Microwave radar for detection of resin defects in Pinus elliottii Engelm var elliottii

Greg Hislop 1 , Andrew D. Hellicar 2 , Li Li 2 , Kieran Greene 2 , Chris Lewis 3 ,  and Roger Meder 4
  • 1 Université Catholique de Louvain, Louvain la Neuve, Belgium, formerly
  • 2 CSIRO ICT Centre, Sydney, Australia
  • 3 CSIRO Materials Science and Engineering, Sydney, Australia
  • 4 CSIRO Plant Industry, Brisbane, Australia


Surface penetrating microwave radar is identified as a low-cost, reliable, portable, and safe means of detecting resin defects in plantation-grown pine logs. This new method of non-destructively testing logs has the potential to be applied at several intervention points in the value chain, including on standing trees, fallen stems, and merchandised logs either in the forest or in the mill. Results clearly distinguish resin-affected logs from unaffected logs, even in logs of high moisture content.

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Holzforschung is an international scholarly journal that publishes cutting-edge research on the biology, chemistry, physics and technology of wood and wood components. High quality papers about biotechnology and tree genetics are also welcome. Rated year after year as one of the top scientific journals in the category of Pulp and Paper (ISI Journal Citation Index), Holzforschung represents innovative, high quality basic and applied research.