Scientific Publication

Novel QTLs in an interspecific backcross Oryza sativa x Oryza glaberrima for resistance to iron toxicity in rice

author(s) Lorieux, M.. - Martinez, C.. - Bertin, P.. - Draye, X.. - Dufey, I.. - Lutts, S.
from UK Foreign, Commonwealth & Development Office (FCDO)
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Dufey, I.; Draye, X.; Lutts, S.; Lorieux, M.; Martinez, C.; Bertin, P. Novel QTLs in an interspecific backcross Oryza sativa × Oryza glaberrima for resistance to iron toxicity in rice. Euphytica (2015) 204 (3) 609-625. (DOI: 10.1007/s10681-014-1342-7)

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Abstract

Iron (Fe) toxicity is a major constraint in lowland rice. Because of its higher rusticity and adaptability to adverse soil conditions, the African rice Oryza glaberrima constitutes a new potential source of genes for rice improvement. This study aimed at mapping quantitative trait loci (QTLs) for resistance to Fe toxicity. A set of 220 BC3DH lines derived from the backcross O. sativa (Caiapo)/O. glaberrima (MG12)//O. sativa (Caiapo) was tested in hydroponics in the presence or absence of Fe2+ (0 or 250 mg L−1)

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