Salix viminalis L. - A highly effective plant in phytoextraction of elements

Chemosphere
Mirosław MleczekPrzemysław Niedzielski

Abstract

The aim of the study was to compare specimens of Salix viminalis L. able to grow in polluted mining sludge (A1) with specimens of the same willow clone growing in two unpolluted areas (A2 and A3). Plants from the polluted area were characterized by the highest accumulation of the majority of elements in their organs with a clear limitation of their uptake to roots and effective translocation to aboveground organs. Willows from the unpolluted areas were characterized by significantly higher biomass than the treated plants, as shown in the content of cellulose/holocellulose. The different chemical characteristics of the substrates influenced tree physiology, including the organic acids and phenolic compounds profile and/or content. The total content of organic acids in lateral roots was higher for S. viminalis L. grown in unpolluted areas, while for leaves the opposite situation was observed. However, their creation was significantly correlated with the content of the majority of elements in the organs of S. viminalis L. Enhanced synthesis of phenolic compounds in roots (besides quercetin) and in leaves (besides myricetin and quercetin) was confirmed in the polluted area, and correlated with metal content in plant organs. Resilie...Continue Reading

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Citations

Aug 1, 2019·International Journal of Phytoremediation·Danijela ArsenovSlobodanka Pajevic
Aug 1, 2019·Environmental Science and Pollution Research International·Aishath NailaGraziella Berta
Jul 27, 2021·International Journal of Phytoremediation·Sylwia BudzyńskaMirosław Mleczek

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