Table 3 . Meiotic pairings and pollen fertility in synthetic allotetraploids.
| I | II | III | IV | |||||
|---|---|---|---|---|---|---|---|---|
| Allotetraploids | 2n | Means (ranges) | Means (ranges) | Means (ranges) | Means (ranges) | PMCs with multivalent (%) | Total PMCs | Pollen fertility (%) |
| AA.BB | 36 | 0.04 (0–2) | 17.85 (16–18) | — | 0.08 (0–1) | 7.09 | 141 | 88.20 |
| AA.CC | 38 | 0.45a (0–10) | 18.64a (14–19) | — | 0.07a (0–2) | 4.49 | 89 | 83.89 |
| CC.AA | 38 | 0.36a (0–6) | 18.64a (12–19) | 0.01 (0–2) | 0.10a (0–2) | 11.68 | 182 | 33.33 |
| BB.CC | 34 | 0.73 (0–6) | 16.62 (14–17) | — | 0.01 (0–1) | 0.73 | 137 | 60.52 |
I, univalent; II, bivalent; III, trivalent; IV, quadrivalent.
a
Shared letters within each association type denote that the values are insignificantly different (the chi-square test: α= 0.05)