D dw3000 New Member Joined Dec 4, 2011 Messages 4 Reaction score 0 Location Canada Apr 19, 2016 #1 Any ideas on the cause of this black, cracked bark on the trunk of a serviceberry? Thanks. Attachments 20160414_121727.jpg 601.3 KB 20160414_121306.jpg 450.8 KB 20160414_121303.jpg 636.5 KB