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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Sep 2011, 32 (5)                                     Back


nstantaneous and historical temperature effects on a-pinene

Causes of salinity and plant manifestations to salt stress: A review

 

Author Details

 

Sangeeta Yadav

Plant Physiology Section, Department of Botany, Aligarh Muslim University, Aligarh - 202 002, India

Mohd. Irfan

Plant Physiology Section, Department of Botany, Aligarh Muslim University, Aligarh - 202 002, India

Aqil Ahmad

Plant Physiology Section, Department of Botany, Aligarh Muslim University, Aligarh - 202 002, India

Shamsul Hayat

(Corresponding author)

Plant Physiology Section, Department of Botany, Aligarh Muslim University, Aligarh - 202 002, India

e-mail: shayat@lycos.com

 

 

 

 

Publication Data

Paper received:

10 October 2009

 

Revised received:

14 September 2010

 

Accepted:

24 September 2010

 

Abstract

Salinity in agricultutal terms is the excess of salts above the level plant require. Most often it poses constrains in the growth hence productivity of the category of plants called glycophytes, wherein falls major crops, therefore is a serious concern. It is often recognized as excess of sodium ions (sodicity) that imparts life threatening consequences in plant due to mal-textured soil hindered porosity and aeration leads to physiological water deficit. Mingling with other edaphic/environmental factors viz. precipitation, temperature, flooding, soil profile, water table exaggerates the catastrophe synergistically. Improper irrigations system, leaching fraction added with land clearing and deforestation have been marked as the major cause. The present review underlines the different sources of salinity stress and their physiological manifestations, toxicity responses alongwith tolerance in plants and management strategies in affected landscapes.

 

Key words

Salinity stress, Planet tolerance, Physiological manifestation, Management strategies

 

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