Busan 30, Busan 1009, Mitrol PQ375. and sodium pentachlorophenoxide (NaPCP) plus have been evaluated as antisapstain treatments for the long-term protection of debarked radiata pine logs. After 3 months' winter-spring storage, treated debarked logs had less surface and internal sapstain than 'control' logs. After 6 months' storage all logs had internal sapstain and decay. Busan 30 was the most effective treatment in preventing internal degrade although 1.5% a.i. NaPCP plus 1.5% borax was more effective in preventing decay.

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