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Identification of quantitative trait loci involved in resistance to Pseudomonas syringae pv. syringae in pea (Pisum sativum L.)

AuthorsFondevilla, Sara ; Martín-Sanz, Alberto; Satovic, Zlatko; Fernández-Romero, María Dolores; Rubiales, Diego ; Caminero, Constantino
KeywordsPseudomonas syringae pv. syringae
Bacterial blight
Genetic map
Issue DateAug-2012
PublisherKluwer Academic Publishers
CitationEuphytica 186(3): 805-812 (2012)
AbstractPseudomonas syringae is the main pathogen responsible for bacterial blight disease in pea and can cause yield losses of 70%. P. syringae pv. pisi is prevalent in most countries but the importance of P. syringae pv. syringae (Psy) is increasing. Several sources of resistance to Psy have been identified but genetics of the resistance is unknown. In this study the inheritance of resistance to Psy was studied in the pea recombinant inbred line population P665 × 'Messire'. Results suggest a polygenic control of the resistance and two quantitative trait loci (QTL) associated with resistance, Psy1 and Psy2, were identified. The QTL explained individually 22.2 and 8.6% of the phenotypic variation, respectively. In addition 21 SSR markers were included in the P665 × 'Messire' map, of which six had not been mapped on the pea genome in previous studies. © 2011 Springer Science+Business Media B.V.
Identifiersdoi: 10.1007/s10681-011-0592-x
issn: 0014-2336
e-issn: 1573-5060
Appears in Collections:(IAS) Artículos
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