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nafex - RE: [NAFEX] It doesn't take a genus to see that there must be some relationship...

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  • From: "Stephen Sadler" <Docshiva@Docshiva.org>
  • To: "'North American Fruit Explorers'" <nafex@lists.ibiblio.org>
  • Subject: RE: [NAFEX] It doesn't take a genus to see that there must be some relationship...
  • Date: Wed, 16 Feb 2005 11:00:40 -0800

You're addressing a question I've long been curious about - what is the
relationship between genera Aronia, Pyrus, Sorbus, and Crataegus (and select
others)? Aronia and Pyrus will graft; Pyrus and sorbus will cross; Aronia x
Prunifolia is classified in genera Crataegus, Mespilus, Photinia, and Pyrus,
depending on source; Crataegus, Sorbus, and Mespilus will cross...

I still await DNA testing for further definition. As many of you know,
botanical species are classified by characteristics of the flowers, which
assumes a definitive correlation between genetics and floral
characteristics. That assumption does often work out, but is not by any
means exact. Fifteen years ago I was somewhat keeping track of efforts to
use genetic testing to reclassify plants. The zoologists are certainly
making strides in genetic studies, but I haven't heard about botanical
reclassification in some time.

News and comments appreciated...

Stephen Sadler, Ph.D.
USDA 9, AHS heat zone 8,
Sacramento CA - Mediterranean climate


-----Original Message-----
From: nafex-bounces@lists.ibiblio.org
[mailto:nafex-bounces@lists.ibiblio.org] On Behalf Of rob hamilton
Sent: Wednesday, February 16, 2005 4:34 AM
To: North American Fruit Explorers
Subject: Re: [NAFEX] aronia rootstock

I has anyone else used Aronia as a rootstock for
anything else? What is it comapatable with?




--- Doreen Howard <gardendiva@charter.net> wrote:

> I talked with the people at One Green World today,
> when they called to
> confirm the shipping date of the dwarf Shipova I
> ordered. I asked about the
> aronia rootstock and if it effected the precocity of
> the tree. They said
> their experience is that Shipova on aronia bears
> fruit in 3-4 years. The
> person I talked with said that has been the
> experience with their grafts at
> the nursery. Does this sound reasonable to you
> experts, given that Shipova
> normally doesn't bear until the 7th year or later?
> Doreen Howard
>
>
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=====
--------------------------------------------
Zone 7a/b Atlanta, GA

Atlanta Fruits Club
www.groups.yahoo.com/atlanta_fruits
North American Fruit Explorers (NAFEX)
www.NAFEX.org
Southern Fruit Fellowship (SFF)
www.NAFEX.org/SFF
Southeastern Palm and Exotic Plant Society (SPEPS) www.SPEPS.net



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