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

JI:SIB: SPEC-X Cross


   I received the following message from Clarence Mahan. I
have included the original post for reference.

Vince


From: J.F. Hensler  <christyh@p...>
Date: Sun Aug 20, 2000 0:20am
Subject: SPEC-X: new photos


Hi All, 


Just wanted to let those who have an interest in the
progress of the JI-SIB seedlings know we have new images
and info online at 

http://www.povn.com/rock/iseed1.html


Christy Hensler 
THE ROCK GARDEN http://www.povn.com/rock/ 
 
 
 
--- CEMahan@aol.com wrote:
> As I am sure you know, and as others have probably
> already pointed out, there 
> has never been to my knowledge a documented successful
> cross of Japanese and 
> Siberian irises.  Iris ensata is 2n=24 chromosomes, and
> Iris siberica and 
> Iris sanguinea are 2n=28.  Resultant offspring, if they
> were possible, would 
> have either 26 or 52 chromosomes and, by all evidence, be
> infertile.  Many 
> expert plant breeders, using strict controls, have failed
> at getting such a 
> cross.  Both types of irises readily self-seed.  Even if
> siberica or 
> sanguinea pollen is put on Iris ensata, unless the pod
> parent flower were 
> protected (say with a paper sack tightly closed with a
> tie) even before it 
> opened, and the pollen parent was also protected in the
> same way before the 
> flower opened, any resultant pod would be MORE than
> suspect.  If seeds were 
> planted and produced vigorous fertile plants, that would
> be further evidence 
> that the seedlings were pure Iris ensata.  
> 
> I have lived long enough NOT to declare that anything is
> impossible.  But I 
> find it difficult to adopt even a modified version of
> White Queen's theory 
> and conclude that anyone can learn to believe 6 highly
> improbable things 
> before breakfast.  I would be interested in what others
> have said about this 
> subject. Clarence Mahan



__________________________________________________
Do You Yahoo!?
Yahoo! Mail - Free email you can access from anywhere!
http://mail.yahoo.com/

-------------------------- eGroups Sponsor -------------------------~-~>
Want more free time?...then WIN A MAID...
http://click.egroups.com/1/7010/0/_/486170/_/967372226/
---------------------------------------------------------------------_->







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