Re: Tets and colchicine (touching several bases)
- To: Multiple recipients of list <i*@rt66.com>
- Subject: Re: Tets and colchicine (touching several bases)
- From: R* T* D* <r*@sierratel.com>
- Date: Tue, 5 May 1998 22:49:25 -0600 (MDT)
Andrew Wheeler wrote:
>
> I am under the understanding that many IB's are "triploid". They are
> marginally fertile, but I beleive this is because both parents do not
> have the same base number of chromosomes originally. TBs are tets,
> SDB's are dips, but SDBs do not have half the number of TB chromosomes,
> since they are different species.
Andrew,
SDB's are NOT diploid. Most are decendants of I. pumila X Tall
Beardeds. Both are tetraploids. See page 165 of the WOI (World of
Iris).
Rick Tasco
Superstition Iris Gardens
Central California
Zone 8
