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  • Küçük Resim
    Öğe
    The Effects of Different Hormones on Regeneration of Gazania (Gazania rigens)
    (Ars Docendi, 2009) Yalcin-Mendi, Yesim; Unek, Ceren; Eldogan, Selay; Aka-Kacar, Yildiz; Serce, Sedat; Curuk, Pembe; Kocaman, Esra
    Recent advances in the modern techniques of propagation could help growers to meet the demand of the ornamental industry. New ornamental plant varieties are being created by breeders in response to consumer demand for new products. In this study, different concentrations of BA (0.0, 0.2, 0.5, 1.0 mg/l) and IAA (0.0, 0.5, 1.0 mg/l) were investigated to optimize regeneration of Gazania rigens. The best callus formation was found from the media containing 0.2 mg/l BA-1.0 mg/l IAA (100%), 0.5 mg/l BA-1.0 mg/l IAA (98%), 0.5 mg/l BA-0.5 mg/l IAA (97%), 1 mg/l BA -1 mg/l IAA (97%), 1.0 mg/l BA-0.5 mg/l IAA (98%). 0.5 mg/l BA (97%). The most promising regeneration and growth were obtained from the media with 0.2 mg/l BA-1.0 mg/l IAA (30%). 1.0 mg/l BA-0.5 mg/l IAA (22%) and 1.0 mg/l BA (18%). The regenerated plantlets were rooted on the media containing 0.5 and 1.0 mg/l IAA. The best rooting percentage was observed on the media containing 1.0 mg/l IAA (75%).
  • Küçük Resim
    Öğe
    Morphological characterization of Cyclamen sp grown naturally in Turkey: Part I
    (Elsevier, 2015) Curuk, Pembe; Sogut, Zerrin; Bozdogan, Elif; Izgu, Tolga; Sevindik, Basar; Tagipur, Ehsan Mohammad; Teixeira da Silva, Jaime A.
    Twenty cyclamen taxa belonging to the Primulaceae originate from the Mediterranean region and grow under trees and bushes. There are 10 cyclamen species growing naturally in Turkey, five of which are endemic. In this study, intact cyclamen plants were collected from nature with their tubers intact Collection took place in spring and autumn in Adana, Osmaniye, Kahramanmaras, Izmir and Eskisehir provinces, 50 samples per location. Sampled plants were propagated and cultivated in Adana. The morphology of four Cyclamen species (C. persicum Mill., C. cilicium Boiss.e.Heldr., C. pseudibericum Hildebr. and C. coum Mill.) was characterized using 1-year-old regenerated plants. A total of 27 phenotypic characters (13 flower, 11 leaf, 2 plant, 1 tuber) were evaluated based on a detailed descriptor's list. In addition to these morphological observations, 13 quantitative traits (7 flower, 5 leaf, 1 tuber) were measured. The measurements related to morphological characteristics had a wide range of variation, including in tuber diameter, leaf length and width, petal length, petal color, and leaf shape, indicating the vast morphological differences among these four cyclamen species. In most cases, the use of principal component analysis confirmed the gfouping of characters into species-specific clusters although one or two clusters could not differentiate species, indicating that morphological and cluster analyses alone are not enough for characterizing this complex Cyclamen germplasm and that molecular techniques may reveal more intricate and useful relationships. (C) 2015 SAAB. Published by Elsevier B.V. All rights reserved.