CULT:ROT:Is it genetic?


In a message dated 8/8/2002 12:17:33 PM Central Daylight Time, 
oneofcultivars@aol.com writes:

<< we might really have something 
 valuable. Especially if it were done in a way where we did not have to 
depend 
 on antidotal information extracted from a pile of notes, emails or lists of 
 pretty flowers.  >>

Are 'modern' irises climatically challenged?  The possible result of a world 
culture?  

My understanding of the 'rot' factor comes from gleanings of research done 
years ago.  I can't recall where I read this, or who authored it; therefore, 
I've been reluctant to join in the 'rot' discussion.  Understand, I'm working 
from memory only as I have no desire to try to dig up the old information . . 
. World of Iris or wherever.  

Here goes--in order to improve the form, breadth, consistency, etc., a tender 
form of iris, mesopotamica I thought, was used and reused in breeding.  (From 
the Mediterranean?) It gave great beauty, but was of a tender nature, of 
course, and passed this on to it's progeny.  Inbreeding of those children 
often created/creates rot prone irises.  ???  Jeff, or somebody, correct me 
if I've misinterpreted.  

This could indicate a climatic cause, yet I've found the condition can be 
greatly modified by the addition of lime in the planting hole well beneath 
the rhizome.  Geographic?  Or so it might seem.  

Genetics?  Perhaps.  Do many irises suffer from too much of a good thing? 

Betty Wilkerson Zone 6 SouthCentral Kentucky, wondering how many people made 
rebloom crosses this year . . . ;-)

American Iris Society web site <http://www.irises.org>
iris-talk/Mallorn archives: <http://www.hort.net/lists/iris-talk/>
iris-photos/Mallorn archives: <http://www.hort.net/lists/iris-photos/>

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