HEAVY-METAL CONTENT IN XYLEM SAP (VITIS-VINIFERA) FROM MINING AND SMELTING AREAS

Citation
L. Leita et al., HEAVY-METAL CONTENT IN XYLEM SAP (VITIS-VINIFERA) FROM MINING AND SMELTING AREAS, Environmental monitoring and assessment, 50(2), 1998, pp. 189-200
Citations number
24
Categorie Soggetti
Environmental Sciences
ISSN journal
01676369
Volume
50
Issue
2
Year of publication
1998
Pages
189 - 200
Database
ISI
SICI code
0167-6369(1998)50:2<189:HCIXS(>2.0.ZU;2-D
Abstract
No data are available on the content of heavy metals in the xylem sap of grapevines growing in contaminated areas. The aim of this work was to obtain data on the concentration of Pb, Zn, Cd and Cu in the xylem sap of grapevine (Vitis vinifera) cultivar Monica (ungrafted), growing near contaminated sites: a smelter, an abandoned and an active mine, and to investigate relationships between xylem sap mineral composition and the heavy metal content of the soil. The concentrations of Pb, Zn , Cd and Cu in the sap were enhanced compared to that of the soil, ran ging from 4.3 to 611.4 mu g Pb g(d.wt.)(-1), 801 to 6176 mu g Zn g(d.w t.)(-1), 2.5 to 45 mu g Cd g(d.wt.)(-1) and 19.8 to 161 mu g Cu g(d.wt .)(-1). Dry matter of xylem sap was significantly related to the heavy metals content in xylem saps, but no significant relationship between the metals in sap and total and DTPA/TEA extractable metal fraction i n soil was found.