Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes

Background and aims: Food production is threatened by direct climate change effects including drought. Indirect effects, including changes in plant-pathogen dynamics and increased susceptibility to pathogens, further exacerbate the risks. Root exudation, which plays a crucial role in plant defence a...

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Autores: Preece, Catherine|||0000-0001-6584-3541, Yang, Kaijun|||0000-0003-0085-9395, Llusia, Joan|||0000-0003-0164-2737, Barbro Winkler, Jana|||0000-0002-7092-9742, Schnitzler, Jörg-Peter|||0000-0002-9825-867X, Peñuelas, Josep|||0000-0002-7215-0150
Tipo de recurso: artículo
Fecha de publicación:2024
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:287435
Acceso en línea:https://ddd.uab.cat/record/287435
https://dx.doi.org/urn:doi:10.1007/s11104-023-06421-9
Access Level:acceso abierto
Palabra clave:Rhizodeposition
Pipecolic acid
Total organic carbon
Total nitrogen
Solanum lycopersicum
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spelling Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoesPreece, Catherine|||0000-0001-6584-3541Yang, Kaijun|||0000-0003-0085-9395Llusia, Joan|||0000-0003-0164-2737Barbro Winkler, Jana|||0000-0002-7092-9742Schnitzler, Jörg-Peter|||0000-0002-9825-867XPeñuelas, Josep|||0000-0002-7215-0150RhizodepositionPipecolic acidTotal organic carbonTotal nitrogenSolanum lycopersicumBackground and aims: Food production is threatened by direct climate change effects including drought. Indirect effects, including changes in plant-pathogen dynamics and increased susceptibility to pathogens, further exacerbate the risks. Root exudation, which plays a crucial role in plant defence against drought and pathogens, is influenced by both water stress and pathogens. However, the interactive effects of these abiotic and biotic factors are rarely studied. Methods We conducted a controlled environment experiment to investigate the effects of moderate drought and simulated pathogen attack (using pipecolic acid, an inducer of systemic acquired resistance) on the rates of root exudation of total organic carbon (TOC) and total nitrogen (TN) of four tomato cultivars grown in potting soil. Results:Drought increased the exudation of TOC and TN per unit of root area, while pipecolic acid did not have any significant effect. Furthermore, there was no interaction observed between the abiotic and biotic factors. However, due to the reduction in plant and root biomass caused by drought, the total exudation per plant remained similar between control and water-limited plants. Additionally, pipecolic acid reduced the carbon-to-nitrogen ratio of exudates and increased the total exudation of TN. Conclusion: The increased exudation observed in drought-stressed plants may serve as a strategy to maintain root and rhizosphere activity despite reduced root growth. Notably, the impact of drought differed among the tested cultivars, highlighting their diverse levels of drought tolerance. This emphasises the importance of preserving a wide range of crop cultivars to ensure food security under increasing drought. 22024-01-0120242024-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/287435https://dx.doi.org/urn:doi:10.1007/s11104-023-06421-9reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengAgencia Estatal de Investigación https://doi.org/10.13039/501100011033 TED2021-132627B-I00Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2021/SGR-1333open accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:2874352026-06-06T12:50:31Z
dc.title.none.fl_str_mv Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
title Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
spellingShingle Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
Preece, Catherine|||0000-0001-6584-3541
Rhizodeposition
Pipecolic acid
Total organic carbon
Total nitrogen
Solanum lycopersicum
title_short Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
title_full Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
title_fullStr Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
title_full_unstemmed Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
title_sort Combined effects of drought and simulated pathogen attack on root exudation rates of tomatoes
dc.creator.none.fl_str_mv Preece, Catherine|||0000-0001-6584-3541
Yang, Kaijun|||0000-0003-0085-9395
Llusia, Joan|||0000-0003-0164-2737
Barbro Winkler, Jana|||0000-0002-7092-9742
Schnitzler, Jörg-Peter|||0000-0002-9825-867X
Peñuelas, Josep|||0000-0002-7215-0150
author Preece, Catherine|||0000-0001-6584-3541
author_facet Preece, Catherine|||0000-0001-6584-3541
Yang, Kaijun|||0000-0003-0085-9395
Llusia, Joan|||0000-0003-0164-2737
Barbro Winkler, Jana|||0000-0002-7092-9742
Schnitzler, Jörg-Peter|||0000-0002-9825-867X
Peñuelas, Josep|||0000-0002-7215-0150
author_role author
author2 Yang, Kaijun|||0000-0003-0085-9395
Llusia, Joan|||0000-0003-0164-2737
Barbro Winkler, Jana|||0000-0002-7092-9742
Schnitzler, Jörg-Peter|||0000-0002-9825-867X
Peñuelas, Josep|||0000-0002-7215-0150
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Rhizodeposition
Pipecolic acid
Total organic carbon
Total nitrogen
Solanum lycopersicum
topic Rhizodeposition
Pipecolic acid
Total organic carbon
Total nitrogen
Solanum lycopersicum
description Background and aims: Food production is threatened by direct climate change effects including drought. Indirect effects, including changes in plant-pathogen dynamics and increased susceptibility to pathogens, further exacerbate the risks. Root exudation, which plays a crucial role in plant defence against drought and pathogens, is influenced by both water stress and pathogens. However, the interactive effects of these abiotic and biotic factors are rarely studied. Methods We conducted a controlled environment experiment to investigate the effects of moderate drought and simulated pathogen attack (using pipecolic acid, an inducer of systemic acquired resistance) on the rates of root exudation of total organic carbon (TOC) and total nitrogen (TN) of four tomato cultivars grown in potting soil. Results:Drought increased the exudation of TOC and TN per unit of root area, while pipecolic acid did not have any significant effect. Furthermore, there was no interaction observed between the abiotic and biotic factors. However, due to the reduction in plant and root biomass caused by drought, the total exudation per plant remained similar between control and water-limited plants. Additionally, pipecolic acid reduced the carbon-to-nitrogen ratio of exudates and increased the total exudation of TN. Conclusion: The increased exudation observed in drought-stressed plants may serve as a strategy to maintain root and rhizosphere activity despite reduced root growth. Notably, the impact of drought differed among the tested cultivars, highlighting their diverse levels of drought tolerance. This emphasises the importance of preserving a wide range of crop cultivars to ensure food security under increasing drought.
publishDate 2024
dc.date.none.fl_str_mv 2
2024-01-01
2024
2024-01-01
dc.type.none.fl_str_mv 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://ddd.uab.cat/record/287435
https://dx.doi.org/urn:doi:10.1007/s11104-023-06421-9
url https://ddd.uab.cat/record/287435
https://dx.doi.org/urn:doi:10.1007/s11104-023-06421-9
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 TED2021-132627B-I00
Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2021/SGR-1333
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://creativecommons.org/licenses/by/4.0/
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
https://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
reponame_str Dipòsit Digital de Documents de la UAB
collection Dipòsit Digital de Documents de la UAB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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