@ARTICLE{TreeBASE2Ref31668, author = {Edgar Rodr?guez-G?lvez and Sandra Hil?rio and Eduardo Batista and Anabela Rodrigues Lopes and Artur Alves}, title = {Lasiodiplodia species associated with dieback of avocado in the coastal area of Peru}, year = {2021}, keywords = {Avocado; Pathogenicity; Phylogeny}, doi = {}, url = {http://}, pmid = {}, journal = {European Journal of Plant Pathology}, volume = {}, number = {}, pages = {}, abstract = {The production of avocado in Peru has been increasing over the last five years and it represents a major export commodity. However, characteristic symptoms of Botryosphaericeae have been observed in avocado orchards throughout the country, leading to economic losses. Thus, this study aimed to evaluate the diversity and pathogenicity of Botryosphaericeae species associated with cankers and dieback of avocado trees, located in the Peru?s Pacific coastline. On the basis of morphological and cultural characters, as well as phylogenetic analysis of the internal transcribed spacer region (ITS) and part of the translation elongation factor 1-α gene (tef1-α), the isolates were identified as belonging to three botryosphaeriaceous species such as Lasiodiplodia theobromae, L. laeliocattleyae and L. pseudotheobromae. Inoculation in cv. 'Hass' plants confirmed the pathogenicity of Lasiodiplodia species and revealed differences in aggressiveness among species and isolates. Lasiodiplodia laeliocattleyae is reported for the first time in avocado trees associated with cankers symptoms, which together with L. theobromae and L. pseudotheobromae may clearly represent a threat to Peruvian avocado plantations.} }

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