Table 1.

Effect of cadmium on biomass (g fw) in B. monnieri at different concentrations and exposure periods.

Cd concentrations (μM)	Exposure periods (h)
	0	48	96	168
0 μM	1.81 ± 0.14	1.87 ± 0.17	2.07 ± 0.25	2.14 ± 0.24
5 μM	2.03 ± 0.11	2.06 ± 0.12	2.08 ± 0.03	2.17 ± 0.03
10 μM	1.75 ± 0.52	1.75 ± 0.52	1.79 ± 0.52	1.86 ± 0.57
50 μM	1.53 ± 0.42	1.52 ± 0.42	1.20 ± 0.23A	1.13 ± 0.16a
100 μM	1.31 ± 0.19	1.31 ± 0.19	0.98 ± 0.07B	0.94 ± 0.06b

All values are means of triplicate ± SD.

^Adenote the significance (P < 0.05) at 50 μM cadmium as compared to control after 96 hours.

^Bdenotes the significance (P < 0.01) at 100 μM cadmium as compared to control after 96 hours.

^adenotes the significance (P < 0.05) at 50 μM cadmium as compared to control after 168 hours.

^bdenotes the significance (P < 0.05) at 100 μM cadmium as compared to control after 168 hours.