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Articles 1 - 30 of 59
Full-Text Articles in Life Sciences
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.
Species Composition And Diversity Of Epipelic Algae In Balık Lake (Şavşat-Artvin, Turkey), Bülent Şahi̇n, Bülent Akar, İmran Bahçeci̇
Species Composition And Diversity Of Epipelic Algae In Balık Lake (Şavşat-Artvin, Turkey), Bülent Şahi̇n, Bülent Akar, İmran Bahçeci̇
Turkish Journal of Botany
The species composition and diversity of the epipelic algae of Balık Lake were investigated between May and October 2008. A total of 39 taxa were determined, and Cyclotella meneghiniana, Craticula cuspidata, Closterium strigosum, Cocconeis placentula var. euglypta, and Amphora ovalis were the most conspicuous algae, regarding frequency of occurrence and relative abundance in the epipelic algal flora. While the highest total cell number of the epipelic community was 26,214 cells/cm^2 in October, the lowest was 23,644 cells/cm^2 in July. The highest species diversity index (H^{'}) value was 2.26, in June.
The Effects Of Gibberellic Acid And Kinetin On Overcoming The Effects Of Juglone Stress On Seed Germination And Seedling Growth, İrfan Terzi̇, İsmai̇l Kocaçalişkan
The Effects Of Gibberellic Acid And Kinetin On Overcoming The Effects Of Juglone Stress On Seed Germination And Seedling Growth, İrfan Terzi̇, İsmai̇l Kocaçalişkan
Turkish Journal of Botany
Juglone (5-hydroxy-1,4-naphthoquinone) is an allelochemical responsible for walnut allelopathy. The effects of gibberellic acid (GA_{3}) and kinetin (KIN) on overcoming the effects of juglone stress on seed germination and seedling growth were investigated in barley, wheat, cucumber, alfalfa, and tomato. Seeds pre-treated with plant growth regulators were used to test their effects on the alleviation of juglone stress. It was observed that seed germination in tomato and wheat was inhibited by juglone and that the plant growth regulators alleviated it significantly. Elongation and dry weight of the seedlings of all the species used in the study were reduced significantly by …
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 …
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 …
Phylogenetic Relationships Of Elymus L. And Related Genera (Poaceae) Based On The Nuclear Ribosomal Internal Transcribed Spacer Sequences, Ayten Di̇zkirici, Zeki̇ Kaya, Evren Cabi̇, Musa Doğan
Phylogenetic Relationships Of Elymus L. And Related Genera (Poaceae) Based On The Nuclear Ribosomal Internal Transcribed Spacer Sequences, Ayten Di̇zkirici, Zeki̇ Kaya, Evren Cabi̇, Musa Doğan
Turkish Journal of Botany
To help in the clarification of the taxonomic status of Elymus L. and related genera Agropyron Gaertn., Leymus Hochst., Hordelymus (Jess.) Harz, and Brachypodium P.Beauv., the sequence diversity in the internal transcribed spacer (ITS) region of nuclear ribosomal DNA was studied. ITS data of 64 Triticeae accessions including 40 Elymus, 12 Agropyron, 7 Leymus, and 4 Hordelymus, and 1 Brachypodium as an out-group were analysed. The molecular diversity statistics indicated that the most diverse genus is Elymus among the studied genera. The constructed phylogenetic tree by the maximum parsimony method revealed that one specimen of Elymus, E. pycnanthus (Godr.) Melderis, …
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 …
Lophanthus (Lamiaceae) In Turkey: A New Generic Record And A New Species, Tuncay Di̇rmenci̇, Bayram Yildiz, Ian C. Hedge, Mehmet Firat
Lophanthus (Lamiaceae) In Turkey: A New Generic Record And A New Species, Tuncay Di̇rmenci̇, Bayram Yildiz, Ian C. Hedge, Mehmet Firat
Turkish Journal of Botany
The genus Lophanthus Adans. is recorded for the first time from Turkey. Specimens collected from Van province, east Anatolia, are described here as the new species Lophanthus turcicus Dirmenci, Yıldız & Hedge. Diagnostic characteristics that distinguish it from allied species are presented; a description, distribution map, and taxonomic comments are given.
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 …
Seed Morphology Of Ebenus L. Species Endemic To Turkey, Fatma Bayrakdar, Zeki̇ Aytaç, Zeki̇ye Suludere, Selami̇ Candan
Seed Morphology Of Ebenus L. Species Endemic To Turkey, Fatma Bayrakdar, Zeki̇ Aytaç, Zeki̇ye Suludere, Selami̇ Candan
Turkish Journal of Botany
In the present study, seed surface morphology of species of the genus Ebenus L. in Turkey, all of which are endemic, was studied. E. plumosa var. speciosa has the biggest and E. laguroides var. laguroides has the smallest seeds. The seed shapes are spheroid in E. reesei, orbiculate in E. pisidica, and oblong-spheroid in others. Ornamentation is striate in E. macrophylla, rugose in E. haussknechtii, and reticulate or multi-reticulate in others. Microphylle is subterminal in all Turkish Ebenus species.
An Account On The Floral Dimorphism And Ecology Of The Genus Moltkiopsis I.M.Johnst. (Boraginaceae) In Saudi Arabia, Turki Alturki, Jacob Thomas
An Account On The Floral Dimorphism And Ecology Of The Genus Moltkiopsis I.M.Johnst. (Boraginaceae) In Saudi Arabia, Turki Alturki, Jacob Thomas
Turkish Journal of Botany
A brief account on the morphology and ecology of the monotypic genus Moltkiopsis I.M.Johnst. (Boraginaceae) is given. An overview of the genus with notes on heterostyly, communities, soil, regeneration, vernacular names, etc. is presented. Variations present in some of the populations of Moltkiopsis ciliata (Forssk.) I.M.Johnst., particularly in the floral parts, are also explained in detail.
A Contribution To The Genus Allium L. (Sect. Codonoprasum) In Turkey, Mi̇ne Koçyi̇ği̇t, Fatma Neri̇man Özhatay
A Contribution To The Genus Allium L. (Sect. Codonoprasum) In Turkey, Mi̇ne Koçyi̇ği̇t, Fatma Neri̇man Özhatay
Turkish Journal of Botany
Allium dentiferum Webb & Berthel and Allium dodecanesii Karavokyrou & Tzanoudak were collected during a floristic study of South Anatolia. A. dodecanesii is reported as a new record for the flora of Turkey. Although collected earlier by Aznavour, Bothmer, and Brullo, specimens of A. dentiferum were misinterpreted and the species was thus not recorded for the flora of Turkey. We provide drawings and photographs of the species, and maps of their distribution in Turkey.
Pollen Morphology Of The Genus Fritillaria L. (Liliaceae) In Turkey, Mehtap Tekşen, Zeki̇ Aytaç, Nur Münevver Pinar
Pollen Morphology Of The Genus Fritillaria L. (Liliaceae) In Turkey, Mehtap Tekşen, Zeki̇ Aytaç, Nur Münevver Pinar
Turkish Journal of Botany
Pollen grains of 39 taxa of the genus Fritillaria L. in Turkey were examined by light and scanning electron microscopy. Detailed pollen morphological characteristics are given for these taxa. Our investigation shows that the sculpturing of the exine provides valuable characters for separating species. In particular, sculpturing of the exine at the proximal face turned out to be taxonomically important. Six types of ornamentation were determined: reticulate, reticulate-perforate, suprareticulate, rugulate-reticulate, psilate-perforate, and perforate. On the basis of exine sculpturing, the sulcus membrane, and the apex sulcus, 5 main pollen types are recognised.
Karyology Of Ten Turkish Trigonella L. (Leguminosae) Species From Section Cylindricae Boiss., Esra Marti̇n, Hasan Akan, Murat Eki̇ci̇, Zeki̇ Aytaç
Karyology Of Ten Turkish Trigonella L. (Leguminosae) Species From Section Cylindricae Boiss., Esra Marti̇n, Hasan Akan, Murat Eki̇ci̇, Zeki̇ Aytaç
Turkish Journal of Botany
This study describes the karyotypes of 10 Turkish species of Trigonella L. belonging to section Cylindricae Boiss. (Leguminosae). Excluding the karyotypes of T. velutina Boiss. and of T. sibthorpii Boiss., which were previously studied, all of the other 8 species were studied here for the first time. The species of the section were gathered from different localities in Turkey, and it was determined that the somatic chromosome numbers for all species were the same (2n = 16). Also, satellite metaphase chromosomes were determined in T. velutina and T. strangulata.
A New Species Of Echinops (Asteraceae) From Turkey, Cem Vural, Mustafa Kemal Bi̇ter, Mehmet Yaşar Dadandi
A New Species Of Echinops (Asteraceae) From Turkey, Cem Vural, Mustafa Kemal Bi̇ter, Mehmet Yaşar Dadandi
Turkish Journal of Botany
Echinops dumanii C.Vural is described and illustrated from Adana province, South Anatolia, Turkey. It is considered to be endemic to Turkey. The morphological differences from the closely related species Echinops phaeocephalus Hand.-Mazz. are discussed. The International Union for Conservation of Nature (IUCN) threat category and observations on the ecology of the populations are noted. The geographical distribution of the new species is mapped.
Four New Records For The Benthic Diatoms (Genera Cocconeis, Seminavis, Synedra, And Trachysphenia) From The Aegean Sea, Fatma Sabanci, Tufan Koray
Four New Records For The Benthic Diatoms (Genera Cocconeis, Seminavis, Synedra, And Trachysphenia) From The Aegean Sea, Fatma Sabanci, Tufan Koray
Turkish Journal of Botany
Cocconeis pseudomarginata W.Greg., Seminavis robusta Danielidis & D.G.Mann, Synedra gaillonii (Bory) Ehrenb. var. macilenta (Grunow) H.Perag., and Trachysphenia australis Petit var. rostellata Hust. from Bacillariophyceae were reported for the first time from Turkish coastal waters. Additionally, Synedra gaillonii var. macilenta and Trachysphenia australis var. rostellata were the first records at variety level for Mediterranean coasts. Morphological characteristics of these species were given in detail, and information on their distribution was provided.
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 …
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.
Taxonomy Of Campanula Tomentosa Lam. And C. Vardariana Bocquet From Turkey, Emi̇ne Alçitepe, Kemal Yildiz
Taxonomy Of Campanula Tomentosa Lam. And C. Vardariana Bocquet From Turkey, Emi̇ne Alçitepe, Kemal Yildiz
Turkish Journal of Botany
The taxonomical status of Campanula tomentosa Lam. and C. vardariana Bocquet, belonging to the section Quinqueloculares (Boiss.) Phitos, which have important taxonomical problems, was reviewed in this study. Furthermore, morphological, anatomical leaf surface, and palynological features of these 2 species were examined in detail. Habit, shape of leaves, calyx, corolla, stamen, pistil, and seed micromorphological features as morphological characters; and pollen diameter, pore diameter, spinule length, and number, ornamentation, etc. as palynological characters, were examined and discussed. An identification key for the species is presented according to the results obtained. Following this extensive study, the mentioned problems of C. tomentosa …
Embryological And Cytochemical Features Of Scilla Autumnalis L., Zeynep Mi̇ne Coşkun, Meral Ünal
Embryological And Cytochemical Features Of Scilla Autumnalis L., Zeynep Mi̇ne Coşkun, Meral Ünal
Turkish Journal of Botany
Nucellar epidermal cells in the micropylar region of Scilla autumnalis L. differentiate into a nucellar cap. It secretes a PAS-positive exudate filling the micropyle. A group of cells at the chalazal end of the nucellus forms a hypostase. Close to the antipodals, the hypostase cells contain abundant starch grains, suggesting a function as a storage tissue. Another ovular structure is the obturator. It secretes an exudate that stains deeply with PAS reaction, and it takes a role in directing the growth of pollen tubes toward the micropyle. Cytochemical tests in the mature embryo sac indicate the presence of high amounts …
Comparison Of The Epiphytic Lichen Communities Growing On Various Tree Species On Mt. Uludağ (Bursa, Turkey), Şule Öztürk, Şaban Güvenç
Comparison Of The Epiphytic Lichen Communities Growing On Various Tree Species On Mt. Uludağ (Bursa, Turkey), Şule Öztürk, Şaban Güvenç
Turkish Journal of Botany
A total of 48 epiphytic lichen species were found on the various tree species (Abies nordmanniana (Stev.) Spach subsp. bornmuelleriana (Mattf.) Coode & Cullen, Fagus orientalis Lipsky, and Pinus nigra Arnold. subsp. pallasiana (Lamb.) Holmboe) that formed communities on the north-west, extending from 1300 to 1600 m altitudes, of Mt. Uludağ in Bursa. Twenty-five epiphytic lichen species that occur on more than 4 sample trees were statistically analysed. The most frequent species were Pseudevernia furfuracea L. (Zopf.), Hypogymnia tubulosa (Schaer.) Hav., Parmelia sulcata Taylor, Lecanora chlarotera Nyl., and Evernia prunastri (L.) Ach., in descending order. Indicator species for Fagus orientalis …
Pollen And Seed Morphology Of Velezia L. (Caryophyllaceae) Genus In Turkey, İlham Eröz Poyraz, Ebru Ataşlar
Pollen And Seed Morphology Of Velezia L. (Caryophyllaceae) Genus In Turkey, İlham Eröz Poyraz, Ebru Ataşlar
Turkish Journal of Botany
In this study, pollen and seed morphology of Velezia L. (Caryophyllaceae) species in Turkey were investigated by light and scanning electron microscopy. The genus is represented by 5 species in Turkey: V. tunicoides P.H.Davis, V. hispida Boiss., V. quadridentata Sibth. & Sm., V. pseudorigida Hub.-Mor. and V. rigida L. Endemism ratio of the genus is 60%, which shows that Turkey is the gene center for this genus. The pollen grains of Velezia species are radially symmetrical and isopolar, oblate-spheroidal, operculate, and polypantoporate, pores with conical spinules on operculum. Pollen ornamentation, pore numbers, exine thickness, pore diameter, operculum ornamentation, and spinule …
Clonal Propagation Of Dorystoechas Hastata Via Axillary Shoot Proliferation, Bengi̇ Erdağ, Yelda Emek, Serap Aydoğan
Clonal Propagation Of Dorystoechas Hastata Via Axillary Shoot Proliferation, Bengi̇ Erdağ, Yelda Emek, Serap Aydoğan
Turkish Journal of Botany
A protocol for the in vitro seed germination, seedling development, and axillary shoot propagation of Dorystoechas hastata Boiss. & Heldr. ex Bentham is described. By employing sterilised seeds that were transferred onto in vitro media, the effects of various in vitro media, photoperiods, and temperatures on germination were investigated. At the end of these experiments, a final protocol was determined for the in vitro germination of D. hastata seeds. With this protocol, the highest germination rate was obtained with distilled water supplemented with vitamins and 1 mg L^{-1} of gibberellic acid (GA_{3}), with a 16:8 photoperiod at 24 ± 2 …
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 …
Development Of A Highly Responsive Leaf-Based Regeneration System For Peperomia Species, Mohammad Ahmadabadi, Ralph Bock
Development Of A Highly Responsive Leaf-Based Regeneration System For Peperomia Species, Mohammad Ahmadabadi, Ralph Bock
Turkish Journal of Botany
Several species in the genus Peperomia Ruiz & Pav. have giant chloroplasts in the palisade parenchyma of their leaves. Because of this unique feature, Peperomia metallica L. Linden & Rodigas has become a valuable model plant for studying plastid biology. However, the use of Peperomia for molecular studies has been limited by the lack of efficient regeneration and transformation protocols. In this work, we aimed to develop a reliable regeneration system for Peperomia from leaf explants. Using MS medium complemented with different combinations of phytohormones, a highly efficient in vitro regeneration protocol was developed for P. metallica and P. peduncularis, …
Three Coprinoid Macrofungi Taxa, New To Turkey, Abdullah Kaya, Yusuf Uzun, Ali̇ Keleş, Kenan Demi̇rel
Three Coprinoid Macrofungi Taxa, New To Turkey, Abdullah Kaya, Yusuf Uzun, Ali̇ Keleş, Kenan Demi̇rel
Turkish Journal of Botany
Three coprinoid macrofungi taxa, Coprinus xerophilus Bogart (Agaricaceae), Coprinellus heterothrix (Kühner) Redhead, Vilgalys & Moncalvo, and Coprinopsis stercorea (Fr.) Redhead, Vilgalys & Moncalvo (Psathyrellaceae), are given as new records for Turkey.
Morphological Character Analysis In Turkish Micromeria Benth. (Lamiaceae) Species With A Numerical Taxonomic Study, Turan Arabaci, Tuncay Di̇rmenci̇, Ferhat Celep
Morphological Character Analysis In Turkish Micromeria Benth. (Lamiaceae) Species With A Numerical Taxonomic Study, Turan Arabaci, Tuncay Di̇rmenci̇, Ferhat Celep
Turkish Journal of Botany
As an initial part of a revisional study based on the genus Micromeria Benth. (Lamiaceae), extensive field studies, herbarium and literature surveys, and multivariate analysis have been conducted. Recently, many morphological and molecular studies have been conducted on the genus Micromeria and related genera. Consequently, the generic boundaries of Micromeria have dramatically changed. Therefore, a morphometric analysis was carried out on Turkish Micromeria s.l. species, belonging to sect. Micromeria, sect. Cymularia Boiss., and sect. Pseudomelissa Benth., 2 Clinopodium L. species, and 2 Mentha L. species in order to understand their taxonomic relationship. For morphometric analysis, 27 morphological characters and their …
Comparative Rapd Analysis And Pollen Structure Studies Of Bellis Perennis L., Nesli̇han Kavalcioğlu, Leyla Açik, Nur Münevver Pinar
Comparative Rapd Analysis And Pollen Structure Studies Of Bellis Perennis L., Nesli̇han Kavalcioğlu, Leyla Açik, Nur Münevver Pinar
Turkish Journal of Botany
Random amplified polymorphic DNA (RAPD) is one of the easiest and most commonly used molecular techniques for genetic variability analysis. In the present study, the genetic diversity of analysis of Bellis perennis L. collected in 4 Turkish geographical locations was investigated by RAPD-PCR analysis. In addition to RAPD, pollen analysis of the 4 plant populations was also conducted. Out of 40 RAPD primers tested, 12 exhibited distinct banding patterns showing 45% to 79% polymorphism. Plants from these 4 localities were almost the same morphologically. Considerable differences were observed in the RAPD profile and pollen shape of plants from the Rize/Dereköy …
The Diatoms Of Asartepe Dam Lake (Ankara), With Environmental And Some Physicochemical Properties, Tahi̇r Atici, Emi̇ne Olcay Obali
The Diatoms Of Asartepe Dam Lake (Ankara), With Environmental And Some Physicochemical Properties, Tahi̇r Atici, Emi̇ne Olcay Obali
Turkish Journal of Botany
The shoreline benthic diatoms of Asartepe Dam Lake were identified from different habitats (epipelic, epiphytic, and epilithic) at 7 sampling stations between April 2003 and June 2004. In the investigation, a total of 93 taxa were identified. Of those, Cymbella affinis Kütz., Navicula radiosa Kütz., Ulnaria ulna (Nitzsch) Compère, Pinnularia borealis Ehrenb., Amphora ovalis (Kütz.) Kütz., Cyclotella ocellata Pant. and Nitzschia dissipata (Kütz.) Grunow were observed and abundant at all stations. Some physical and chemical water quality parameters were measured and correlated with biological parameters.
Classification Of Some Plant Species According To Grime’S Strategies In A Quercus Cerris L. Var. Cerris Woodland In Samsun, Northern Turkey, Mahmut Kilinç, Nesli̇han Karavi̇n, Hamdi̇ Güray Kutbay
Classification Of Some Plant Species According To Grime’S Strategies In A Quercus Cerris L. Var. Cerris Woodland In Samsun, Northern Turkey, Mahmut Kilinç, Nesli̇han Karavi̇n, Hamdi̇ Güray Kutbay
Turkish Journal of Botany
This study was carried out on 2 permanent plots of Quercus cerris L. var. cerris woodland in the Kurupelit region of Samsun, northern Turkey. Grime's CSR strategies were determined for 85 plant species from the 2 study plots (61 and 50 species from plot 1 and plot 2, respectively) according to the method that was applied. Most of the plant species in both plots had secondary and tertiary strategies, and this suggests that plants were exposed to more than one pressure factor. In both plots, CR (competitor-ruderal) was the most common strategy.