Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus

Sarah Jane Purdy; Jennifer Cunniff; Anne Louise Maddison; Laurence Edmund Jones; Tim Barraclough; March Castle; Chris Davey; Charlotte  Jones; Ian Shield; Joe Gallagher; Iain  Donnison; John  Clifton-Brown

doi:10.1007/s12155-014-9500-2

Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus

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Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus. / Purdy, Sarah Jane; Cunniff, Jennifer; Maddison, Anne Louise et al.

In: Bioenergy Research, Vol. 8, No. 1, 31.03.2015, p. 28-41.

Research output: Contribution to journal › Article › peer-review

Harvard

Purdy, SJ, Cunniff, J, Maddison, AL, Jones, LE, Barraclough, T, Castle, M, Davey, C, Jones, C, Shield, I, Gallagher, J , Donnison, I & Clifton-Brown, J 2015, 'Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus', Bioenergy Research, vol. 8, no. 1, pp. 28-41. https://doi.org/10.1007/s12155-014-9500-2

APA

Purdy, S. J., Cunniff, J., Maddison, A. L., Jones, L. E., Barraclough, T., Castle, M., Davey, C., Jones, C., Shield, I., Gallagher, J., Donnison, I., & Clifton-Brown, J. (2015). Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus. Bioenergy Research, 8(1), 28-41. https://doi.org/10.1007/s12155-014-9500-2

Vancouver

Purdy SJ, Cunniff J, Maddison AL, Jones LE, Barraclough T, Castle M et al. Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus. Bioenergy Research. 2015 Mar 31;8(1):28-41. Epub 2014 Jul 1. doi: 10.1007/s12155-014-9500-2

Author

Purdy, Sarah Jane ; Cunniff, Jennifer ; Maddison, Anne Louise et al. / Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus. In: Bioenergy Research. 2015 ; Vol. 8, No. 1. pp. 28-41.

Bibtex - Download

@article{16fa79542d7243c9ba0b585b945aeb06,

title = "Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus",

abstract = "Miscanthus is a perennial energy grass predominantly used for combustion but there is increasing interest in fermenting the cell-wall carbohydrates or green-cutting for soluble sugars to produce bioethanol. Our aims were to: (1) quantify non-structural carbohydrates (NSC), (2) observe the timing of seasonal shifts in the stems and rhizome, and (3) identify developmental and/or climatic conditions that promoted carbohydrate remobilization from the stems to the rhizome during senescence. Two genotypes of Miscanthus sinensis, a Miscanthus sacchariflorus and a Miscanthus × giganteus were grown at replicated field sites in Aberystwyth, West Wales and Harpenden, South East England. NSC were quantified from the rhizome and aboveground organs and then correlated with climatic data collected from on-site weather stations. PAR and maximum daily temperatures were higher at Harpenden throughout the year, but daily minimum temperatures were lower. Senescence was accelerated at Harpenden. Carbohydrates were retained within the stems of non-flowering genotypes, at both sites, in winter and were still present after a frost event to −2 °C. Rhizome starch concentrations were at least equal to the previous winter{\textquoteright}s levels (February 2011) by September. Lower daily minimum temperatures accelerate the rate of senescence and warmer daily maximum temperatures cannot counteract this effect. At current yields, M. × giganteus, could produce 0.7 t ha−1 of NSC in addition to ligno-cellulosic biomass in November but with concerted breeding efforts this could be targeted for improvement as has been achieved in other crops. Shifting harvests forward to November would not leave the rhizome depleted of carbohydrates.",

keywords = "Genotypes , Climate, Temperature , Temperature , Miscanthus , Rhizome, Senescence , Bioenergy , Carbohydrates ",

author = "Purdy, {Sarah Jane} and Jennifer Cunniff and Maddison, {Anne Louise} and Jones, {Laurence Edmund} and Tim Barraclough and March Castle and Chris Davey and Charlotte Jones and Ian Shield and Joe Gallagher and Iain Donnison and John Clifton-Brown",

note = "Sponsorship: BBSRC RONO: BB/G016216/1; BBS/E/W/00003134 ",

year = "2015",

month = mar,

day = "31",

doi = "10.1007/s12155-014-9500-2",

language = "English",

volume = "8",

pages = "28--41",

journal = "Bioenergy Research",

issn = "1939-1234",

publisher = "Springer Nature",

number = "1",

}

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TY - JOUR

T1 - Seasonal Carbohydrate Dynamics and Climatic Regulation of Senescence in the Perennial Grass, Miscanthus

AU - Purdy, Sarah Jane

AU - Cunniff, Jennifer

AU - Maddison, Anne Louise

AU - Jones, Laurence Edmund

AU - Barraclough, Tim

AU - Castle, March

AU - Davey, Chris

AU - Jones, Charlotte

AU - Shield, Ian

AU - Gallagher, Joe

AU - Donnison, Iain

AU - Clifton-Brown, John

N1 - Sponsorship: BBSRC RONO: BB/G016216/1; BBS/E/W/00003134

PY - 2015/3/31

Y1 - 2015/3/31

N2 - Miscanthus is a perennial energy grass predominantly used for combustion but there is increasing interest in fermenting the cell-wall carbohydrates or green-cutting for soluble sugars to produce bioethanol. Our aims were to: (1) quantify non-structural carbohydrates (NSC), (2) observe the timing of seasonal shifts in the stems and rhizome, and (3) identify developmental and/or climatic conditions that promoted carbohydrate remobilization from the stems to the rhizome during senescence. Two genotypes of Miscanthus sinensis, a Miscanthus sacchariflorus and a Miscanthus × giganteus were grown at replicated field sites in Aberystwyth, West Wales and Harpenden, South East England. NSC were quantified from the rhizome and aboveground organs and then correlated with climatic data collected from on-site weather stations. PAR and maximum daily temperatures were higher at Harpenden throughout the year, but daily minimum temperatures were lower. Senescence was accelerated at Harpenden. Carbohydrates were retained within the stems of non-flowering genotypes, at both sites, in winter and were still present after a frost event to −2 °C. Rhizome starch concentrations were at least equal to the previous winter’s levels (February 2011) by September. Lower daily minimum temperatures accelerate the rate of senescence and warmer daily maximum temperatures cannot counteract this effect. At current yields, M. × giganteus, could produce 0.7 t ha−1 of NSC in addition to ligno-cellulosic biomass in November but with concerted breeding efforts this could be targeted for improvement as has been achieved in other crops. Shifting harvests forward to November would not leave the rhizome depleted of carbohydrates.

AB - Miscanthus is a perennial energy grass predominantly used for combustion but there is increasing interest in fermenting the cell-wall carbohydrates or green-cutting for soluble sugars to produce bioethanol. Our aims were to: (1) quantify non-structural carbohydrates (NSC), (2) observe the timing of seasonal shifts in the stems and rhizome, and (3) identify developmental and/or climatic conditions that promoted carbohydrate remobilization from the stems to the rhizome during senescence. Two genotypes of Miscanthus sinensis, a Miscanthus sacchariflorus and a Miscanthus × giganteus were grown at replicated field sites in Aberystwyth, West Wales and Harpenden, South East England. NSC were quantified from the rhizome and aboveground organs and then correlated with climatic data collected from on-site weather stations. PAR and maximum daily temperatures were higher at Harpenden throughout the year, but daily minimum temperatures were lower. Senescence was accelerated at Harpenden. Carbohydrates were retained within the stems of non-flowering genotypes, at both sites, in winter and were still present after a frost event to −2 °C. Rhizome starch concentrations were at least equal to the previous winter’s levels (February 2011) by September. Lower daily minimum temperatures accelerate the rate of senescence and warmer daily maximum temperatures cannot counteract this effect. At current yields, M. × giganteus, could produce 0.7 t ha−1 of NSC in addition to ligno-cellulosic biomass in November but with concerted breeding efforts this could be targeted for improvement as has been achieved in other crops. Shifting harvests forward to November would not leave the rhizome depleted of carbohydrates.

KW - Genotypes

KW - Climate

KW - Temperature

KW - Miscanthus

KW - Rhizome

KW - Senescence

KW - Bioenergy

KW - Carbohydrates

UR - http://hdl.handle.net/2160/26387

U2 - 10.1007/s12155-014-9500-2

DO - 10.1007/s12155-014-9500-2

M3 - Article