Geographical Distribution of Biovars of Ralstonia solanacearum in Brazil

Maria Salete De Melo, Naruto Furuya, Kazuhiro Iiyama, Abu Ashraf Khan, Nobuaki Matsuyama

Research output: Contribution to journalArticle

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Abstract

Fifty-seven bacterial wilt pathogens were isolated from infected tomato, eggplant, potato, cucumber, pepper, banana, Solanum gilo and eucalyptus plants collected at different regions in Brazil. They were identified as Ralstonia solanacearum by the routine identification tests and the TLC method. The isolates were divided into seven groups on the basis of pathogenicity tests to tomato, eggplant, potato and tobacco. Moreover, based on the results of cultural, physiological and biochemical tests, twenty-four isolates were grouped as biovar 1, seventeen as biovar 2 and sixteen as biovar 3. Biovar 1 isolates are common and widely distributed in Brazil. Biovar 2 isolates are predominant on potato and prevail in the central west, south-east and south areas. Biovar 3 isolates exist mainly in the northern and north-eastern parts of Brazil.

Original languageEnglish
Pages (from-to)9-15
Number of pages7
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume44
Issue number1-2
Publication statusPublished - Nov 1 1999

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Ralstonia solanacearum
Solanum tuberosum
Solanum melongena
Brazil
geographical distribution
eggplants
potatoes
Lycopersicon esculentum
Solanum aethiopicum
tomatoes
Solanum
Eucalyptus
Cucumis sativus
bacterial wilt
Musa
testing
pepper
bananas
cucumbers
Tobacco

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

Geographical Distribution of Biovars of Ralstonia solanacearum in Brazil. / De Melo, Maria Salete; Furuya, Naruto; Iiyama, Kazuhiro; Khan, Abu Ashraf; Matsuyama, Nobuaki.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 44, No. 1-2, 01.11.1999, p. 9-15.

Research output: Contribution to journalArticle

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