North American Fruit Explorers mailing list at ibiblio

["Lon J. Rombough" <lonrom@hevanet.com>]

I would call that strong apical dominance, not necessarily columnar.  An
adult columnar apple has a very upright growth habit, rather like a Lombardy
poplar, with few limbs and narrow crotch angles.  The limbs themselves are
covered with spurs, top to bottom.
Jim Cummins - any comment?
-Lon Rombough
----------
>From: "del stubbs" <pinewoodel@hotmail.com>
>To: nafex@yahoogroups.com
>Subject: [nafex] columnar form
>Date: Mon, May 7, 2001, 10:48 AM
>

>
>
>
>>From: "Lon J. Rombough" <lonrom@hevanet.com>
>
>>On the quality of columnar apples.  First, remember that the original
>>columnar type was a sport of McIntosh and all columnar types have been bred
>
>
> On this subject, having just dug up from the nursery bed the last of the 
>malus prunifolia that I had grafted one and 2 years ago...I knew that there 
>were some that had failed grafts ( and so were seedlings) and a couple were 
>unknown grafts (for lack of tags thaat had broken off).  However, it was 
>immediatly evident which were the prunifolia because of the spruce tree like 
>form...a dead straight central with larger and larger little branches nearly 
>to  ground on 3' 'whips'. All the grafted varieties were proper whips...just 
>a single leader, not straight, with only a couple odd spaced little limbs 
>near the top.
> So, are prunifolia "columnar"?
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