Stratification period (days) | Time taken for initial germination (days) | Germination rate (%) (±SE)* | ||||||
4˚C | 25˚C | 4˚C | 25˚C | |||||
PB | SB | PB | SB | PB | SB | PB | SB | |
0 | 40 | 43 | 40 | 42 | 17.5 (0.7)g | 15.5 (1.0)f | 07.5 (0.5)g | 07.0 (0.7)g |
15 | 21 | 25 | 23 | 25 | 40.0 (1.2)f | 40.5 (2.2)e | 32.5 (1.0)f | 26.2 (0.5)f |
30 | 19 | 21 | 18 | 18 | 52.5 (1.5)e | 51.5 (2.5)d | 47.5 (1.5)e | 41.0 (1.2)e |
45 | 17 | 17 | 21 | 23 | 57.5 (1.5)d | 56.2 (2.3)c | 52.5 (2.2)d | 43.5 (1.5)d |
60 | 14 | 18 | 17 | 17 | 72.5 (1.7)c | 67.5 (1.5)a | 60.0 (2.5)c | 48.7 (1.0)c |
75 | 11 | 12 | 13 | 15 | 82.5 (1.5)a | 69.0 (2.0)a | 70.0 (2.5)a | 56.0 (1.5)a |
90 | 13 | 15 | 15 | 16 | 77.5 (2.0)b | 61.5 (2.5)b | 65.0 (2.2)b | 51.5 (1.7)b |
105 | 12 | 12 | 13 | 15 | 80.0 (1.0)a | 60.0 (1.0)b | 67.50 (1.5)b | 47.0 (1.5)c |
120 | 11 | 13 | 14 | 16 | 75.0 (1.7)b | 54.5 (1.3)c | 62.5 (2.0)c | 48.5 (2.0)c |