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Articles 10171 - 10200 of 10915
Full-Text Articles in Life Sciences
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 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 …
Nuclear Dna Contents Of Some Endemic Hedysarum L. Species, Nükhet Akpinar, Bayram Yildiz
Nuclear Dna Contents Of Some Endemic Hedysarum L. Species, Nükhet Akpinar, Bayram Yildiz
Turkish Journal of Botany
The nuclear DNA contents and nuclear areas of some endemic Hedysarum L. species were investigated. A significant variation in the DNA content of Hedysarum species was established. The 2C nuclear DNA amount in the Hedysarum species (x = 8) ranged from approximately 4 to 6 picograms. It was found that the variation in the 2C nuclear DNA content was not related to chromosome numbers. However, there was a very high positive linear relationship between nuclear DNA content and nuclear area.
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.
Pollen Flora Of Pakistan -Xv Geraniaceae, Anjum Perveen, Mohammad Qaiser
Pollen Flora Of Pakistan -Xv Geraniaceae, Anjum Perveen, Mohammad Qaiser
Turkish Journal of Botany
The pollen morphology of 13 species belonging to the 3 genera of the family Geraniaceae was investigated with a light microscope and scanning microscope. It is eurypalynous in nature. Pollen grains mostly oblate-spheroidal, rarely prolate-spheroidal or spheroidal, often sub-oblate. Tectum reticulate with dense beculae or gammate muri, or striate. On the basis of exine ornamentation and apertural types, 3 distinct pollen types were recognized viz., Erodium cicutarium-type, Geranium himalayense-type and Monsonia senegalensis-type.
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.
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 …
A Palynological Survey Of Aquatic Flora Of Karachi-Pakistan, Anjum Perveen
A Palynological Survey Of Aquatic Flora Of Karachi-Pakistan, Anjum Perveen
Turkish Journal of Botany
The pollen morphology of 16 species of aquatic angiosperms, distributed in 14 families from Karachi was examined by light and scanning microscope. Pollen grains are usually free, rarely united, mostly radially symmetrical, isopolar-apolar, occasionally-heteropolar. Simple aperturate (porate or colpate) pollen are more frequently found. Number of apertures varies from 1-3 or more than 30, rarely compound aperture as in Enhydra fluctuans Lour. Tectum of the families also is quite variable, ranging from reticulate to rugulate, striate, fossulate, echinate or scabrate/areolate. The pollen morphology of the families is significantly useful for characterizing the species. Apertural types and tectum types are the …
Regeneration And Agrobacterium-Mediated Transformationstudies In Tomato ( Lycopersicon Esculentum Miller), Hüseyi̇n Avni̇ Öktem, Yeter Bülbül, Emre Öktem, Meral Yücel
Regeneration And Agrobacterium-Mediated Transformationstudies In Tomato ( Lycopersicon Esculentum Miller), Hüseyi̇n Avni̇ Öktem, Yeter Bülbül, Emre Öktem, Meral Yücel
Turkish Journal of Botany
An optimized regeneration protocol and a suitable transformation technique is a necessity in obtaining transgenic plants in a given plant species. This work summarizes a simple culture method to obtain rooted plants from leaf pieces of two tomato cul-tivars (ES58 and WC156) within 3-4 months. Here, we also present our preliminary results on transformation experiments carried out with 8-day-old cotyledon explants and Agrobacterium tumefaciensEHA105 strain.
A New Genus ( Brossardia Boiss.) Record For Turkey, Nezaket Adigüzel, Mehmet Koyuncu
A New Genus ( Brossardia Boiss.) Record For Turkey, Nezaket Adigüzel, Mehmet Koyuncu
Turkish Journal of Botany
Brossardia papyracea Boiss. ( Cruciferae / Brassicaceae) is recorded for the first time from Turkey. This is also a new genus record ( Brossardia Boiss.) for Turkey.
New Records For The Lichen Flora Of Turkey, Şule Öztürk, Gönül Kaynak
New Records For The Lichen Flora Of Turkey, Şule Öztürk, Gönül Kaynak
Turkish Journal of Botany
Three foliose lichen species, Collema parvumDegel., Phaeophyscia constipata ( Norrl. & Nyl. ) Moberg, Xanthoria fulva (Hoffm.) Poelt & Petutsching, are new records for Turkey.
Callus Production And Plant Regeneration From Anther Culture Of Some Turkish Barley Cultivars, Çi̇ğdem Savaşkan, Ivona Szarejko, M. Ci̇hat Toker
Callus Production And Plant Regeneration From Anther Culture Of Some Turkish Barley Cultivars, Çi̇ğdem Savaşkan, Ivona Szarejko, M. Ci̇hat Toker
Turkish Journal of Botany
Anther culture of four different barley cultivars ( Hordeum vulgareL. cvs. Anadolu, Cumhuriyet-50, Obruk-86 and Tokak-157/37) currently cultivated in Turkey has been investigated. Two different culture media (BAC3 and FHG) were used and the effect of a 21-day cold pretreatment was studied. Androgenesis on BAC3 medium was evaluated statistically in all genotypes and the percentage of anther response and the frequency of calli production were found significantly different (P
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 …
Scanning Electron Microscopy Study Of Pollen In Some Turkish Teucrium L. (Labiatae), Emel Oybak Dönmez, Özden İnceoğlu, Münevver Pinar
Scanning Electron Microscopy Study Of Pollen In Some Turkish Teucrium L. (Labiatae), Emel Oybak Dönmez, Özden İnceoğlu, Münevver Pinar
Turkish Journal of Botany
Detailed exine sculpturing of the pollen of 32 Turkish Teucrium L. (Labiatae) taxa has been investigated under SEM. Two main exine sculpturing types, verrucate (in sections Teucrium, Scordium, Boiss, Chamaedrys Benth., Polium Benth., Stachyobotrys Benth. and Scorodonia Benth.) and reticulate, (only in section Isotriodon Boiss.) have been defined and their photographs have been presented.
Macrofungi Of İzmir Province, Mehmet Hali̇l Solak, Mustafa Işiloğlu, Fahretti̇n Güci̇n, İsa Gökler
Macrofungi Of İzmir Province, Mehmet Hali̇l Solak, Mustafa Işiloğlu, Fahretti̇n Güci̇n, İsa Gökler
Turkish Journal of Botany
This investigation was done basing on the macrofungi specimens collected from Izmir province situated in Eagean Region in the West Anatolia between 1992 and 1996. As a result of the studing of laboratory and field, 104 taxa belonging to 32 families were determined. One genus ( Lyophyllum Karst.), 8 species ( Clitocybe bresadoliana Sing., Cystoderma granulosum (Batsch: Fr.) Fay., Lyophyllum favrei Haller & Haller., Melanoleuca paedida (Fr.) Kühn. & Mre., Mycena rosea (Bull.) Gramberg., Stereum ostrea(Blume & Nees ex Fr.) Fr., Strobilurus stephanocystis (Hora) Sing., Tricholoma pardalotum Herink & Kotl.), and 1 variety ( Melanoleuca cognata var. typica (Fr.) Konr. …
The Moss Flora Of Trabzon And Environs, Turan Özdemi̇r, Barbaros Çeti̇n
The Moss Flora Of Trabzon And Environs, Turan Özdemi̇r, Barbaros Çeti̇n
Turkish Journal of Botany
In this study, 120 taxa were identified by the authors. These belong to 27 families and 61 genera of Bryophytes. of these 25 taxa are new for the A4 grid-square adopted by Henderson (1961).
Contributions To Turkish Mycoflora From The Ardanuç District Of Artvin Province, Kenan Demi̇rel
Contributions To Turkish Mycoflora From The Ardanuç District Of Artvin Province, Kenan Demi̇rel
Turkish Journal of Botany
Macrofungi collected from the Ardanuç district between 1994-1996, and 56 taxa belonging to Basidiomycetes were identified.
New Floristic Records For The Grid Squares (A4, B4), Bi̇lgi̇n Gökcüoğlu, Fatma Özdemi̇r, Mustafa Aydoğdu
New Floristic Records For The Grid Squares (A4, B4), Bi̇lgi̇n Gökcüoğlu, Fatma Özdemi̇r, Mustafa Aydoğdu
Turkish Journal of Botany
No abstract provided.
Effects Of Selection For Four Week Body Weight On Slaughter, Carcass, And Abdominal Fat And Some Organ Weights And Blood Serum Parameters In Japanese Quail, Levent Türkmut, Özge Altan, İsmai̇l Oğuz, Servet Yalçin
Effects Of Selection For Four Week Body Weight On Slaughter, Carcass, And Abdominal Fat And Some Organ Weights And Blood Serum Parameters In Japanese Quail, Levent Türkmut, Özge Altan, İsmai̇l Oğuz, Servet Yalçin
Turkish Journal of Veterinary & Animal Sciences
This research was carried out to determine the genetic effects of divergent selection under two different selection pressures for four week body weight over three generations on slaughter weight, carcass weight, abdominal fat and some organ weights and blood serum parameters in Japanese quail. Birds were weighed individually. Individual selection for body weight was carried out at four weeks, separately for each sex. The proportion kept was 10 % for males and 30% for females in 10Y and 10D lines, and 20% for males and 60% females in 20Y and 20D lines. 10Y and 20Y lines were selected for high …
Effects Of Calving Season And Lactation Order On Milk Yield And Milk Components In Simmental Cows, Özel Şekerden
Effects Of Calving Season And Lactation Order On Milk Yield And Milk Components In Simmental Cows, Özel Şekerden
Turkish Journal of Veterinary & Animal Sciences
The research was performed to investigate effects of calving season and lactation order on milk yield components and changing of milk components with lactation stage in Simmental cows. Milk samples were taken at AM milkings in 30±15^{th}, 90±15^{th}, 150±15^{th} and 210±15^{th} days of lactations. Lactation stages' effect was found significant level statistically on only the rate of total solid matter (TSM). Calving season's effect was found at significant level statistically on 305-day milk yield; fat, protein, TSM, casein rates and lactation yield of casein. Although lactation order's effect was significant on all the component rates and yields of lactation except …
Growth Analysis Of Brown Swiss And Holstein Heifers Under Harsh Climatic Conditions, Ömer Akbulut
Growth Analysis Of Brown Swiss And Holstein Heifers Under Harsh Climatic Conditions, Ömer Akbulut
Turkish Journal of Veterinary & Animal Sciences
Monthly live weights and heights at withers of Brown Swiss and Holstein heifers were compared in the period from birth to 18 months of age between 1991 and 1994. This study was carried out under harsh climatic conditions of Erzurum, situated in North-Eastern Anatolia with an altitude of 1950 m. During the experimental period annual mean temperature was 4.3 °C and minimum and maximum average monthly temperatures being -17 °C and 19.5 °C respectively. Total annual rainfall was 389 mm, and average humidity was 68.4 %. Feeding systems were based on medium quality roughage consisted of dry hay (grass, alfalfa …
Theileriosis'li Bir Buzağıda Semptomatik Burun Kanaması, Yusuf Gül
Theileriosis'li Bir Buzağıda Semptomatik Burun Kanaması, Yusuf Gül
Turkish Journal of Veterinary & Animal Sciences
No abstract provided.
Effects Of The Use Of Cow's And Ewe's Milk And Different Salting Techniques On The Quality Properties Of Maraş Cheese, O. Cenap Teki̇nşen, Mustafa Atasever, Abdullah Keleş, Gürkan Uçar
Effects Of The Use Of Cow's And Ewe's Milk And Different Salting Techniques On The Quality Properties Of Maraş Cheese, O. Cenap Teki̇nşen, Mustafa Atasever, Abdullah Keleş, Gürkan Uçar
Turkish Journal of Veterinary & Animal Sciences
Different salting techniques were used on Maraş cheese samples produced from cow's, ewe's and a mixture (1:1) of cow and ewe's milk. In the first group, samples were immersed 22% the brine solution for 3 hours then transferred into 10 % brine solution. In the second group, samples were salted with 1 % dry salt and after 24 hours were immersed in 13 % brine solution. The cheese samples were analysed for chemical, microbiological and sensory properties on the first day of production and after 15, 30, 60 and 90 days of ripening. There were no statistical differences in the …
Interrelationships Between Some Quantitative Characters In Different Lines Of Silkworm (Bombyx Mori), Ümran Şahan, Tahsi̇n Kesi̇ci̇, Yildirim Bağci
Interrelationships Between Some Quantitative Characters In Different Lines Of Silkworm (Bombyx Mori), Ümran Şahan, Tahsi̇n Kesi̇ci̇, Yildirim Bağci
Turkish Journal of Veterinary & Animal Sciences
This research was conducted to find out the characteristics related with cocoon and egg yield and correlaitions between these important characters in B8 (Japan) and Tokai (Chinese) breeds of silkworm. The relation between mounting weight and cocoon yield traits and the possibility of using them in selection were also investigated. The silkworms of the B8 line proved to be superior to Tokai with regard to mounting weight and pupal weight traits (P
Investigation On The Viability Span Of Listeria Monocytogenes During The Ripening Of Brined Şavak Cheese, Bahri̇ Patir, Aba Müslüm Güven
Investigation On The Viability Span Of Listeria Monocytogenes During The Ripening Of Brined Şavak Cheese, Bahri̇ Patir, Aba Müslüm Güven
Turkish Journal of Veterinary & Animal Sciences
The purpose of this study was to determine the viability span of listeria monocytogenes during the ripening of brined şavak white cheese which is produced by and has a significant role in the nutrition of people living in Elazığ, Tunceli, Bingöl and Erzincan. Ewes milk was inoculated with various strains (4b, 1/2c and 1/2a) of listeria monocytogenes at the rate of 1.00x10^3 - 1.35x10^6 cells/ml and then şavak cheese was produced from the milk. The cheese samples were analysed after 0, 15, 30, 60, 90 and 120 days of ripening for the numbers of listeria monocytogenes with the direct plating …
Macroscopic And Microscopic Changes In Turkey Embryos Infected With Infectious Bursal Disease (Ibd; Gumboro Disease) Virus, Enver Beytut, Nursal Meti̇n
Macroscopic And Microscopic Changes In Turkey Embryos Infected With Infectious Bursal Disease (Ibd; Gumboro Disease) Virus, Enver Beytut, Nursal Meti̇n
Turkish Journal of Veterinary & Animal Sciences
The purpose of this study was to determine the susceptibility of turkey embryos to the chicken isolate of Infectious Bursal Disease Virus (IBDV) and to investigate the morphologic changes occured particularly in bursa of Fabricius (BF) and some visceral organs. In the study, 178 embryonated turkey eggs and 28th passage of the virus from chicken embryo were used. Doses of 0.1 ml from the viral suspension were inoculated into yolk sac (YS) and allantoic cavity (AC), respectively on 13th and 15th days of incubation. The deaths in the infected embryos occured especially between 3rd and 7th days of inoculation and …