North American Fruit Explorers mailing list at ibiblio

[Lee Reich <leeareich@gmail.com>]

Nobody has fully explained how dwarfing rootstocks or interstems exert their 
effect. 

Lee Reich, PhD
Come visit my farmden at http://leereich.blogspot.com/
http://leereich.com/

Books by Lee Reich:
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Grow Fruit Naturally

On Jan 28, 2013, at 3:27 PM, tanis cuff wrote:

> 
> Please correct this if wrong.  If I remember my botany, some plant 
> nutrients move upwards in the interior part of the stem, while others move 
> downwards in the cambium just under the bark.  Both have an effect on the 
> dwarfing of a graft.  If you switch the topwork & rootstock cultivars of an 
> interstem combo, you are asking the 'assembly line' to run in the opposite 
> direction.  I would like to see side-by-side comparisons, before relying on 
> doing many for expected production.
> 
> tc, s.WI, 0 F one day, 0 C the next
> 
> ----------------------------------------
>> Date: Tue, 22 Jan 2013 16:08:52 -0600
>> From: antonptak@gmail.com
>> To: nafex@lists.ibiblio.org
>> Subject: Re: [nafex] revisiting quince - compatibility if reverse scion 
>> and rootstock
>> 
>> One more question on this - I find references to using OHF interstems on
>> quince to increase compatibility with some pear cultivars. If
>> compatibility works in one direction, should it not also work in the
>> reverse? i.e. if OHF pear interstems on quince are compatible, would
>> not quince grafted onto OHF, or is there some horicultural aspect of
>> compatibility that does not necessarily permit someone to draw that
>> conclusion? Alternatively, anyone's personal experience regarding this
>> would be also be quite interesting.
>> 
>> It would also be interesting to hear of this concept applied to other
>> species as well.
>> 
>> Anton Ptak
>> Zone 4a W. Wisc
>> 
>> 
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