Affordable Access

Access to the full text

Hybrid larch (Larix x eurolepis Henry): a good candidate for cadmium phytoremediation?

Authors
  • Moudouma, Chris Fabien Moussavou1
  • Riou, Catherine1
  • Gloaguen, Vincent1
  • Saladin, Gaëlle1
  • 1 Université de Limoges, Laboratoire de Chimie des Substances Naturelles (EA 1069), Faculté des Sciences et Techniques, 123 avenue Albert Thomas, Limoges Cedex, 87060, France , Limoges Cedex (France)
Type
Published Article
Journal
Environmental Science and Pollution Research
Publisher
Springer-Verlag
Publication Date
Jan 04, 2013
Volume
20
Issue
3
Pages
1889–1894
Identifiers
DOI: 10.1007/s11356-012-1419-6
Source
Springer Nature
Keywords
License
Yellow

Abstract

Studies related to phytoremediation by conifers are still at their beginning. Thus, we investigated the ability of a hybrid larch (Larix x eurolepis) to accumulate cadmium (Cd). One-month-old clonal plantlets grown in vitro were exposed for 1 week to a high Cd concentration (1.5 mM). No significant effect was observed on root and shoot biomass, root length, and needle number as a result of Cd treatment. Leaf photosynthetic pigment content and total soluble protein concentration in roots and shoots remained unchanged compared to control plantlets. Taken together, these results suggested that hybrid larch tolerated Cd in our conditions. The high Cd concentration in shoots (200 μg Cd gram−1 dry weight) showed the good capacity of larch to translocate Cd and thus a potential use of this species for phytoremediation. Furthermore, under our conditions, phytochelatin biosynthesis pathway was slightly stimulated, suggesting that this pathway did not reach the threshold and/or another mechanism of Cd storage may be involved to explain larch tolerance to Cd.

Report this publication

Statistics

Seen <100 times