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Articles 1651 - 1680 of 2171
Full-Text Articles in Life Sciences
Factors Affecting The Production Of E1 Type Particleboard, Gökay Nemli̇
Factors Affecting The Production Of E1 Type Particleboard, Gökay Nemli̇
Turkish Journal of Agriculture and Forestry
This study aimed to determine the best manufacturing variables for the high physical and mechanical properties, and formaldehyde emission of particleboards produced from E_1 type adhesive. In the production of particleboards, two different press temperatures, press times, pressures and three different adhesive use ratios were used. The best manufacturing variables were determined for the particleboard produced from E_1 type adhesive. The effects of these manufacturing variables on formaldehyde emission, bending strength, internal bonding strength and thickness swelling were investigated. According to the results, when the E_1 type adhesive was employed, the use of 11% and 9% adhesive use ratios for …
Hydraulic Conductivity Evaluation For A Drainage Simulation Model (Drainmod), Teki̇n Özteki̇n
Hydraulic Conductivity Evaluation For A Drainage Simulation Model (Drainmod), Teki̇n Özteki̇n
Turkish Journal of Agriculture and Forestry
The objective of this study was to determine the most suitable saturated hydraulic conductivity (K) values as input into DRAINMOD among a range of K data sets developed for the drainage experiment site in North Central Ohio using seven different K estimation methods. The K methods evaluated were monolith, core, auger-hole, MUUF soil database, and using the Hooghoudt, Kirkham, and van Schilfgaarde equations with water table drawdown and drainage discharge data. Simulations using DRAINMOD (Version 4.6) were conducted for the years 1962-1964 and 1967-1971, and runoff and drain discharge predictions were compared with measured discharges. The analyses showed that none …
Estimation Of Instantaneous Peak Flows In Seyhan River Basin Using Regional Regression Procedures, Fati̇h Topaloğlu
Estimation Of Instantaneous Peak Flows In Seyhan River Basin Using Regional Regression Procedures, Fati̇h Topaloğlu
Turkish Journal of Agriculture and Forestry
Multivariate procedures for estimating instantaneous flood flows for various return periods in Seyhan river basin are presented in the study. Procedures aim at developing regression equations uscable for the basin using annual peak instantaneous flows, climatic and morphometric charactcristics. It was determined that best subset analysis gave the highest determination coefficients (91.0%
An Estimation Of The Recreational Use Value Of Kursunlu Waterfall Nature Park By The Individual Travel Cost Method, Veli̇ Ortaçeşme, Burhan Özkan, Osman Karagüzel
An Estimation Of The Recreational Use Value Of Kursunlu Waterfall Nature Park By The Individual Travel Cost Method, Veli̇ Ortaçeşme, Burhan Özkan, Osman Karagüzel
Turkish Journal of Agriculture and Forestry
The recreational use value of Kursunlu Waterfall Nature Park in the Antalya province of Turkey was studied by using the Individual Travel Cost Method (ITCM). For this purpose, 500 on-site questionnaires were administered between September 1998 and June 1999. By applying certain criteria to these questionnaires, 280 cases were selected for economic analysis. The number of visits made by individuals was used as the dependent variable, while travel costs of individuals to the Park, socio-economic variables (age, education and household income) and alternative sites were selected as the independent variables in the demand model of the Park. A semi-log functional …
Sampling Sunn Pest (Eurygaster Integriceps Puton) In Overwintering Sites In Northern Syria, Bruce L. Parker, Scott D. Costa, Margaret Skinner, Mustapha El Bouhssini
Sampling Sunn Pest (Eurygaster Integriceps Puton) In Overwintering Sites In Northern Syria, Bruce L. Parker, Scott D. Costa, Margaret Skinner, Mustapha El Bouhssini
Turkish Journal of Agriculture and Forestry
Sampling statistics for development of a sampling plan for adult Sunn Pest, Eurygaster integriceps Puton, in their overwintering habitat were generated based on numbers of live and total adults in 1 to 4 litter samples per tree. Taylor's power law was used to estimate optimum sample size, critical stop lines for sequential sampling and a sequential difference test. Sunn Pest were found primarily nearer to tree boles and had an aggregated distribution among trees. There was more statistical and practical advantage to taking 1 sample per tree and increasing the number of trees sampled, rather than in increasing the number …
Development, Survival And Reproduction Of Three Coccinellids Feeding On Hyalopterus Pruni (Geoffer) (Homoptera: Aphididae), Remzi̇ Atlihan, Mehmet Bora Kaydan
Development, Survival And Reproduction Of Three Coccinellids Feeding On Hyalopterus Pruni (Geoffer) (Homoptera: Aphididae), Remzi̇ Atlihan, Mehmet Bora Kaydan
Turkish Journal of Agriculture and Forestry
The development, survival and fecundity of three aphidophagus coccinellid species, Scymnus apetzi (Mulsant), Scymnus subvillosus (Goeze) and Exochomus nigromaculatus (Goeze), were studied under laboratory conditions (25 ± 1, 65 ± 5% RH and 16 L/8D). Development time from egg to adult was 20.4, 17.1 and 16.7 days for S. apetzi, S. subvillosus and E. nigromaculatus, respectively. Mortality rate from egg to adulthood was highest for S. apetzi (37.9%) followed by S. subvillosus (36.3%) and E. nigromaculatus (25.7%). Duration of the oviposition period was 58.6, 64.9 and 75.3 days, and the total number of eggs per female was 492.8, 224.9 and …
Microscopic Evaluation Of Interactions Between Varieties Of Arabidopsis Thaliana Challenged By Peronospora Parasitica, Fi̇gen Mert Türk
Microscopic Evaluation Of Interactions Between Varieties Of Arabidopsis Thaliana Challenged By Peronospora Parasitica, Fi̇gen Mert Türk
Turkish Journal of Agriculture and Forestry
Peronospora parasitica (Pers ex Fr.) Pers. is an obligate biotrophic pathogen that causes downy mildew in Arabidopsis thaliana (L.) Heynh. In this study, cotyledons of four A. thaliana varieties were inoculated with the Cala2 isolate of P. parasitica and the degree of susceptibility was observed under the microscope 1, 2, 3 and 7 days after inoculation (DAI). Microscopic examination of infected tissues revealed that early restriction of the pathogen was accompanied by a hypersensitive response (HR) characterised by autofluorescence under UV or blue light excitation. All haustoria, if visible at all, formed in the cells that underwent the HR in …
Root Yield And Quality Of Sugarbeet In Relation To Sowing Date, Plant Population And Harvesting Date Interactions, Ramazan Çakmakçi, Erol Oral
Root Yield And Quality Of Sugarbeet In Relation To Sowing Date, Plant Population And Harvesting Date Interactions, Ramazan Çakmakçi, Erol Oral
Turkish Journal of Agriculture and Forestry
Sowing date, plant density and harvest date are important factors affecting root yield and quality of sugar beet (Beta vulgaris L.). The effects of sowing date (beginning of April, mid-April, the end of April, mid-May, and the end of May), plant density, and harvest date (the end of September and mid-October) on sugar beet yield and quality were studied in trials in the Eastern Anatolia region on a loam soil in 1994-97. Variation in plant density was obtained by combining two seed distances and two target emergence percentages. Plant populations for the different treatments reached 55 500, 73 000, 88 …
Kinetic Studies With Crude Tomato Alcohol Dehydrogenase, Emi̇n Yilmaz
Kinetic Studies With Crude Tomato Alcohol Dehydrogenase, Emi̇n Yilmaz
Turkish Journal of Agriculture and Forestry
Tomato alcohol dehydrogenase (ADH) is very important in the formation of fresh tomato aroma volatiles. The kinetic characterization and isolation of this enzyme may promote some in vitro applications. Kinetic studies of crude tomato ADH associated with NAD^+ cofactor revealed Km values of 2.03 mM for ethanol and 0.064 mM for NAD^+, a Vmax value of 24.51 µM/min, and an activation energy of 0.0208 kcal/mole. Variable pH measurements indicated that the enzyme is optimally active in a narrow range above pH 8.5. Dalziel coefficients were consistent with a sequential but not ordered mechanism. Also the enzyme was found to be …
Principal Mechanical Properties Of Eastern Beech Wood (Fagus Orientalis Lipsky) Naturally Grown In Andırın Northeastern Mediterranean Region Of Turkey, İbrahi̇m Bektaş, Cengi̇z Güler, M. Altay Baştürk
Principal Mechanical Properties Of Eastern Beech Wood (Fagus Orientalis Lipsky) Naturally Grown In Andırın Northeastern Mediterranean Region Of Turkey, İbrahi̇m Bektaş, Cengi̇z Güler, M. Altay Baştürk
Turkish Journal of Agriculture and Forestry
The aim of this study was to determine some mechanical properties (compression, static bending, impact bending and shear strengths) of Eastern beech wood (Fagus orientalis Lipsky) and to compare with them other beech species. In the tests, randomly selected logs taken from the trunk 2-4 m height were obtained from trees naturally growing in Andırın (Northeastern Mediterranean region) and these logs were prepared and tested according to Turkish standards. The results showed that the mean compression strength was 606 kgcm^{-2}, static bending strength 1204 kgcm^{-2}, impact bending strength 0.85 kgmcm^{-2} and shear strength 99 kgcm^{-2}. The relations of strengths with …
Satellite Monitoring Of Land Cover / Land Use Change Over 15 Years And Its Impact On The Environment In Gebze / Kocaeli - Turkey, Hülya Yildirim, Mehmet Emi̇n Özel, Nalan Jale Di̇van, Alparslan Akça
Satellite Monitoring Of Land Cover / Land Use Change Over 15 Years And Its Impact On The Environment In Gebze / Kocaeli - Turkey, Hülya Yildirim, Mehmet Emi̇n Özel, Nalan Jale Di̇van, Alparslan Akça
Turkish Journal of Agriculture and Forestry
The rapid industrialisation of an area requires quick preparation of actual land-cover/land-use (LC/LU) maps in order to detect and avoid overuse and damaging of the landscape beyond sustainable development limits. Satellite Remote Sensing and Geographic Information System technologies fit very well for long-term monitoring and assessment of such effects. As a pilot area for the use of such technologies, Gebze district near metropolitan Istanbul is considered. The study is centred on the documentation of LC/LU changes resulting from fast and mostly unregulated industrialisation and urbanisation over the period 1986 - 1998 by satellite images of the area. A comparison is …
Irrigation Scheduling Of Drip-Irrigated Tomatoes Using Class A Pan Evaporation, Öner Çeti̇n, Osman Yildirim, Demet Uygan, Hasan Boyaci
Irrigation Scheduling Of Drip-Irrigated Tomatoes Using Class A Pan Evaporation, Öner Çeti̇n, Osman Yildirim, Demet Uygan, Hasan Boyaci
Turkish Journal of Agriculture and Forestry
This study was carried out to investigate the irrigation schedule of drip-irrigated tomatoes (Lycopersicon esculentum cv. Dual Large, F 1) using Class A pan evaporation. Tomatoes plants were grown in a clay soil in the experimental fields of the Research Institute of Rural Services in Eskişehir between 1998 and 2000. Irrigation water was applied as a certain ratio of Class A pan evaporation (k_{pc} = 0.50, 0.75, 1.00, and 1.25) with different irrigation intervals (2, 4, and 6 days). Significant differences in fruit yields were obtained between the treatments, except for in 1998. Maximum marketable fruit yield was found at …
Simulating Water Flow To A Subsurface Drain In A Layered Soil, Teki̇n Özteki̇n
Simulating Water Flow To A Subsurface Drain In A Layered Soil, Teki̇n Özteki̇n
Turkish Journal of Agriculture and Forestry
The objective of the work presented in this paper was to simulate drain flow into subsurface drainage pipes for a layered soil profile using a finite element based HYDRUS-2D model. Data from the drainage experiment in North Central Ohio were used as input to the model. Studies were conducted to determine the ability of the model to predict drain discharge-water table elevation relationships. The model was also used to evaluate the effect of backfill on drain discharge-water table elevation relationships. HYDRUS-2D underpredicted drain discharge compared to the empirical and Kirkham-Hooghoudt equations for water table elevations above 70 cm. However, HYDRUS-2D …
Determining Suitable Probability Distribution Models For Flow And Precipitation Series Of The Seyhan River Basin, Fati̇h Topaloğlu
Determining Suitable Probability Distribution Models For Flow And Precipitation Series Of The Seyhan River Basin, Fati̇h Topaloğlu
Turkish Journal of Agriculture and Forestry
The frequency analysis of the largest, or the smallest, of a sequence of hydrologic events has long been an essential part of the design of hydraulic structures. Therefore, the question of better fit among countless probability models used in frequency analysis is always a fresh one. The purpose of this study was to make a statistical comparison of currently popular probability models. Therefore, Gumbel, log-Logistic, Pearson-3, log-Pearson-3 and log-Normal-3 distributions were applied to the series of annual instantaneous flood peaks and annual peak daily precipitation for 13 flow gauging and 55 precipitation gauging stations in the Seyhan basin, respectively. The …
Determination Of Genetic Variation In Populations Of Bemisia Tabaci In Antalya, Hüseyi̇n Göçmen, Zübeyi̇r Devran
Determination Of Genetic Variation In Populations Of Bemisia Tabaci In Antalya, Hüseyi̇n Göçmen, Zübeyi̇r Devran
Turkish Journal of Agriculture and Forestry
Although a number of investigations on the molecular genetics of Bemisia tabaci (Gennadius) have appeared in the literature, no such studies are known from Turkey. In order to fill this gap the amplified fragment length polymorphism (AFLP) technique was used to assay eight populations of B. tabaci collected from cotton, protected vegetables (tomato, cucumber and eggplant) and peppermint in various locations in the province of Antalya, Turkey. Eleven AFLP primer pairs detected a total of 547 AFLP fragments in these populations and 389 of these showed polymorphism. Cluster analyses of AFLP data clearly separated these populations into two groups with …
Some Agronomical Characteristics Of Doubled Haploid Lines Produced By Irradiated Pollen Technique And Parental Diploid Genotypes In Melons, Nebahat Sari, Hali̇t Yeti̇şi̇r
Some Agronomical Characteristics Of Doubled Haploid Lines Produced By Irradiated Pollen Technique And Parental Diploid Genotypes In Melons, Nebahat Sari, Hali̇t Yeti̇şi̇r
Turkish Journal of Agriculture and Forestry
This study was carried out at the Department of Horticulture, Faculty of Agriculture, Çukurova University in spring 1999 and 2000. In the study, 46 doubled haploid lines produced by irradiated pollen technique and 10 original diploid genotypes were used as plant materials. To investigate inbreeding depression in melons, doubled haploid lines and original diploid parental lines were compared with regard to plant vigor, yield and quality. Various plant growth and fruit characteristics were determined over two years. These were plant main stem height, node number, main stem diameter, earliness and total yield, fruit weight, fruit diameter, fruit length, rind thickness, …
Selection Of Promising Jojoba (Simmondsia Chinensis Link Schneider) Types In Terms Of Yield And Oil Content, Sali̇h Ülger, Özgür Akdeşi̇r, İbrahi̇m Baktir
Selection Of Promising Jojoba (Simmondsia Chinensis Link Schneider) Types In Terms Of Yield And Oil Content, Sali̇h Ülger, Özgür Akdeşi̇r, İbrahi̇m Baktir
Turkish Journal of Agriculture and Forestry
This experiment was carried out to determine the yield and oil contents of jojoba populations that were derived from a base population raised from seed in Antalya between 1999 and 2001. In the first year 59 types were evaluated, and 19 promising types were determined. In the second and third years experiments were conducted on these 19 types. Chilling, insect and disease damage was not seen during the experiment periods. However, some plants were dead where water ponded after heavy rains. The mature seeds were hand collected after they fell onto the soil in September, and their yield and oil …
The Possibilities Of Using Pheromone Traps And Total Thermal Summation In Estimating Adult Emergence Of Pectinophora Gossypiella (Saund.), A Pest Of Cotton Growing Areas In Amik Plain, Cafer Mart, Oğuzhan Doğanlar, Şener Tarla
The Possibilities Of Using Pheromone Traps And Total Thermal Summation In Estimating Adult Emergence Of Pectinophora Gossypiella (Saund.), A Pest Of Cotton Growing Areas In Amik Plain, Cafer Mart, Oğuzhan Doğanlar, Şener Tarla
Turkish Journal of Agriculture and Forestry
In 1996-1999, studies on the utilization of pheromone traps for the estimation of adult emergence and the observation of the seasonal population dynamics of Pectinophora gossypiella (Saund.), which tends to spread in cotton growing areas, and on the determination of day-degree values for its biological stages were carried out in Amik Plain. It was found that adult emergence of the overwintering generation first occurred between late April and early May and lasted for 2-2.5 months. The effective total summation for first adult emergence was 136.43, 137.43 and 186.95 day-degree, and that for maximum adult emergence was 570.80, 460.23 and 479.35 …
Identification Of Root-Knot Nematodes In The Mediterranean Region Of Turkey By Using Rdna And Mtdna Markers, Zübeyi̇r Devran, Uğur Gözel, M. Ali̇ Söğüt, Şenol Yildiz, İ. Hali̇l Elekçi̇oğlu
Identification Of Root-Knot Nematodes In The Mediterranean Region Of Turkey By Using Rdna And Mtdna Markers, Zübeyi̇r Devran, Uğur Gözel, M. Ali̇ Söğüt, Şenol Yildiz, İ. Hali̇l Elekçi̇oğlu
Turkish Journal of Agriculture and Forestry
Fragments containing the internal transcribed spacer (ITS) ribosomal rDNA were amplified from Meloidogyne incognita, M. javanica, M. arenaria and M. hapla by polymerase chain reaction (PCR). Only digestion of the ITS region with the enzyme RsaI significantly distinguished M. hapla from other species, while other enzymes, EcoRI and BamHI, were not effective in distinguishing these nematode species. PCR was also done with mitocondrial DNA (mtDNA) markers for species discrimination. The obtained amplification product of 600 bp was digested with HinfI restriction endonuclease allowing discrimination among the four root-knot species. mtDNA was found to be a useful tool for discriminating between …
Induction Of Phytoalexin Accumulation In Broad Bean (Vicia Faba L.) Cotyledons Following Treatments With Biotic And Abiotic Elicitors, Soner Soylu, Mark H. Bennett, John W. Mansfield
Induction Of Phytoalexin Accumulation In Broad Bean (Vicia Faba L.) Cotyledons Following Treatments With Biotic And Abiotic Elicitors, Soner Soylu, Mark H. Bennett, John W. Mansfield
Turkish Journal of Agriculture and Forestry
Broad bean (Vicia faba) cotyledons that were inoculated artificially with fungal pathogens or exposed to various abiotic agents were analysed for phytoalexin production. Biotic elicitors, such as Botrytis cinerea and B. allii, and abiotic elicitors, such as ultraviolet (UV) radiation (254 nm) and freezing-thawing, were used to induce phytoalexin accumulation. Wyerone and other wyerone derivatives were the major phytoalexins responding in broad bean cotyledons. The quantities of wyerone within elicitor-treated tissues were examined by thin layer chromatography. The highest amount of wyerone was induced by B. cinerea (943 \mug/g fresh weight). Treatment of cotyledons with UV radiation (452 \mug/g f.wt), …
The Effect Of Wheat Straw, Corn Straw And Tobacco Residues On Denitrification Losses In A Field Planted With Wheat, Ali̇ Coşkan, Mustafa Gök, Işik Onaç, İlker İnal, Turan Sağlamti̇mur
The Effect Of Wheat Straw, Corn Straw And Tobacco Residues On Denitrification Losses In A Field Planted With Wheat, Ali̇ Coşkan, Mustafa Gök, Işik Onaç, İlker İnal, Turan Sağlamti̇mur
Turkish Journal of Agriculture and Forestry
A field experiment was conducted to determine the effects of different organic residues (OR) (e.g., wheat straw corn straw and tobacco residues) on nitrogen mineralization and denitrification loss (N_2O-N) using application rates recommended to local farmers. Nitrate and ammonium analyses were carried out on periodically collected soil samples. In-situ denitrification loss was determined using the acetylene inhibition technique (AIT). The results revealed that OR application increased N mineralization significantly. In the favorable conditions for nitrification and intensive mineralization period, NO_3^--N accumulation at 0-60 cm depth peaked at 163.0, 177.7 and 226.6 kg N ha^{-1} in plots with wheat straw, corn …
An Evaluation Of Physically Based And Empirically Determined Evapotranspiration Models For Nursery Plants, Hali̇l Kirnak, R. C. Hansen, H. M. Keener, Ted Henry Short
An Evaluation Of Physically Based And Empirically Determined Evapotranspiration Models For Nursery Plants, Hali̇l Kirnak, R. C. Hansen, H. M. Keener, Ted Henry Short
Turkish Journal of Agriculture and Forestry
A lysimeter study was conducted to determine the evapotranspiration (ET) rates of Red Sunset red maple (Acer Rubrum 'Red Sunset') nursery trees under outdoor conditions in August and September 1997. The average ET rate was 0.084 mm day^{-1}. This measured ET rate was compared with calculated ET rates based on four physical ET (i.e., Penman, Penman-Monteith, Stanghellini and Fynn) and two empirically determined ET models (vapor pressure deficit (VPD) and solar radiation based empirical ET models). The Penman-Monteith and Penman models overestimated the measured ET rate by 15% and 31%, respectively while the Stanghellini and Fynn models underestimated the measured …
Determination Of Relationships Between Various Aerodynamics, Physio-Mechanical And Fiber Properties In Cotton, Mustafa Bülent Coşkun
Determination Of Relationships Between Various Aerodynamics, Physio-Mechanical And Fiber Properties In Cotton, Mustafa Bülent Coşkun
Turkish Journal of Agriculture and Forestry
The relationships between aerodynamic properties such as vacuum pressure and suction speed and the fiber and physio-mechanical properties of cotton during harvesting were determined by using the Nazilli 84 cotton variety. Aerodynamic properties such as vacuum pressure and suction speed and physio-mechanical properties such as wet and dry lock masses, lock moisture, number of seeds per lock, carpel openness, carpel depth, carpel angle and force of lock break-off were measured. In addition fiber length, fiber strength, fiber elongation and fiber fineness were determined. The statistical relationships between the aerodynamic, physio-mechanical and fiber properties were also determined. It was observed that …
Comparing Cotton Evapotranspirations Estimated By Micrometeorological And Water Budget Methods, Mustafa Ünlü, Riza Kanber, Kenan Di̇ker, Pasquale Steduto
Comparing Cotton Evapotranspirations Estimated By Micrometeorological And Water Budget Methods, Mustafa Ünlü, Riza Kanber, Kenan Di̇ker, Pasquale Steduto
Turkish Journal of Agriculture and Forestry
This study aimed at comparing actual water consumption of cotton obtained by the water balance method under full and limited irrigation conditions, with that estimated by a micrometeorological method (energy balance), which is being widely used nowadays. Results indicated that in the first year the total irrigation water applied was 438 mm, whereas in the second year it was 199 mm. Deep percolation losses were were 6 and 0 mm, respectively, in the first and second year of the experiment. The evapotranspirations of cotton under full irrigation condition were 496 and 629 mm for the energy balance and water budget …
Composition Of Honeys Collected From Eastern And South-Eastern Anatolia And Effect Of Storage On Hydroxymethylfurfural Content And Diastase Activity, Hayrullah Yilmaz, Ömer İrfan Küfrevi̇oğlu
Composition Of Honeys Collected From Eastern And South-Eastern Anatolia And Effect Of Storage On Hydroxymethylfurfural Content And Diastase Activity, Hayrullah Yilmaz, Ömer İrfan Küfrevi̇oğlu
Turkish Journal of Agriculture and Forestry
The chemical composition of honeys produced in Eastern and South-Eastern Anatolia (Turkey) was studied. For this aim, the composition of 45 honey samples collected from the mentioned regions and the effect of one year storage (20 ± 5ºC) on the diastase activity and hydroxymethylfurfural (HMF) content were determined. Compositional data measured in the fresh honeys were HMF, diastase number, moisture, invert sugar, sucrose, ash, proline, pH, free acid and lactone. Average values were as follows: HMF 3.3 mg kg^{-1}, diastase number 14.6, moisture 16.0%, invert sugar 70.3%, sucrose 1.8%, ash 0.1%, proline 53.0 mg/100g; pH 3.8, free acid 22.3 meq …
Physical And Chemical Characteristics Of Taro [Colocasia Esculenta (L.) Schott] Corms And Processing To Chips And Puree, Mevlüt Şen, Atti̇la Akgül, Musa Özcan
Physical And Chemical Characteristics Of Taro [Colocasia Esculenta (L.) Schott] Corms And Processing To Chips And Puree, Mevlüt Şen, Atti̇la Akgül, Musa Özcan
Turkish Journal of Agriculture and Forestry
This study was carried out to establish some physical properties and proximate chemical compositions of taro corms collected from Anamur and Bozyazı in İçel province, Turkey. A total of two taro corms from different sources were evaluated for pH, dry matter, crude protein, crude cellulose unrefined oil, starch, invert sugar, total sugar, ash, Ca, Mg ve K. French fries produced from the corms were evaluated on composition and sensory properties. The samples collected from Anamur and Bozyazı differed in some parameters. Taro corms were rich in starch, magnesium and potassium. Sensory analysis of the products showed no difference between the …
Studies On Flower Types And Pollination Properties Of Some Vitis Species And Cultivars Used As Rootstocks, Bi̇rhan Marasali, Ni̇lgün Göktürk Baydar
Studies On Flower Types And Pollination Properties Of Some Vitis Species And Cultivars Used As Rootstocks, Bi̇rhan Marasali, Ni̇lgün Göktürk Baydar
Turkish Journal of Agriculture and Forestry
15 American rootstocks (Rupestris du Lot, 99 R, 110 R, 1103 P, 420 A, SO 4, 5 C, 44-53 M, 1616 C, Ramsey, 1613 C, 41 B, 5 BB, Fercal, Harmony) were used as plant materials. Because of the importance of rootstock breeding programs, the flower biology of rootstocks were studied. For this reason, the morphology and anatomy of the flowers and the productivity, viability, germination rate, size and shape classification of the pollens were examined. According to the results of the study, three flower types (male, functionally male and functionally female flowers) were determined. Rootstocks having functionally female flowers …
The Xylotroph's Macromycetes On Beech In Azerbaijani Forests, Elşad Hüseyi̇n, Faruk Selçuk
The Xylotroph's Macromycetes On Beech In Azerbaijani Forests, Elşad Hüseyi̇n, Faruk Selçuk
Turkish Journal of Agriculture and Forestry
The aim of this study is to investigate the species composition and significance of beech-wood decomposing macromycetes. A total of 101 species of macromycetes were found on beech (Fagus orientalis Lipsky) in Azerbaijani forests. All species of xylotophic macromycetes belonged to 52 genera and 13 families of the orders Aphyllophorales, Polyporales, Agaricales and Auriculariales from the subdivision Basidiomycotina. The greatest part (79%) of xylotrophic species is represented by the order Aphyllophorales, species of Polyporales compose 10.9%, Agaricales 8.9%, and only one species belonging to the order Auriculariales. The Poriaceae family takes first place in terms of the number of species …
Evaluation Of Stand Homogeneity And Stem Quality In Ash (Fraxinus Angustifolia, Wahl.) Stands, Fi̇kret Kapucu, Hakki Yavuz, Altay Uğur Gül
Evaluation Of Stand Homogeneity And Stem Quality In Ash (Fraxinus Angustifolia, Wahl.) Stands, Fi̇kret Kapucu, Hakki Yavuz, Altay Uğur Gül
Turkish Journal of Agriculture and Forestry
This study presents the results of a study conducted to determine stem quality and the homogeneity of stands of ash (Fraxinus angustifolia Wahl.) in natural and plantation stands in the central and western Black Sea Regions in Turkey. The results obtained from this study can be summarized as follows: (i) According to homogeneity index values, plantations are more homogeneous than natural ash stands, (ii) The homogeneity index values of natural ash stands and plantations are similar to the values of some even-aged stands given in the literature, (iii) There is a statistically significant difference between the stand value of plantations …
Effects Of Different Seeding Rates And Cutting Times On The Forage Yield And Forage Quality Of Autotetraploid Perennial Rye (Secale Montanum Guss.), İlknur Akgün, Meti̇n Tosun, Mahmut Taşpinar, Sevi̇m Sağsöz
Effects Of Different Seeding Rates And Cutting Times On The Forage Yield And Forage Quality Of Autotetraploid Perennial Rye (Secale Montanum Guss.), İlknur Akgün, Meti̇n Tosun, Mahmut Taşpinar, Sevi̇m Sağsöz
Turkish Journal of Agriculture and Forestry
This research was carried out in 1995-97, in Erzurum ecological conditions, in order to study the effects of different seeding rates (100, 200, 300, 400 and 500 seeds/m^2) and cutting times (at shooting, boot, heading and flowering stages) on hay yield and quality. The effects of seeding rates on fresh and dry hay yields, crude protein content and crude protein yield were significant while P, Ca, Mg, K, and ash contents and tetany value were not significant, based on the research. According to cutting times, all characteristics examined showed significant differences. Delayed cuttings applied at the flowering stage reduced fresh …