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Licensed Unlicensed Requires Authentication Published by De Gruyter June 2, 2017

Zone line formation on artificial media and in hardwoods by basidiomycetes for production of spalted wood

  • Stephanie Gantz EMAIL logo , Susanne Steudler , Hubertus Delenk , André Wagenführ and Thomas Bley
From the journal Holzforschung


One of the visual modification of wood is the formation of dark zone lines (ZLs) via interaction of fungi. The result is called spalted wood, which has hitherto been produced mainly in small batches. The main goal of the present study is to further develop techniques for rapid formation of ZLs in hardwoods. Various white rot and brown rot fungi were tested to this purpose. Initially, interactions of 148 combinations of 17 basidiomycetes in malt extract agar were evaluated and their antagonistic interactions were characterised in order to identify fungal pairs capable of rapidly forming high-quality ZLs. Six types of interactions were observed, among others; antibiosis and inhibition in contact, which differ in terms of variables including mycelial overgrowth and zone line formation. Furthermore, 23 pairs of ZL forming fungi on malt extract agar were identified. Then the interactions of five selected pairs of fungi grown on the hardwood species Acer pseudoplatanus L., Betula pendula Roth. and Populus nigra L. were examined to assess their utility for controlled mycological wood modification, also in terms of a possible substrate dependency of their interactions. The results indicate that Lentinus tigrinus fungus is one of the best and quickest producer of ZLs in mycological wood modification.


We would like to thank David Lenz, who performed numerous experiments during his work as student assistant and Dr. rer. silv. Björn Günther from the Faculty of Environmental Sciences of the Technische Universität Dresden for supporting the microscopy investigations.


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Received: 2016-11-30
Accepted: 2017-4-25
Published Online: 2017-6-2
Published in Print: 2017-9-26

©2017 Walter de Gruyter GmbH, Berlin/Boston

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