On Nov 5, 8:10*pm, Dave Poole wrote:
And then this brings us back to the original question. *Any variation
is just that and may or may not be reproduced in seedlings depending
upon whether the variation becomes 'fixed'. *Generally, you can bank
on variations being 'one-offs' and unlikely to be reproduced amongst
the majority of seedlings. *If you want to be certain of being able to
reproduce a variation, the only reasonably certain method is to
propagate vegetatively. *That is assuming the variation is stable and
not prone to reversion.

I recently bought willow alder and poplar trees. They were all grown
from little bits of wood about 100mm long.