We have a large old Sycamore that is loosing large sections of heavy thick bark about 1 ft. to 4 ft. off the ground. Under the bark are brown colored oval shaped spots with recessed holes in the center.. Can you ID the symptom and recommend a cure??
Extension
Message
From:
Jay Hayek
Extension Specialist, Forestry
Department of Natural Resources and Environmental Sciences jhayek@illinois.edu
Greetings Jack:
I simply can't ID this symptom via this forum: Please utilize our UI Extension "Distance Diagnostics" website:
