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Authors Al-Qurainy, F; Khan, S; Tarroum, M; Nadeem, M; Alansi, S; Alshameri, A; Gaafar, AR
Author Full Name Al-Qurainy, Fahad; Khan, Salim; Tarroum, Mohamed; Nadeem, Mohammad; Alansi, Saleh; Alshameri, Aref; Gaafar, Abdel-Rhman
Title COMPARISON OF SALT TOLERANCE BETWEEN TWO POTENTIAL CULTIVARS OF L. GROWING IN SAUDI ARABIA
Source PAKISTAN JOURNAL OF BOTANY
Language English
Document Type Article
Author Keywords Salinity stress; Tolerant plant; Morphological marker; Abscisic acid
Keywords Plus ABSCISIC-ACID; SALINITY TOLERANCE; SUPEROXIDE-DISMUTASE; PROLINE ACCUMULATION; LIPID-PEROXIDATION; OXIDATIVE STRESS; RESPONSES; PLANT; GROWTH; WATER
Abstract The date palm is a woody plant growing in different regions of the world. Two potential cultivars of the date palm (Ajwa and Mabroom) from Saudi Arabia were studied for their tolerance to salinity stress (0, 50, 100 and 150 mM NaCl). Salinity stress affected morphometric traits as well as biomass yield in both cultivars. The percent germination under different concentrations of NaCl was greater in the Ajwa compared to the Mabroom. The Ajwa cultivar showed enhanced activities of antioxidant enzymes (Catalase: CAT; superoxide dismutase: SOD and glutathione reductase; GR) than the Mabroom. Thiobarbituric acid reactive substance (TBARS) content increased in both cultivars compared to the control. The osmolytes level (proline) was increased whereas soluble protein was decreased in both cultivars. The leaf relative water content (LRWC) was decreased as compared to the control and greater reduction was seen in the Mabroom cultivar. Abscisic acid content was found to be higher in the Ajwa cultivar than that in the control plant and Mabroom. In conclusion, the Ajwa cultivar showed greater salinity tolerance compared to Mabroom which possible owing to the presence of tolerance genes in the genome.
Author Address [Al-Qurainy, Fahad; Khan, Salim; Tarroum, Mohamed; Nadeem, Mohammad; Alansi, Saleh; Alshameri, Aref; Gaafar, Abdel-Rhman] King Saud Univ, Coll Sci, Dept Bot & Microbiol, Riyadh 11451, Saudi Arabia
Reprint Address Khan, S (corresponding author), King Saud Univ, Coll Sci, Dept Bot & Microbiol, Riyadh 11451, Saudi Arabia.
E-mail Address salimkhan17@yahoo.co.in
ORCID Number GAAFAR, ABDEL-RHMAN/0000-0001-6218-9572
Funding Agency and Grant Number King Saud University Riyadh, Saudi ArabiaKing Saud University [RSP2019/73]
Funding Text Researchers supporting project number (RSP2019/73), King Saud University Riyadh, Saudi Arabia.
Times Cited 1
Total Times Cited Count (WoS, BCI, and CSCD) 1
Publisher PAKISTAN BOTANICAL SOC
Publisher City KARACHI
Publisher Address DEPT OF BOTANY UNIV KARACHI, 32 KARACHI, PAKISTAN
ISSN 0556-3321
29-Character Source Abbreviation PAK J BOT
ISO Source Abbreviation Pak. J. Bot.
Publication Date JUN
Year Published 2020
Volume 52
Issue 3
Beginning Page 753
Ending Page 761
Digital Object Identifier (DOI) 10.30848/PJB2020-3(16)
Page Count 9
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number KY2LS
Unique Article Identifier WOS:000522404600002
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