propagation: genetic drift in clones
- To: Multiple recipients of list <email@example.com>
- Subject: propagation: genetic drift in clones
- From: Linda Mann <firstname.lastname@example.org>
- Date: Fri, 22 May 1998 19:07:46 -0600 (MDT)
Back when tissue culture was first coming into vogue, I read some papers
or heard some talks about 'genetic drift' from one generation to the
next in tissue cultured clonal plant material. It was pretty high -
sometimes resulting in plants that weren't worth much after several
generations. Seems like I remember estimates of changes in genetic
markers of more than 50% in not all that many generations.
Here I go making another wild leap - has anybody looked at genetic drift
in bearded irises? Some drift is obvious - stable 'sports' of a
different color. But I also wonder if there couldn't be 'adaptive'
drift in clones propagated for the last 50, 100, 150 yrs in very
The reason I am asking is because I am wondering if it matters in terms
of climatic adaptation what part of the country I order some of the
older historics from.
Linda Mann east Tennessee USA