Tools for an Internal View
The Resistograph is an Instrument for Regularly Testing Decayed and Hollow Areas in Trees
The Resistograph measures drilling resistance as a small diameter needle penetrates the wood at constant speed.
The resistance measurement is based on the energy used to forward the needle through the wood. Resistance is reduced as wood decays.
Results are presented instantly and stored electronically for further assessment and archiving so that changes can be measured over time.
Arborists use the Resistograph Wood Decay Detection System as Part of Root, Trunk and Climbing Inspections
Applying VTI with Resistograph Technology Aids in Early Problem Detection so that Arborists can Make the Best Decisions Regarding Tree Removal or Problem Correction.
Identifying Hazardous Trees
Detect, Assess and Correct Hazard Trees
Trees may harbor hidden liabilities that will cause injury to individuals and property. By applying VTI with Resistograph technology, licensed arborists ensure safety by recognizing when a tree becomes hazardous and then taking corrective action. Our arborists understand area tree biology, physiology and dendrology, soil and weather and are qualified to make hazard tree recommendations other than the removal of suspicious trees, which is the most an unlicensed individual can suggest.
Diagnosis - Standard
Our standard visual tree inspection (VTI) identifies potential hazards. Archived inspections enable the evaluation of how tree health and structure change over time. We track the age and condition, diversity of species, location and other site information.
Diagnosis - Resistograph
Total Tree Care arborists analyze, measure and document tree strength by using the Resistograph instrument, which is used for detecting decay and defects in trees and timber and in the assessment of adaptive growth as a signal of vitality or of future structural problems. It measures the resistance to a needle inserted into the wood under constant drive. Defects such as cracks, areas of decay, hollows and tree ring structures can be detected and mapped as part of root, trunk and climbing inspections.
Drought Stress Impacts Tree Health
Drought and dry soil conditions cause root damage and physical changes in trees - especially seedlings and transplants. Established trees and shrubs located on marginal sites or improperly planted are also affected by drought. Many trees and shrubs will not recover from this exceptionally severe drought. It's been quite a while since we've suffered such a lengthy drought period. When the rain finally came, it was too late for many trees and shrubs.
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