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Identification of QTL for Striga hermonthica Resistance Using Backcross Population Derived from a Cross between Oryza sativa (cv. Nipponbare) and O. rufipogon

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dc.contributor.author Evans Atuti Atera, John Collins Onyango, Pham Thien Thanh, Takashige Ishii, Kazuyuki Itoh
dc.date.accessioned 2020-08-12T11:00:14Z
dc.date.available 2020-08-12T11:00:14Z
dc.date.issued 2015-02-01
dc.identifier.citation 2 en_US
dc.identifier.issn 1916-9752
dc.identifier.issn 1916-976
dc.identifier.uri https://repository.maseno.ac.ke/handle/123456789/2050
dc.description.abstract The obligate root hemiparasite, Striga hermonthica (Del.) Benth., native to sub-Saharan Africa causes serious economic constraint to cereal production. Studies on Striga spp. interactions with rice are desirable as it is a model monocot with high density molecular linkage maps. In this study, quantitative trait locus (QTL) analysis for S. hermonthica resistance was carried out using 141 backcross recombinant inbreed lines (BRILs) derived from a cross between Oryza sativa (cv. Nipponbare) and O. rufipogon W630. The population was grown in the field at Lake Basin Development Authority, Alupe farm in 2013 and infected with S. hermonthica from Alupe, Kenya. Putative QTL for S. hermonthica resistance was assumed using single-point analysis (qGene program) at p < 0.01 significance level. As a result, a single QTL explaining 6.6% of total phenotypic variance was detected near RM242 marker locus on chromosome 9, and the Nipponbare allele was found to have S. hermonthica resistance. The QTL chromosomal region can also be further studied to promote better understanding on the nature of resistance. en_US
dc.publisher Canadian Center of Science and Education en_US
dc.subject quantitative trait loci (QTLs), rice, Striga hermonthica, resistance en_US
dc.title Identification of QTL for Striga hermonthica Resistance Using Backcross Population Derived from a Cross between Oryza sativa (cv. Nipponbare) and O. rufipogon en_US
dc.type Article en_US


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