Fig. 5From: Characterisation of early responses in lead accumulation and localization of Salix babylonica L. rootsMicrographs of S. babylonica roots using PI dye at transverse sections of root mature zone exposed to different Pb concentrations (0, 1, 10, 50, or 100 μmol/L) for 24 h. Scale bar = 200 μm. a: Control; b: 1 μmol/L Pb; c: 10 μmol/L Pb; d: 50 μmol/L Pb; e: 100 μmol/L PbBack to article page