Question

Why when a ring of bark is cut from around the the circumference of a tree trunk this cause tree to die

Answer 1

Answer: When a tree has been damaged by removing a ring of bark, the tree may die depending on how completely it was girdled. ... The reason for damage due to girdling is that the phloem layer of tissue just below the bark is responsible for carrying food produced in the leaves by photosynthesis to the roots