Landscape Architect Tests Disease in Oaks

Greg Applegate, ASLA and CEO of Arborgate Consulting demonstrating the use of the Resistograph in testing decay in an oak. Trees are rated numerically based on the likelihood of failure, the size of the part most likely to fail, what is most likely to be hit if it failed, and other risk factors.
Image courtesy of Greg Applegate, ASLA

Greg Applegate, ASLA was already one of the first certified arborists in southern California (#180 in 1985), and the first person in the nation to be designated a Registered Consulting Arborist (#365 in 1996) by the American Society of Consulting Arborists. On September 16, 2008 he was also certified by the Pacific Northwest Chapter of ISA as Certified Tree Risk Assessor ?EUR??,,????'?????<

Trees are rated numerically based on the likelihood of failure, the size of the part most likely to fail, what is most likely to be hit if it failed, and other risk factors.