The message
from Sacha contains these words:

My husband, who used to grow cucumbers commercially, won't touch any of them
if they're not F1s because he says they can be pollenated by bees and heaven
only knows what results. ;-)

Likewise the parents of F1 hybrids, so no change there, then.

--
Rusty
Open the creaking gate to make a horrid.squeak, then lower the foobar.
http://www.users.zetnet.co.uk/hi-fi/