花斑木菌种筛选

doi:10.11707/j.1001-7488.20140515

Abstract

Abstract:

Spalting is any form of wood coloration caused by fungal colonization. The colorful and intricate zone lines make the wood very attractive and decorative. It is valuabled to find the fungi that cause wood spalting. In this study, spalted wood was collected in the wild and the fungi in the spalted wood were isolated and cultivated, followed by inoculating the cultivated fungi on the normal wood of Alnus nepalensis, Populus tomentosa and so on. Nine fungal species were identified from collected spalted wood samples, i.e. Xylaria spp.(4 species), Nemania diffusa, Daldinia childiae, Nectria rigidiuscula, Phomopsis sp. and Graphium sp. Nectria rigidiuscula caused red stain on wood surface while others formed zone lines which extended deeply into wood. Xylaria venosula, Phomopsis sp. and Stilbum sp. are endophytic fungi and plant pathogenic fungi but had never reported as wood spalting fungi. In this study these fungi were found to bring about excellent wood spalting , which formed numerous zone lines in the inoculated wood with little wood decay in 8 weeks. Also, these fungi formed more intricate zone lines in Populus tomentosa wood than in Alnus nepalensis wood. Further research is need, especially on the mechanism of zone line formation.

Key words: wood decoration, fungi identification, Xylaria, pigment, zone lines

CLC Number:

ST18.81

He Haishan, Wu Jianrong, Qiu Jian, Guo Menglin, Gan Changtao. Screening Fungi for Wood Spalting[J]. Scientia Silvae Sinicae, 2014, 50(5): 118-122.

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Screening Fungi for Wood Spalting

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