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has been cited by the following article:

• TITLE: Salicylic Acid Alleviates Aluminum Toxicity in Tomato Seedlings (Lycopersicum esculentum Mill.) through Activation of Antioxidant Defense System and Proline Biosynthesis

  AUTHORS: Varalakshmi Surapu, Anjaneyulu Ediga, Balaji Meriga

  KEYWORDS: Aluminum, Antioxidant Enzymes, Proline, Malondialdehyde, Salicylic Acid

  JOURNAL NAME: Advances in Bioscience and Biotechnology, Vol.5 No.9, August 28, 2014

  ABSTRACT: The aim of this work was to evaluate the alleviating efficacy of salicylic acid (100, 250 and 500 μM) against the toxic effects of aluminum (Al) on two tomato cultivars (GOWRI and SIRI) differing in their sensitivity to Al stress. Al treatment (500 μM) caused 40% - 80% drop in plant growth, relative water content (RWC) and cell viability and a reduction of 1 - 2.5 fold and 0.5 - 2 fold in glutathione and proline content respectively, when compared to their control plants grown in Al free medium. Al treatment also resulted in 2 - 5 fold raise in malondialdehyde (MDA) levels, 2 - 3 fold higher Al uptake and 55% - 80% more electrolyte leakage and caused severe DNA damage. Al stress enhanced (1 - 2 fold) the activities of superoxide dismutase (SOD) and peroxidase (POD), but decreased catalase (CAT) activity over their respective controls. Exogenously-applied Salicylic acid (SA) significantly (p