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Articles 1 - 30 of 54
Full-Text Articles in Life Sciences
Agrobacterium Rhizogenes-Mediated Hairy Root Formation In Some Rubia Tinctorum L. Populations Grown In Turkey, A. Gülhan Ercan, Kemal Meli̇h Taşkin, Kenan Turgut, Süer Yüce
Agrobacterium Rhizogenes-Mediated Hairy Root Formation In Some Rubia Tinctorum L. Populations Grown In Turkey, A. Gülhan Ercan, Kemal Meli̇h Taşkin, Kenan Turgut, Süer Yüce
Turkish Journal of Botany
Rubia tinctorumL. seeds were collected from 4 different regions of Turkey. Plants were grown in greenhouse and cotyle-dons were inoculated with Agrobacterium rhizogenes strains 15834, 2628, R1000 and 9365. Rubia tinctorum plants were also grown in the field for comparative analysis of root anthraquinone content. Agrobacterium rhizogenesstrain 2628 induced only callus formation on the cut surface of cotyledon explants while strains 15834, R1000 and 9365 produced hairy roots on the same explants. Anthraquinone content was identified in the extracts of the plant roots grown in the field and in the extracts of the Agrobacterium rhizogenes-induced hairy roots. The percentage of …
Effect Of Zinc Treatment On The Alleviation Of Sodium And Chloride Injury In Tomato (Lycopersicum Esculentum(L.) Mill. Cv. Lale) Grown Under Salinity, Mehmet Alpaslan, Ali İnal, Aydın Güneş, Yakup Çikili, Hesna Özcan
Effect Of Zinc Treatment On The Alleviation Of Sodium And Chloride Injury In Tomato (Lycopersicum Esculentum(L.) Mill. Cv. Lale) Grown Under Salinity, Mehmet Alpaslan, Ali İnal, Aydın Güneş, Yakup Çikili, Hesna Özcan
Turkish Journal of Botany
Nonsaline and saline (30 mM NaCl), Zn (10, 20, 40 mg kg -1 ) and without Zn treatment and factorial combinations of NaCl and Zn on the fresh and dry weights of the plants, and sodium (Na), chloride (Cl) and zinc (Zn) contents of both young and old leaves were determined and the effects of Zn on the Na and Cl translocation within the plants were investigated. Salinity decreased the fresh and dry weights of the plants while this effect of salinity diminished with increasing Zn levels. Na and Cl con-centrations of both young and old leaf tissues decreased with …
The Morphological, Anatomical And Karyological Propertiesof Salvia Sclarea L., Canan Özdemi̇r, Gülcan Şenel
The Morphological, Anatomical And Karyological Propertiesof Salvia Sclarea L., Canan Özdemi̇r, Gülcan Şenel
Turkish Journal of Botany
The morphological, anatomical and karyological properties of Salvia sclarea L. were investigated. In addition, glandular and eglandular hairs were examined and classified. In the morphological study it was observed that the species have a perennial root system. The herbaceous stem is rectangular. Leaves are simple. Glandular and eglandular hairs are present on both surfaces of the leaves. Inflorescence is compound raceme. In anatomical studies, the internal morphological features of root, stem, leaf, petiole and flower were determined. The chromosome morphology of this species was examined and the diploid chromosome number was found to be 2n=22.
An Investigation On The Morphology, Anatomy And Ecology Oforiganum Onites L.1, Ahmet Gönüz, Bilkan Özörgücü
An Investigation On The Morphology, Anatomy And Ecology Oforiganum Onites L.1, Ahmet Gönüz, Bilkan Özörgücü
Turkish Journal of Botany
Possible variations in the morphology, anatomy, ecology and phenology of Origanum onites L. ( Lamiaceae/Labitae) in rela-tion to altitudinal variations was studied together with the differences in etheric oil content. A decrease in the stem and lower leaf lengths was observed compared with an increase in the cortical area and vascular tissues in parallel with altitudinal increases. The number and size of stomata also varied with this factor. Etheric oil content was found to be different in relation to altitude.
Studies On The Ecology Of Chrozophora Tinctorial. Andrubia Tinctoruml. In Western Anatolia, Süleyman Başlar, Hasan Hüseyin Mert
Studies On The Ecology Of Chrozophora Tinctorial. Andrubia Tinctoruml. In Western Anatolia, Süleyman Başlar, Hasan Hüseyin Mert
Turkish Journal of Botany
This study was carried out to determine the autecological and economic importance of Chrozophora tinctoria L. ( Euphorbiaceae) and Rubia tinctorumL. ( Rubiaceae) distributed in western Anatolia. A Physical and chemical analysis was performed on the soils where these plants grow and a chemical analysis of the plants was also carried out. The results obtained were assessed using regression analysis. It was found that both of the plants generally grow on loam and clayey-loam; neutral to slightly alkaline soils which are both poor and rich in calcium carbonate; slightly saline; moderately rich, rich and very rich in organic matter; rich …
Pollen Flora Of Pakistan - Xiii. Campanulaceae, Anjum Perveen, Mohammad Qaiser
Pollen Flora Of Pakistan - Xiii. Campanulaceae, Anjum Perveen, Mohammad Qaiser
Turkish Journal of Botany
The pollen morphology of 10 species belonging to the 3 genera of the family Campanulaceae were investigated with a light microscope and sacanning microscope. It is eurypalynous in nature. Pollen grains are mostly oblate-spheroidal, rarely prolate-spheroidal or spheroidal, often suboblate. Tectum striate-rugulate, often subpsilate with spinules. On the basis of apertural types 2 distinct pollen types are recognized viz. Campanula latifolia - type, Codonopsis clematidea- type.
The Flora Of The Agricultural Areas In Enez (Edirne) And Environs, Mesut Ki̇reç, Celal Yarci
The Flora Of The Agricultural Areas In Enez (Edirne) And Environs, Mesut Ki̇reç, Celal Yarci
Turkish Journal of Botany
This work was carried out in the agricultural areas of Enez (Edirne) and environs. The study area has suitable conditions for plant species richness such as different microclimates, soils, and intensive agricultural activities. A total of 150 taxa were identi-fied belonging to Pteridophyta (2), and Spermatophyta (148). Of these, 118 taxa of Spermatophyta are in Dicotytedoneae and 30 taxa are in Monocotyledoneae. The results show that 8 taxa are new records, 1 for Thrace, 5 for A1 square and 2 for European part of A1 square.
Karyological Studies On Vicia Satival. Subsp. Incisa(Bieb.) Arc. Var. Incisa, Çiler Meri̇ç, Feruzan Dane
Karyological Studies On Vicia Satival. Subsp. Incisa(Bieb.) Arc. Var. Incisa, Çiler Meri̇ç, Feruzan Dane
Turkish Journal of Botany
Vicia sativa L. subsp. incisa (Bieb.) Arc. var. incisa was investigated karyologically (chromosome number, karyotype and mitotic division). The chromosome number of Vicia sativa subsp. incisa var. incisa was counted for the first time and it was found to be 2n=14. In the karyotype, 1 submedian (SM) and 6 subterminal (ST) chromosome pairs were found, in one of which a SAT-chromosome was detected. A satellite was on the short arm of the 3rd chromosome pair. In the cells of the root tips, the course of mitosis was regular. The presence of subsp. incisa var. incisa in the flora of Turkey …
Barbula Glauca(Ryan) Möll., A New Record For The Moss Flora Of Turkey, Barbaros Çeti̇n
Barbula Glauca(Ryan) Möll., A New Record For The Moss Flora Of Turkey, Barbaros Çeti̇n
Turkish Journal of Botany
Barbula glauca (Ryan) Möll. is reported for the first time from Turkey. The locality is situated almost 35 km north of Gerze District (Sinop).
New Floristic Records For The Squares B3 And B4 (Ilgın-Konya, Turkey), Memduh Seri̇n, Kuddisi Ertuğrul
New Floristic Records For The Squares B3 And B4 (Ilgın-Konya, Turkey), Memduh Seri̇n, Kuddisi Ertuğrul
Turkish Journal of Botany
No abstract provided.
Elaeagnus Angustifolial. As A Biomonitor Of Heavy Metal Pollution, Ahmet Aksoy, Uğur Şahi̇n
Elaeagnus Angustifolial. As A Biomonitor Of Heavy Metal Pollution, Ahmet Aksoy, Uğur Şahi̇n
Turkish Journal of Botany
The leaves of Elaeagnus angustifolia L. (Elaeagnaceae) were tested as a possible biomonitor of heavy metal pollution in Kayseri. Concentration of Pb, Cd and Zn were determined in unwashed and washed leaves and soils. Differences between the unwashed and washed samples varied according to the metal pollutant levels. Significant correlations were obtained between the heavy metal concentrations in surface soil and washed leaf samples. E. angustifoliawas found to be a useful biomonitor of the heavy metals investigated.
Nitrate Reductase Activity In Verbascum L. ( Scrophulariaceae) Species From The Eastern Mediterranean In Dependence On Altitude, Gürcan Güleryüz, Hülya Arslan
Nitrate Reductase Activity In Verbascum L. ( Scrophulariaceae) Species From The Eastern Mediterranean In Dependence On Altitude, Gürcan Güleryüz, Hülya Arslan
Turkish Journal of Botany
Nitrate reductase activity (NRA) was investigated in diferent parts of some Verbascum L. species ( Scrophulariaceae) collected from different altıtudes of Uludag Mountain, Bursa Turkey. NR activities were compared with respect to (1) different plant organs, (2) different Verbascumspecies and (3) samples collected from different altıtudes (120-1850 m). The highest levels of NRA were found for all species in the leaves. Significant differences were determined between the samples collected from different altıtudes. Despite the NRA is the highest in V. olympicum Boiss., it is the lowest in V. lagurus Fisch. & Mey. Furthermore the correlation between NRA values in aboveground …
The Liverworts (Hepaticae)Of Sinop And Its Environs(Ayancık, Boyabat And Gerze), Barbaros Çeti̇n
The Liverworts (Hepaticae)Of Sinop And Its Environs(Ayancık, Boyabat And Gerze), Barbaros Çeti̇n
Turkish Journal of Botany
In the vegetation period, a total of 45 plant specimens were collected from the area between 1993 and 1995. At the end of this investigation 19 liverworts species were identified, belonging to 13 families and 14 genera. Of these, 8 taxa are new for the A3 grid-square. Blasia pusilla L., is reported for the second time from Turkey.
In Vitro Micropropagation Of Sainfoin ( Onobrychis Viciifolia Scop.), Cengi̇z Sancak
In Vitro Micropropagation Of Sainfoin ( Onobrychis Viciifolia Scop.), Cengi̇z Sancak
Turkish Journal of Botany
A method for in vitro micropropagation of sainfoin was developed. Following optimization of the growth regulator combinations in the media, large numbers of shoots were propagated from a single embryonic axis within 8 weeks on Murashige and Skoog (MS) media supplemented with combination of different 6-benzylaminopurine (BAP), indole-butyric acid (IBA) and ?-naphthaleneacetic acid (NAA) concentrations. The highest number of shoot multiplication was obtained on the media containing 2 mg/l BAP and either 0.05 or 0.1 mg/l IBA, and on the media supplemented with 2 mg/l BAP and either 0.05, 0.1 or 0.5 mg/l NAA, or 8 mg/l BAP and 0.05 …
Morphological, Anatomical And Ecological Studies On The Two Turkish Endemic Species Collected From Kaz Dağı (B1 Balıkesir) "Allium Sibthorpianum Schultes & Schultes Fil. And Allium Reuterianum Boiss.", İsmet Uysal
Turkish Journal of Botany
This investigation englightens the morphological, anatomical and ecological characteristics of Kazdağı endemics namely Allium reuterianum Boiss. and Allium sibthorpianum Schultes & Schultes fil. (Liliaceae). A. sibthorpianum occurs in Bursa, Kütahya, Denizli, Isparta and Çanakkale (newly recorded), whereas A. reuterianum is found in Southwest Anatolia, Islands, Manisa, Denizli, Muğla, Isparta and Çanakkale (newly recorded). Root anatomy of A. sibthorpianum and A. reuterianum typically show exodermis and an empty pith. In addition in the scapes of both the species layering in the area between epidermis and cuticle results in its thickening. The leaves in both species are not hairy. Reticulate shaped open …
A New Genus ( Mericarpaeaboiss.) Record From Turkey, Zeki̇ Aytaç, Nezaket Adigüzel
A New Genus ( Mericarpaeaboiss.) Record From Turkey, Zeki̇ Aytaç, Nezaket Adigüzel
Turkish Journal of Botany
Mericarpaea ciliata(Banks & Sol.) Eig ( Rubiaceae) is recorded from Turkey for the first time. It is also new genus record ( MericarpaeaBoiss.) for Turkey.
Check-List Of Additional Taxa To The Supplement Flora Of Turkey Ii, Neri̇man Özhatay, Şükran Kültür, Nevri̇ye Aksoy
Check-List Of Additional Taxa To The Supplement Flora Of Turkey Ii, Neri̇man Özhatay, Şükran Kültür, Nevri̇ye Aksoy
Turkish Journal of Botany
This checklist contains a total of 168 taxa published as additions to the Flora of Turkey. It includes details of taxa neither recorded by P.H.Davis' "Flora of Turkey and the East Aegean Islands" or its Supplement, nor in the first of this series of checklists. The records in this list are based on data given in nearly 100 publications published up to the end of 1998.
Evaluation Of Various Sunflower ( Helianthus Annuus L.) Genotypes For Agrobacterium Tumefaciens-Mediated Gene Transfer, Ekrem Gürel, Kemal Kazan
Evaluation Of Various Sunflower ( Helianthus Annuus L.) Genotypes For Agrobacterium Tumefaciens-Mediated Gene Transfer, Ekrem Gürel, Kemal Kazan
Turkish Journal of Botany
In this work, 10 sunflower ( Helianthus annuus L.) genotypes were evaluated for their suitability for Agrobacterium tumefaciens-mediated gene transfer based on detection of a reported gene expression (GUS). A number of factors including the type of shoot-tip explant (split vs. intact), bacterial strain/binary vector combinations and wounding intact shoot-tips by particle bombardment were examined. Genotypes showed significant differences in their transformation efficiencies ranging from 0.0 to 82.7% GUS positive explants, hybrid genotypes being more responsive to Agrobacterium infection than inbred lines. Use of split shoot-tip explants did not increase the transformation efficiency over intact explants but the AGL-1/pKIWI strain/vector …
Pollen Morphology Of Turkish Chenopodium L. ( Chenopodiaceae), N. Münevver Pinar, Özden İnceoğlu
Pollen Morphology Of Turkish Chenopodium L. ( Chenopodiaceae), N. Münevver Pinar, Özden İnceoğlu
Turkish Journal of Botany
Pollen grains of 12 species of the genus Chenopodium L. ( Chenopodiaceae), of which morphological separation is problematical, have been examined in detail comparatively by using light microscopy (LM), scanning (SEM) and transmission electron microscopy (TEM). Pollen description of each taxon has been given. Pollen garins of ChenopodiumL. species examined are radially symmetrical, isopolar, pantopolyporate and spheroidal. Their exine structure is similar. In the genus, five pollen types have been defined, mainly on the basis of pollen size.
The Moss Flora Of The Uludağ National Park (Bursa/Turkey), Barbaros Çeti̇n
The Moss Flora Of The Uludağ National Park (Bursa/Turkey), Barbaros Çeti̇n
Turkish Journal of Botany
Field studies were conducted to determine the flora of Uludağ (Bursa) National Park during 1988, 1989 and 1996. Almost 180 plant specimens were collected in these studies. After the identification of these specimens, 85 taxa at specific and sub-specific ranks were determined. Of these, 28 taxa are new to the Al grid-square. In addition, Polytrichum commune var. perigoniale (Michx.) Hampe is a new record for the moss flora of Turkey.
The Plant Sociology And Ecology Of The Upper Göksu Catchment Area(Hadim-Konya) And Environs, Hayretti̇n Ocakverdi̇, Sali̇h Oflaz
The Plant Sociology And Ecology Of The Upper Göksu Catchment Area(Hadim-Konya) And Environs, Hayretti̇n Ocakverdi̇, Sali̇h Oflaz
Turkish Journal of Botany
The Taurus mountains area is one of the most interesting areas of Turkey as regards flora and vegetation. The region is situated on a transition zone between the Mediterranean and continental climate and contains many microclimate areas because of its topographic character. Therefore, studies on the flora and vegetation of the Taurus mountains give quite different results. The studies on the catchment area of Göksu valley and environs which exhibit Mediterranean climate and is a part of the central Tauruses were ccarried out in 1995-1996. In this study, Braun-Blanquet's floristic system principle was used and six associations (five of them …
Contributions To The Flora Of The Western Part Of Istranca Mountains (Kırklareli/Thrace Region), Celal Yarci
Contributions To The Flora Of The Western Part Of Istranca Mountains (Kırklareli/Thrace Region), Celal Yarci
Turkish Journal of Botany
This study was carried out for to contribute to the flora of Istranca (Yildiz) Mountains Iying from northwest to southeast on the north of Thrace Region between 1996-1997. The study area is placed in A1 (E) square in grid system adopted DAVIS and in Euro-Siberian phytogeographical region. According to the results of this study; 321 taxa belonging to 219 genera and 65 families were recorded. Among these taxa, there are 4 Pteridophytes and 317 Spermatophytes (253 Dicotyledones and 64 Monocotyledones). The largest families are as follows: Poaceae 38 taxa (11.83%), Asteraceae 35 taxa (10.90%) and Lamiaceae 21 taxa (6.54%). The …
Vegetation Mosaic Around The Second Center Of Tourism Development In The Uludağ Mountain, Bursa, Turkey, Hülya Arslan, Gürcan Güleryüz, Mustafa Gökçeoğlu, Helmut Rehder
Vegetation Mosaic Around The Second Center Of Tourism Development In The Uludağ Mountain, Bursa, Turkey, Hülya Arslan, Gürcan Güleryüz, Mustafa Gökçeoğlu, Helmut Rehder
Turkish Journal of Botany
The vegetation mosaic around the Second Center of Tourism Development in Uludağ (Bursa) was determined by aerial photographs and Geographical Information Systems (GIS) techniques. The vegetation characteristic of the area is composed of dwarf shrub formation (Vaccinium myrtillus-Juniperus communis-comm. and Juniperus communis-comm.). In addition, a database related to the vegetation mosaic of the area was prepared.
A Concise Taxonomic Revision Of The Genus Alopecurusl. (Gramineae), Musa Doğan
A Concise Taxonomic Revision Of The Genus Alopecurusl. (Gramineae), Musa Doğan
Turkish Journal of Botany
An account of 29 species and 12 subspecies identified in the genus AlopecurusL. is given including the genus description, a key for the species, species descriptions, flowering times, habitats, altitudes, type citations, citation of the specimens examined, general distributions and biogeography of the species.
Lichen Species In The North Of Karacabey County, Bursa Province, Turkey, Kenan Yazici
Lichen Species In The North Of Karacabey County, Bursa Province, Turkey, Kenan Yazici
Turkish Journal of Botany
A total of seventy eight lichen species, which belongs to twenty families in Ascomycotina, are listed for Karacabey county, Bursa Province. 28 of which are new records for Bursa province. In addition the distribution and substrata of these species are given.
Prof.Dr. Hüsnü Demi̇ri̇z (1920-1999), Turhan Baytop
Prof.Dr. Hüsnü Demi̇ri̇z (1920-1999), Turhan Baytop
Turkish Journal of Botany
No abstract provided.
Properties Of The Docking Site Of Photosystem 1 From Spinach, Ruffat Agalarov, Ni̇yaz Safarov, Ralphreed Ahad Gasanov
Properties Of The Docking Site Of Photosystem 1 From Spinach, Ruffat Agalarov, Ni̇yaz Safarov, Ralphreed Ahad Gasanov
Turkish Journal of Botany
The bimolecular interaction between Plastocyanin and Photosystem I under steady-state illumination was studied. The dependence of the O 2 consumption rate on Plastocyanin concentration, electrostratic effect in the presence of mono- and divalent cations and pH-dependence were investigated. A mechanism of activating complexes formation between Plastocyanin and Photosystem I in frame of trimeric structure of Photosystem I is proposed.
Agrobacterium Tumefaciens-Mediated Transformation Of Sesame (Sesamum Indicuml.), Kemal Meli̇h Taşkin, A. Gülhan Ercan, Kenan Turgut
Agrobacterium Tumefaciens-Mediated Transformation Of Sesame (Sesamum Indicuml.), Kemal Meli̇h Taşkin, A. Gülhan Ercan, Kenan Turgut
Turkish Journal of Botany
Sesamum indicum L. cv. Özberk was infected with various Agrobacterium tumefaciens strains to screen susceptibility to infection by Agrobacteria. Following infection, tumorigenesis was efficient with wild type A. tumefaciens strains, A281 and A136 NC, and transgenic cells were obtained with disarmed A. tumefaciens strain LBA4404/pBI121, harbouring a reporter gene. At the wound sites, tumorigenesis induced by the succinamopine strain A281 was more extensive than by the octopine strain A136 NC.
Expression And Inheritance Of Gus Gene In Transgenic Tobacco Plants, Ti̇jen Talas Oğraş, Nermi̇n Gözükirmizi
Expression And Inheritance Of Gus Gene In Transgenic Tobacco Plants, Ti̇jen Talas Oğraş, Nermi̇n Gözükirmizi
Turkish Journal of Botany
Agrobacterium tumefaciens-mediated transformation of tobacco leaf discs was performed with plant transformation vec-tors of pBI 121 and pGus-Int. Both carry the neomycin phosphotransferase II ( npt II) gene and, unlike the pBI 121, pGus-Int car-ries a portable plant intron inside the beta-glucuronidase (GUS) gene. In addition to the integration of the marker genes into the genomes of primary transformants, R1 and R2 progenies were confirmed by polymerase chain reaction (PCR) and Southern blot analyses. Histochemical and fluorometric analyses were also performed to determine the activity of the GUS gene. Segregation of progenies on kanamycin-resistance trait was also shown as evidence …
Marker Gene Delivery To Mature Wheat Embryos Via Particle Bombardment, Hüseyi̇n Avni̇ Öktem, Füsun İnci̇ Eyi̇doğan, Fahri̇ye Setenci̇ Ertuğrul, Meral Yücel, Barnabas Jenes, Otto Toldi
Marker Gene Delivery To Mature Wheat Embryos Via Particle Bombardment, Hüseyi̇n Avni̇ Öktem, Füsun İnci̇ Eyi̇doğan, Fahri̇ye Setenci̇ Ertuğrul, Meral Yücel, Barnabas Jenes, Otto Toldi
Turkish Journal of Botany
The possibility of transferring genes to mature wheat embryos ( Triticum aestivumL. and T. durum Desf.) via accelerated and DNA-coated tungsten particles was investigated. Mature embryos isolated from bread (cv. Atay) and durum (cv. Çakmak) wheat were utilised as targets for bombardment. DNA in the form of circular plasmid (pBSGUSINT) was precipitated on tungsten particles (ca. 2 \mum diameter) using the calcium nitrate method. Mature embryos were bombarded by a microprocessor-controlled particle delivery instrument (GENEBOOSTER TM ) driven by compressed nitrogen gas. Bombardment was carried out at various gas pressure and in a chamber vacuum. The target material was subjected …