期刊
SOIL & SEDIMENT CONTAMINATION
卷 24, 期 8, 页码 909-916出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15320383.2015.1071777
关键词
Cadmium; indole-3-acetic acid; phytoremediation; S. nigrum
资金
- Ministry of Agriculture of the People's Republic of China [201203045]
In this study, a pot experiment using Solanum nigrum L. grown in cadmium-contaminated soil was conducted in a greenhouse. Indole-3-acetic acid (IAA) was applied at three different concentrations (1mgL(-1), 10mgL(-1), and 100mgL(-1)) to examine the effects on phytoremediation efficiency. According to the experimental results, IAA increased the shoot biomass of S. nigrum significantly, by 124% at the highest concentration used, and increased the Cd concentration in the shoot of S. nigrum by 16%. The Cd extraction amount from a single plant was increased by up to 158%, demonstrating potential practical application for remediation practice.
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