The study of phytoremediation potential of 3 species of Salixalba, S. acmophylla and S. fragilisunder Lead stress | ||
| تحقیقات حمایت و حفاظت جنگلها و مراتع ایران | ||
| Article 6, Volume 11, Issue 1 - Serial Number 21, May 2013, Pages 60-67 PDF (306.45 K) | ||
| Document Type: Research Article | ||
| DOI: 10.22092/ijfrpr.2013.106400 | ||
| Authors | ||
| S. Hooshmand; A. Ghamarizare* ; A. Shariat; Kh. Kiarostami | ||
| Abstract | ||
| Lead (Pb) is one of the most dangerous contaminants to environment. This element has ability to remain in soil for long time and being poisonous to human, animal and plants. Using lead hyper-accumulator plants is a useful method for lead elimination from plotted environment. Lead tolerance determined in three Salix species (Salix alba, S. acmophylla and S. fragilis), in a completely randomized design experiment at Pb concentrations of 0, 50, 100 and 200 mM with 3 replications in form of Pb(No3)2 applied in water of irrigation on 130 days old seedlings. Physiological characters such as sugar soluble, proline, total chlorophyll and Pb concentration in leaves, stem and root measured with ICP (Inductivity Coupled Plasma) device by fresh oxidation's method on the Salix's seedlings, after 75 days of lead treatments. The maximum amount of Pb fund in leaves of S. alba (311.91 mg/kg dwt) and in roots of S. fragilis (1631.4 mg/kg dwt). With due attention to, S. alba had the most soluble sugar and free proline at 200 and 100 mMPb treatments (1477.78 and 14.18 mg/kg dwt respectively), it can be used for lead reduction from polluted environmental. | ||
| Keywords | ||
| phytoremediation; Salix; Lead; Soluble sugar; proline and chlorophyll | ||
| References | ||
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