Affiliation: | 1. Department of Wood Biology, University of Hamburg, Leuschnerstr. 91, 21031 Hamburg, Germany.;2. Institute of Arboriculture, Hamburg, Germany;3. Faculty of Resource Management, University of Applied Sciences and Arts, Büsgenweg 1a, Göttingen, Germany;4. Department of National and International Plant Health, Federal Biological Research Centre for Agriculture and Forestry, Braunschweig, Germany |