Not quite the same as compatible chromosomes to me, but yes, involved here as some of my theories :), and others :>). That's always at work with the OGB- type seedlings. I nearly always make the TBxAB rather than ABxTB direction for that reason. I think it probably won't affect how the bloom appears so much, but might improve the 'skin' on ABs. Tough to know. Everything gets so diluted.

Donald

--- In iris-photos@yahoogroups.com, smciris@... wrote:
>
>
> Thank you for posting these. I'm delighted to see results of further
> experiments with cytoplasmic inheritance. I did not obtain enough seedlings
> from such crosses for a statistical analysis, either -- but felt that I learned
> a great deal from the observations themselves.
>
> Sharon McAllister
>