Abstract:Resistance to multiple races of Fusarium wilt is considered a critical trait for lettuce (Lactuca sativa L.) cultivars, as it is directly related to grower profitability in Japan. We analyzed F2 individuals obtained from a cross between ‘VI185’ (resistance to race 2) and ‘ShinanoGreen’ (susceptible to race 2), and applied a bioassay to the F3 population using the race 2 pathogen. ddRAD-seq analysis showed that a single semi-dominant locus on LG1 (qFOL1.2) controls resistance, and that the genotype of a RAD-mar… Show more
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