PJB-2019-719
KARYOLOGICAL STUDIES OF FIVE ARABIS L. (BRASSICACEAE) SPECIES ENDEMIC TO TURKEY
EMRAH ŞİRİN
Abstract
In this study, the karyomorphology of five endemic Arabis taxa (Ar. alanyensis H. Duman, Ar. androsacea Fenzl, Ar. aubrietioides Boiss., Ar. davisii H. Duman & A. Duran and Ar. deflexa Boiss.) was examined. The number of chromosomes all species was determined for the first time. As a result of the karyomorphological studies, the number of chromosomes was determined to be ×=8 for all species. A. androsacea and A. aubrietioides are tetraploid whereas other species are diploid. Considering the asymmetry indices, we can conclude that all taxa have symmetrical karyotypes. The most common karyotype formulas are 32m and 14m + 2sm, respectively. A. davisii (on the second chromosome) and A. deflexa (on the third chromosome) are distinguished from others by having a satellite.
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