iris DIGEST        Sunday, November 30 2014        Volume 01 : Number 376



In this issue:

        Re: [iris] REB: HYB: rebloom breeding

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Date: Sat, 29 Nov 2014 18:09:40 -0500
From: Chuck Chapman <d*@rewrite.hort.net>
Subject: Re: [iris] REB: HYB: rebloom breeding

Immortality  initiates growth of flower stalk as soon as it  gets bud
set. Thus the term instantaneous.  Preferential vernalization
rebloomers  about 5 months after bud set.

I suspect  blooming  resets vernalization state. for  whenever
rebloomers I suspect that  increases grow so fast  that the increases
are too large to respond to reset signal from blooming fan.

Chuck Chapman

- -----Original Message-----
From: Linda Mann <1*@rewrite.hort.net>
To: iris <i*@hort.net>
Sent: Sat, Nov 29, 2014 4:32 pm
Subject: Re: [iris] REB: HYB: rebloom breeding

After much thought, I wonder if IMM isn't "just" a CA sporadic
rebloomer
plus fall cycle.

It's constant production of a ton of small increases ensures that it
will have fans in all stages of development (weather permitting) all
year long.  So some of them will get their 5 months of growing season,
plus the bulk of rebloom in the fall.

Chuck, any reason not to think that the '5 months' isn't an average?
Sorry, too many negatives in one sentence... just wondering if it could
be possible to push genetics for faster growth, get that interval down
to 4 (or even 3).

Based on what I used to know about the tradeoff between disease
resistance and growth rate, it seems like that wouldn't be easy for a
plant to do.

What's the interval for Forever Blue?  Could it be the same genetics as
the CA type, but with an extremely short interval needed for maturity,
since it's an SDB, lots of fans always present?

Linda Mann zone 7 east TN

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End of iris DIGEST V1 #376
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