CN1401232A - Herbicidal composition contg. fenoxaprop-P-ethyl, its preparation method and use - Google Patents
Herbicidal composition contg. fenoxaprop-P-ethyl, its preparation method and use Download PDFInfo
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- CN1401232A CN1401232A CN 01123986 CN01123986A CN1401232A CN 1401232 A CN1401232 A CN 1401232A CN 01123986 CN01123986 CN 01123986 CN 01123986 A CN01123986 A CN 01123986A CN 1401232 A CN1401232 A CN 1401232A
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- methyl
- fenoxaprop
- ethyl
- herbicidal combinations
- pyrazosulfuron
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Abstract
An improved herbicide composition for the weeds in paddy rice field, its preparing process, and its use are disclosed. it is a mixture of ethyl (R)-2-[4[(6-Cl-1,3-benzoxazol-2-yl oxy) phenoxy] propioate and one of quinclorac, bensulfuron-methyl and pyrazosulfuron-ethyl. It has high effect.
Description
Technical field
The present invention relates to have the Herbicidal combinations that improves performance.
The fenoxapnop-p-ethyl general by name of compound (A) (high fenoxaprop-P), chemistry (R)-2-[4-by name (6-chloro-1,3-benzoxazoles-2-base oxygen) phenoxy group] ethyl propionate is a kind of novel herbicide.This weed killer herbicide can be used for crop fields such as paddy rice, soybean, wheat, the control grassy weed, but it is limited that base kills the grass spectrum, undesirable for broadleaved herb common in the paddy field and part grassy weed preventive effect, in addition also not mentioned it and other compound compositions of patent both at home and abroad.Therefore the immixture of it and other compound is unforeseen.
Summary of the invention
Herbicidal combinations provided by the invention, it is characterized in that comprising component (A) (R)-2-[4[(6-chloro-1,3-benzoxazoles-2-base oxygen) phenoxy group] ethyl propionate (fenoxapnop-p-ethyl) is wherein as compound (A) and at least a specific other Herbicidal combinations (B) of active princlple formula (1) representative
Be selected from one group of compound (B) that dichloro quinolinic acid (quinclorac), bensulfuron-methyl (bensutfrnon methyl), pyrazosulfuron (pyrazosulfuron-ethyl) are formed with at least a, their chemical name is respectively:
Dichloro quinolinic acid: 3,7-dichloro quinolinic acid (quinclorac B
1)
Bensulfuron-methyl: 2-{[(4,6-dimethyl pyrimidine-2 base) amino carbonyl amino] the sulfonyl methyl } methyl benzoate (bensutfrnon methyl B
2)
Pyrazosulfuron: 5-(4,6-methoxy pyrimidine-2-carbamyl sulfonamides)-1-methylpyrazole is-2 ethyl ester (pyrazosulfuron-ethyl B secondly
3)
Weight ratio between compound in Herbicidal combinations of the present invention (A) and the compound (B) generally is:
(A) with dichloro quinolinic acid (B
1) be preferably 0.01-0.1 for 0.01-10
(A) with bensulfuron-methyl (B
2) be preferably 0.5-3 for 0.05-10
(A) with pyrazosulfuron (B
3) be preferably 0.5-2 for 0.05-10
Herbicidal combinations provided by the present invention possesses the characteristics of broad weed-killing spectrum, can effectively prevent and kill off barnyard grass grass common between the paddy field, moleplant seed, short arrowhead, Monochoria vaginalis, pondweed etc., preventive effect is significantly higher than the preventive effect of compound alone (A), and has reduced the application dosage of various active material significantly.
The present invention is used for behind paddy field rice transplanting or the rice transplanting 3-5 days, and weeds 2-3 leaf phase that all sprouts is done the cauline leaf spraying and handles.The method of handling can be by adding the good composition of formula or before use the different activities component being mixed and carried out.
Adoptable surface-active 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 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 carboxylate of the anhydrous sorbierite that the alkali salt condensation forms solubility etc.That can give an example has farming breast No. 2000 series, petroleum sodium sulfonate, dodecyl sodium sulfates, draws back powder, lauryl alcohol polyethylene glycol oxide base ether sulfonic acid sodium, tween series etc.
The present invention contains mixture, inert carrier and filler and one or more wetting agents and the dispersant that contains each active component in the Herbicidal combinations wetting powder of nicosulfuron.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 0.5-90% (weight) (the more excellent 5-80% of being) usually, the dispersant of 0.25-25% (more excellent is 1-25%) (weight), (more excellent be 5-80%o and inert solid carrier and filler to 5-95% (weight).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 0.1-90% (weight) (the more excellent 0.5-60% of being).The upper limit is decided by the solubility limit of active component in solvent.
Herbicidal combinations missible oil of the present invention is that the active ingredient with Herbicidal combinations is 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.Active constituent content is approximately 0.1-90% (weight) in the missible oil, and more excellent is 5-80%.
Herbicidal combinations pulvis of the present invention is through abrasive dust processing and make with active ingredient and fine grain dispergated solid matter such as talcum powder, natural clay and kaolin, bentonite, pyrophyllite or the diatomite of being.Pulvis contains effective composition and is approximately 0.1-50% (weight), and more excellent is 2-40%.
The preparation of granule of the present invention is that active ingredient is sprayed at particulate inert material surface with absorption property or active 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 the active ingredient that some is suitable be processed into granule with the method for common manufacturing granular fertilizer.Its active constituent content of dispersible granules agent (weight) between 5-90% in the water spreads fertilizer over the fields active constituent content (weight) between 1-50% in the granule, is preferably between the 1-25%.
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 2-5 is a biological Examples.
Embodiment 1:
The a suspending agent
Active component A with 2% (purity≤90%) and 20% active component B (purity 81%) and 0201B as emulsifier 5%, 5% JFC as wetting agent, 3% draw back powder and, in colloid mill, be ground to particle diameter and get final product below 5 microns as dispersant as 3% n-butanol of defoamer mixing successively.
The b wetting powder:
40 parts of heavy compositions usefuls and the 2 parts heavy neopelex as wetting agent, the 5 parts heavy sodium lignin sulfonate that is used as dispersant and the kaolin of 53 parts of weights are formed through ultramicro grinding in airslide disintegrating mill.
The c pulvis
With mixing of 10 parts of heavy compositions usefuls and 90 parts of weights, in high speed disintegrator, pulverize and evenly form as the talcum powder of inert substance.
D missible oil
The active ingredient composition of 50 parts of weights is dissolved in toluene as solvent, forms among the agricultural newborn 0201B as emulsifier of 10 parts of weights.
The e granule: by the active ingredient composition of 20 parts of weights, the sodium lignin sulfonate of 30 parts of weights, the dodecyl sodium sulfate of 15 parts of weights, the kaolin of 15 parts of heavy polyvinyl alcohol and 15 parts of weights is made.Embodiment 2 high fenoxaprop-Ps and dichloro quinolinic acid are used the control efficiency (%) to the transplanting rice field weed with
The place: transplant the Xinyi: June 13
Dispenser: transplant 6 days " Invest, Then Investigate "s: 30 day time behind the medicine: calendar year 2001
| Medicament | Formulation rate (g/ mu) | Moleplant seed | The barnyard grass grass | Monochoria vaginalis |
| High fenoxaprop-P | ????0.5 | ????67.3 | ????52.3 | ????45.2 |
| High fenoxaprop-P | ????1 | ????78.9 | ????75.7 | ????54.3 |
| Dichloro quinolinic acid | ????15 | ????47.3 | ????48.3 | ????65.2 |
| Dichloro quinolinic acid | ????30 | ????52.1 | ????89.4 | ????75.3 |
| High+two | ????0.5+15 | ????76.4 | ????78.9 | ????83.4 |
| High+two | ????1+30 | ????90.3 | ????95.4 | ????92.5 |
Conclusion: the actual preventive effect that high fenoxaprop-P and dichloro quinolinic acid are used with is higher than it and uses the expectancy theory preventive effect with, proves between high fenoxaprop-P and the dichloro quinolinic acid and has used synergistic effect with.
The grand control efficiency of using with the transplanting rice field weed (%) of embodiment 3 high fenoxaprop-Ps and benzyl azoles sulphur
The place: transplant the Xinyi: June 13
Dispenser: transplant 6 days " Invest, Then Investigate "s: 30 day time behind the medicine: calendar year 2001
| Medicament | Formulation rate (g/ mu) | Moleplant seed | The barnyard grass grass | Monochoria vaginalis | Short arrowhead |
| High fenoxaprop-P | ????0.5 | ????65.3 | ????67.3 | ????42.3 | ????45.3 |
| High fenoxaprop-P | ????1 | ????75.4 | ????82.4 | ????54.5 | ????58.7 |
| Bensulfuron-methyl | ????0.5 | ????32.1 | ????43.2 | ????67.5 | ????65.2 |
| Bensulfuron-methyl | ????1 | ????43.4 | ????53.5 | ????78.1 | ????80.3 |
| Height+benzyl | ????0.5+1 | ????78.9 | ????85.3 | ????90.4 | ????91.3 |
| Height+benzyl | ????1+1 | ????85.4 | ????92.1 | ????95.2 | ????96.5 |
Conclusion: the actual preventive effect that high fenoxaprop-P and bensulfuron-methyl are used with is higher than it and uses the expectancy theory preventive effect with, proves between high fenoxaprop-P and the bensulfuron-methyl and has used synergistic effect with.
Embodiment 4 high fenoxaprop-Ps and pyrazosulfuron are used the control efficiency (%) to the transplanting rice field weed with
The place: transplant the Xinyi: June 13
Dispenser: transplant 6 days " Invest, Then Investigate "s: 30 day time behind the medicine: calendar year 2001
| Medicament | Formulation rate (g/ mu) | Moleplant seed | The barnyard grass grass | Monochoria vaginalis | Pondweed |
| High fenoxaprop-P | ????0.5 | ????65.3 | ????723 | ????52.3 | ????47.5 |
| High fenoxaprop-P | ????1 | ????82.1 | ????85.4 | ????67.4 | ????55.7 |
| Pyrazosulfuron | ????0.5 | ????43.4 | ????53.4 | ????71.3 | ????75.3 |
| Pyrazosulfuron | ????1 | ????52.7 | ????78.1 | ????82.5 | ????83.2 |
| Height+pyrrole | ????0.5+0.5 | ????85.3 | ????90.3 | ????95.1 | ????93.4 |
| Height+pyrrole | ????1+1 | ????92.5 | ????92.5 | ????97.8 | ????95.3 |
Conclusion: the actual preventive effect that high fenoxaprop-P and pyrazosulfuron are used with is higher than it and uses the expectancy theory preventive effect with, proves between high fenoxaprop-P and the pyrazosulfuron and has used synergistic effect with.
Embodiment 5 high fenoxaprop-Ps and dichloro quinolinic acid, bensulfuron-methyl are used the control efficiency (%) to the rice transplanting paddy field weed with
The place: transplant the Xinyi: June 13
Dispenser: transplant 6 days " Invest, Then Investigate "s: 30 day time behind the medicine: calendar year 2001
| Medicament | Formulation rate (g/ mu) | Moleplant seed | The barnyard grass grass | Monochoria vaginalis | Pondweed |
| High fenoxaprop-P | ????0.4 | ????60.2 | ????53.4 | ????41.3 | ????40.2 |
| High fenoxaprop-P | ????0.8 | ????75.3 | ????74.7 | ????52.4 | ????54.3 |
| Dichloro quinolinic acid | ????10 | ????45.3 | ????65.3 | ????55.2 | ????37.3 |
| Dichloro quinolinic acid | ????20 | ????52.1 | ????87.5 | ????64.3 | ????45.4 |
| Bensulfuron-methyl | ????0.5 | ????43.5 | ????30.2 | ????65.2 | ????58.9 |
| Bensulfuron-methyl | ????1 | ????52.4 | ????45.3 | ????73.4 | ????68.7 |
| High+two | ????0.4+10+0.5 | ????85.7 | ????90.5 | ????93.5 | ????94.3 |
| High+two | ????0.8+20+1 | ????95.4 | ????98.7 | ????99.7 | ????98.5 |
Conclusion: the actual preventive effect that high fenoxaprop-P and dichloro quinolinic acid, bensulfuron-methyl are used with is higher than it and uses the expectancy theory preventive effect with, proves between high fenoxaprop-P and dichloro quinolinic acid, the bensulfuron-methyl and has used synergistic effect with.
Claims (5)
1. Herbicidal combinations that contains high fenoxaprop-P, it is characterized in that comprising compd A (fenoxaprop-p-ethyl) ((R)-2-[4-(6-chloro-1,3-benzoxazoles-2-base oxygen) phenoxy group] ethyl propionate) and at least a compd B that is selected from following one group of compound.
The structural formula of A is:
Compd B is respectively: dichloro quinolinic acid: 3, and 7-dichloro quinolinic acid (quinclorac B
1)
Bensulfuron-methyl: 2-{[(4,6-dimethyl pyrimidine-2 base) amino carbonyl amino] the sulfonyl methyl } methyl benzoate (bensutfrnon methyl B
2)
Pyrazosulfuron: 5-(4,6-methoxy pyrimidine-2-carbamyl sulfonamides)-1-methylpyrazole is-2 ethyl ester (pyrazosulfuron-ethyl B secondly
3)
2. Herbicidal combinations according to claim 1 is characterized in that the weight ratio between compound in the Herbicidal combinations (A) and the compound (B) is:
(A) with dichloro quinolinic acid (B
1) be preferably 0.01-0.1 for 0.01-10
(A) with bensulfuron-methyl (B
2) be preferably 0.5-3 for 0.05-10
(A) with pyrazosulfuron (B
3) be preferably 0.5-2 for 0.05-10
3. composition according to claim 1, the effective component content that it is characterized in that composition is 2-80%.
4. a preparation method who contains the Herbicidal combinations of high fenoxaprop-P is characterized in that, the formulation that medicament can be processed into conventional plant protection product is a suspending agent, wetting powder, pulvis, missible oil, granule.
5. purposes that contains the Herbicidal combinations of high fenoxaprop-P, composition A+B
1, A+B
2, A+B
3, A+B
1+ B
2Can be used for paddy field and prevent and kill off barnyard grass grass, moleplant seed, short arrowhead, Monochoria vaginalis, pondweed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01123986 CN1401232A (en) | 2001-08-10 | 2001-08-10 | Herbicidal composition contg. fenoxaprop-P-ethyl, its preparation method and use |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01123986 CN1401232A (en) | 2001-08-10 | 2001-08-10 | Herbicidal composition contg. fenoxaprop-P-ethyl, its preparation method and use |
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| Publication Number | Publication Date |
|---|---|
| CN1401232A true CN1401232A (en) | 2003-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01123986 Pending CN1401232A (en) | 2001-08-10 | 2001-08-10 | Herbicidal composition contg. fenoxaprop-P-ethyl, its preparation method and use |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315383C (en) * | 2001-12-26 | 2007-05-16 | 安徽华星化工股份有限公司 | Herbicide composition for wheat field |
| WO2007071730A3 (en) * | 2005-12-23 | 2008-04-10 | Basf Ag | A method for controlling aquatic weeds |
| CN100431414C (en) * | 2004-11-04 | 2008-11-12 | 江苏天容集团股份有限公司 | Superior paddy field haulm herbicide |
| CN102265887A (en) * | 2011-05-20 | 2011-12-07 | 郑晋元 | Herbicide for direct seeding rice farmland running to weeds and application method thereof |
| US8080497B2 (en) | 2005-12-23 | 2011-12-20 | Basf Se | Method of controlling the aquatic weed Hydrilla verticillata |
| CN103749503A (en) * | 2013-12-24 | 2014-04-30 | 江苏天容集团股份有限公司 | Paddy field weeding composition capable of extending weeding range |
| US9210930B2 (en) | 2005-12-23 | 2015-12-15 | Basf Se | Control of submerged aquatic vegetation |
-
2001
- 2001-08-10 CN CN 01123986 patent/CN1401232A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315383C (en) * | 2001-12-26 | 2007-05-16 | 安徽华星化工股份有限公司 | Herbicide composition for wheat field |
| CN100431414C (en) * | 2004-11-04 | 2008-11-12 | 江苏天容集团股份有限公司 | Superior paddy field haulm herbicide |
| WO2007071730A3 (en) * | 2005-12-23 | 2008-04-10 | Basf Ag | A method for controlling aquatic weeds |
| US8080497B2 (en) | 2005-12-23 | 2011-12-20 | Basf Se | Method of controlling the aquatic weed Hydrilla verticillata |
| US9060516B2 (en) | 2005-12-23 | 2015-06-23 | Basf Se | Method for controlling aquatic weeds |
| US9210930B2 (en) | 2005-12-23 | 2015-12-15 | Basf Se | Control of submerged aquatic vegetation |
| CN102265887A (en) * | 2011-05-20 | 2011-12-07 | 郑晋元 | Herbicide for direct seeding rice farmland running to weeds and application method thereof |
| CN103749503A (en) * | 2013-12-24 | 2014-04-30 | 江苏天容集团股份有限公司 | Paddy field weeding composition capable of extending weeding range |
| CN103749503B (en) * | 2013-12-24 | 2016-01-27 | 江苏天容集团股份有限公司 | Expand the Herbicidal composition for paddy fields of weeding scope |
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