One hundred and forty-four F2 individuals from a cross combination between 1047(susceptible)and A21(resistant)were analyzed for the presence of random amplified polymorphic DNA(RAPD)markers linked to Turnip mosaic virus(TuMV)resistant gene in cabbage by using bulked segregant analysis(BSA).Two polymorphic markers were screened out of 200 random primers.These two RAPD fragments were linked to the resistant gene at 7.7 cM and 8.38 cM respectively and converted to SCAR markers successfully.
Most important agricultural traits of crops are controlled by many genes. These traits have complicated genetic basis and are difficult for genetic analysis. Due to application of molecular marker techniques in the last two decades, genetic and molecular dissection of quantitative traits has become possible. In this paper, recent progress on mapping of quantitative trait loci in crops was reviewed.
