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Phylogenetic Relationships among Seven Old Rose Species Grown in Iran Revealed by ISSR Markers
Zohreh Jabbarzadeh,Morteza Khosh-Khui,Hassan Salehi,Adel Saberivand 한국원예학회 2010 Horticulture, Environment, and Biotechnology Vol.51 No.3
Roses are among the most economically important ornamental crops. Inter-simple sequence repeat (ISSR) markers were used to study phylogenetic relationships among 7 rose species. Among 9 ISSR primers, 6 primers showed acceptable polymorphism and amplified 66 bands of which 50 were polymorphic. Banding patterns were transformed into binary data of presence-absence and matrices were processed using NTSYS pc 2.02 software program. The dendrogram was constructed using Jaccard coefficient and UPGMA algorithm. The 7 rose species were classified into 3 major groups with within-group similarity values of >0.58. Group 1 included R. banksiae; group 2, R. canina, R. chinensis, R. damascena, R. moschata and R. hybrida; and group 3, R. foetida. None of the species used in this study clustered within group 1, indicating that there is no direct relationship between these species. The species that were placed with R. hybrida in group 2 are the ancestors of R. hybrida and because of other species except these four species have contributed to the gene pool of modern garden roses, 59% similarity between these roses in this study was expected. In this phylogenetic tree R. foetida clusters in the lower part of the tree showed 49% similarity with group 2.