Seed germination in Kozal (Diplotaenia damavandica Mozaffarian, Hedge and Lamond)
Kozal, Diplotaenia damavandica (Umbelliferae), is an important medicinal plant species endemic in Iran. Distribution of the plant is limited to microhabitats in the south of the Alborz mountains close to the city of Damavand, 75 km east of Tehran. The plant contains highly active components for use in the treatment of skin disorders and for that reason it attracts much interest. Although it has been used as a medicinal plant for a long time, there was no way to germinate its seeds successfully and consequently it was always harvested from natural populations. To investigate the germination requirements of this species, stratification treatments at 1-3°C for 15, 30 or 45 days on top of paper or in sand were applied. Among the stratification treatments, only 45 days was effective in breaking dormancy, and sand appeared to be the better medium for this treatment.
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Document Type: Research Article
Publication date: April 1, 2008
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