Abstract
The main goal in this study is to reveal genotypic diversity of R. damascena taking advantage of the morphological, phenological and ecological features and to determine economically usage areas of the species after the genotypes are identified. According to the results of the studies it has been determined that there are about 20 cultural forms belong to this species. Systematically three varieties (R. damascena Mill. var. trigintipetala Dieck, R. damascena Mill. var. semperflorens (Loisel. et Michel ) Rowley, R. damascena Mill. var. versicolor West. ) identified in Turkey. Their definitions and diagnosis keys are given in the paper. The taxa are new records for the flora of Turkey. Genotypes belong to var. trigintipetala are usually grown for the production of industrial oil. Since it’s indicated in this varieties systematic definition that this variety has no glandular hairs on its pedicels, systematic problems become a current issue. It is determined that some genotypes of var. semperflorens also grown for oil production in Isparta’s rose gardens. It’s flowers are used for landscaping and household needs such as food and cosmetic through the country. Var. versicolor’s production aim is mainly for landscaping. The mentioned taxa are the local, redolent and old garden roses of Turkey. Reasons of variations and the ancestors of genotypes are unknown so that definitions and classifications of the genotypes will be made later. The rooting performance of cuttings, the success of adaptation, flower analysis and genotypes vary depending on the habitat and maintenance conditions
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