North American Fruit Explorers mailing list at ibiblio

["Bob Hartman" <hartmansfruit@msn.com>]

Probably it is not responded to because there are so many possible causes 
and to say this or that is the cause might not be the cause at all.  There 
is a general good answer at this website.  Go to 
http://pep.wsu.edu/hortsense/.  Click on tree fruits.  Click on Cherry. 
Click on Gummosis.  This information is put out by Washington State 
University.
Bob
Western Washington

-----Original Message----- 
From: Steve
Sent: Tuesday, May 01, 2012 9:01 PM
To: nafex mailing list at ibiblio
Subject: Re: [nafex] Gummosis?

I see that nobody wanted to touch that one!



On 4/28/2012 12:19 AM, Steve wrote:
> I have never had gummosis on my trees, but I have seen it destroy a
> Northstar cherry on my mother's property (650 miles away). As I
> understand it, it's not really a disease but a symptom of a disease of
> bacterial or fungal origin or sometimes insects.
> Maybe I have it now. last Friday (before winter returned) I finished my
> pruning and I happened to notice some gelled sap on one branch of my
> Opal plum. This is a young tree, my only plum that hasn't produced any
> fruit yet. The location is on a small scaffold branch about half an inch
> in diameter (where the problem spot is located). There is a slit in the
> bark about a half inch long with sap oozing out. I pressed around the
> area and found the adjacent bark to be soft and more sap was expressed
> when I pressed on the soft area.
> So, should I panic and amputate the entire branch or start out being
> more conservative? I'll give the rest of the tree a closer inspection
> when the snow stops again, the wind chill stops being in the teens, and
> I can enjoy being out there.
>
> Steve in the Adirondacks
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