Cadmium-Induced Upregulation of Lipid Peroxidation and Reactive Oxygen Species Caused Physiological, Biochemical, and Ultrastructural Changes in Upland Cotton Seedlings

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)	Roots		Stems		Leaves
	0 µM Cd	500 µM Cd	0 µM Cd	500 µM Cd	0 µM Cd	500 µM Cd
Cd	0.04 ± 0.004^b; (0.00)	2.29 ± 0.07^a; (6206.61)	0.004 ± 0.001^b; (0.00)	2.27 ± 0.02^a; (55561.05)	0.002 ± 0.003^b; (0.00)	0.55 ± 0.04^a; (30798.29)
Macronutrients
N	19.51 ± 0.83^a; (0.00)	9.78 ± 1.40^b; (−49.84)	5.24 ± 0.58^a; (0.00)	3.15 ± 0.97^a; (−39.84)	1.11 ± 0.23^b; (0.00)	2.45 ± 0.73^a; (120.28)
P	5.51 ± 0.94^a; (0.00)	2.80 ± 0.56^a; (−49.12)	9.06 ± 1.52^a; (0.00)	7.73 ± 0.41^a; (−14.68)	10.68 ± 0.96^a; (0.00)	12.95 ± 0.91^a; (21.29)
K	33.29 ± 1.63^a; (0.00)	8.30 ± 0.75^b; (−75.06)	27.59 ± 1.32^a; (0.00)	23.32 ± 1.41^a; (−15.51)	18.70 ± 1.45^a; (0.00)	21.65 ± 1.56^a; (15.77)
Mg	8.48 ± 0.35^b; (0.00)	4.67 ± 0.56^a; (−44.88)	5.73 ± 0.39^a; (0.00)	5.24 ± 0.47^a; (−8.58)	5.19 ± 0.79^a; (0.00)	6.24 ± 0.28^a; (20.35)
S	15.68 ± 0.92^a; (0.00)	19.59 ± 1.79^a; (25.00)	7.66 ± 0.69^a; (0.00)	12.32 ± 1.73^a; (60.74)	9.76 ± 0.43^a; (0.00)	11.62 ± 0.76^a; (18.98)
Micronutrients
Fe	0.94 ± 0.12^a; (0.00)	1.14 ± 0.13^a; (21.15)	0.06 ± 0.01^a; (0.00)	0.05 ± 0.001^a; (−21.67)	0.15 ± 0.005^a; (0.00)	0.12 ± 0.003^b; (−21.68)
Zn	0.29 ± 0.004^a; (0.00)	0.13 ± 0.01^b; (−54.91)	0.08 ± 0.006^a; (0.00)	0.06 ± 0.004^a; (−19.35)	0.10 ± 0.004^a; (0.00)	0.080 ± 0.006^a; (−16.61)
Cu	0.02 ± 0.001^a; (0.00)	0.02 ± 0.001^b; (−33.33)	0.01 ± 0.001^a; (0.00)	0.01 ± 0.000^b; (−23.17)	0.01 ± 0.000^a; (0.00)	0.01 ± 0.001^a; (−8.28)
Ca	7.65 ± 0.24^a; (0.00)	4.20 ± 0.4^b; (−45.09)	20.52 ± 0.81^a; (0.00)	16.97 ± 0.35^b; (−17.29)	21.04 ± 0.79^a; (0.00)	19.90 ± 0.65^a; (−5.51)
Mn	54.81 ± 0.004^a; (0.00)	31.52 ± 0.003^b; (−42.50)	19.07 ± 0.003^a; (0.00)	17.26 ± 0.001^a; (−9.50)	93.97 ± 0.003^a; (0.00)	83.94 ± 0.002^b; (−10.67)
Ni	0.01 ± 0.001^a; (0.00)	0.01 ± 0.001^a; (−36.05)	0.02 ± 0.000^a; (0.00)	0.002 ± 0.000^a; (−13.07)	0.002 ± 0.000^a; (0.00)	0.001 ± 0.000^a; (−16.25)
B	0.04 ± 0.000^a; (0.00)	0.05 ± 0.000^a; (234.54)	0.01 ± 0.004^a; (0.00)	0.01 ± 0.002^a; (40.04)	0.04 ± 0.002^a; (0.00)	0.050 ± 0.004^a; (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.