Table 1.

Pb levels of different S. babylonica organs exposed to different Pb concentrations for 7 d

Treatment (μmol/L)	Dry weight (μg/g) ± SE			TF
	Stem	Leaf	Root
0	9.91 ± 0.04a	8.50 ± 0.43a	11.50 ± 0.27a	1.60
1	41.50 ± 0.50b	33.51 ± 0.91b	31.56 ± 0.65b	2.38
10	70.85 ± 0.06c	45.79 ± 0.01c	48.91 ± 0.05c	2.38
50	83.08 ± 0.17d	49.48 ± 0.09d	59.43 ± 0.04d	2.23
100	98.38 ± 0.13e	52.99 ± 0.03e	78.78 ± 0.34e	1.92

Different letters indicate significant differences (p < 0.05). Data are presented as mean ± SE (n = 5)