Table 1.
Parental origin of synthetic allotetraploids and direction of crosses
| T. mirus | T. miscellus | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Line | 70 | 73 | 98 | 116 | 121 | 134 | 135 | 67 | 79 | 111 | 129 |
|
parents ♀ × ♂ |
2611 × 2613 | 2611 × 2613 | 2611 × 2613 | 2607 × 2615 | 2615 × 2607 | 2607 × 2613 | 2613 × 2607 | 2609 × 2616 | 2609 × 2616 | 2608 × 2613 | 2613 × 2608 |
| 1N | 9 | 48 | 7 | 28 | 8 | 14 | 16 | 15 | 22 | 39 | 3 |
| 2S0 | 2 | 3 | 1 | 1 | 0 | 1 | 1 | 2 | 1 | 4 | 1 |
| 2S1 | 7 | 34 | 6 | 27 | 8 | 13 | 15 | 13 | 21 | 35 | 2 |
| 2S2 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1total number of individuals analyzed by Southern blot hybridization.
2numbers in S0-S2 generations; the S2 was the progeny of selfed S1 parents (73-14, 73-1, 73-2) that have been analyzed in this study by molecular and cytogenetic approaches.