A Serendipitous Field Test against the Cellar Fungus Coniophora olivacea

A weather-protected aboveground field test was established at Kincardine, Ontario, Canada, to assess the performance
against termites of two formulations of carbon-based preservative in Pacific silver fir (Abies amabilis) and white spruce
(Picea glauca). A naturally durable untreated reference species was also included. The boards were visually inspected for
decay and termite attack after 6 years. Termite attack was negligible, but the test material was challenged by Coniophora
olivacea, a soil-inhabiting, strand-forming, brown-rot fungus. While decay was well advanced in some untreated controls and
western red cedar (Thuja plicata) reference samples, treated samples that had been similarly challenged remained in excellent
condition.

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