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Articles 1531 - 1560 of 1739
Full-Text Articles in Life Sciences
Tibetan Medical Plants, Kemal Hüsnü Can Başer
Tibetan Medical Plants, Kemal Hüsnü Can Başer
Turkish Journal of Botany
No abstract provided.
Endemic Plants Of Greece The Peloponnese, K. Hüsnü Can Başer
Endemic Plants Of Greece The Peloponnese, K. Hüsnü Can Başer
Turkish Journal of Botany
No abstract provided.
Establishment Of Cell Suspension Cultures And Plant Regeneration In Sugar Beet (Beta Vulgaris L.), Songül Gürel, Ekrem Gürel, Zeki̇ Kaya
Establishment Of Cell Suspension Cultures And Plant Regeneration In Sugar Beet (Beta Vulgaris L.), Songül Gürel, Ekrem Gürel, Zeki̇ Kaya
Turkish Journal of Botany
The establishment of cell suspension culture from the callus of sugar beet (Beta vulgaris L.) breeding lines and plant regeneration from suspension-derived callus are described in this study. Using different concentrations and combinations of BAP and 2,4-D, the growth patterns of cell suspension cultures were examined during a range of culture periods (0, 3, 5, 7, 9, 11, 13 and 15 days). In all lines, the growth rates of cells were initially slow but as the culture proceeded, they increased significantly and accumulated great amounts of biomass over a period of 15 days. Medium containing high BAP (0.25 mg/l) and …
Phytoplankton Species' Succession And Nutrients In The Southern Black Sea (Bay Of Sinop), Muhammet Türkoğlu, Tufan Koray
Phytoplankton Species' Succession And Nutrients In The Southern Black Sea (Bay Of Sinop), Muhammet Türkoğlu, Tufan Koray
Turkish Journal of Botany
The succession, annual cycle and diversity of phytoplankton species and seasonal changes in nutrients in the southern Black Sea (around Sinop peninsula) were investigated between August 1995 and July 1996. One species of Cyanophyceae, 83 taxa of Dinophyceae, 1 species of Prymnesiophyceae, 5 taxa of Dictyochophyceae, 88 taxa of Bacillariophyceae and 1 species of Euglenophyceae were identified. A list of phytoplankton species together with annual variations was prepared. Changes in community structure, density and diversity are discussed in relation to the physico-chemical features of the water column.
Flora Of Tuzaklı, Otluk, Gidefi Mountains And Surroundings (Akseki), Ahmet Duran
Flora Of Tuzaklı, Otluk, Gidefi Mountains And Surroundings (Akseki), Ahmet Duran
Turkish Journal of Botany
The natural and cultivated plants of Tuzaklı, Otluk, Gidefi mountains and their surroundings were studied between 1994 and 1997; 2486 herbarium specimens belonging to 1023 taxa, 484 genera and 98 families were collected and identified from the areas. Sixty-one taxa are cultivated and the rest are native plants. The phytogeographic elements are represented in the study area as follows: Mediterranean 360 (37.4%), Irano-Turanian 86 (8.9%) and Euro-Siberian 35 (3.6%). The phytogeographic regions of 481 (50%) taxa are either multi-regional or unknown. Phytogeographic regions are recommended for 12 taxa, of which phytogeographic regions have not been previously suggested. The life forms …
Influence Of The Inorganic Carbon Addition On Photosynthesis Of Algae And Some Macrophytes, Meri̇ç Albay, Jan Pokorny
Influence Of The Inorganic Carbon Addition On Photosynthesis Of Algae And Some Macrophytes, Meri̇ç Albay, Jan Pokorny
Turkish Journal of Botany
A two-step experiment was conducted in order to understand whether natural algal communities (fish-pond water) and selected macrophytes (Potamogeton pectinatus L. Elodea nuttallii (Planch.). St.John. and Utricularia L. sp.) + algae were limited by lack of inorganic carbon (IC). First, 0.6 ml 1 M KHCO_3- was added to the water of Vajgar and Ratmirovsky ponds, South Bohemia, and incubated for 180 minutes under 125 µE m^{-2} s^{-1} light. Then light intensity was increased to 150 µE m^{-2} s^{-1} and 0.6 ml 1 M KHCO_3- was added to selected macrophytes + Vajgar pond waters and incubated for 50 and 180 minutes. …
A New Record For The Flora Of Turkey: Physalis Philadelphica Lam. Var. Immaculata Waterf. (Solanaceae), Beki̇r Bükün, F. Nezi̇hi̇ Uygur, Si̇bel Uygur, Necaatti̇n Türkmen, Atabay Düzenli̇
A New Record For The Flora Of Turkey: Physalis Philadelphica Lam. Var. Immaculata Waterf. (Solanaceae), Beki̇r Bükün, F. Nezi̇hi̇ Uygur, Si̇bel Uygur, Necaatti̇n Türkmen, Atabay Düzenli̇
Turkish Journal of Botany
A new species, Physalis philadelphica Lam. var. immaculata Waterf. (Solanaceae) is reported for the first time for the flora of Turkey
Comparison Of Soil Fungi Flora In Burnt And Unburnt Forest Soils In The Vicinity Of Kargıcak (Alanya, Turkey), Ayşe Di̇lek Azaz, Osman Pekel
Comparison Of Soil Fungi Flora In Burnt And Unburnt Forest Soils In The Vicinity Of Kargıcak (Alanya, Turkey), Ayşe Di̇lek Azaz, Osman Pekel
Turkish Journal of Botany
Out of the 50 soil samples taken from burnt forest land in the vicinity of the village of Kargıcak in Alanya and from the adjacent normal forest soils by the Soil Dilution Plate Method 84 different species and 12 sterile microfungi taxa were obtained. Seventy-eight of them belong to Hyphomycetes, five to Mucorales and one to Coelomycetes. The richest taxa were Penicillium (34 species), Aspergillus (16 species) and Cladosporium (5 species). As a result of quantitative analysis, it was determined that there was average of 43,780 propagules of microfungi in a bulk of fresh burnt forest soil equivalent to 1 …
The Flora Of Eğerli Mountain (Amasya-Turkey), Arzu Cansaran
The Flora Of Eğerli Mountain (Amasya-Turkey), Arzu Cansaran
Turkish Journal of Botany
The floristical characteristics of Eğerli Mountain (Eğerli Dağı) are given and the vascular plant species growing there are documented. The research was carried out between 1996 and 1998. Approximately 2000 plant specimens were collected from the area. At the end of the study, 650 taxa (at specific and infraspecific ranks) belonging to 70 families and 298 genera were identified. Fifty-five taxa were defined as new records for the A5 square. The largest family was found to be Asteraceae (78 species) and the second largest one was Fabaceae (77 species). The largest genera were Astragalus L. (23 species), Silene L. and …
A New Generic Records For Turkey, Lütfi̇ Behçet, Murat Ünal
A New Generic Records For Turkey, Lütfi̇ Behçet, Murat Ünal
Turkish Journal of Botany
The monotypic Clastopus Bunge ex Boiss. (Cruciferae) is recorded for the first time from south-east Turkey. The diagnostic characters of C. vestitus (Desv.) Boiss. are described and its ecology and conservation discussed.
Flora Of Mount Musa (Hatay-Turkey), Atabay Düzenli̇, Hali̇l Çakan
Flora Of Mount Musa (Hatay-Turkey), Atabay Düzenli̇, Hali̇l Çakan
Turkish Journal of Botany
The field studies have been carried out to determine the flora of Mount Musa between 1994-1996. Nearly, 1000 plant specimens were collected. After identification of these specimens, total flora has been determinated as 522 taxa at specific and subspecific ranks belonging to 287 genera and 87 families. The largest three families are Fabaceae (67 species), Asteraceae (55 species) and Lamiaceae (45 species). The largest genus is Trifolium L. (14 species) and the second is Vicia L. (11 species). Mount Musa is take part in the Mediterranean phytogeographical region. The phytogeographical spectrums of species are as follows: Mediterranean elements, 213 species …
The Low Above-Zero Temperature Effect In The Zone Of Roots On Nitrate Reductase Activity In Pea Organs In The Process Of Vegetating, G. G. Vasilieva, N. V. Mironova, A. K. Glyanko
The Low Above-Zero Temperature Effect In The Zone Of Roots On Nitrate Reductase Activity In Pea Organs In The Process Of Vegetating, G. G. Vasilieva, N. V. Mironova, A. K. Glyanko
Turkish Journal of Botany
Experiments with pea (Pisum sativum L.) cv. Marat) in a phytotron chamber showed that the process of nitrate assimilation in pea organs depends on temperature in the zone of the roots and on the phase of development of the plants. The potential of tissues of different organs for nitrate reduction was compared to the amount of nitrates which they accumalated. A decrease in nitrate reductase activity during certain phases of development is assumed to be related to the process of formation and functioning of nodules.
The Moss Flora Of Ankara - Kızılcahamam Soğuksu National Park, Güray Uyar, Barbaros Çeti̇n
The Moss Flora Of Ankara - Kızılcahamam Soğuksu National Park, Güray Uyar, Barbaros Çeti̇n
Turkish Journal of Botany
In the Ankara-Kızılcahamam Soğuksu National Park,116 taxa of bryophytes were identified by the authors. These belong to 20 families and 42 genera of bryophytes. Of these, 32 taxa are new for the A2 grid-square in the system adopted by Henderson.
The Bryophyta Flora Of Giresun Province Centre And Near Vicinity, Turan Özdemi̇r
The Bryophyta Flora Of Giresun Province Centre And Near Vicinity, Turan Özdemi̇r
Turkish Journal of Botany
In this study, 73 taxa were identified by the author. These belong to 28 families and 47 genera of Bryophyta. Of these, 13 taxa (Pogonatum nanum P.Beauv., Encalypta alpina Sm., Tortula norvegica (Web.) Wohl. & Lind., Barbula vinealis Brid., Gymnostomum calcareum Nees & Hornsch., Grimmia donniana Sw., Bryum gemmiparum De Not., Epipterygium tozeri (Grev.) Lind., Pterogonium gracile (Hedw.) Sm., Homalia trichomanoides (Hedw.) B.S.&G., Cratoneuron commutatum (Hedw.) Roth., Scorpiurium circinatum (Brid.) Fleisch. & Loeske, Eurhynchium praelongum var. rigidum Boul.) are new for the A4 grid-square adopted by Henderson & Prentice (1961). In addition, 20 taxa are new records for Giresun province.
Two New Varieties And A New Record In Onobrychis From Turkey, Ekrem Aktoklu
Two New Varieties And A New Record In Onobrychis From Turkey, Ekrem Aktoklu
Turkish Journal of Botany
Two new Onobrychis Miller (Fabaceae) varieties are described and illustrated from east Anatolia: O. fallax Freyn & Sint. var. longifolia Aktoklu and O. atropatana Boiss. var. grandiflora Aktoklu. Onobrychis meschetica Grossh. is a new record from Turkey; a full description is given.
Contributions To The Macrofungi Flora Of Bitlis Province, Abdullah Kaya
Contributions To The Macrofungi Flora Of Bitlis Province, Abdullah Kaya
Turkish Journal of Botany
This study was carried out on macrofungi samples collected in Bitlis province between 1997 and 2000. As a result of field and laboratory studies, 60 species belonging to 17 families were identified. Four of them, Coprinus xanthotrix Romagn., Psathyrella atomata (Quél) Fr., Rhodocybe fallax (Quél) Sing. and Polyporus meridionalis (David) Jahn., are new records for Turkey.
Pollen Flora Of Pakistan-Xxxi Capparidaceae, Anjum Perveen, Mohammad Qaiser
Pollen Flora Of Pakistan-Xxxi Capparidaceae, Anjum Perveen, Mohammad Qaiser
Turkish Journal of Botany
The pollen morphology of 14 species belonging to seven genera viz., Cadaba Forssk., Capparis L., Cleome L., Dipterygium Decaisne, Gynandropsis DC., Maerua Forssk., of the family Capparidaceae, was investigated using a light microscope and scanning microscope. The results confirm the eurypalynous nature of the family. However, palynology is significantly helpful at the specific level. Pollen grains usually radially symmetrical, isopolar, sub-prolate to prolate, generally tricolporate, often tetra-colporate. Tectum generally spinulose, or striate-rugulate, or rugulate-reticulate often sub-psilate.
New And Poorly Known Genera Of Microfungi For Turkey, Elşad Hüseyi̇n, Faruk Selçuk
New And Poorly Known Genera Of Microfungi For Turkey, Elşad Hüseyi̇n, Faruk Selçuk
Turkish Journal of Botany
The genus Kabatia Bubâk and species K. mirabilis Bubâk var. oblongifoliae Conners are new records for Turkey. The genus Lasiobotrys Kunze and species L. lonicerae (Fr.) Kunze on a new host plant (Lonicera caucasica Pallas) are poorly known in Turkey and are a new record for the Black Sea coast.
The Origin Of The 'Wild Orchards' Of Central Anatolia, Henk Woldring, Rene Cappers
The Origin Of The 'Wild Orchards' Of Central Anatolia, Henk Woldring, Rene Cappers
Turkish Journal of Botany
Palynological investigations have revealed that the deforestation of Central Anatolia started c. 4000 BP. At present, most of the land is cultivated and only small patches of woodland occur in remote mountain areas. These woodlands are dominated by deciduous oaks ( Quercus L. spp.) or locally by junipers ( Juniperus L. spp.). A pattern of scattered fruit trees, the so-called wild orchards, characterizes the cultivated fields. Another type of arboreal vegetation is found on isolated rock outcrops in the fields. Surveys of the vegetation types show that oaks are uncommon among the fields and on the rock outcrops. By contrast, …
The Effect Of Glycinebetaine On The Heat Stability Of Photosynthetic Reactions In Thylakoid Membranes, Yagut M. Allakhverdieva, Mahir D. Mamedov, Ralphreed A. Gasanov
The Effect Of Glycinebetaine On The Heat Stability Of Photosynthetic Reactions In Thylakoid Membranes, Yagut M. Allakhverdieva, Mahir D. Mamedov, Ralphreed A. Gasanov
Turkish Journal of Botany
Heat inactivation of various photosynthetic electron transport reactions were investigated in the presence/absence of glycinebetaine (betaine) in unstacked thylakoid membranes from spinach. The activity of Photosystem II (PS II) is more sensitive to heat than that of Cytochrome bf (cyt.bf) and Photosytem I (PS I) complexes. The data obtained clearly demonstrated the protection of PS II and PS I electron transfer by betaine under high temperatures. The phenomena observed are probably related to the stabilization of the higher-order structures of PS II and PS I by betaine.
Periodical Effect Of Cement Dust Pollution On The Growth Of Some Plant Species, Muhammad Zafar Iqbal, Muhammad Shafiq
Periodical Effect Of Cement Dust Pollution On The Growth Of Some Plant Species, Muhammad Zafar Iqbal, Muhammad Shafiq
Turkish Journal of Botany
A significant reduction in plant cover, height and number of leaves for Carissa carandas L. was observed. Azadirachta indica(L.) A.Juss. showed no significant changes in plant cover and height with the exception of number of leaves. A. indicashowed a significant (p
Callus Development And Indirect Shoot Regeneration From Seedling Explants Of Sugar Beet ( Beta Vulgarisl.) Cultured In Vitro, Songül Gürel, Ekrem Gürel, Zeki̇ Kaya
Callus Development And Indirect Shoot Regeneration From Seedling Explants Of Sugar Beet ( Beta Vulgarisl.) Cultured In Vitro, Songül Gürel, Ekrem Gürel, Zeki̇ Kaya
Turkish Journal of Botany
For callus production, hypocotyl, cotyledon, petiole and leaf explants from seedlings of different sugar beet ( Beta vulgaris L.) breeding lines were cultured on MS medium containing BAP or KIN in combination with NAA or 2,4-D at 0.0, 0.5 or 1.0 mg/l. The use of both auxins in combination with 0.5 mg/l BAP or 0.5 mg/l KIN resulted in greater amounts of callus from all types of explants. However, hypocotyl and cotyledon explants produced significantly more callus than petiole and leaf explants when the means of all lines were taken into account. Two types of callus were usually obtained, white …
Pollen Flora Of Pakistan - Xxvi. Balsaminaceae, Anjum Perveen, Mohammad Qaiser
Pollen Flora Of Pakistan - Xxvi. Balsaminaceae, Anjum Perveen, Mohammad Qaiser
Turkish Journal of Botany
The pollen morphology of 8 species belonging to a single genus, i.e., Impatiens L., of the family Balsaminaceae, was studied by light microscope and scanning microscope. It is stenopalynous in nature. Pollen grains oblate to sub-oblate, rectangular, tetra-colpate, colpi very short (brevicolpate). Tectum reticulate. Palynology of the family confirms its monotypic status.
Evaluation Of A Method For The Reassessment Of Air Quality By Lichen Mapping In The City Of İzmir, Turkey, Maja Sommerfeldt, Volker John
Evaluation Of A Method For The Reassessment Of Air Quality By Lichen Mapping In The City Of İzmir, Turkey, Maja Sommerfeldt, Volker John
Turkish Journal of Botany
The occurrence of lichens and air pollution in the city of İzmir were investigated according to VDI-Guideline 3799 Part 1. In all, 45 epiphytic lichen species were found in 1092 releves. Different distribution patterns discriminated in the study area were used to evaluate air quality. A predominant part of the city area is heavily polluted; this pollution decreases in green spaces and in the outer zone of the study area. The best air quality values were determined in the southern and western parts of the city zone. A value of 7.3 for the width of the air quality classes shows …
The Clypeate Pollen Grains Of Turkish Iris L. (Iridaceae): Subgenus Scorpiris Sach, Emel Oybak Dönmez, Münevver Pinar
The Clypeate Pollen Grains Of Turkish Iris L. (Iridaceae): Subgenus Scorpiris Sach, Emel Oybak Dönmez, Münevver Pinar
Turkish Journal of Botany
The clypeate pollen grains of some species of Turkish Iris L. (Iridaceae) taxa belonging to the subgenus Scorpiris Spach have been investigated. Attention is given to characteristics of exine sculpturing and the exine shields using light microscopy and scanning electron microscopy. The pollen grains of the Scorpiris are shown to be uniform, especially with regard to pollen shape and exine sculpturing. However, a trend towards greater pollen size accompanied by higher exine shield number is noted from the less specialised taxa to the more specialised taxa. It is also considered that the clypeate pollen type is unique to subgenus Scorpiris …
Floristical Characteristics Of Berit Dağı (Kahramanmaraş), Bayram Yildiz
Floristical Characteristics Of Berit Dağı (Kahramanmaraş), Bayram Yildiz
Turkish Journal of Botany
In this article, the floristical characteristics of Berit Dağı (Berit Mountain) are given and the vascular plant species growing there are documented. Berit Dağı is situated in the north-west of Kahramanmaraş province and at the south of Anatolian diagonal. It is in the transitional zone of the Irano-Turanian and Mediterranean phytogeographical regions. The research was carried out between 1977 and 1981. Approximately 2500 plant specimens were collected from the area. At the end of the study, 1132 vascular plant species (1165 taxa) belonging to 97 families and 462 genera were identified. Of these, 200 (17.6%) species are endemic to Turkey. …
A New Species Of Ribes L. (Grossulariaceae) From East Anatolia, Turkey, Lütfi̇ Behçet
A New Species Of Ribes L. (Grossulariaceae) From East Anatolia, Turkey, Lütfi̇ Behçet
Turkish Journal of Botany
Ribes anatolica Behçet is described and illustrated as a new species (Grossulariaceae) from East Anatolia, Turkey.
Heavy Metal Accumulation And Detoxification Mechanisms In Plants, Abdul R. Memon, Di̇ğdem Aktoprakligi̇l, Ayli̇n Özdemi̇r, Anastassiia Vertii
Heavy Metal Accumulation And Detoxification Mechanisms In Plants, Abdul R. Memon, Di̇ğdem Aktoprakligi̇l, Ayli̇n Özdemi̇r, Anastassiia Vertii
Turkish Journal of Botany
Toxic metal contamination of soil, aqueous waste streams and groundwater causes major environmental and human health problems. The most commonly used methods for dealing with heavy metal pollution are still extremely costly. Phytoremediation is the use of plants to extract, sequester and/or detoxify pollutants and is a new and powerful technique for environmental clean-up. Plants are ideal agents for soil and water remediation because of their unique genetic, biochemical and physiological properties. Considerable advances have been made in recent decades in developing endemic or genetically engineered plants for the remediation of environmental clean-up. In the present review, current knowledge about …
The Effects Of Different Mineral Nutrients On The Levels Of Cytokinins In Maize (Zea Mays L.), Peyami̇ Battal, Beki̇r Ti̇lekli̇oğlu
The Effects Of Different Mineral Nutrients On The Levels Of Cytokinins In Maize (Zea Mays L.), Peyami̇ Battal, Beki̇r Ti̇lekli̇oğlu
Turkish Journal of Botany
In this study, Z (trans-Zeatin) and ZR (trans-Zeatin Riboside) levels in the roots, stems, leaves, flowers and fruits of maize plants (Zea mays L.) were determined using high performance liquid chromatography (HPLC). Plants were grown in media containing macro elements (nitrogen, phosphorus, potassium, calcium, magnesium, sulphur and iron) in optimum, deficient and excess concentrations. According to the average Z values for all periods, the highest Z levels were determined in the roots of plants treated with excessive P (-P); in stems, female flowers treated with excessive K (-K) and in leaves and kernels treated with excessive Ca (-Ca). The highest …
A Study On The Autecology Of Reseda Lutea L. (Resedaceae) Distributed In Western Anatolia, Yunus Doğan
A Study On The Autecology Of Reseda Lutea L. (Resedaceae) Distributed In Western Anatolia, Yunus Doğan
Turkish Journal of Botany
The aim of this study was to determine the autecological characteristics of Reseda lutea L. (Resedaceae) distributed in Western Anatolia. The chemical and physical analysis was carried out on soil and plant samples collected from 54 different localities in Western Anatolia. The results show that the plant generally prefers sandy-loam and sandy-clayey-loam textural soils, with a slightly alkaline or medium alkaline pH. They prefer non-saline, calcareous soils which are poor in potassium and phosphorus, but the nitrogen content of the soils was found to vary greatly. The soil and plant analysis results were evaluated statistically and correlations were established.