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  • From: Steve <>
  • To: NAFEx <>
  • Subject: [nafex] Gummosis?
  • Date: Sat, 28 Apr 2012 00:19:12 -0400

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

  • [nafex] Gummosis?, Steve, 04/28/2012

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