Table 1.
Effect of different DEM concentrations on mycelial growth and spore germination of P. italicum after incubation at 27 ± 1 °C.
| Concentrations (µg mL−1) | Mycelial Growth 1 | Spore Germination 2 | ||
|---|---|---|---|---|
| Mycelial Diameter (mm) | MGI (%) | Germination Rate (%) | SGI (%) | |
| 0 | 55.50 ± 1.29 a | 0 e | 94.77 ± 2.63 a | 0 f |
| 0.78 | 38.25 ± 0.96 b | 30.08 ± 2.27 d | 71.68 ± 2.42 b | 23.36 ± 2.55 e |
| 1.56 | 24.00 ± 1.41 c | 56.77 ± 2.55 c | 49.55 ± 3.01 c | 47.72 ± 3.18 d |
| 3.13 | 9.75 ± 1.71 d | 82.43 ± 3.08 b | 26.16 ± 2.75 d | 72.40 ± 2.90 c |
| 6.25 | 0 e | 100 ± 0.00 a | 4.37 ± 0.18 e | 95.39 ± 0.19 b |
| 12.50 | 0 e | 100 ± 0.00 a | 0 f | 100 ± 0.00 a |
1 Mycelial growth was measured after incubation at 27 °C for 7 days. Data presented are the means ± S.E. (n = 8). The column with different lowercase letters between different concentrations indicates significant differences according to Duncan’s test (p < 0.05). 2 Spore germination was determined after incubation at 27 °C for 12 h. DEM: 7-demethoxytylophorine, MGI: Mycelial growth inhibition, SGE: Spore germination inhibition.