Wuhan University Journal of Natural Sciences

, Volume 18, Issue 6, pp 541–548 | Cite as

Effects of zinc on physiologic characterization and cadmium accumulation and chemical forms in different varieties of pepper

  • Chongli Wang
  • Weihong Xu
  • Hong Li
  • Kun Zhou
  • Jun Liu
  • Mingzhong Zhang
Article

Abstract

The effects of zinc (Zn) at different spray concentrations (0, 500, and 1 000 μmol·L−1) on the plant growth, the activities of antioxidant enzymes chemical forms of cadmium (Cd), and the accumulation of Cd were studied and compared between two varieties, Shijichaotianjiao (SJCTJ) and Yanjiao425 (YJ425) of pepper (Capsicum annuum L.) in Cd-contaminated soil (Cd 10 ·mg kg−1). The activities of catalase (CAT) and peroxidase (POD) were generally enhanced by Zn. However, superoxide dismutase (SOD) decreased. Addition of Zn decreased the ethanol-extractable Cd, NaCl-extractable Cd, and acetic acid-extractable Cd in the fruit by 34.6%–55.3%, 2.0%–17.7% and 0.4%–32.9%, and reduced the accumulation of Cd in fruit and plant total Cd by 12.8%–68.6% and 9.0%–29.3% in both varieties, respectively.

Key words

interaction of Cd and Zn physiologic characterization Cd fractions Cd accumulation pepper (Capsicum annuum L.) 

CLC number

X 173 

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Copyright information

© Wuhan University and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Chongli Wang
    • 1
  • Weihong Xu
    • 1
  • Hong Li
    • 2
  • Kun Zhou
    • 1
  • Jun Liu
    • 1
  • Mingzhong Zhang
    • 1
  1. 1.College of Resources and Environmental SciencesSouthwest UniversityChongqingChina
  2. 2.Lancaster Environment CentreLancaster UniversityBailrigg, LancasterUK

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