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Bacterial halo blight of coffee crop: aggressiveness and genetic diversity of strains Bragantia
Maciel,Karen Wolf; Destefano,Suzete Aparecida Lanza; Beriam,Luis Otavio Saggion; Almeida,Irene Maria Gatti de; Patricio,Flavia Rodrigues Alves; Rodrigues,Lucas Mateus Rivero; Guerreiro Filho,Oliveiro.
ABSTRACT Bacterial halo blight, caused by Pseudomonas syringae pv. garcae, is an important disease of coffee crop occurring in Brazil and other countries. In recent years, outbreaks of this disease have damaged several coffee crops in Brazil. Aggressiveness and genetic diversity of 25 strains of P. s. pv. garcae, obtained between the years 1958 and 2011, in 23 cities of São Paulo and Minas Gerais states, as well as three strains from Kenya were evaluated in this study. The strains were inoculated on coffee seedlings cultivar Mundo Novo, and their genetic diversity was evaluated by ERIC-PCR, REP-PCR, and their combination. All the strains were pathogenic to the coffee seedlings; the results of pathogenicity tests, in both experiments, could be divided in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pseudomonas syringae pv. garcae; Coffea arabica; ERICPCR; REP-PCR.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052018000100096
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