Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress

This study compares photosynthesis, growth, 13C and 15N labelling patterns of two biomass crops (Arundo donax L. and Panicum virgatum L.) grown under water stress in greenhouse conditions. Plants were exposed to three water stress levels: control (C, 100% Pot Capacity), mild stress (MS, 50% PC) and...

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Autores: Sánchez Sánchez, Elena|||0000-0001-9583-8962, Lino Villanueva, Gladys, Arias, Claudia, Serrat, Xavier, Nogués, Salvador
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/346192
Acceso en línea:https://hdl.handle.net/2117/346192
https://dx.doi.org/10.11648/j.jps.20180603.1
Access Level:acceso abierto
Palabra clave:Irrigation
Arundo donax L.
Panicum virgatum L.
13C and 15N Isotope Labelling
Biomass
Water Stress
Regatge
Àrees temàtiques de la UPC::Enginyeria agroalimentària::Agricultura::Reg
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spelling Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stressSánchez Sánchez, Elena|||0000-0001-9583-8962Lino Villanueva, GladysArias, ClaudiaSerrat, XavierNogués, SalvadorIrrigationArundo donax L.Panicum virgatum L.13C and 15N Isotope LabellingBiomassWater StressRegatgeÀrees temàtiques de la UPC::Enginyeria agroalimentària::Agricultura::RegThis study compares photosynthesis, growth, 13C and 15N labelling patterns of two biomass crops (Arundo donax L. and Panicum virgatum L.) grown under water stress in greenhouse conditions. Plants were exposed to three water stress levels: control (C, 100% Pot Capacity), mild stress (MS, 50% PC) and severe stress (SS, 25% PC). Photosynthesis, fluorescence parameters and relative water content were measured at the beginning (Ti) and the end of the experiment (Tf). Biomass parameters were measured at Tf. Short-term double labelling with 13C and 15N stable isotopes was performed in both species. Isotopic analyses of total organic matter, total soluble sugars and the CO2 respired were undertaken at T0 (prelabelling), T1 (24h after labelling) and T2 (7 days after labelling). Immediately after the 13C and 15N labelling, stems and rhizomes seemed to be the main sinks for labelled carbon and nitrogen in both species. Moreover, not all of the labelled carbon and nitrogen substrate was used by plant metabolism after seven days. Decreases in photosynthesis parameters were observed as a consequence of the increase in water stress (WS) in both species, with a greater magnitude decline in giant reed than in switchgrass. A decrease in height, number of green leaves and total dry weight due to WS was observed in both species. Both species were more 13C-enriched and more 15N-depleted during the increases in WS due to lower stomatal conductance and transpiration. In general, WS accelerated plant phenology and, consequently, the accumulation of storage compounds in the rhizome occurred in response to stress. This effect was more clearly visible in switchgrass than in giant reedObjectius de Desenvolupament Sostenible::12 - Producció i Consum ResponsablesObjectius de Desenvolupament Sostenible::13 - Acció per al ClimaScience Publishing Group20182018-01-0120212021-05-27journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/346192https://dx.doi.org/10.11648/j.jps.20180603.1reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)InglésengEuropean Commission http://dx.doi.org/10.13039/100011102 Seventh Framework Programme 289642 Optimization of Perennial Grasses for Biomass Productionopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/3461922026-05-27T15:37:01Z
dc.title.none.fl_str_mv Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
title Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
spellingShingle Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
Sánchez Sánchez, Elena|||0000-0001-9583-8962
Irrigation
Arundo donax L.
Panicum virgatum L.
13C and 15N Isotope Labelling
Biomass
Water Stress
Regatge
Àrees temàtiques de la UPC::Enginyeria agroalimentària::Agricultura::Reg
title_short Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
title_full Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
title_fullStr Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
title_full_unstemmed Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
title_sort Photosynthesis, resource acquistion and growth responses of two biomass crops subjected to water stress
dc.creator.none.fl_str_mv Sánchez Sánchez, Elena|||0000-0001-9583-8962
Lino Villanueva, Gladys
Arias, Claudia
Serrat, Xavier
Nogués, Salvador
author Sánchez Sánchez, Elena|||0000-0001-9583-8962
author_facet Sánchez Sánchez, Elena|||0000-0001-9583-8962
Lino Villanueva, Gladys
Arias, Claudia
Serrat, Xavier
Nogués, Salvador
author_role author
author2 Lino Villanueva, Gladys
Arias, Claudia
Serrat, Xavier
Nogués, Salvador
author2_role author
author
author
author
dc.subject.none.fl_str_mv Irrigation
Arundo donax L.
Panicum virgatum L.
13C and 15N Isotope Labelling
Biomass
Water Stress
Regatge
Àrees temàtiques de la UPC::Enginyeria agroalimentària::Agricultura::Reg
topic Irrigation
Arundo donax L.
Panicum virgatum L.
13C and 15N Isotope Labelling
Biomass
Water Stress
Regatge
Àrees temàtiques de la UPC::Enginyeria agroalimentària::Agricultura::Reg
description This study compares photosynthesis, growth, 13C and 15N labelling patterns of two biomass crops (Arundo donax L. and Panicum virgatum L.) grown under water stress in greenhouse conditions. Plants were exposed to three water stress levels: control (C, 100% Pot Capacity), mild stress (MS, 50% PC) and severe stress (SS, 25% PC). Photosynthesis, fluorescence parameters and relative water content were measured at the beginning (Ti) and the end of the experiment (Tf). Biomass parameters were measured at Tf. Short-term double labelling with 13C and 15N stable isotopes was performed in both species. Isotopic analyses of total organic matter, total soluble sugars and the CO2 respired were undertaken at T0 (prelabelling), T1 (24h after labelling) and T2 (7 days after labelling). Immediately after the 13C and 15N labelling, stems and rhizomes seemed to be the main sinks for labelled carbon and nitrogen in both species. Moreover, not all of the labelled carbon and nitrogen substrate was used by plant metabolism after seven days. Decreases in photosynthesis parameters were observed as a consequence of the increase in water stress (WS) in both species, with a greater magnitude decline in giant reed than in switchgrass. A decrease in height, number of green leaves and total dry weight due to WS was observed in both species. Both species were more 13C-enriched and more 15N-depleted during the increases in WS due to lower stomatal conductance and transpiration. In general, WS accelerated plant phenology and, consequently, the accumulation of storage compounds in the rhizome occurred in response to stress. This effect was more clearly visible in switchgrass than in giant reed
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-01-01
2021
2021-05-27
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/346192
https://dx.doi.org/10.11648/j.jps.20180603.1
url https://hdl.handle.net/2117/346192
https://dx.doi.org/10.11648/j.jps.20180603.1
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv European Commission http://dx.doi.org/10.13039/100011102 Seventh Framework Programme 289642 Optimization of Perennial Grasses for Biomass Production
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Science Publishing Group
publisher.none.fl_str_mv Science Publishing Group
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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