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Re: Re: Hyb: Daylight Independent

  • Subject: Re: Re: Hyb: Daylight Independent
  • From: Autmirislvr@aol.com
  • Date: Fri, 15 Feb 2008 06:56:16 -0500

A few hybridizers are working on this trait in TB rebloomers.  Constantly searching for irises that bloom in the summer. 

<<FB and
its children bloom when ever, and thus rebloom in very cold regions.
and troughout Summer.>>

Like other traits it is stronger in some irises than others. 

Chuck, how many seedlings did you bloom from Forever Blue x Immortality? 

Betty W/KY/zone 6

-----Original Message-----
From: irischapman@aim.com
To: iris-photos@yahoogroups.com
Sent: Thu, 14 Feb 2008 10:16 pm
Subject: [iris-photos] Re: Hyb: Daylight Independent

The lenght of daylight hours triggers bloom in many plants, including
Iris. Thus they bloom in spring and again in fall when the lenght of
daylight hours match the trigger daylenght in spring (for rebloomers).
Forever Blue and a number of it's children don't need that trigger, but
bloom whenever a rhizome gets lare enough to support a bloom stalk.

Most SDB rebloomers rebloom her very late in Fall, just before killing
frost. This reflects daylight hours that trigers spring bloom. FB and
its children bloom when ever, and thus rebloom in very cold regions.
and troughout Summer.

Chuck Chapman

Re: Reblooming Seedling

Posted by: "brimmsplace"
brimmsplace@yahoo.com

brimmsplace

Wed Feb 13, 2008 8:09 am (PST)

Very nice seedling. But what do you mean "not a daylight
dependent"? I've never heard that term before.

Billy

irischapman@aim.com wrote:

Here is a reblooming seedling from Forever Blue X Victoria
Falls. It is

an IB and is a regular rebloomer (not a daylight independent) .

I keep trying to breed with it , hoping to get the daylight independent

genes into the TB.

Chuck Chapman

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