Samples were taken from several hop fields presenting various symptoms. Fifty-nine pure filamentous fungal strains were isolated and identified through genomic DNA preparations, PCR amplification of the ribosomal DNA internal transcribed spacer region and database interrogations. The most frequent genera were Alternaria (16 isolates) and Epicoccum (14 isolates). The ecosystem was shown to be very diverse, since as many as 27 species belonging to 17 genera were recovered. Furthermore, many of the isolated fungi are known to be involved in phytopathogenesis.
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