@ARTICLE{TreeBASE2Ref23508, author = {Antonia Carlucci and Francesca Cibelli and Francesco Lops and Maria Luisa Raimondo}, title = {Pleurostomophora richardsiae associated with trunk diseases of grapevines in southern Italy}, year = {2014}, keywords = {Pleurostomophora; wood disease; browning; ITS; phylogeny; pathogenicity}, doi = {}, url = {http://}, pmid = {}, journal = {Mycological Progress}, volume = {}, number = {}, pages = {}, abstract = {Pleurostomophora richardsiae (Nannf. apud Melin & Nannf.) L. Mostert, W. Gams & Crous (? Phialophora richardsiae (Nannf.) Conant) has previously been known mainly as a human pathogen. However, more recently it has been isolated from wood tissue of grapevines that show Petri and esca disease symptoms in California (USA) and in South Africa. During an assessment carried out in southern Italy, the abundant presence of this fungus was ascertained by morphological, cultural and molecular tools. Pl. richardsiae was isolated from sub-cortical wood patches and streaking of the trunk and cordons of grapevine cultivars that showed decline and dieback symptoms. To understand the putative pathogenetic role of this fungus in its present aetiology, pathogenicity tests were conducted in greenhouse experiments where young grapevine plants of two cultivars were artificially inoculated with two isolates of each of the fungi Pl. richardsiae, Lasiodiplodia theobromae and Phaeoacremonium aleophilum. Within 130 days, all fungal species were able to produced brown streaking on shoots of both grapevine cultivars. The L. theobromae and Pl. richardsiae isolates were the most aggressive, and the Pm. aleophilum isolates were also pathogenetic, although they produced shorter wood streaking. Therefore, Pl. richardsiae can be considered a fungal pathogen for grapevine. Fungal species were reisolated from discoloured tissue of all inoculated shoots, fulfilling Kock?s postulates.} }

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