CN102986734B - Herbicide omposition containing humic acid, fluazifop-P-butyl, etc - Google Patents
Herbicide omposition containing humic acid, fluazifop-P-butyl, etc Download PDFInfo
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- CN102986734B CN102986734B CN201210499680.7A CN201210499680A CN102986734B CN 102986734 B CN102986734 B CN 102986734B CN 201210499680 A CN201210499680 A CN 201210499680A CN 102986734 B CN102986734 B CN 102986734B
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- Prior art keywords
- fluazifop
- sethoxydim
- humic acid
- herbicidal combinations
- butyl
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- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 49
- 239000004009 herbicide Substances 0.000 title claims abstract description 25
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000004021 humic acid Substances 0.000 title claims abstract description 17
- VAIZTNZGPYBOGF-CYBMUJFWSA-N fluazifop-P-butyl Chemical group C1=CC(O[C@H](C)C(=O)OCCCC)=CC=C1OC1=CC=C(C(F)(F)F)C=N1 VAIZTNZGPYBOGF-CYBMUJFWSA-N 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 claims abstract description 32
- CSPPKDPQLUUTND-NBVRZTHBSA-N Sethoxydim Chemical compound CCO\N=C(/CCC)C1=C(O)CC(CC(C)SCC)CC1=O CSPPKDPQLUUTND-NBVRZTHBSA-N 0.000 claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010703 silicon Substances 0.000 claims abstract description 20
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 20
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- 230000005070 ripening Effects 0.000 claims abstract description 5
- YUVKUEAFAVKILW-UHFFFAOYSA-N 2-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoic acid Chemical compound C1=CC(OC(C)C(O)=O)=CC=C1OC1=CC=C(C(F)(F)F)C=N1 YUVKUEAFAVKILW-UHFFFAOYSA-N 0.000 claims description 44
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 claims description 23
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 claims description 23
- 239000002509 fulvic acid Substances 0.000 claims description 23
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- 230000000694 effects Effects 0.000 abstract description 8
- 238000009333 weeding Methods 0.000 abstract description 4
- 239000004480 active ingredient Substances 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- VAIZTNZGPYBOGF-UHFFFAOYSA-N butyl 2-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoate Chemical group C1=CC(OC(C)C(=O)OCCCC)=CC=C1OC1=CC=C(C(F)(F)F)C=N1 VAIZTNZGPYBOGF-UHFFFAOYSA-N 0.000 abstract 1
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- 241000196324 Embryophyta Species 0.000 description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 22
- 238000003756 stirring Methods 0.000 description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
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- 238000010438 heat treatment Methods 0.000 description 10
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- UMVBXBACMIOFDO-UHFFFAOYSA-N [N].[Si] Chemical compound [N].[Si] UMVBXBACMIOFDO-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a herbicide composition containing humic acid, fluazifop-P-butyl, etc, which herbicide comprises the components in parts by weight: 0.1-1 part of active ingredient(s), 70-80 parts of humic acid and 20-30 parts of silicon abundance ring, wherein the active ingredient(s) is/ are one or two in fluazifop-P-butyl, fluazifop-butyl and sethoxydim. The herbicide composition improves the weeding effect, and has beneficial effects for increasing the yield and the sugar content and accelerating the ripening of the sugarcane.
Description
Technical field
The invention belongs to agrochemical field, particularly relate to a kind of composition that comprises the weed killer herbicides such as humic acid and efficient fluazifop, concrete, relate to a kind of composition that comprises any one or two kinds in humic acid and efficient fluazifop or fluazifop or sethoxydim.
Background technology
Sethoxydim belongs to oximes weed killer herbicide, and being has a silk minute inhibitor, almost all grassy weeds is had to high activity, to the invalid and safety of broad leaved weed.For broad leaf crop (cotton, flax, rape, potato, soybean, sunflower and vegetables), after bud, use, prevent and kill off annual gramineous weed.
Efficient fluazifop is mainly used in soybean, cotton, rape, the broad leaved plants such as peanut and wild cabbage.Prevent and kill off the annual and perennial grassy weeds such as barnyard grass, wild oat, green foxtail, Setaria glauca, eleusine indica, amur foxtail, moleplant seed, india lovegrass, bromegrass, Hordeum, Secale, millet genus, annual bluegrass, Bermuda grass, Paspalum distichum, false Chinese sorghum, reed, wild silkworm, cogongrass, quackgrass.
Efficient fluazifop absorbs rapidly by blade face, is hydrolyzed into fluazifop and transmits by phloem and xylem, is enriched in rhizome and the stolon of perennial weed, and annual and meristem perennial weed.After seedling, prevent and treat rape seed, sugar beet, fodder beet, potato, vegetables, cotton, soybean, the operatic circle, drupe, bush fruit, citrus fruit, pineapple, banana, strawberry, sunflower, alfalfa, the wild oat on ornamental plants and other broad leaf crop, wild cereal, annual and perennial weed.Control 2～3 leaf phase annual gramineous weeds, 500～750 milliliters of 15% fluazifop-p-butyls for per hectare; 4～5 leaf phases of control, per hectare is with 750～1000 milliliters; 5～6 leaf phases of control, per hectare is with 1000～1200 milliliters.Weed size is little uses low dose, and leaf age is large uses high dose; In the situation that moisture condition is good, use low dose, under drought condition, use high dose.Prevent and treat perennial grassy weed if Bermuda grass, quackgrass, Paspalum distichum, false Chinese sorghum, reed per hectare are with 2.0 liters.
Fluazifop is insoluble in water, is soluble in organic solvent, is cauline leaf inorganic agent after a kind of seedling of high selectivity, and the lethality in having to life in 1 year and perennial grassy weed is to broad leaf crop safety, invalid to broadleaf weed.Weeds are mainly absorbed and are received conduction by cauline leaf, and root also can Assimilation and conductivity.After general dispenser, within 48 hours, can there is poisoning symptom, but thoroughly kill weeds, need 15 days.Be applicable to the various crop such as soybean, cotton, beet, potato, sweet potato, peanut, pea, broad bean, Kidney bean, tobacco, flax, watermelon, and rubber, fruit tree, plantation, forestry nursery, tending [after young plantation etc.Prevent and kill off life in 1 year and perennial grassy weed, as non-irrigated barnyard grass, green foxtail, lady's-grass, eleusine indica, wild swallow grass, amur foxtail, bromegrass, arm shape grass, reed, Bermuda grass, Paspalum distichum etc.
Although the effect that these weed killer herbicides have had, has a lot of drawbacks when being applied to sugarcane field separately, herbicidal effect is not very desirable, and can not play other required effects.The present invention is directed to simultaneously in current sugarcane field, lack effective weeding and to sugarcane production-increasing, increase sugar and the situation of the herbicidal composition that accelerates the ripening, developed a kind of effective composition.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of Herbicidal combinations, particularly, the invention provides a kind of Herbicidal combinations that contains efficient fluazifop, fluazifop and/or sethoxydim, this Herbicidal combinations comprises active component 0.1-1 weight portion, humic acid 70-80 weight portion and silicon Feng Huan 20-30 weight portion, wherein active component is any one or two kinds in efficient fluazifop, fluazifop or sethoxydim.
In above-mentioned composition, active component be in efficient fluazifop, fluazifop or sethoxydim any one.
In above-mentioned composition, active component is the mixture of efficient fluazifop and fluazifop, and wherein efficient fluazifop and fluazifop weight ratio are 1-50: 50-1.
In above-mentioned composition, active component is the mixture of efficient fluazifop and sethoxydim, and wherein efficient fluazifop and sethoxydim weight ratio are 1-50: 50-1.
In above-mentioned composition, active component is the mixture of fluazifop and sethoxydim, and wherein fluazifop and sethoxydim weight ratio are 1-50: 50-1.
Preferably, above-mentioned Herbicidal combinations can also comprise other auxiliary agents, and surfactant for example, as the mixture of the single kind of anionic, nonionic, cationic surface active agent or multiple types.Surfactant is preferably one or more in alkyl phenol polyoxy ethyl ether, OPEO, polyoxyethylene nonylphenol ether, fatty alcohol-polyoxyethylene ether, polyoxyethylene trisiloxanes, castor oil polyoxyethylene ether, ethylene polyethenoxy ether.Described surfactant can be allowed a choice according to the application of agricultural chemicals, can add also and can not add.If add surfactant, surfactant weight is 0.5-10 times of active component gross weight.
Preferably, above-mentioned Herbicidal combinations can also comprise farm chemical carrier, and described farm chemical carrier is for can be used in arbitrarily the carrier that improves pesticide activity component solvability.Farm chemical carrier is preferably mineral oil and/or vegetable oil, and mineral oil is preferably paraffin oil, and vegetable oil is that soybean oil, peanut oil, cottonseed oil, rapeseed oil, palm fibre are put one or more in oil, cocoa butter, cupu oil.Preferably, farm chemical carrier accounts for the 30-100% of pesticide activity component gross weight.
It is that the humic acid of 7-8: 2-3 and the mixture of silicon Feng Huan and weed killer herbicide together act on that sugarcane is improved herbicidal effect and to sugarcane production-increasing, the purposes that increases sugar and accelerate the ripening that the present invention also provides weight ratio.Wherein said herbicidal effect refers to the rate of preventing and kill off that improves weeds, and described weed killer herbicide is any one or two kinds in efficient fluazifop, fluazifop or sethoxydim.
Humic acid claims again humic acid, and a kind of natural organic high-molecular compound is the chief component of humus.Humus is that soil, peat, coal, streams, many highlands, corruption are planted the main organic principle in nutrition lake, seawater, by organic-biological death, by biological degradation, is produced.Humic acid is not a single acid, but a complicated mixture that contains the functional groups such as carboxyl, phenolic hydroxyl group, so this mixture shows binary acid or the character of ternary acid once in a while.Humic acid is common and ion forming complex at occurring in nature.
Preferably, in above-mentioned composition, humic acid used is fulvic acid, the fulvic acid of described fulvic acid for extracting from the alcohol effluent of sugarcane deep processing alcohol.The preparation method of the fulvic acid preferably, extracting from the alcohol effluent of sugarcane deep processing alcohol is as follows:
The alcohol effluent heating evaporation that reduces pressure is concentrated, controlled pressure, evaporating temperature is 40 ℃ ± 3 ℃, the percentage by weight of measuring dry matter in concentrate stops heating while reaching 60%, obtains concentrate; Agitated liquid at the uniform velocity in heating process.Then in concentrate, add the concentrated sulfuric acid, make the mass concentration of sulfuric acid in concentrate reach 30%, at 60 ± 2 ℃, ageing is 20 hours, obtains ageing liquid;
Sodium hydroxide solution alkalization by ageing liquid with 0.5%wt, under stirring, add sodium hydroxide solution, measure the pH of solution, regulate the addition of sodium hydroxide solution, when being 8, pH stops adding sodium hydroxide solution, in solution, there is precipitation, precipitation part, by removing by filter, is obtained to solution I;
Hydrochloric acid solution acidifying by the solution I of above-mentioned acquisition with 8%wt, stirs and measures pH while adding hydrochloric acid solution, stop adding hydrochloric acid solution when pH value is 1, occurs precipitation in solution, and precipitation part, by removing by filter, is obtained to solution II;
In solution II, add acetone, 10% of the volume that the volume of the acetone adding is solution II.To add the solution of acetone fully to stir, then centrifugal layering, collects acetone soln part;
Acetone soln is partly inputted in distillation still, and decompression heating maintains the temperature at 45 ℃ ± 2 ℃ and concentrates acetone soln, by recover acetone, and remaining material, process decompression heating maintains the temperature at 45 ℃ ± 2 ℃ dry, after being dried, obtains solid product fulvic acid.
Silicon Feng Huan is a kind of organo-silicon compound with outstanding molecular structure and notable biological activity.Can improve plant cell mitosis, strengthen photosynthesis, promote protein synthetic, thereby improve the ability that plant absorbs nutrient, promote the formation of crop kernel, increase the protein content of fruit, reach and make crop precocious, increase the effect of thousand kernel weight, crop yield is increased considerably.Can improve the anti-adversity abilities such as plant is disease-resistant, cold-resistant, resistant to lodging, be applicable to one and cut plant.Have the advantages such as wide spectrum, efficient, low toxicity, noresidue, former medicine is generally the former medicine of 98% silicon Feng Huan, and chemical name is chloromethyl hetero nitrogen silicon tricyclic, should want to buy and obtain from market.
The preparation method that the preparation method of the above-mentioned Herbicidal combinations of the present invention applies this area routine is prepared into the preparation of various needs, can be by the direct mix and blend of simple method.
Herbicidal combinations of the present invention has efficient preventive effect for weeds, the ratio of reasonably combined active component and active component thereof on the one hand, adopt simultaneously can enhanced activity composition management of weeds reinforcing agent, especially the mixture of humic acid and silicon Feng Huan, its mix with Herbicide Jing fluazifop, fluazifop or sethoxydim after for sugarcane field can improve herbicidal effect and to sugarcane production-increasing, increase sugar and accelerate the ripening and there is useful effect.
Embodiment
In order to understand the present invention, with embodiment, further illustrate the present invention below, but do not limit the present invention.
Fulvic acid used in following embodiment is the fulvic acid extracting from the alcohol effluent of sugarcane deep processing alcohol, and preparation method is as follows:
1kg alcohol effluent decompression heating evaporation is concentrated, controlled pressure, evaporating temperature is 40 ℃ ± 3 ℃, when the percentage by weight of dry matter reaches 60% in measurement concentrate, stops heating, obtains concentrate; Agitated liquid at the uniform velocity in heating process.Then in concentrate, add the concentrated sulfuric acid, make the mass concentration of sulfuric acid in concentrate reach 30%, at 60 ± 2 ℃, ageing is 20 hours, obtains ageing liquid;
Sodium hydroxide solution alkalization by ageing liquid with 0.5%wt, under stirring, add sodium hydroxide solution, measure the pH of solution, regulate the addition of sodium hydroxide solution, when being 8, pH stops adding sodium hydroxide solution, in solution, there is precipitation, precipitation part, by removing by filter, is obtained to solution I;
Hydrochloric acid solution acidifying by the solution I of above-mentioned acquisition with 8%wt, stirs and measures pH while adding hydrochloric acid solution, stop adding hydrochloric acid solution when pH value is 1, occurs precipitation in solution, and precipitation part, by removing by filter, is obtained to solution II;
In solution II, add acetone, 10% of the volume that the volume of the acetone adding is solution II.To add the solution of acetone fully to stir, then centrifugal layering, collects acetone soln part;
Acetone soln is partly inputted in distillation still, decompression heating maintains the temperature at concentrated acetone soln at 45 ℃ ± 2 ℃, by recover acetone, and remaining material, through decompression heating, maintain the temperature at 45 ℃ ± 2 ℃ and be dried, after being dried, obtain solid product fulvic acid 21.78g.
Embodiment 1 Herbicidal combinations 1
By the efficient fluazifop of 0.2Kg, the fulvic acid of 7Kg, the silicon Feng Huan of 3Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 1.
Embodiment 2 Herbicidal combinations 2
By the fluazifop of 0.2Kg, the fulvic acid of 7Kg, the silicon Feng Huan of 3Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 2.
Embodiment 3 Herbicidal combinations 3
By the sethoxydim of 1Kg, the fulvic acid of 7Kg, the silicon Feng Huan of 3Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 3.
Embodiment 4 Herbicidal combinations 4
By the sethoxydim of 1Kg, the fluazifop of 0.2Kg, the fulvic acid of 7Kg, the silicon Feng Huan of 3Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 4.
Embodiment 5 Herbicidal combinations 5
By the sethoxydim of 1Kg, the efficient fluazifop of 0.2Kg, the fulvic acid of 7Kg, the silicon Feng Huan of 3Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 5.
Embodiment 6 Herbicidal combinations 6
The fluazifop of 0.2Kg, the efficient fluazifop of 0.2Kg, the fulvic acid of 7Kg, the silicon Feng Huan of 3Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 6.
Embodiment 7 Herbicidal combinations 7
The fulvic acid of 7Kg, the silicon Feng Huan of 3Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 7.
Embodiment 8 Herbicidal combinations 8
By the efficient fluazifop of 0.2Kg, the fulvic acid of 7Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 8.
Embodiment 9 Herbicidal combinations 9
The fluazifop of 0.2Kg, the fulvic acid of 7Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 9.
Embodiment 10 Herbicidal combinations 10
By the sethoxydim of 1Kg, the fulvic acid of 7Kg, the paraffin oil of 5Kg, the ethylene polyethenoxy ether of 3Kg fully mixes, and stirs, and obtains Herbicidal combinations 10.
EXPERIMENTAL EXAMPLE
The Herbicidal combinations 1-10 of embodiment 1-10 is sprayed to sugarcane field weeding, the composition of embodiment 1-10 is diluted with water to 1000kg, 1 mu of (667m
2) sugarcane field sprays 50kg.Wherein preventive effect refers to through observing and confirms that the strain number that weeds death can not recover to grow accounts for the percentage that sprays the total strain number of front weeds, output raising refers to the output percentage for space management, sugar content raising refers to the sugar content percentage for space management, and the maturing stage shifts to an earlier date number of days and refers to the number of days shifting to an earlier date for the blank maturing stage.Blank is to sugarcane field fresh water spraying 50kg while processing.Spray medicine phase in outer seedling stage.Each processes 3 samples, averages and calculates.
Pass through field experiment, also find of great value phenomenon, the Herbicidal combinations that contains exactly fulvic acid and silicon Feng Huan, namely the preventive effect of the composition of No. 1-6 is owing to having added the cause of fulvic acid and silicon Feng Huan, and the preventive effect of its weeding will be higher than the preventive effect of not using the embodiment 8-10 Herbicidal combinations of silicon Feng Huan.In addition, by adding after fulvic acid and silicon Feng Huan, find that the active component of Herbicidal combinations embodiment 4-6 has demonstrated the effect of synergy.The mixture of the composition that comprises weed killer herbicide and fulvic acid and silicon Feng Huan by use exactly in addition can improve output, the sugar content of sugarcane effectively, and promotes sugarcane precocious.
Claims (5)
1. weight ratio is that the humic acid of 7-8: 2-3 and the mixture of silicon Feng Huan and weed killer herbicide together act on that sugarcane is improved herbicidal effect and to sugarcane production-increasing, the purposes that increases sugar and accelerate the ripening, wherein said weed killer herbicide is any one or two kinds in efficient fluazifop, fluazifop or sethoxydim, wherein weed killer herbicide 0.1-1 weight portion, humic acid 70-80 weight portion and silicon Feng Huan 20-30 weight portion.
2. purposes according to claim 1, wherein active component is the mixture of efficient fluazifop and fluazifop, wherein efficient fluazifop and fluazifop weight ratio are 1-50: 50-1.
3. purposes according to claim 1, wherein active component is the mixture of efficient fluazifop and sethoxydim, wherein efficient fluazifop and sethoxydim weight ratio are 1-50:50-1.
4. purposes according to claim 1, wherein active component is the mixture of fluazifop and sethoxydim, wherein fluazifop and sethoxydim weight ratio are 1-50: 50-1.
5. purposes according to claim 1, wherein humic acid is fulvic acid.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213271A (en) * | 1996-03-15 | 1999-04-07 | 诺瓦提斯公司 | Herbicidal composition and method of weed control |
| WO2000027203A1 (en) * | 1998-11-10 | 2000-05-18 | Syngenta Participations Ag | Herbicidal composition |
| CN102027908A (en) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | Herbicide composition containing fluazifop-p-butyl and sethoxydim and application thereof |
| CN102783501A (en) * | 2012-08-16 | 2012-11-21 | 叶长东 | Composition containing ametryn, 2-methyl-4-chloro sodium and sulfonylurea herbicide |
-
2012
- 2012-11-29 CN CN201210499680.7A patent/CN102986734B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213271A (en) * | 1996-03-15 | 1999-04-07 | 诺瓦提斯公司 | Herbicidal composition and method of weed control |
| WO2000027203A1 (en) * | 1998-11-10 | 2000-05-18 | Syngenta Participations Ag | Herbicidal composition |
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN102027908A (en) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | Herbicide composition containing fluazifop-p-butyl and sethoxydim and application thereof |
| CN102783501A (en) * | 2012-08-16 | 2012-11-21 | 叶长东 | Composition containing ametryn, 2-methyl-4-chloro sodium and sulfonylurea herbicide |
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Denomination of invention: The invention relates to a compound containing a herbicide such as pyrazine and the like Effective date of registration: 20200923 Granted publication date: 20140723 Pledgee: Bank of Communications Ltd. the Guangxi Zhuang Autonomous Region branch Pledgor: Ye Changdong Registration number: Y2020450000039 |
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