title: Low genetic diversity among pathogenic strains of Erwinia psidii from Brazil.
abstract: Erwinia psidii causes bacterial disease of guava in Brazil. Phenotypic and molecular characterization through rep-PCR fingerprinting of 42 strains from different geographical regions showed that E. psidii populations in Brazil have a low level of genetic diversity and suggest that contaminated plant material is the main source for pathogen dissemination in the country.
authors.affiliation: Departamento de Fitopatologia, Universidade de Brasília , Brasília DF , Brasil.
authors.forename: Ana C O
authors.initials: AC
authors.lastname: Teixeira
authors.forename: Abi S A
authors.initials: AS
authors.lastname: Marques
authors.forename: Marisa A S V
authors.initials: MA
authors.lastname: Ferreira
keywords: Psidium guajava; guava bacterial blight; rep-PCR fingerprinting
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