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Repetitive‐sequence polymerase chain reaction (PCR) (A, BOX‐PCR; B, ERIC‐PCR) fingerprint patterns for genomic DNAs of Pseudomonas syringae pv. actinidiae strains isolated in central Italy from Actinidia chinensis and A. deliciosa during 2008–2009, compared with strains of past outbreaks of bacterial canker of kiwifruit in Japan (1984) and Italy (1992). [From Ferrante and Scortichini (2010).] The arrows indicate the bands enabling the visible differentiation of the two populations.
