CN103210947A - Wheatfield weed killer composition containing flucarbazone-sodium - Google Patents
Wheatfield weed killer composition containing flucarbazone-sodium Download PDFInfo
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- CN103210947A CN103210947A CN2013101703584A CN201310170358A CN103210947A CN 103210947 A CN103210947 A CN 103210947A CN 2013101703584 A CN2013101703584 A CN 2013101703584A CN 201310170358 A CN201310170358 A CN 201310170358A CN 103210947 A CN103210947 A CN 103210947A
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Abstract
The invention discloses a wheatfield weed killer composition containing flucarbazone-sodium and relates to synergistic wheatfield weed killer composition in which one of active components is flucarbazone-sodium and the other active component is clodinafop acid or penoxsulam and application of the synergistic wheatfield weed killer composition for preventing and controlling catcher gramineous weeds.
Description
Technical field
The present invention relates to a kind of boosting agriculture herbicidal composition, more particularly, it is grand for fluorine azoles sulphur to the present invention relates to wherein one of active component, and another active component is the synergy wheat field herbicide composition of alkynes oxalic acid or penoxsuam and the purposes that this synergy wheat field herbicide composition is used to prevent and treat cornfield gramineae weed.
Background technology
Before 2006, cornfield herbicidal mainly is to use the agent of tribenuron-methyl list, because use for years makes each regional weeds resistance strengthen.Add that these agricultural chemicals are longer service life, dosage increases year by year, thereby cause the original weak tendency grass of wheatland system just progressively to be transformed into surging grass is.Along with the raising of rapid economy development and living standards of the people, people are more and more higher to the requirement of wheat quality and output.The production of green crop presses for when reducing the production loss that is caused by disease, crop smothering as far as possible, the consumption of minimizing chemical pesticide and residual, and therefore the natural quality of maintenance wheat, is developed new control medicament and is seemed very important and urgent.
Fluorine azoles sulphur swells (Flucarbazone-Na), chemical name: 1H-1,2,4-triazole-1-carbamyl-4,5-2H-3-methoxyl group-4-methyl-5-O-N-[[2-(trifluoro methoxy) benzene] sulphonyl]-sodium salt, be the efficient wheat paddock weed killer herbicide of sulfonylurea internal-suction type, grassy weeds such as wild oat, bromegrass, amur foxtail and multiple broadleaf weed are had obvious preventive effect.Its import name is called young tiger tiger, is a kind of brand-new compound, and its active ingredient can be absorbed by the root of weeds and cauline leaf, by suppressing the activity of acetolactate synthestase in the weeds body, destroys the normal Physiological and Biochemical Metabolism of weeds and brings into play activity of weeding.Young tiger tiger can effectively be prevented and kill off the most of grassy weed of wheat paddock, simultaneously also effective control section broad leaved weed.Young tiger tiger can very fast metabolism in the wheat body, and wheat is had fabulous safety.
Alkynes oxalic acid (Clodinafop-propargyl); chemical name is (R)-2-[4-(5-chloro-3-fluoro-2-pyridine oxygen base) phenoxy group]-the propionic acid propargyl ester; other title: the careless ester of top, alkynes; it is the fluorine-containing high-efficiency low-toxicity weed killer herbicide of phenoxy carboxylic acid chirality that Switzerland is just reaching earlier the exploitation of crop protection Co., Ltd; effective especially to pernicious grassy weed; mix with certain proportion with safener; be used for cereal crop, grassy weed such as Salvia japonica, amur foxtail, wild oat, perennial ryegrass, annual bluegrass, green foxtail etc. are had excellent preventive effect.The mode of action: wide spectrum grassy weed foliar herbicide behind the interior absorption seedling.The mechanism of action: the mechanism of action of alkynes grass ester is for suppressing the activity of acetyl-CoA carboxylase in the plant corpus, be interior suction conductivity weed killer herbicide, blade and leaf sheath by plant corpus absorb, the phloem conduction accumulates in the meristematic tissue of plant corpus, suppresses acetyl-CoA carboxylase, fatty acid is synthesized to be stopped, the growth division of cell can not normally be carried out, and film system etc. contains the fat structural deterioration, causes plant death at last.
Penoxsuam (penoxsulam), chemical name are 3-(2, the 2-difluoroethoxy)-N-(5,8-dimethoxy [1,2,4] triazol [1,5-c] pyrimidine-2-base)-α, α, α-fluoroform phenyl-2-sulfonamide, this medicine absorbs via grass cutting blade, sheath portion or root, conduct to meristematic tissue, cause weed growth to stop, yellow, dead then.Grassy weed, nutgrass flatsedge and broadleaved herb there is good preventive effect.
Have now found that, fluorine azoles sulphur is grand composite with alkynes oxalic acid, perhaps fluorine azoles sulphur is grand will all have good control efficiency to the cornfield gramineae weed control procedure with penoxsuam is composite, and the stack that exceeds each composition activity of the effect that it showed or activity level, have unforeseeable synergistic function.
Summary of the invention
One of goal of the invention of the application is to provide a kind of mixed ratio reasonable, and control efficiency is good, the synergetic pesticide composition that drug cost is low.
Another object of the present invention is to provide the purposes that this synergetic pesticide composition is used to prevent and treat cornfield gramineae weed.
Technical scheme of the present invention is as described below:
A kind of wheat field herbicide composition, wherein one of active component in this herbicidal composition is that fluorine azoles sulphur is grand, another active component is alkynes oxalic acid or penoxsuam.
Wherein, in this herbicidal composition the grand weight ratio of fluorine azoles sulphur with alkynes oxalic acid be preferably 40: 1～1: 50, more preferably weight ratio is 10: 1～1: 20.Fluorine azoles sulphur weight ratio grand and penoxsuam is preferably 20: 1～and 1: 20, more preferably weight ratio is 10: 1～1: 10.
Wheat field herbicide composition of the present invention can be mixed with preparations such as emulsifiable concentrates for agricultural chemicals, suspending agent, wetting powder, water dispersible granules and aqueous emulsion, soluble liquid according to the conventional production process of this area.Its administration form depends on specific application; 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 liquid flux and/or solid carrier, if desired, surfactant such as emulsifier, dispersant, wetting agent can be added simultaneously, thickener, defoamer, antifreeze, oxidant, dyestuff etc. can also be added.If use water as thinner, also available other organic solvent is made cosolvent.
The organic solvent that is fit to comprises aromatic compound (for example dimethylbenzene), chlorinated aromatic hydrocarbons compound (for example chlorobenzene), paraffin (for example petroleum distillate), alcohols (for example methyl alcohol, ethanol), ketone (for example cyclohexanone), amine (for example monoethanolamine, dimethyl formamide) etc.
The synthetic mineral matter (for example high molecular silicic acid, silicate etc.) that solid carrier commonly used has natural mineral matter (for example kaolin, talcum, bentonite, attapulgite) and grinds.
Surfactant can be emulsifier, dispersant or wetting agent; Can be nonionic or ionic.For example, lauryl sodium sulfate, Teepol, neopelex, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine or directly use the commercial emulsifier: agricultural newborn 0201B, 0203,0203B, 600# etc.Material as dispersant and wetting agent has: sodium lignin sulfonate, draw back powder, calcium lignosulfonate and sldium lauryl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, octylphenol polyethylene oxyethylene group ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, sodium alkyl sulfonate, neopelex etc.
Thickener; can be for example carbonyl methylol, polyvinyl alcohol or the polyvinyl acetate that synthesizes; or natural water-soluble polymer; for example xanthans, gelatin, gum Arabic, phenolic resins, shellac, carboxymethyl cellulose and sodium alginate etc. add in the preparation with powder, particle or latex form.
Defoamer is: bubble enemy, silicone, C
8-10Fatty alcohol, phosphoric acid ester, C
10-20Saturated fat acids (as capric acid) and acid amides etc.
Oxidant is: potassium chlorate, sodium chlorate, potassium perchlorate, sodium nitrate, potassium nitrate, potassium permanganate etc.
Antifreeze is urea, calcium chloride etc.
Usually composition contains 0.01 to 90% active component by weight, and usually according to the difference of preparation type, preferably contains 1 to 30% active component by weight.
The application dosage of the present composition, the difference according to factors such as different location, time of application, weather conditions is generally 5～30 mg/kg, and preferred 10～30 mg/kg generally adopt the cauline leaf spraying.
The present composition shows fabulous synergistic effect in certain ratio range, mixed composition has obviously improved herbicidal effect than its single agent, thereby has reduced application dosage, has reduced the influence to environment when reducing drug cost.
Embodiment:
The invention will be further described below in conjunction with embodiment, but it only is an illustration, and by no means scope of the present invention is construed as limiting.In each embodiment, except as otherwise noted, the percentage composition of each component or percentage all are meant weight percentage or weight proportion.
1. example of formulations
Example of formulations 1 15% fluorine azoles sulphur swells alkynes oxalic acid soluble liquid
Take by weighing former medicine, solvent, emulsifier by above-mentioned prescription requirement, mix, use the hot bath heating for dissolving in case of necessity, promptly get soluble liquid.
Example of formulations 2 15.5% fluorine azoles sulphurs swell alkynes oxalic acid missible oil
Take by weighing former medicine, solvent, emulsifier by above-mentioned prescription requirement, mix, use the hot bath heating for dissolving in case of necessity, promptly get transparence missible oil.
Example of formulations 3 21.8% fluorine azoles sulphurs swell alkynes oxalic acid wetting powder
By above-mentioned prescription requirement, former medicine, various auxiliary agent and filler etc. are fully mixed, after ultrafine crusher is pulverized, promptly obtain converted products.
Example of formulations 4 13% fluorine azoles sulphurs swell alkynes oxalic acid suspending agent
By above-mentioned prescription requirement, with former medicine, emulsifier and antifreeze, preservative, water, etc. mix, after high-speed stirred, sand milling 2 times forms the aqueous suspension agent of favorable dispersibility.
Example of formulations 5 15% fluorine azoles sulphurs swell alkynes oxalic acid water dispersible granules
Example of formulations 6 20% fluorine azoles sulphurs swell the penoxsuam soluble liquid
Take by weighing former medicine, solvent, emulsifier by above-mentioned prescription requirement, mix, use the hot bath heating for dissolving in case of necessity, promptly get soluble liquid.
Example of formulations 2 18% fluorine azoles sulphurs swell penoxsuam missible oil
Take by weighing former medicine, solvent, emulsifier by above-mentioned prescription requirement, mix, use the hot bath heating for dissolving in case of necessity, promptly get transparence missible oil.
Example of formulations 3 20.8% fluorine azoles sulphurs swell the penoxsuam wetting powder
By above-mentioned prescription requirement, former medicine, various auxiliary agent and filler etc. are fully mixed, after ultrafine crusher is pulverized, promptly obtain converted products.
Example of formulations 4 13% fluorine azoles sulphurs swell the penoxsuam suspending agent
By above-mentioned prescription requirement, with former medicine, emulsifier and antifreeze, preservative, water, etc. mix, after high-speed stirred, sand milling 2 times forms the aqueous suspension agent of favorable dispersibility.
Example of formulations 5 15% fluorine azoles sulphurs swell the penoxsuam water dispersible granules
2. biological Examples:
2.1 the composite Toxicity Determination test of the grand alkynes oxalic acid of fluorine azoles sulphur to cornfield gramineae weed
97.5% fluorine azoles sulphur swells former medicine (common name: flucarbazone-Na), the former medicine of 97% alkynes oxalic acid (common name: clodinafop-propargyl) become the mother liquor of 10000 μ g/ml respectively with acetone solution, and add 0.5% Tween-80 make surfactant in the soup mother liquor.Dilute mother liquor to desired concn with the 0.1% Tween-80 aqueous solution.Grand grand with alkynes oxalic acid mother liquor preparation fluorine azoles sulphur with fluorine azoles sulphur: alkynes oxalic acid different proportion sample, fluorine azoles sulphur is grand in the sample: the ratio of alkynes oxalic acid sees Table 1.Each concentration is established 3 repetitions, every 1 plastic basin that repeats to spray.
(soil organic matter content is 1.42% to amur foxtail (Alopecurus aequalis) and common vetch (Vicia sativa L) seed in air-dry fine earth is housed, pH6.7), in the plastic basin of diameter 9cm, the fine earth of upper cover 0.5cm makes soil conservation moistening with the bottom method of supplying water; Plastic basin after planting places illumination cultivation greenhouse (22 ℃, light/dark cycle 16h/8h).Treat that 2 leaf phases of amur foxtail, 1 every basin of leaf period of common vetch stay 15 strains and 10 strains as supplying examination weeds seedling respectively.
Test method: the standard method with reference to " agricultural chemicals indoor biometrics test rule weed killer herbicide the 4th part: active determination test cauline leaf spray-on process " and " agricultural chemicals indoor biometrics test rule weed killer herbicide the 7th part: the synergy that is mixed is measured " is carried out.Per 4 basin weeds seedlings place quantitatively spraying in the PWT-510 type spray tower (area of accurately spraying is 0.2m2, spraying liquid 10ml, spray value is 500L/hm2, atomisation pressure is 0.5kpa).Spray is treated behind the medicine on the weeds seedling leaves still to place illumination cultivation chamber (22 ℃, light/dark cycle 16h/8h) behind the soup natural air drying.To spray the processing that compares of the 0.1% Tween-80 aqueous solution.Spraying was handled back 14 days, and clip weeds overground part takes by weighing fresh weight, and that calculates each medicament presses down careless effect (%).
Press down careless effect %=((contrast weeds fresh weight-processing weeds fresh weight)/contrast weeds fresh weight) * 100
Adopt the Gowing method to estimate fluorine azoles sulphur grand and the synergy type of alkynes oxalic acid mixture and the reasonability of proportioning.
The theoretical preventive effect % (E of mixture
0)=X+Y-(XY/100)
In the formula: X---weed killer herbicide A consumption presses down careless effect when P;
Y---weed killer herbicide B consumption presses down careless effect when Q;
Actual preventive effect after mixture actual measurement preventive effect % (E)=weed killer herbicide A and weed killer herbicide B use with in proportion.
Result of the test
Adopt that the cauline leaf spray-on process measures that fluorine azoles sulphur is grand, alkynes oxalic acid and with the inhibition effect of the composite sample of this two single agent to wheat weeds, the result shows, alkynes oxalic acid to the amur foxtail tool to press down grass active, but it is active that common vetch is not then had the grass of pressing down; Fluorine azoles sulphur is grand all to have certain careless activity that presses down to amur foxtail and common vetch.
Synergy type after using the Gowing method and estimating that fluorine azoles sulphur is grand and use with alkynes oxalic acid, result show, the two uses the back with, and it presses down careless effect (E) to amur foxtail and all is higher than the theoretical careless effect (E of pressing down
0), E-E
0Value is (table 1) between 0.78%～14.68%.
Table 1: fluorine azoles sulphur is grand, alkynes oxalic acid and mixture thereof be to the careless effect that presses down of amur foxtail
Annotate: it is 3 repetition mean values that actual measurement presses down careless effect.
Synergy type after using the Gowing method and estimating that fluorine azoles sulphur is grand and use with alkynes oxalic acid, result show, the two uses the back with, and it presses down careless effect (E) to common vetch and all is higher than the theoretical careless effect (E of pressing down
0), E-E
0Value is (table 2) between 1.09%～21.11%.
Table 2: fluorine azoles sulphur is grand, alkynes oxalic acid and mixture thereof be to the careless effect that presses down of common vetch
Annotate: it is 3 repetition mean values that actual measurement presses down careless effect.。
2.2 the composite Toxicity Determination test of grand five prosulfurons of fluorine azoles sulphur to wheat weeds
Example 1: indoor bioassay
97.5% fluorine azoles sulphur swells former medicine (common name: flucarbazone-Na), the former medicine of 95% penoxsuam (common name: penoxsulam) become the mother liquor of 10000 μ g/ml respectively with acetone solution, and add 0.5% Tween-80 make surfactant in the soup mother liquor.Dilute mother liquor to desired concn with the 0.1% Tween-80 aqueous solution.Grand grand with penoxsuam mother liquor preparation fluorine azoles sulphur with fluorine azoles sulphur: penoxsuam different proportion sample, fluorine azoles sulphur is grand in the sample: the ratio of penoxsuam sees Table 1.Each concentration is established 3 repetitions, every 1 plastic basin that repeats to spray.
(soil organic matter content is 1.42% in air-dry fine earth is housed for annual bluegrass (Poa annua Linn) and common vetch (Vicia sativa L) seed, pH6.7), in the plastic basin of diameter 9cm, the fine earth of upper cover 0.5cm makes soil conservation moistening with the bottom method of supplying water; Plastic basin after planting places illumination cultivation greenhouse (22 ℃, light/dark cycle 16h/8h).Treat that 2 leaf phases of annual bluegrass, 1 every basin of leaf period of common vetch stay 15 strains and 10 strains as supplying examination weeds seedling respectively.
Test method: the standard method with reference to " agricultural chemicals indoor biometrics test rule weed killer herbicide the 4th part: active determination test cauline leaf spray-on process " and " agricultural chemicals indoor biometrics test rule weed killer herbicide the 7th part: the synergy that is mixed is measured " is carried out.Per 4 basin weeds seedlings place quantitatively spraying in the PWT-510 type spray tower (area of accurately spraying is 0.2m2, spraying liquid 10ml, spray value is 500L/hm2, atomisation pressure is 0.5kpa).Spray is treated behind the medicine on the weeds seedling leaves still to place illumination cultivation chamber (22 ℃, light/dark cycle 16h/8h) behind the soup natural air drying.To spray the processing that compares of the 0.1% Tween-80 aqueous solution.Spraying was handled back 18 days, and clip weeds overground part takes by weighing fresh weight, and that calculates each medicament presses down careless effect (%).
Press down careless effect %=((contrast weeds fresh weight-processing weeds fresh weight)/contrast weeds fresh weight) * 100
Adopt the Gowing method to estimate fluorine azoles sulphur grand and the synergy type of penoxsuam mixture and the reasonability of proportioning.
Result of the test
Employing cauline leaf spray-on process mensuration fluorine azoles sulphur is grand, penoxsuam reaches with the press down careless effect of the composite sample of this two single agent to wheat weeds.The result shows that penoxsuam presses down careless effect apparently higher than the grand careless effect that presses down to annual bluegrass and common vetch of fluorine azoles sulphur to annual bluegrass and common vetch.
Spraying that fluorine azoles sulphur swells and penoxsuam is mixed has significantly improved the preventive effect to annual bluegrass.Synergy type after using the Gowing method and estimating that fluorine azoles sulphur is grand and use with penoxsuam, the result shows, fluorine azoles sulphur is grand: the penoxsuam different proportion is used actual measurement to annual bluegrass with and is pressed down careless effect and all be higher than its theoretical careless effect, its E-E0 value (table 3) between 7.75%～23.10% of pressing down.
Table 3: fluorine azoles sulphur is grand, penoxsuam and mixture thereof be to the careless effect that presses down of annual bluegrass
Annotate: it is 3 repetition mean values that actual measurement presses down careless effect.
Spraying that fluorine azoles sulphur swells and penoxsuam is mixed, significantly improved preventive effect to common vetch, grand and the penoxsuam of fluorine azoles sulphur is used the back with by different proportion and the actual measurement of common vetch is pressed down careless effect all is higher than its theoretical careless effect, its E-E0 value (table 4) between 1.92%～18.15% of pressing down.
Table 4: fluorine azoles sulphur is grand, penoxsuam and mixture thereof be to the careless effect that presses down of common vetch
Annotate: it is 3 repetition mean values that actual measurement presses down careless effect.
Claims (7)
1. a wheat field herbicide composition is characterized in that, one of its active component is grand for fluorine azoles sulphur, and another active component is alkynes oxalic acid or penoxsuam.
2. according to the wheat field herbicide composition of claim 1, it is characterized in that, the grand weight ratio with alkynes oxalic acid of fluorine azoles sulphur is preferably 40: 1～and 1: 50.
3. according to the wheat field herbicide composition of claim 2, it is characterized in that, the grand weight ratio with alkynes oxalic acid of fluorine azoles sulphur is preferably 10: 1～and 1: 20.
4. according to the wheat field herbicide composition of claim 1, it is characterized in that, the grand weight ratio with penoxsuam of fluorine azoles sulphur is preferably 20: 1～and 1: 20.
5. according to the wheat field herbicide composition of claim 4, it is characterized in that, the grand weight ratio with penoxsuam of fluorine azoles sulphur is preferably 10: 1～and 1: 10.
6. missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion or the soluble liquid formulated according to the described wheat field herbicide composition of arbitrary claim of claim 1-5.
7. the purposes that is used to prevent and treat cornfield gramineae weed according to the described wheat field herbicide composition of arbitrary claim of claim 1-5.
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| CN2013101703584A CN103210947A (en) | 2013-05-10 | 2013-05-10 | Wheatfield weed killer composition containing flucarbazone-sodium |
| CN201410240307.9A CN104054735B (en) | 2013-05-10 | 2013-05-10 | Containing the wheat field herbicide composition of flucarbazone |
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Cited By (7)
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| CN103960274A (en) * | 2014-05-24 | 2014-08-06 | 南通顺阳化工有限公司 | Compound weedicide for Gramineaed weeds |
| CN103999868A (en) * | 2014-06-11 | 2014-08-27 | 山东滨农科技有限公司 | Herbicidal composition containing clodinafop-propargyl and cyclosulfamuron |
| CN104273156A (en) * | 2014-09-26 | 2015-01-14 | 安徽众邦生物工程有限公司 | Wheat field herbicide composition |
| CN105360151A (en) * | 2015-07-22 | 2016-03-02 | 南京华洲药业有限公司 | Weeding composition containing clodinafop-propargyl and flucarbazone-sodium and application of weeding composition |
| CN105532704A (en) * | 2015-12-07 | 2016-05-04 | 安徽美兰农业发展股份有限公司 | Dispersible oil suspension of composite herbicide composed of flucarbazone-sodium and clodinafop-propargyl and preparation method thereof |
| CN106359437A (en) * | 2016-08-29 | 2017-02-01 | 广东中迅农科股份有限公司 | Weeding composition containing clodinafop-propargyl, flucarbazone-sodium and florasulam |
| CN106465722A (en) * | 2016-08-29 | 2017-03-01 | 广东中迅农科股份有限公司 | Herbicidal combinations containing clodinafop-propargyl and pinoxaden and flucarbazone |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103960274A (en) * | 2014-05-24 | 2014-08-06 | 南通顺阳化工有限公司 | Compound weedicide for Gramineaed weeds |
| CN103999868A (en) * | 2014-06-11 | 2014-08-27 | 山东滨农科技有限公司 | Herbicidal composition containing clodinafop-propargyl and cyclosulfamuron |
| CN103999868B (en) * | 2014-06-11 | 2016-04-13 | 山东滨农科技有限公司 | A kind of herbicidal composition containing alkynes oxalic acid and AC322140 |
| CN104273156A (en) * | 2014-09-26 | 2015-01-14 | 安徽众邦生物工程有限公司 | Wheat field herbicide composition |
| CN104273156B (en) * | 2014-09-26 | 2015-12-30 | 安徽众邦生物工程有限公司 | A kind of herbicide composition for wheat field |
| CN105360151A (en) * | 2015-07-22 | 2016-03-02 | 南京华洲药业有限公司 | Weeding composition containing clodinafop-propargyl and flucarbazone-sodium and application of weeding composition |
| CN105532704A (en) * | 2015-12-07 | 2016-05-04 | 安徽美兰农业发展股份有限公司 | Dispersible oil suspension of composite herbicide composed of flucarbazone-sodium and clodinafop-propargyl and preparation method thereof |
| CN106359437A (en) * | 2016-08-29 | 2017-02-01 | 广东中迅农科股份有限公司 | Weeding composition containing clodinafop-propargyl, flucarbazone-sodium and florasulam |
| CN106465722A (en) * | 2016-08-29 | 2017-03-01 | 广东中迅农科股份有限公司 | Herbicidal combinations containing clodinafop-propargyl and pinoxaden and flucarbazone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104054735B (en) | 2015-10-14 |
| CN104054735A (en) | 2014-09-24 |
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Application publication date: 20130724 |