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Authors Hardikar, SA; Panchal, NS; Pandey, AN
Author Full Name Hardikar, Seema Abhay; Panchal, Nilesh S.; Pandey, Amar Nath
Title Growth, water status and nutrient accumulation of seedlings of Salvadora oleoides (Decne.) in response to soil salinity
Source TROPICAL ECOLOGY
Language English
Document Type Article
Author Keywords Macro- and micro-nutrients; proline content; salt tolerance; seedling growth; soil salinity; water potential
Keywords Plus SALT TOLERANCE; RICE SEEDLINGS; NACL SALINITY; K+ UPTAKE; STRESS; PLANTS; SALINIZATION; ENVIRONMENTS; PHYSIOLOGY; POTASSIUM
Abstract We investigated the response of Salvadora oleoides Decne. (Salvadoraceae), a dominant tree in the arid regions of western India and Pakistan, to a range of soil salinities. Greenhouse experiments were conducted to assess the effects of soil salinity on seedling emergence, growth, water status, proline content and mineral accumulation. Sodium chloride was added to the soil and salinity was maintained at 0.2, 3.9, 6.2, 8.1, 10.0, 11.9 and 13.9 dS m(-1). Salinity caused reduction in water content and water potential of tissues, which resulted in internal water deficit to plants. Consequently, seedling growth decreased and proline content in tissues increased with increase in salinity. This species has high selectivity for potassium but lacks effective mechanisms to control net uptake of sodium and its transport to shoots. Phosphorus, calcium and magnesium content in tissues significantly decreased while nitrogen content increased as salinity increased. We discuss changes in tissues and whole-plant accumulation patterns of nutrients, as well as possible mechanisms for avoidance of sodium toxicity in this species in response to salinity.
Author Address [Hardikar, Seema Abhay; Panchal, Nilesh S.; Pandey, Amar Nath] Saurashtra Univ, Dept Biosci, Rajkot 360005, Gujarat, India
Reprint Address Pandey, AN (corresponding author), Saurashtra Univ, Dept Biosci, Rajkot 360005, Gujarat, India.
E-mail Address anpandey2001@gmail.com
Funding Agency and Grant Number University Grants Commission, New DelhiUniversity Grants Commission, India
Funding Text The financial support from Departmental Special Assistance provided by the University Grants Commission, New Delhi, is gratefully acknowledged.
Times Cited 3
Total Times Cited Count (WoS, BCI, and CSCD) 3
Publisher SCIENTIFIC PUBLISHERS
Publisher City JODHPUR
Publisher Address 5A, NEW PALI RD, JODHPUR, RAJASTHAN 342 001, INDIA
ISSN 0564-3295
29-Character Source Abbreviation TROP ECOL
ISO Source Abbreviation Trop. Ecol.
Publication Date SEP
Year Published 2011
Volume 52
Issue 3
Beginning Page 253
Ending Page 264
Page Count 12
Web of Science Category Ecology
Subject Category Environmental Sciences & Ecology
Document Delivery Number 804TY
Unique Article Identifier WOS:000293678100003
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