| Literature DB >> 18029071 |
Liliane Jean1, François Bordas, Cécile Gautier-Moussard, Philippe Vernay, Adnane Hitmi, Jean-Claude Bollinger.
Abstract
EDTA and citric acid were tested to solubilize metals and enhance their uptake by Datura innoxia, chosen because of its ability to accumulate and tolerate metals. Two application modes were used on an industrial soil contaminated mainly by Cr and Ni. The results showed that citric acid was the most effective at increasing the uptake of Cr and EDTA for Ni. These results are consistent with the effectiveness of both chelants in solubilizing metals from the soil. The translocation factor (TF) of Ni was 1.6- and 6.7-fold higher than the control, respectively, for one and two applications of 1mmolkg(-1) EDTA. After two applications of 5 and 10mmolkg(-1) citric acid, the TF of Cr increased 2- and 3.5-fold relative to the control. Whatever the concentration, the application of EDTA modified the plant physiology significantly. For citric acid this was only observed with the highest dose (10mmolkg(-1)).Entities:
Mesh：
Substances：
Year: 2007 PMID： 18029071 DOI： 10.1016/j.envpol.2007.09.013
Source DB: PubMed Journal: Environ Pollut ISSN： 0269-7491 Impact factor: 8.071