Table 1: Tolerance indices/plant based on biomass (fresh and dry) and water content (%)/plant of different parts of cotton seedlings grown under Cd stress.

PartsTolerance index (FW)
Tolerance index (DW)
Water contents (%)
0 µM Cd500 µM Cd0 µM Cd500 µM Cd0 µM Cd500 µM Cd

Roots100.00 ± 0.00a  
(0.00)
62.86 ± 2.44b  
(−37.14)
100.00 ± 0.00a  
(0.00)
26.11 ± 3.89b  
(−73.89)
92.47 ± 0.29b  
(0.00)
96.78 ± 0.73a  
(4.67)
Stems100.00 ± 0.00a  
(0.00)
74.58 ± 6.73b  
(−25.42)
100.00 ± 0.00a  
(0.00)
65.00 ± 5.00b  
(−35.00)
91.10 ± 0.22b  
(0.00)
92.22 ± 0.29a  
(1.23)
Leaves100.00 ± 0.00a  
(0.00)
99.33 ± 9.66a  
(−0.97)
100.00 ± 0.00a  
(0.00)
85.39 ± 2.56b  
(−14.61)
90.22 ± 0.85a  
(0.00)
91.50 ± 0.64a  
(1.42)

Values are the means ± SE of three replications. Variants possessing the same letter are not statistically significant at P < 0.05. Values in parenthesis show percent relative increase (+) or decrease (−) over the related controls.