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Table 2 Effects of lead heavy metal on plant biomass and relative water content (RWC) of E. crassipes seedlings

From: Lead heavy metal toxicity induced changes on growth and antioxidative enzymes level in water hyacinths [Eichhornia crassipes (Mart.)]

Pb Conc. (mg/L) Biomass (g/seedlings) Relative water content (RWC)%
Fresh weight (FW) Dry weight (DW)
0.0 10.03 ± 0.033a* 0.727 ± 0.004a* 92.73 ± 0.06e*
100 09.95 ± 0.043a 0.712 ± 0.007a 92.84 ± 0.07d
200 09.63 ± 0.031b 0.640 ± 0.003b 93.35 ± 0.05b
400 08.84 ± 0.141c 0.564 ± 0.012b 93.61 ± 0.04a
600 07.95 ± 0.142d 0.532 ± 0.005c 93.30 ± 0.03b
800 07.26 ± 0.167d 0.500 ± 0.006c 93.11 ± 0.03c
1000 06.90 ± 0.063e 0.485 ± 0.001d 92.97 ± 0.04d
  1. *Values are expressed as mean ± SE (n = 3), different letters in each column indicate significant difference at p < 0.05 levels.