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Effects of Fe2+ on the Growth and Physio-chemical Characters of Spirodela polyrrhiza(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年11期
Page:
15-18
Research Field:
Publishing date:

Info

Title:
Effects of Fe2+ on the Growth and Physio-chemical Characters of Spirodela polyrrhiza
Author(s):
XU Xiao-hui1 LIN Hai-fang2ZOU Ke-qin1
1.College of Life Sciences,China Jiliang University,Hangzhou,Zhejiang 310018;
2.College of Moderm Science and Technology,China Jiliang University,Hangzhou,Zhejiang 310018
Keywords:
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PACS:
Q 945.3;S 181
DOI:
-
Abstract:
The effect of Fe2+ on the growth,the content of photosynthetic pigment,Fv/Fm,the activity of peroxide(POD),the content of MDA of Spirodela polyrrhiza were studied in a solution culture system.The results showed that when the concentration of Fe2+ was from 0.2 mg/L to 10 mg/L,Fe2+ had limited effect on the growth,Fv/Fm,the content of soluble protein and MDA of Spirodela polyrrhiza,but could increase the content of pigment and the activity of peroxide(POD).When the concentration of Fe2+ was more than 20 mg/L,the growth was inhibited,the content of pigment,Fv/Fm,the activity of peroxide(POD) was decreased,and the content of MDA was increased significantly.These showed that the apparent toxic effect of Fe2+

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Last Update: 2014-09-24