In times where local authorities and private land owners are becoming increasingly aware of trees and their importance in urban life, it is important to have professionals assess amenity trees on a regular basis to monitor their health and structural condition. A Visual Tree Assessment (V.T.A.) is often all that is required, however not all aspects of a trees' structural integrity can be seen with the naked eye. In many cases accurately assessing the degree and severity of wood decay for example is difficult.

To learn more about detection of Decay in Trees and receive expert advice from one of our qualified consultants contact us using our online form.


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Fig. 1: This tree above showed no external signs of decay prior to failure.

Non Invasive Method of Internal Decay Detection

Star Tree Services is proud to announce the introduction to Australia of the only non invasive method of internal decay detection for trees; Tree Radar Unit (T.R.U.)™.

Using a novel application of Ground Penetrating Radar (G.P.R.) technology, the T.R.U. creates a high-resolution, non-invasive image of the internal structure of a tree or a 3 dimensional, graphical representation of its root mass, in much the same way that a Magnetic Resonance Imaging (M.R.I.) does for humans. The T.R.U. therefore fills a critical gap in the quantitative analysis of tree health and structural integrity.

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This technology allows Arborists to accurately detect the location and severity of decay in the trunk and branches of a tree, as well as accurately map the tree's root system. This information can be used as an accurate tool when making management decisions regarding the potential risk a tree may or may not pose to people and/or property.
The use of T.R.U. can help professionals and tree owners make accurate and informed decisions about trees before part or entire tree failure occurs.

To learn more about detection of Decay in Trees and receive expert advice from one of our qualified consultants contact us using our online form.

Tree Radar: Non-invasive Decay & Root Detection

There are various methods of detecting decay within trees however T.R.U. is the only method that is non-invasive (i.e. that does not penetrate the bark and/or cambial layer of the tree, potentially creating an ingress point for decay fungus or plant pest(s)). This was a major contributory factor in Star's decision to become exclusive distributors of T.R.U. in Australia and New Zealand. We believe that the ability to measure the extent of remaining sound wood, without further damaging the tree's defence systems, is essential to the ongoing development of professional arboricultural practice.

Tree Radar Graphics


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Root Layout and Density
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Actual v/s Virtual

Enlarge Remaining Solid Wood

To learn more about detection of Decay in Trees and receive expert advice from one of our qualified consultants contact us using our online form.



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Tel: (03) 5783 3170
Fax: (03) 5783 3035

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Tree Radar - Decay & Root Detection
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