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Laboratory evaluation of potential antisapstain treatments for Pinus radiata
1983 - IRG/WP 3237
Twelve formulations were tested in the laboratory using a 'mini' board test for effectiveness on Pinus radiata (D. Don) against sapstain, mould and decay fungi. Three formulations, sodium pentachlorophenoxide (NaPCP) plus borax, Haipen 50 WP, and Mitrol 375, are used commercially in New Zealand. Busan 1009 (0.5% product), IWD Product A (0.2% ai), IWD Product B (0.3% ai), Fennotox S2 (0.4% product) and Woodguard E.C. (0.5% product) have potential as antisapstain treatments. Kilstain, XP-3359, Celbrite-M81 and Acticide THP were ineffective at the concentrations tested. Formulations containing methylene bisthiocyanate were susceptible to the mould Trichoderma viride.
J A Drysdale