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1 December 2009 A Preliminary Study on the Genetic Diversity of the Critically Endangered Centaures nivea (Asteraceae)
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Abstract
Centaurea nivea (Asteraceae) is endemic to Turkey and distributed only in the Eskişehir Province. It is under risk of extinction due to anthropogenic disturbance, so conservation strategies must be developed urgently. In this study, RAPD technique was used to estimate the level of genetic diversity of C. nivea. Twenty RAPD primers generated 234 bands, of which 215 were polymorphic (91.88%). A high level of genetic diversity was detected both at population (PPB = 72.90%, I = 0.3790, Hs = 0.2527) and at species level (PPB = 91.88%, I = 0.4510, Ht = 0.2963). A moderate level of genetic differentiation among populations was also revealed by Nei's gene diversity analysis (14.73%), Shannon's information measure (15.96%) and AMOVA (7.97%). Patterns of genetic variation among the populations of C. nivea may indicate that the closely located and fragmented populations of C. nivea were likely derived from a previously large population.
© Finnish Zoological and Botanical Publishing Board 2009
Emel Sözen and Burcu Özaydın "A Preliminary Study on the Genetic Diversity of the Critically Endangered Centaures nivea (Asteraceae)," Annales Botanici Fennici 46(6), (1 December 2009). https://doi.org/10.5735/085.046.0606
Received: 28 July 2008; Accepted: 1 September 2008; Published: 1 December 2009
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