A taxonomic re-evaluation reveals that Phytophthora cinnamomi and P. cinnamom…

Between 2008 and 2011, severe dieback associated with root and collar rot was reported on Arbutus unedo in several sites in Sardinia, Italy. Isolations from infected tissues and rhizosphere soil samples consistently yielded a Phytophthora species. It was initially identified as Phytophthora cinnamomi var. parvispora Kr€ober and Marwitz by comparing morphological features with the original des…