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  • From: Steven Covacci <>
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  • Subject: [nafex] Burying graft union; scion will root?
  • Date: Fri, 31 May 2013 00:19:57 -0400 (EDT)


I've started a practice of burying the graft-unions (2" bellow ground) of
trees grafted unto seedling rootstocks of like species (i.e. P. cerasus on P.
cerasus) - as long as the sapling is of 1" or less caliper. I haven't had he
scions root in these cases yet one and two years later (dogwood tree types,
plums, peaches, apricots and sour-cherries).

Rationale: to eliminate just an unnecessarily source for borers to enter and
the fact that there is always a degree (minute or not) of incompatibility
between the scion and the understock - even in cases where they are both of
like species and even subspecies.

Do you believe that the scion portion that is buried will root? If so, will
both resulting rootsystems collectively persist (that of the scion in the
upper portion of the soil, and that of the rootstock in the lower portion -
being the original root mass)? Might the tissue of the scion (trunk) be past
the point of being able to produce roots due to advanced development beyond
being in the seedling stage?

Thank you,

Steve NJ

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