Research Article

Chromium (VI) Uptake and Tolerance Potential in Cotton Cultivars: Effect on Their Root Physiology, Ultramorphology, and Oxidative Metabolism

Table 3

Cr concentration levels in roots and leaves and its translocation from roots to shoot in experimental cotton cultivars.

VarietyCr levels (μM) Cr uptake (mg/gDW)Translocation factor
(TF)
Leaf Root

J20800.03 ± 0.01d0.06 ± 0.03d 0.65 ± 0.40a
100.64 ± 0.08c23.07 ± 2.92c 0.03 ± 0.00b
500.92 ± 0.03b38.95 ± 4.45b 0.02 ± 0.00b
1001.08 ± 0.13a59.60 ± 0.00a 0.02 ± 0.00b

Z90500.05 ± 0.02d1.56 ± 0.61d 0.03 ± 0.01a
100.41 ± 0.07c646.60 ± 29.29c 0.001 ± 0.00b
501.48 ± 0.32b1129.2 ± 105.98b 0.001 ± 0.00b
1001.97 ± 0.11a1318.6 ± 150.98a 0.002 ± 0.00b

ZD1400.04 ± 0.02d0.09 ± 0.03d 0.37 ± 0.20a
100.39 ± 0.05c39.56 ± 4.06c 0.01 ± 0.00b
500.52 ± 0.06b55.07 ± 10.98b 0.01 ± 0.00b
1000.96 ± 0.00a111.44 ± 7.72a 0.01 ± 0.00b

Values are the means ± SD of three replications. Variants possessing the same letter are not statistically significant at .