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Identification of QTLs for powdery mildew and scald resistance in barley

AutorShtaya, M. J. Y.; Marcel, T. C.; Sillero, Josefina C.; Niks, Rients E.; Rubiales, Diego
Palabras claveBarley
Blumeria graminis f.sp. hordei
Partial resistance
QTL mapping
Rhynchosporium secalis
Fecha de publicaciónoct-2006
EditorSpringer Nature
CitaciónEuphytica 151(3): 421-429 (2006)
ResumenA population of 103 recombinant inbred lines (RILs, F9-derived lines) developed from the two-row spring barley cross L94 × ‘Vada’ was evaluated under field conditions for resistance against powdery mildew (Blumeria graminis f.sp. hordei) and scald (Rhynchosporium secalis). Apart from the major resistance gene mlo on chromosome 4 (4H), three QTLs (Rbgq1, Rbgq2 and Rbgq3) for resistance against powdery mildew were detected on chromosomes 2 (2H), 3 (3H), and 7 (5H), respectively. Rbgq1 and Rbgq2 have not been reported before, and did not map to a chromosome region where a major gene for powdery mildew had been reported. Four QTLs (Rrsq1, Rrsq2, Rrsq3 and Rrsq4) for resistance against scald were detected on chromosomes 3 (3H), 4 (4H) and 6 (6H). All four mapped to places where QTLs for scald resistance had been reported before in different populations.
Versión del editorhttps://doi.org/10.1007/s10681-006-9172-x
URIhttp://hdl.handle.net/10261/160363
DOI10.1007/s10681-006-9172-x
ISSN0014-2336
E-ISSN1573-5060
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