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To know the phylogenetic relationship between the resistant accession and cultivated tomato (S. lycopersicum) is very important. The more related these species are, the easier they are to cross for making large mapping populations. In the paper of Marcela Viquez-Zamora (BMC Genomics201314:354) the phylogenetic relations between different wild relatives of tomato have been calculated. See figure below.
Questions phylogeny
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