ISA Certified Arborist Chapter 10 (Diagnosis and Plant Disorders)Questions with Complete Solutions

True/False - Information about a tree's history and symptoms gained from a home owner can always be considered accurate. - ANSWER-False If a tree is not well suited for the site in which it has been planted, it may become _______, predisposing it to other problems. - ANSWER-stressed A common mistake in diagnosis is to carefully examine the aboveground portion of the tree, while ignoring the _______. - ANSWER-roots True/False - If a tree declines or dies within the first year following installation, a likely cause is excess or insufficient water. - ANSWER-True Leaf scorch, girdling roots, and mineral deficiencies are examples of _______ disorders. - ANSWER-abiotic Name five causes of physical or mechanical injuries to trees. - ANSWER-lawn mower/string trimmer vandalism cons