Table 3.
Ploidy variation in seeds obtained from three mixed-ploidy Knautia populations with different cytotype compositions (see Supplementary Data, available online, for population details)
| Population | Ploidy level of mother plants | No. of analysed seeds/no. of mother plants | Numbers and proportions (%) of seeds of different ploidy levels |
||||
|---|---|---|---|---|---|---|---|
| 2x | 3x | 4x | 5x | 6x | |||
| Ždánice, no. 267 (non-relict K. arvensis) | 2x | 80 / 25 | 80 (100) | – | – | – | – |
| 4x | 64 / 20 | – | – | 64 (100) | – | – | |
| Planý vrch, no. 278 (relict serpentine K. arvensis) | 2x | 12 / 4 | 12 (100) | – | – | – | – |
| 4x | 75 / 21 | – | 1 (1·3) | 74 (98·7) | – | – | |
| Horní Planá, no. 288 (4x K. arvensis + 6x K. dipsacifolia + 5x hybrid) | 4x | 100 / 17 | – | – | 99 (99·0) | 1 (1·0) | – |
| 5x | 10 / 1 | – | – | 1 (10·0) | 9 (90·0)* | – | |
| 6x | 59 / 15 | – | – | – | – | 59 (100·0) | |
* Aneuploids are likely to be included due to large variations in fluorescence intensity.