Table 1.
Ca, K, Na, P, S and Mg (10−4 mg kg−1DW) levels in the root and shoot of control broccoli plants and plants treated with 10 mg l−1 MWCNTs, 100 mM NaCl and 100 mM NaCl + 0.10 mg l−1 MWCNTs
| Ca | K | Na | P | S | Mg | |
|---|---|---|---|---|---|---|
| Root | ||||||
| Control | 2.30 ± 0.10 a | 4.61 ± 0.30 a | 0.12 ± 0.03 c | 1.88 ± 0.10 a | 0.65 ± 0.07 a | 0.95 ± 0.07 a |
| MWCNT | 2.07 ± 0.11 a | 4.75 ± 0.51 a | 0.11 ± 0.02 c | 1.66 ± 0.12 a | 0.71 ± 0.07 a | 0.83 ± 0.07 a |
| NaCl | 0.99 ± 0.04 b | 3.46 ± 0.42 b | 2.02 ± 0.18 b | 1.05 ± 0.10 b | 0.58 ± 0.06 a | 0.62 ± 0.05 b |
| NaCl + MWCNT | 0.70 ± 0.03 b | 3.25 ± 0.29 b | 2.34 ± 0.10 a | 0.82 ± 0.08 b | 0.63 ± 0.05 a | 0.69 ± 0.04 b |
| Shoot | ||||||
| Control | 2.10 ± 0.11 a | 4.57 ± 0.43 a | 0.13 ± 0.05 c | 0.54 ± 0.05 a | 0.71 ± 0.06 ab | 0.38 ± 0.04 a |
| MWCNT | 2.48 ± 0.18 a | 4.51 ± 0.27 a | 0.09 ± 0.02 c | 0.54 ± 0.03 a | 0.96 ± 0.07 a | 0.43 ± 0.03 a |
| NaCl | 1.27 ± 0.17 b | 2.36 ± 0.10 c | 2.26 ± 0.28 b | 0.46 ± 0.07 a | 0.61 ± 0.06 b | 0.33 ± 0.03 a |
| NaCl + MWCNT | 1.34 ± 0.10 b | 3.27 ± 0.12 b | 3.11 ± 0.12 a | 0.55 ± 0.05 a | 0.59 ± 0.04 b | 0.30 ± 0.03 a |
Mean values ± standard errors are shown (n = 6). Bars with different letters are significantly different (P < 0.05) according to the Tukey test