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Publication Type J
Authors Zia, S. and M. A. Khan
Title Seed germination of Limonium stocksii under saline conditions
Source Pakistan Journal of Botany
Author Keywords triglochin-maritima induced dormancy temperature growth halophytes responses grass alleviation tolerance plants
Abstract Limonium stocksii (Boiss.) O. Kuntze, (Plumbaginaceae) a secreting, perennial shrub is widely distributed in the inter-tidal zones of Karachi, Pakistan. The effect of seawater and Sodium chloride showed that the seed germinated both under a 12-h photoperiod and complete darkness in 0, 10, 20, 30, 40 and 50 dS m(-1) seawater and Sodium chloride at different temperature regimes (10 degrees:20 degrees, 15 degrees:25 degrees, 20 degrees:30 degrees and 25 degrees:35 degrees C). Seed germination decreased with an increase in salinity and few seeds germinated above 30 dS m(-1) in seawater (25 degrees:35 degrees C). When seawater effect on germination was compared with that of NaCl, seawater appeared to inhibit seed germination more than NaCl at low and moderate temperatures but at the highest temperature regime (25 degrees:35 degrees C) seed germination in seawater was more than NaCl. Absence of light had little effect under non-saline condition, however, addition of salinity inhibited seed germination in dark and this inhibition was higher in seawater. Seeds when transferred to distilled water after 20-d of either NaCl or seawater treatments recovered completely.
Author Address [Zia, Sabahat; Khan, M. Ajmal] Univ Karachi, Dept Bot, Karachi 75270, Pakistan. Zia, S (reprint author), Univ Karachi, Dept Bot, Karachi 75270, Pakistan. majmalk@uok.edu.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 683-695
Unique Article Identifier WOS:000257835400021
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