|Table of Contents|

Biological Responses of Aralia elata var.inermis to Heavy Metal Combined Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年15
Page:
1-6
Research Field:
Publishing date:

Info

Title:
Biological Responses of Aralia elata var.inermis to Heavy Metal Combined Stress
Author(s):
LI Desheng; PENG Ling; ZHANG Sen; MENG Li; RU Liye
（College of Environment Science and Safety Engineering，Tianjin University of Technology，Tianjin 300384）
Keywords:
Aralia elata; combined stress; malondialdehyde(MDA); catalase(CAT); peroxidase(POD)
PACS:
-
DOI:
10.11937/bfyy.201515001
Abstract:
Taking Aralia elata var. inermis as materials，with 8 treatments including single and combined stress of cadmium(1，5，20，50 mg/kg)，lead(100，500，1 000，1 500 mg/kg) and zinc(100，500，1 000，1 500 mg/kg)，a pot experiment was conducted to study the effect of heavy metals cadmium，lead and zinc in the soil on soluble protein and soluble sugar contents，oxidation protective enzyme activity and membrane lipid peroxidation in leaves of Aralia elata var.inermis.The results showed that the soluble protein content was decreased as heavy mental concentration increased under Cd+Zn or Pb+Zn combined stress，but there was an increasing-decreasing trend for the other groups.The soluble sugar content was increased as heavy mental concentration increased under Zn single stress，and there was an decreasing-increasing trend for the other groups.The malondialdehyde(MDA) content was an increasing-decreasing trend as heavy mental concentration increased under single stress.The catalase(CAT) activity increased as heavy mental concentration increased under single stress，but it was an increasing-decreasing trend for combined stress.The peroxidase(POD) activities decreased with heavy mental concentration increased under single stress，while it increased under combined stress except Cd+Pb.

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Last Update: 2015-08-18