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Articles 1 - 30 of 49
Full-Text Articles in Forest Sciences
Distribution Of Quercus Spp. And Pinus Nigra Mixed Standsin Semiarid Northern Central Anatolia, Gülzade Kahveci̇
Distribution Of Quercus Spp. And Pinus Nigra Mixed Standsin Semiarid Northern Central Anatolia, Gülzade Kahveci̇
Turkish Journal of Agriculture and Forestry
Central Anatolia has semiarid ecological conditions that limit tree growth. In addition, long-term human activity has resulted in degradation of existing forests lands. Current forest cover mainly includes oak, juniper, and pine species. In this study, the distribution and present state of Pinus nigra L. and Quercus spp. (Quercus cerris L. and Quercus pubescens L.) mixed stands, and the relationship between different environmental factors and abundance of oaks and pines were analyzed. The results indicate that interactions of environmental variables and human disturbance may have influenced the frequency and abundance of species in the region.
The First Forest Fire History Of The Burabai Region (Kazakhstan)From Tree Rings Of Pinus Sylvestris, Kuralay Mazarzhanova, Arailym Kopabayeva, Nesi̇be Köse, Ünal Akkemi̇k
The First Forest Fire History Of The Burabai Region (Kazakhstan)From Tree Rings Of Pinus Sylvestris, Kuralay Mazarzhanova, Arailym Kopabayeva, Nesi̇be Köse, Ünal Akkemi̇k
Turkish Journal of Agriculture and Forestry
Forest fires are one of the most important events causing an abrupt decrease in tree-ring width. Although humans are the main cause of forest fires, extreme weather or climate change may promote the frequency and severity of fires. The purpose of this study is to reconstruct historical fires in the Burabai Region of Kazakhstan including their frequency and seasons. Five tree cross-sections with fire scars were collected from two different sites, Akylbai and Burabai. After sanding the transversal surfaces of the cross-sections, the year and season of fire scars were determined. We identified 15 fires during the last 300 years …
Effects Of Partial Dehydration Techniques On The Metabolite Compositionin 'Refosk' Grape Berries And Wine, Maja Mikulic Petkovsek, Tjasa Jug, Jan Rescic, Denis Rusjan
Effects Of Partial Dehydration Techniques On The Metabolite Compositionin 'Refosk' Grape Berries And Wine, Maja Mikulic Petkovsek, Tjasa Jug, Jan Rescic, Denis Rusjan
Turkish Journal of Agriculture and Forestry
The aim of the study was to investigate the impact of the on-vine double maturation raisonnée (DMR) and off-vine berry partial dehydration in the chamber (PDC) on the chemical characteristics of the grape and wine grapevine cultivar 'Refosk'. A liquid chromatography-mass spectrometry (LC-MS) system was used for the identification and quantification of phenolics and the HPLC for sugars and organic acids. Berries subjected to DMR partial dehydration reached technological maturity (18.5 °Brix) within 14 days of cane cutting and those under PDC in 22 days upon harvest. The greatest decline in berry weight was recorded in the PDC treatment (14%), …
Occurrence And Population Dynamics Of The Root Lesion Nematodepratylenchus Thornei (Sher And Allen) On Wheat In Bolu, Turkey, Mustafa İmren, Vahdetti̇n Çi̇ftçi̇, Şenol Yildiz, Hali̇l Kütük, Abdelfattah A. Dababat
Occurrence And Population Dynamics Of The Root Lesion Nematodepratylenchus Thornei (Sher And Allen) On Wheat In Bolu, Turkey, Mustafa İmren, Vahdetti̇n Çi̇ftçi̇, Şenol Yildiz, Hali̇l Kütük, Abdelfattah A. Dababat
Turkish Journal of Agriculture and Forestry
Root lesion nematodes (RLNs) are an economically important pest due to their wide host range in the global cropping system. In Turkey, they have been found in every region and attack almost all crops (especially wheat), causing significant damage. This study investigated the occurrence and population dynamics of the root lesion nematode species Pratylenchus thornei on the winter wheat cultivar 'Bayraktar' under field conditions in Bolu Province. Surveys were conducted and a total of 145 root and soil samples were collected. Pratylenchus thornei was detected in 25 soil samples (17.2% of the total samples). Field experiments revealed that P. thornei …
Phenolic Compounds In Floral Infusions Of Various Sambucus Species And Their Interspecific Hybrids, Biljana Todorovic, Maja Mikulic Petkovsek, Franci Stampar, Anton Ivancic
Phenolic Compounds In Floral Infusions Of Various Sambucus Species And Their Interspecific Hybrids, Biljana Todorovic, Maja Mikulic Petkovsek, Franci Stampar, Anton Ivancic
Turkish Journal of Agriculture and Forestry
The main purpose of the present study was to evaluate the diversity and content of various phenolic compounds in floral infusions of 14 elderberry genotypes (3 species and 9 interspecific hybrids). Detailed phenolic analysis was performed using HPLC-MS. Hydroxycinnamic acids (HCAs) were the major phenolic group identified and 3-, 4-, and 5-caffeoylquinic acids were detected in infusions prepared from all analyzed species and interspecific hybrids. Several flavonols were identified in elderberry floral infusions: 8 isorhamnetin derivatives, 6 quercetin derivatives, 2 flavanones, and 6 kaempferol derivatives. The main flavonols detected in all samples were isorhamnetin-3-rutinoside, isorhamnetin dihexoside, quercetin-3-rutinoside, kaempferol-3-rutinoside, and kaempferol …
Physiological And Growth Responses To Experimental Warmingin First-Year Seedlings Of Deciduous Tree Species, Jiae An, Saerom Han, Hanna Chang, Min Ji Park, Seongjun Kim, Jaehong Hwang, Min Seok Cho, Haegeun Chung, Yowhan Son
Physiological And Growth Responses To Experimental Warmingin First-Year Seedlings Of Deciduous Tree Species, Jiae An, Saerom Han, Hanna Chang, Min Ji Park, Seongjun Kim, Jaehong Hwang, Min Seok Cho, Haegeun Chung, Yowhan Son
Turkish Journal of Agriculture and Forestry
Increasing temperature might affect physiological and growth traits of seedlings, which are particularly important for tree survival. This study was conducted to investigate the physiological and growth responses of first-year seedlings to open-field experimental warming during one growing season. Seedlings of three deciduous tree species (Fraxinus rhynchophylla Hance, Zelkova serrata (Thunb.) Makino, and Quercus variabilis Blume) were warmed with infrared heaters with a mean air temperature difference of 3.07 °C between the treatments. Physiological traits (net photosynthetic rate, transpiration rate, stomatal conductance, and total chlorophyll content) were measured in July, September, and October 2014, and growth traits (root collar diameter …
Bioinformatics Profiling And Characterization Of Potentialmicrornas And Their Targets In The Genus Coffea, Farzana Bibi, Muhammad Younas Khan Barozai, Muhammad Din
Bioinformatics Profiling And Characterization Of Potentialmicrornas And Their Targets In The Genus Coffea, Farzana Bibi, Muhammad Younas Khan Barozai, Muhammad Din
Turkish Journal of Agriculture and Forestry
MicroRNAs (miRNAs) are a class of noncoding small endogenous RNAs with lengths of 18 to 26 nucleotides that have been shown to regulate gene expression at posttranscriptional levels by targeting mRNAs for degradation or by inhibiting protein translation. Although thousands of miRNAs have been identified in many species, limited miRNAs have been reported in the genus Coffea, a member of the family Rubiaceae that is endemic to tropical Asia and South Africa. The genus Coffea, whose seeds are known as coffee beans, is used to make coffee. In this study, we identified 51 potential genus Coffea miRNAs, belonging to 51 …
Polyphenols In Northern Hungarian Mentha Longifolia (L.) L. Treatedwith Ultrasonic Extraction For Potential Oenological Uses, Katalin Patonay, Marietta Korozs, Zoltan Muranyi, Erika Pénzesné Kónya
Polyphenols In Northern Hungarian Mentha Longifolia (L.) L. Treatedwith Ultrasonic Extraction For Potential Oenological Uses, Katalin Patonay, Marietta Korozs, Zoltan Muranyi, Erika Pénzesné Kónya
Turkish Journal of Agriculture and Forestry
The main objective of this study is to investigate three equalized batches of a wild Mentha longifolia (ML) population from northern Hungary for extractability by gentle ultrasonic extraction, antioxidant activity, and phenolic constituents. This is the first analytical investigation in a Hungarian population of this species. Antioxidant properties of ML extracts were evaluated with DPPH, photochemiluminescence-O2-. scavenging assay, FRAP, and total polyphenol measurements. HPLC-DAD determination was performed for the main phenolic constituents. The extracts are medium or strong antioxidants in DPPH and FRAP assays and show strong O2-? scavenging capacity. Rutin, quercetin, kaempferol, apigenin, naringenin, rosmarinic, vanillic, gallic, syringic, caffeic, …
Qtls For Iron Concentration In Seeds Of The Cultivated Lentil (Lens Culinaris Medic.) Via Genotyping By Sequencing, Seçi̇l Aldemi̇r, Duygu Ateş, Hülya Yilmaz Temel, Bülent Yağmur, Ahmad Alsaleh, Abdullah Kahri̇man, Hakan Özkan, Albert Vandenberg, Muhammed Bahatti̇n Tanyolaç
Qtls For Iron Concentration In Seeds Of The Cultivated Lentil (Lens Culinaris Medic.) Via Genotyping By Sequencing, Seçi̇l Aldemi̇r, Duygu Ateş, Hülya Yilmaz Temel, Bülent Yağmur, Ahmad Alsaleh, Abdullah Kahri̇man, Hakan Özkan, Albert Vandenberg, Muhammed Bahatti̇n Tanyolaç
Turkish Journal of Agriculture and Forestry
Lentil, Lens culinaris Medic., is an important cool season grain legume because of the high level of iron (Fe) in its seeds since Fe deficiency is widespread and causes anemia. Thus, identifying genes controlling Fe concentration in the seed was needed for mapping in the lentil genome. The objectives of this study were to (i) detect phenotypic variation in Fe concentration in the seeds of a recombinant inbred line (RIL) population, (ii) construct a high-density linkage map using genotyping by sequencing (GBS), and (iii) identify localization of the quantitative trait loci (QTLs) controlling genes for Fe concentration in lentil seeds. …
Agronomic And Chemical Performance Of Selected Origanum Dubium Boiss.Clones For Industrial Use, Kenan Turgut, Yaşar Özyi̇ği̇t, Begüm Tütüncü, Esra Uçar Sözmen
Agronomic And Chemical Performance Of Selected Origanum Dubium Boiss.Clones For Industrial Use, Kenan Turgut, Yaşar Özyi̇ği̇t, Begüm Tütüncü, Esra Uçar Sözmen
Turkish Journal of Agriculture and Forestry
Origanum dubium Boiss. is an economically important wild oregano species that is intensely collected from the natural flora of Antalya, Turkey. This herb is used mainly to produce an essential oil due to its high yield and high carvacrol content. The aim of this study was to improve the biomass yield and essential oil and carvacrol content of O. dubium for industrial use. In preliminary studies, a basic population was established using seeds collected from wild plants and then trials of A and B clones were run. Dry biomass yield per A clone plant and essential oil content varied at …
In Vitro Production Protocol Of Vaccinium Uliginosum L. (Bog Bilberry)Growing In The Turkish Flora, Mustafa Cüce, Atalay Sökmen
In Vitro Production Protocol Of Vaccinium Uliginosum L. (Bog Bilberry)Growing In The Turkish Flora, Mustafa Cüce, Atalay Sökmen
Turkish Journal of Agriculture and Forestry
This novel approach was designed to increase the production capacity of Vaccinium uliginosum L. via direct organogenesis. Lateral buds containing one or two leaves were initially cultured in McCown woody plant medium (WPM), Anderson's rhododendron medium, and Murashige and Skoog basal media, each supplemented with zeatin/indole-3-butyric acid (IBA) and zeatin/naphthalene acetic acid (NAA) (1.0/0.1 mg L-1). WPM containing the zeatin/IBA combination was the most effective as the basal medium. Various plant growth regulators (PGRs) were then investigated for the best shoot multiplication, and zeatin was found to be most favorable PGR in all cases. The highest shoot length and shoot …
Some Growth And Chlorophyll Fluorescence Parameters Of Black And Hybrid Poplar Clones Under Water Stress, Akkin Semerci̇, Nuran Çi̇çek, Fai̇k Alpteki̇n Karahan, Ercan Özyürek, Yeli̇z Kaşko Arici, Yasemi̇n Ekmekçi̇
Some Growth And Chlorophyll Fluorescence Parameters Of Black And Hybrid Poplar Clones Under Water Stress, Akkin Semerci̇, Nuran Çi̇çek, Fai̇k Alpteki̇n Karahan, Ercan Özyürek, Yeli̇z Kaşko Arici, Yasemi̇n Ekmekçi̇
Turkish Journal of Agriculture and Forestry
The effects of water stress on some growth and chlorophyll a fluorescence parameters were investigated in two native black poplar (Populus nigra L.) clones (Kocabey and Gazi) and in two hybrid poplar (Populus × euramericana (Dode) Guinier) clones (I-214 and I-45/51) to determine which among the four clones is the best adapted to water-stress conditions. The potted seedlings were grown under three watering regimes. As a result of the applied watering regimes, the predawn water potential (ψ pd) of seedlings was maintained at about -0.3, -0.9, and -1.6 MPa in control, moderate, and severe water-stress treatments during the experiment, respectively. …
Bud Management Affects Fruit Wood, Growth, And Precocity Of Cherry Trees, İdri̇s Maci̇t, Gregory A. Lang, Hüsnü Demi̇rsoy
Bud Management Affects Fruit Wood, Growth, And Precocity Of Cherry Trees, İdri̇s Maci̇t, Gregory A. Lang, Hüsnü Demi̇rsoy
Turkish Journal of Agriculture and Forestry
As the production benefits of pruning fruit trees have been realized, growers have begun pruning periodically and, accordingly, various canopy training systems have begun to be developed. Following the genetic development of dwarfing rootstocks, interest has grown in the creation of modern training systems for smaller, more efficient orchards. During the formation of these training systems, it became apparent that branches of a certain size can alter the partitioning of growth resources (nutrients and carbohydrates) within the tree, delaying the formation of the target canopy structure as well as fruit bearing. In recent years, studies have focused on management of …
Tree-Induced Changes In A Terra Rossa Soil Under Olive.Observations From An Integrated Field Study, Salvatore Madrau, Claudio Zucca, İhsan Akşi̇t, Zülküf Kaya, Seli̇m Kapur
Tree-Induced Changes In A Terra Rossa Soil Under Olive.Observations From An Integrated Field Study, Salvatore Madrau, Claudio Zucca, İhsan Akşi̇t, Zülküf Kaya, Seli̇m Kapur
Turkish Journal of Agriculture and Forestry
A range of indicators including chemical, physical, morphological, and clay mineral properties were investigated to support an integrated evaluation of the changes induced by a long established olive grove on a red Mediterranean soil. The study area was located in Sardinia (Italy). Two soil profiles were studied in a site where land use had remained unchanged for the previous 150 years: one under the canopy and around the trunk of an olive tree and one between the trees. Chemical analyses including organic matter fractions were performed by horizon. Undisturbed soil samples were collected from aggregates for thin section and scanning …
Effect Of Irrigation Regimes On Carbon Isotope Discrimination, Yield And Irrigation Water Productivity Of Wheat, Sema Kale, Bülent Sönmez, Sevi̇nç Madenoğlu, Kadri̇ Avağ, Ufuk Türker, Gökhan Çayci, Ali̇ Ci̇hat Kütük
Effect Of Irrigation Regimes On Carbon Isotope Discrimination, Yield And Irrigation Water Productivity Of Wheat, Sema Kale, Bülent Sönmez, Sevi̇nç Madenoğlu, Kadri̇ Avağ, Ufuk Türker, Gökhan Çayci, Ali̇ Ci̇hat Kütük
Turkish Journal of Agriculture and Forestry
The present research study was carried out during the years 2009-2010 and 2010-2011 to identify the relationship between carbon isotope discrimination (δ) of grain and leaf, yield of winter wheat, and irrigation water productivity (IWP) under different water conditions in a semiarid climate. The field experiments were conducted with four different irrigation treatments (I1: rainfed: I2: irrigate when calculated soil water depletion is 60 mm below field capacity (full irrigation); I3: two irrigations maximum, one at tillering and another at grain filling; I4: no irrigation after establishment until heading, after which irrigate when soil water depletion is 60 mm below …
Effect Of Sulphuring On Physicochemical Characteristics Andaroma Of Dried Alkaya Apricot: A New Turkish Variety, Letizia Inserra, Turgut Cabaroğlu, Kemal Şen, Elena Arena, Gabriele Ballistreri, Biagio Fallico
Effect Of Sulphuring On Physicochemical Characteristics Andaroma Of Dried Alkaya Apricot: A New Turkish Variety, Letizia Inserra, Turgut Cabaroğlu, Kemal Şen, Elena Arena, Gabriele Ballistreri, Biagio Fallico
Turkish Journal of Agriculture and Forestry
Sulphured and unsulphured sun-dried apricots of Alkaya, a new variety of Prunus armeniaca L. grown in the Malatya region of Turkey, were compared to study the effects of sulphur treatment on their physicochemical characteristics and aroma compounds. Colour, texture, moisture, pH, total soluble solids, sugars, organic acids, and 5-hydroxymethyl furfural contents were determined. Aroma compounds were quantified and identified by GC-MS-FID. Sulphuring treatment before sun-drying had significant effects on some physicochemical properties (pH, titratable acidity, total acids, and colour parameters) and aroma compounds of Alkaya apricots. Colour parameters showed that browning was higher in the unsulphured apricots than in the …
Relations Between Downy/Powdery Mildew Diseases Andsome Phenolic Compounds In Vitis Spp., Ari̇f Atak, Zeki̇ye Göksel, Hüseyi̇n Çeli̇k
Relations Between Downy/Powdery Mildew Diseases Andsome Phenolic Compounds In Vitis Spp., Ari̇f Atak, Zeki̇ye Göksel, Hüseyi̇n Çeli̇k
Turkish Journal of Agriculture and Forestry
Powdery mildew and downy mildew are among the most important diseases of grapevine. The relationship between these diseases and phenolic components has become increasingly important in recent years. This study evaluated changes of total phenolics, total antioxidant activity, and phenolic compounds (gallic acid and rutin hydrate) in some Vitis species. Vitis labrusca cultivars or genotypes, Vitis vinifera cultivars, interspecies hybrids, and a Vitis rotundifolia cultivar's healthy and infected leaves were examined. The contents of healthy material and of samples of plant material infected with both microorganisms (Uncinula necator (Schw.) Burr and Plasmopara viticola (Berk. & M.A. Curtis) Berl & De …
Genetic Variation And Potential Genetic Resources Of Several Romanian Larch Populations, Alina Vilcan (Truta), Lucica Mihalte (Crisan), Adriana F. Sestras, Liviu Holonec, Radu E. Sestras
Genetic Variation And Potential Genetic Resources Of Several Romanian Larch Populations, Alina Vilcan (Truta), Lucica Mihalte (Crisan), Adriana F. Sestras, Liviu Holonec, Radu E. Sestras
Turkish Journal of Agriculture and Forestry
RAPD molecular markers and phenotypic growth traits were joined using different genotypes of Larix decidua (Mill.) to analyze genetic variation. Individual samples of vegetative clones were analyzed from Baciu orchard (obtained through a breeding program from regional stands from Romania) and pooled samples from places of origin (regional stands). Based on coefficients of variation for tree height, diameter, and volume, the greatest genetic variation in the orchard was observed at the Gura Humorului and Anina provenances (24.4%, 27.5%, and 14.4% for Gura Humorului and 26.9%, 29.46%, and 15.5% for Anina). In addition, the trees whose origins are Gura Humorului and …
Genetic Gains In Grain Yield In Spring Wheat In Turkey, Beyhan Akin, Quahir Sohail, Ri̇za Ünsal, Mehmet Nazim Di̇nçer, Lütfü Demi̇r, Hati̇ce Geren, İsmai̇l Sevi̇m, Şi̇nasi̇ Orhan, Şadi̇ye Yaktubay, Alexey Morgunov
Genetic Gains In Grain Yield In Spring Wheat In Turkey, Beyhan Akin, Quahir Sohail, Ri̇za Ünsal, Mehmet Nazim Di̇nçer, Lütfü Demi̇r, Hati̇ce Geren, İsmai̇l Sevi̇m, Şi̇nasi̇ Orhan, Şadi̇ye Yaktubay, Alexey Morgunov
Turkish Journal of Agriculture and Forestry
Genetic gain for grain yield was evaluated in 35 Turkish spring wheat varieties released between 1964 and 2010. The germplasm comprised varieties developed by the East Mediterranean Agricultural Research Institute (ARI) in Adana, the Maize Research Station in Adapazarı, and Aegean ARI in İzmir. Out of 34 varieties studied, 24 were selected from CIMMYT germplasm. The trials were conducted during 2009?2013 at the same three sites. Average yearly genetic gain for all varieties was 30.9 kg/ha or 0.62%. The top five highest yielding varieties were all released after 1998: Ziyabey, Menemen, and Meta (İzmir), and Karatopak and Ceyhan (Adana). Plant …
Contents Of Phenolics And Carotenoids In Tomato Grown Underpolytunnels With Different Uv-Transmission Rates, Bojana Zivanovic, Marija Vidovic, Sonja Milic Komic, Ljubinko Jovanovic, Predrag Kolarz, Filis Morina, Sonja Veljovic Jovanovic
Contents Of Phenolics And Carotenoids In Tomato Grown Underpolytunnels With Different Uv-Transmission Rates, Bojana Zivanovic, Marija Vidovic, Sonja Milic Komic, Ljubinko Jovanovic, Predrag Kolarz, Filis Morina, Sonja Veljovic Jovanovic
Turkish Journal of Agriculture and Forestry
Tomato (Solanum lycopersicum L.) is among the economically most important vegetables in Europe, valued for its bioactive properties due to significant contents of vitamins, carotenoids, and phenolic compounds. In this study, the tomato cultivar Big Beef F1 was grown in the open field (OF) and under polytunnels in central Serbia during 3 years. Polytunnels were covered with two foils (both with 57% reduced photosynthetic active radiation, PAR) differing in UV-A and UV-B transmittance. The aim of our work was to determine the influence of light conditions on accumulation of phytonutrients (carotenoids and phenolics) in the peel and flesh of ripe …
Variation In Damage Levels By Codling Moth To Ten Applecultivars In An Organic Orchard In Poland, Witold Danelski, Dorota Kruczynska, Pawel Bielicki, Elzbieta Rozpara
Variation In Damage Levels By Codling Moth To Ten Applecultivars In An Organic Orchard In Poland, Witold Danelski, Dorota Kruczynska, Pawel Bielicki, Elzbieta Rozpara
Turkish Journal of Agriculture and Forestry
This study was conducted in an experimental ecological orchard in central Poland in 2011-2013. The experiment assessed the variation in damage to the fruit of ten apple cultivars by the codling moth Cydia pomonella (L.) under an organic system of apple cultivation. The cultivars were divided into two groups according to their susceptibility to apple scab Venturia inaequalis (Cooke) Wint. The first group of apple trees (A) consisted of cultivars resistant to scab (Enterprise, Gold Milenium, Rajka, Rewena, and Topaz), while the second group (B) consisted of cultivars with reduced susceptibility to scab (Delbard Jubile, Ligolina, Pinova, Piros, and Szampion). …
Allelic Variations Of Glutenin Subunits And Their Associationwith Quality Traits In Bread Wheat Genotypes, Hüsnü Aktaş, Faheem Shehzad Baloch
Allelic Variations Of Glutenin Subunits And Their Associationwith Quality Traits In Bread Wheat Genotypes, Hüsnü Aktaş, Faheem Shehzad Baloch
Turkish Journal of Agriculture and Forestry
The present study was conducted to evaluate the genotype x environment interaction of the yield and quality traits for five bread wheat varieties commonly grown in the Southeastern Anatolia Region of Turkey and 20 advanced lines developed within the framework of the International Winter Wheat Improvement Project. We also determined the allelic pattern of the Glu-1 and Glu-3 loci of these genotypes and examined whether these loci had an effect on the quality traits. There was a significant variation among the genotypes and environments in terms of grain yield, protein content, sedimentation volume (SV), and the extensograph dough energy value …
Comparison Of Two Halophyte Species (Salsola Soda And Portulaca Oleracea)For Salt Removal Potential Under Different Soil Salinity Conditions, Sema Karakaş, Mehmet Ali̇ Çullu, Murat Di̇ki̇li̇taş
Comparison Of Two Halophyte Species (Salsola Soda And Portulaca Oleracea)For Salt Removal Potential Under Different Soil Salinity Conditions, Sema Karakaş, Mehmet Ali̇ Çullu, Murat Di̇ki̇li̇taş
Turkish Journal of Agriculture and Forestry
Salt-induced land degradation has gradually increased in several major irrigation schemes within arid and semiarid regions. To maximize crop productivity under saline conditions, either salt tolerance crops should be cultivated or areas should be desalinated. One of the most promising and cost-effective ways to maximize crop productivity is to use salt tolerant plants to remove salt from the soil. For this study, four levels of saline soils were cultivated with the halophyte species Salsola soda L. and Portulaca oleracea L. in pots. The soils had the following salinity levels: 1) nonsaline soil (NSS, 0.9 dS m-1), 2) slightly saline soil …
Efficacy Of Trichogramma Evanescens And Bacillus Thuringiensis Var. Kurstaki In Control Of Cydia Pomonella (L.) In Turkey, Sevcan Öztemi̇z, Ali̇ Küden, Serpi̇l Nas, Işilay Lavkor
Efficacy Of Trichogramma Evanescens And Bacillus Thuringiensis Var. Kurstaki In Control Of Cydia Pomonella (L.) In Turkey, Sevcan Öztemi̇z, Ali̇ Küden, Serpi̇l Nas, Işilay Lavkor
Turkish Journal of Agriculture and Forestry
This study was conducted to evaluate the effectiveness of Trichogramma evanescens Westwood (Hymenoptera: Trichogrammatidae) release with as well as without Bacillus thuringiensis var. kurstaki (Berliner) in biological control of Cydia pomonella (L.) (Lepidoptera: Tortricidae) in the Galaxy Gala apple variety grafted onto M9 rootstock in 2016. Four treatments were analyzed: releasing T. evanescens alone (TE), applying B. thuringiensis var. kurstaki (BT) alone, applying both (TE + BT), and a control (C) without any application at all. The experiment design entailed randomized blocks with four replicates. In each generation of the egg stage, 100,000 parasitoids per hectare were released twice (1440 …
Mineralogical And Micromorphological Characteristics Of Red Pineand Oak Root Zone Soils In Southern Turkey, Somayyeh Razzaghi, Nadia Vignozzi, Selim Kapur
Mineralogical And Micromorphological Characteristics Of Red Pineand Oak Root Zone Soils In Southern Turkey, Somayyeh Razzaghi, Nadia Vignozzi, Selim Kapur
Turkish Journal of Agriculture and Forestry
Plant species exert differential effects on soil mineralogical and micromorphological characteristics. The effect of red pine and oak tree roots on the mineralogical and micromorphological characteristics of rhizosphere soils in two sampling sites in the Göksu catchment was studied. The climate, topography, and bedrock conditions were kept consistent, whereas the plant factor was kept as the only variable in each site. Rhizosphere soils under the canopies of 100 years old and naturally occurring trees were compared via macromorphology, submicroscopy, mineralogy, and physical and chemical properties. The soils of red pine (RP1 and RP2 profiles) were determined to have higher porosity …
Pokeweed (Phytolacca Americana L.) Antiviral Protein Inhibits Zucchini Yellow Mosaic Virus Infection In A Dose-Dependent Manner In Squash Plants, Hi̇kmet Murat Si̇pahi̇oğlu, İlhan Kaya, Mustafa Usta, Murat Ünal, Di̇lek Özcan, Meryem Özer Di̇lmen, Abdullah Güller, Vicente Pallas
Pokeweed (Phytolacca Americana L.) Antiviral Protein Inhibits Zucchini Yellow Mosaic Virus Infection In A Dose-Dependent Manner In Squash Plants, Hi̇kmet Murat Si̇pahi̇oğlu, İlhan Kaya, Mustafa Usta, Murat Ünal, Di̇lek Özcan, Meryem Özer Di̇lmen, Abdullah Güller, Vicente Pallas
Turkish Journal of Agriculture and Forestry
Pokeweed antiviral protein (PAP) of Phytolacca americana L. (pokeweed) is a single-chain ribosome-inactivating protein (RIP) characterized by its ability to depurinate plant ribosomes. Here, we isolated, cloned, and expressed the ribosome inactivating protein (RIP) gene, designated as pokeweed antiviral protein type 1 (PAP I), from the summer leaves of pokeweed collected from the Black Sea region (Turkey). Our findings presented here provide direct evidence that exogenous application of PAP I causes concentration-dependent inhibition of Zucchini yellow mosaic virus (ZYMV) infection on squash plants. Squash plants were exposed to PAP I protein with and without DMSO for four consecutive days. Regular …
Selected Engineering Properties Of Tiger Nut As A Function Of Moisture Content And Variety, Ahmet İnce, Kubi̇lay Kazim Vursavuş, Yasemi̇n Vurarak, Pinar Çubukcu, Meli̇h Yavuz Çevi̇k
Selected Engineering Properties Of Tiger Nut As A Function Of Moisture Content And Variety, Ahmet İnce, Kubi̇lay Kazim Vursavuş, Yasemi̇n Vurarak, Pinar Çubukcu, Meli̇h Yavuz Çevi̇k
Turkish Journal of Agriculture and Forestry
Some physical and mechanical properties of two tiger nut varieties (Sarışeker and Balyumru) were determined at four moisture contents. Physical properties including length, width, thickness, geometric mean diameter, mass, 1000-tuber mass, bulk density, tuber density, surface area, terminal velocity, angle of repose, porosity, and friction coefficient were affected by moisture content at a 1% probability level, excluding sphericity. All parameters decreased with a decrease in moisture content except tuber density, porosity, and firmness. Variety only had a statistically significant effect on width, geometric mean diameter surface area, and terminal velocity at different probability levels. Force, deformation, firmness, energy absorbed, and …
Change Of Arginine Content And Some Physiological Traits Under Midseason Drought In Peanut Genotypes With Different Levels Of Drought Resistance, Chorkaew Aninbon, Sanun Jogloy, Nimitr Vorasoot, Suporn Nuchadomrong, Corley Holbrook, Craig Kvien, Aran Patanothai
Change Of Arginine Content And Some Physiological Traits Under Midseason Drought In Peanut Genotypes With Different Levels Of Drought Resistance, Chorkaew Aninbon, Sanun Jogloy, Nimitr Vorasoot, Suporn Nuchadomrong, Corley Holbrook, Craig Kvien, Aran Patanothai
Turkish Journal of Agriculture and Forestry
Peanut production areas frequently suffer from drought, which can cause severe yield losses, increased aflatoxin, and compositional changes in seed. Midseason drought is generally the most detrimental to seed yields and in altering seed protein composition. The purpose of this study was to investigate the effect of midseason drought on arginine content in peanut genotypes with different levels of drought resistance. The experiment was conducted under field conditions for 2 years. Two water regimes (well-watered conditions and no irrigation during 30-60 days after planting) were assigned as main plots, and five peanut genotypes were arranged in subplots. Arginine content of …
De Novo Transcriptome Assembly And Ssr Marker Development In Apricot (Prunus Armeniaca), Muhammed Ali̇ Köse, Necati̇ Çeti̇nsağ, Kahraman Gürcan
De Novo Transcriptome Assembly And Ssr Marker Development In Apricot (Prunus Armeniaca), Muhammed Ali̇ Köse, Necati̇ Çeti̇nsağ, Kahraman Gürcan
Turkish Journal of Agriculture and Forestry
Apricot (Prunus armeniaca) is an important fruit crop worldwide. We have performed a de novo transcriptome assembly for 7 apricot accessions (`Stark Early Orange' (SEO), `Hacıhaliloğlu' (HH), `Perfection', `Iğdır', `Roxana', `Esen1', and `Esen2'), which yielded a total number of transcripts ranging from 30,363 for `SEO' to 59,751 for `Iğdır'. The pool of the reads produced from 7 accessions were assembled into 85,766 transcripts, with an average of 1165.69 nt. Functional annotation (Gene Ontology- GO and Kyoto Encyclopedia of Genes and Genomes- KEGG) was performed successfully for the transcripts. Simple sequence repeats (SSRs) were searched in the transcript pool and 14,722 …
Afforestation Of Arid And Semiarid Ecosystems In Turkey, Servet Çalişkan, Meli̇h Boydak
Afforestation Of Arid And Semiarid Ecosystems In Turkey, Servet Çalişkan, Meli̇h Boydak
Turkish Journal of Agriculture and Forestry
Sustainable management of arid and semiarid forests requires careful planning and implementation. Afforestation by planting and seeding is a fundamental tool for the establishment of new forests on barren landscapes and restoration of degraded forests in arid and semiarid ecosystems. In afforestation efforts, the consideration of site preparation, selection of species, seed source, and planting methods pose a number of ecological and economic challenges. Possessing one of the world's richest floras, Turkey suffered from heavy degradation during the last millennia. Some studies suggested that forests and steppes once covered 60%-70% and 10%-15% of the Anatolian landscape, respectively. Growing population, overgrazing, …