North American Fruit Explorers mailing list at ibiblio

["loneroc" <loneroc@mwt.net>]

How about fungus feeding on the honeydew from scale insects?  This can be
hard to rub off arbovitae.  I had soft brown scale on an arborvita for years
that served as a source of reinfection for tropicals (via ants) summered
near the tree.  I started spraying summer oil and over a couple years it
seems to have eradicated the problem (the scale, that is).

Steve H.
----- Original Message ----- 
From: "akmanty" <akmanty@localnet.com>
To: <nafex@lists.ibiblio.org>
Sent: Wednesday, March 28, 2007 3:39 PM
Subject: [NAFEX] Arbor vitae


> Totally off the subject of fruit trees, but does anyone know what
> might be causing lower part of arbor vitae to turn black, somewhat
> shiny, but will not rub off; seems to be spreading; have tried
> various fungicides, but doesn't seem to help; have also cut it out,
> disinfecting shears?
>
> Or, any other place to turn for help; have tried Googling, but still
> no answers.  Have also had some testing done.
>
> Any ideas, thanks so much,  AK
>
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