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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17123
|2 doi
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|a pubmed24n1060.xml
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|a (DE-627)NLM318259494
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|a (NLM)33259640
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Du, Baoguo
|e verfasserin
|4 aut
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|a Physiological responses of date palm (Phoenix dactylifera) seedlings to seawater and flooding
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors New Phytologist © 2020 New Phytologist Foundation.
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|a In their natural environment along coast lines, date palms are exposed to seawater inundation and, hence, combined stress by salinity and flooding. To elucidate the consequences of this combined stress on foliar gas exchange and metabolite abundances in leaves and roots, date palm seedlings were exposed to flooding with seawater and its major constituents under controlled conditions. Seawater flooding significantly reduced CO2 assimilation, transpiration and stomatal conductance, but did not affect isoprene emission. A similar effect was observed upon NaCl exposure. By contrast, flooding with distilled water or MgSO4 did not affect CO2 /H2 O gas exchange or stomatal conductance significantly, indicating that neither flooding itself, nor seawater sulfate, contributed greatly to stomatal closure. Seawater exposure increased Na and Cl contents in leaves and roots, but did not affect sulfate contents significantly. Metabolite analyses revealed reduced abundances of foliar compatible solutes, such as sugars and sugar alcohols, whereas nitrogen compounds accumulated in roots. Reduced transpiration upon seawater exposure may contribute to controlling the movement of toxic ions to leaves and, therefore, can be seen as a mechanism to cope with salinity. The present results indicate that date palm seedlings are tolerant towards seawater exposure to some extent, and highly tolerant to flooding
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a compatible solutes and other metabolites
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|a date palm (Phoenix dactylifera L.)
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|a flooding
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|a salinity
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|a shoot-root interaction
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|a stomatal conductance
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|a sulfate
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|a Ma, Yuhua
|e verfasserin
|4 aut
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|a Yáñez-Serrano, Ana Maria
|e verfasserin
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|a Arab, Leila
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|a Fasbender, Lukas
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|a Alfarraj, Saleh
|e verfasserin
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|a Albasher, Gadah
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|a Hedrich, Rainer
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|a White, Philip J
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|a Werner, Christiane
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|a Rennenberg, Heinz
|e verfasserin
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|i Enthalten in
|t The New phytologist
|d 1979
|g 229(2021), 6 vom: 15. März, Seite 3318-3329
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|g volume:229
|g year:2021
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|g day:15
|g month:03
|g pages:3318-3329
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|u http://dx.doi.org/10.1111/nph.17123
|3 Volltext
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