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Articles 19561 - 19590 of 26289
Full-Text Articles in Entire DC Network
Comparative Studies On The Competence Of Axillary Shoot Regeneration On Unsliced And Longitudinally Sliced Cotyledon Nodes Of Vigna Unguiculata, Muhammad Aasim, Sancar Fati̇h Özcan, Khalid Mahmood Khawar, Sebahatti̇n Özcan
Comparative Studies On The Competence Of Axillary Shoot Regeneration On Unsliced And Longitudinally Sliced Cotyledon Nodes Of Vigna Unguiculata, Muhammad Aasim, Sancar Fati̇h Özcan, Khalid Mahmood Khawar, Sebahatti̇n Özcan
Turkish Journal of Botany
Vigna unguiculata is an important food legume crop in the semiarid tropics. It suffers from a host of agricultural constraints including damage due to diseases and pests. Judicious application of biotechnological methods can lead to considerable improvement in this important crop. Shoot regeneration from unsliced and longitudinally sliced cotyledon node explants obtained from 3-day-old to 5-day-old seedlings grown in vitro was achieved on Murashige and Skoog (MS) medium containing 1.11, 2.22, 3.33, and 4.44 \muM benzylaminopurine (BA) supplemented with 1.0 mg/L polyvinylpyrrolidone and 500 mg/L bacteriostatic Augmentin. Callus induction was recorded in all culture media on both explants. The shoot …
A New Scorzonera (Asteraceae) Species From South Anatolia, Turkey, And Its Taxonomic Position Based On Molecular Data, Kami̇l Çoşkunçelebi̇, Serdar Makbul, Mutlu Gültepe, Deni̇z Onat, Murat Erdem Güzel, Seda Okur
A New Scorzonera (Asteraceae) Species From South Anatolia, Turkey, And Its Taxonomic Position Based On Molecular Data, Kami̇l Çoşkunçelebi̇, Serdar Makbul, Mutlu Gültepe, Deni̇z Onat, Murat Erdem Güzel, Seda Okur
Turkish Journal of Botany
Scorzonera zorkunensis Coskuncelebi & S.Makbul (Asteraceae) is described and illustrated from Turkey. It grows on serpentine in alpine steppe vegetation together with several endemic Scorzonera L. species in southern Anatolia at altitudes of 2075-2100 m. It is morphologically similar to S. pisidica Hub.-Mor., but it differs in its habit and stem and leaf pubescence. Additionally, the size and micromorphological characters of the achenes and some anatomical traits of the leaves, stems, and roots are helpful in distinguishing these closely related taxa. The phylogenetic analyses based on nrDNA ITS sequence data indicate that S. pisidica is a sister species of the …
Two New Species Of Cephalaria (Caprifoliaceae) From Turkey, Ramazan Süleyman Göktürk, Hüseyi̇n Sümbül, Ayten Çelebi̇, Leyla Açik
Two New Species Of Cephalaria (Caprifoliaceae) From Turkey, Ramazan Süleyman Göktürk, Hüseyi̇n Sümbül, Ayten Çelebi̇, Leyla Açik
Turkish Journal of Botany
Two new Cephalaria Schrad. ex Roem. et Schult. species (Caprifoliaceae) from Turkey, Cephalaria davisiana Göktürk & Sümbül and Cephalaria sumbuliana Göktürk, are described and illustrated. A map showing their distribution and other related taxa is given. The morphological differences of the 2 new species are discussed and comparisons are made with the similar Cephalaria speciosa Boiss. & Kotschy and Cephalaria elmaliensis Hub.-Mor. & V.A.Matthews. In addition to morphological observations, C. davisiana, C. sumbuliana, C. elmaliensis, and C. speciosa were analysed by applying RAPD-PCR techniques. RAPD methods clearly distinguished between the new species and the 2 species that they resemble.
Verbascum Hasbenlii (Scrophulariaceae), A New Species From Turkey, Zeki̇ Aytaç, Hayri̇ Duman
Verbascum Hasbenlii (Scrophulariaceae), A New Species From Turkey, Zeki̇ Aytaç, Hayri̇ Duman
Turkish Journal of Botany
Verbascum hasbenlii Aytaç & H.Duman sp. nov. (sect. Bothrosperma Murb.) is described and illustrated from Turkey. This new species was collected in B1 Çan (Çanakkale Province) area. V. hasbenlii appears to be closely allied to V. luciliae (Boiss.) O.Kuntze and V. haraldi-adnani Parolly & Eren. Its affinities with this and other related species are discussed. The characteristic features of pollen, seed, stomata structure, and hairs are studied using a scanning electron microscope and the distribution of the new species in Turkey is given.
In Vitro Plant Regeneration Via Petiole Callus Of Viola Patrinii And Genetic Fidelity Assessment Using Rapd Markers, Gururaj Chalageri, Uddagiri Venkanna Babu
In Vitro Plant Regeneration Via Petiole Callus Of Viola Patrinii And Genetic Fidelity Assessment Using Rapd Markers, Gururaj Chalageri, Uddagiri Venkanna Babu
Turkish Journal of Botany
Viola patrinii DC. (Violaceae) petiole explants were used for inducing calli. Significant callus proliferation was observed on MS medium supplemented with 16.12 \muM NAA and 13.33 \muM BA. Shoot regeneration was achieved upon transferring the green friable calli to MS medium with a 2-fold dilution of potassium dihydrogen phosphate supplemented with 23.25 \muM Kn and 2.68 \muM NAA. Maximum shoot regeneration was achieved in 4 weeks. Multiple shoots were separated and further cultured in half-strength MS medium supplemented with 9.85 \muM IBA with 2% sucrose. Profuse root development was observed after 20-25 days of culturing. Regenerated plants were successfully transferred …
New Ascomycete Records For Turkish Macromycota, Ilgaz Akata, Abdullah Kaya, Yasi̇n Uzun
New Ascomycete Records For Turkish Macromycota, Ilgaz Akata, Abdullah Kaya, Yasi̇n Uzun
Turkish Journal of Botany
Ascobolus stercorarius (Bull.) J.Schröt. (Ascobolaceae), Cheilymenia fimicola (De Not. & Bagl.) Dennis (Pyronemataceae), Plectania melastoma (Sowerby) Fuckel, and P. rhytidia (Berk.) Nannf. & Korf (Sarcosomataceae) are given as new records at the genus level for the macromycota of Turkey.
A New Record For The Flora Of Turkey: Lathyrus Atropatanus (Leguminosae), Fatma Güneş, Ali̇ Hi̇kmet Çirpici
A New Record For The Flora Of Turkey: Lathyrus Atropatanus (Leguminosae), Fatma Güneş, Ali̇ Hi̇kmet Çirpici
Turkish Journal of Botany
No abstract provided.
Allium Shirnakiense, Sect. Melanocrommyum (Liliaceae), A New Species From South-Eastern Turkey, Lütfi̇ Behçet, Mustafa Rüstemoğlu
Allium Shirnakiense, Sect. Melanocrommyum (Liliaceae), A New Species From South-Eastern Turkey, Lütfi̇ Behçet, Mustafa Rüstemoğlu
Turkish Journal of Botany
Allium shirnakiense L.Behçet & Rüstemoğlu sp. nova (sect. Melanocrommyum Webb & Berth.) is described as a species new to science on the basis of material collected from Şırnak Province. Morphologically, it is related to A. rhetoreanum Nab., which is an species endemic to South-eastern Turkey. A diagnosis, a taxonomic description, and some illustrations are given.
Contributions To The Description And Molecular Properties Of Erodium Hendrikii Alpınar (Geraniaceae), Endemic To Turkey, Kami̇l Çoşkunçelebi̇, Sali̇h Terzi̇oğlu, Mustafa Karaköse, Murat Erdem Güzel
Contributions To The Description And Molecular Properties Of Erodium Hendrikii Alpınar (Geraniaceae), Endemic To Turkey, Kami̇l Çoşkunçelebi̇, Sali̇h Terzi̇oğlu, Mustafa Karaköse, Murat Erdem Güzel
Turkish Journal of Botany
A Turkish endemic, Erodium hendrikii Alpınar, was firstly described from NE Anatolia in 1994 based on insufficient specimens. In the present study, the description of this poorly known taxon was emended by adding several macro- and micromorphological traits of its leaf and fruit observed under LM and SEM. Furthermore, it was compared with the closely related species E. malacoides (L.) L'Her based on both morphological and molecular data and a modified identification key for the Flora of Turkey was prepared. The conservation status was also re-assessed according to the IUCN threat criteria.
Embryological And Cytological Features Of Gagea Bohemica (Liliaceae), Fi̇li̇z Vardar, Işil İsmai̇loğlu, Meral Ünal
Embryological And Cytological Features Of Gagea Bohemica (Liliaceae), Fi̇li̇z Vardar, Işil İsmai̇loğlu, Meral Ünal
Turkish Journal of Botany
The present study describes the developmental features of the embryo sac and ovular structures, particularly the obturator, during development in Gagea bohemica (Zauschn.) Schult. & Schult. f. The nucellar epidermis is poorly developed and composed of 1-2 layers of cuboidal cells. The tissue at the chalazal end of the nucellus differentiates into a hypostase. The micropyle is formed by the inner integument and composed of 4-5 cell layers that include starch grains. The functional megaspore results in an 8-nucleated embryo sac and conforms to a tetrasporic, Fritillaria L. type. Cytoplasmic nucleoloids consisting of protein and RNA are obvious during megasporogenesis. …
Anatomical Analysis Of Red Juniper Leaf (Juniperus Oxycedrus) Taken From Kopaonik Mountain, Serbia, Predrag Spasoje Vasic, Darko Vlajko Dubak
Anatomical Analysis Of Red Juniper Leaf (Juniperus Oxycedrus) Taken From Kopaonik Mountain, Serbia, Predrag Spasoje Vasic, Darko Vlajko Dubak
Turkish Journal of Botany
In this study, the anatomical characteristics of Juniperus oxycedrus (Cupressaceae) leaves from Kopaonik Mountain (Serbia) are analysed. The level of distinction between leaves taken from various altitudes (420-1420 m) was determined by analysing anatomical characters. The clear correlation between increase in altitude and change in anatomical characters of the leaves was not established by descriptive analysis. The leaves collected from plants growing at 620 m had the most prominent xeromorphic characteristics (thick cuticles and thick epidermis walls). The discriminant canonical analysis also showed a clear distinction between red common juniper from 420 m and the samples taken from different altitudes.
Germination Response Of Five Eastern Mediterranean Woody Species To Smoke Solutions Derived From Various Plants, Şükrü Serter Çatav, İsmai̇l Bekar, Büşra Seda Ateş, Gökhan Ergan, Funda Oymak, Eli̇f Deni̇z Ülker, Çağatay Tavşanoğlu
Germination Response Of Five Eastern Mediterranean Woody Species To Smoke Solutions Derived From Various Plants, Şükrü Serter Çatav, İsmai̇l Bekar, Büşra Seda Ateş, Gökhan Ergan, Funda Oymak, Eli̇f Deni̇z Ülker, Çağatay Tavşanoğlu
Turkish Journal of Botany
The role of smoke as a fire-related germination cue is well known in many parts of the world, including Mediterranean-type ecosystems; however, it has been neglected in the Mediterranean Basin (MB). We studied the germination response of 5 woody species found in the eastern MB (south-western Turkey) to smoke solutions derived from different plant species. Of the 5 species examined, 2 [Sarcopoterium spinosum (L.) Spach and Satureja thymbra L.] showed significant increments in germination percentage after smoke treatments compared to the control, while the remaining 3 [Calicotome villosa (Poir.) Link, Cistus salviifolius L., and Lavandula stoechas L.] did not. However, …
Induction Of Phytochelatin And Responses Of Antioxidants Under Cadmium Stress In Safflower (Carthamus Tinctorius) Seedlings, Shahram Namdjoyan, Shahrokh Namdjoyan, Hossein Kermanian
Induction Of Phytochelatin And Responses Of Antioxidants Under Cadmium Stress In Safflower (Carthamus Tinctorius) Seedlings, Shahram Namdjoyan, Shahrokh Namdjoyan, Hossein Kermanian
Turkish Journal of Botany
We investigated the role of antioxidant compounds (e.g.,\alpha-tocopherol, phytochelatins, glutathione, and other non-protein thiols) in the cadmium (Cd) tolerance of safflower (Carthamus tinctorius L. cv. Arak2811) seedlings exposed to different concentrations of Cd (0-100 \muM) for a week. A concentration- and tissue- dependent response to Cd was observed. Increasing Cd supply markedly reduced the dry weight of roots. Plants accumulated a substantial amount of Cd, especially in the roots. Levels of \alpha-tocopherol showed a significant increase with an increase in the concentration of Cd in leaves. Upon Cd exposure, \alpha-tocopherol levels followed a similar pattern in the root tissue with …
Trace Metal Contents Of Some Wild-Growing Mushrooms In Bigadiç (Balıkesir), Turkey, İsmai̇l Şen, Hakan Alli, Beki̇r Çöl, Mustafa Çeli̇kkollu, Ahmet Balci
Trace Metal Contents Of Some Wild-Growing Mushrooms In Bigadiç (Balıkesir), Turkey, İsmai̇l Şen, Hakan Alli, Beki̇r Çöl, Mustafa Çeli̇kkollu, Ahmet Balci
Turkish Journal of Botany
In this study, heavy metal (Cd, Cr, Cu, Mn, and Zn) contents of wild-growing mushrooms and soil samples collected from Bigadiç (Balıkesir) were determined. A total of 38 fungal taxa were found in the study area. Among the mushroom samples analysed, minimum and maximum metal contents were 0.11-2.58 mg kg^-1 for Cd, 1.01-19.55 mg kg^-1 for Cr, 2.61-72.44 mg kg^-1 for Cu, 1.38-47.52 mg kg^-1 for Mn, and 5.75-97.55 mg kg^-1 for Zn. For all elements, values are within the acceptable levels as reported by several researchers. Hohenbuehelia petaloides (Bull.) Schulzer had the lowest elemental composition for all elements. Metal …
The Taxonomic Revision Of Alcea And Althaea (Malvaceae) In Turkey, Mehmet Erkan Uzunhi̇sarcikli, Meci̇t Vural
The Taxonomic Revision Of Alcea And Althaea (Malvaceae) In Turkey, Mehmet Erkan Uzunhi̇sarcikli, Meci̇t Vural
Turkish Journal of Botany
Alcea L. is represented by 18 species and Althaea L. by 4 species in the Flora of Turkey. Seventeen species of Alcea and all species of Althaea were collected. One new cultivated record of Alcea was added. Contrary to the Flora of Turkey, the endemicity of Alcea apterocarpa (Fenzl) Boiss., Alcea calvertii (Boiss.) Boiss., and Alcea fasciculiflora Zohary has not been proved. The threat category of Alcea fasciculiflora and Alcea pisidica Hub.-Mor. has been changed to CR, while they were placed in DD according to the Red Data Book of Turkish Plants. As a result of this study, determination keys, …
The Autecological Characteristics Of Desmostachya Bipinnata In Hyper-Arid Regions, Akbar Fakhireh, Majid Ajorlo, Alireza Shahryari, Shahram Mansouri, Soheila Nouri, Ahmad Pahlavanravi
The Autecological Characteristics Of Desmostachya Bipinnata In Hyper-Arid Regions, Akbar Fakhireh, Majid Ajorlo, Alireza Shahryari, Shahram Mansouri, Soheila Nouri, Ahmad Pahlavanravi
Turkish Journal of Botany
This study aimed to investigate the main autecological characteristics of Desmostachya bipinnata L. (Poaceae) in a hyper-arid region. The study was carried out on Sistan plain, south-eastern Iran. The habitats of D. bipinnata were identified and then the climatic and edaphic characteristics of habitats were determined. Phenological stages, reproduction, root system, and nutritive and preference values of D. bipinnata were also studied. One single habitat of D. bipinnata was identified on Sistan plain. Average annual rainfall and temperature of the habitat were 60 mm and 21.8 °C, respectively. Loamy and loamy sand soils of the habitat had EC and pH …
The Response Of The Xerophytic Plant Gypsophila Aucheri To Salt And Drought Stresses: The Role Of The Antioxidant Defence System, Aşkim Hedi̇ye Sekmen Esen, Rengi̇n Özgür, Bariş Uzi̇lday, Zehra Özgecan Tanyolaç, Ahmet Di̇nç
The Response Of The Xerophytic Plant Gypsophila Aucheri To Salt And Drought Stresses: The Role Of The Antioxidant Defence System, Aşkim Hedi̇ye Sekmen Esen, Rengi̇n Özgür, Bariş Uzi̇lday, Zehra Özgecan Tanyolaç, Ahmet Di̇nç
Turkish Journal of Botany
The aim of the present study was to determine the antioxidant system responses of a xerophytic plant to salinity and drought, which were not elucidated before. Physiological and antioxidant responses of the xerophytic plant Gypsophila aucheri Boiss. were investigated under salinity (100 and 300 mM NaCl) and drought (withholding watering) treatment for 2 weeks in a controlled growth chamber. Besides growth responses (relative growth rate (RGR)), superoxide dismutase (SOD), catalase (CAT), peroxidase (POX), ascorbate peroxidase (APX), and glutathione reductase (GR) activities, and SOD and CAT isoenzymes activities were determined under stress conditions. Moreover, the level of lipid peroxidation was determined …
Seasonal Variations In Phytoplankton Communities In Zayandeh-Rood Dam Lake (Isfahan, Iran), Masoumeh Shams, Saeed Afsharzadeh, Tahi̇r Atici
Seasonal Variations In Phytoplankton Communities In Zayandeh-Rood Dam Lake (Isfahan, Iran), Masoumeh Shams, Saeed Afsharzadeh, Tahi̇r Atici
Turkish Journal of Botany
Variations in the phytoplankton of Zayandeh-Rood Dam Lake were studied seasonally from September 2005 to August 2006 at 4 different stations. A total of 112 species and 53 genera belonging to 6 divisions were identified. The species belonging to Bacillariophyta, Chlorophyta, Cyanophyta, Euglenophyta, and Dinophyta were found frequently. Chrysophyta species were found in low numbers. Cyclotella meneghinina Kütz., a centric diatom, was the dominant species at all stations. The density of the phytoplankton was between 470 and 150,470 cells/cm^3. According to the Shannon-Weaver Index, the highest and the lowest diversities were determined in November and May, respectively. Regarding physico-chemical analysis …
The Seasonal Succession Of Diatoms In Phytoplankton Of A Soda Lake (Lake Hazar, Turkey), Mehmet Ali̇ Turan Koçer, Bülent Şen
The Seasonal Succession Of Diatoms In Phytoplankton Of A Soda Lake (Lake Hazar, Turkey), Mehmet Ali̇ Turan Koçer, Bülent Şen
Turkish Journal of Botany
Some physicochemical variables and climatic effects on the succession of a diatom community in the plankton of the pelagic zone of Lake Hazar, an alkaline soda lake, were investigated. Monthly diatom samples were collected from the surface water at western, central, and eastern pelagic areas of the ellipsoid-shaped lake using a plankton net from November 2004 to October 2005. When high temperature and pH levels prevailed in May and September, Epithemia, Rhopalodia, Cocconeis, and Cyclotella were dominant. Cymbella was dominant in early spring and late autumn, but was not significantly correlated with temperature or pH. The species of Gomphonema, Fragilaria, …
New Records For The Freshwater Algae Of Turkey (Tigris Basin), Tülay Özer, İlkay Açikgöz Erkaya, Abel Udo Udoh, Aydin Akbulut, Kazim Yildiz, Bülent Şen
New Records For The Freshwater Algae Of Turkey (Tigris Basin), Tülay Özer, İlkay Açikgöz Erkaya, Abel Udo Udoh, Aydin Akbulut, Kazim Yildiz, Bülent Şen
Turkish Journal of Botany
Samples were collected from different habitats (plankton, epipelon, epiphyton, and epilithon) at 20 stations situated on rivers and dam systems in the Tigris Basin between December 2004 and November 2005. Twenty-five new records were identified for the Turkish freshwater algae. They belong to the following divisions: 3 to Cyanobacteria, 1 to Rhodophya, 1 to Euglenozoa, 2 to Myzozoa, 1 to Ochrophyta, 9 to Chlorophyta, and 8 to Charophyta.
Myxomycetes Of Mustafa Kemal University Campus And Environs (Turkey), Hayri̇ Baba
Myxomycetes Of Mustafa Kemal University Campus And Environs (Turkey), Hayri̇ Baba
Turkish Journal of Botany
In this taxonomic study, myxomycetes of Tayfur Sökmen Campus (Hatay) were collected during 2010-2011. As a result of field and laboratory studies we reported 44 species of protosteliomycetes and myxomycetes. Three of these species (Diderma deplanatum Fr., Didymium megalosporum Berk & M.A.Curtis, and Lamproderma atrosporum Meyl.) are recorded for the first time from Turkey. Lamproderma atrosporum was treated with the moist chamber cultures method in the laboratory but Didymium megalosporum and Diderma deplanatum were determined naturally. The distribution, habitat, and collection numbers of the identified species are given.
Macrofungi Distribution Of Cocakdere Valley (Arslanköy, Mersin), Hasan Hüseyi̇n Doğan, Si̇nan Aktaş, Celaleddi̇n Öztürk, Giyasetti̇n Kaşik
Macrofungi Distribution Of Cocakdere Valley (Arslanköy, Mersin), Hasan Hüseyi̇n Doğan, Si̇nan Aktaş, Celaleddi̇n Öztürk, Giyasetti̇n Kaşik
Turkish Journal of Botany
The present study reports on species of macrofungi collected from 2002 to 2005 in Cocakdere valley in the central Taurus mountains. This area is protected and is one of the important plant areas in Turkey. In the field and during laboratory studies 186 taxa belonging 2 divisions and 44 families were identified. Among them, 6 families and 10 species belong to Ascomycota, and 38 families and 186 species belong to Basidiomycota. Moreover, 4 taxa-Cortinarius aureifolius, Inocybe hygrophorus, Ramaria suecica, and Scytinostroma portentosum -were found in the Turkish mycobiota for the first time.
Four New Records For Physarales From Turkey, Gönül Demi̇rel, Giyasetti̇n Kaşik
Four New Records For Physarales From Turkey, Gönül Demi̇rel, Giyasetti̇n Kaşik
Turkish Journal of Botany
Physarum didermoides (Pers.) Rostaf., Physarum gyrosum Rostaf., Didymium karstensii Nann.-Bremek., and Didymium trachysporum G.Lister, taxa grown by moist chamber culture method, are 4 new records from Turkey.
Gene Expression Profiling Of The Plant Pathogenic Basidiomycetous Fungus Rhizoctonia Solani Ag 4 Reveals Putative Virulence Factors, Dilip K. Lakshman, Nadim Alkharoud, Daniel P. Roberts, Savithiry S. Natarajan, Amitava Mitra
Gene Expression Profiling Of The Plant Pathogenic Basidiomycetous Fungus Rhizoctonia Solani Ag 4 Reveals Putative Virulence Factors, Dilip K. Lakshman, Nadim Alkharoud, Daniel P. Roberts, Savithiry S. Natarajan, Amitava Mitra
Department of Plant Pathology: Faculty Publications
Rhizoctonia solani is a ubiquitous basidiomycetous soilborne fungal pathogen causing damping- off of seedlings, aerial blights and postharvest diseases. To gain insight into the molecular mechanisms of pathogenesis a global approach based on analysis of expressed sequence tags (ESTs) was undertaken. To get broad gene-expression coverage, two normalized EST libraries were developed from mycelia grown under high nitrogen-induced virulent and low nitrogen/methylglucose-induced hypovirulent conditions. A pilot-scale assessment of gene diversity was made from the sequence analyses of the two libraries. A total of 2280 cDNA clones was sequenced that corresponded to 220 unique sequence sets or clusters (contigs) and 805 …
Effects Of Early Application Timing Of Foliar Fungicides In Field Corn In Central Nebraska, 2011, C. M. Schleicher, T. A. Jackson
Effects Of Early Application Timing Of Foliar Fungicides In Field Corn In Central Nebraska, 2011, C. M. Schleicher, T. A. Jackson
Department of Plant Pathology: Faculty Publications
A foliar fungicide early application timing trial was conducted at the University of Nebraska-Lincoln South Central Agricultural Laboratory near Clay Center, NE. DeKalb corn hybrid DKC 62-54, rating of “good” (6 out of 9) for gray leaf spot (GLS) and “excellent” (2 out of 9) for common rust (CR), was planted on 3 May in 30 in. rows with a target population of 32,000 plants/A. The trial area was disked with a crop history of seven years of continuous corn. On 9 May before plant emergence, a herbicide program of Roundup (1 pt/A), Verdict (16 fl oz/A) and Atrazine (1 …
An Annotated Checklist Of The Horse Flies (Diptera: Tabanidae) Of Lebanon With Remarks On Ecology And Zoogeography: Pangoniinae And Chrysopsinae, Günter Müller, Theo Zeegers, Jerome Hogsette, Edita E. Revay, Vasiliy Kravchenko, Andrey Leshvanov, Yosef Schlein
An Annotated Checklist Of The Horse Flies (Diptera: Tabanidae) Of Lebanon With Remarks On Ecology And Zoogeography: Pangoniinae And Chrysopsinae, Günter Müller, Theo Zeegers, Jerome Hogsette, Edita E. Revay, Vasiliy Kravchenko, Andrey Leshvanov, Yosef Schlein
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Knowledge of the horse fly fauna (Diptera: Tabanidae) of Lebanon is fragmentary, while the local fauna of most neighboring countries has been fairly well researched. Within the framework of the 20-year project “The ecology and zoogeography of the Lepidoptera of the Near East,” we regularly collected biting flies in the whole region, including Lebanon. During this time we recorded 14 horse fly species for two subfamilies in Lebanon: four Pangoniinae and ten Chrysopsinae. Only a single species, Chrysops flavipes Meigen, 1804, was known previously in Lebanon, but the following four Pangoniinae: Pangonius haustellatus (Fabricius, 1781), Pangonius obscuratus Loew, 1859, Pangonius …
Survey Of The Native And Nonnative Vascular Plant Species Of Three Islands In Lake Winnipesaukee, New Hampshire, Mark Gardner Winkler
Survey Of The Native And Nonnative Vascular Plant Species Of Three Islands In Lake Winnipesaukee, New Hampshire, Mark Gardner Winkler
Electronic Theses and Dissertations
This study examined the long-term patterns in vascular plant composition on three islands in Lake Winnipesaukee, NH. It also tested the role of island biogeography in ecology as it analyzed the effectiveness of a land use plan implemented on the islands. Samplings were made on the islands in the summer of 2011 and were compared to earlier samplings in 1978, 1991, and 2001. The flora was observed and measured in 25 permanent plots that were established on the three islands in 1978. The understory flora was measured by presence and percent cover and the overstory was measured by frequency and …
Effects Of Root-Zone Temperature And N, P, And K Supplies On Nutrient Uptake Of Cucumber (Cucumis Sativus L.) Seedlings In Hydroponics, Qiuyan Yan, Zengqiang Duan, Jingdong Mao, Xun Li, Fei Dong
Effects Of Root-Zone Temperature And N, P, And K Supplies On Nutrient Uptake Of Cucumber (Cucumis Sativus L.) Seedlings In Hydroponics, Qiuyan Yan, Zengqiang Duan, Jingdong Mao, Xun Li, Fei Dong
Chemistry & Biochemistry Faculty Publications
The nutrient uptake and allocation of cucumber (Cucumis sativus L.) seedlings at different root-zone temperatures (RZT) and different concentrations of nitrogen (N), phosphorus (P), and potassium (K) nutrients were examined. Plants were grown in a nutrient solution for 30 d at two root-zone temperatures (a diurnally fluctuating ambient 10°C-RZT and a constant 20° C-RZT) with the aerial parts of the plants maintained at ambient temperature (10°C -30°C). Based on a Hoagland nutrient solution, seven N, P, and K nutrient concentrations were supplied to the plants at each RZT. Results showed that total plant and shoot dry weights under …
The Sign And Strength Of Plant-Soil Feedback For The Invasive Shrub, Lonicera Maackii, Varies In Different Soils, Kelly Schradin, Don Cipollini
The Sign And Strength Of Plant-Soil Feedback For The Invasive Shrub, Lonicera Maackii, Varies In Different Soils, Kelly Schradin, Don Cipollini
Biological Sciences Faculty Publications
Plants alter soil characteristics causing changes in their subsequent growth resulting in positive or negative feedback on both their own fitness and that of other plants. In a greenhouse study, we investigated whether the sign and strength of feedback changed across two distinct soil types, and whether effects were due to shifts in biotic or abiotic soil traits. Using soils from two different locations, we examined growth of the exotic invasive shrub, Lonicera maackii and the related native shrub, Diervilla lonicera, in unconditioned soils and in soils conditioned by previous growth of L. maackii, D. lonicera, and …
Effects Of Reactive Oxygen Species On Life History Traits Of Caenorhabditis Elegans, Samson William Smith
Effects Of Reactive Oxygen Species On Life History Traits Of Caenorhabditis Elegans, Samson William Smith
Dissertations and Theses
Evolutionary life history theory predicts that tradeoffs among fitness-related phenotypes will occur as a result of resource limitations and/or physiological constraints. Such tradeoffs are defined as the cost(s) incurred on one component of fitness (e.g., reproduction) by the increased expression of another fitness-related trait (e.g., longevity). Only recently have researchers begun to investigate the mechanistic bases of life history tradeoffs. A recent proposal is that reactive oxygen species (ROS) have a central role in shaping life history traits and tradeoffs. Research on disparate animal taxa has highlighted strong correlations between oxidative stress resistance and fitness-related life history traits, for example. …