Re: Re: HYB: REB: Genetics of rebloom
iris@hort.net
  • Subject: Re: Re: HYB: REB: Genetics of rebloom
  • From: &* G* C* <j*@cox.net>
  • Date: Wed, 23 Mar 2011 21:19:09 -0400
Interesting, Chuck -- I've grown Lenora Pearl for many years and never suspected that it was a rebloomer, since it never has here. Yet it reblooms for you hundreds of miles to the north! -- Griff
-----Original Message----- From: Chuck Chapman 
Sent: Wednesday, March 23, 2011 5:55 PM
To: iris@hort.net
Subject: Re: [iris] Re: HYB: REB: Genetics of rebloom

Depends.
?
In a cross of Lenora Pearl X October Splendor, both rebloomers here, and seem 
to be FC, there were about 25 seedlings. Absolutely no rebloom. My take on
this is that with Lenora Pearl as pod parent the plants inherited LP's plant
habit. October Splendor has a high mature leaf count. So the combination of
secondary genes just didn't work. I'm willing to bet that either of them
crosed to my Buckskin Babe, (a tttt plant) and a oncer, would produce good
rebloom in my climate. A better genetic combination for secondary factors. And BB would probably make a better pod parent then a pollen paent. I'm marking it 
down as a planned cross
?
I haven't grown Pink Quartz, so don't know how hardy it is, how fast it grows, or what it's mature leaf count is. Isn't HOM's mature leaf count fairly high? 
?
I'm seeing FC as being two dominant genes working together. 1) Non
vernalization of flower 2) not light triggered dormancy plus secondary factors 
of flowering timing. So if FC has one each of these dominant genes, 1/4 of
seedlings would have one copy of each So out of 14, 3-4 would be expected to
have FC genes.
?
Having the potential, and being able to use it are separate issues.
?
Chuck Chapman



?



---- Original Message ----
From: Linda Mann &lt;lmann@lock-net.com&gt;
To: iris@hort.net
Sent: Wed, Mar 23, 2011 11:10 am
Subject: [iris] Re: HYB: REB: Genetics of rebloom
Another observation - 14 &lt;very&gt; strong surviving seedlings from HARVEST OF MEMORIES X PINK QUARTZ. 100% survival of seedlings first lined out in 2008 
(or maybe 2007?)?
?
None have bloomed other than spring. If cycle rebloom is dominant, wouldn't
you expect at least one of these to rebloom??
?
Come to think of it, other than the cross with RENOWN, I don't think I've seen 
&lt;any&gt; reblooming seedlings from HoM here in spite of a lot of crosses.
Will have to go back and check my notes. I can think of three different
seedlings from HoM that have had fall maiden bloom, never bloomed other than
spring since.?
?
Or does that imply HoM is actually a summer or something other than cycle??
?
Linda Mann east TN USA zone 7?
?
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