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Provedor de dados:  Rev. Ciênc. Agron.
País:  Brazil
Título:  Response of banana genotypes to yellow Sigatoka in coastal tablelands of Sergipe, Brazil
Autores:  Quirino,Zilná Brito de Rezende
Lédo,Ana da Silva
Talamini,Viviane
Oliveira,Lucas Fonseca Menezes
Teixeira,Kelly Cristina dos Santos
Data:  2014-03-01
Ano:  2014
Palavras-chave:  Musa spp.
Banana-Breeding
Plants-Resistance
Resumo:  Brazil has low availability of productive commercial cultivars with appropriate size and resistance to yellow Sigatoka. The objective of this study was to evaluate the behavior of different banana genotypes against yellow Sigatoka at conditions of Coastal Tablelands of Sergipe. The experiment was conducted at the Experimental Field of Embrapa Tabuleiros Costeiros, municipality of Nossa Senhora das Dores. The experimental design was randomized blocks design with 22 genotypes and three replications, six plants per plot. The genotypes tested were: Enxerto-33, Japira-106, FHIA-23, YB42-17, YB42-47, FHIA-18, PA42-44, PA94-01, PV79-34, Pacovan Ken, Pacovan, Prata-Anã, Maravilha, Garantida, Princesa, Tropical, Maçã, Grande Naine, FHIA-02, Caipira, Bucaneiro and Thap Maeo. The severity of yellow Sigatoka was evaluated at 60, 270 and 420 days after planting (DAP) (from July/2009 to July/2010), using a descriptive scale of Stover. Then, the infection rate was calculated at 60, 270 and 420 DAP, and was compared by Scott-Knott test at 5%. It was observed that genotypes have the same behavior at 270 DAP. At 60 DAP, genotypes with lower infection rate were Bucaneiro, Enxerto-33, Japira-106, YB42-17, FHIA-02, FHIA-18, FHIA-23, PA42-44, PA94-01, Caipira, Maçã, Prata-Anã and Thap Maeo. At 420 DAP, the lowest rates were obtained for genotypes YB42-17, FHIA-23, Princesa, YB42-47, Tropical, Grand Naine, Caipira, Maçã, Garantida, Bucaneiro, Pacovan Ken and Thap Maeo.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000100024
Editor:  Universidade Federal do Ceará
Relação:  10.1590/S1806-66902014000100024
Formato:  text/html
Fonte:  Revista Ciência Agronômica v.45 n.1 2014
Direitos:  info:eu-repo/semantics/openAccess
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