Table 1.
Characters | Diploid | Tetraploid |
---|---|---|
Plant height (cm) | 83.2 ± 2.2 | 85.13 ± 1.92 |
Leaf length (cm) | 4.19 ± 0.20 | 4.73 ± 0.21 * |
Leaf width (cm) | 2.74 ± 0.13 | 3.50 ± 0.21 * |
Inflorescence diameter (mm) | 16.8 ± 0.24 | 16.65 ± 0.53 |
Disc flower diameter (mm) | 7.73 ± 0.36 | 8.41 ± 0.25 |
No. of ligulate florets | 13.11 ± 0.48 * | 10.61 ± 0.86 |
Ligulate florets dry weight (mg/100) | 0.018 ± 0.0015 | 0.03 ± 0.0012 ** |
No. of tubular florets | 78.75 ± 1.97 ** | 57.71 ± 1.69 |
Tubular florets dry weight (mg/100) | 0.015 ± 0.0014 | 0.033 ± 0.0010 ** |
Palisade thickness (µm) | 43.39 ± 0.33 | 47.83 ± 1.85 * |
Spongy tissue thickness (µm) | 76.67 ± 1.01 | 85.16 ± 1.41 * |
Upper epidermis thickness (µm) | 8.51 ± 0.18 | 8.99 ± 0.32 |
Lower epidermis thickness (µm) | 7.40 ± 0.17 | 6.86 ± 0.17 |
Leaf thickness (µm) | 136.45 ± 1.16 | 148.84 ± 0.92 * |
No. Cell (104) | 138.99 ± 22.49 | 161.89 ± 2.91 * |
Size of cell | 15.17 ± 0.36 | 23.86 ± 0.57 * |
Data are presented as mean ± standard * p < 0.05 and ** p < 0.01 levels, based on t-test.