Table 1.
Ploidy level, pollen fertility and origin of cultivars used in the study
| Cultivars | Horticultural groups | Ploidy level | Chromosome number | Pollen fertility | Origin |
|---|---|---|---|---|---|
| Regata | Asiatic hybrids | 2× | 24 | fertile | Intra-sectional hybrid (Sinomartagon) |
| Mona | Asiatic hybrids | 2× | 24 | fertile | Intra-sectional hybrid (Sinomartagon) |
| Gran Paradiso | Asiatic hybrids | 4× | 48 | fertile | Intra-sectional hybrid (Sinomartagon) |
| Loreto | Asiatic hybrids | 4× | 48 | fertile | Intra-sectional hybrid (Sinomartagon) |
| Willeke Alberti | Oriental hybrids | 2× | 24 | fertile | Intra-sectional hybrid (Archelirion) |
| Serrada | LA hybrids | 3× | 36 | almost sterile | Inter-sectional hybrid; L. longiflorum (Leucolirion) × Asiatic hybrids (Sinomartagon) |
| Royal Trinity | LA hybrids | 3× | 36 | low fertile | Inter-sectional hybrid; L. longiflorum (Leucolirion) × Asiatic hybrids (Sinomartagon) |
| Yelloween | OT hybrids | 2× | 24 | completely sterile | Unknown |
| Otome no Sugata | LO hybrids | 2× | 24 | completely sterile | Inter-sectional hybrid; L. × formolongi (Leucolirion) × L. rubellum (Archelirion) |
| Katsuki | L. × formolongi | 2× | 24 | fertile | Intra-sectional hybrid (Leucolirion); L. formosanum × L. longiflorum |
| Original Ougo | L. × formolongi | 2× | 24 | fertile | Intra-sectional hybrid (Leucolirion); L. formosanum × L. longiflorum |