Table 2 Multiple comparisons of the survival rate, shoot regeneration rate, and octaploid induction rate of different treatments
From: In vitro octaploid induction of Populus hopeiensis with colchicine
Treatment | Levels | Survival rate (%) | Shoot regeneration rate (%) | Octaploid induction rate (%) |
|---|---|---|---|---|
Pre-culture duration (d) | 7 | 50.00 ± 23.45b | 45.56 ± 19.44b | 0.53 ± 1.59b |
9 | 57.78 ± 17.87ab | 51.11 ± 14.53b | 4.21 ± 3.67a | |
11 | 68.89 ± 16.92a | 62.22 ± 13.02a | 0.00 ± 0.00b | |
Colchicine concentration (μM) | 50 | 72.22 ± 13.94a | 71.11 ± 18.33a | 0.23 ± 0.69b |
100 | 58.89 ± 23.15a | 58.89 ± 19.00ab | 2.87 ± 4.32a | |
150 | 45.56 ± 15.09b | 46.67 ± 18.03b | 1.64 ± 2.18ab | |
Exposure time (d) | 2 | 62.22 ± 9.72a | 63.33 ± 14.14a | 1.11 ± 1.89b |
3 | 53.33 ± 20.00a | 55.56 ± 15.09a | 0.23 ± 0.69b | |
4 | 43.33 ± 15.00b | 40.00 ± 13.23b | 3.40 ± 4.21a |