| Literature DB >> 17888550 |
Guido Lingua1, Cinzia Franchin, Valeria Todeschini, Stefano Castiglione, Stefania Biondi, Bruno Burlando, Valerio Parravicini, Patrizia Torrigiani, Graziella Berta.
Abstract
The effects of a high concentration of zinc on two registered clones of poplar (Populus alba Villafranca and Populus nigra Jean Pourtet), inoculated or not with two arbuscular mycorrhizal fungi (Glomus mosseae or Glomus intraradices) before transplanting them into polluted soil, were investigated, with special regard to the extent of root colonization by the fungi, plant growth, metal accumulation in the different plant organs, and leaf polyamine concentration. Zinc accumulation was lower in Jean Pourtet than in Villafranca poplars, and it was mainly translocated to the leaves; the metal inhibited mycorrhizal colonization, compromised plant growth, and, in Villafranca, altered the putrescine profile in the leaves. Most of these effects were reversed or reduced in plants pre-inoculated with G. mosseae. Results indicate that poplars are suitable for phytoremediation purposes, confirming that mycorrhizal fungi can be useful for phytoremediation, and underscore the importance of appropriate combinations of plant genotypes and fungal symbionts.Entities:
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Year: 2007 PMID： 17888550 DOI： 10.1016/j.envpol.2007.07.012
Source DB: PubMed Journal: Environ Pollut ISSN： 0269-7491 Impact factor: 8.071