Re: Re: breeding Rebloomers
- Subject: Re: Re: breeding Rebloomers
- From: Linda Mann <firstname.lastname@example.org>
- Date: Tue, 07 Oct 2014 07:37:10 -0400
Most people who are engaged in creative work don't do what others
suggest most of the time ;-) I listen, may try some different
approaches after thinking about what you suggest, but no way I'm going
to take time away from my own stuff to start all over trying to do what
you suggest. Especially when what I'm doing is working for me.
People usually learn more by making their own mistakes, and as you well
know, serendipity plays a big role in advances in science. So doing
something that "shouldn't" work can be informative.
<Most people haven't made the crosses I suggest.>
I assume you mean it works against rebloom in your growing conditions
(i.e., far north of zone 8)?
I'm nearly zone 8 myself, so all I need to add to a zone 8 Mediterranean
iris is disease/late freeze tolerance, with enough cold tolerance to get
through an occasional hard freeze. Turns out to be very easy to do.
But it has taken a lot of trial and error, especially when I finally had
enough $ to afford to buy and kill some of the newest & greatest.
Ability to trigger bud set in high heat/humidity remains a big unknown
for me, both genetically (suite of genes? one broken gene? dominant?
recessive?) and figuring out which lines might have the genes for it.
I forget what FC stands for ...
Most of the 'southern' plants (geez, I wish we had some memorable, non
confusing terms for all this stuff!) that I've chosen to try have had
descriptions of plant habits in their catalogs of origin or I've heard
by word of mouth from someone knowledgeable about plant habits. If
Keith Keppel, for example, says in his catalog that something isn't as
strong a grower as he'd like, I'll not try that one. Also, most of
these breeders have been very helpful in sharing information about
breeding potential in email correspondence.
I thought we were talking about iris breeders. This sounds more like the
general public than breeders.
One thing I think we agree on is that breeding for rebloom is not a
matter of buying two irises advertised as rebloomers, expecting to cross
them and get a bunch of reblooming seedlings.
While your theory that only one type of genetic 'break' for rebloom is
recessive may be true, my seedlings leave me with the impression that
<all> rebloom is recessive. Maybe because of variable genetic responses
to weather/year to year climate variations? Or maybe because of
different temperature threshold genes that don't match up?
On 10/6/2014 9:11 PM, Chuck Chapman wrote:
Usually when crossing to a non FC iris a southern plant is chosen based on flower rather then
plant habits. This would work against rebloom.
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