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Title: Characterization of isolates of Ralstonia solanacearum biovar 2, pathogenic to Eucalyptus “urograndis” hybrids
Authors: Marques, Eder
Uesugi, Carlos Hidemi
Ferreira, Marisa Alvares da Silva Velloso
Rezende, Denise Vilela de
Assunto:: Murcha bacteriana
Fitopatologia
Issue Date: Dec-2012
Publisher: Sociedade Brasileira de Fitopatologia
Citation: MARQUES, Eder et al. Characterization of isolates of Ralstonia solanacearum biovar 2, pathogenic to Eucalyptus “urograndis” hybrids. Tropical Plant Pathology, v.37, n.6, p. 399-408, nov./dez. 2012. Disponível em: <http://www.scielo.br/pdf/tpp/v37n6/a04v37n6.pdf>. Acesso em: 06 mar. 2013.
Abstract: ABSTRACT
The objective of this study was to characterize isolates of biovar 2 of Ralstonia solanacearum pathogenic to eucalyptus “urograndis” hybrid by means of biochemical tests, as well as evaluation of host range and identification by PCR with primers for species, biovar and phylotype. Carbohydrate utilization assays revealed that the eucalyptus isolates belong to phenotype Tropical of biovar 2 (2T). From artificial inoculations it was possible to reproduce symptoms or recover the bacterium from: eucalyptus, potato, tomato, eggplant, datura, geranium, turnip, mustard, nasturtium, beetroot, sunflower, bean, French marigold, horseradish tree, and cashew. The PCR assays confirmed that the isolates belong to biovar 2, phylotype II of the bacterium. The confirmation of new biovar naturally infecting eucalyptus indicates that R. solanacearum easily adapts to new hosts.
Licença:: O periódico Tropical Plant Pathology está licenciado sob uma Licença Creative Commons Uso Não-comercial (CC BY NC). Fonte: http://www.scielo.br/scielo.php?script=sci_serial&pid=1982-5676&lng=pt&nrm=iso&rep=. Acesso em: 06 mar. 2013.
DOI: http://dx.doi.org/10.1590/S1982-56762012000600004
Appears in Collections:FIT - Artigos publicados em periódicos

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