Pb+Se treatment (mM) Pb accumulation (mg/g DW) Se accumulation (mg/g DW) Lipid peroxidation (TBARS) in roots (╬╝mol/g fw)
  Root Stem Leaf Root Stem Leaf  
PbSe0 58.49 ± 1.94c 2.79 ± 0.46b 3.27 ± 0.06b ND ND ND 25.01 ± 1.507a
PbSe0.1 69.63 ± 8.99b 4.69 ± 0.12b 2.91 ± 0.07b 0.07 ± 0.001c 0.005 ± 0.000b 0.003 ± 0.000b 23.15 ± 2.18a
PbSe0.5 103.99 ± 3.13a 7.69 ± 0.53a 5.20 ± 0.03a 0.20 ± 0.009b 0.01 ± 0.008a 0.01 ± 0.002a 21.06 ± 0.62a
PbSe1.0 112.89 ± 9.97a 8.71 ± 0.69a 2.69 ± 0.07b 0.39 ± 0.008b 0.02 ± 0.009a 0.02 ± 0.006a 18.61 ± 0.37b
PbSe2.5 107.49 ± 2.96a 4.14 ± 0.31b 2.59 ± 0.09b 0.98 ± 0.004a 0.01 ± 0.004a 0.007 ± 0.00b 17.05 ± 0.91b
PbSe5.0 71.86 ± 5.59b 2.69 ± 0.58b 0.47 ± 0.07c 0.80 ± 0.003a 0.01 ± 0.003a 0.003 ± 0.00b 22.02 ± 0.76a
Table 1: Influence of Se on Pb and Se distribution in the different tissues of coleus exposed to Pb stress.