CN102265846B - Weeding composition containing bentazone, acifluorfen-sodium and fluazifop-p-butyl, and application thereof - Google Patents
Weeding composition containing bentazone, acifluorfen-sodium and fluazifop-p-butyl, and application thereof Download PDFInfo
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- CN102265846B CN102265846B CN 201010192595 CN201010192595A CN102265846B CN 102265846 B CN102265846 B CN 102265846B CN 201010192595 CN201010192595 CN 201010192595 CN 201010192595 A CN201010192595 A CN 201010192595A CN 102265846 B CN102265846 B CN 102265846B
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Abstract
The invention discloses a weeding composition containing bentazone, acifluorfen-sodium and fluazifop-p-butyl. The weeding composition comprises main effective components of bentazone, acifluorfen-sodium and fluazifop-p-butyl in a mass ratio of 1-80:1-80:1-80. The weeding composition of the invention has substantial effects on application to weeding after seedling in a soybean field, especially application to control of gramineae weeds, broad leaf weeds and nutgrass flatsedge in the soybean field. Compared with a single dose, the weeding composition of the invention, on the premise of enhancing drug effect, delays weed resistance, has a wide weeding spectrum and a long persistent period, and is safe to soybean and later crops.
Description
Technical field
The invention belongs to technical field of pesticide, weed killer herbicide field especially is specifically related to the ternary built Herbicidal combinations of a kind of bentazone, acifluorfen-sodium and fluazifop-p-butyl.This Herbicidal combinations can be applicable to the Soybean Field postemergence weed control.
Background technology
Bentazone has another name called Lysimachia sikokiana pellet, Bentazon.Chemical name: the 3-isopropyl-(1H)-and benzo-2,1,3-thiadiazine-4-ketone-2, the 2-dioxide, structural formula is:
This weed killer herbicide is optionally herbicide after seedling of contact killing type tool, is used for cauline leaf processing in seedling stage, works by the blade contact.Dry land is used, and is transmitted to inhibited photosynthesis in the chloroplast by the blade face infiltration first.The paddy field is used and can be passed through root absorption again by the blade face infiltration, is transmitted to cauline leaf, strongly hinders weeds photosynthesis and water metabolism, causes nutrition hungry, makes physiological function lack of proper care and cause death.Active ingredient is detoxified to active weak glycoconjugates metabolism in the tolerable crop body, and to crop safety, 6-18 week bentazone can be decomposed by microorganism in soil after the dispenser.But bentazone is invalid to grassy weed, and herbicidal spectrum is single.
Fluazifop-p-butyl has another name called efficient fluazifop, chemical name: (R)-and the 2-{4-[(5-trifluoromethyl)-2-base-pyridine radicals] the oxygen base } butyl propionate.Belonging to phenoxy carboxylic acid herbicides, is the fatty acid synthetic inhibitor, is fluorinated heterocycle highy potent herbicide of new generation.Its structural formula is as follows:
Be mainly used in preventing and treating 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.Full field dispenser or the dispenser of seedling band all can.The little usefulness of weed size is hanged down dose, and leaf age is large uses high dose; In the situation that moisture condition is good with low dose, under drought condition, use high dose.Invalid to broadleaved herb and nutgrass flatsedge, and the impact of its herbicidal effect climate and rainwater is serious, therefore, be subject in the use the impact that local climate changes, and the part weeds is serious to its resistance.
Acifluorfen-sodium (acifluorfen-sodium), other titles: golden beans; Chemical name: (RS)-2-(4-isopropyl-4-methyl-5-oxygen-2-imidazoline-2-yl)-5-methoxy Nicotinicum Acidum.Be a kind of imidazolinone herbicide, its structural formula is:
Acifluorfen-sodium is mainly used in Soybean Field and Peanut Fields postemergence weed control. can prevent and kill off most of grassy weeds and broad leaved weed. and broad leaved weed adds piemarker, admire amaranth Lay, field mustard, lamb's-quarters, bur beggar-ticks, clearvers, morning glory, benbie, field forget-me-not, knotweed, black nightshade, Veronica etc.; Grassy weed and sedge weed such as wild oat, bromegrass, annual bluegrass, moleplant seed, millet, amur foxtail, thin and delicate lady's-grass, common rush, Chufa etc.But acifluorfen-sodium residual in the soil has certain key to succession crop, and therefore, succession crop is longer interval, and for example be 12 months the interval of beet, rape.So, to strictly control the consumption of acifluorfen-sodium in the use procedure.
Soybean field herbicide is limit by crop safety at present, the herbicide spectrum is also limited, be used alone the weed killer herbicide single dose and can not control completely effectively the generation of soybean weeds, moreover some weed killer herbicide is because water-soluble large or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all easily causes this season crop or succession crop of dispenser.Therefore, but selection herbicide spectrum of the present invention is different, being made into mixture after the bentazone of pluses and minuses complementation, acifluorfen-sodium and the suitable decrement of fluazifop-p-butyl three all weed killer herbicides uses, so both enlarged the herbicide spectrum, obviously improved herbicidal effect, also avoided this season is done the deposits yields poisoning and succession crop produced the possibility of residual hazard.
Summary of the invention
The purpose of this invention is to provide a kind of Herbicidal combinations that contains bentazone, acifluorfen-sodium and fluazifop-p-butyl.
Another object of the present invention provides the application of this Herbicidal combinations in the Soybean Field weeding.
A kind of Herbicidal combinations that contains bentazone, acifluorfen-sodium and fluazifop-p-butyl, it is characterized in that this Herbicidal combinations is take bentazone, acifluorfen-sodium and fluazifop-p-butyl as main active ingredient, the mass ratio of bentazone, acifluorfen-sodium and fluazifop-p-butyl is 1～80: 1～80: 1～80, the mass ratio of preferred bentazone, acifluorfen-sodium and fluazifop-p-butyl is 1～50: 1～50: 1～40, and most preferably mass ratio is 1～15: 1～15: 1～15.In Herbicidal combinations, bentazone, acifluorfen-sodium and the fluazifop-p-butyl three quality percentage composition in weed killer herbicide is 1～75%, and the preferred mass percentage composition is 20～50%.
In the ternary recompounded composite of bentazone of the present invention, acifluorfen-sodium and fluazifop-p-butyl, except the active ingredients such as bentazone, acifluorfen-sodium and fluazifop-p-butyl, can also add the auxiliary agents such as conventional surfactants, thickener, solvent or solid packing that allow on the pesticidal preparations and be mixed with any one formulation that allows on the agricultural chemicals.Preferably be processed into suspending agent, missible oil, water dispersion granule, wetting powder, aqueous emulsion etc.
Herbicidal combinations of the present invention can be used in the Soybean Field postemergence weed control, particularly uses in various grassy weeds, broad leaved weed and the nutgrass flatsedge to have remarkable result in preventing and kill off Soybean Field.
Herbicidal combinations of the present invention has the following advantages:
1, activity of weeding is high.Herbicidal combinations of the present invention can kill weeds by three kinds of different mechanism, so that Weed Resistance has produced Speed Reduction, greatly improves the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.The herbicide of three kinds of weed killer herbicides spectrum is different, and the be mixed medicament that makes of three is combined herbicidal spectrum and the activity of various medicaments, so that the herbicidal spectrum of mix preparation is wider, the lasting period is longer.
3, delay Weed Resistance.The present invention can significantly improve the preventive effect to various resistant weeds, delays the generation of herbicide resistance, has prolonged the service life of medicament.
4, safe.Herbicidal combinations of the present invention is applied to the Soybean Field postemergence weed control, and it can prevent and kill off various grass family and broad leaved weed in the Soybean Field, under the prerequisite that has improved drug effect, soybean and succession crop is all had safety.
Therefore, Herbicidal combinations of the present invention can be used in the weed killer herbicide for the preparation of the Soybean Field postemergence weed control, particularly uses in for the preparation of the weed killer herbicide of preventing and kill off various grassy weeds, broad leaved weed and nutgrass flatsedge in the Soybean Field.
Embodiment
Embodiment 1
Bentazone 30%, fluazifop-p-butyl 3%, acifluorfen-sodium 5%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%, water supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 38% suspending agent.
Embodiment 2
Bentazone 18%, fluazifop-p-butyl 2%, acifluorfen-sodium 3%, calcium dodecyl benzene sulfonate 9%, alkylphenol polyoxyethylene 5%, dimethylbenzene to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 23% missible oil.
Embodiment 3
Bentazone 55%, fluazifop-p-butyl 5%, acifluorfen-sodium 10%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 70% water dispersion granule.
Embodiment 4
Bentazone 1%, fluazifop-p-butyl 10%, acifluorfen-sodium 14%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 15% aqueous emulsion.
Embodiment 5
Bentazone 55%, fluazifop-p-butyl 5%, acifluorfen-sodium 5%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, sodium lignin sulfonate 7%, white carbon 9%, kaolin supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 65% wetting powder.
Embodiment 6
Bentazone 25%, fluazifop-p-butyl 1%, acifluorfen-sodium 14%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%, water supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 40% suspending agent.
Embodiment 7
Bentazone 60%, fluazifop-p-butyl 14%, acifluorfen-sodium 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 8
Bentazone 20%, fluazifop-p-butyl 40%, acifluorfen-sodium 15%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 9
Bentazone 10%, fluazifop-p-butyl 15%, acifluorfen-sodium 50%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 10
1), toxicity determination test
Utilize the preparation of embodiment 1～4, measure it to the co-toxicity coefficient of Soybean Field common weed dayflower and barnyard grass.
Test method: the seed of quantitative weeds is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat weeds 3～6 leaves during the phase, do the composition spray processing of spraying in crawler type.Continue in the greenhouse after processing to cultivate, each processes preventive effect to weeds routine observation, and each weeds fresh weight after processing of weighing behind the 30d is pressed the method for the nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient shows that greater than 100 two kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 two kinds of active principles have antagonism.Measurement result as shown in Table 1 and Table 2.
The toxicity measurement result of table 1 bentazone and acifluorfen-sodium
The toxicity measurement result of table 2 acifluorfen-sodium and fluazifop-p-butyl
The above results proves absolutely, bentazone, acifluorfen-sodium and fluazifop-p-butyl three complex preparation all have significant synergy preventing and kill off on dayflower and the barnyard grass
2), field control effectiveness test:
Reagent agent:
4 kinds of ternary built weed killer herbicides among the embodiment 1～4.
The contrast medicament:
25% bentazone aqua (commercially available), 15% fluazifop-p-butyl missible oil (commercial), 4% acifluorfen-sodium aqua (commercially available).
For studying thing: soybean
Large bean seedlings were 3～6 leaf phases, grew fine, and robust plant is without other damage by disease and insect.
Prevent and kill off object:
Broad leaved weed, grassy weed and nutgrass flatsedge: the weeds such as barnyard grass, green foxtail, dayflower, piemarker and anti-Zhi Amaranth.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after being watered dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head of sprinkler selection weed killer herbicide special use.During spraying, note liquid is evenly sprayed application in the experimental plot phenomenon of accomplishing there is not drain spray, spraying more.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments.In addition, also to behind medicine, observe the condition of production (consumption is the consumption of every mu of ground active ingredient) of crop in 1～15d, to investigate medicament whether crop be had poisoning.
Embodiments of the invention preparation weeding test effect see the following form 3 (20d behind the medicine) and table 4 (40d behind the medicine).
20 days drug effect results after table 3 dispenser
| Treatment agent | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Nutgrass flatsedge preventive effect (%) |
| Embodiment 1 | 30 | 95 | 94 | 94 |
| Embodiment 2 | 30 | 97 | 92 | 91 |
| Embodiment 3 | 30 | 95 | 90 | 94 |
| Embodiment 4 | 30 | 96 | 91 | 93 |
| 15% fluazifop-p-butyl missible oil | 7 | 85 | - | - |
| 25% bentazone aqua | 80 | - | 88 | 86 |
| 4% acifluorfen-sodium aqua | 5 | 79 | 84 | 82 |
40 days drug effect results after table 4 dispenser
| Treatment agent | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Nutgrass flatsedge preventive effect (%) |
| Embodiment 1 | 30 | 90 | 92 | 90 |
| Embodiment 2 | 30 | 93 | 90 | 91 |
| Embodiment 3 | 30 | 93 | 90 | 90 |
| Embodiment 4 | 30 | 91 | 88 | 91 |
| 15% fluazifop-p-butyl missible oil | 7 | 75 | - | - |
| 25% bentazone aqua | 80 | - | 72 | 75 |
| 4% acifluorfen-sodium aqua | 5 | 60 | 59 | 69 |
Can find out from table 3 and table 4, the present invention has significant preventive effect to grassy weed, broad leaved weed and nutgrass flatsedge, and synergy is remarkable, and the lasting period is long.
Table 5 medicament is to the security survey result of crop
Each soybean of processing in the residential quarter grows fine, and each is processed the residential quarter and has no any medicine spot, illustrates that compound drug of the present invention is to the equal safety of soybean.
Claims (6)
1. Herbicidal combinations that contains bentazone, acifluorfen-sodium and fluazifop-p-butyl, it is characterized in that this Herbicidal combinations is take bentazone, acifluorfen-sodium and fluazifop-p-butyl as active ingredient, the mass ratio of bentazone, acifluorfen-sodium and fluazifop-p-butyl is 1～15:1～15:1 ~ 15, and bentazone, acifluorfen-sodium and the fluazifop-p-butyl three quality percentage composition in Herbicidal combinations is 1 ~ 75%.
2. Herbicidal combinations according to claim 1 is characterized in that bentazone, acifluorfen-sodium and the fluazifop-p-butyl three quality percentage composition in Herbicidal combinations is 20 ~ 50%.
3. Herbicidal combinations according to claim 1 is characterized in that it take bentazone, acifluorfen-sodium and fluazifop-p-butyl as active ingredient and the auxiliary agent that allows on the agricultural chemicals is mixed with any one formulation.
4. Herbicidal combinations according to claim 3 is characterized in that described formulation is suspending agent, missible oil, water dispersion granule, wetting powder or aqueous emulsion.
5. Herbicidal combinations claimed in claim 1 is for the preparation of the application in the weed killer herbicide of Soybean Field postemergence weed control.
6. Herbicidal combinations claimed in claim 1 is for the preparation of the application in the weed killer herbicide of preventing and kill off various grassy weeds, broad leaved weed and nutgrass flatsedge in the Soybean Field.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192595 CN102265846B (en) | 2010-06-04 | 2010-06-04 | Weeding composition containing bentazone, acifluorfen-sodium and fluazifop-p-butyl, and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192595 CN102265846B (en) | 2010-06-04 | 2010-06-04 | Weeding composition containing bentazone, acifluorfen-sodium and fluazifop-p-butyl, and application thereof |
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| Publication Number | Publication Date |
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| CN102265846A CN102265846A (en) | 2011-12-07 |
| CN102265846B true CN102265846B (en) | 2013-09-18 |
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| RU2621082C2 (en) * | 2012-01-12 | 2017-05-31 | ДАУ АГРОСАЙЕНСИЗ ЭлЭлСи | Herbicidal compositions containing bentazone and als inhibitor and acca inhibitor |
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| EP1233672A2 (en) * | 1999-11-18 | 2002-08-28 | Bayer Aktiengesellschaft | Synergistic herbicidal active substance combinations |
| CN1317241A (en) * | 2001-02-26 | 2001-10-17 | 北京市农林科学院植物保护环境保护研究所 | Composition of bensultap and herbicide for monocotyledonous weeds |
| CN1493190A (en) * | 2003-09-05 | 2004-05-05 | 江苏长青农化股份有限公司 | Herbicide for soybean field |
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Effective date of registration: 20200831 Address after: 705 Xingye building, 15 Hubu street, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: Nanjing Boland Biotechnology Co., Ltd Address before: Dongfeng Road, Xi Zhen Gaochun County of Nanjing City, Jiangsu province 211318, No. 8 Patentee before: Nanjing Huazhou Parmaceutical Co.,Ltd. |
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Effective date of registration: 20210224 Address after: 210002 705, Xingye building, 15 Hubu street, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Ouyue Biotechnology Co., Ltd Address before: 210002 705, Xingye building, 15 Hubu street, Qinhuai District, Nanjing City, Jiangsu Province Patentee before: Nanjing Boland Biotechnology Co., Ltd |