QTL analysis for resistance to Soybean dwarf virus in Indonesian soybean cultivar Wilis |
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Authors: | Atsushi Uchibori Jun Sasaki Toru Takeuchi Motokazu Kamiya Akiko Tazawa Tsuyoshi Inukai Chikara Masuta |
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Institution: | (1) Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan;(2) Hokkaido Central Agricultural Experiment Station, Naganuma 069-1395, Japan |
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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.
A. Uchibori and J. Sasaki equally contributed to this work. |
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Keywords: | SbDV Resistance SSR Soybean |
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