effects of copper in large-scale single-fungus and dual-fungi wood systems

Copper sulfate can be utilized to stimulate fungal pigment production for commercial spalting applications. This research explored two larger-scale uses for fungus stimulation by copper: "drawing" exclusion areas on sugar maple by surface application of copper sulfate and the use of copper...

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Veröffentlicht in:Forest products journal 2010-09, Vol.60 (6), p.490-495
Hauptverfasser: Robinson, Sara C, Laks, Peter E
Format: Artikel
Sprache:eng
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Zusammenfassung:Copper sulfate can be utilized to stimulate fungal pigment production for commercial spalting applications. This research explored two larger-scale uses for fungus stimulation by copper: "drawing" exclusion areas on sugar maple by surface application of copper sulfate and the use of copper sulfate in dual-fungi inoculation systems to increase the number of colors and types of spalting produced. Sugar maple boards treated with 2 mL of 0.13 percent copper sulfate in an S pattern and inoculated with Xylaria polymorpha showed a distinct area of clear wood, followed by thick dark zone lines and then by a general black pigmentation expanding outward from the S. Sugar maple blocks treated with 0.06 kg/[m.sup.3] copper sulfate and inoculated with X. polymorpha/Arthrographis cuboidea had fewer black zone lines than the control blocks but more pink zone lines and internal pink stain.
ISSN:0015-7473
2376-9637
DOI:10.13073/0015-7473-60.6.490