Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes

Background and Aims The growth-differentiation balance hypothesis (GDBH) states that there is a physiological trade-off between growth and secondary metabolism and predicts a parabolic effect of resource availability (such as water or nutrients) on secondary metabolite production. To test this hypot...

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Detalles Bibliográficos
Autores: Cella Pizarro, Lucrecia, Bisigato, Alejandro Jorge
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2010
País:Argentina
Institución:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/93530
Acceso en línea:http://hdl.handle.net/11336/93530
Access Level:acceso abierto
Palabra clave:ALLOCATION
BOUGAINVILLEA SPINOSA
CHUQUIRAGA ERINACEA
DROUGHT
GRINDELIA CHILOENSIS
GROWTH-DEFENCE TRADE-OFFS
JARAVA SPECIOSA
LARREA DIVARICATA
NITROGEN
PHENOLICS
PROSOPIS ALPATACO
TOTAL NON-STRUCTURAL CARBOHYDRATES
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
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network_acronym_str AR
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repository_id_str
spelling Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimesCella Pizarro, LucreciaBisigato, Alejandro JorgeALLOCATIONBOUGAINVILLEA SPINOSACHUQUIRAGA ERINACEADROUGHTGRINDELIA CHILOENSISGROWTH-DEFENCE TRADE-OFFSJARAVA SPECIOSALARREA DIVARICATANITROGENPHENOLICSPROSOPIS ALPATACOTOTAL NON-STRUCTURAL CARBOHYDRATEShttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Background and Aims The growth-differentiation balance hypothesis (GDBH) states that there is a physiological trade-off between growth and secondary metabolism and predicts a parabolic effect of resource availability (such as water or nutrients) on secondary metabolite production. To test this hypothesis, the response of six Patagonian Monte species (Jarava speciosa, Grindelia chiloensis, Prosopis alpataco, Bougainvillea spinosa, Chuquiraga erinacea and Larrea divaricata) were investigated in terms of total biomass and resource allocation patterns in response to a water gradient. Methods One-month-old seedlings were subjected to five water supply regimes (expressed as percentage dry soil weight: 13%, 11%, 9%, 7% or 5%-field water capacity being 15%). After 150 d, plants were harvested, oven-dried and partitioned into root, stem and leaf. Allometric analysis was used to correct for size differences in dry matter partitioning. Determinations of total phenolics (TP), condensed tannins (CT), nitrogen (N) and total non-structural carbohydrates (TNC) concentrations were done on each fraction. Based on concentrations and biomass data, contents of TP and CT were estimated for whole plants, and graphical vector analysis was applied to interpret drought effect. Key ResultsFour species (J. speciosa, G. chiloensis, P. alpataco and B. spinosa) showed a decrease in total biomass in the 5% water supply regime. Differences in dry matter partitioning among treatments were mainly due to size variation. Concentrations of TP, CT, N and TNC varied little and the effect of drought on contents of TP and CT was not adequately predicted by the GDBH, except for G. chiloensis.Conclusions Water stress affected growth-related processes (i.e. reduced total biomass) rather than defence-related secondary metabolism or allocation to different organs in juvenile plants. Therefore, the results suggest that application of the GDBH to plants experiencing drought-stress should be done with caution, at least for Patagonian Monte species.Fil: Cella Pizarro, Lucrecia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; ArgentinaFil: Bisigato, Alejandro Jorge. Universidad Nacional de la Patagonia "San Juan Bosco"; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; ArgentinaOxford University Press2010-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/93530Cella Pizarro, Lucrecia; Bisigato, Alejandro Jorge; Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes; Oxford University Press; Annals of Botany; 106; 2; 8-2010; 297-3070305-7364CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1093/aob/mcq109info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/aob/article/106/2/297/199613info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2024-05-08T13:38:34Zoai:ri.conicet.gov.ar:11336/93530instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982024-05-08 13:38:34.317CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
title Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
spellingShingle Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
Cella Pizarro, Lucrecia
ALLOCATION
BOUGAINVILLEA SPINOSA
CHUQUIRAGA ERINACEA
DROUGHT
GRINDELIA CHILOENSIS
GROWTH-DEFENCE TRADE-OFFS
JARAVA SPECIOSA
LARREA DIVARICATA
NITROGEN
PHENOLICS
PROSOPIS ALPATACO
TOTAL NON-STRUCTURAL CARBOHYDRATES
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
title_short Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
title_full Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
title_fullStr Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
title_full_unstemmed Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
title_sort Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes
dc.creator.none.fl_str_mv Cella Pizarro, Lucrecia
Bisigato, Alejandro Jorge
author Cella Pizarro, Lucrecia
author_facet Cella Pizarro, Lucrecia
Bisigato, Alejandro Jorge
author_role author
author2 Bisigato, Alejandro Jorge
author2_role author
dc.subject.none.fl_str_mv ALLOCATION
BOUGAINVILLEA SPINOSA
CHUQUIRAGA ERINACEA
DROUGHT
GRINDELIA CHILOENSIS
GROWTH-DEFENCE TRADE-OFFS
JARAVA SPECIOSA
LARREA DIVARICATA
NITROGEN
PHENOLICS
PROSOPIS ALPATACO
TOTAL NON-STRUCTURAL CARBOHYDRATES
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
topic ALLOCATION
BOUGAINVILLEA SPINOSA
CHUQUIRAGA ERINACEA
DROUGHT
GRINDELIA CHILOENSIS
GROWTH-DEFENCE TRADE-OFFS
JARAVA SPECIOSA
LARREA DIVARICATA
NITROGEN
PHENOLICS
PROSOPIS ALPATACO
TOTAL NON-STRUCTURAL CARBOHYDRATES
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
description Background and Aims The growth-differentiation balance hypothesis (GDBH) states that there is a physiological trade-off between growth and secondary metabolism and predicts a parabolic effect of resource availability (such as water or nutrients) on secondary metabolite production. To test this hypothesis, the response of six Patagonian Monte species (Jarava speciosa, Grindelia chiloensis, Prosopis alpataco, Bougainvillea spinosa, Chuquiraga erinacea and Larrea divaricata) were investigated in terms of total biomass and resource allocation patterns in response to a water gradient. Methods One-month-old seedlings were subjected to five water supply regimes (expressed as percentage dry soil weight: 13%, 11%, 9%, 7% or 5%-field water capacity being 15%). After 150 d, plants were harvested, oven-dried and partitioned into root, stem and leaf. Allometric analysis was used to correct for size differences in dry matter partitioning. Determinations of total phenolics (TP), condensed tannins (CT), nitrogen (N) and total non-structural carbohydrates (TNC) concentrations were done on each fraction. Based on concentrations and biomass data, contents of TP and CT were estimated for whole plants, and graphical vector analysis was applied to interpret drought effect. Key ResultsFour species (J. speciosa, G. chiloensis, P. alpataco and B. spinosa) showed a decrease in total biomass in the 5% water supply regime. Differences in dry matter partitioning among treatments were mainly due to size variation. Concentrations of TP, CT, N and TNC varied little and the effect of drought on contents of TP and CT was not adequately predicted by the GDBH, except for G. chiloensis.Conclusions Water stress affected growth-related processes (i.e. reduced total biomass) rather than defence-related secondary metabolism or allocation to different organs in juvenile plants. Therefore, the results suggest that application of the GDBH to plants experiencing drought-stress should be done with caution, at least for Patagonian Monte species.
publishDate 2010
dc.date.none.fl_str_mv 2010-08
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/93530
Cella Pizarro, Lucrecia; Bisigato, Alejandro Jorge; Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes; Oxford University Press; Annals of Botany; 106; 2; 8-2010; 297-307
0305-7364
CONICET Digital
CONICET
url http://hdl.handle.net/11336/93530
identifier_str_mv Cella Pizarro, Lucrecia; Bisigato, Alejandro Jorge; Allocation of biomass and photoassimilates in juvenile plants of six Patagonian species in response to five water supply regimes; Oxford University Press; Annals of Botany; 106; 2; 8-2010; 297-307
0305-7364
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1093/aob/mcq109
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/aob/article/106/2/297/199613
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Oxford University Press
publisher.none.fl_str_mv Oxford University Press
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 15,812455

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