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2015

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Articles 301 - 330 of 334

Full-Text Articles in Botany

New Species Of Aporomyces, Walter Rossi, Sergi Santamaria Jan 2015

New Species Of Aporomyces, Walter Rossi, Sergi Santamaria

Turkish Journal of Botany

Three new species of Aporomyces (Laboulbeniomycetes) parasitic on beetles from Ecuador are described. These are A. aequatorialis, parasitic on Byrrhinus near B. plenus (Limnichidae); A. benjaminii, parasitic on Plagiogramma sp. (Histeridae); and A. maximus, parasitic on Byrrhinus cf. maculatus. A key to all the species in the genus Aporomyces is given.

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Differentiation Of Globular Phytoliths In Arecaceae And Other Monocotyledons: Morphological Description For Paleobotanical Application, Maria Laura Benvenuto, Mariana Fernandez Honaine, Margarita Luisa Osterrieth, Eduardo Morel Jan 2015

Differentiation Of Globular Phytoliths In Arecaceae And Other Monocotyledons: Morphological Description For Paleobotanical Application, Maria Laura Benvenuto, Mariana Fernandez Honaine, Margarita Luisa Osterrieth, Eduardo Morel

Turkish Journal of Botany

Globular phytoliths have been mainly assigned to palms, woody trees, and other monocotyledon families from tropical regions. The lack of detailed descriptions of this phytolith morphology and its correct assignments to particular groups could lead to erroneous interpretations of phytolith records. In order to improve paleobotanical interpretations of phytoliths records, we analyzed the phytolith content and described the quantitative and qualitative characters of globular phytoliths of Arecaceae, Bromeliaceae, Cannaceae, Marantaceae, Orchidaceae, Strelitziaceae, and Zingiberaceae species from Argentina. Phytoliths were extracted by calcination and multivariate analyses were used to analyze their taxonomic relevance. Phytolith assemblages allowed the differentiation 1) among Zingiberales …

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Turkish Truffles I: 18 New Records For Turkey, Azi̇z Türkoğlu, Michael Angelo Castellano, James Martin Trappe, Mehri̇can Yaratanakul Güngör Jan 2015

Turkish Truffles I: 18 New Records For Turkey, Azi̇z Türkoğlu, Michael Angelo Castellano, James Martin Trappe, Mehri̇can Yaratanakul Güngör

Turkish Journal of Botany

We report the first records of 18 truffle species in Turkey. Three belong to the Ascomycota: Elaphomyces leucocarpus, E. muricatus, and Genea sphaerica; and 15 to the Basidiomycota: Alpova corsicus, Gautieria otthii, G. retirugosa, G. trabutii, Hymenogaster citrinus, H. hessei, H. luteus, H. lycoperdineus, Hysterangium clathroides, H. epiroticum, H. fragile, H. nephriticum, Leucogaster tozzianus, Octaviania asterosperma, and Protoglossum aromaticum. We also report new localities within Turkey for Picoa juniperi, P. lefebvrei, Geopora cooperi, Terfezia arenaria, T. claveryi, Tuber aestivum, and T. nitidum in the Ascomycota; and Leucogaster nudus, Hymenogaster thwaitesii, H. vulgaris, and Melanogaster broomeanus in the Basidiomycota.

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Unraveling The Taxonomy And Nomenclature Of The Isoetes Histrix Bory Species Complex (Isoetaceae, Lycopodiidae), Simonetta Bagella, Lorenzo Peruzzi, Maria Carmela Caria, Rossella Filigheddu Jan 2015

Unraveling The Taxonomy And Nomenclature Of The Isoetes Histrix Bory Species Complex (Isoetaceae, Lycopodiidae), Simonetta Bagella, Lorenzo Peruzzi, Maria Carmela Caria, Rossella Filigheddu

Turkish Journal of Botany

Based on study of the lectotype of Cephaloceraton gymnocarpum Gennari, megaspore ornamentation, and chromosome number analysis of specimens from different Mediterranean areas, it is shown here that Isoetes gymnocarpa (Gennari) A.Braun is a species endemic to Sardinia, Central Italy, Corsica, and Baleares, different from the Mediterranean I. histrix Bory and from the mainly CE Mediterranean I. sicula Tod. (= I. subinermis (Gennari) Cesca & Peruzzi).

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Foliar Spray Of Phyto-Extracts Supplemented With Silicon: An Efficacious Strategy To Alleviate The Salinity-Induced Deleterious Effects In Pea (Pisum Sativum L.), Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Tahira Abbas, Muhammad Anjum Aqueel, Muhammad Mansoor Javaid, Francisco Garcia-Sanchez Jan 2015

Foliar Spray Of Phyto-Extracts Supplemented With Silicon: An Efficacious Strategy To Alleviate The Salinity-Induced Deleterious Effects In Pea (Pisum Sativum L.), Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Tahira Abbas, Muhammad Anjum Aqueel, Muhammad Mansoor Javaid, Francisco Garcia-Sanchez

Turkish Journal of Botany

A pot culture study was conducted to assess the ameliorative effect of silicon, Melia azadirachta leaf extract, and sugar beet root extract, each applied individually or in different combinations, on salinity-induced detrimental effects in pea (Pisum sativum L.). Salinity markedly inhibited the growth, various gas exchange attributes, total phenol contents, membrane stability index, and productivity. On the other hand, lipid peroxidation, electrolyte leakage, H2O2 content, antioxidant activities, and leaf free proline and glycinebetaine contents were significantly enhanced by salinity. However, exogenously applied Si and phyto-extracts markedly alleviated the salinity-induced drastic effects on growth, gas exchange attributes, and productivity. Both phyto-extracts …

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Temperature Sensitivity Of Photosystem Ii In Isolated Thylakoid Membranes From Fluridone-Treated Pea Leaves, Kolyo Dankov, Georgi Rashkov, Amarendra Misra, Emilia L. Apostolova Jan 2015

Temperature Sensitivity Of Photosystem Ii In Isolated Thylakoid Membranes From Fluridone-Treated Pea Leaves, Kolyo Dankov, Georgi Rashkov, Amarendra Misra, Emilia L. Apostolova

Turkish Journal of Botany

High temperature-induced changes in the photosystem II (PSII) activity of thylakoid membranes isolated from pea (Pisum sativum L. 'Ran') plants treated with low (10-8 M) and high (10-7 M) concentrations of fluridone were investigated. Pulse amplitude modulated (PAM) chlorophyll fluorescence and photosynthetic oxygen evolution (measured by polarographic oxygen rate electrode) were used to estimate the effect of high temperature on the functional activity of PSII. Higher temperature treatments lead to stronger inhibition of the flash oxygen evolution than the primary photochemistry of PSII (Fv/Fm). The inhibitory effect of higher temperature on the PSII? centers is stronger than on the PSIIß …

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Micromorphological Characters On Nutlet And Leaf Indumentum Of Teucrium Sect. Teucrium (Lamiaceae) In Turkey, Gülay Ecevi̇t Genç, Taner Özcan, Tuncay Di̇rmenci̇ Jan 2015

Micromorphological Characters On Nutlet And Leaf Indumentum Of Teucrium Sect. Teucrium (Lamiaceae) In Turkey, Gülay Ecevi̇t Genç, Taner Özcan, Tuncay Di̇rmenci̇

Turkish Journal of Botany

Leaf indumentum and nutlet surface micromorphology of 13 taxa belonging to the Teucrium sect. Teucrium was studied with a scanning electron microscope. We observed 5 trichome types on the nutlets and 8 trichome types on the leaves. Branched trichomes were not found on the nutlets. Nutlet shapes of the taxa were elliptic, obovate, oblong, or rotund, and their surfaces were generally alveolate with different ornamentations. Some nutlets had longitudinal ridges. The indumentum varied among unrelated species and showed some significant similarities within related species. In Flora of Turkey sect. Teucrium was divided into 2 groups according to leaf fragmentation and …

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Seed Morphology And Surface Microstructure Of Some Euphorbia (Euphorbiaceae) Taxa Distributed In Turkey-In-Europe, Levent Can, Orhan Küçüker Jan 2015

Seed Morphology And Surface Microstructure Of Some Euphorbia (Euphorbiaceae) Taxa Distributed In Turkey-In-Europe, Levent Can, Orhan Küçüker

Turkish Journal of Botany

The taxa of the genus Euphorbia L. Have seeds that mature in schizocarp fruits, called cocci, with three or more cells, each of which explosively splits open into separate parts at maturity. The Euphorbia seeds have taxonomically useful characters. We studied 13 taxa of the genus Euphorbia distributed in Turkey-in-Europe, with a focus on the seed characters; for morphological observations we used a stereomicroscope, and for surface microstructure we used a scanning electron microscope (SEM). The morphological observations showed that the seed characters of shape, size, color, surface features, and the features of the caruncle are uniquely different. SEM observations …

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Variability Of Plant Species Diversity During The Natural Restoration Of The Subalpine Birch Forest In The Central Great Caucasus, Natalia Togonidze, Maia Akhalkatsi Jan 2015

Variability Of Plant Species Diversity During The Natural Restoration Of The Subalpine Birch Forest In The Central Great Caucasus, Natalia Togonidze, Maia Akhalkatsi

Turkish Journal of Botany

The northern slopes of the Central Great Caucasus of Georgia were covered by birch (Betula litwinowii) forests in the past, but forest degradation resulted in subalpine secondary meadows. Over the past 20 years birch forest natural reforestation processes have taken place. The aim of this study was to determine the changes in plant species diversity during reforestation. Different habitat types were selected to trace the development of birch forests from subalpine meadows. Species richness was determined in 100 research plots (25 m2 each) of different habitat types. Pioneer succession was distinguished by the highest level of species richness due to …

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Phylogeny And Systematics Of The Western Mediterranean Vella Pseudocytisus-V. Aspera Complex (Brassicaceae), Violeta I. Simón-Porcar, Ernesto Perez-Collazos, Pilar Catalan Jan 2015

Phylogeny And Systematics Of The Western Mediterranean Vella Pseudocytisus-V. Aspera Complex (Brassicaceae), Violeta I. Simón-Porcar, Ernesto Perez-Collazos, Pilar Catalan

Turkish Journal of Botany

The evolution and taxonomy of the core members of subtribe Vellinae (Brassicaceae), comprising Vella aspera, V. Bourgeana, and V. Pseudocytisus, is still poorly known. We reconstructed the evolutionary relationships among these taxa and other Vellinae and close Brassicaceae using nuclear ITS and plastid trnTF phylogenies, and analyzed the phenotypic traits that differentiate the infraspecific ranks of V. Pseudocytisus. Our phylogenetic analyses show: i) an early divergence of Succowia within the Brassiceae-Sisymbrieae sensu lato clade; ii) the nested positions of Vella bourgeana (syn. Euzomodendron bourgaeanum) and V. Aspera (syn. Boleum asperum) within the Vella clade; and iii) the split of 5 …

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Metacordyceps Dhauladharensis Sp. Nov., A New Entomopathogenic Fungus From India, Sapan Kumar Sharma, Nandini Gautam Jan 2015

Metacordyceps Dhauladharensis Sp. Nov., A New Entomopathogenic Fungus From India, Sapan Kumar Sharma, Nandini Gautam

Turkish Journal of Botany

This paper describes a new species of Clavicipitaceae fungi belonging to the genus Metacordyceps G.H. Sung, J.M. Sung, Hywel-Jones and Spatafora, defined as Metacordyceps dhauladharensis sp. Nov., from India. The diagnostic features of this new species are stipitate stromata of brownish color and an elongated fertile head on a Hymenopteran host. The perithecium size of this species was measured as 152-257 × 65-72 µm, and the asci were measured as 30-48 µm in length and 2.5 µm in breadth. Based on molecular studies, the sequence of 469 bp of this species showed only 86% homology with Metacordyceps indigotica (Kobayasi and …

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Freshwater Algal Diversity Of The South-Tajik Depression In A High-Mountainous Extreme Environment, Tajikistan, Sophia Barinova, Maryio Boboev, Hikmat Hisoriev Jan 2015

Freshwater Algal Diversity Of The South-Tajik Depression In A High-Mountainous Extreme Environment, Tajikistan, Sophia Barinova, Maryio Boboev, Hikmat Hisoriev

Turkish Journal of Botany

The research on algal communities' response to altitude and altitude-related climatic conditions is sparse. So far, a full, accessible list of algae from the water bodies of the South-Tajik Depression has not been available. We compiled an algal species list of 1190 taxa that were revealed by us or listed in references in the South-Tajik Depression high-mountain rivers Kafirnigan, Vakhsh, Kyzylsu, Yakhsu, and Tairsu and in the lakes of its basin. The altitude gradient of the studied area is about 2500 m above sea level. An altitude-related algal diversity analysis was done with help of statistics and bioindication. The Willis …

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Mechanisms Of Tolerance Differences In Cucumber Seedlings Grafted On Rootstocks With Different Tolerance To Low Temperature And Weak Light Stresses, Yan Li, Xuemei Tian, Min Wei, Qinghua Shi, Fengjuan Yang, Xiufeng Wang Jan 2015

Mechanisms Of Tolerance Differences In Cucumber Seedlings Grafted On Rootstocks With Different Tolerance To Low Temperature And Weak Light Stresses, Yan Li, Xuemei Tian, Min Wei, Qinghua Shi, Fengjuan Yang, Xiufeng Wang

Turkish Journal of Botany

Stresses of low temperature and weak light are major environmental limiters for horticultural production in greenhouses in northern China during winter and early spring. Grafting is regarded as a promising approach to enhance cucumber tolerance to these environmental stresses. However, it is still unclear why cucumber plants grafted on different rootstocks usually exhibit different tolerance. The responses of cucumber (Cucumis sativus L. Cv. 'Xintaimici') seedlings that were grafted on three rootstock cultivars ('Kilameki', 'Tielizhen', and 'Figleaf gourd') to low temperature (5 °C) and weak light (100 µmol m-2 s-1) were investigated in this study. The results showed that, compared to …

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Reproductive Biology Of The Narrow Endemic Anchusa Littorea Moris (Boraginaceae), An Endangered Coastal Mediterranean Plant, Donatella Cogoni, Giuseppe Fenu, Gianluigi Bacchetta Jan 2015

Reproductive Biology Of The Narrow Endemic Anchusa Littorea Moris (Boraginaceae), An Endangered Coastal Mediterranean Plant, Donatella Cogoni, Giuseppe Fenu, Gianluigi Bacchetta

Turkish Journal of Botany

Phenological and reproductive patterns are fundamental life-history components in the life cycle of plants. In this study, we analyzed phenological and reproductive data at the plant and population levels of the narrow endemic Anchusa littorea Moris, an endangered annual plant species growing in a few small patches at the Is Arenas dune system (SW Sardinia, Italy). Individuals from the main 2 patches were evaluated during a 4-year study period: plants were monitored on a monthly basis in each reproductive phenophase. To assess phenological variability within and among populations, an approach based on the Shannon-Wiener diversity index and the Morisita-Horn similarity …

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Transferability Of Barley Retrotransposon Primers To Analyze Genetic Structure In Iranian Hypericum Perforatum L. Populations, Razea Asadkhani Mamaghani, Seyed Abolghasem Mohammadi, Saeid Aharizad Jan 2015

Transferability Of Barley Retrotransposon Primers To Analyze Genetic Structure In Iranian Hypericum Perforatum L. Populations, Razea Asadkhani Mamaghani, Seyed Abolghasem Mohammadi, Saeid Aharizad

Turkish Journal of Botany

Transferability of barley retrotransposon primers was investigated to analyze population structure in St. John's wort (Hypericum perforatum L.) based on inter-retrotransposon amplified polymorphism (IRAP). Seven long terminal repeat (LTR) retrotransposon primers derived from the barley genome were used to detect genetic polymorphism in eight Iranian populations and three cultivars (Helos, New Stem, and Topaz) of H. Perforatum based on IRAP analysis. Nine possible LTR primers/primer combinations successfully amplified fragments from the H. Perforatum genome. In total, 311 bands of 100-3000 base pairs were amplified, of which 244 were polymorphic. The number of polymorphic fragments ranged from 10 (Nikita/5'LTR-2) to 57 …

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Genetic Diversity And Relationships Within And Among Onobrychis Species Using Molecular Markers, Mohammad Zarrabian, Mohammad Mahdi Majidi Jan 2015

Genetic Diversity And Relationships Within And Among Onobrychis Species Using Molecular Markers, Mohammad Zarrabian, Mohammad Mahdi Majidi

Turkish Journal of Botany

Little is known about the taxonomic relationships of the genus Onobrychis (Fabaceae). To study inter- and intraspecific variations and the relationships among the species, 102 accessions (33 species) of the genus Onobrychis were evaluated using 22 inter-simple sequence repeat (ISSR) markers. Almost all the species belonging to the section Onobrychis clustered together. A similar pattern was found with the species belonging to the section Hymenobrychis, while those of the section Lophobrychis did not cluster together. The results indicate that the section Lophobrychis has a comparatively derived organization that can be attributed to the differences in their taxonomic delimitation. Geographical pattern …

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Taxonomic Revision Of Astragalus L. Section Onobrychoidei Dc. (Fabaceae) In Turkey, Murat Eki̇ci̇, Hasan Akan, Zeki̇ Aytaç Jan 2015

Taxonomic Revision Of Astragalus L. Section Onobrychoidei Dc. (Fabaceae) In Turkey, Murat Eki̇ci̇, Hasan Akan, Zeki̇ Aytaç

Turkish Journal of Botany

This study concerned the taxonomic revision of Astragalus L. Section Onobrychoidei DC in Turkey. The morphological, cytological, and phenological characteristics of 29 species in this section are discussed. Moreover, 11 names at specific levels are reduced to synonymy: Astragalus eskishehiricus, A. Hololeucoides, A. Sakaryaensis, A. Phanothrix, A. Canescens, A. Robertianus, A. Rausianus, A. Tunceliensis, A. Pseudovegetus, A. Bingoellensis, and A. Bithynicus. The conservation statuses based on the IUCN Red List categories are mentioned for endemic taxa.

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Relationships And Generic Delimitation Of Eurasian Genera Of The Subtribe Asterinae (Astereae, Asteraceae) Using Molecular Phylogeny Of Its, Elena Korolyuk, Alexey Makunin, Tatiana Matveeva Jan 2015

Relationships And Generic Delimitation Of Eurasian Genera Of The Subtribe Asterinae (Astereae, Asteraceae) Using Molecular Phylogeny Of Its, Elena Korolyuk, Alexey Makunin, Tatiana Matveeva

Turkish Journal of Botany

The subtribe Asterinae (Astereae, Asteraceae) includes highly variable, often polyploid species. Recent findings based on molecular methods led to revision of its volume. However, most of these studies lacked species from Eurasia, where a lot of previous taxonomic treatments of the subtribe exist. In this study we used molecular phylogenetics methods with internal transcribed spacer (ITS) as a marker to resolve evolutionary relations between representatives of the subtribe Asterinae from Siberia, Kazakhstan, and the European part of Russia. Our reconstruction revealed that a clade including all Asterinae species is paraphyletic. Inside this clade, there are species with unresolved basal positions, …

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A New Species Of Russula (Russulaceae) From India Based On Morphological And Molecular (Its Sequence) Data, Arun Kumar Dutta, Soumitra Paloi, Prakash Pradhan, Krishnendu Acharya Jan 2015

A New Species Of Russula (Russulaceae) From India Based On Morphological And Molecular (Its Sequence) Data, Arun Kumar Dutta, Soumitra Paloi, Prakash Pradhan, Krishnendu Acharya

Turkish Journal of Botany

Russula kanadii (Russulaceae, Basidiomycota) is described as a new species from West Bengal, India, and is assigned to the subgenus Heterophyllidia, section Heterophyllae, and subsection Virescentinae. A comprehensive description, photographs, and comparisons with morphologically similar and phylogenetically related species are provided. Inferences of its phylogenetic relationships within the genus are provided based on the sequence of the nuclear internal transcribed spacer (ITS) region.

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New Records For Turkey And Contributions To The Macrofungal Diversity Of Isparta Province, Hali̇l Güngör, Mehmet Hali̇l Solak, Hakan Alli, Mustafa Işiloğlu, Erbi̇l Kalmiş Jan 2015

New Records For Turkey And Contributions To The Macrofungal Diversity Of Isparta Province, Hali̇l Güngör, Mehmet Hali̇l Solak, Hakan Alli, Mustafa Işiloğlu, Erbi̇l Kalmiş

Turkish Journal of Botany

This study was conducted on specimens of macrofungi collected from Isparta Province between 2005 and 2008; in addition, Trichophaea woolhopeia (Cooke and W. Phillips) Boud. İs given as a new record from Muğla Province. After fieldwork and laboratory studies, 129 taxa belonging to 36 families and 2 divisions were identified from Isparta Province. Five of them, Cortinarius olidus J.E. Lange, Cystoderma jasonis (Cooke and Massee) Harmaja, Echinoderma echinaceum (J.E. Lange) Bon, Hebeloma gigaspermum Gröger and Zschiesch., and Psathyrella canoceps (Kauffman) A.H. Sm., are new records for Turkey.

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Taxonomic Studies On Some New Fungal Records From Trabzon, Turkey, Ertuğrul Sesli̇, Pierre-Arthur Moreau Jan 2015

Taxonomic Studies On Some New Fungal Records From Trabzon, Turkey, Ertuğrul Sesli̇, Pierre-Arthur Moreau

Turkish Journal of Botany

Basidiomes of Alnicola subconspersa (Kühner ex P.D. Orton) Bon, Amanita pachyvolvata (Bon) Krieglst., Cortinarius azureus Fr., Cortinarius vernus H. Lindstr. And Melot, Melanogaster variegatus (Vittad.) Tul. And C. Tul., Paxillus ammoniavirescens Contu and Dessì, and Paxillus cuprinus P. Jargeat, H. Gryta, J.P. Chaumeton and A. Vizzini were reported for the first time for the Turkish mycota from Trabzon. Plant species, possible mycorrhizal relationships, and superficial morphologic structures were noted and photos were taken in situ in the collection area. The samples were brought to the laboratory and dried for future microscopic studies. Basidiospores, cystidia, basidia, marginal cells, and pileipellis of …

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Metabolic And Molecular-Genetic Regulation Of Proline Signaling And Itscross-Talk With Major Effectors Mediates Abiotic Stress Tolerance In Plants, Aryadeep Roychoudhury, Aditya Banerjee, Vikramjit Lahiri Jan 2015

Metabolic And Molecular-Genetic Regulation Of Proline Signaling And Itscross-Talk With Major Effectors Mediates Abiotic Stress Tolerance In Plants, Aryadeep Roychoudhury, Aditya Banerjee, Vikramjit Lahiri

Turkish Journal of Botany

Proline (Pro) accumulation is a common response of several plant species to combat abiotic stresses. Under stress conditions, Pro acts as an excellent compatible solute in the plant system, participating in the alleviation of stress sensitivity. Though the metabolic pathways associated with Pro are well studied, parts of its regulatory cascades are still not properly known. It has also been conjectured that epigenetic modifications regulate Pro metabolism during abiotic stress. Apart from Pro, the plant abiotic stress responses are essentially mediated by multiple effectors. Hence, proper analysis of the cross-talks of Pro with the other components of the abiotic stress …

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Genetic Improvement Of Rice For Biotic And Abiotic Stress Tolerance, Mahmood Ur Rahman Ansari, Tayyaba Shaheen, Shazai Bukhari, Tayyab Husnain Jan 2015

Genetic Improvement Of Rice For Biotic And Abiotic Stress Tolerance, Mahmood Ur Rahman Ansari, Tayyaba Shaheen, Shazai Bukhari, Tayyab Husnain

Turkish Journal of Botany

Rice (Oryza sativa L.) is among the most important food crops that provide a staple food for nearly half of the world's population. Rice crops are prone to various types of stresses, both biotic and abiotic. Biotic stresses include insect pests, fungus, bacteria, viruses, and herbicide toxicity. Among abiotic stresses, drought, cold, and salinity are also well studied in rice. Various genes have been identified, cloned, and characterized to combat these stresses and protect rice crops. The identified genes are successfully transformed into rice plants to produce transgenic plants. These transgenic rice plants are being evaluated under field conditions in …

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Recent Advances In Potato Genomics, Transcriptomics, And Transgenicsunder Drought And Heat Stresses: A Review, Emre Aksoy, Ufuk Demi̇rel, Zahi̇de Nesli̇han Öztürk, Sevgi̇ Çalişkan, Mehmet Emi̇n Çalişkan Jan 2015

Recent Advances In Potato Genomics, Transcriptomics, And Transgenicsunder Drought And Heat Stresses: A Review, Emre Aksoy, Ufuk Demi̇rel, Zahi̇de Nesli̇han Öztürk, Sevgi̇ Çalişkan, Mehmet Emi̇n Çalişkan

Turkish Journal of Botany

Sustainable potato production practices are crucial for food security and social sustainability in the future since potato is a highly nutritious food and it is considered as one of the most promising crops to reduce human hunger and poverty in the world due to its high yield potential. However, being a temperate crop, potato is exposed to various environmental stresses, including extended periods of drought and heat. The majority of potato genomics, transcriptomics, and transgenics studies concentrate on the characterization of molecular mechanisms governing cold hardiness of tubers and response and tolerance mechanisms against diseases. Likewise, potato breeding studies focus …

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Soil Bacteria Conferred A Positive Relationship And Improved Salt Stress Tolerance In Transgenic Pea (Pisum Sativum L.) Harboring Na+/H+ Antiporter, Zahid Ali, Nasr Ullah, Saadia Naseem, Muhammad Inam Ul Haq, Hans Joerg Jacobsen Jan 2015

Soil Bacteria Conferred A Positive Relationship And Improved Salt Stress Tolerance In Transgenic Pea (Pisum Sativum L.) Harboring Na+/H+ Antiporter, Zahid Ali, Nasr Ullah, Saadia Naseem, Muhammad Inam Ul Haq, Hans Joerg Jacobsen

Turkish Journal of Botany

Among grain legumes, peas (Pisum sativum L.) are highly sensitive to salt stress. Acclimatization of plants to such conditions is mandatory. We provide improved salt stress tolerance response of transgenic pea plants overexpressing the Na+/H+ gene from Arabidopsis thaliana and a positive association with salt-tolerant plant growth-promoting rhizobacteria (PGPR). In addition to salt stress tolerance and phosphate solubilization, the selected rhizobacterial isolates were identified for indole acetic acid and proline production ability. Seed germination percentage in transgenic pea plants was significantly higher under NaCl challenge. The wild-type (WT) pea plants inoculated with known numbers of viable cells of salt-tolerant PGPR …

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Screening Of Pvlea3 Gene Mrna Expression Levels With Qrt-Pcr In Differentbean Varieties (Phaseolus Vulgaris L.) Subjected To Salt And Drought Stress, İlker Büyük, Sümer Aras Jan 2015

Screening Of Pvlea3 Gene Mrna Expression Levels With Qrt-Pcr In Differentbean Varieties (Phaseolus Vulgaris L.) Subjected To Salt And Drought Stress, İlker Büyük, Sümer Aras

Turkish Journal of Botany

Bean is an edible grain legume species with the greatest selectivity in terms of ecological conditions. Increasing the yield per unit area depends on identification and breeding of species resistant to different ecological conditions. In this regard, we aimed to evaluate mRNA levels of the PvLEA3 gene and lipid peroxidation levels in 7 different bean varieties subjected to NaCl and PEG stresses. Lipid peroxidation analysis (MDA) and qRT-PCR analysis were performed with root and leaf tissues sampled at 3 and 27 h of stress conditions. All results showed that the PvLEA3 gene plays a key role in the defense mechanism …

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Estimating Genetic Diversity Among Selected Cotton Genotypes And The Identificationof Dna Markers Associated With Resistance To Cotton Leaf Curl Disease, Ammad Abbas, Muhammad Atif Iqbal, Mehboob-Ur Rahman, Andrew H. Paterson Jan 2015

Estimating Genetic Diversity Among Selected Cotton Genotypes And The Identificationof Dna Markers Associated With Resistance To Cotton Leaf Curl Disease, Ammad Abbas, Muhammad Atif Iqbal, Mehboob-Ur Rahman, Andrew H. Paterson

Turkish Journal of Botany

To the extent of our knowledge, applications of DNA markers in marker-assisted breeding of cotton are handicapped due to low genetic diversity in cotton germplasm. Cotton leaf curl disease, a disease of viral origin, has substantially depressed cotton production in Pakistan, and this disease is also an emerging threat to the neighboring cotton-growing countries like China and India. The present study was designed to identify DNA markers, predominately simple sequence repeats (SSRs), associated with tolerance and/or resistance to the disease. Based upon 2 years of disease-screening field experiments, a total of 10 cotton genotypes (five highly tolerant, four highly susceptible, …

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Evaluation Of Metabolite Extraction Protocols And Determination Ofphysiological Response To Drought Stress Via Reporter Metabolites In Model Plant Brachypodium Distachyon, Özge Tatli, İlkem Emrah Ni̇kerel, Bahar Soğutmaz Özdemi̇r Jan 2015

Evaluation Of Metabolite Extraction Protocols And Determination Ofphysiological Response To Drought Stress Via Reporter Metabolites In Model Plant Brachypodium Distachyon, Özge Tatli, İlkem Emrah Ni̇kerel, Bahar Soğutmaz Özdemi̇r

Turkish Journal of Botany

Metabolomics aims to systematically gather (quantitative) information on metabolites in the cell and is commonly viewed as the "missing link" between genomics, transcriptomics, and physiology. Typical metabolomics platforms consist of two main steps, the quenching and extraction of metabolites from plant material and the (un)targeted quantification of the extracted metabolites. Brachypodium distachyon, a native grass species of the Mediterranean region, is an attractive model plant to study temperate crops. In recent years, despite an increasing interest in genomic and transcriptomic studies, metabolomics studies for B. Distachyon are still in their infancy. Drought, an abiotic stress factor, causes severe loss in …

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Ameliorative Role Of Ss-Estradiol Against Lead-Induced Oxidative Stressand Genotoxic Damage In Germinating Wheat Seedlings, Muci̇p Geni̇şel, Hülya Türk, Serkan Erdal, Yavuz Demi̇r, Ebru Genç, İrfan Terzi̇ Jan 2015

Ameliorative Role Of Ss-Estradiol Against Lead-Induced Oxidative Stressand Genotoxic Damage In Germinating Wheat Seedlings, Muci̇p Geni̇şel, Hülya Türk, Serkan Erdal, Yavuz Demi̇r, Ebru Genç, İrfan Terzi̇

Turkish Journal of Botany

In the present study, to determine the effects of β-estradiol on the ability of plants to tolerate lead toxicity, β-estradiol (10 μM) and lead (1.75 mM), singly or in combination, were exogenously applied to wheat seeds. Although lead resulted in a marked increase in the activities of antioxidant enzymes, including superoxide dismutase, guaiacol peroxidase, ascorbate peroxidase, and glutathione reductase (but not catalase), as well as an increase in the level of antioxidant compounds such as ascorbic acid and glutathione, this was insufficient to ameliorate the lead-induced oxidative injury or the superoxide anion, hydrogen peroxide, and malondialdehyde levels. However, β-estradiol was …

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Identification Of Bacterial Leaf Blight Resistance Genes In Wild Rice Of Eastern India, Anil Kumar Singh, Ekta Dharmraj, Rohini Nayak, Pawan Kumar Singh, Nagendra Kumar Singh Jan 2015

Identification Of Bacterial Leaf Blight Resistance Genes In Wild Rice Of Eastern India, Anil Kumar Singh, Ekta Dharmraj, Rohini Nayak, Pawan Kumar Singh, Nagendra Kumar Singh

Turkish Journal of Botany

An experiment was conducted during the 2013 monsoon season to screen 35 wild rice accessions against the BX043 strain of Xanthomonas oryzae pv. Oryzae and identify the presence of bacterial blight resistance genes Xa21, xa13, xa5, Xa4, and Xa2. Among the accessions the area under the disease progress curve ranged from 174.88 (NKSWR-65) to 680.54 (NKSWR-34) compared with resistant controls RP bio-226 (93.92), CRMAS 2231-37 (097.28), CRMAS 2232-71 (098.58), and Tetep (178.62) and susceptible control PB-1 (1065.56). On the basis of disease severity 11 accessions showed moderate resistance, 21 were moderately susceptible, and 3 accessions showed susceptible response to the …

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