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Reference Report for RGB20111103.2
Title:QTL analysis for resistance to Soybean dwarf virus in Indonesian soybean cultivar Wilis
Authors:Uchibori, A., Sasaki, J., Takeuchi, T., Kamiya, M., Tazawa, A., Inukai, T., Masuta, C.
Source:Mol. Breed. 2009, 23(2):323-328
Abstract:Soybean dwarf virus (SbDV), a member of the Luteoviridae family, causes serious yield losses in soybean production in northern Japan. We previously found that an Indonesian soybean cv. Wilis had a high level of resistance to SbDV. Although Wilis is infected by SbDV, symptoms are always mild and develop considerably later compared with many susceptible cultivars. To identify the resistance gene(s) to SbDV in Wilis in a quantitative trait loci (QTL) analysis, we used 71 recombinant inbred lines derived from a cross between Wilis and the susceptible Japanese cv. Toyokomachi and a set of published simple sequence repeat (SSR) markers. The SbDV resistance in Wilis was mainly controlled by a single QTL located near the SSR marker Sat_271 on the linkage group A1. This QTL accounted for 79% of the phenotypic variance.






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