North American Fruit Explorers mailing list at ibiblio

["Ed Fackler" <ed.fackler@gmail.com>]

Tom:

 

     You've described the disease called "sooty blotch" which is a common summer disease which affects both fruit (dark grey/black "soot" appearance) and can similarly colonize on bark.

 

     I wouldn't worry about it.

 

ed

 

On 4/30/07, Thomas Olenio <tolenio@sentex.net> wrote:

Hello All,

 

Can anybody tell me what is going on with an apple tree?

 

The trunk is about 2" in diameter and part way up the trunk there is a circular, black, sooty spot, 1 ½" in diameter, that appears wet in the center.  It also appears to have run sap at some time in the past.  I have not wiped off the sooty mark yet, but there appears to be no bark damage.

 

What would cause this injury?

 

Image here;

https://lists.ibiblio.org/sympa/arc/labruscagrape/attachments/20070429/11c43b27/attachment.jpg

 

Thanks,

Tom

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