Arrest of fungal pre-infections in raw logs and freshly sawn lumber of radiata pine using Sentry?

Unseasoned sapwood of radiata pine (Pinus radiata D. Don) from New Zealand is highly susceptible to discoloration caused by a plethora of mold, staining fungi, and decay fungi. A newly developed antisapstain treatment called Sentry?, which contains a mobile fungicide (methyl bisthiocyanate) and a non-mobile fungicide (2-n-octyl-4-isothiazolin-3-one), was evaluated for its ability to arrest fungal pre-infections in logs and lumber and provide protection for 16 weeks. After 16 weeks, Sentry, but not the benchmark product also tested, gave satisfactory protection from wood-inhabiting fungi to logs even when they were held for up to 2 days in the summer and up to 10 days in the winter prior to antisapstain treatment. For sawn radiata pine, spread of fungal infection through block-stacked lumber was contained with the use of Sentry.

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