Table 4: Effect of Cd stress on MDA (ηM/mg protein) and ROS (H2O2, , ) contents (μM/gFW) as well as total soluble proteins (mg/gFW) in different parts of cotton seedlings.

TraitsParts
RootsStemsLeaves
0 µM Cd500 µM Cd0 µM Cd500 µM Cd0 µM Cd500 µM Cd

MDA
9.18 ± 0.24b  
(0.00)
11.25 ± 0.23a  
(22.55)
10.83 ± 0.24a  
(0.00)
11.73 ± 0.27a  
(8.47)
13.14 ± 21.61b  
(0.00)
21.61 ± 2.24a  
(64.46)
H2O220.92 ± 6.21a  
(0.00)
34.17 ± 12.34a  
(63.30)
42.44 ± 9.91b  
(0.00)
80.69 ± 8.37a  
(90.13)
68.18 ± 10.09b  
(0.00)
164.16 ± 26.16a  
(140.77)
22.15 ± 9.00a  
(0.00)
33.66 ± 22.85a  
(51.95)
75.23 ± 36.76a  
(0.00)
102.78 ± 42.28a  
(36.62)
19.29 ± 1.09b  
(0.00)
126.96 ± 6.18a  
(558.16)
0.10 ± 0.01b  
(0.00)
0.15 ± 1.53a  
(103.36)
0.13 ± 0.03a  
(0.00)
0.19 ± 0.03a  
(52.72)
0.13 ± 0.08a  
(0.00)
0.15 ± 0.08a  
(13.83)
Proteins8.89 ± 0.19b  
(0.00)
17.63 ± 0.86a  
(98.34)
13.06 ± 4.31a  
(0.00)
8.74 ± 0.17a  
(−33.08)
14.81 ± 1.71a  
(0.00)
9.33 ± 0.65b  
(−36.99)

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.