Table 1.
Rice plant materials used in this study
| Cultivar/line | Species | Genomea |
|---|---|---|
| Nipponbare | O. sativa L. ssp. japonica | AA |
| Sasanishiki | O. sativa L. ssp. japonica | AA |
| Taichung 65 | O. sativa L. ssp. japonica | AA |
| Gemdjah Beton | O. sativa L. ssp. japonica | AA |
| Koshihikari | O. sativa L. ssp. japonica | AA |
| Habataki | O. sativa L. ssp. indica | AA |
| Kasalath | O. sativa L. ssp. indica | AA |
| IR24 | O. sativa L. ssp. indica | AA |
| IR36 | O. sativa L. ssp. indica | AA |
| WK21 | O. glaberrima Steud. | AA |
| W106 | O. rufipogon sensu lato | AA |
| W1965 | O. rufipogon sensu lato | AA |
| W1967 | O. rufipogon sensu lato | AA |
| W630 | O. rufipogon sensu lato | AA |
| W1515 | O. punctata Kotschy ex Steud. | BB |
| W1527 | O. eichingeri Peter | CC |
a
Cultivars and lines were classified based on the genome composition according to the degree of meiotic chromosome pairing in hybrid plants (23).