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    Cultural possibilities of some economically important geophytes under semi-arid ecological conditions of the south-east Anatolia, Turkey
    (Gaurav Soc Agricultural Research Information Centre-Aric, 2009) Kizil, Sueleyman; Pala, Firat; Ozguven, Mensure; Khawar, K. Mahmood
    Turkey, hosts a variety of around 11000 plant species including indigenous bulbous plants of importance. There is lack of scientific research regarding their unique pharmacological compounds and cultivation techniques. Flower industry as cut flowers, indoor, outdoor and garden plants is becoming more important in modern-day Turkey. There is need to develop techniques for multiplication of flowering geophythes by encouraging scientific research and protecting them from extinction by introduction into new areas. The study reports cultivation possibilities of some important Turkish bulbous plants, Sternbergia clusiana, Fritillaria imperialis, F. Persica, Crocus sativus, Amaryllis sp., Galanthus woronovii, Hyacinthus orientalis, Iris sp., Narcissus tazetta, N. pseudonarcissus and Tulipa sp. widely exported abroad under and conditions of Diyarbakyr, south-eastern Anatolian Turkey. Analysis of results for various growth parameters showed that all of these plant species could be successfully cultivated and grown under and conditions profitably with good economic outturn.
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    Full Blooming Stage is Suitable for Herbage Yield and Essential Oil Content of Summer Savory (Satureja hortensis L.)
    (Taylor & Francis Ltd, 2009) Kizil, Sueleyman; Turk, Murat; Ozguven, Mensure; Khawar, Khalid M.
    The study reports determination of appropriate-development stage, its effects on herbage yield and essential oil content compositions of summer savory (Satureja hortensis L). The essential oil of summer savory was isolated by steam distillation and analysed by GC-MS. The results indicated that the highest dry leaf yield, fresh and dry herbage yield were obtained at post and full blooming stage. However, the highest essential oil content of 2.6% was obtained at full blooming stage. Major essential oil components of summer savory were determined as thymol, gamma-terpinene, carvacrol and cymol in ratio of 47.9, 19.6, 14.7 and 9.7%, respectively. Thymol percentage increased at post harvest stage, in contrast to gamma-terpinene. The results suggest that to achieve maximum oil yield for profitable income harvest should be done at full blooming stage.
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    Microelement Contents and Fatty Acid Compositions of some Isatis Species Seeds
    (Univ Agr Sci & Veterinary Med Cluj-Napoca, 2009) Kizil, Sueleyman; Turk, Murat; Cakmak, Oezlem; Ozguven, Mensure; Khawar, Khalid Mahmood
    Isatis species are important biennial, herbaceous shrubs represented by 40 taxa, of which 24 are endemic to Turkey. The chemical compounds found in leaves and roots of all Isatis species have medicinal properties and arc used for treatment of a wide range of disorders. No study reports seed characteristics, microelement contents and fatty acid compositions of the seeds of any Isatis species except I. tinctoria. Therefore the study was carried out to find seed fatty oil, fatty acid compositions protein content, characteristics, and microelement contents of I. aucheri, I. cochlearis, I. constricta, I. demiriziana (endemic), I glauca and I. lusitanica. The results showed fatty oil and protein content of these species in range of 2 to 10% and 16.07 to 25.17%, respectively. Furthermore, these seeds were rich in microelements Al, Ca, Fe, K, Mg, Na and P. Major fatty oil components of these species were determined as erucic, oleic, linoleic and linolenic acid; such that erucic acid content of these species ranged 16.94 to 30.52%.