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Articles 781 - 810 of 1739
Full-Text Articles in Life Sciences
Melatonin And Other Factors That Promote Rooting And Sprouting Of Shoot Cuttings In Punica Granatum Cv. Wonderful, Eirini Sarrou, Ioannis Therios, Kortessa Dimassi-Theriou
Melatonin And Other Factors That Promote Rooting And Sprouting Of Shoot Cuttings In Punica Granatum Cv. Wonderful, Eirini Sarrou, Ioannis Therios, Kortessa Dimassi-Theriou
Turkish Journal of Botany
The agricultural and medicinal plant pomegranate (Punica granatum L. cv. Wonderful) was studied to examine the effects of wounding of cuttings and to test the effects of different concentrations of indole-3-butyric acid (IBA), gibberellic acid (GA_{3}), hydrogen peroxide (H_{2}O_{2}), melatonin (MEL), and ascorbic acid (ASC) on rooting of the shoot cuttings under mist. The data indicated that IBA had a positive influence on the rooting percentage in wounded and nonwounded cuttings. The best rooting was achieved with very thin cuttings (3-4 mm in diameter). The percentage of rooting (100.0 ± 0.0) and the number of roots per plant (15.2 ± …
Protein Mobilisation And Proteolytic Activities In Root Tubers Of Asphodelus Aestivus, Serap Kirmizi, Gürcan Güleryüz, Hülya Arslan
Protein Mobilisation And Proteolytic Activities In Root Tubers Of Asphodelus Aestivus, Serap Kirmizi, Gürcan Güleryüz, Hülya Arslan
Turkish Journal of Botany
We studied protein mobilisation in Asphodelus aestivus Brot. (Liliaceae) during a 1-year period. The activities of 3 proteolytic enzymes, endopeptidase (EP), leucine aminopeptidase (LAP), and carboxypeptidase (CP), together with soluble protein levels and total nitrogen and water content in root tubers were investigated. We found that protein mobilisation continued throughout the year. The highest levels of the 3 proteolytic enzymes were found in different months: LAP in December (1.19 ± 0.19 µmol pNA/g FW), CP in February (14.19 ± 1.13 µmol Leu/g FW), and EP in May (5.18 ± 0.12 U/h). Activities of LAP and CP generally reached their higher …
Growth Response And Soil-Plant Water Relations Of 4 Dominant Psammophyte Species With Soil Moisture In Central Inner Mongolia, Yuanrun Zheng, Lianhe Jiang, Yong Gao, Xi Chen, Geping Luo, Xianwei Feng, Hideyuki Shimizu
Growth Response And Soil-Plant Water Relations Of 4 Dominant Psammophyte Species With Soil Moisture In Central Inner Mongolia, Yuanrun Zheng, Lianhe Jiang, Yong Gao, Xi Chen, Geping Luo, Xianwei Feng, Hideyuki Shimizu
Turkish Journal of Botany
Soil-plant water relations are crucial for understanding the mechanisms by which plants adapt to their environments. An experiment was conducted to understand the responses of 4 dominant psammophyte shrub species to different sandy environments. Pots were filled with tap water or sand, and pots planted with different species and filled with sand with and without pot covers were kept in 4 growth cabinets at 15/25 °C and with a water supply of 75 mm per month. Soil water content; dry weights of roots, shoots, and leaves; and leaf area were measured. The relative growth rate (0.039-0.042 g g^{-1} day^{-1}) was …
Phylogeny Of The Genus Potentilla (Rosaceae) In Iran Based On Nrdna Its And Cpdna Trnl-F Sequences With A Focus On Leaf And Style Characters’ Evolution, Marzieh Beygom Faghir, Farideh Attar, Ali Farazmand, Shahrokh Kazempour Osaloo
Phylogeny Of The Genus Potentilla (Rosaceae) In Iran Based On Nrdna Its And Cpdna Trnl-F Sequences With A Focus On Leaf And Style Characters’ Evolution, Marzieh Beygom Faghir, Farideh Attar, Ali Farazmand, Shahrokh Kazempour Osaloo
Turkish Journal of Botany
The present survey reports maximum parsimony (MP) and Bayesian phylogenetic analyses of the genus Potentilla L. in Iran using the internal transcribed spacer (ITS) of nuclear ribosomal DNA and the trnL-F intergenic region of chloroplast DNA. A total of 25 taxa from 9 sections, 2 intersectional hybrids, and 4 related genera of Iranian taxa plus 40 previously sequenced data were analyzed for both trnL-F and nrDNA ITS regions. Individual and combined analysis of ITS and trnL/F data revealed monophyly of the genus Potentilla. The Potentilla core group was composed of monophyletic subclades of the sections Persicae (Th.Wolf) Juz., Potentilla, Micranthae …
Genetic Stability In A Predominating Turkish Olive Cultivar, Gemlik, Assessed By Rapd, Microsatellite, And Aflp Marker Systems, Ufuk Çeli̇kkol Akçay, Gülcan Özkan, Beki̇r Şan, Oğuz Dolgun, Ayhan Dağdelen, Di̇lşat Bozdoğan Konuşkan
Genetic Stability In A Predominating Turkish Olive Cultivar, Gemlik, Assessed By Rapd, Microsatellite, And Aflp Marker Systems, Ufuk Çeli̇kkol Akçay, Gülcan Özkan, Beki̇r Şan, Oğuz Dolgun, Ayhan Dağdelen, Di̇lşat Bozdoğan Konuşkan
Turkish Journal of Botany
Olive (Olea europaea L.) is an important fruit crop, with many health promoting properties being continuously discovered. World demand for both the fruit and olive oil is increasing in pace and hence countries try to meet the demand by disseminating 1 or 2 productive and adaptive cultivars to different regions formerly dominated by local cultivars. This study was performed to investigate the level of diversity in a very productive and adaptive cultivar, Gemlik, which has started to dominate most of the olive growing regions of Turkey. Three different marker systems, namely microsatellites (SSR), RAPD, and AFLP, with 15, 20, and …
Treatment With 24-Epibrassinolide Mitigates Nacl-Induced Toxicity By Enhancing Carbohydrate Metabolism, Osmolyte Accumulation, And Antioxidant Activity In Pisum Sativum, Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Francisco Garcia-Sanchez, Vicente Gimeno, Tahira Abbas, Neil Scott Mattson, Atif Riaz
Treatment With 24-Epibrassinolide Mitigates Nacl-Induced Toxicity By Enhancing Carbohydrate Metabolism, Osmolyte Accumulation, And Antioxidant Activity In Pisum Sativum, Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Francisco Garcia-Sanchez, Vicente Gimeno, Tahira Abbas, Neil Scott Mattson, Atif Riaz
Turkish Journal of Botany
A pot culture study was performed to evaluate the differences between salt-stressed pea (Pisum sativum L.) plants of tolerant (Climax and Samarina Zard) and sensitive (Ambassidar and PF-400) genotypes, and to determine whether treatment with 24-epibrassinolide (EBL) could enhance the accumulation of osmolytes and antioxidant activity and thereby induce tolerance in salt-stressed plants. Three-week-old seedlings were subjected to +NaCl (5 dS m^-1) and -NaCl conditions (0 dS m^-1). After 4 days of salt stress, the plants were sprayed with Milli-Q water or EBL (0.125 mg L^-1). The plants were sampled at 32 days after sowing and at the final maturity …
The Effects Of Arbuscular Mycorrhizal Inoculations And Cotyledon Removal On Early Seedling Growth Of Pongamia Pinnata, Anuradha Jha, Madhvi Kamalvanshi, Anil Kumar, Neha Chakravarty, Ashok Shukla, Shiv Kumar Dhyani
The Effects Of Arbuscular Mycorrhizal Inoculations And Cotyledon Removal On Early Seedling Growth Of Pongamia Pinnata, Anuradha Jha, Madhvi Kamalvanshi, Anil Kumar, Neha Chakravarty, Ashok Shukla, Shiv Kumar Dhyani
Turkish Journal of Botany
Pongamia pinnata (L.) Pierre, a fast-growing oil-seed-producing tree legume, has the ability to grow on wastelands. It can be utilized for biofuel plantation on such lands. The preconditioning of young seedlings during the early stage of development with efficient arbuscular mycorrhizal fungi (AMF) confers several benefits enhancing the possibility of their establishment in fields after outplanting from nurseries. However, before recommending these fungi for inoculation, the suitable AMF species must be identified. Therefore, to determine the potential AMF species, 9 purified fungi (isolated from different sites) were tested for their growth promotion activity. The inoculated fungi were not able to …
Sem Analysis Of The Epibenthic Diatoms On Eudendrium Racemosum (Hydrozoa) From The Mediterranean Sea, Tiziana Romagnoli, Cecilia Totti, Stefano Accoroni, Mario De Stefano, Chiara Pennesi
Sem Analysis Of The Epibenthic Diatoms On Eudendrium Racemosum (Hydrozoa) From The Mediterranean Sea, Tiziana Romagnoli, Cecilia Totti, Stefano Accoroni, Mario De Stefano, Chiara Pennesi
Turkish Journal of Botany
In this work, the valve fine structure, morphology, and dimensions of the epibenthic diatoms living on the marine hydroid Eudendrium racemosum Cavolini were investigated through SEM analysis. Hydroid samples were collected from the Ligurian Sea (Mediterranean Sea), from October 2002 to October 2003, with monthly frequency, allowing definition of the annual cycle of diatom communities. Following several taxonomic/systematic papers, this floristics paper documents 32 new records of diatoms (13 araphid, 17 biraphid, 2 monoraphid), which have been classified into different growth forms (adnate, erect, motile, tube-dwelling). Moreover, new information on morphologic data and biodiversity in the Mediterranean Sea are offered, …
An Alternative Approach In Sectioning Of Archaeological Woods: The Case Of Quercus Pontica, Bedri̇ Serdar, Reha Mazlum
An Alternative Approach In Sectioning Of Archaeological Woods: The Case Of Quercus Pontica, Bedri̇ Serdar, Reha Mazlum
Turkish Journal of Botany
An alternative approach to the sectioning of archaeological woods is presented in this paper. The samples that we study were obtained through the excavations carried out in Yenikapı (Marmaray), İstanbul. Neolithic-aged wood samples were studied and identified using the frozen sliding microtome method. This method was utilized for the cross-sectioning of a leaf in 1984 for the first time. This work extends its usage by exploiting the method for the purpose of sectioning Neolithic-aged wood samples and providing a case of Quercus pontica C.Koch.
Arenaria Microcalyx (Caryophyllaceae), A New Species From Turkey, Murat Koç, Ergi̇n Hamzaoğlu, Fatma Neri̇man Özhatay
Arenaria Microcalyx (Caryophyllaceae), A New Species From Turkey, Murat Koç, Ergi̇n Hamzaoğlu, Fatma Neri̇man Özhatay
Turkish Journal of Botany
Arenaria microcalyx M.Koç & Hamzaoğlu (Caryophyllaceae) is described as a new species of subgen. Arenaria L. in Turkey. The specimens were collected from Kaş (Antalya). The new species is related to Arenaria leptoclados (Rchb.) Guss. and is an endemic species that has a distribution in the Mediterranean region. The differences between the species are discussed. Description, distribution, illustration, and conservation status of the new species are given. Seeds structures were examined by scanning electron microscopy.
Caryopsis Micromorphological Survey Of The Genus Themeda (Poaceae) And Allied Spathaceous Genera In The Andropogoneae, Yu Zhang, Xiaoying Hu, Yunxiao Liu, Qing Liu
Caryopsis Micromorphological Survey Of The Genus Themeda (Poaceae) And Allied Spathaceous Genera In The Andropogoneae, Yu Zhang, Xiaoying Hu, Yunxiao Liu, Qing Liu
Turkish Journal of Botany
A caryopsis micromorphological survey of 15 species of the genus Themeda Forssk. (Poaceae) and 4 species of allied spathaceous genera in tribe Andropogoneae allowed the recognition of 2 types of caryopses based on the ventral face and embryo shape for the first time. One kind of caryopsis had a concave ventral face with a grooved embryo, and the other kind of caryopsis had a flat ventral face with a keel-shaped embryo. Although the ventral face and embryo shapes had limited taxonomic value at the infrageneric level, the caryopsis shapes, embryo proportion, and sculpturing patterns were found to be valuable taxonomic …
Orthotrichum Pamiricum (Bryophyta), A New Epiphytic Moss Species From Pamir Mountains In Central Asia, Vitezslav Plasek, Jakub Sawicki, Lukas Cihal
Orthotrichum Pamiricum (Bryophyta), A New Epiphytic Moss Species From Pamir Mountains In Central Asia, Vitezslav Plasek, Jakub Sawicki, Lukas Cihal
Turkish Journal of Botany
Orthotrichum pamiricum Plasek & Sawicki is described as a new species from the western foothills of the Pamir Mountains of the Tajik-Afghan border in Central Asia. It is placed in Orthotrichum Hedw. subg. Pulchella (Schimp.) Vitt. The species is characterized by obtuse leaf apices, cryptoporous stomata, an exostome composed of 8 pairs of the teeth that are recurved when dry, and an endostome with 16 thin and incurved segments. Molecular data indicating the phylogenetic placement of O. pamiricum are also presented.
Molecular Variability Of Plantain Ecotypes From The Genus Musa (Musaceae), Rakeshkumar Choudhary, Raghunath Keshavachandran, Rema Menon, Ganesh Khalekar, Nirbhay Singh, Divya Maruthiyottu
Molecular Variability Of Plantain Ecotypes From The Genus Musa (Musaceae), Rakeshkumar Choudhary, Raghunath Keshavachandran, Rema Menon, Ganesh Khalekar, Nirbhay Singh, Divya Maruthiyottu
Turkish Journal of Botany
Twelve plantain ecotypes were characterized for molecular variability using random amplified polymorphic DNA (RAPD) and inter simple sequence repeat (ISSR) markers. Out of the 60 RAPD and 40 ISSR primers tested, 16 RAPD and 14 ISSR primers were found polymorphic, and were used for molecular profiling of the plantain ecotypes. The average number of bands per primer, average number of polymorphic bands per primer, mean polymorphic information content (PIC) value, resolving power (Rp), and marker indices (MI) for RAPD primers were 8.63, 3.25, 0.87, 15.49, and 2.86, whereas the respective values for the ISSR assay were 7.93, 4.14, 0.85, 12.49, …
Exogenous Proline And Proline-Enriched Lolium Perenne Leaf Extract Protects Against Phytotoxic Effects Of Nickel And Salinity In Pisum Sativum By Altering Polyamine Metabolism In Leaves, Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Tahira Abbas, Muhammad Anjum Aqeel, Muhammad Mansoor Javaid, Francisco Garcia-Sanchez
Exogenous Proline And Proline-Enriched Lolium Perenne Leaf Extract Protects Against Phytotoxic Effects Of Nickel And Salinity In Pisum Sativum By Altering Polyamine Metabolism In Leaves, Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Tahira Abbas, Muhammad Anjum Aqeel, Muhammad Mansoor Javaid, Francisco Garcia-Sanchez
Turkish Journal of Botany
Pea plants (Pisum sativum L.) were exposed to NaCl and/or NiCl_2 stress to investigate whether pure proline and Lolium perenne L. (LP) leaf extract could efficaciously protect against the phytotoxicity generated by nickel and/or salinity stress in pea. Both stress factors (salinity and nickel) significantly inhibited growth, total chlorophyll content, photosynthetic activity, stomatal conductance, intercellular CO_2 level, relative water content (RWC), and membrane stability index (MSI). However, superoxide, hydrogen peroxide, proline, glycine betaine, total free amino acids, total soluble sugars, total phenolic compounds, tocopherol contents, lipid peroxidation, and electrolyte leakage were significantly increased. Similarly, free, soluble-conjugated, and insoluble-bound polyamine contents …
Pollen Morphology Of Hymenosphace And Aethiopis Sections Of The Genus Salvia (Lamiaceae) In Turkey, Hülya Özler, Sevi̇l Pehli̇van, Ferhat Celep, Musa Doğan, Ahmet Kahraman, Ahter Fi̇şne, Bi̇rol Başer, Safi Bagherpour
Pollen Morphology Of Hymenosphace And Aethiopis Sections Of The Genus Salvia (Lamiaceae) In Turkey, Hülya Özler, Sevi̇l Pehli̇van, Ferhat Celep, Musa Doğan, Ahmet Kahraman, Ahter Fi̇şne, Bi̇rol Başer, Safi Bagherpour
Turkish Journal of Botany
Palynological characteristics of 30 Salvia taxa in sections Hymenosphace and Aethiopis from Turkey were investigated by light and scanning electron microscopy. S. aethiopis (sect. Aethiopis) has the smallest pollen while S. blepharochlaena (sect. Hymenosphace) has the largest pollen. The basic shape of the pollen grains in most taxa is suboblate, oblate-spheroidal, or prolate-spheroidal to spheroidal; however, subprolate pollen grains are occasionally are found in S. cassia of sect. Aethiopis. Hexacolpate pollen is dominant in all studied taxa, but heptacolpate and octacolpate pollen grains are mixed together in S. palaestina (heptacolpate, 20%) and S. candidissima subsp. candidissima (heptacolpate, 2% and octacolpate, …
A Phytosociological Study Of The Forest, Shrub, And Steppe Vegetation Of Kızıldağ And Environs (Isparta, Turkey), Coşkun Sağlam
A Phytosociological Study Of The Forest, Shrub, And Steppe Vegetation Of Kızıldağ And Environs (Isparta, Turkey), Coşkun Sağlam
Turkish Journal of Botany
The phytosociological properties of the forest, shrub, and steppe vegetation of Kızıldağ (Isparta province) were investigated in 2010 and 2011. The vegetation of the area was analysed using a 3-dimensional ordination technique based on the Braun-Blanquet method. As a result, 5 new plant associations were determined as belonging to forest, shrub, and steppe vegetation and classified syntaxonomically. The associations and their higher units are as follows. Quercetea-Pubescentis Doingt Kraft 1955. Querco-Cedretalia libani Barbéro, Loisel & Quézel 1974. 1. Meliloto bicoloris-Quercetum cocciferae ass. nova. 2. Hyperico heterophylli-Cistetum laurifolii ass. nova. 3. Atraphaxo billardieri-Amygdaletum orientalii ass. nova. Abieto-Cedrion Akman, Barbéro & Quézel …
Bark Anatomy And Cell Size Variation In Quercus Faginea, Teresa Quilhó, Vicelina Sousa, Fatima Tavares, Helena Pereira
Bark Anatomy And Cell Size Variation In Quercus Faginea, Teresa Quilhó, Vicelina Sousa, Fatima Tavares, Helena Pereira
Turkish Journal of Botany
The bark structure of Quercus faginea Lam. in trees 30-60 years old grown in Portugal is described. The rhytidome consists of 3-5 sequential periderms alternating with secondary phloem. The phellem is composed of 2-5 layers of cells with thin suberised walls and narrow (1-3 seriate) tangential band of lignified thick-walled cells. The phelloderm is thin (2-3 seriate). Secondary phloem is formed by a few tangential bands of fibres alternating with bands of sieve elements and axial parenchyma. Formation of conspicuous sclereids and the dilatation growth (proliferation and enlargement of parenchyma cells) affect the bark structure. Fused phloem rays give rise …
Seed-Coat Microsculpturing Of Turkish Lepidium (Brassicaceae) And Its Systematic Application, Mehmet Bona
Seed-Coat Microsculpturing Of Turkish Lepidium (Brassicaceae) And Its Systematic Application, Mehmet Bona
Turkish Journal of Botany
This article investigates the seed exomorphic characteristics of 14 taxa of Lepidium L. in Brassicaceae by light microscope and scanning electron microscope (SEM). The exomorphic characteristics of the seed are size, seed shape, seed colour, seed wings, and seed surface pattern. All characteristics of the seeds are described, illustrated, and compared in this article. The results of SEM at higher magnification showed 6 types of seed surface patterns: tuberculate, reticulate, ruminate, reticulate-tuberculate, reticulate-areolate, and reticulate-fovate. In these seed surface patterns, there were diagnostic characteristics and differences at the specific level for Lepidium.
The Revision Of Genus Seseli (Umbelliferae) In Turkey, Ebru Doğan Güner, Hayri̇ Duman
The Revision Of Genus Seseli (Umbelliferae) In Turkey, Ebru Doğan Güner, Hayri̇ Duman
Turkish Journal of Botany
Seseli L. is represented by 12 taxa (species and subspecies) in the Flora of Turkey. On the basis of morphological examination and field investigation, we have revised the genus Seseli in Turkey. The following are provided for each taxon: a description, along with the complete synonymy and notes on nomenclature, geographical distribution, habitat, IUCN conservation status assessment, and selected materials examined. Two new species from Turkey, Seseli marashica E.Doğan & H.Duman and S. serpentina B.L.Burtt ex H.Duman & E.Doğan, are also described. One taxon is reduced to synonymy: S. paphlagonicum Pimenov & Kljuykov is a synonym of S. gummiferum Pallas …
Characterisation Of Synthetically Developed Cry1ab Gene In Transgenic Tobacco Chloroplasts, Safdar Ali Mirza, Muhammad Sarwar Khan
Characterisation Of Synthetically Developed Cry1ab Gene In Transgenic Tobacco Chloroplasts, Safdar Ali Mirza, Muhammad Sarwar Khan
Turkish Journal of Botany
Synthetic cry1Ab gene was developed with optimised codons and expressed in the tobacco plastome. Characterisation of the synthetic cry1Ab gene was carried out on homoplasmic transgenic shoots. To purify the homoplasmic shoots, the proliferating heteroplasmic shoots were subjected to various rounds of selection and regeneration on spectinomycin-containing regeneration medium of plant medium. The PCR-screened homoplasmic shoots were placed on MS medium for root induction and proliferation. The functionally expressed CRY protein was detected using ImmunoStrips, and the amount of toxin protein in transplastomic tobacco plants was measured by DAS-ELISA, specific for cry1Ab gene product. The accumulation of Bacillus thuringiensis (Bt) …
Three Pyronemataceous Macrofungi Genera New To Turkish Mycota, Ilgaz Akata, Abdullah Kaya
Three Pyronemataceous Macrofungi Genera New To Turkish Mycota, Ilgaz Akata, Abdullah Kaya
Turkish Journal of Botany
Three pyronemataceous macrofungi genera, Acervus Kanouse, Neottiella (Cooke) Sacc., and Rhodoscypha Dissing & Sivertsen, are recorded for the first time from Turkey, based on the collection of Acervus epispartius (Berk. & Broome) Pfister, Neottiella rutilans (Fr.) Dennis, and Rhodoscypha ovilla (Peck) Dissing & Sivertsen. Short descriptions of the taxa are provided together with photographs related to macro- and micromorphologies.
Genetic Fidelity Assessment Of Encapsulated In Vitro Tissues Of Bacopa Monnieri After 6 Months Of Storage By Using Issr And Rapd Markers, Joe Virgin Largia Muthiah, Karutha Pandian Shunmugiah, Ramesh Manikandan
Genetic Fidelity Assessment Of Encapsulated In Vitro Tissues Of Bacopa Monnieri After 6 Months Of Storage By Using Issr And Rapd Markers, Joe Virgin Largia Muthiah, Karutha Pandian Shunmugiah, Ramesh Manikandan
Turkish Journal of Botany
The present study has investigated the efficiency of regrowth of Bacopa monnieri (L.) Pennell after 6 months of storage along with its clonal fidelity checking. Shoot tips and nodal segments of in vitro grown plantlets were encapsulated and stored at different temperatures and the highest regeneration was achieved by storing shoot tips at 4 °C for a period of 6 months. The response of shoot tips was found to be much better when compared to nodal segments in the case of forming healthy shoots and roots. The genetic stability of regrown plantlets was analysed by using RAPD and ISSR markers. …
Asperula Anatolica (Rubiaceae), A New Species From South-East Anatolia, Turkey, Meryem Şeker
Asperula Anatolica (Rubiaceae), A New Species From South-East Anatolia, Turkey, Meryem Şeker
Turkish Journal of Botany
A new species, Asperula anatolica M.Ozturk (Rubiaceae), is described from south-east Turkey. A. anatolica grows on limestone bedrock, in Uludere District (C9 Şırnak Province). It is an endemic confined to south-east Anatolia, and it is related to A. comosa Schönb.-Tem in the section Cruciana. Asperula anatolica is distinct from a closely allied species, A. comosa, by its inflorescence, indumentum, corolla lobes and shape, bracts, bracteoles, internodes, seed coat surface, and pollen grains. Photos of the new species are provided, and observations on the population are discussed. Special attention is also given to its ecology and conservation status. In addition, pollen …
Physiological Responses To Nitrate Stress Of Transgenic Tobacco Plants Harbouring The Cucumber Mitogen-Activated Protein Kinase Gene, Huini Xu, Xudong Sun, Xiaoyu Yang, Qinghua Shi, Xiufeng Wang
Physiological Responses To Nitrate Stress Of Transgenic Tobacco Plants Harbouring The Cucumber Mitogen-Activated Protein Kinase Gene, Huini Xu, Xudong Sun, Xiaoyu Yang, Qinghua Shi, Xiufeng Wang
Turkish Journal of Botany
The physiological responses to nitrate stress of 2 transgenic tobacco lines containing the cucumber mitogen-activated protein kinase (CsNMAPK) gene were investigated. Seed germination rates of the transgenic tobacco lines were higher than that of the wild type (WT) tobacco under 150 mM nitrate treatment. The transgenic seedlings had higher root fresh weight (FW) and dry weight (DW) than the WT plants after 98 mM and 182 mM nitrate treatment. The malondialdehyde (MDA) content, electrolytic leakage (EL), and H_{2}O_2 content were higher in the WT than they were in the transgenic plants after 7-day nitrate stress treatment. The antioxidant enzyme (superoxide …
The Revision Of The Genus Oxytropis (Leguminosae) In Turkey, Seher Karaman Erkul, Zeki̇ Aytaç
The Revision Of The Genus Oxytropis (Leguminosae) In Turkey, Seher Karaman Erkul, Zeki̇ Aytaç
Turkish Journal of Botany
A taxonomic revision of the genus Oxytropis DC. (Leguminosae) in Turkey is presented. According to the recent literature, the genus had 13 taxa in Turkey; however, at the end of our studies the number was reduced to 11. It was determined that Oxytropis engizekensis Duman & Vural is a synonym of O. persica Boiss., and O. fominii Grossh. is a synonym of O. argyroleuca Bornm. Red List categories of the taxa were re-evaluated according to our results based on IUCN Red List categories. The Red List categories of O. pallasii Pers. and O. pilosa (L.) DC., which are ascribed as …
Soil-Plant Relations In The Annual Gypsophila (Caryopyhllaceae) Taxa Of Turkey, Mustafa Korkmaz, Hasan Özçeli̇k
Soil-Plant Relations In The Annual Gypsophila (Caryopyhllaceae) Taxa Of Turkey, Mustafa Korkmaz, Hasan Özçeli̇k
Turkish Journal of Botany
The soil properties of the annual Gypsophila L. taxa of Turkey and their effects on plant morphology were investigated. The taxa studied were Gypsophila heteropoda Freyn & Sint., G. parva Barkoudah, G. elegans M.Bieb., G. bitlisensis Barkoudah, G. viscosa Murray, G. antari Post & Beauverd, G. muralis L., G. tubulosa (Jaub. & Spach) Boiss., G. confertifolia Hub.-Mor., and G. pilosa Hudson. The soils of the plant taxa were medium textured, sand or sandy-loam, saltless or a little salty, neutral, limy, rich in potassium and with very little phosphorous, and with medium levels of nitrogen and organic matter. G. antari, which …
Patterns Of Aquatic Macrophyte Species Composition And Distribution In Bulgarian Rivers, Gana Gecheva, Lilyana Yurukova, Svetoslav Cheshmedjiev
Patterns Of Aquatic Macrophyte Species Composition And Distribution In Bulgarian Rivers, Gana Gecheva, Lilyana Yurukova, Svetoslav Cheshmedjiev
Turkish Journal of Botany
The composition of aquatic bryophyte and vascular plant assemblages, and 4 environmental variables (water velocity, shading, mean depth, and substrate type), together with altitude, ecological status, and river type were monitored at 223 sites along 204 rivers during 2009 in the Pontic Province and Eastern Balkan Ecoregions, Bulgaria. The relationships between macrophytes themselves and the parameters studied were tested. Forty-nine bryophytes and 86 vascular plants were identified. Canonical correspondence analysis (CCA) showed that aquatic bryophytes and vascular plants are in inverse correlation. Bryophytes occurred mainly in conditions of higher altitude and ecological status; at the same time vascular plants were …
Spatial Pattern Analysis Of Peganum Harmala On The Salted Lower Chelif Plain, Algeria, Adda Ababou, Mohammed Chouieb, Abdelkader Bouthiba, Djamel Saidi, Mahfoud M'Hamedi Bouzina, Khalladi Mederbal
Spatial Pattern Analysis Of Peganum Harmala On The Salted Lower Chelif Plain, Algeria, Adda Ababou, Mohammed Chouieb, Abdelkader Bouthiba, Djamel Saidi, Mahfoud M'Hamedi Bouzina, Khalladi Mederbal
Turkish Journal of Botany
Peganum harmala L. (Zygophyllaceae), native to arid and semiarid rangeland, has been widely studied biochemically, pharmaceutically, and medicinally, but is largely unknown ecologically. In the lower Chelif, Algeria, this plant is largely present and shows a clear clumped pattern, which indicates the strong effects of environmental conditions. Our redundancy analysis showed that the geographic distribution of this species was positively correlated with sand and pH and negatively correlated with conductivity, Na^+, and clay. The Gaussian model suggested that 9.4 mmhos/cm conductivity and sand contents greater than 40% are optimum for this plant. The spatial distribution map obtained through the kriging …
Physiological And Ultrastructural Studies On Calcium Oxalate Crystal Formation In Some Plants, Fayza Faheed, Ahmed Mazen, Shereen Abd Elmohsen
Physiological And Ultrastructural Studies On Calcium Oxalate Crystal Formation In Some Plants, Fayza Faheed, Ahmed Mazen, Shereen Abd Elmohsen
Turkish Journal of Botany
Results from light, scanning, and transmission electron microscopic examination of CaOx crystal formation in 2 plant species, namely Corchorus olitorius L. and Malva parviflora L., revealed the presence of crystalline deposits. These deposits were of prismatic type in the case of C. olitorius and of druse type in the case of M. parviflora. Ultrastructurally, some differences were observed between crystal idioblast and noncrystal cells. Moreover, the effect of heavy metals and different calcium concentrations on the growth of calcium oxalate crystals in leaves of the 2 plants was investigated. Different analytical techniques were used to determine the influence of exogenous …
Spindle Irregularities, Chromatin Transfer, And Chromatin Stickiness During Male Meiosis In Anemone Tetrasepala (Ranunculaceae), Pawan Kumar Rana, Puneet Kumar, Vijay Kumar Singhal
Spindle Irregularities, Chromatin Transfer, And Chromatin Stickiness During Male Meiosis In Anemone Tetrasepala (Ranunculaceae), Pawan Kumar Rana, Puneet Kumar, Vijay Kumar Singhal
Turkish Journal of Botany
Detailed cytological investigations performed in Anemone tetrasepala Royle from the Pangi Valley revealed the presence of various irregularities (spindle irregularities, chromatin transfer, chromatin stickiness, and nonsynchronous condensation of chromatin material) for the first time in the species that existed at diploid level (2n = 14). Spindle irregularities resulted in dyads, triads, polyads, and micronuclei in sporads during microsporogenesis and variable sized pollen grains and reduced fertility in pollen grains (85.38%). Direct fusion among proximate meiocytes resulted in the formation of syncyte pollen mother cells. Such syncytes yielded jumbo-sized pollen grains that were surely of unreduced nature in their genetic constitution. …