does not answer your specific questions, but sounds athoritative
enough to be worth following up with e-mail or phone call. I'm sorry
you have to prune your tree. Some rather unpleasant neighbors sheared
my large old dogwood straight up and down along the property line some
years ago, and it recovered over time with no noticable insect or
disease damage. The cuts were not sealed with anything. This was/is in
SE Virginia, where there are dogwoods all over the place. Good luck.
Tar and commercial pruning paints containing tar should never be
used. They cause die-back.
I find that white glue (Emler's, Will-Hold, etc) is an excellent
seal for pruning cuts. The cuts seem to heal more quickly if
sealed, especially heading cuts.
When I prune my peach, I reseal old cuts where the wood has dried
and cracked, to keep water out of the cracks. This prevents rot.
When I prune my roses, any heading cut on a twig thicker than a
soda straw is sealed. Otherwise, stem borers (solitary wasps
making nests) will enter the cut and drill down 2-3 inches,
weakening the branch.
David E. Ross
Climate: California Mediterranean
Thanks John, I will check out those resources you list to see if i can find
a little guidance. I am thinking of waiting until the full onset
(December?) of winter before i make the head cut.
On Mon, 22 Nov 2004 14:24:34 -0500, "John A. Keslick, Jr."
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