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Figs as an important product in recent decades due to biotic and abiotic stresses have been faced to genetically erosion. The aim of this study was to determine the genetic diversity of taxa belonged to Ficus genus using Inter-simple sequence Repeat markers (ISSR). For this purpose, 23 accessions belonging to the fig genus collected from across the Iran country and genomic DNA was extracted from leaves. Out of 18 ISSR primers pairs, six primers pairs selected and PCR process were achieved for them. A total of 83 bands were produced, of which 78 were polymorphic. Using PAUP software, through Neighbor Joining methods, 23 populations of fig were divided in four groups. Among the primers, (AG) 8 C, (TG) 8 A and (GT) 8 C were identified as the most appropriate primers for using in future studies. Based on the results obtained from the analysis of data from ISSR, 23 populations of Ficus were classified into four groups. The results of the analysis of molecular variance (AMOVA) showed that there is no difference between the taxa and the highest genetic distance between populations within species. The results of this study showed that taxa belonging to the Ficus genus in Iran are very closely related phylogentically, and the relationship between reproductive and genetic flow is high.
 

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Phylogenetic relations among 12 wild species of almonds, one cultivated almond and one species of peach were investigated by using of ITS1-5.8S rDNA-ITS2 sequences and trnL region of chloroplast DNA. To do this, maximum-parsimony and neighbor joining analysis adopted. Results of ITS data showed that studied species of Prunus only divided in two groups but incapable to separate different sections. P. tenella showed more diverse genetic distance in compare to other studied species and it seems that this species does not belong to Amygdalus. Also, by using the ITS data it can be reported that Prunus is monophyletic. In this research, the genetic distances for each pair of species were determined and the average genetic distance between species shows only the lowest genetic distance within the genus. Therefore, Prunus is a single genus. Regarding its high similarity of trnL region in wild almond species, it can be reported that maternal ancestor of Prunus is the same and trnL is not optimum marker to separate species of almond.