agent |
| CR20160351A (en) * | 2014-01-08 | 2016-12-20 | Basf Agrochemical Products Bv | HERBICIDE BLENDS THAT INCLUDE IMAZETHAPYR, IMAZAMOX AND FOMESAFEN, SULFENTRAZONE OR BENTAZONE |
| CN105010356A (en) * | 2015-08-05 | 2015-11-04 | 陆月霞 | Herbicide composition for soybean field |
| CN105638640B (en) * | 2016-02-24 | 2018-12-07 | 广西大学 | It is a kind of to prevent and kill off water hyacinth simultaneously He the method for great Piao |
| CN106359385A (en) * | 2016-08-29 | 2017-02-01 | 南京华洲药业有限公司 | Mixed herbicide containing imazapic and fomesafen |
| CN110250189A (en) * | 2019-06-26 | 2019-09-20 | 轩凯生物科技(滁州)有限公司 | A kind of combined herbicide containing gamma-polyglutamic acid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177442A (en) * | 1996-09-25 | 1998-04-01 | 大连瑞泽农药股份有限公司 | Fluosulfonamide oxalether cream |
| CN1239403A (en) * | 1997-02-18 | 1999-12-22 | 住友化学工业株式会社 | Herbicidal compsn. |
| CN1270500A (en) * | 1997-09-17 | 2000-10-18 | 美国氰胺公司 | Synergistic herbicidal methods and compositions |
-
2003
- 2003-05-12 CN CNB031270239A patent/CN1297195C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177442A (en) * | 1996-09-25 | 1998-04-01 | 大连瑞泽农药股份有限公司 | Fluosulfonamide oxalether cream |
| CN1239403A (en) * | 1997-02-18 | 1999-12-22 | 住友化学工业株式会社 | Herbicidal compsn. |
| CN1270500A (en) * | 1997-09-17 | 2000-10-18 | 美国氰胺公司 | Synergistic herbicidal methods and compositions |
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| CN1547910A (en) | 2004-11-24 |
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Owner name: JILIN RUIYE PESTICIDE LTD. Free format text: FORMER NAME OR ADDRESS: MINGHUA PESTICIDE CO., LTD., GONGZHULING |
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Address after: 136100 Gongzhuling national agricultural science and Technology Park in Jilin Province, Raj Industrial Park Patentee after: Jilin Ruifeng pesticide Co., Ltd. Address before: 136100 No. 159 Princess Street, Jilin, Gongzhuling Patentee before: Minghua Pesticide Co., Ltd., Gongzhuling |
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Granted publication date: 20070131 Termination date: 20100512 |