[NAFEX] Plum Graft

Dave Griffin griffingardens at earthlink.net
Wed Apr 26 06:52:54 EDT 2006


Hello all,
  I think someone should mention the way to avoid this is to bury the
graft/bud union 2" when you plant the tree. There is some degree of
incompatibility in even the best rootstock (somebody else's root, not my
own) and the scion will almost always self-root in time when given the
opportunity to do so. While there are good reasons to prevent this when the
rootstock makes a contribution to some expressed desirable characteristic
of the tree like dwarfing or adaptation to a particular site, if there is
no contribution made by the rootstock other than to provide a root to
propagate the cultivar on there is no reason to maintain it and probably
lots of good reasons not to - health, hardiness, and better support among
them. Certainly a hardy plum on P.americana is one such case where the tree
is better off on its own roots.
  In this case I'd advise that another tree of this cultivar be planted
elsewhere and when it is big enough to take over for the old one its "off
with her head." If there is no elsewhere, the new tree can be planted
adjacent to the old one with the intention that it will take over when
ready or the old one tips over. The old tree can be pruned away to provide
the necessary light as the new one grows. In the meantime, the verticality
of the old one can be extended by tying it to a 1/2" conduit stake with
support ropes to the ground if/as needed. Ugly, yes, but thats what leaves
are for and ugly is better than horizontal.

Dave 
Central MN, zone 4a


> [Original Message]
> From: <list at ginda.us>
> To: <breen at fedcoseeds.com>; North American Fruit Explorers
<nafex at lists.ibiblio.org>
> Date: 4/25/06 4:07:39 PM
> Subject: Re: [NAFEX] Plum Graft
>
> Or if you have room, plant another rootstock elsewhere, and graft  
> these cultivars to them, so you have a replacement ready when the  
> first trees die.
>
> But I vote for "enjoy them now".  Plants die for all sorts of  
> unpredictable reasons.
>
> Ginda
>
> On Apr 23, 2006, at 8:33 PM, Heron Breen wrote:
>
> > Hi Jim,
> > If I were you, I would plant additional rootstock  around the  
> > current single
> > stemmed plum tree and then graft these plum rootstock to the scion  
> > cultivar. This
> > way even if the tree is over growing its one current rootstck it is  
> > supported and
> > nourished by additional roots. You may end up having to use some 2  
> > x 4 braces for
> > support of the main trunk/crown, but the additional rootstock  
> > should help the
> > nutritional strangling issue. I did this on a plum that had severe  
> > girding a few
> > years ago. Worked fine.
> > If someone said this already, forgive the repetition.
> > Let us know what you end up trying,
> > Heron Breen
> > zone 4b, Maine
> >
> > On Sun Apr 23 12:48 , Hélène Dessureault <interverbis at videotron.ca>  
> > sent:
> >
> >> If the graft is close to the ground, you could add soil around the  
> >> base of
> >> the tree up to above the graft union. The stronger tree above would
> >> hopefully make roots to support itself.
> >> I have seen the same phonomenon with pears grafted on hawtnorne.  
> >> Eventually
> >> the graft cannot support the top growth.
> >> Hélène, zone 3-4
> >> ----- Original Message -----
> >> From: "Thomas Olenio" tolenio at sentex.net>
> >> To: "North American Fruit Explorers" nafex at lists.ibiblio.org>
> >> Sent: Sunday, April 23, 2006 8:03 AM
> >> Subject: Re: [NAFEX] Grafting Question
> >>
> >>
> >>>
> >>>
> >>> Hello,
> >>>
> >>> Would partial girdling (lack of food), slow the process?
> >>>
> >>> Later,
> >>> Tom
> >>>
> >>> On Sun, 23 Apr 2006 07:56:21 -0400, Jim Fruth jfruth at uslink.net>  
> >>> wrote:
> >>>
> >>>>    A few of my plum grafts, that I have performed ten years ago,  
> >>>> have
> >>>> problems.  The diameter of the top is growing faster than the  
> >>>> diameter
> >> of
> >>>> the rootstock.  It appears as though it will soon choke itself  
> >>>> off.  If
> >>>> these were your trees, what would you do to prolong their life?
> >>>
> >>>
> >>>
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