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Publication Type J
Authors Zia, S., T. P. Egan and M. A. Khan
Title Growth and selective ion transport of Limonium stocksii Plumbaginacea under saline conditions
Source Pakistan Journal of Botany
Author Keywords salt tolerance water relations succulent halophyte perennial halophyte resistant plants spartina-patens sodium-chloride stress nacl accumulation
Abstract Limonium stocksii is a perennial forb found on the Arabian Sea coast near Karachi, Pakistan. Plants were grown in plastic pots using sub-irrigation under natural conditions. Growth parameters and plant succulence were highest at 0 and 10 dS m(-1) salinity (both NaCl and seawater). An increase in growth medium salinity progressively decreased growth, but plants survived in up to 60 dS m(-1). No significant difference was observed between NaCl and seawater treatments. Succulence did not change at low salinity (10 dS m-1), however, a further increase in salinity substantially decreased tissue water content. Plants accumulated high quantities of Na+ and Cl- with the induction of salinity in the medium. The selective transport capacity of L. stocksii for Na+ over other elements increased with an increase in salinity in both root and stem, however, roots displayed lower selective ion transport capacity compared to stem.
Author Address [Zia, Sabahat; Khan, M. Ajmal] Univ Karachi, Inst Sustainable Halophyte Utilizat, Karachi 75270, Pakistan. [Egan, Todd P.] Elmire Coll, Div Math & Nat Sci, New York, NY 14901 USA. Khan, MA (reprint author), Univ Karachi, Inst Sustainable Halophyte Utilizat, Karachi 75270, Pakistan. ajmalk@super.net.pk
ISSN 0556-3321
ISBN 0556-3321
29-Character Source Abbreviation Pak. J. Bot.
Publication Date Apr
Year Published 2008
Volume 40
Issue 2
Beginning Page 697-709
Unique Article Identifier WOS:000257835400022
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