[PHOTO] [Fwd: Re: [iris] new questions - tetraploid MTB's] | Mon, 10 Mar 2003 21:58:17" />
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[PHOTO] [Fwd: Re: [iris] new questions - tetraploid MTB's]

  • Subject: [PHOTO] [iris-photos] [Fwd: Re: [iris] new questions - tetraploid MTB's]
  • From: Vicki vicki_c@attbi.com
  • Date: Mon, 10 Mar 2003 19:37:41 -0800

-------- Original Message --------
Subject:  [iris] new questions - tetraploid MTRe:B's
Date: Mon, 10 Mar 2003 19:30:34 -0800
From: Vicki <vicki_c@attbi.com>
To: iris@hort.net
References: <OF8B1FCD28.05A947EB-ON87256CE5.0081844F@cabq.gov>

Hi Dave,

The tetraploid MTB' s we have introduced  took many generations of 
crosses to finally get seedlings that met the rigid class requirements. 
 (approximately 18 years )  We used Iris aphylla to miniaturize the tall 
bearded iris. With the help of Ben Hager's seedlings and a couple he had 
introduced that were near MTB size, and with the advise generously given 
by  Bob Schreiner we eventually were able to reach our goal. I. aphylla 
has multi branching and buds. Most branch from the base (within one inch 
of the rhizome). They  throw multi budded and branched seedlings when 
crossed with TB's.   We now have  lines of seedlings which are producing 
 first generation MTB's.  Attached is a photo of one which was selected 
best seedling at the Portland Show in 2002.  The beauty of the tet's  is 
that we can produce MTB's  in any color combination and many very smooth 
clean colors with the form of  the most advanced TB's.  Now we are 
getting rebloomers.  In addition, we have several that meet the SDB 
class in size but bloom with the tall bearded. That certainly extends 
the bloom season. See attached photo of 48 chromosome SDB.
There will be some who are offended by a SDB that blooms with the TB's. 
yet other's applaud  advances made to extend bloom seasons.  
The field is wide open not only for MTB's but SDB' and IB's and BB's. 
Our iris are as fertile as the TB's! They are all well branched, 
multibudded, giving a  long bloom season.
Lynn Markham is working with aphylla  and aphylla derivatives. Ken 
Fisher has been incorporating them in his lines as has Terry Aitken, and 
even Lynda Miller's husband. Cindy and Steffy Rust are working on a line 
of reblooming iris out of aril using aphylla derivatives.
I hope this answers your inquiry.
Vicki Craig
Tigard, Or

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