Phytoremediation of heavy metals by Alternanthera bettzickiana: Growth and physiological response.
作者： Hafiz Muhammad Tauqeer , Shafaqat Ali , Muhammad Rizwan , Qasim Ali , Rashid Saeed
DOI: 10.1016/J.ECOENV.2015.12.031
关键词: Phytoremediation 、 Peroxidase 、 Chemistry 、 Cadmium 、 Catalase 、 APX 、 Horticulture 、 Shoot 、 Alternanthera bettzickiana 、 Superoxide dismutase 、 Botany
摘要: The present study was aimed to evaluate the morphological, physiological and biochemical responses of Alternanthera Bettzickiana (Regel) G. Nicholson plant subjected different levels cadmium (Cd) lead (Pb) (0, 0.5, 1.0 2.0 mM) stress. A. bettzickiana able accumulate Cd Pb in parts total uptake both metals higher shoots than roots. Plant growth, biomass photosynthetic pigments increased with increasing metal concentrations, up mM, soil then decreased levels. activities superoxide dismutase (SOD), peroxidase (POD), catalase (CAT) ascorbate (APX) under lower (0.5 while at (2.0 mM). Leaf root electrolyte leakage (EL), malondialdehyde (MDA) hydrogen peroxide (H2O2) contents (≤1.0 clearly signifies potential towards tolerance accumulation especially
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