@ARTICLE{TreeBASE2Ref18412, author = {Acelino C Alfenas and Pedro W. Crous and Johannes (Ewald) Zacharias Groenewald and J. Pedro Mansilla and Michael J Wingfield}, title = {Phylogenetic reassessment of Mycosphaerella spp. and their anamorphs occurring on Eucalyptus. II}, year = {2006}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Studies in Mycology}, volume = {}, number = {}, pages = {}, abstract = {Several species of the genus Eucalyptus are planted as exotics for timber and fibre production in the Southern Hemisphere and Asia, and to some extent also in Europe. Species of Mycosphaerella are commonly associated with leaves and twigs of eucalypts, leading to defoliation, dieback, and even death of young plants. In the present study, numerous isolates of Mycosphaerella species were obtained from leaf litter, or living leaves exhibiting leaf spot symptoms, or the more severe Mycosphaerella leaf blotch disease symptoms. Isolates were compared based on DNA sequence data for the internal transcribed spacer region (ITS1 & ITS2) and the 5.8S gene. Based on these data, as well as their cultural characteristics or on three different media, morphology, anamorphs, and ascospore germination patterns, 21 new species are described.} }

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