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Publication Type J
Authors Ozdener, Y. and H. G. Kutbay
Title Effect of salinity and temperature on the germination of Spergularia marina seeds and ameliorating effect of ascorbic and salicylic acids
Source Journal of Environmental Biology
Author Keywords Spergularia marina Salinity Temperature Germination Ascorbic acid Salicylic acid early seedling growth wheat seedlings water-stress light salt halophytes chenopodiaceae responses recovery grass
Abstract Spergularia marina (Caryophyllaceae) is a halophytic species and widely distributed among the seashores of Turkey. Its seeds maybe unwinged or winged. Laboratory experiments were conducted to determine the effects of salinity (0, 50, 100 and 500mM NaCl) and temperature (10, 15, 25, 30, 35 degrees C) on seed germination. S. marina showed 73.3% germination in non-saline controls at 25 degrees C. No germination occurred at 30 degrees C and 35 degrees C. Seed germination of Spergularia marina was significantly affected by salinity levels, temperature and their interactions. Maximum final germination percentage occured under the lowest salinity condition (50mM) and distilled water at 25 degrees C. Seed germination was completely inhibited by 500 mM NaCl, although seed germination rate was not affected by salinity, Recovery germination was greatest in 500mM and at 25 degrees C. The rate of germination was significantly affected by temperature (p<0.01). The germination percentage of the seeds pretreated with 40mM and 60 mML-ASA in 50mM and 100 mM NaCl was improved compared with that of untreated L-ASA Addition of 0.5mM salicylic acid (SA) improved the germination in 50 mMNaCl.
Author Address [Ozdener, Y; Kutbay, HG] Ondokuz Mayis Univ, Fac Sci & Art, Dept Biol, TR-55139 Kurupelit, Samsun, Turkey Ozdener, Y (reprint author), Ondokuz Mayis Univ, Fac Sci & Art, Dept Biol, TR-55139 Kurupelit, Samsun, Turkey yzsemino@omu.edu.tr
ISSN 0254-8704
ISBN 0254-8704
29-Character Source Abbreviation J.Environ.Biol.
Publication Date Nov
Year Published 2008
Volume 29
Issue 6
Beginning Page 959-964
Unique Article Identifier WOS:000261580800029
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