Phytoremedation of metal-contaminated soils
Résumé
In this study the problem of efficiency of heavy metal phytoremediation by hyperaccumulator plant Thlaspi caerulescens is discussed. A study of EPS influence on metal dissolution in free form (Cd0) showed that 100 % glucuronic acid EPS (glu) significantly stimulated metal dissolution compared to control and EPS containing 50 % o f glucuronic acid (str5). Treatment of plants with glucuronane stimulated Cd dissolution from pure metal form (Cd0) and its concentration in plant rhizosphere and roots, but liberated Cd heavily transfered to shoots.