Francisco Quirino

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Several outbreaks of bacterial wilt disease caused by the quarantine bacterium Ralstonia solanacearum were identified in Portugal. Intensive surveys recognized the bacterium as endemic in the main irrigated agricultural ecosystems. Between 1999 and 2006 all isolates of R. solanacearum were characterized as belonging to biovar 2A. In 2007, biovar 1 strains(More)
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