"Sacha" wrote in message
. uk...
On 29/6/07 07:04, in article
, "Dave Poole"
wrote:

Emrys wrote:

But I think that the same reasoning would apply whether they have
been
cut or about to be cut. As you will no doubt agree flowers/plants
continue to develop/grow a little when they have been cut and
placed in
water.

Quite right. The presence of auxins in the growing points (stem
tips -
flower stems or leafy stems) is not massively affected if they are
cut
from the plant and the same processes continue, albeit on a reducing
scale as the cut material deteriorates.


Thank you both. Now I've got the answer I was looking for - it's very
interesting, too. There must be some reverse effect that prevents
e.g.
Dahlia buds opening once picked?!

--
Sacha
http://www.hillhousenursery.co.uk
(remove weeds from address)

I am told that dahlia buds will open if they are showing colour when
cut.

Regards,
Emrys Davies.