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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
07/07/2014 |
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Data da última atualização: |
25/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
COSTA, S. N.; BRAGANÇA, C. A. D.; RIBEIRO, L. R.; AMORIM, E. P.; OLIVEIRA, S. A. S. de; RODRIGUEZ, M. A. D.; BARBOSA, F. F. L.; HADDAD, F. |
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Afiliação: |
S. N. COSTA, UFRB; C. A. D. BRAGANÇA, CAPES; L. R. RIBEIRO, UFRB; EDSON PERITO AMORIM, CNPMF; SAULO ALVES SANTOS DE OLIVEIRA, CNPMF; MIGUEL ANGEL DITA RODRIGUEZ, CNPMF; FRANCISCO FERRAZ LARANJEIRA BARBOSA, CNPMF; FERNANDO HADDAD, CNPMF. |
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Título: |
Genetic structure of Fusarium oxysporum f. sp. cubense in different regions from Brazil. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Plant Pathology, 2014. |
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ISSN: |
0032-0862 |
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DOI: |
10.1111/ppa.12242 |
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Idioma: |
Inglês |
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Conteúdo: |
Panama disease, caused by Fusarium oxysporum f. sp. cubense (Foc), is ranked among the most destructive diseases of banana. The use of resistant varieties is the most desirable and effective control measure. Information on the pathogen population structure is essential, as durability of the resistance and effective cultivar deployment are strongly linked to this structure. In this study, 214 Foc isolates from different banana producing states in three regions of Brazil (north- eastern, southeastern and southern) were analysed. Initially, nine microsatellite markers (SSR) were tested, which revealed 52 distinct haplotypes distributed in the different geographical regions and cultivars. While AMOVA analysis showed that 68 01% of the total variation occurred within states, correlation between genetic and geographical dis- tances was only found in the southern region. Results indicated that isolates from different states comprise a single population, which is predominantly clonal. When isolates representing different haplotypes were inoculated in four banana cultivars, differences in severity were found, with the high severity values being caused by isolates from haplo- types H7, H31 and H41. The diversity found here points to the need for additional studies, as this characteristic may be related to Foc?s evolutionary potential and possibly to its ability to overcome the resistance from breeding pro- gramme-generated cultivars. This is the most comprehensive study on population biology of Foc in Brazil. MenosPanama disease, caused by Fusarium oxysporum f. sp. cubense (Foc), is ranked among the most destructive diseases of banana. The use of resistant varieties is the most desirable and effective control measure. Information on the pathogen population structure is essential, as durability of the resistance and effective cultivar deployment are strongly linked to this structure. In this study, 214 Foc isolates from different banana producing states in three regions of Brazil (north- eastern, southeastern and southern) were analysed. Initially, nine microsatellite markers (SSR) were tested, which revealed 52 distinct haplotypes distributed in the different geographical regions and cultivars. While AMOVA analysis showed that 68 01% of the total variation occurred within states, correlation between genetic and geographical dis- tances was only found in the southern region. Results indicated that isolates from different states comprise a single population, which is predominantly clonal. When isolates representing different haplotypes were inoculated in four banana cultivars, differences in severity were found, with the high severity values being caused by isolates from haplo- types H7, H31 and H41. The diversity found here points to the need for additional studies, as this characteristic may be related to Foc?s evolutionary potential and possibly to its ability to overcome the resistance from breeding pro- gramme-generated cultivars. This is the most comprehensive study on population ... Mostrar Tudo |
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Palavras-Chave: |
Disorders; Plant diseases. |
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Thesagro: |
Doença de planta; Fusarium. |
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Thesaurus Nal: |
Fusarium oxysporum f. sp. cubense. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02343naa a2200289 a 4500
001 1989917
005 2023-05-25
008 2014 bl uuuu u00u1 u #d
022 $a0032-0862
024 7 $a10.1111/ppa.12242$2DOI
100 1 $aCOSTA, S. N.
245 $aGenetic structure of Fusarium oxysporum f. sp. cubense in different regions from Brazil.$h[electronic resource]
260 $c2014
520 $aPanama disease, caused by Fusarium oxysporum f. sp. cubense (Foc), is ranked among the most destructive diseases of banana. The use of resistant varieties is the most desirable and effective control measure. Information on the pathogen population structure is essential, as durability of the resistance and effective cultivar deployment are strongly linked to this structure. In this study, 214 Foc isolates from different banana producing states in three regions of Brazil (north- eastern, southeastern and southern) were analysed. Initially, nine microsatellite markers (SSR) were tested, which revealed 52 distinct haplotypes distributed in the different geographical regions and cultivars. While AMOVA analysis showed that 68 01% of the total variation occurred within states, correlation between genetic and geographical dis- tances was only found in the southern region. Results indicated that isolates from different states comprise a single population, which is predominantly clonal. When isolates representing different haplotypes were inoculated in four banana cultivars, differences in severity were found, with the high severity values being caused by isolates from haplo- types H7, H31 and H41. The diversity found here points to the need for additional studies, as this characteristic may be related to Foc?s evolutionary potential and possibly to its ability to overcome the resistance from breeding pro- gramme-generated cultivars. This is the most comprehensive study on population biology of Foc in Brazil.
650 $aFusarium oxysporum f. sp. cubense
650 $aDoença de planta
650 $aFusarium
653 $aDisorders
653 $aPlant diseases
700 1 $aBRAGANÇA, C. A. D.
700 1 $aRIBEIRO, L. R.
700 1 $aAMORIM, E. P.
700 1 $aOLIVEIRA, S. A. S. de
700 1 $aRODRIGUEZ, M. A. D.
700 1 $aBARBOSA, F. F. L.
700 1 $aHADDAD, F.
773 $tPlant Pathology, 2014.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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