J. Bio. Env. Sci.5(2), 215-221, August 2014
Fennel (Foeniculum vulgare Mill.) is one of the most important medicinal plants. It has a variety of secondary metabolites which are used in treatment of heart, nerves, digestive disorders and particularly alzheimer’s disease. In this research, the genetic diversity of fifteen Iranian populations and four foreign populations of fennel from Germany and Turkey were evaluated in a field experiment based on randomized complete block design with three replications. Nineteen morphological traits and essential oil of fennel were evaluated. Analysis of variance revealed significant differences among populations for all studied traits. The highest values of phenotypic and genetic coefficient of variation were shown by harvest index, grain yield and umbels per plant. The heritability estimates ranged from 30% for length of last internode to 99% for days to germination and to 50% flowering. Cluster analysis was performed based on all the traits and 19 populations were located in two main groups. Second group was detected superior in terms of essential oil, yield and its related traits.
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