hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
 Navigation
Articles
Gallery of Plants
Blog
Tech Blog
Plant Profiles
Patents
Mailing Lists
    FAQ
    Netiquette
    Search ALL lists
    Search help
    Subscription info
Top Stories
Links
sHORTurl service
Tom Clothier's Archive
 Top Stories
Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

Unauthorized use of a plant doesn't invalidate it's patent

RSS story archive

Re: Tets and colchicine (touching several bases)

  • To: Multiple recipients of list <iris-l@rt66.com>
  • Subject: Re: Tets and colchicine (touching several bases)
  • From: Rick Tasco/Roger Duncan <randrcv@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





 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement
Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index