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Articles 5191 - 5220 of 10756

Full-Text Articles in Botany

2005 Virginia Wildflower Of The Year: Bloodroot, Sanguinaria Canadensis, W. John Hayden Jan 2005

2005 Virginia Wildflower Of The Year: Bloodroot, Sanguinaria Canadensis, W. John Hayden

Biology Faculty Publications

Bloodroot is an herbaceous perennial that grows from a persistent, branched underground stem or rhizome. Early each spring, while the forest canopy is still bare, each well-developed rhizome tip produces one leaf and one flower stalk. The leaf is kidney-shaped in its overall outline, but it is also divided into a pattern of rounded lobes and sinuses, rendering a complex overall shape. At flowering time, bloodroot leaves form a loose vertically-oriented collar around the flower stalk with the bluish-green lower leaf surface forming the outside of the collar; as the season progresses, the leaves open flat and expand to their …


Lichens Of Giresun District Giresun Province, Turkey, Kadi̇r Kinalioğlu Jan 2005

Lichens Of Giresun District Giresun Province, Turkey, Kadi̇r Kinalioğlu

Turkish Journal of Botany

One hundred and six lichen taxa are reported from the city of Giresun and Giresun Island, Turkey. One of these, Phaeographis dendritica (Ach.) Müll.Arg., is new to Turkey.


Myxomycetes From Trabzon And Giresun Provinces (Turkey), İjlal Ocak, İsmet Hasenekoğlu Jan 2005

Myxomycetes From Trabzon And Giresun Provinces (Turkey), İjlal Ocak, İsmet Hasenekoğlu

Turkish Journal of Botany

This study serves as a checklist of the myxomycetes of Trabzon and Giresun provinces, Turkey. Sixty-one myxomycete were identified, 20 of which were collected in the field and 41 grown in moist chamber culture. In addition, we report all taxa new for Giresun and Trabzon, including the following 15 taxa new to Turkey: Licea biforis Morgan, Cribraria intricata Schrad., C. macrocarpa Schrad., Lycogala exiguum Morgan, Arcyria globosa Schw., A. nigella Emoto, A. magna Rex, Trichia erecta Rex, Dianema corticatum A.Lister, Craterium concinnum Rex, Didymium anellus Morgan, Comatricha acanthodes Alexop., C. pulchella (C.Bab.) Rost., C. tenerrima (M.A.Curt.) G.Lister and Lamproderma scintillans …


Colonisation Of Epipelic Diatoms On The Littoral Sediments Of İzmit Bay, Yelda Aktan, Güler Aykulu Jan 2005

Colonisation Of Epipelic Diatoms On The Littoral Sediments Of İzmit Bay, Yelda Aktan, Güler Aykulu

Turkish Journal of Botany

Seasonal variations in the composition, density and diversity of the epipelic diatom assemblages were investigated monthly from March, 1999, to September, 2000, at 8 sampling sites chosen in the littoral of İzmit Bay. The main physical and chemical parameters, which affected species composition and density, were also measured on every sampling date. During the study period, 3 centric and 41 pennate diatoms were recorded in the epipelic diatom flora of the bay. Achnanthes Bory spp., Amphora exigua W.Greg. and Navicula tripunctata (O.Müll.) Bory were dominant in terms of frequency and density. In general, the bay showed a small species diversity …


Bryophytes Of Turkey: An Annotated Reference List Of The Species With Synonyms From The Recent Literature And An Annotated List Of Turkish Bryological Literature, Harald Kürschner, Adnan Erdağ Jan 2005

Bryophytes Of Turkey: An Annotated Reference List Of The Species With Synonyms From The Recent Literature And An Annotated List Of Turkish Bryological Literature, Harald Kürschner, Adnan Erdağ

Turkish Journal of Botany

Based on published records, in Turkey 3 species of Anthocerotopsida, 163 species and intraspecific taxa of Hepaticopsida and 721 species and intraspecific taxa of Bryopsida are recognised. They are listed in alphabetical order in a reference list to achieve a certain standardisation in the use of names. Including synonyms, in total 1731 names are treated. Critical taxa, doubtful records or taxonomical remarks are briefly discussed in 77 annotations. In addition, an up-to-date list of 219 references (from 1829 to January 2004) on the bryological literature of Turkey is given. The references are annotated and provide information on content, especially on …


The Flora Of Kalecik Mountain (Şanlıurfa, Turkey), Mahmut Aydoğdu, Hasan Akan Jan 2005

The Flora Of Kalecik Mountain (Şanlıurfa, Turkey), Mahmut Aydoğdu, Hasan Akan

Turkish Journal of Botany

This research was carried out in 2002 and 2003 in order to determine the flora of Kalecik Mountain. The research area is situated in Şanlıurfa province and within C7 of the grid system. In the area, 238 taxa belonging to 39 families, and 140 genera, were determined. Of all the collected specimens, 28 taxa are new records for C7, and 13 (5.46%) taxa are endemic for Turkey. In the distribution of the species according to floristic regions, Irano-Turanian elements ranked first with a rate of 39.07%, followed by Mediterranean elements with a rate of 8.40% and Euro-Siberian elements with a …


A Correction To “New Records Of The Myxobiota Of Turkey” By R. Batur And C. Cem Ergül, C. Cem Ergül Jan 2005

A Correction To “New Records Of The Myxobiota Of Turkey” By R. Batur And C. Cem Ergül, C. Cem Ergül

Turkish Journal of Botany

No abstract provided.


Purification And Partial Characterisation Of An Acid Lipase In Germinating Lipidbody Linseedlings, Reda Helmy Ahmed Sammour Jan 2005

Purification And Partial Characterisation Of An Acid Lipase In Germinating Lipidbody Linseedlings, Reda Helmy Ahmed Sammour

Turkish Journal of Botany

Electrophoretic analysis of germinating linseed proteins showed a gradual decrease in the quantity of a protein with a molecular weight of 42 kDa. This protein accumulates after 36 h of germination in synchronisation with an increase in lipase activity, and a decrease in the quantity of the total lipids. The 42 kDa subunit was found to be a lipid body membrane protein. This protein was isolated and identified by immunoprecipitation as a subunit of lipase. The linseed lipase acted on a wide range of triacylglycerols and had optimal activity at pH 4.7. The activity of the enzyme was slightly affected …


The Flora Of Erciyes Dağı (Kayseri, Turkey), Cem Vural, Zeki̇ Aytaç Jan 2005

The Flora Of Erciyes Dağı (Kayseri, Turkey), Cem Vural, Zeki̇ Aytaç

Turkish Journal of Botany

This research details the flora of Erciyes Dağı, situated in the province of Kayseri in Central Anatolia, entirely within the Irano-Turanian phytogeographic region. A total of 2554 plant specimens were collected from the research area between 1996 and 2002. An evaluation of these specimens revealed 89 families, 433 genera and 1170 taxa (1116 species, 31 subspecies and 23 varieties). Of the 1170 taxa, 11 are pteridophytes, 12 gymnosperms and 1147 angiosperms (979 dicotyledons and 168 monocotyledons). Of these taxa, 36 are cultivars. According to the number of taxa, Asteraceae, Fabaceae and Poaceae are the largest families (137 Asteraceae, 116 Fabaceae, …


In Vitro Mass Propagation Of Cucumis Sativus L. From Nodal Segments, Naseem Ahmad, Mohammad Anis Jan 2005

In Vitro Mass Propagation Of Cucumis Sativus L. From Nodal Segments, Naseem Ahmad, Mohammad Anis

Turkish Journal of Botany

An efficient reproducible protocol for the in vitro multiplication of cucumber (Cucumis sativus L.), an important vegetable crop, was developed from nodal explants. Addition of casein hydrolysate to the shoot induction medium (MS + BA) significantly enhanced the number of multiple shoots or growth of the regenerants. Optimum shoot regeneration was observed on Murashige and Skoog (MS) medium containing 1.0 µM 6-benzyladenine (BA) and (200 mg/l) casein hydrolysate. Rooting of isolated in vitro raised microshoots was readily achieved with (1.0 µM) \alpha-naphthalene-acetic acid (NAA) in 1/2 MS. The plantlets thus obtained were successfully established in a greenhouse.


Three New Records For The Turkish Myxobiota, C. Cem Ergül, Raşi̇t Batur Oran Jan 2005

Three New Records For The Turkish Myxobiota, C. Cem Ergül, Raşi̇t Batur Oran

Turkish Journal of Botany

The myxomycete taxa from south Marmara and Thrace region Craterium leucocephalum (Pers. ex J.F.Gmel.) Ditmar, Physarum pulcherrimum Berk. & Ravanel, and Reticularia liceoides (Lister) Nann.-Bremek. are recorded for the first time from Turkey.


Floristic Lichen Records From Isparta And Burdur Provinces, Şule Öztürk, Şaban Güvenç, Seyhan Oran Jan 2005

Floristic Lichen Records From Isparta And Burdur Provinces, Şule Öztürk, Şaban Güvenç, Seyhan Oran

Turkish Journal of Botany

Seventy-three taxa from Isparta and Burdur provinces were identified. Thirty-eight taxa are new records for Isparta province. Two taxa, Collema cristatum (L.) Weber ex F.H.Wigg. and Squamarina cartilaginea (With.) P.James var. pseudocrassa D.Hawksw., were determined from Burdur province and are new records for Burdur.


A Contribution To The Flora Of Turkey: Padus Avium Mill. Subsp. Petraea (Tausch) Pawlowski Ex Holub., Sali̇h Terzi̇oğlu, Kami̇l Coşkunçelebi̇ Jan 2005

A Contribution To The Flora Of Turkey: Padus Avium Mill. Subsp. Petraea (Tausch) Pawlowski Ex Holub., Sali̇h Terzi̇oğlu, Kami̇l Coşkunçelebi̇

Turkish Journal of Botany

Padus avium Mill. specimens collected from NE Anatolia, A8 Trabzon, Demirkapı and Arpaözü villages, are described as P. avium Mill. subsp. petraea (Tausch) Pawlowski ex Holub. A line drawing and amended description for the flora of Turkey are given.


Chromosome Counts Of Some Veronica L. (Scrophulariaceae) Species From Iran, Shahryar Saeidi Mehrvarz, Ardashir Kharabian Jan 2005

Chromosome Counts Of Some Veronica L. (Scrophulariaceae) Species From Iran, Shahryar Saeidi Mehrvarz, Ardashir Kharabian

Turkish Journal of Botany

The chromosome numbers of 10 Veronica L. species belonging to sect. Alsinebe (Griseb.) Lehm. and sect. Beccabunga Griseb. from northern Iran are given. The chromosome numbers for 3 of the 10 studied taxa, i.e. V. siaretensis E. Lehm., V. ceratocarpa C.A.Mey. (2n = 14) and V. hederifolia L. (2n = 36) are presented for the first time. Our results are compared with previous records.


Wood Anatomy Of Some Turkish Plants With Special Reference To Perforated Ray Cells, Nesi̇me Merev, Zi̇ya Gerçek, Bedri̇ Serdar, Funda Erşen Bak, Turgay Bi̇rtürk Jan 2005

Wood Anatomy Of Some Turkish Plants With Special Reference To Perforated Ray Cells, Nesi̇me Merev, Zi̇ya Gerçek, Bedri̇ Serdar, Funda Erşen Bak, Turgay Bi̇rtürk

Turkish Journal of Botany

This study is a further contribution to a series describing perforated ray cells and the wood anatomy of some Dicotyledons families and their taxa indigenous to Turkey: Berberis vulgaris L. (Berberidaceae), Colutea armena Boiss & Huet (Fabaceae), Coronilla emerus L. (Fabaceae), Chamaecytisus hirsutus (L.) Link. (Fabaceae), Cytisus villosus Pourr. (Fabaceae), Hedera helix L. (Araliaceae), Paliurus spina-christii Mill. (Rhamnaceae), Pistacia lentiscus L. (Anacardiaceae), Salix triandra L. subsp. triandra L. (Salicaceae), Sambucus nigra L. (Caprifoliaceae), Staphylea pinnata L. (Staphyleaceae), Tamarix smyrnensis Bunge (Tamaricaceae), Vitis silvestris Gmelin. and V. vinifera L. (Vitaceae). Perforated ray cells were found either isolated or together in groups, …


Evaluation Of Diagnostic Reproductive And Vegetative Characters Among Tetraploid Triticum L. Species (Poaceae; Triticeae) In Iran, Navaz Kharazian, Mohammad Reza Rahiminejad Jan 2005

Evaluation Of Diagnostic Reproductive And Vegetative Characters Among Tetraploid Triticum L. Species (Poaceae; Triticeae) In Iran, Navaz Kharazian, Mohammad Reza Rahiminejad

Turkish Journal of Botany

This study concerns the evaluation of 19 vegetative and reproductive characters (7 qualitative and 12 quantitative) among 45 accessions belonging to wild and cultivated tetraploid Triticum L. species: T. turgidum L., T. durum Desf., T. dicoccum (Schrank) Schrebler and T. dicoccoides (Koern. ex Aschers. et Graebn.) Aaronsohn, occurring in Iran. The results of this study show that T. turgidum is a distinct species from T. durum, and T. dicoccum showed high similarity to T. dicoccoides. The strong relationship between the latter pair of species may result from a high degree of gene flow between them. The diagnostic characters between T. …


The Flora Of Kaşmer Dağı (Şanlıurfa, Turkey), Hasan Akan, Ömer Faruk Kaya, İsmai̇l Eker, Cenap Cevheri̇ Jan 2005

The Flora Of Kaşmer Dağı (Şanlıurfa, Turkey), Hasan Akan, Ömer Faruk Kaya, İsmai̇l Eker, Cenap Cevheri̇

Turkish Journal of Botany

This research was carried out from 2001 to 2004 in order to determine the flora of Kaşmer Dağı. The research area is situated in Şanlıurfa province and within C7 of the grid system. In the area, 262 taxa belonging to 47 families, and 156 genera were determined. Of all the collected specimens, 33 taxa are new records for C7, and 10 taxa are endemic for Turkey. According to the floristic regions, Irano-Turanian elements ranked first with a rate of 35.87%, followed by Mediterranean elements with a rate of 11.83% and Euro-Siberian elements with a rate of 1.9%. Some 50.4% of …


Giemsa C-Banded Karyotypes Of Vicia Cracca L. Subsp. Cracca And V. Bithynica L., Hüseyi̇n İnceer, Sema Hayirlioğlu Ayaz Jan 2005

Giemsa C-Banded Karyotypes Of Vicia Cracca L. Subsp. Cracca And V. Bithynica L., Hüseyi̇n İnceer, Sema Hayirlioğlu Ayaz

Turkish Journal of Botany

The distribution of heterochromatin on the chromosomes of V. cracca L. subsp. cracca (2n = 14) and V. bithynica L. (2n = 14) was established with the aid of the C-banding technique. The chromosomes of both species have centromeric C-bands. When compared, prominent bands at the ends of the short arms on 4 chromosomes of V. cracca subsp. cracca were observed, while in V. bithynica only 1 chromosome had a prominent band at the end of the long arm. The C-banding patterns in the 2 species were different, and it was determined that heterochromatic regions were more dense on the …


The Morphological, Anatomical And Ecological Properties Of Endemic Onosma Bracteosum Hausskn. & Bornm. (Boraginaceae)Species, Öznur Ergen Akçi̇n, Ali̇ Engi̇n Jan 2005

The Morphological, Anatomical And Ecological Properties Of Endemic Onosma Bracteosum Hausskn. & Bornm. (Boraginaceae)Species, Öznur Ergen Akçi̇n, Ali̇ Engi̇n

Turkish Journal of Botany

The endemic Onosma bracteosum Hausskn. & Bornm. (Boraginaceae) was investigated morphologically, anatomically and ecologically. It has setae with tuberculate bases. The stem is 15-35 cm tall and erect. The leaves are equifacial and amphistomatous. Stomata cells are anisocytic and anomocytic. The stomata index is 21.25 for the upper epidermis and 25 for the lower epidermis. This plant generally prefers sandy-loamy, sandy-clayey and loamy soils. In the soil samples, the N (23%), P (26%) and K (27%) concentrations were lower in the generative periods than in the vegetative periods. According to the results of plant nutrient analysis, N% (1.140-3.274), P% (0.172-0.403) …


Check-List Of The Genus Colchicum In The Flora Of Turkey, Hasan Akan, İsmai̇l Eker Jan 2005

Check-List Of The Genus Colchicum In The Flora Of Turkey, Hasan Akan, İsmai̇l Eker

Turkish Journal of Botany

A check-list of the genus Colchicum L. in the Flora Turkey is presented, with 36 taxa. A list of taxonomical changes that have occurred since the publication of the Flora of Turkey suppl. II is given. Twenty-seven of them are autumn-flowering species (28 taxa), whereas 8 of them are early-spring species. Thirty-five species (36 taxa) are presented, of which 15 are endemic to Turkey.


Morphological And Anatomical Studies On Thymbra Sintenisii Bornm. & Aznav. (Labiatae), Semra Erken Jan 2005

Morphological And Anatomical Studies On Thymbra Sintenisii Bornm. & Aznav. (Labiatae), Semra Erken

Turkish Journal of Botany

Thymbra sintenisii Bornm. & Aznav. (Labiatae) is a perennial shrub and is represented in Turkey by 2 subspecies (subsp. sintenisii and subsp. isaurica P.H.Davis). In this study, samples collected from different localities were investigated morphologically and anatomically.The morphological features of various organs of the plant such as the stem, leaf and flower are given in detail. In anatomical studies, transverse sections of the stems, leaves and calyx are illustrated.


Two New Records Of Astragalus Species Of The Sections Anthylloidei Dc. And Dissitiflori Dc. From Iran, Farrokh Ghahremaninejad Jan 2005

Two New Records Of Astragalus Species Of The Sections Anthylloidei Dc. And Dissitiflori Dc. From Iran, Farrokh Ghahremaninejad

Turkish Journal of Botany

Astragalus crassispinus Bunge and Astragalus nigrolineatus Sirj. & Rech.f. are new records from Iran. They belong to the sections Anthylloidei DC. and Dissitiflori DC. These species were endemic to Afghanistan.


A New Genus Record For The Flora Of Turkey: Tetradiclis Stev. Ex M.Bieb. (Zygophyllaceae), Ergi̇n Hamzaoğlu, Ahmet Duran, Hossein Akhani Jan 2005

A New Genus Record For The Flora Of Turkey: Tetradiclis Stev. Ex M.Bieb. (Zygophyllaceae), Ergi̇n Hamzaoğlu, Ahmet Duran, Hossein Akhani

Turkish Journal of Botany

Tetradiclis tenella (Ehrenb.) Litw. (Zygophyllaceae), recently collected from Kırıkkale (Central Anatolia), is a new record for the flora of Turkey. A description, its phytogeographical importance, a distribution map and an illustration are given.


Mosses (Musci) Of Değirmenboğazı (Manyas District, Balıkesir), Gökhan Abay, Serhat Ursavaş Jan 2005

Mosses (Musci) Of Değirmenboğazı (Manyas District, Balıkesir), Gökhan Abay, Serhat Ursavaş

Turkish Journal of Botany

The moss specimens collected from Değirmenboğazı and its environment, which were chosen as the research area, were evaluated. A total of 74 taxa belonging to 45 genera and 19 families were identified. Of these, 16 taxa are new records for the B6 grid square in the system adopted by Henderson.


Flora Of Kirmir Valley (Güdül, Ankara), Burcu Tarikahya, Sadik Eri̇k Jan 2005

Flora Of Kirmir Valley (Güdül, Ankara), Burcu Tarikahya, Sadik Eri̇k

Turkish Journal of Botany

This paper describes a floristic study on Kirmir valley, between Güdül and Yeşilöz district, in Ankara province. The study was carried out during 2000-2003 and 1040 vascular plant specimens were collected. Four hundred and forty-eight wild taxa belonging to 266 genera and 74 families were determined. Furthermore, as for cultivated plants, 45 taxa were determined. The total number of wild and cultivated plant species is 493. Thirty-two of the wild taxa are endemic to Turkey and the rate of endemism is 7.1%. The 3 largest families are Asteraceae (43 taxa), Brassicaceae (40 taxa), and Fabaceae (37 taxa). The largest 3 …


Cystoderma Cinnabarinum (Alb. & Schwein.) Fayod, A New Turkish Mycota Record, Ertuğrul Sesli̇ Jan 2005

Cystoderma Cinnabarinum (Alb. & Schwein.) Fayod, A New Turkish Mycota Record, Ertuğrul Sesli̇

Turkish Journal of Botany

Cystoderma cinnabarinum (Alb. & Schwein.) Fayod is recorded for the first time from Turkey. A key to the known Turkish species of Cystoderma Fayod is given.


Age Dependence Of Spiral Grain In White Oaks (Quercus Alba) In Southcentral Illinois, Julia Rauchfuss Dec 2004

Age Dependence Of Spiral Grain In White Oaks (Quercus Alba) In Southcentral Illinois, Julia Rauchfuss

All-Inclusive List of Electronic Theses and Dissertations

Spiral grain, the alignment of wood fibers (tracheids) to the longitudinal axis of trees, is thought to be an indicator of old age and is a phenomenon that has been only studied with destructive sampling methods (cutting down trees). In this study, the usefulness of non-fatal sampling methods and existing methods to quantify spiral grain patterns in living and dead deciduous trees are examined, particularly in white oaks (Quercus alba). The overall goal is to determine if spiral grain growth is a reasonable indicator of tree age. Methods that were tested included the use of a 12 mm increment borer …


The Prairie Naturalist Volume 36, No.4 December 2004 Dec 2004

The Prairie Naturalist Volume 36, No.4 December 2004

The Prairie Naturalist

ROADSIDE BIAS IN POINT COUNT SURVEYS AT ARROWWOOD NATIONAL WILDLIFE REFUGE, NORTH DAKOTA ▪ J. S. Dieni and P. Scherr

HISTORY OF GREATER SAGE-GROUSE IN THE DAKOTAS: DISTRIBUTION AND POPULATION TRENDS ▪ . J. T. Smith, L. D. Flake, K. F. Higgins, and G. D. Kobriger

PATCH USE BY A MONOPHAGOUS HERBIVORE IN FRAGMENTED PRAIRIE LANDSCAPES ▪ . M. J. St. Pierre and S. D. Hendrix

SNOWSHOE HARE OCCURRENCE AND WINTER HABITAT ON THE MISSOURI COTEAU IN NORTH DAKOTA ▪ R. K. Murphy 243

HIGH ABUNDANCE OF NESTING LONG-EARED OWLS IN NORTH DAKOTA ▪ R. K. Murphy, L. J. Rosenfield, …


Pineywoods Native Plant Center News, December 2004, Sfa Gardens, Stephen F. Austin State University Dec 2004

Pineywoods Native Plant Center News, December 2004, Sfa Gardens, Stephen F. Austin State University

SFA Gardens Newsletters

No abstract provided.


Arkansas Soybean Performance Tests 2004, D. G. Dombek, D. K. Ahrent, R. D. Bond, I. L. Eldridge Dec 2004

Arkansas Soybean Performance Tests 2004, D. G. Dombek, D. K. Ahrent, R. D. Bond, I. L. Eldridge

Arkansas Agricultural Experiment Station Research Series

No abstract provided.