Browsing by Author "Ummahan OZ ARIK"

Now showing 1 - 4 of 4
  • No Thumbnail Available
    Item
    MORPHOLOGY AND ANATOMY OF Cardopatium corymbosum (L.) Pers. (ASTERACEAE
    (2019) Ummahan OZ ARIK
    Cardopatium Juss. is a genus of the Asteraceae family and this genus include only one species called Cardopatiumcorymbosum (L.) Pers. There are no studies on the anatomical features of the Cardopatium corymbosum (L.) Pers. Thepurpose of this research is to describe the anatomy and morphology of Cardopatium corymbosum. The plant materials usedin the study were collected from the provinces of Alaşehir (Manisa), Nazilli (Aydın), Ilgın (Konya), Çeşme, Bergama,Güzelbahçe, Urla, Karaburun (İzmir) and Milas (Muğla) between 2016-2017. Morphological data obtained in this studyshowed that there are differences between the findings reported in Flora of Turkey and our results. The best plantmeasurements were obtained from the locality of Alaşehir. Samples of root, stem and leaves of this species were collected,fixed and dyed using appropriate methods. In addition, anatomical measurements of species were made. The anatomicalinvestigations are similar to the members of Asteraceae family. This species is glabrous perennial herb. Florets are blue andhermaphrodite. The leaf of Cardopatium corymbosum is equifacial. Stomata are in abaxial and adaxial surfaces. Vascularbundles are collateral type.
  • No Thumbnail Available
    Item
    Anatomy of Carlina corymbosa L., Carthamus dentatus Vahl. and Picnomon acarna (L.) Cass. (Asteraceae)
    (2021) Ummahan OZ ARIK
    Species of Carlina corymbosa L.,Carthamus dentatus Vahl. and Picnomon acarna (L.) Cass. are belonging to Asteraceae family. The purpose of the study is to determine the anatomical structures of these species in the same tribe and to compare the features. Samples of root, stem and leaf of e-ach species were collected, fixed and examined using a light micros-cope. In addition, some anatomical features were measured. Secondary growth was observed in the root cross section of each species. Secretory ducts were determined in all species. While the pith is filled with xylem elements in C. corymbosa and C .dentatus, the pith of P. acarna consists of different shaped parenchyma cells. Periderm was observed in the stem in all species. All species contain bicollateral vascular bundles in stem. In all species, glandular and non-glandular trichomes were observed on the leaf cross section, on the surface of the adaxial and abaxial epidermis. While C. corymbosa has dorsiventral mesophyll, unifacial mesophyll is observed in other species. There is bicollateral vascular bundle in C. corymbosa whereas collateral vascular bundle was identified in C.dentatus and P.acarna. Also, C. corymbosa and C.dentatus have only one vascular bundle in the midrib but P.acarna has three vascular bundles.
  • No Thumbnail Available
    Item
    The effect of salinity stress on germination parameters in Satureja thymbra L. (Lamiaceae)
    (2022) Ummahan OZ ARIK
    Salinity is an important problem all over the world. The destructive effect of salinity is observed from the seed germination stage. In this study, it was aimed to determine the effect of salinity on seed germination of the medically important Satureja thymbra L., whether pre-treatments are a factor in breaking the salinity stress, and to determine the level of salinity tolerance of this species. In the research, firstly, the seeds were exposed to two pre- treatments (80°C (5 minutes) + 10 ppm $GA_3$ (24 hours), 80°C (5 minutes) + 100 ppm $GA_3$ (24 hours)) and then 8 different NaCl concentrations (0.1 g/l, 1 g/l, 2.5 g/l, 5 g/l, 7.5 g/l,10 g/l, 15 g/l and 30 g/l) were tried. Germination seeds were counted every day and the effects of salinity on germination characteristics were investigated. The highest germination percentage (90%) was obtained at 0.1 g/l NaCl after 80°C (5 min.) + 100 ppm $GA_3$ (24 h.) pre- treatment. The results showed that the effect of salinity was significant on germination parameters in p < 0.05. Obtained results showed that the highest NaCl concentration at which Satureja thymbra seed could germinate was 10g/l.
  • No Thumbnail Available
    Item
    Effect of distance from highway on ''Red Globe'' (Vitis vinifera L.) leaf anatomy and morphology
    (2022) Ummahan OZ ARIK
    One of the most important pollution in the world is air pollution. One of the factors that cause this pollution is vehicles. Heavy metals have a great role in the component of pollution caused by vehicles and they have great negative effects on plant and human health. In this study, it was aimed to determine the effect of distance from the highway on the leaf morphology and anatomy of the economically important Red Globe grape variety. Leaf samples were collected from four different distances (road side, 250 m, 500 m, 4000 m) in three different periods (spring, summer and autumn). As a result of the morphological and anatomical examinations, it was determined that as the negative effect of heavy metal decreased as the distance to the highway increased. As we approached the highway, important features such as leaf length, width, petiole length, midvein length, midvein thickness, leaf area decreased, while petiole thickness increased. Anatomically, as the distance to the highway decreases, it has been revealed as a result of the measurements that there is an increase in the thickness of the lower epidermis and upper epidermis, and a decrease in the thickness of upper collenchyma, lower collenchyma, upper parenchyma, lower parenchyma, length of vascular bundles and vascular bundles number. This study highlights that the highway causes stress on leaf morphology and anatomy and causes changes in some characters.