Pb+Se treatment (mM)
Pb accumulation (mg/g DW)
Se accumulation (mg/g DW)
Lipid peroxidation (TBARS) in roots (μmol/g fw)
Root
Stem
Leaf
Root
Stem
Leaf
PbSe
0
58.49 ± 1.94
c
2.79 ± 0.46
b
3.27 ± 0.06
b
ND
ND
ND
25.01 ± 1.507
a
PbSe
0.1
69.63 ± 8.99
b
4.69 ± 0.12
b
2.91 ± 0.07
b
0.07 ± 0.001
c
0.005 ± 0.000
b
0.003 ± 0.000
b
23.15 ± 2.18
a
PbSe
0.5
103.99 ± 3.13
a
7.69 ± 0.53
a
5.20 ± 0.03
a
0.20 ± 0.009
b
0.01 ± 0.008
a
0.01 ± 0.002
a
21.06 ± 0.62
a
PbSe
1.0
112.89 ± 9.97
a
8.71 ± 0.69
a
2.69 ± 0.07
b
0.39 ± 0.008
b
0.02 ± 0.009
a
0.02 ± 0.006
a
18.61 ± 0.37
b
PbSe
2.5
107.49 ± 2.96
a
4.14 ± 0.31
b
2.59 ± 0.09
b
0.98 ± 0.004
a
0.01 ± 0.004
a
0.007 ± 0.00
b
17.05 ± 0.91
b
PbSe
5.0
71.86 ± 5.59
b
2.69 ± 0.58
b
0.47 ± 0.07
c
0.80 ± 0.003
a
0.01 ± 0.003
a
0.003 ± 0.00
b
22.02 ± 0.76
a
Table 1:
Influence of Se on Pb and Se distribution in the different tissues of coleus exposed to Pb stress.
