[CANUFNET] Oak tree top dieback

[Michael Richardson]

It is most certainly not oak wilt.  There is no (known) oak wilt in
Ontario and it does  not look like your leaves.

I am tempeted to suspect root/root-collar damage but of course this is
simply a guess without evidence.  I would be examining the root collar and
the area between the live and dead portions of the tree.

Michael

> Hi everyone
>
> I'm visiting family in Windsor Ontario and my aunt has a  Quuercus robur
> 'Fastigiata' The top is dead from the top to about one meter from the
> ground.  The tree did non leaf out this spring except for the bottom meter
> of the tree. I know the weather  has been wet in the summer in the Windsor
> area the last few summers. I believe it is anthracnose or oak wilt. It
> looks like anthracnose but not sure if the disease would cause 80% of the
> tree to die. I suggested to prune the dead out and let the tree grow from
> the base but if it is oak wilt I don't want it to spread to there other
> oaks. Has anyone else had this problem in the area from the wet weather.
> Or dose anyone know what we are dealing with. The picture is a few leaves
> from the part of the tree That did leaf out this year and the disease is
> only on about 10 % of what is left alive.
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> Thank you
>
> Shawn Riberdy
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