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Assessment of genetic diversity among and within Achilla species using amplified fragment length polymorphism (AFLP)

Biochemical Systematics and Ecology 37 (2009) 354–361.

Mehdi Rahimmalek a, Badraldin Ebrahim Sayed Tabatabaei b,*, Ahmad Arzani a, Nematolah Etemadi c.


Amplified fragment length polymorphism (AFLP) markers were used to assess the genetic diversity of 57 Achillea accessions belonging to five species, A. millefolium, A. filipendulina, A. tenuifolia, A. santolina and A. biebersteinii. Nine AFLP primer combinations were used,which produced 301 polymorphic bands. In most species, a high level of genetic variation was detected among the genotypes. The Jaccard’s similarity indices (J), based on AFLP profiles, were subjected to UPGMA cluster analysis. Application of Mantel’s test for cophenetic correlation to the cluster analysis indicated the high fitness of the accessions to a group (r ¼ 0.918). The dendrogram generated revealed five major groups correspondinga group (r ¼ 0.918). The dendrogram generated revealed five major groups corresponding to five species. The principle coordinate analysis (PCoA) data confirmed the results of the clustering. Among the species, A. teunifolia and A. santolina showed the greatest and the least genetic diversity, respectively. A. filipendulina accessions were acquired primarily from the same ecological regions of western Iran. Accessions belonging to A. biebersteinii originated from the Isfahan province and were separated from other species at the root of the dendrogram. The results of the clustering method, based on AFLP markers, corresponded closely with the geographical origins of the genotypes. The results of the present study could contribute to a better understanding and management of conservation and exploitation of the Achillea germplasm.


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