CN101874489A - Herbicidal composition containing quinclorac and metazachlor - Google Patents
Herbicidal composition containing quinclorac and metazachlor Download PDFInfo
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- CN101874489A CN101874489A CN2010101516419A CN201010151641A CN101874489A CN 101874489 A CN101874489 A CN 101874489A CN 2010101516419 A CN2010101516419 A CN 2010101516419A CN 201010151641 A CN201010151641 A CN 201010151641A CN 101874489 A CN101874489 A CN 101874489A
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- quinclorac
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Abstract
The invention provides to a herbicidal composition containing quinclorac and metazachlor and a preparation method and application. The composition is the mixture of the compound (A) quinclorac and the compound (B) metazachlor. The composition is characterized in that the weight ratio of quinclorac to metazachlor is 1-50:1-50; and after quinclorac and metazachlor are mixed according to appropriate proportion, the mixture of quinclorac and metazachlor can be processed into wettable powder, water-dispersible granules, suspending agents and other conventional formulations of pesticide through the modern pesticide preparation processing technology. The herbicidal composition can effectively prevent and kill off the annual grass weeds and such broadleaf weeds in the rape fields as amaranth, chamomile, matricary, knotweeds, mustard, eggplants, chickweeds, catchweeds, cocklebur, amaranth ragweeds, smartweeds, Malachium aquaticum(L.) Fries, speedwell and the like. The control effect of the composition is obviously better than that of the single compound (A) or compound (B), thus substantially reducing the application dosage of various active substances.
Description
Technical field:
The present invention relates to have the Herbicidal combinations that improves performance, specifically relate to a kind of Herbicidal combinations that contains dichloro quinolinic acid and metazachlor.
Background technology:
The adopted name of compound (A) is a dichloro quinolinic acid, and chemical name is 3-7-two chloro-8-Quinoline Carboxylic Acids.
Its structural formula is:
Dichloro quinolinic acid, English common name quinclorac.Be by BASF Aktiengesellschaft's exploitation, obtained patent EP 60429 (1983); US 4497651 (1985); 4632696 (1987); DE 3108873 (19820; 32027736 (1983).Spain and Korea S introduced the production technology of dichloro quinolinic acid in 1989 from BASF AG.China is carried out the research and development of dichloro quinolinic acid the earliest by Shenyang Chemical Engineering Inst.
Dichloro quinolinic acid is the quinoline carboxylic acid weed killer herbicide of similar hormone-type, and the seed that medicament can be sprouted, root, stem and leaf portion absorb rapidly, and rapidly to stem and top conductive, weeds is poisoned to death, and is similar with the effect symptom of auxin substance.Dichloro quinolinic acid is mainly used in and prevents and kill off 1-7 leaf phase barnyard grass grass in the rice field at present, can also prevent and kill off the weeds of Monochoria vaginalis, Chinese celery, ambatch, sesbania, Cassia tora and the class of leading a cow effectively, but relatively poor to the preventive effect of sedge weed.
The chemical name of compound (B) metazachlor is: 2-chloro-N-(pyrazol-1-yl methyl) acetyl-2 ', 6 '-dimethylaniline.
The structural formula of compound (B) is as follows:
The English name of metazachlor is: and meatazachlor (BSI, ISO-E), meatazachlore (ISO-F).The CA registration number is: 67129-08-2.Metazachlor is that BASF Aktiengesellschaft is developed by BASF AG.Obtained patent R084824 (1984), BR 7800632 (1980); EP23308 (1981).
Metazachlor can be prevented and kill off rape, soybean, potato, grassy weed and broadleaf weed in tobacco and the transplanting cabbage field.The main weeds that metazachlor is prevented and kill off has annual gramineous weed and broad leaved weeds such as amaranth, yellow chamomile, german chamomile, knotweed, mustard, eggplant, chickweed, nettle and Veronica such as mouse tail amur foxtail, phoenix grass, wild oat, lady's-grass, barnyard grass, annual bluegrass, green foxtail, and the metazachlor formulation of using on market at present is mainly suspending agent.
The application of dichloro quinolinic acid in the paddy field is more universal, but for the application rape Tanaka, especially arrives in that the domestic and international patent of using with of rape Tanaka and metazachlor is also not mentioned; Therefore the immixture of dichloro quinolinic acid and metazachlor is unforeseen.
Summary of the invention:
The Herbicidal combinations that the purpose of this invention is to provide dichloro quinolinic acid and metazachlor, after suitable ratio mixing, by modern pesticidal preparations process technology, the mixture of the two is processed into conventional pesticide formulations such as wetting powder, water dispersible granules, suspending agent, is used to prevent and kill off rape Tanaka's annual gramineous weed and broad leaved weeds such as amaranth, yellow chamomile, german chamomile, knotweed, mustard, eggplant, chickweed, nettle, Veronica, chickweed, ox chickweed and clearvers such as amur foxtail, phoenix grass, wild oat, lady's-grass, barnyard grass, annual bluegrass, green foxtail.
Herbicidal combinations provided by the invention is characterized in that comprising compound (A) dichloro quinolinic acid and compound (B) metazachlor.
Weight ratio between compound in Herbicidal combinations of the present invention (A) and the compound (B) is:
(A) dichloro quinolinic acid is 1-50: 1-50 with (B) metazachlor
Herbicidal combinations provided by the present invention can effectively be prevented and kill off annual gramineous weed and broad leaved weeds such as amaranth, yellow chamomile, german chamomile, knotweed, mustard, eggplant, chickweed, nettle, Veronica, chickweed, ox chickweed and clearvers such as rape Tanaka's amur foxtail, phoenix grass, wild oat, lady's-grass, barnyard grass, annual bluegrass, green foxtail.Preventive effect is significantly higher than the preventive effect of compound alone (A) or compound (B), and can reduce the application dosage of each bioactivator.
The present invention is used for rape field weeding, and weeds all sprout and do cauline leaf spraying processing.
Adoptable surfactant has anionic surfactant and nonionic surface active agent.The aliphatic alcohol sulfate that comprises Sulfates, alkylol polyoxyethylene groups ether sodium sulfate etc., the sodium alkyl sulfonate of Sulfonates, alkylbenzenesulfonate, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl phenyl polyoxyethylene groups ether succinic acid sulfonate, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate, fatty alcohol epoxy vinyl ether, alkylphenol-polyethenoxy base ether, the anhydrous sorbitol fatty acid ester, anhydrous sorbitol aliphatic acid polyethenoxy base 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 a main product or by esterification not free radical and oxirane, the alkalies and alkaline earth salt of sulfuric ester and sulfonic acid is as sulphonyl amber ester octyl group sodium in two ninth of the ten Heavenly Stems and such as the alkali of the macromolecule sulfonic acid derivative of sodium lignin sulfonate and calcium and carboxylate of the anhydrous sorbierite that the alkali salt condensation forms etc.That can give an example has farming breast No. 2000 series, petroleum sodium sulfonate, dodecyl sodium sulfates, draws back powder, ethoxylated dodecyl alcohol sodium sulfonate, tween series etc.
Mixture, inert carrier and the filler and one or more lubricants and the dispersant that contain various active components in the Herbicidal combinations wetting powder of the present invention.Carrier is generally mineral inert substance such as potter's clay, kaolin, bentonite, talcum powder, diatomite etc.The wetting powder of the Herbicidal combinations of this invention contains the active component mixture of 1-90% (weight) (the more excellent 5-80% of being) usually, the dispersant of 0.5-25% (more excellent is 1-25%) (weight), 5-95% (weight) (more excellent is 5-80%) and inert solid carrier and filler.Form Herbicidal combinations jointly by them.
Mixture, inert carrier and the filler and one or more lubricants and the dispersant that contain various active components in the Herbicidal combinations water dispersible granules of the present invention.Carrier is generally mineral inert substance such as potter's clay, kaolin, bentonite, talcum powder, diatomite etc.The water dispersible granules of the Herbicidal combinations of this invention contains the dispersant of the active component mixture 0.1-25% (the more excellent 1-25% of being) (weight) of 1-90% (weight) (the more excellent 5-80% of being), 5-95% (weight) (more excellent is 5-80%) and inert solid carrier and filler usually.Form Herbicidal combinations jointly by them.
The suspending agent of Herbicidal combinations of the present invention is that water-soluble relatively poor active component is constantly stirred in water with emulsifier, dispersant, wetting agent etc., makes it evenly to disperse and suspend, so that spraying is used.Can suitably add thickener, antifreezing agent, defoamer etc. as required.Suitable suspending agent comprises the active component of 0.1-60% (weight) (the more excellent 3-50% of being).
Embodiment:
Following examples describe the present invention in detail.Embodiment mainly is for the present invention is described, but not is used for limiting the present invention.
Embodiment 1 is the formulation preparation example, and embodiment 2 is a biological Examples,
Embodiment 1:
The a wetting powder: with the graininess white carbon of the neopelex as wetting agent of 60 parts of heavy active ingredient compositions and 2 parts heavy, 2 parts heavy JFC, 10 parts of weights as wetting agent as adsorbent, the 10 parts heavy sodium lignin sulfonate that is used as dispersant and the kaolin of 16 parts of weights through ultramicro grinding, can obtain wetting powder in airslide disintegrating mill.
B water dispersible granules: the active ingredient (B) of the active ingredient (A) of 45 parts of weights, 35 parts of weights, the 10 parts heavy carboxylate as wetting dispersion, the 5 parts heavy sodium lignin sulfonate that is used as dispersant and the kaolin of 5 parts of weights are carried out stirring-granulating or promptly obtain water dispersible granules again by fluidized bed prilling after super-dry through adding an amount of water after the ultramicro grinding in airslide disintegrating mill.
The c suspending agent:
Active component with 15% (A) and 15% active component (B) and carboxylate as emulsifier 5%, JFC as wetting agent 3%, as 3% calcium dodecyl benzene sulfonate of dispersant and as 3% n-butanol of defoamer mixing successively, add entry again and supply 100%, in colloid mill, be ground to particle diameter and can obtain suspending agent below 5 microns.
Embodiment 2, dichloro quinolinic acid and metazachlor are used the preventive effect to rape field weed with
Place: Jiangsu, Xinyi
Dispenser period: the weeds 2-3 leaf phase is investigated: the 30 day time behind the medicine: 2008
Conclusion: the actual preventive effect that dichloro quinolinic acid and metazachlor are used with is higher than it and uses the expectancy theory preventive effect with, with
In time, can enlarge and kills the grass spectrum, proves that dichloro quinolinic acid and metazachlor have been used synergy with and careless spectrum effect is killed in expansion.
Claims (3)
1. Herbicidal combinations that contains dichloro quinolinic acid and metazachlor is characterized in that the weight ratio between (A) dichloro quinolinic acid of chemical combination in the Herbicidal combinations and compound (B) metazachlor:
(A) dichloro quinolinic acid and metazachlor (B) are 1-50: 1-50
2. composition according to claim 1 is characterized in that the effective ingredient of composition is-90% by weight.
3. Herbicidal combinations according to claim 1 is characterized in that composition can be processed into wetting powder, water dispersible granules, suspending agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101516419A CN101874489A (en) | 2010-04-21 | 2010-04-21 | Herbicidal composition containing quinclorac and metazachlor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101516419A CN101874489A (en) | 2010-04-21 | 2010-04-21 | Herbicidal composition containing quinclorac and metazachlor |
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| Publication Number | Publication Date |
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| CN101874489A true CN101874489A (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101516419A Pending CN101874489A (en) | 2010-04-21 | 2010-04-21 | Herbicidal composition containing quinclorac and metazachlor |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101677550A (en) * | 2007-03-30 | 2010-03-24 | 陶氏益农公司 | Synergistic herbicidal composition containing chloroacetanilides and picolinic acids |
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2010
- 2010-04-21 CN CN2010101516419A patent/CN101874489A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101677550A (en) * | 2007-03-30 | 2010-03-24 | 陶氏益农公司 | Synergistic herbicidal composition containing chloroacetanilides and picolinic acids |
Non-Patent Citations (1)
| Title |
|---|
| 叶贵标: "除草剂作用机理分类法及其应用", 《农药科学与管理》 * |
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Application publication date: 20101103 |