Re: MED: MTB - Blue Chip Stock
- To: <iris-talk@onelist.com>
- Subject: Re: MED: MTB - Blue Chip Stock
- From: S* R*
- Date: Thu, 15 Apr 1999 09:40:20 -0500
From: "S&C Rust" <srust@fidnet.com>
Sterling, the only way I know that an iris can be called tetraploid is: 1.
if it is from two tetraploid parents, 2. it is tested and proven to be a
tetraploid 3. if it crosses readily and gives fertile seeds with
tetraploids, some people will assume that it too, is a tetraploid.
As I have had it explained to me, a cross between an SDB x TB yields an IB
that is usually (not always) infertile. It does not contain the same number
of chromosomes that a TB has. I've never heard of ECHO POND, but I have
heard of EVENING POND (unfortunately, it died here before blooming) and I
believe it was a diploid. Perhaps Paul Black treated the seed? I don't
know, but it sounds unbalanced to me, thereby fluffing up my plans to use it
in hybridizing! Ah, well...
Cindy Rust, Missouri
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