Table 3.
Comparison between chromosome numbers of in vivo and in vitro grown Dianthus caryophyllus root meristems.
Dianthus caryophyllus | MS media + hormone (mg L−1) | Age | Chromosome number (mean) |
---|---|---|---|
In vivo | — | 4-day-old (standard growth) |
29.73 ± 0.12a |
| |||
In vitro | 2 mg L−1 NAA | 1-day-old | 29.40 ± 0.31a |
2-day-old | 28.87 ± 0.29a | ||
3-day-old | 29.67 ± 0.16a | ||
4-day-old | 29.00 ± 0.48a | ||
1-week-old | 29.47 ± 0.40a | ||
2-week-old | 29.87 ± 0.24a | ||
3-week-old | 29.93 ± 0.42a | ||
4-week-old | 29.53 ± 0.51a | ||
5-week-old | 28.80 ± 0.39a | ||
6-week-old | 28.73 ± 0.44a | ||
7-week-old | 28.67 ± 0.36a | ||
8-week-old | 27.93 ± 0.43a | ||
3-month-old | 28.27 ± 0.60a | ||
4-month-old | 28.31 ± 0.69a | ||
6-month-old | 29.00 ± 0.60a |
*Means with different letters in the same column differ significantly at P < 0.05 by one-way ANOVA and Duncan's multiple range test.