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Abstract
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Article Information:
The Effects of NaCl Stress on the Physiological and Oxidative Situation of Maize (Zea mayz L.) Plants in Hydroponic Culture
Hamid Noorani Azad, Mohammad Reza Hajibagheri, Farshid kafilzadeh and Majid Shabani
Corresponding Author: Hamid Noorani Azad
Submitted: 2011 September, 12
Accepted: 2011 October, 09
Published: 2012 January, 20 |
Abstract:
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The effects of NaCl salinity on biomass, Malondialdehyde (MDA), peroxidase (POD), Catalase
(CAT), Na+, K+, Ca2+ and proline in Zea mays L. seedlings were investigated under hydroponic condition.
Seedlings were subjected to NaCl stress (0, 50, 100, 150 and 200 mM) for 14 days. A completely randomized
design with four replicates for each treatment was used. Salinity stress affected on the growth and caused a
reduction in root and shoot biomass. NaCl treatment caused a significant increase in root MDA content. NaCl
at 100 mM and higher increased also the shoot MDA content significantly. Catalase activity of leaf was
significantly increased at 100, 150 and 200 mM NaCl in comparison with the control. Peroxidase activity in
leaf started to significant increase with the rise of NaCl content at 150 and 200 mM. The leaf Na+ content, root
and shoot proline concentrations increased with the increase in salinity stress. The leaf K+ and Ca2+ amounts
were significantly decreased with the rise of salinity stress in comparison with control.
Key words: Antioxidative enzymes, maize, MDA, proline, salt stress, ,
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Abstract
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Cite this Reference:
Hamid Noorani Azad, Mohammad Reza Hajibagheri, Farshid kafilzadeh and Majid Shabani, . The Effects of NaCl Stress on the Physiological and Oxidative Situation of Maize (Zea mayz L.) Plants in Hydroponic Culture. Current Research Journal of Biological Sciences, (1): 17-22.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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