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Articles 1051 - 1080 of 1739
Full-Text Articles in Botany
Comparative Leaf Anatomy Of The Genus Hordeum L. (Poaceae), Dudu Özlem Mavi̇, Musa Doğan, Evren Cabi̇
Comparative Leaf Anatomy Of The Genus Hordeum L. (Poaceae), Dudu Özlem Mavi̇, Musa Doğan, Evren Cabi̇
Turkish Journal of Botany
The genus Hordeum L., one of the most economically important cereal crops in the tribe Triticeae, has a worldwide distribution mainly in temperate and dry regions of the world. In Turkey, Hordeum is represented by 12 taxa, namely Hordeum violaceum Boiss. & Hohen., H. geniculatum All., H. marinum var. marinum, H. marinum Hudson var. pubescent (Guss.) Nevski, H. murinum L. subsp. murinum, H. murinum subsp. glaucum (Steudel) Tzvelev, H. murinum subsp. leporinum (Link) Arc. var. leporinum, H. murinum subsp. leporinum var. simulans Bowden, H. bulbosum L., H. spontaneum K.Koch, H. distichon L., and H. vulgare L. The main objective of …
Changes In Anatomical And Physiological Parameters Of Soybean Under Drought Stress, Serdar Makbul, Nesli̇han Saruhan Güler, Nuran Durmuş, Seher Güven
Changes In Anatomical And Physiological Parameters Of Soybean Under Drought Stress, Serdar Makbul, Nesli̇han Saruhan Güler, Nuran Durmuş, Seher Güven
Turkish Journal of Botany
Anatomical changes in the root, stem, and leaf of soybean (Glycine max (L.) Merr. cv. Nazlıcan) plants under drought stress were studied by light microscope and their significance was evaluated by numerical analysis. Some anatomical features related to parenchymatous cells, diameter of tracheas belonging to the root, stem, and leaf; stomata index; and size and average number of stomata and epidermal cells were found to be important characters varying in soybean plants under stress. These characters were also statistically significant. Leaf water potential (\Psileaf), root:shoot ratio, total chlorophyll content, and stomatal conductance were measured. \Psileaf, total chlorophyll content, and stomatal …
Proteomic Changes During Boron Tolerance In Barley(Hordeum Vulgare) And The Role Of Vacuolar Proton-Translocating Atpase Subunit E, Ahmet Emi̇n Ati̇k, Gönensi̇n Ozan Bozdağ, Ersi̇n Akinci, Alaatti̇n Kaya, Ahmet Koç, Talat Yalçin, Hüseyi̇n Çağlar Karakaya
Proteomic Changes During Boron Tolerance In Barley(Hordeum Vulgare) And The Role Of Vacuolar Proton-Translocating Atpase Subunit E, Ahmet Emi̇n Ati̇k, Gönensi̇n Ozan Bozdağ, Ersi̇n Akinci, Alaatti̇n Kaya, Ahmet Koç, Talat Yalçin, Hüseyi̇n Çağlar Karakaya
Turkish Journal of Botany
Boron is an essential micronutrient for plants and animals; however, it can be toxic when present at high concentrations. The purpose of this study was to understand the mechanisms of boron tolerance in the Turkish barley (Hordeum vulgare) Anadolu cultivar. For this purpose, 2-dimensional electrophoresis (2-DE) was used to screen differentially expressed proteins for both control and boron-stressed Anadolu barley genotypes. Seven proteins were revealed by 2-DE: 1) ribulose 1,5-bisphosphate carboxylase/oxygenase (RuBisCo large chain), 2) TLP5, a thaumatin-like protein, 3) PR5, a basic pathogenesis-related protein, 4) a RNase S-like protein, 5) a PSI type III chlorophyll a/b-binding protein, 6) a …
Ultrastructural Changes In The Root Tip And Leaf Cells Of Lens Culinaris Treated With Fluazifop-P-Butyl, Özlem Aksoy, Feruzan Dane
Ultrastructural Changes In The Root Tip And Leaf Cells Of Lens Culinaris Treated With Fluazifop-P-Butyl, Özlem Aksoy, Feruzan Dane
Turkish Journal of Botany
In this study, ultrastructural changes in root tip cells and leaf cells of lentil plants treated with 4 different concentrations (0.25%, 0.5%, 1%, and 1.5%) of the herbicide fluazifop-p-butyl (FPB) were determined. The experiments were performed with light and transmission electron microscopy (TEM) and the chlorophyll content of the leaves was determined using spectrophotometric methods. The effect of FPB included alterations in cell walls, nuclei, plastids, cuticle, and epidermis. The obtained results indicate that the herbicide FPB has the ability to cause different kinds of abnormalities in various cell organelles, especially the cell walls in root tips. The effect of …
A New Genus, Turanecio, Of The Asteraceae (Tribe Senecioneae), Ergi̇n Hamzaoğlu, Ümi̇t Budak, Ahmet Aksoy
A New Genus, Turanecio, Of The Asteraceae (Tribe Senecioneae), Ergi̇n Hamzaoğlu, Ümi̇t Budak, Ahmet Aksoy
Turkish Journal of Botany
Turanecio Hamzaoğlu, a new genus of the Asteraceae, is described. Ten species are included, previously referred to Senecio L., Cineraria L., or Iranecio B.Nord. This genus belongs to the "Quadridentate Group" of the subtribe Senecioninae, because of the 4-lobed disc florets. The new genus closely resembles Dolichorrhiza (Pojark.) Galushko, but differs by the thickish rhizome, the short-sagittate anther bases, the style branches with papillate lower surface, and in possessing a persistent pappus. Turanecio is centred in Turkey, with species in the Caucasus, Iran, and Iraq.
Clarifying The Ploidy Of Some Accessions In The Usda Alfalfa Germplasm Collection, Muhammet Şaki̇roğlu, Edward Charles Brummer
Clarifying The Ploidy Of Some Accessions In The Usda Alfalfa Germplasm Collection, Muhammet Şaki̇roğlu, Edward Charles Brummer
Turkish Journal of Botany
Cultivated alfalfa was selected from a complex taxonomic group called the Medicago sativa-falcata complex. The complex includes a number of diploid (2n = 2x = 16) and tetraploid (2n = 4x = 32) taxa. Prior information of ploidy is vital for the effective utilisation of genetic resources in alfalfa breeding programs. From the US National Plant Germplasm System, we obtained the seeds of 256 wild accessions thought to be from the 3 diploid subspecies included in the M. sativa-falcata complex, in order to determine their ploidy level using flow cytometry: M. sativa subsp. caerulea, M. sativa subsp. falcata, and M. …
Leaf Anatomy Of Agropyron Gaertn. (Gramineae) In Turkey, Dudu Özlem Mavi̇, Musa Doğan, Evren Cabi̇
Leaf Anatomy Of Agropyron Gaertn. (Gramineae) In Turkey, Dudu Özlem Mavi̇, Musa Doğan, Evren Cabi̇
Turkish Journal of Botany
Agropyron cristatum (L.) Gaertn. is represented by 2 subspecies in Turkey, namely subsp. incanum (Nabelek) Melderis and subsp. pectinatum (M.Bieb.) Tzvelev. This study examines the taxonomic significance of the leaf properties of the taxa of Agropyron Gaertn., comprising diagnostic anatomical features obtained from leaf transverse sections as well as leaf surface micromorphology. Results of the study show that most of the characters, such as the shape of the leaf blades; the size and number of stomata; the density, arrangement, and length of macro hairs; and the presence or absence of midrib and bulliform cells are different in the studied samples …
Studies On The Anatomical Structure Of Stems Of Willow (Salix L.) Species (Salicaceae) Growing In Ankara Province, Turkey, Okan Arihan, Ayşegül Köroğlu
Studies On The Anatomical Structure Of Stems Of Willow (Salix L.) Species (Salicaceae) Growing In Ankara Province, Turkey, Okan Arihan, Ayşegül Köroğlu
Turkish Journal of Botany
This study was conducted on the anatomical structure of the stems of 9 Salix L. (willow) species (9 taxa) growing in Ankara, Turkey. These taxa are S. triandra L. subsp. triandra, S. alba L., S. excelsa J.F.Gmel., S. fragilis L., S. babylonica L., S. caprea L., S. cinerea L., S. pseudomedemii E.Wolf, and S. amplexicaulis Bory & Chaub. Illustrations and photographs were obtained of microscopic views of cross sections from the stems of each taxon. The differing anatomical structures of stems of the Salix species are suitable for use as an additional tool in identification. Our aim was to contribute …
A Comparative Assessment Of Fruit Formation In Some Orchid Species From The Southern Caucasus Region, Houshang Nosrati, Roghieh Hajiboland, Ahmad Razban-Haghighi, Maryam Nikniazi
A Comparative Assessment Of Fruit Formation In Some Orchid Species From The Southern Caucasus Region, Houshang Nosrati, Roghieh Hajiboland, Ahmad Razban-Haghighi, Maryam Nikniazi
Turkish Journal of Botany
The distribution and population size of 5 orchid species (Cephalanthera longifolia, Orchis simia, Platanthera bifolia, Dactylorhiza romana, and Ophrys scolopax) were studied in the southern Caucasus based on the individual numbers in a given area. The fruit set was recorded for the latter 3 species and compared in natural and control groups (pollinators prevented) for D. romana and O. scolopax. We compared the obtained fruit set values with those reported from other regions. The distributions of the 5 species were completely fragmented and the population sizes were extremely small. This is the first report of O. scolopax from the region, …
Check-List Of Additional Taxa To The Supplement Flora Of Turkey V, Fatma Neri̇man Özhatay, Şükran Kültür, Münevver Bahar Gürdal
Check-List Of Additional Taxa To The Supplement Flora Of Turkey V, Fatma Neri̇man Özhatay, Şükran Kültür, Münevver Bahar Gürdal
Turkish Journal of Botany
The fifth check-list of the series entitled "Additional taxa to the Flora of Turkey" comprises a total of 249 taxa based on data given in 167 papers, which have been published up until the end of 2010. It provides details of taxa which have not been recorded either in the 11 volumes of Flora of Turkey and the East Aegean Islands or in the 4 previously published supplementary check-lists.
Pollen Morphology Of Sections Siphonomorpha And Lasiostemones Of The Genus Silene From Turkey, Kemal Yildiz, Mehmet Yaşar Dadandi, Ersi̇n Mi̇nareci̇, Ali̇ Hi̇kmet Çirpici
Pollen Morphology Of Sections Siphonomorpha And Lasiostemones Of The Genus Silene From Turkey, Kemal Yildiz, Mehmet Yaşar Dadandi, Ersi̇n Mi̇nareci̇, Ali̇ Hi̇kmet Çirpici
Turkish Journal of Botany
The pollen morphology of 16 taxa belonging to the sections Siphonomorpha Otth and Lasiostemones Boiss. from the genus Silene L. (Caryophyllaceae) was examined via scanning electron microscopy (SEM). Pollen types among all of the examined taxa were spheroidal; ornamentations were generally microechinate-microperforate (punctate), but perforate in Silene viridiflora L.; structures were mostly tectate but were observed to be semitectate only in S. viridiflora; the highest pore numbers were found in S. fruticosa L. and S. viridiflora; the lowest pore numbers were those of S. gigantea L. subsp. rhodopea (Janka) Greuter and S. marschallii C.A.Mey.; and interpore distance was greatest in …
The Classification And Assessment Of Vegetation For Monitoring Coastal Sand Dune Succession: The Case Of Tuzla In Adana, Turkey, Hali̇l Çakan, Kemal Tulühan Yilmaz, Hakan Alphan, Yüksel Ünlükaplan
The Classification And Assessment Of Vegetation For Monitoring Coastal Sand Dune Succession: The Case Of Tuzla In Adana, Turkey, Hali̇l Çakan, Kemal Tulühan Yilmaz, Hakan Alphan, Yüksel Ünlükaplan
Turkish Journal of Botany
This study aimed to provide an assessment of coastal sand dune vegetation through a number of analyses meant to provide a better understanding of the structure of plant communities and the successional stages of coastal sand dunes in a human-induced coastal landscape, the Seyhan Delta in southern Turkey. Therefore, as a baseline data inventory for monitoring, succession and the community-based classification of sand dune vegetation and human impacts were the major concerns of this study. The zonation of coastal sand dune vegetation was also determined within this scope, providing a contemporary assessment of different successional stages. A total of 96 …
Elymus Sosnowskyi (Hackel) Melderis (Poaceae), A Rare Endemic Species In Turkey, Evren Cabi̇, Musa Doğan, Özlem Mavi̇, Ersi̇n Karabacak, Bi̇rol Başer
Elymus Sosnowskyi (Hackel) Melderis (Poaceae), A Rare Endemic Species In Turkey, Evren Cabi̇, Musa Doğan, Özlem Mavi̇, Ersi̇n Karabacak, Bi̇rol Başer
Turkish Journal of Botany
Elymus sosnowskyi, a rare endemic species known from East Anatolia, Turkey, was first collected by D. Sosnowsky in 1912. After that it has been collected only one other time, by F. Sorger in 1981. During the "Taxonomic revision of tribe Triticeae in Turkey" project, which was supported by TÜBİTAK, E. sosnowskyi was recollected from 3 populations in Oltu and Narman (A8 Erzurum, Turkey) in 2007 and 2008. The present study aimed to provide detailed diagnostic characters of this rare endemic species, including its morphological, anatomical, and palynological features. Moreover, the amended and expanded description, distribution, phenology, and ecology of this …
Anomodon Longifolius (Anomodontaceae, Bryopsida) New To The Bryophyte Flora Of Turkey, Muhammet Ören, Güray Uyar, Tamer Keçeli̇
Anomodon Longifolius (Anomodontaceae, Bryopsida) New To The Bryophyte Flora Of Turkey, Muhammet Ören, Güray Uyar, Tamer Keçeli̇
Turkish Journal of Botany
Anomodon longifolius (Schleich. ex Brid.) Hartm. is reported for the first time from Turkey, bringing the total number of Anomodon species known from Turkey to 6. This record extends its distribution range to the Western Black Sea region of Turkey. The nearest localities to Turkey for this species are in Bulgaria, Greece, the Caucasus, and Iran. This submeridional species was collected from 3 different localities (in Bolu and Bartın provinces) in Turkey. A site description, illustrations, and diagnostic characters of the Turkish specimens are given, together with notes on its distribution and ecology.
Internal Transcribed Spacer (Its) Polymorphism In The Wild Primula (Primulaceae) Taxa Of Turkey, Mutlu Gültepe, Uğur Uzuner, Kami̇l Coşkunçelebi̇, Ali̇ Osman Beldüz, Sali̇h Terzi̇oğlu
Internal Transcribed Spacer (Its) Polymorphism In The Wild Primula (Primulaceae) Taxa Of Turkey, Mutlu Gültepe, Uğur Uzuner, Kami̇l Coşkunçelebi̇, Ali̇ Osman Beldüz, Sali̇h Terzi̇oğlu
Turkish Journal of Botany
Twenty-three populations belonging to 10 wild Primula L. (Primulaceae) taxa of Turkey, some of which are morphologically quite similar, were investigated based on nrDNA ITS regions. The plant materials were collected from different geographical areas of Anatolia in vegetation periods of 2005 and 2006. Total genomic DNAs were isolated from the healthy leaves of each population. The entire ITS regions of the populations were amplified by universal primers with the aid of a polymerase chain reaction (PCR), and then the PCR products were sequenced. Neighbour-Joining (NJ) and Maximum Parsimony (MP) trees were constructed in order to identify the relationships among …
Ovule Ontogenesis And Megagametophyte Development In Onobrychis Schahuensis Bornm. (Fabaceae), Abdolkarim Chehregani, Nayereh Tanomi
Ovule Ontogenesis And Megagametophyte Development In Onobrychis Schahuensis Bornm. (Fabaceae), Abdolkarim Chehregani, Nayereh Tanomi
Turkish Journal of Botany
The ovule ontogenesis and the megasporogenesis events in Onobrychis schahuensis Bornm. were studied with light microscopy. The primordium is tetra-zonate and gives rise to an anatropous ovule. The archesporium may consist of one or more archesporial cells, but only one of them undergoes meiosis, forming a linear shaped tetrad. Normally, only a single megaspore is functional, which is located in the chalazal position, while the others degenerate very soon. The young ovule is hemianatropous but the mature one is anatropous, crassinucellar, and bitegmic; integuments form a zig-zag micropyle. A 7-celled embryo-sac is formed corresponding to the Polygonum type. The present …
Macrofungi Of Hatila Valley National Park (Artvin, Turkey), Kenan Demi̇rel, Ömer Erdem, Yusuf Uzun, Abdullah Kaya
Macrofungi Of Hatila Valley National Park (Artvin, Turkey), Kenan Demi̇rel, Ömer Erdem, Yusuf Uzun, Abdullah Kaya
Turkish Journal of Botany
The taxonomic study of 382 samples collected from Hatila Valley National Park (Artvin, Turkey) revealed 126 taxa of macromycetes, belonging to 34 families and 60 genera. Two of them, Arrhenia acerosa (Fr.) Kühn. (Tricholomataceae) and Entoloma politum (Pers.: Fr.) Donk. (Entolomataceae), are new records for Turkey.
New Lichen Records From Georgia, Tzimi Inashvili, Ketevan Batsatsashvili
New Lichen Records From Georgia, Tzimi Inashvili, Ketevan Batsatsashvili
Turkish Journal of Botany
New records of the following 17 lichen taxa are reported from Georgia: Aspicilia esculenta (Pall.) Flagey, Caloplaca lobulata (Flörke) Hellb., Cladonia caespiticia (Pers.) Flörke, Hypogymnia farinacea Zopf, H. subduplicata (Rass.) Rass., Lecidella stigmatea (Ach.) Hertel & Leuckert, Leptorhaphis lucida Körb., Parmelia saxatilis (L.) Ach. var. divaricata Delise ex Nyl., Parmotrema arnoldii (Du Rietz) Hale, Phaeophyscia hirsuta Mereschk., Physcia biziana (A.Massal.) Zahlbr., Physconia detersa (Nyl.) Poelt, Ramalina obtusata (Arnold) Bitter, Squamarina gypsacea (Sm.) Poelt, Toninia sedifolia (Scop.) Timdal, Umbilicaria cylindrica (L.) Delise ex Duby var. tornata (Ach.) Nyl., and Xanthoparmelia tinctina (Maheu & A.Gillet) Hale. Four of the reported taxa were …
Reseda Globulosa (Resedaceae): A New Record For The Flora Of Turkey, Zeki̇ Aytaç, Hayri̇ Duman
Reseda Globulosa (Resedaceae): A New Record For The Flora Of Turkey, Zeki̇ Aytaç, Hayri̇ Duman
Turkish Journal of Botany
Reseda globulosa Fisch. & C.A.Mey. (Resedaceae) is reported as a new record for Turkish flora. It was identified using the collected specimens and Flora Palaestina. The description, illustration, and distribution of the species are given.
Morphological, Karyological And Phylogenetic Evaluation Of Cyclotrichium: A Piece In The Tribe Mentheae Puzzle, Tuncay Di̇rmenci̇, Ekrem Dündar, Görkem Deni̇z, Turan Arabaci, Esra Marti̇n, Zi̇ba Jamzad
Morphological, Karyological And Phylogenetic Evaluation Of Cyclotrichium: A Piece In The Tribe Mentheae Puzzle, Tuncay Di̇rmenci̇, Ekrem Dündar, Görkem Deni̇z, Turan Arabaci, Esra Marti̇n, Zi̇ba Jamzad
Turkish Journal of Botany
The genus Cyclotrichium, a member of the tribe Mentheae subtribe Menthinae (Lamiaceae, Nepetoideae), was analysed with respect to morphological revision, phylogenetic analysis, and cytogenetic properties. All species of the genus were investigated for morphological characters and ITS (internal transcribed spacers) of nrDNA sequence comparison (except C. hausknechtii for ITS). Six members of the genus were also analysed for chromosome numbers. The combined results strongly suggested that Cyclotrichium is a separate genus in Nepetoideae with distinct morphological, phylogenetic, and cytogenetic characteristics. For intrageneric phylogeny of Cyclotrichium, 3 groups were recognised: 1. C. niveum; 2. C. origanifolium; and 3. the remaining 6 …
Phylogenetic Relationships Of Some Turkish Crocus (Iridaceae) Taxa Based On Morphological And Anatomical Characters, Fati̇h Coşkun, Selami̇ Selvi̇, Fati̇h Satil
Phylogenetic Relationships Of Some Turkish Crocus (Iridaceae) Taxa Based On Morphological And Anatomical Characters, Fati̇h Coşkun, Selami̇ Selvi̇, Fati̇h Satil
Turkish Journal of Botany
In this study, relationships among the 15 taxa of the genus Crocus L. distributed in Turkey were analysed using 29 morphological and 4 anatomical characters. Analysis of the data set utilising maximum parsimony criterion with Branch-and-Bound search algorithm yielded 32 most parsimonious trees. Bootstrap analysis with the majority rule consensus algorithm generated a consensus tree supporting some branches. Our data mostly did not agree with the previous sectional and serial treatments. The most interesting result was the condition of Crocus pallasii, which was previously included in the section Crocus. C. pallasii showed a sister group relationship with C. cancellatus from …
Impact Of Soil Drought Stress On Photochemical Efficiency Of Photosystem Ii And Antioxidant Enzyme Activities Of Phaseolus Vulgaris Cultivars, Rabi̇ye Terzi̇, Aykut Sağlam, Ni̇hal Kutlu, Hati̇ce Nar, Asim Kadioğlu
Impact Of Soil Drought Stress On Photochemical Efficiency Of Photosystem Ii And Antioxidant Enzyme Activities Of Phaseolus Vulgaris Cultivars, Rabi̇ye Terzi̇, Aykut Sağlam, Ni̇hal Kutlu, Hati̇ce Nar, Asim Kadioğlu
Turkish Journal of Botany
Common bean (Phaseolus vulgaris L.) cultivars (cvs) (Göynük 98, Karacaşehir 90, Şehirali 90, ES 855, and Yunus 90) were subjected to drought stress in order to assess the levels of drought tolerance through the analysis of growth parameters, leaf water potential (\psi_{leaf}), stomatal conductance (g_s), chlorophyll (chl) content, and lipid peroxidation. Significant differences were recorded among cultivars in most traits. Yunus 90 was identified as the most tolerant, and Karacaşehir 90 was the most sensitive. Furthermore, the changes in antioxidant enzyme activities, H_2O_2 content, and Photosystem II were investigated under drought stress, where Antioxidant enzyme activities increased while H_2O_2 contents …
High Frequency Plant Production Via Shoot Organogenesis And Somatic Embryogenesis From Callus In Tylophora Indica, An Endangered Plant Species, Aastha Sahai, Anwar Shahzad, Mohammad Anis
High Frequency Plant Production Via Shoot Organogenesis And Somatic Embryogenesis From Callus In Tylophora Indica, An Endangered Plant Species, Aastha Sahai, Anwar Shahzad, Mohammad Anis
Turkish Journal of Botany
An efficient and reproducible protocol has been developed for the in vitro production of an endangered medicinal climber Tylophora indica (Burm.f.) Merr. via leaf explants. Different types of calli produced on benzyladenine (BA) and thidiazuron (TDZ) supplemented Murashige and Skoog (MS) basal medium were selected for shoot induction and somatic embryogenesis studies. Calli when transferred from BA (5 µM) and TDZ (2.5 µM) to MS medium containing BA (5 µM) resulted in high frequency shoot induction (26.8 ± 0.97 shoots/culture) along with somatic embryogenesis (10.20 ± 0.37 embryoids/culture) up to 3 subculture passages. Embryoids transformed into complete plantlets when transferred …
Enhanced Adventitious Shoot Regeneration From Aerial Stem Explants Of Ginger Using Tdz And Its Histological Studies, Adinkudikuyyal Lincy, Bhaskaran Sasikumar
Enhanced Adventitious Shoot Regeneration From Aerial Stem Explants Of Ginger Using Tdz And Its Histological Studies, Adinkudikuyyal Lincy, Bhaskaran Sasikumar
Turkish Journal of Botany
A protocol for direct plantlet regeneration from aerial stem explants of ginger (Zingiber officinale Rosc.) has been developed. Adventitious shoots and roots were regenerated from in planta aerial stem explants of 2 ginger varieties viz. var. 'Jamaica' and var. 'Varada'. Maximum shoot and root regeneration were observed in the cultures containing TDZ and IBA (1:1; 1:0.1 mg L-1) in both varieties. Cultures containing TDZ alone showed poor shoot and root formation. Histological studies revealed that the shoot initials originated from the primary thickening meristem and apical meristem, while the root primordial originated from the primary thickening meristem present in the …
The Genotoxic Potential Of Two Heavy Metals In Inbred Lines Of Maize (Zea Mays L.), Girjesh Kumar, Prashant Kumar Rai
The Genotoxic Potential Of Two Heavy Metals In Inbred Lines Of Maize (Zea Mays L.), Girjesh Kumar, Prashant Kumar Rai
Turkish Journal of Botany
The genotoxic effects of 2 heavy metals (mercury chloride and cadmium chloride) on the gametic cells of 6 inbred lines of maize were tested in terms of cytological abnormalities. Meiosis was normal under control conditions. During the treatments with mercury and cadmium there was a concentration-dependent increase in meiotic abnormalities in all the inbred lines. A wide spectrum of chromosomal aberrations in the treated sets was stickiness, followed by laggards, bridges, scattering, precocious movement, fragments, etc. Maximum chromosomal anomalies were observed in inbred line CM-142 in both the treatment sets of heavy metals. Compared to CdCl_2, HgCl_2 induced more chromosomal …
A New Record For The Flora Of Turkey: Scorzonera Ketzkhovelii Grossh. (Asteraceae), Ergi̇n Hamzaoğlu, Ahmet Aksoy, Esra Marti̇n, Münevver Pinar, Hati̇ce Çölgeçen
A New Record For The Flora Of Turkey: Scorzonera Ketzkhovelii Grossh. (Asteraceae), Ergi̇n Hamzaoğlu, Ahmet Aksoy, Esra Marti̇n, Münevver Pinar, Hati̇ce Çölgeçen
Turkish Journal of Botany
Scorzonera ketzkhovelii Grossh. (Asteraceae) was recently collected from Yusufeli, Artvin (north-east Anatolia) and it has been reported as a new species record for the flora of Turkey. It is described and illustrated. In addition, its karyological features and pollen morphology are given.
Using Vegetation Units As Salinity Predictors In The Lower Cheliff Algeria, Adda Ababou, Mohammed Chouieb, Mohammed Khader, Khalladi Mederbal, Djamel Saidi
Using Vegetation Units As Salinity Predictors In The Lower Cheliff Algeria, Adda Ababou, Mohammed Chouieb, Mohammed Khader, Khalladi Mederbal, Djamel Saidi
Turkish Journal of Botany
The Lower Cheliff plain is among the largest salted soils in north-western Algeria. In order to establish the relationships between the main soil factors and plant species in this stressed ecosystem, 133 relevés related to soil and vegetation were realized. Soil variables measured included electrical conductivity and calcium carbonate. The 133 relevés were arranged in clusters using k-means classification. The similarity analysis used to examine the variation in vegetation assemblage structure showed significant differences in taxonomical composition among groups of relevés. The phi coefficient of fidelity used then to extract the different vegetation units and to measure species concentration in …
A New Subspecies Of Stachys Cretica (Section Eriostomum, Lamiaceae) From Turkey, Ekrem Akçi̇çek
A New Subspecies Of Stachys Cretica (Section Eriostomum, Lamiaceae) From Turkey, Ekrem Akçi̇çek
Turkish Journal of Botany
Stachys cretica L. subsp. kutahyensis Akçiçek subsp. nova is described as a new subspecies from West Anatolia, Turkey. It is related to Stachys cretica L. subsp. vacillans Rech. f. and Stachys cretica L. subsp. anatolica Rech. f., from which it differs in stem, leaf, and flower characters. Diagnostic characters, description, detailed illustrations, and taxonomic comments of the new subspecies are given. The geographical distribution of the subspecies is mapped. IUCN threat category and observations on the population are noted.
A Taxonomic Revision Of Salvia Euphratica Sensu Lato And Its Closely Related Species (Sect. Hymenosphace, Lamiaceae) Using Multivariate Analysis, Ahmet Kahraman, Ferhat Celep, Musa Doğan, Safi Bagherpour
A Taxonomic Revision Of Salvia Euphratica Sensu Lato And Its Closely Related Species (Sect. Hymenosphace, Lamiaceae) Using Multivariate Analysis, Ahmet Kahraman, Ferhat Celep, Musa Doğan, Safi Bagherpour
Turkish Journal of Botany
As an initial part of a revisional study based on the genus Salvia L. (Lamiaceae), extensive field studies, herbarium and literature surveys, and multivariate analysis have been conducted on the basis of the Salvia euphratica sensu lato (S. cerino-pruinosa, S. euphratica, S. leiocalycina, and S. pseudeuphratica) and its closely related species (S. kronenburgii and S. sericeo-tomentosa) in order to understand their taxonomic status. For the multivariate analysis, 35 OTUs (Operational Taxonomic Units) representing 24 populations of the species were investigated and scored on the basis of 25 character states by means of MVSP software. Principle coordinate analysis (PCO) utilizing the …
A New Species Of Onosma (Boraginaceae) From Eastern Turkey, Ali̇ Kandemi̇r, Zafer Türkmen
A New Species Of Onosma (Boraginaceae) From Eastern Turkey, Ali̇ Kandemi̇r, Zafer Türkmen
Turkish Journal of Botany
Onosma beyazoglui Kandemir & Z. Türkmen sp. nov. (Boraginaceae) is described as a new species from the province of Erzincan in Turkey. Diagnostic morphological characters of this new species from the related species are discussed.