CN103518747A - Weeding composition containing penoxsulam and pyriftalid - Google Patents
Weeding composition containing penoxsulam and pyriftalid Download PDFInfo
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- CN103518747A CN103518747A CN201310416701.9A CN201310416701A CN103518747A CN 103518747 A CN103518747 A CN 103518747A CN 201310416701 A CN201310416701 A CN 201310416701A CN 103518747 A CN103518747 A CN 103518747A
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- China
- Prior art keywords
- pyriftalid
- penoxsuam
- weed
- weeds
- herbicidal combinations
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- RRKHIAYNPVQKEF-UHFFFAOYSA-N Pyriftalid Chemical compound COC1=CC(OC)=NC(SC=2C=3C(=O)OC(C)C=3C=CC=2)=N1 RRKHIAYNPVQKEF-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000000203 mixture Substances 0.000 title abstract description 16
- 238000009333 weeding Methods 0.000 title abstract description 14
- 239000005592 Penoxsulam Substances 0.000 title abstract 6
- SYJGKVOENHZYMQ-UHFFFAOYSA-N Penoxsulam Chemical compound N1=C2C(OC)=CN=C(OC)N2N=C1NS(=O)(=O)C1=C(OCC(F)F)C=CC=C1C(F)(F)F SYJGKVOENHZYMQ-UHFFFAOYSA-N 0.000 title abstract 6
- 241000196324 Embryophyta Species 0.000 claims abstract description 57
- 230000002363 herbicidal effect Effects 0.000 claims abstract description 41
- 239000004480 active ingredient Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 15
- 238000009736 wetting Methods 0.000 claims description 15
- 239000008187 granular material Substances 0.000 claims description 8
- 239000004562 water dispersible granule Substances 0.000 claims description 8
- 239000004009 herbicide Substances 0.000 abstract description 19
- 239000003814 drug Substances 0.000 abstract description 9
- 238000001228 spectrum Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 229940079593 drug Drugs 0.000 abstract description 4
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 239000000565 sealant Substances 0.000 abstract 1
- 230000001988 toxicity Effects 0.000 abstract 1
- 231100000419 toxicity Toxicity 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 17
- 235000007164 Oryza sativa Nutrition 0.000 description 17
- 235000009566 rice Nutrition 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 15
- 230000003449 preventive effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 8
- 239000003905 agrochemical Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 241001290610 Abildgaardia Species 0.000 description 6
- VXMNDQDDWDDKOQ-UHFFFAOYSA-N Pyrazosulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)C=2N(N=CC=2C(O)=O)C)=N1 VXMNDQDDWDDKOQ-UHFFFAOYSA-N 0.000 description 6
- XIGAUIHYSDTJHW-UHFFFAOYSA-N mefenacet Chemical compound N=1C2=CC=CC=C2SC=1OCC(=O)N(C)C1=CC=CC=C1 XIGAUIHYSDTJHW-UHFFFAOYSA-N 0.000 description 6
- 241000192043 Echinochloa Species 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 244000025254 Cannabis sativa Species 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 239000000575 pesticide Substances 0.000 description 4
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 4
- 239000004927 clay Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 231100000053 low toxicity Toxicity 0.000 description 3
- 239000000825 pharmaceutical preparation Substances 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241001553700 Euphorbia lathyris Species 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000857 drug effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QTJCKLQRJJTCIS-UHFFFAOYSA-N 2-hydroxybenzoic acid;pyrimidine Chemical compound C1=CN=CN=C1.OC(=O)C1=CC=CC=C1O QTJCKLQRJJTCIS-UHFFFAOYSA-N 0.000 description 1
- 108010000700 Acetolactate synthase Proteins 0.000 description 1
- 239000005472 Bensulfuron methyl Substances 0.000 description 1
- 240000004230 Cyperus compressus Species 0.000 description 1
- 240000003173 Drymaria cordata Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003854 herbicide residue Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002483 medication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a weeding composition containing penoxsulam and pyriftalid. The weeding composition comprises the active ingredients of penoxsulam and pyriftalid, wherein the ratio of the penoxsulam to the pyriftalid in the weeding composition in parts by weight is (5:1) to (1:16), preferably (3:1) to (1:12). The weeding composition has the advantages that the weeding effect is improved after the penoxsulam and the pyriftalid are compounded; a herbicide controlling spectrum is expanded; the medication time range is expanded relative to the conventional sealants; the resistance risk caused by single use of the penoxsulam or the pyriftalid is reduced; the weeding composition is low in toxicity and low in residue, and suitable for preventing and killing annual weeds of a paddy field; the dosage and the use cost are reduced.
Description
Technical field
The invention belongs to agriculture weeding technical field, be specifically related to a kind of Herbicidal composition for rice field that penoxsuam, pyriftalid be active ingredient of take.
Background technology
Along with progressively eliminating of high-toxic pesticide, need efficient, low toxicity, safety, environment amenable pharmaceutical preparations, the long-term use of agricultural chemicals simultaneously produces the pesticide resistance of disease pest and weed, requirement to control medicament is also more and more higher, this just needs agricultural chemicals research staff to develop the pharmaceutical preparations of highly effective and safe, meets control requirement.Because China's agricultural chemicals initiative is at the early-stage, the pesticide species with independent intellectual property right can't be satisfied the demand, so the pesticide mixed preparation of development of new, is the only way of current Agrochemicals.
Paddy rice is one of main cereal crops of China, and paddy field weeding is a great problem on producing.Chemical weed control is the Main Means of controlling at present weeds.In recent years, because some weeding single dose kind large area are used separately, cause a lot of weeds to develop immunity to drugs, therefore, be badly in need of the agent for removing grass in paddy field pharmaceutical preparations of efficient, low toxicity, economy, safety.
At present transplanted rice field or seedling throwing field sealer use age will medications before weeds are unearthed, cauline leaf inorganic agent will be used after the most of cauline leaf that is unearthed of weeds stretches, and before weeds are partly unearthed grass leaf in ages 3, conventional sealer or cauline leaf inorganic agent cannot reach effective Weed control effect during this period of time.
Penoxsuam is rice field broad-spectrum herbicide, can effectively prevent and kill off barnyard grass, moleplant seed and annual sedge weed, and effective to numerous broad leaved weeds, lasting period is long, it also can prevent and kill off anti-bensulfuron-methyl weeds in rice field simultaneously, and many broad-leaveds and sedge weed and barnyard grass etc. are had to residual activity.
Pyriftalid is a kind of efficient pyrimidine salicylic acid selective herbicide, for inhibitor of acetolactate synthetase, mainly by root absorption and to leaves and stems, move, also can absorb by cauline leaf, to 3 leaves before the phase barnyard grass have special efficacy, effective to grassy weeds such as low age moleplant seed, lady's-grass, effective to broad leaved weeds such as chickweeds, sedge weed is had to certain preventive effect.Pyriftalid is mainly potential difference and selects weeding, is applicable to use after transplanted rice field or seedling throwing field rice striking root.
Weed killer herbicide is rationally composite is to improve preventive effect, expand herbicide spectrum or widen service time, delaying the speed of shift of weed community, reducing the resistance risk that the single use of agricultural chemicals brings, alleviate the pollution to environment, reduce a kind of effective ways of use cost and reduction herbicide residue.The inventor conducts in-depth research being mixed of penoxsuam, pyriftalid, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find that penoxsuam, pyriftalid are mixed, within the scope of certain mixed ratio, paddy field weed is shown to synergistic function, expanded herbicide spectrum, widen administration time scope, after further study, completed the present invention.
Being mixed and applying of penoxsuam, pyriftalid there is no report at present.
Summary of the invention
The object of the invention is to solve deficiency when weed killer herbicide is single to be used, filling up tradition sealing weed killer herbicide and cauline leaf processes weed killer herbicide and is partly unearthed to the blank area of dispenser before 3 leaves in weeds, provide a kind of efficient, low toxicity, low cost, quick-acting good, and the lasting period is long, be conducive to the Herbicidal combinations of the paddy field weed comprehensive regulation.
Technical scheme of the present invention is: a kind of Herbicidal combinations, is comprised of active ingredient penoxsuam, pyriftalid and suitable insecticides adjuvant.Penoxsuam and the pyriftalid mass fraction ratio in Herbicidal combinations is 5:1～1:16, preferably than being 3:1～1:12.
Described Herbicidal combinations can be according to well known to a person skilled in the art method, the application forms of the applicable agricultural uses such as wetting powder, water dispersible granules, granule.
The production technology of the described various application forms of Herbicidal combinations all belongs to existing known technology, does not repeat them here.
Herbicidal combinations provided by the invention, is applicable to prevent and kill off paddy field annual weed.
Herbicidal combinations provided by the invention, adopts medicine local method or granulation agent to spread fertilizer over the fields conventionally.
Herbicidal combinations provided by the invention has following beneficial effect:
1, Herbicidal combinations provided by the invention, expanded the herbicide spectrum of penoxsuam and pyriftalid single dose, in certain ratio range, synergistic effect is worked in coordination with out in performance, the control efficiency of composition has had raising than single dose, reduce the using dosage of agricultural chemicals, reduced drug cost and the agricultural chemicals risk to ecotope adverse effect.
2, provided by the invention is Herbicidal combinations, can reduce the resistance risk that the single penoxsuam of long-term use or pyriftalid produce, and extends the service life of medicament, the comprehensive regulation important in inhibiting to Weed Resistance.
3, Herbicidal combinations provided by the invention, rapidly, the lasting period is long, is having one month lasting period under water condition in drug effect performance, and use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
4, Herbicidal combinations provided by the invention, all can be used to weeds 3 leaves at transplanted rice field, seedling throwing field rice striking root, has both possessed the sealing feature of common sealer before weeds are unearthed, and can partly be unearthed and have the double Weed control effect of sealing to 3 leaves in weeds again.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.
In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Embodiment 1(80% penoxsuam Pyriftalid water dispersible granule).
Above-mentioned material is added in cone-type mixer and mixed together; by airslide disintegrating mill, pulverize; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 600 mesh standard sieves; add and in kneader, be kneaded into plasticity material; finally this material is put into Squeezinggranulator extruder grain, granulation makes 80% penoxsuam Pyriftalid water dispersible granule after being dried, sieving.
The present embodiment is used for preventing and treating rice seedling throwing field annual weed: annual gramineous weed, sedge weed and broad leaved weed are added up, spraying time is after rice seedling throwing 10 days, weeds are partly unearthed, be unearthed weeds 1 leaf about the phase, application method is pesticide-clay mixture method, mixes fine and glossy native 10 kilograms of left and right for every mu and spreads fertilizer over the fields.5 processing are established in experiment altogether, processing 1 is 80% penoxsuam Pyriftalid water dispersible granule, processing 2 is 20% penoxsuam water dispersible granules, processing 3 is 40% Pyriftalid water dispersible granule, processing 4 is 50% mefenacet pyrazosulfuron water-wettable pulvis, process 5 for contrast (not weeding of not dispenser), add up and contrast and respectively process number of weeds amount and preventive effect after medicine after 20 days, result of the test is in Table 1.
Table 1,80% penoxsuam Pyriftalid water dispersible granule field control effectiveness test result.
Remarks: strain preventive effect=(check plot weeds strain number-treatment region weeds strain number)/check plot weeds strain counts * 100%
During dispenser, part weeds are unearthed, grass leaf in age 1 left and right, by table 1 result, can find out, in the situation that in the present composition, single dose active ingredient is used separately lower than single dose, herbicide spectrum herbicidal effect is separately better than to single dose, sealer 48% mefenacet 2% pyrazosulfuron wetting powder spraying time is excessively late, poor to grassy weed preventive effect.
Embodiment 2(80% penoxsuam pyriftalid wetting powder).
Above-mentioned material is added in cone-type mixer and mixed together, by airslide disintegrating mill, pulverize, material after pulverizing mixes through cone-type mixer again, and mixed fineness of materials 98%, by 600 mesh standard sieves, obtains 80% penoxsuam pyriftalid wetting powder.
The present embodiment is used for preventing and treating transplanted rice field annual weed: annual gramineous weed, sedge weed, broad leaved weed are added up, spraying time is after rice transplanting 7 days, weeds are not unearthed, and application method is pesticide-clay mixture method, mixes fine and glossy native 10 kilograms of left and right for every mu and spreads fertilizer over the fields.5 processing are established in experiment altogether, processing 1 is 80% penoxsuam pyriftalid wetting powder, processing 2 is 20% penoxsuam wetting powder, processing 3 is 40% pyriftalid wetting powder, processing 4 is 50% mefenacet pyrazosulfuron wetting powder, process 5 for contrast (not weeding of not dispenser), add up and contrast and respectively process number of weeds amount and preventive effect after 20 days, result of the test is in Table 2.
Table 2,80% penoxsuam pyriftalid wetting powder field control effectiveness test result.
Remarks: strain preventive effect=(check plot weeds strain number-treatment region weeds strain number)/check plot weeds strain counts * 100%.
During dispenser, weeds are not unearthed, by above result, can find out, in the situation that in the present composition, single dose active ingredient is used separately lower than single dose, herbicide spectrum herbicidal effect is separately better than to single dose, sealer 48% mefenacet 2% pyrazosulfuron wetting powder dispenser preventive effect is a little less than the present composition.
Embodiment 3(1.6% penoxsuam pyriftalid granule).
Above-mentioned material is added in cone-type mixer and mixed together, by airslide disintegrating mill, pulverize, the material after pulverizing mixes through cone-type mixer again, and mixed fineness of materials 98%, by 600 mesh standard sieves, obtains wetting powder.Will this wetting powder drop in granulating disc and add water granulation,, screening dry by drying, cooling cylinder are cooling, make 1.6% penoxsuam pyriftalid granule.
The present embodiment is used for preventing and kill off transplanted rice field annual weed: annual gramineous weed, sedge weed and broad leaved weed are added up, spraying time is after rice transplanting 14 days, and weeds are partly unearthed, the approximately 2 leaf phases of above the average age for marriage barnyard grass, broad leaved weed 1 leaf 1 heart left and right, application method is for spreading fertilizer over the fields.5 processing are established in experiment altogether, processing 1 is 1.2% penoxsuam pyriftalid granule, processing 2 is 0.2% penoxsuam granule, processing 3 is 1.6% pyriftalid granule, processing 4 is 50% mefenacet pyrazosulfuron wetting powder (pesticide-clay mixture method is spread fertilizer over the fields), process 5 for contrast (not weeding of not dispenser), add up and contrast and respectively process number of weeds amount and preventive effect after 20 days, result of the test is in Table 3.
Table 3,1.6% penoxsuam pyriftalid granule field control effectiveness test result.
Remarks: strain preventive effect=(check plot weeds strain number-treatment region weeds strain number)/check plot weeds strain counts * 100%.
During dispenser, part weeds are partly unearthed, grass leaf in ages 2 left and right, by above result, can find out, in the situation that in the present composition, single dose active ingredient is used separately lower than single dose, herbicide spectrum herbicidal effect is separately better than to single dose, sealer 50% mefenacet pyrazosulfuron wetting powder spraying time is excessively late, and grassy weed preventive effect is poor.
In sum, Herbicidal combinations of the present invention is outstanding to transplanted rice field, seedling throwing field annual weed drug effect under appropriate dose, expand single dose herbicide spectrum, widen administration time, preventive effect is higher than single dose, good to Security of rice, be the herbicide composition of preventing and kill off paddy field barnyard grass, sedge weed and annual broadleaf weed.
Claims (4)
1. a Herbicidal combinations that contains penoxsuam and pyriftalid, is characterized in that: active ingredient is penoxsuam, pyriftalid, and penoxsuam and the pyriftalid mass fraction ratio in Herbicidal combinations is 5:1～1:16.
2. a kind of Herbicidal combinations that contains penoxsuam and pyriftalid according to claim 1, is characterized in that: penoxsuam and the pyriftalid mass fraction ratio in Herbicidal combinations is 3:1～1:12.
3. a kind of Herbicidal combinations that contains penoxsuam and pyriftalid according to claim 1, is characterized in that: described Herbicidal combinations is processed into water dispersible granules, wetting powder or granule.
4. a kind of Herbicidal combinations that contains penoxsuam and pyriftalid according to claim 1, is characterized in that: described Herbicidal combinations is applicable to prevent and kill off paddy field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416701.9A CN103518747A (en) | 2013-09-12 | 2013-09-12 | Weeding composition containing penoxsulam and pyriftalid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416701.9A CN103518747A (en) | 2013-09-12 | 2013-09-12 | Weeding composition containing penoxsulam and pyriftalid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103518747A true CN103518747A (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416701.9A Pending CN103518747A (en) | 2013-09-12 | 2013-09-12 | Weeding composition containing penoxsulam and pyriftalid |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123704A (en) * | 2015-07-23 | 2015-12-09 | 北京燕化永乐生物科技股份有限公司 | Herbicidal composition |
| CN105766946A (en) * | 2014-12-19 | 2016-07-20 | 沈阳中化农药化工研发有限公司 | Environment-friendly liquid preparation and applications thereof |
| CN106472513A (en) * | 2016-09-18 | 2017-03-08 | 江苏辉丰农化股份有限公司 | A kind of Synergistic herbicide compositions comprising diflufenican and pyriftalid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6130335A (en) * | 1996-09-24 | 2000-10-10 | Dow Agrosciences Llc | N-([1,2,4]triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides |
-
2013
- 2013-09-12 CN CN201310416701.9A patent/CN103518747A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6130335A (en) * | 1996-09-24 | 2000-10-10 | Dow Agrosciences Llc | N-([1,2,4]triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides |
Non-Patent Citations (2)
| Title |
|---|
| 农药科学与管理编辑部: "环酯草醚", 《农药科学与管理》 * |
| 苏少泉: "新一代稻田用除草剂-五氟磺草胺", 《世界农药》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766946A (en) * | 2014-12-19 | 2016-07-20 | 沈阳中化农药化工研发有限公司 | Environment-friendly liquid preparation and applications thereof |
| CN105766946B (en) * | 2014-12-19 | 2018-07-31 | 沈阳中化农药化工研发有限公司 | A kind of environment-friendly liquid preparation and its application |
| CN105123704A (en) * | 2015-07-23 | 2015-12-09 | 北京燕化永乐生物科技股份有限公司 | Herbicidal composition |
| CN106472513A (en) * | 2016-09-18 | 2017-03-08 | 江苏辉丰农化股份有限公司 | A kind of Synergistic herbicide compositions comprising diflufenican and pyriftalid |
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Application publication date: 20140122 |
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