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Ploidy of the confirmed hybrids* according to cytometric analysis.
| Cross combination ♀ × ♂ |
DAP** | No. of progeny planted | No. of confirmed hybrids | No. of confirmed hybrids according to ploidy | ||||
|---|---|---|---|---|---|---|---|---|
| 3x | 4–5x | 5x | 5–6x | 6x | ||||
| H. megalanthus × H. undatus | 10 | 19 | 18 | 0 | 1 | 8 | 1 | 8 |
| 30 | 15 | 13 | 0 | 2 | 10 | 1 | 0 | |
| 47 | 4 | 1 | 0 | 0 | 0 | 1 | 0 | |
*Total number of putative hybrids studied: 38; true hybrids: 32. **DAP, days after pollination.
