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Authors Gul, B; Khan, MA; Weber, DJ
Editors Ahmad, R; Malik, KA
Author Full Name Gul, B; Khan, MA; Weber, DJ
Title Salt tolerance in Salicornia rubra from a salt playa of Great Basin Desert.
Source PROSPECTS FOR SALINE AGRICULTURE
Series Tasks for Vegetation Science
Language English
Document Type Proceedings Paper
Conference Title International Seminar on Prospects for Saline Agriculture
Conference Date 2000
Conference Location ISLAMABAD, PAKISTAN
Conference Sponsors Pakistan Acad Sci, Org Islam Countries, Standing Comm Sci & Tech Cooperat, Pakistan Agr Res Council
Author Keywords germination; growth; ions; recovery; salinity
Keywords Plus SEED-GERMINATION; ION RELATIONS; SALINITY; GROWTH; TEMPERATURE; HALOPHYTE; ACCUMULATION; MECHANISMS; RESPONSES; CHLORIDE
Abstract Salicornia rubra Nels. (Chenopodiaceae) is a stem succulent annual species widely distributed in the saline pans of Northern Utah playas. Salicornia rubra showed 98% germination in non-saline controls, at higher thermperiod (25-35degreesC) compared to less than 50% germination at the lower thermoperiod (5-15degreesC). Seed germination was inhibited with the increases in salinity and few seed germinated at 1000 mM NaCl. Rate of germination also decreased with an increase in salinity. Exposure of the seeds to high salt concentration (800 and 1000 mM NaCl) had a priming effect on the seed germination. Optimal growth of S. rubra plants was recorded at 200 mM NaCl and the growth declined with a further increase in salinity. Most plants survived at 1000 mM NaCl treatment, Na+ and Cl- contents of plants increased with an increase in salinity, while calcium (Ca2+), Magnesium (Mg2+) and Potassium (K+) content decreased. Water potential of plants become more negative with the increase in salinity.
Author Address Univ Karachi, Dept Bot, Karachi 75270, Pakistan
Reprint Address Gul, B (corresponding author), Univ Karachi, Dept Bot, Karachi 75270, Pakistan.
ResearcherID Number Khan, Muhammad Ajmal/I-6429-2015; Khan, Muhammad Ajmal/L-7721-2015
ORCID Number Khan, Muhammad Ajmal/0000-0003-2837-0794
Publisher SPRINGER
Publisher City DORDRECHT
Publisher Address PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
ISSN 0167-9406
ISBN 1-4020-0620-9
29-Character Source Abbreviation TASKS VEG SCI
ISO Source Abbreviation Tasks Veg. Sci.
Year Published 2002
Volume 37
Beginning Page 365
Ending Page 375
Page Count 11
Web of Science Category Agronomy; Biotechnology & Applied Microbiology; Forestry; Soil Science
Subject Category Agriculture; Biotechnology & Applied Microbiology; Forestry
Document Delivery Number BV31K
Unique Article Identifier WOS:000178570400038
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