Blastosporium persicolor gen. et sp. nov., a new helotialean fungus

Collection: Pensoft Publishers

Keywords: Ascomycota · Topics: Plant Pathogens and Fungal Diseases, Mycorrhizal Fungi and Plant Interactions, Yeasts and Rust Fungi Studies

A new genus and species, Blastosporium persicolor, is described and illustrated from leaves of mildewed tobacco. It is characterised by branched, septate hyphae from which arise macronematous, unbranched or spaced branched conidiophores and mono- or polyblastic conidiogenous cells that produced solitary and blastocatenate, obovoid, oblong, ellipsoidal, allantoid, broad fusiform to irregular, unicellular, hyaline conidia. The phylogenetic analyses, based on the combined sequence data from the small and large nuclear subunit ribosomal DNA (SSU and LSU), placed B. persicolor in the Leotiomycetes class, Helotiales order.

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