Effect of Sphaerosporella brunnea mycorrhizas on mycorrhization of Quercus ilex × Tuber melanosporum

It is generally accepted that Sphaerosporella brunnea is a significant ectomycorrhizal contaminant in nurseries producing plants mycorrhized with various species of Tuber, and subsequently in truffières after outplanting. At the University of Alcalá, Spain, 397 small plants of Quercus ilex which wer...

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Bibliographic Details
Published inNew Zealand journal of crop and horticultural science Vol. 36; no. 3; pp. 153 - 158
Main Authors Garcia-Montero, L. G., Massimo, G. Di, Manjón, J. L., García-Cañete, J.
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.09.2008
Subjects
black truffle
Mediterranean mushroom
mycorrhizal fungi
mycorrhized contamination
Tuber melanosporum
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Summary:It is generally accepted that Sphaerosporella brunnea is a significant ectomycorrhizal contaminant in nurseries producing plants mycorrhized with various species of Tuber, and subsequently in truffières after outplanting. At the University of Alcalá, Spain, 397 small plants of Quercus ilex which were mycorrhized with Tuber melanosporum were inadvertently contaminated with S. brunnea, and this contamination was then monitored for 2 years. Sixty percent of the plants were contaminated and had S. brunnea ascomata on the surface of the container on one or several occasions. However, a Spearman test provided no evidence that S. brunnea mycorrhizas affected T. melanosporum mycorrhization whereas other contaminating ectomycorrhizal fungi significantly did. Therefore, it appears that S. brunnea is not detrimental to plants which are well mycorrhized with T. melanosporum.
ISSN:0114-0671
1175-8783
DOI:10.1080/01140670809510231