Article

Biological Trace Element Research

, Volume 142, Issue 1, pp 77-92

First online:

Effects of Cadmium, Chromium and Lead on Growth, Metal Uptake and Antioxidative Capacity in Typha angustifolia

  • Alieu Mohamed BahAffiliated withDepartment of Agronomy, College of Agriculture and Biotechnology, Huajiachi Campus, Zhejiang University
  • , Huaxin DaiAffiliated withDepartment of Agronomy, College of Agriculture and Biotechnology, Huajiachi Campus, Zhejiang University
  • , Jing ZhaoAffiliated withDepartment of Agronomy, College of Agriculture and Biotechnology, Huajiachi Campus, Zhejiang University
  • , Hongyan SunAffiliated withDepartment of Agronomy, College of Agriculture and Biotechnology, Huajiachi Campus, Zhejiang University
  • , Fangbin CaoAffiliated withDepartment of Agronomy, College of Agriculture and Biotechnology, Huajiachi Campus, Zhejiang University
  • , Guoping ZhangAffiliated withDepartment of Agronomy, College of Agriculture and Biotechnology, Huajiachi Campus, Zhejiang University
  • , Feibo WuAffiliated withDepartment of Agronomy, College of Agriculture and Biotechnology, Huajiachi Campus, Zhejiang University Email author 

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Abstract

This study investigates the modulation of antioxidant defence system of Typha angustifolia after 30 days exposure of 1 mM chromium (Cr), cadmium (Cd), or lead (Pb). T. angustifolia showed high tolerance to heavy metal toxicity with no visual toxic symptom when exposed to metal stress, and Cd/Pb addition also increased plant height and biomass especially in Pb treatment. Along with increased Cr, Cd, and Pb uptake in metal treatments, there was enhanced uptake of plant nutrients including Ca and Fe, and Zn in Pb treatment. A significant increase in malondialdehyde (MDA) content and superoxide dismutase (SOD) and peroxidase (POD) activities were recorded in plants subjected to Cr, Cd, or Pb stress. Furthermore, Pb stress also improved catalase (CAT), ascorbate peroxidase (APX), and glutathione peroxidase (GPX) activities; whereas Cr stress depressed APX and GPX. The results indicate that enzymatic antioxidants and Ca/Fe uptake were important for heavy metal detoxification in T. angustifolia, stimulated antioxidative enzymes, and Ca, Fe, and Zn uptake could partially explain its hyper-Pb tolerance.

Keywords

Antioxidative enzyme Heavy metal Nutrition Tolerance Typha angustifolia L