Table 5 . Means of chromosome numbers for auto- and allosyndesis within each genome in synthetic allotetraploids.
| A genome | B genome | C genome | ||||
|---|---|---|---|---|---|---|
| Allotetraploids | Autosyndesis | Allosyndesis | Autosyndesis | Allosyndesis | Autosyndesis | Allosyndesis |
| AA.BB | 0.14a | 0.06a | 0 | 0.06a | — | — |
| AA.CC | 0 | 0.35b | — | — | 0 | 0.35b |
| CC.AA | 0.08a | 0.23b | — | — | 0 | 0.23b |
| BB.CC | — | — | 0 | 0.03a | 0 | 0.03a |
| Average | 0.10 | 0.18 | 0 | 0.05 | 0 | 0.19 |
For the calculation of the total chromosome numbers involved in autosyndesis and allosyndesis within each genome in synthetic allotetraploids, A-A-C is taken as 1.5 A-genome chromosomes for autosyndesis and 0.5 A-genome chromosome and 1 C-genome chromosome for allosyndesis; A-A-A is taken as 1.5 for autosyndesis and 1.5 for allosyndesis; the homologous and homeologous ring quadrivalent (A-A-C-C) is divided into 1 A-genome and 1 C-genome chromosome for autosyndesis and 1 A-genome and 1 C-genome chromosome for allosyndesis; the homologous and homeologous ring quadrivalent (A-A-A-A) is divided into 2 equal A-genome chromosomes for homologous pairing and autosyndesis.
a,b
Groups significantly different by χ2 -test, p < 0.05.