New report of Biscogniauxia rosacearum as a pathogen on almond trees in Iran

Biscogniauxia species are known as fungal trunk pathogens on various tree in the world. During a survey of diseases fruit trees conducted Iran, branch dieback was observed almond Kerman province (in Southeast Iran). Evaluation symptomatic branches revealed wood discoloration cross-sections and presence fruiting bodies an ascomycete fungus their bark. A total 31 isolates were obtained, 13 recovered from necrotic tissues 18 bodies. These subjected to morphological analysis well sequencing partial ITS-rDNA beta tubulin gene sequences. identified rosacearum. Results pathogenicity tests showed that this is pathogenic shoots. Based our knowledge, first report Iran