Table 2.
Effect of various concentrations of lead on growth attributes of wheat.
| Treatments | Plant height (cm) | Root length (cm) | Number of leaves | Fresh weight (g) | Dry weight (g) | ||
|---|---|---|---|---|---|---|---|
| Shoot | Root | Shoot | Root | ||||
| T0 | 68.7 ± 0.25 a | 25.0 ± 0.15 a | 26.33 ± 0.58 a | 7.02 ± 0.09 a | 1.26 ± 0.05 a | 5.62 ± 0.01 a | 0.92 ± 0.04 a |
| T1 | 66.1 ± 0.35 b | 22.5 ± 0.26 b | 25.67 ± 0.57 a | 5.77 ± 0.04 b | 1.19 ± 0.03 b | 4.45 ± 0.06 b | 0.83 ± 0.04 b |
| T2 | 64.7 ± 0.38 c | 20.9 ± 0.25 c | 24.33 ± 0.09 b | 5.09 ± 0.08 c | 1.10 ± 0.09 c | 3.79 ± 0.09 c | 0.72 ± 0.05 c |
| T3 | 62.0 ± 0.23 d | 18.1 ± 0.38 d | 23.33 ± 0.33 c | 4.18 ± 0.07 d | 0.95 ± 0.03 d | 3.25 ± 0.02 d | 0.63 ± 0.04 d |
| T4 | 61.2 ± 0.31 e | 16.0 ± 0.52 e | 23.00 ± 0.09 cd | 3.85 ± 0.05 e | 0.86 ± 0.01 e | 2.89 ± 0.03 e | 0.52 ± 0.06 e |
| T5 | 60.2 ± 0.25 f | 14.7 ± 0.26 f | 22.03 ± 0.04 de | 3.59 ± 0.06 f | 0.78 ± 0.05 f | 2.38 ± 0.07 f | 0.40 ± 0.02 f |
| T6 | 58.2 ± 0.32 g | 13.5 ± 0.24 g | 21.67 ± 0.05 e | 2.53 ± 0.04 g | 0.66 ± 0.05 g | 1.61 ± 0.02 g | 0.34 ± 0.05 g |
| F-ratio | 437.63 | 561.35 | 31.05 | 1596.57 | 59.59 | 2052.58 | 76.79 |
| Significant level | *** | *** | *** | *** | *** | *** | *** |
| LSD (p ≤ 0.05) | 0.5295 | 0.5479 | 0.9361 | 0.1140 | 0.0872 | 0.0899 | 0.07463 |
T0 = 0 mg Pb/kg; T1 = 100 mg Pb/kg; T2 = 200 mg Pb/kg; T3 = 400 mg Pb/kg; T4 = 600 mg Pb/kg; T5 = 800 mg Pb/kg; T6 = 1,000 mg Pb/kg; Treatment means with different letters in the same column are significantly different from one another according to Duncan Multiple Range Test at (p ≤ 0.05); values represent the Means ± SE.