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Indexed/Abstracted in: EMBASE, Science Citation Index Expanded (SciSearch), Scopus
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Online ISSN 1827-160X
BIOREMEDIATION - Part II
Predieri S. 1, Figai J. 2, Rachwal L. 2, Gatti E. 1, Rapparini F. 1
1 Istituto di Ecofisiologia delle Piante Arboree da Frutto ISTEA, Area Ricerca CNR, Bologna, Italy;
2 Instytut Dendrologii (PAN) Polish Academy of Sciences, Kórnik, Poland
Background. The feasibility of the use of plants to limit the spread of pesticides released from inappropriate storage facilities was analyzed through the case-study of the selection of plant species best suited for tolerance and uptake of pesticides from water and soil near the resort village of Niedzwiady, where a leaking tomb containing xenobiotics is situated. The leakage is posing risks of heavy contamination of underground water and, consequently, to the superficial water used in the area for drinking and for agricultural uses. The extent of the problem, which affects a very large number of sites with different contamination issues, calls for the development of fast, economic, and reliable methods for tolerant plant selection.
Materials and methods. The screening of plant species suitable for phytoremediation was approached through studies at four different levels: plant tissue culture, small-scale experiments, in situ pilot-scale remediation, and the planning of full-scale procedures.
Results. The various Populus clones and cultivars that were tested have shown different degrees of tolerance to the xenobiotic solution obtained from the original contaminated site. Some clones have shown consistent responses both in situ and in controlled environment experimental settings. Of the plants presenting high tolerance, the most promising cultivar was “Dorskamp” (P. canadensis).
Conclusions. The preliminary results obtained in this study suggest that the development of reliable methods through the use of an array of plant selection methods is a viable approach to phytoremediation.