Table 3: Cd uptake by different parts of cotton seedlings and macro- and micronutrients concentration in different parts of the cotton seedlings under Cd stress.

Elements
(mg/g DW)
RootsStemsLeaves
0 µM Cd500 µM Cd0 µM Cd500 µM Cd0 µM Cd500 µM Cd

Cd0.04 ± 0.004b  
(0.00)
2.29 ± 0.07a  
(6206.61)
0.004 ± 0.001b  
(0.00)
2.27 ± 0.02a  
(55561.05)
0.002 ± 0.003b  
(0.00)
0.55 ± 0.04a  
(30798.29)

Macronutrients
N19.51 ± 0.83a  
(0.00)
9.78 ± 1.40b  
(−49.84)
5.24 ± 0.58a  
(0.00)
3.15 ± 0.97a  
(−39.84)
1.11 ± 0.23b  
(0.00)
2.45 ± 0.73a  
(120.28)
P5.51 ± 0.94a  
(0.00)
2.80 ± 0.56a  
(−49.12)
9.06 ± 1.52a  
(0.00)
7.73 ± 0.41a  
(−14.68)
10.68 ± 0.96a  
(0.00)
12.95 ± 0.91a  
(21.29)
K33.29 ± 1.63a  
(0.00)
8.30 ± 0.75b  
(−75.06)
27.59 ± 1.32a  
(0.00)
23.32 ± 1.41a  
(−15.51)
18.70 ± 1.45a  
(0.00)
21.65 ± 1.56a  
(15.77)
Mg8.48 ± 0.35b  
(0.00)
4.67 ± 0.56a  
(−44.88)
5.73 ± 0.39a  
(0.00)
5.24 ± 0.47a  
(−8.58)
5.19 ± 0.79a  
(0.00)
6.24 ± 0.28a  
(20.35)
S15.68 ± 0.92a  
(0.00)
19.59 ± 1.79a  
(25.00)
7.66 ± 0.69a  
(0.00)
12.32 ± 1.73a  
(60.74)
9.76 ± 0.43a  
(0.00)
11.62 ± 0.76a  
(18.98)

Micronutrients
Fe0.94 ± 0.12a  
(0.00)
1.14 ± 0.13a  
(21.15)
0.06 ± 0.01a  
(0.00)
0.05 ± 0.001a  
(−21.67)
0.15 ± 0.005a  
(0.00)
0.12 ± 0.003b  
(−21.68)
Zn0.29 ± 0.004a  
(0.00)
0.13 ± 0.01b  
(−54.91)
0.08 ± 0.006a  
(0.00)
0.06 ± 0.004a  
(−19.35)
0.10 ± 0.004a  
(0.00)
0.080 ± 0.006a  
(−16.61)
Cu0.02 ± 0.001a  
(0.00)
0.02 ± 0.001b  
(−33.33)
0.01 ± 0.001a  
(0.00)
0.01 ± 0.000b  
(−23.17)
0.01 ± 0.000a  
(0.00)
0.01 ± 0.001a  
(−8.28)
Ca7.65 ± 0.24a  
(0.00)
4.20 ± 0.4b  
(−45.09)
20.52 ± 0.81a  
(0.00)
16.97 ± 0.35b  
(−17.29)
21.04 ± 0.79a  
(0.00)
19.90 ± 0.65a  
(−5.51)
Mn54.81 ± 0.004a  
(0.00)
31.52 ± 0.003b  
(−42.50)
19.07 ± 0.003a  
(0.00)
17.26 ± 0.001a  
(−9.50)
93.97 ± 0.003a  
(0.00)
83.94 ± 0.002b  
(−10.67)
Ni0.01 ± 0.001a  
(0.00)
0.01 ± 0.001a  
(−36.05)
0.02 ± 0.000a  
(0.00)
0.002 ± 0.000a  
(−13.07)
0.002 ± 0.000a  
(0.00)
0.001 ± 0.000a  
(−16.25)
B0.04 ± 0.000a  
(0.00)
0.05 ± 0.000a  
(234.54)
0.01 ± 0.004a  
(0.00)
0.01 ± 0.002a  
(40.04)
0.04 ± 0.002a  
(0.00)
0.050 ± 0.004a  
(32.40)

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.