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Articles 1381 - 1410 of 2171
Full-Text Articles in Life Sciences
Partial Purification Of Hen Egg White Lysozyme By Ethanol Precipitation Method And Determination Of The Thermal Stability Of Its Lyophilized Form, Seyhun Gemi̇li̇, Emi̇n Selahatti̇n Umdu, Ni̇lgün Yaprak, Fatma Işik Üstok, Fati̇h Yalçin Güneş Yener, Çi̇ğdem Meci̇toğlu Güçbi̇lmez, Saci̇de Alsoy Altinkaya, Ahmet Yemeni̇ci̇oğlu
Partial Purification Of Hen Egg White Lysozyme By Ethanol Precipitation Method And Determination Of The Thermal Stability Of Its Lyophilized Form, Seyhun Gemi̇li̇, Emi̇n Selahatti̇n Umdu, Ni̇lgün Yaprak, Fatma Işik Üstok, Fati̇h Yalçin Güneş Yener, Çi̇ğdem Meci̇toğlu Güçbi̇lmez, Saci̇de Alsoy Altinkaya, Ahmet Yemeni̇ci̇oğlu
Turkish Journal of Agriculture and Forestry
Lysozyme was partially purified from hen egg white by precipitation of non-lysozyme protein impurities during incubation in the presence of ethanol. The thermal stability of the obtained partially purified enzyme was also characterized. The incubation of diluted egg white for 2-8 h in the presence of 20% ethanol was not very effective for the partial purification of lysozyme by precipitation of major egg white proteins; however, 4- to 6-h or 6- to 8-h incubation of diluted egg white in the presence of 30% and 40% ethanol could be employed more effectively for partial purification of lysozyme. Without applying the incubation …
Influence Of Nutrient Concentrations And Nacl Salinity On The Growth, Photosynthesis, And Essential Oil Content Of Peppermint And Lemon Verbena, S. J. Tabatabaie, J. Nazari
Influence Of Nutrient Concentrations And Nacl Salinity On The Growth, Photosynthesis, And Essential Oil Content Of Peppermint And Lemon Verbena, S. J. Tabatabaie, J. Nazari
Turkish Journal of Agriculture and Forestry
Growth and essential oil content of peppermint (Menhta piperita var. officinalis) and lemon verbena (Lipia citriodora var. Verbena) were evaluated in response to salinity and nutrient solution concentrations, measured as electrical conductivity (EC 0.7, 1.4, 2.8, 5.6, and 5.6_{Na} dS m^{-1}). In peppermint, the highest fresh weight and dry weight were observed in the 1.4 dS m^{-1} treatment. The increased EC with either NaCl or all nutrients at 5.6 dS m^{-1} reduced the fresh weight of lemon verbena. The maximum fresh weight and dry weight in lemon verbena were obtained in both 1.4 and 2.8 dS m^{-1} treatments. Increasing EC …
Fire Development From A Point Source In Surface Fuels Of A Mature Anatolian Black Pine Stand, Ömer Küçük, Ertuğrul Bi̇lgi̇li̇, İsmai̇l Baysal
Fire Development From A Point Source In Surface Fuels Of A Mature Anatolian Black Pine Stand, Ömer Küçük, Ertuğrul Bi̇lgi̇li̇, İsmai̇l Baysal
Turkish Journal of Agriculture and Forestry
A total of 28 line and 24 point-source fires were ignited under varying weather and fuel loading conditions in Anatolian black pine (Pinus nigra J.F.Arnold subsp. nigra var. caramanica (Loudon) Rehder) stands. Relationships between the rate of fire spread and fuel and weather conditions were determined with correlation and regression analyses. The rate of fire spread ranged from 0.12 to 1.20 m min^{-1} in line fires. In the ignition, transition, and steady state phases of point-source fires, the rate of fire spread ranged from 0.04 to 0.78 m min^{-1}, from 0.11 to 0.59 m min^{-1}, and from 0.08 to 0.99 …
Rootstock Potential Of Turkish Lagenaria Siceraria Germplasm For Watermelon: Plant Growth, Graft Compatibility, And Resistance To Fusarium, Hali̇t Yeti̇şi̇r, Şener Kurt, Nebahat Sari, Fati̇h Mehmet Tok
Rootstock Potential Of Turkish Lagenaria Siceraria Germplasm For Watermelon: Plant Growth, Graft Compatibility, And Resistance To Fusarium, Hali̇t Yeti̇şi̇r, Şener Kurt, Nebahat Sari, Fati̇h Mehmet Tok
Turkish Journal of Agriculture and Forestry
The rootstock potential of Turkish Lagenaria siceraria germplasm for watermelon was evaluated. Among 210 accessions, 72 genotypes were selected based on morphological characteristics. Two commercial hybrid rootstocks were also used for comparison. Crimson Tide watermelon cultivar was used as a scion. Emergence rate, hypocotyl morphology, survival rate, and resistance to Fusarium oxysporum f. sp. niveum (FON) were investigated. Grafted plants were grown for 3 weeks in order to investigate the effect of rootstocks on plant growth. Leaf number, shoot dry weight, and root dry weight were determined. Emergence rate was ranked between 72% and 100% in collected genotypes. The highest …
Some Agronomic Properties Of The Local Population Of Common Bean (Phaseolus Vulgaris L.) Of Artvin Province, Hati̇ce Bozoğlu, Ömer Sözen
Some Agronomic Properties Of The Local Population Of Common Bean (Phaseolus Vulgaris L.) Of Artvin Province, Hati̇ce Bozoğlu, Ömer Sözen
Turkish Journal of Agriculture and Forestry
The objectives of this study were to determine the changes to some agronomic properties that significantly affect seed yield, and to conserve landraces of the common bean of Artvin province, especially in areas that will be flooded by dam projects, by collecting them before they are lost. Landraces of common bean were collected from 279 locations in 74 villages in 7 districts of the province. Landraces were sorted into 400 samples according to their growth habit, seed color, color pattern, and shape. Seeds were sown in Samsun, Turkey, in May 2005. To determine plant height, pods per plant, pod length, …
Salt Tolerance Of Sixteen Wheat Genotypes During Seedling Growth, Seydi̇ Ahmet Bağci, Hasan Eki̇z, Ahmet Yilmaz
Salt Tolerance Of Sixteen Wheat Genotypes During Seedling Growth, Seydi̇ Ahmet Bağci, Hasan Eki̇z, Ahmet Yilmaz
Turkish Journal of Agriculture and Forestry
Effect of increasing application of NaCl on germination, root and shoot dry weight at early growth stage, and concentrations of potassium (K) and sodium (Na) was studied in 16 bread wheat (Triticum aestivum L.) genotypes grown in nutrient solution. Application of NaCl was carried out at concentrations of 2, 55, 117, 194, and 287 mM. The genotypes showed a wide range of variation for the traits measured under the NaCl treatments. The salt tolerance index (STI) of the genotypes, expressed as the ratio of dry matter yield produced under the NaCl treatments compared to the control treatment, was found to …
The Effects Of Biological And Chemical Treatment On Gray Mold Disease In Tomatoes Grown Under Greenhouse Conditions, Fi̇gen Yildiz, Mehmet Yildiz, Nafi̇z Delen, Arzu Coşkuntuna, Pervi̇n Kinay, Hüseyi̇n Türküsay
The Effects Of Biological And Chemical Treatment On Gray Mold Disease In Tomatoes Grown Under Greenhouse Conditions, Fi̇gen Yildiz, Mehmet Yildiz, Nafi̇z Delen, Arzu Coşkuntuna, Pervi̇n Kinay, Hüseyi̇n Türküsay
Turkish Journal of Agriculture and Forestry
A total of 163 bacterial strains isolated from tomato leaves were evaluated for their ability to suppress gray mold (Botrytis cinerea Pers. ex Fr.) on tomatoes, and 4 strains consistently reduced the incidence of B. cinerea. These antagonist strains were identified as Pseudomonas fluorescens. The bacterial strains with in vitro resistance to fungicides were combined with low-dose fenhexamid in vivo. One strain of P. fluorescens (Pf163) reduced the disease incidence by an average of 78% on tomato plants inoculated with B. cinerea in greenhouse trials. In comparison to the control treatment, other P. fluorescens strains applied with low-dose fenhexamid reduced …
Synergistic Effects Of The Inoculation With Plant Growth-Promoting Rhizobacteria And An Arbuscular Mycorrhizal Fungus On The Performance Of Wheat, Mohammad Saghir Khan, Almas Zaidi
Synergistic Effects Of The Inoculation With Plant Growth-Promoting Rhizobacteria And An Arbuscular Mycorrhizal Fungus On The Performance Of Wheat, Mohammad Saghir Khan, Almas Zaidi
Turkish Journal of Agriculture and Forestry
The synergistic effects of plant growth-promoting rhizobacteria and an arbuscular mycorrhizal (AM) fungus (Glomus fasciculatum) on plant growth, yield, and nutrient uptake of wheat plants were determined in field conditions. The triple inoculation of Azotobacter chroococcum with Bacillus and Glomus fasciculatum significantly increased the dry matter by 2.6-fold above the control. Grain yield of plants inoculated with A. chroococcum together with Bacillus sp. and G. fasciculatum was 2-fold higher than that of non-inoculated plants, at 135 days after sowing (DAS). The maximum increase in grain protein (255.2 mg g^{-1}) was observed in plants inoculated with A. chroococcum with Bacillus sp., …
The Effect Of Log Seasonality On The Reproductive Potential Of Monochamus Galloprovincialis Olivier (Coleoptera: Cerambycidae) Reared In Black Pine Logs Under Laboratory Conditions, Süleyman Akbulut, Aki̇f Keten, İsmai̇l Baysal, Beşi̇r Yüksel
The Effect Of Log Seasonality On The Reproductive Potential Of Monochamus Galloprovincialis Olivier (Coleoptera: Cerambycidae) Reared In Black Pine Logs Under Laboratory Conditions, Süleyman Akbulut, Aki̇f Keten, İsmai̇l Baysal, Beşi̇r Yüksel
Turkish Journal of Agriculture and Forestry
Monochamus galloprovincialis (Olivier) is the vector of the pinewood nematode, Bursaphelenchus xylophilus (Steiner and Buhrer) Nickle, in Europe and Asia. Reproduction is probably the most important event in the life history of insects and may be affected by a number of factors, such as seasonal changes in larval or adult nutrition. In this study the effect of season on the reproductive potential of M. galloprovincialis females reared in black pine logs was investigated by constructing fertility tables for each of 43 pine logs that differed only in the season that they were cut. Population parameters were compared among 3 seasonal …
Determination Of Irrigation Performance Of Water User Associations In The Vicinity Of Sarıgöl And Alaşehir Using Remote Sensing Techniques, Beki̇r Sitki Karataş, Erhan Akkuzu, Musa Avci
Determination Of Irrigation Performance Of Water User Associations In The Vicinity Of Sarıgöl And Alaşehir Using Remote Sensing Techniques, Beki̇r Sitki Karataş, Erhan Akkuzu, Musa Avci
Turkish Journal of Agriculture and Forestry
The aim of this research was to determine the irrigation performance of Sarıgöl, Bağ, and Üzüm Water User Associations (WUAs) in the vicinity of Sarıgöl and Alaşehir using remote sensing techniques. For this purpose, the performance of the irrigation system for the 2004 irrigation season (May to September) was determined according to 5 indicators, namely overall consumed ratio (ep), relative water supply (RWS), depleted fraction (DF), crop water deficit (CWD), and relative evapotranspiration (RET). Potential and actual evapotranspiration parameters used in determining these indicators were estimated according to the SEBAL (Surface Energy Balance) method using NOAA-16/AVHRR images. Seasonal averages of …
Stability Of Grain Vitreousness In Durum Wheat (Triticum Durum L. Desf.) Genotypes In The North-Western Region Of Turkey, Kayihan Zahi̇t Korkut, Oğuz Bi̇lgi̇n, İsmet Başer, Nezi̇hi̇ Sağlam
Stability Of Grain Vitreousness In Durum Wheat (Triticum Durum L. Desf.) Genotypes In The North-Western Region Of Turkey, Kayihan Zahi̇t Korkut, Oğuz Bi̇lgi̇n, İsmet Başer, Nezi̇hi̇ Sağlam
Turkish Journal of Agriculture and Forestry
This study was carried out in order to determine the grain vitreousness percentage and stability performance of 44 durum wheat genotypes, which were tested in 3 different environments during 2 growing periods. Grain vitreousness percentage of the genotypes ranged between 69.2% and 90.0%. Svevo, Amanos 97, and Zenit varieties had the highest vitreousness kernel percentages and the lowest grain yields. The negative correlation coefficient between vitreous grain percentage and grain yield, according to correlation analysis, confirms this result. Mutant 47, Harran 95, Epidur, and Kızıltan 95 were the most stable genotypes with respect to all stability parameters studied for vitreousness. …
Examination Of Flower Bud Initiation And Differentiation In Sweet Cherry And Peach By Scanning Electron Microscope, Hakan Engi̇n, Ali̇ Ünal
Examination Of Flower Bud Initiation And Differentiation In Sweet Cherry And Peach By Scanning Electron Microscope, Hakan Engi̇n, Ali̇ Ünal
Turkish Journal of Agriculture and Forestry
Flower initiation and development in 0900 Ziraat sweet cherry (Prunus avium L.) and Glohaven peach (Prunus persica L.) were examined using scanning electron microscopy. The objectives were to determine the timing of floral developmental stages and to achieve a better understanding of the morphological changes during flower formation at the apex of axillary buds of sweet cherry and peach cultivars. In cherry, bud samples were taken every 10 days from June 26 to August 24 and stored in formalin, 70% ethanol, and acetic acid solution (10:50:5, by volume). In peach, bud samples were collected every 10 days from June 28 …
Water Application Uniformity Of A Subsurface Drip Irrigation System At Various Operating Pressures And Tape Lengths, B. Safi, M. R. Neyshabouri, Amir Hossein Nazemi, S. Massiha, S. M. Mirlatifi
Water Application Uniformity Of A Subsurface Drip Irrigation System At Various Operating Pressures And Tape Lengths, B. Safi, M. R. Neyshabouri, Amir Hossein Nazemi, S. Massiha, S. M. Mirlatifi
Turkish Journal of Agriculture and Forestry
Subsurface irrigation has been the focus of attention mainly because of its low evaporation rate and deep percolation losses. Uniformity of water applications and its stability, however, are still a matter of controversy and deserve more investigation. An experiment was conducted at the research station of Tabriz University to evaluate discharge variation among emitters and uniformity after 3 years of operation at different pressures, as well as to determine the optimum length for irrigation tapes. Four hydraulic pressures, 50, 90, 150, and 200 kPa, 4 irrigation tapes 34 m long (used tape) installed at a depth of 10 cm, and …
A Selection Strategy For Low Toxin Vetches (Vicia Sativa Spp.), Hüseyi̇n Kansur Firincioğlu, Max Tate, Sabahaddi̇n Ünal, Levent Doğruyol, İlhan Özcan
A Selection Strategy For Low Toxin Vetches (Vicia Sativa Spp.), Hüseyi̇n Kansur Firincioğlu, Max Tate, Sabahaddi̇n Ünal, Levent Doğruyol, İlhan Özcan
Turkish Journal of Agriculture and Forestry
The aim of this investigation was to identify suitable parental lines of vetch (Vicia sativa spp.) from Turkish and ICARDA germplasm, with appropriate morphological and phenological characters, for generating low %w w^{-1} \gamma-L-Glutamyl-\beta-cyano-L-alanine toxin cultivars, using infrared nitrile screening, dendrogram clustering, and Pearson correlations. A significant inverse relationship between seed-mass and %w w^{-1} \gamma-L-Glutamyl-\beta-cyano-L-alanine was observed in 13 semiprostrate lines of V. sativa. No corresponding seed-toxin, seed-mass relationship was observable in 41 lines of V. sativa subsp. sativa of erect habit. Accordingly, the possibilities for the incorporation of the low toxic compound in small-seeded semiprostrate V. sativa lines into larger …
Determination Of Superior Pinto Bean (Phaseolus Vulgaris L. Var. Pinto) Genotypes By Selection Under The Ecological Conditions Of Samsun Province, Turkey, Ahmet Balkaya, Ahmet Ergün
Determination Of Superior Pinto Bean (Phaseolus Vulgaris L. Var. Pinto) Genotypes By Selection Under The Ecological Conditions Of Samsun Province, Turkey, Ahmet Balkaya, Ahmet Ergün
Turkish Journal of Agriculture and Forestry
Species belonging to the family Leguminosae are widely grown in Turkey. Pinto bean (Phaseolus vulgaris L. var. Pinto) is a traditional crop in Turkey and farmers grow local varieties that they select and maintain. Pinto bean is an important food in Samsun province, Turkey. Its crop is consumed as fresh pods, and fresh pod seed or dry seeds. This study was conducted in order to select valuable genetic resources of the pinto bean (Phaseolus vulgaris L. var. Pinto) under the ecological conditions of Samsun in 2003 and 2004. In the first year, 44 pinto bean populations were collected and evaluated …
The Effect Of Fermentation Temperature On The Growth Kinetics Of Wine Yeast Species, Aysun Şener, Ahmet Canbaş, M. Ümi̇t Ünal
The Effect Of Fermentation Temperature On The Growth Kinetics Of Wine Yeast Species, Aysun Şener, Ahmet Canbaş, M. Ümi̇t Ünal
Turkish Journal of Agriculture and Forestry
The effect of fermentation temperature (18 and 25 °C) on kinetic and yield parameters of ethanol fermentation by Saccharomyces cerevisiae (Zymaflore VL1) and Saccharomyces cerevisiae (Uvaferm CM) was examined using the white Emir grape that is grown in the Nevşehir-Ürgüp region of Turkey. Growth of both yeast species varied according to temperature. Kinetic and yield parameters were both temperature dependent. Sensory evaluation showed that the taste panel was able to discern the wines fermented by Uvaferm CM and Zymaflore VL1 at different temperatures. The panel preferred the wine fermented by Uvaferm CM at 18 °C.
The Effects Of Glyphosate Isopropylamine And Trifluralin On The Carbon Mineralization Of Olive Tree Soils, Feruze Eser, Hüsni̇ye Aka Sağliker, Cengi̇z Darici
The Effects Of Glyphosate Isopropylamine And Trifluralin On The Carbon Mineralization Of Olive Tree Soils, Feruze Eser, Hüsni̇ye Aka Sağliker, Cengi̇z Darici
Turkish Journal of Agriculture and Forestry
Glyphosate isopropylamine and trifluralin are herbicides widely used in Turkish agriculture. The recommended field dose (RFD) (480 g of active ingredient l^{-1} for both glyphosate and trifluralin) and 2 x RFD of these herbicides were added to the soil of olive trees (Olea europaea L., Oleaceae) growing on the Çukurova University Campus (Adana) under Mediterranean climate conditions in order to determine their effects on soil microbial activity as measured by carbon mineralization. Carbon mineralization of all samples was determined by the CO_2 respiration method over 30 days (28 °C, constant moisture). When the RFD and 2 x RFD of glyphosate …
Research On Applying An Anchor Mechanism To Orchard And Vineyard Tractors Produced In Turkey, Hasan Si̇lleli̇
Research On Applying An Anchor Mechanism To Orchard And Vineyard Tractors Produced In Turkey, Hasan Si̇lleli̇
Turkish Journal of Agriculture and Forestry
In recent years, orchard and vineyard tractors have become widespread in Turkey. Owing to their narrow-track width and work environment, these tractors overturn easily. Therefore, tractor manufacturers have to fabricate roll-over protective structures (ROPS) that are high enough to prevent continuous rolling. In this study, an innovative system that increases the safety of the driver and decreases the ROPS height was tested on 20 tractors that are currently available for retail sale in Turkey. In order to determine the effect of an anchor mechanism on the height of the ROPS, the following parameters were investigated: tractor mass, the type of …
Mandarin Yield Response To Partial Root Drying And Conventional Deficit Irrigation, Cevat Kirda, Fati̇h Topaloğlu, Sevi̇lay Topçu, Harun Kaman
Mandarin Yield Response To Partial Root Drying And Conventional Deficit Irrigation, Cevat Kirda, Fati̇h Topaloğlu, Sevi̇lay Topçu, Harun Kaman
Turkish Journal of Agriculture and Forestry
Fruit yield response of a mandarin (Citrus reticulata cv. Marisol) orchard to deficit irrigation, which was imposed either through conventional deficit irrigation (DI) or a newly evolving irrigation technique, called partial root drying (PRD), was investigated. The PRD practice simply requires wetting of one half of the rooting zone and leaving the other half dry, thereby utilising reduced amount of irrigation water applied. The wetted and dry sides are interchanged in the subsequent irrigations. Six irrigation treatments were tested: (1) TR, traditional farmers’ method of irrigation where irrigation management was left to the full control of a grower; (2) FULL …
Determination Of Water Conveyance Loss In The Menemen Open Canal Irrigation Network, Erhan Akkuzu, Hali̇l Baki̇ Ünal, Beki̇r Sitki Karataş
Determination Of Water Conveyance Loss In The Menemen Open Canal Irrigation Network, Erhan Akkuzu, Hali̇l Baki̇ Ünal, Beki̇r Sitki Karataş
Turkish Journal of Agriculture and Forestry
The aim of this research was to determine water conveyance loss in the open canal irrigation network that serves the irrigation areas on the right and left banks of the Menemen Plain, in the lower part of the Gediz Basin. The research was carried out in the main, secondary, and tertiary canals. Water conveyance loss in the canals was measured by the inflow-outflow method, while water velocity was determined using a current-meter. Statistical relationships between canal types, canal shapes, and seepage loss were also investigated. The water conveyance loss at the main canal level was between 0.5% and 1.3% (0.0071-0.0126 …
Methyl Bromide Alternatives For Controlling Meloidogyne Incognita In Pepper Cultivars In The Eastern Mediterranean Region Of Turkey, M. Ali̇ Söğüt, İ. Hali̇l Elekçi̇oğlu
Methyl Bromide Alternatives For Controlling Meloidogyne Incognita In Pepper Cultivars In The Eastern Mediterranean Region Of Turkey, M. Ali̇ Söğüt, İ. Hali̇l Elekçi̇oğlu
Turkish Journal of Agriculture and Forestry
The efficacy of soil solarization in combination with Trichoderma spp. (S+Tr), dazomet (S+D 300, 400 and 500 kg ha^{-1} of dosages) and fresh chicken manure (S+CM 12.5 t ha^{-1}) as methyl bromide (MB) alternatives against root-knot nematodes on pepper cultivars was investigated in plastic greenhouses in the eastern Mediterranean Region of Turkey. Soil solarization for 6 weeks increased soil temperature by 8.4 and 7.8 °C at 10 cm soil depth in 2000 and 2001, respectively. Second stage juvenile (J2) populations of M. incognita were efficiently reduced by S + Tr, S + D300, S + D400, S + D500, S …
Mating Type Groups Of Ascochyta Rabiei (Teleomorph: Didymella Rabiei), The Causal Agent Of Chickpea Blight In Central Anatolia, Harun Bayraktar, F. Sara Dolar, Sali̇h Maden
Mating Type Groups Of Ascochyta Rabiei (Teleomorph: Didymella Rabiei), The Causal Agent Of Chickpea Blight In Central Anatolia, Harun Bayraktar, F. Sara Dolar, Sali̇h Maden
Turkish Journal of Agriculture and Forestry
The distribution of mating types of Ascochyta rabiei (teleomorph: Didymella rabiei) was studied on isolates collected from chickpea growing areas of Central Anatolia. Mating type assessments of 45 isolates from 6 different provinces were conducted under laboratory conditions. After keeping for 5-6 weeks, the pseudothecial development and ascospore production were observed on chickpea stem pieces that were incubated in 8 ± 1 °C and 85% relative humidity. Both mating types were found in all the provinces, except for Kayseri and Sivas. The majority of the isolates belonged to Mat 1-1 (57.8%) and the others (42.2%) to MAT 1-2. Additionally, the …
Growth And Stomatal Behaviour Of Two Strawberry Cultivars Under Long-Term Salinity Stress, Ece Turhan, Ati̇lla Eri̇ş
Growth And Stomatal Behaviour Of Two Strawberry Cultivars Under Long-Term Salinity Stress, Ece Turhan, Ati̇lla Eri̇ş
Turkish Journal of Agriculture and Forestry
Sodium chloride (NaCl) treatments were conducted on strawberry plants (Fragaria x ananassa cvs. Camarosa and Chandler) grown under greenhouse conditions. Modified Hoagland solution (one-third strength) containing 0 (control), 8.5, 17.0 and 34.0 mM NaCl was applied to the plants for 6 months. High NaCl concentrations caused serious reductions in growth parameters such as fresh weight (FW) of leaves, stems and roots, leaf area and the number of leaves. Addition of salt to the growth medium caused a reduction in stomatal conductance (Gs) and transpiration rate (E) of Camarosa. Saline water up to 34 mM NaCl did not have any influence …
Mapping Secondary Forest Succession With Geographic Information Systems: A Case Study From Bulanıkdere, Kırklareli, Turkey, Günay Çakir, Fati̇h Si̇vri̇kaya, Sali̇h Terzi̇oğlu, Emi̇n Zeki̇ Başkent, Turan Sönmez, Haci Ahmet Yolasiğmaz
Mapping Secondary Forest Succession With Geographic Information Systems: A Case Study From Bulanıkdere, Kırklareli, Turkey, Günay Çakir, Fati̇h Si̇vri̇kaya, Sali̇h Terzi̇oğlu, Emi̇n Zeki̇ Başkent, Turan Sönmez, Haci Ahmet Yolasiğmaz
Turkish Journal of Agriculture and Forestry
Developing forest management plans for sustaining the full range of forest values is a challenging task. One of the difficulties in this process is to set and achieve management objectives, and conservation targets. A sustainable forest management concept requires that a target forest structure (the composition and the configuration) be set before developing alternative management actions for the achievement of management objectives and the conservation targets. In this respect, developing and understanding vegetation succession play important roles in setting the target forest conditions. This study was conducted in the Bulanıkdere Forest planning unit (Kırklareli, Turkey) where the biodiversity-integrated multiple-use forest …
Critical Period Of Weed Control In Three Winter Oilseed Rape (Brassica Napus L.) Cultivars, Javad Hamzei, A. Dabbagh Mohammady Nasab, Farrokh Rahmizadeh Khoie, Aziz Javanshir, Mohammad Moghaddam
Critical Period Of Weed Control In Three Winter Oilseed Rape (Brassica Napus L.) Cultivars, Javad Hamzei, A. Dabbagh Mohammady Nasab, Farrokh Rahmizadeh Khoie, Aziz Javanshir, Mohammad Moghaddam
Turkish Journal of Agriculture and Forestry
Field experiments were carried out at the Agricultural Research Station, Faculty of Agriculture, University of Tabriz, in 2004-2005 and 2005-2006. Three winter oilseed rape cultivars (Okapi, Licord, and SLM046) with 12 weed interference durations were evaluated in a factorial experiment based on a randomized complete block design with 3 replications. The experiments consisted of 2 sets of treatments. In the first set, the crop was kept weed-free until the growth stages of 4-leaf, 8-leaf, stem elongation, flowering, and podding. In the second set, weeds were permitted to grow within the crop until the above-mentioned growth stages. Weedy and weed-free checks …
Integrated Management Of Stem Rot Disease (Sclerotium Rolfsii) Of Groundnut (Arachis Hypogaea L.) Using Rhizobium And Trichoderma Harzianum (Itcc - 4572), S. Ganesan, R. Ganesh Kuppusamy, R. Sekar
Integrated Management Of Stem Rot Disease (Sclerotium Rolfsii) Of Groundnut (Arachis Hypogaea L.) Using Rhizobium And Trichoderma Harzianum (Itcc - 4572), S. Ganesan, R. Ganesh Kuppusamy, R. Sekar
Turkish Journal of Agriculture and Forestry
Soil-borne plant pathogenic fungi cause heavy crop losses all over the world. With variable climate from region to region, most crops grown in India are susceptible to diseases caused by soil-borne fungal pathogens. Among tropical and subtropical land crops, groundnut (Arachis hypogaea L.) is an important oil seed crop, providing vegetable oil as human food and oil cake meal as animal poultry feed. A large number of diseases attack groundnut plants in India; of these, stem rot (collar rot) caused by Sclerotium rolfsii is the most common disease. Certain well-studied chemical pesticide management strategies are available for reducing damage by …
Relationships Between Remotely Sensed Data And Biomass Components In A Big Sagebrush (Artemisia Tridentata) Dominated Area In Yellowstone National Park, Mustafa Mi̇ri̇k, Jack E. Norland, Mario E. Biondini, Robert L. Crabtree, Gerald J. Michels
Relationships Between Remotely Sensed Data And Biomass Components In A Big Sagebrush (Artemisia Tridentata) Dominated Area In Yellowstone National Park, Mustafa Mi̇ri̇k, Jack E. Norland, Mario E. Biondini, Robert L. Crabtree, Gerald J. Michels
Turkish Journal of Agriculture and Forestry
The predictive power of a hyperspectral imagery for estimating woody and herbaceous biomass were examined for a big sagebrush (Artemisia tridentata) dominated area in Yellowstone National Park, Wyoming, United States of America. The normalized difference vegetation (NDV) and structure insensitive pigment (SIP) indices were used to investigate the relationships between biomass components and reflectance spectra. Ground data were collected in 13 sample plots 1 m^2 in size by clipping all herbaceous vegetation to ground level and stripping green leaves from big sagebrush plants. Strong relationships (R^2 from 0.83 to 0.96) were found between the hyperspectral data and biomass components. The …
Growth, Yield, And Quality Of Sweet Potato (Ipomoea Batatas (L.) Lam.) Cultivars In The Southeastern Anatolian And East Mediterranean Regions Of Turkey, Mehmet Emi̇n Çalişkan, Tahsi̇n Söğüt, Erkan Boydak, Eli̇f Ertürk, Hali̇s Arioğlu
Growth, Yield, And Quality Of Sweet Potato (Ipomoea Batatas (L.) Lam.) Cultivars In The Southeastern Anatolian And East Mediterranean Regions Of Turkey, Mehmet Emi̇n Çalişkan, Tahsi̇n Söğüt, Erkan Boydak, Eli̇f Ertürk, Hali̇s Arioğlu
Turkish Journal of Agriculture and Forestry
The study was carried out to determine the adaptation potential of sweet potato crops to different regions of Turkey. The study included 9 introduced genotypes of diverse origin and 2 local genotypes that were tested in 4 locations (Diyarbakır and Şanlıurfa representing the southeastern Anatolia region, and Adana and Hatay representing the Mediterranean region) in 2000 and 2001. Haulm and storage root growth of the cultivars were monitored at monthly intervals. Total and graded storage root yield, and some quality parameters were determined at the final harvest. Although haulm and storage growth varied according to location and year, all cultivars …
Genetic Variation Among Cotton (Gossypium Hirsutum L.) Cultivars For Seed-Set Efficiency, Yüksel Bölek, Mustafa Oğlakçi
Genetic Variation Among Cotton (Gossypium Hirsutum L.) Cultivars For Seed-Set Efficiency, Yüksel Bölek, Mustafa Oğlakçi
Turkish Journal of Agriculture and Forestry
Seed-set efficiency (SSE) is one of the most important within-boll yield components in cotton production. Increased SSE can lead to increased seed number and, ultimately, to greater fiber yield. A field experiment was conducted during 2003-2004 to compare cotton cultivars (Gossypium hirsutum L.), in terms of the potential for improved SSE, in a Mediterranean region (Kahramanmaraş Agricultural Research Institute). SSE changed by year by about 1%-2%, averaging 94%-95%. Mean values for cultivars ranged from 95.78% (Deltaopal) to 93.98% (Nazilli 84S) in 2003, and from 95.67% (Sayar 314) to 94.75% (Carmen) in 2004. Cultivars were significantly different (2%-3%) only for the …
Determining The Relationships Between Yield And Yield Attributes In Sunflower, Yalçin Kaya, Göksel Evci̇, Sezgi̇n Durak, Veli̇ Pekcan, Tahi̇r Gücer
Determining The Relationships Between Yield And Yield Attributes In Sunflower, Yalçin Kaya, Göksel Evci̇, Sezgi̇n Durak, Veli̇ Pekcan, Tahi̇r Gücer
Turkish Journal of Agriculture and Forestry
Relationships between seed yield and agronomic characters in sunflower were investigated without considering genetic effects. Sunflower hybrids were evaluated in 3 categories: constant hybrids, control hybrids (mostly the same in each year), and test hybrids (changing each year). Seed yield was positively correlated with oil content, plant height, and 1000-seed weight, but flowering and physiological maturity period correlated negatively with yield based on the analyses in this research. A diverse relationship was determined between the seed yield of the hybrids and oil content. Results of the regression analysis indicated that, up to 40%-45% oil content, there was a negative correlation …