Pseudofusicoccum

Pseudofusicoccum Mohali, Slippers & M.J. Wingf., Stud. Mycol. 55: 249 (2006).

Index Fungorum number:IF 500884; Facesoffungi number:FoF05299,8morphological species (Species fungorum 2021), 7 species with molecular data.

Pathogenic on host.Sexual morph: Unknown.Asexual morph:Conidiomata large, superficial on MEA, multilocular, eustromatic, covered with hyphae;locule totally embedded without ostioles,locule walls consisting of a dark browntextura angularis, becoming thinner and hyaline towards the conidiogenous region.Conidiogenous cells hyaline, holoblastic, smooth, cylindrical, producing a single apical conidium, the first conidium produced holoblastically and subsequent conidia produced enteroblastically.Conidia hyaline, thin to slightly thickened walled, aseptate, granular, bacilliform, straight to slightly curved, apex and base both bluntly rounded or just blunt(Adapted from Mohali et al. 2006).

Type species:Pseudofusicoccum stromaticum(Mohali, Slippers & M.J. Wingf.) Mohali, Slippers & M.J. Wingf.

Notes:Pseudofusicoccum is characterised by multilocular, eustromatic conidiomata, peridium comprising dark brown cells oftextura angularis, holoblastic conidiogenous cells and hyaline aseptate conidia.Crous et al. (2006a) identified a mucous layer around conidia of allFusicoccum species and accommodated these species inPseudofusicoccum.Pseudofusicoccumdiffers fromFusicoccum by the production of a pigment in culture and the size of different authors based on morphology and phylogeny (Mehl et al. 2011,Trakunyingcharoen et al. 2015, Jami et al. 2018).Yang et al. (2017) raisedPseudofusicoccum to familial status asPseudofusicoccaceae. In the phylogenetic analyses ofPhillips et al. (2019),Minnis et al. (2012) andLiu et al. (2017),Pseudofusicoccum clustered in the same clade as members ofPhyllosticta.Phillips et al. (2019) consideredPseudofusicoccum as an additional genus withinPhyllostictaceaebased on morphology, phylogeny and evolutionary divergence evidence. Molecular markers available forPseudofusicoccumare ITS, LSU, SSU, BTUB, RPB2 and TEF-1.

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