G Gall – A localized swelling of branch or stem generally caused by fungi, bacteria, insects or a physiological disorder. Gas Exchange – Represents the amount of air exchanged within
F Fiber Buckling – Visible enlargement of tissue on the down side of a tree stem. Represents the reaction of a stem to a heavy loading. It is normally safe
E Epicormic Shoot – Shoot that arises from latent or adventitious buds that occur on stems and branches and on suckers produced from the base of trees. Evapotranspiration (ET) –
D Diameter Breast Height (DBH) – Diameter at Breast Height (measured at 4 1/2 feet above soil grade). DBH is required for determining tree value. Multi stemmed trees require diameters
C Caliper – Synonym for trunk diameter used to measure the size of nursery stock; by convention, measured 15 cm (6 in.) above the ground for stems less then or
B Basal Flare – The rapid increase in diameter that occurs at the confluence of trunk and root crown, associated with both stem and root tissue. Best Management Practices –
A Abatement – Reduction in hazard, either by treatment of tree of removal of target. Adventitious Root – Root tissue that develops from newly organized meristems, sometimes associated with fill
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