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Articles 1 - 30 of 96
Full-Text Articles in Forest Sciences
Fatty Acid Composition, Oxidative Stability, And Antioxidant Properties Of Some Hungarian And Other Persian Walnut Cultivars, Geza Bujdoso, Éva Kónya, Mária Berki, Magdolna Nagy-Gasztonyi, Krisztina Bartha-Szügyi, Balázs Marton, Ferenc Izsépi, Nóra Adányi
Fatty Acid Composition, Oxidative Stability, And Antioxidant Properties Of Some Hungarian And Other Persian Walnut Cultivars, Geza Bujdoso, Éva Kónya, Mária Berki, Magdolna Nagy-Gasztonyi, Krisztina Bartha-Szügyi, Balázs Marton, Ferenc Izsépi, Nóra Adányi
Turkish Journal of Agriculture and Forestry
Ten different Persian walnut cultivars were examined for their compositional data, including eight Hungarian and two introduced varieties. Oil content and fatty acid composition were determined, as well as oxidative stability (indicated by induction time). Antioxidative capacity, total polyphenol measurements, and individual phenolic compounds were also determined. Not only dry samples but fresh and stored samples were included in this study. Large differences were found among the varieties within these parameters, for example in oxidative stability, which contributes to antioxidative capacity. In conclusion, the nutritional value of Hungarian walnut cultivars was the same or even higher than those of foreign …
Use Of Black Locust/Poplar Wood As Filler In Thermoplastic Composites, Seyyed Khalil Hosseinihashemi, Sina Karimi, Ahmad Jahan Latibari, Abbas Tamjidi, Nadi̇r Ayrilmiş
Use Of Black Locust/Poplar Wood As Filler In Thermoplastic Composites, Seyyed Khalil Hosseinihashemi, Sina Karimi, Ahmad Jahan Latibari, Abbas Tamjidi, Nadi̇r Ayrilmiş
Turkish Journal of Agriculture and Forestry
Wood plastic composites (WPCs) were produced from different mixtures (up to 45% by weight) of poplar (Populus alba L.) and pruning branches of black locust (Robinia pseudoacacia) wood flours, polypropylene (53 wt.%), and maleic anhydride-grafted polypropylene (2 wt.%). Weight loss, flexural strength (MOR), flexural modulus (MOE), notched impact strength (IS), water absorption (WA), and thickness swelling (TS) of WPCs after 24 h of immersion in distilled water were determined before and after incubation with white-rot fungus (Trametes versicolor) for 7 weeks. The MOR and MOE increased with an increase in poplar wood in the WPC. The notched IS decreased with …
Needle Characteristics Of Lebanon Cedar (Cedrus Libani A.Rich.): Degradation Of Epicuticular Waxes And Decrease Of Photosynthetic Rates With Increasing Needle Age, Ayli̇n Güney, Reiner Zimmermann, Anna Krupp, Klaus Haas
Needle Characteristics Of Lebanon Cedar (Cedrus Libani A.Rich.): Degradation Of Epicuticular Waxes And Decrease Of Photosynthetic Rates With Increasing Needle Age, Ayli̇n Güney, Reiner Zimmermann, Anna Krupp, Klaus Haas
Turkish Journal of Agriculture and Forestry
The evergreen conifer Cedrus libani A.Rich. İs frost- and drought-tolerant and of economic and ecological importance. It has valuable timber and thus has promising potential for cultivation within and outside its natural distribution. Our aim was to determine the morphological and physiological characteristics of C. Libani needle leaves with respect to epicuticular waxes, photosynthetic assimilation rates, and needle age. The study was conducted in the Cedar Research Forest near Elmalı, Antalya (SW Turkey) at 1650 m a.s.l. An equation to calculate needle surface area from needle length was created (R2 = 0.96) for adult cedar needles. The form factor for …
The Effects Of Sulfur, Cattle, And Poultry Manure Addition On Soil Phosphorus, Osman Sönmez, Veysel Turan, Cengi̇z Kaya
The Effects Of Sulfur, Cattle, And Poultry Manure Addition On Soil Phosphorus, Osman Sönmez, Veysel Turan, Cengi̇z Kaya
Turkish Journal of Agriculture and Forestry
Use of organic manures for soil amendment has gained renewed attention with growing concerns about sustaining soil productivity. A greenhouse study was carried out to determine the influence of different soil amendments, namely poultry manure (PM), cattle manure (CM), and sulfur (S), on soil P status. The application rates were 0, 4, and 8 t ha-1 for PM; 0, 20, and 40 t ha-1 for CM; and 0, 0.75, and 1.5 t ha-1 for S treatments. Individual additions of PM and CM unlike S significantly affected phosphorus (P) concentrations in soils. The highest Olsen P and total P (TP) were …
Inheritance Of Fuzz And Lint Fiber Initiation Of Cotton (Gossypium Hirsutum L.), Adem Bardak, Yüksel Bölek
Inheritance Of Fuzz And Lint Fiber Initiation Of Cotton (Gossypium Hirsutum L.), Adem Bardak, Yüksel Bölek
Turkish Journal of Agriculture and Forestry
Fibers of cultivated cotton are classified into two types, lint and fuzz. Fuzzless seeds are cotton seeds lacking fuzz on almost the whole surface of the seed except for small amounts of fuzz at the micropylar or chalazal regions. Fuzzless seeds provide a number of advantages such as avoiding delintation processes and increasing the quality of feed rations. Therefore, it is important to develop varieties having seeds without fuzz but with high fiber ratios. This study, in which three different F2 populations have been developed by using three distinct genotypes as parents, was conducted to investigate the quantitative inheritance of …
The Effects Of Different Nitrogen And Phosphorus Doses On Essentialoil Components Of Some Mentha Genotypes, Meryem Yeşi̇l, Kemaletti̇n Kara
The Effects Of Different Nitrogen And Phosphorus Doses On Essentialoil Components Of Some Mentha Genotypes, Meryem Yeşi̇l, Kemaletti̇n Kara
Turkish Journal of Agriculture and Forestry
The present study was conducted in Erzurum during the years 2010 and 2011 to determine the effects of different nitrogen and phosphorus doses on essential oil components of spearmint genotypes (Mentha spicata L. and Mentha villoso-nervata Opiz.). Two genotypes of Mentha spicata (genotypes 2 and 6) and one genotype of Mentha villoso-nervata (genotype 4) were tested under three nitrogen and phosphorus doses (0, 50, and 100 kg/ha) in a randomized complete block design with three replications. Essential oil components of the genotypes were determined and subjected to variance analysis. Effects of experimental year and nitrogen and phosphorus doses on investigated …
Genetic Basis Of Variation For Within-Boll Yield Components In Cotton, Imtiaz Ali, Amir Shakeel, Asif Ali, Bushra Sadia
Genetic Basis Of Variation For Within-Boll Yield Components In Cotton, Imtiaz Ali, Amir Shakeel, Asif Ali, Bushra Sadia
Turkish Journal of Agriculture and Forestry
Cotton productivity on a per-hectare basis is low in Pakistan. As boll is the basis for seed cotton yield, within-boll yield components can potentially serve as the most basic determinants of cotton productivity on a per unit land area basis. Before attempting the improvement of any trait, it is necessary to know the genetic mechanism lying behind its inheritance. The current study aimed to estimate the genetic basis of within-boll yield components in cotton. The research trials were conducted at the research area of the Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan. Epistasis was found to …
The Influence Of Strainer Types On The Flow And Droplet Velocity Characteristicsof Ceramic Flat-Fan Nozzles, Bahadir Sayinci
The Influence Of Strainer Types On The Flow And Droplet Velocity Characteristicsof Ceramic Flat-Fan Nozzles, Bahadir Sayinci
Turkish Journal of Agriculture and Forestry
This study focused on determining the effect of various strainer types and their usage without strainer on the flow and droplet velocity characteristics of ceramic flat-fan nozzles. The nozzle types discussed are the standard (APE), low pressure drift reduction (ADI), and wide pressure range (AXI). The results of this study show that the orifice coefficient (k) of the ADI nozzle with a preorifice was lower than those of the API and AXI nozzles. The ball check strainers had a limiting effect on the nozzle's flow rate. The pressure exponent coefficients (n) were 0.57 for the API nozzle and 0.62 for …
Impacts Of Two Spatially And Temporally Isolated Anthropogenic Fire Eventson Soils Of Oak-Dominated Zagros Forests Of Iran, Javad Mirzaei
Impacts Of Two Spatially And Temporally Isolated Anthropogenic Fire Eventson Soils Of Oak-Dominated Zagros Forests Of Iran, Javad Mirzaei
Turkish Journal of Agriculture and Forestry
Anthropogenic fires have varying effects on the oak-dominated forests of the Zagros Mountains in western Iran. The objective of this project was to investigate the effects of fire on various components of soil. For this purpose three homogeneous and neighboring sites were inspected. Site A was the unburned control. Sites B and C experienced fires about 2 and 8 years prior to the study, respectively. In comparison to the control, site B showed a decline in organic matter content (1.69 ± 0.24 vs. 1.13 ± 0.17), N amount (0.40 ± 0.05 vs. 0.19 ± 0.03), litter depth (1.20 ± 0.214 …
Impact Of Long Term Soil Management Practices On The Fertility Andweed Flora Of An Almond Orchard, Giovanna Cucci, Giovanni Lacolla, Carmine Crecchio, Silvia Pascazio, Donato De Giorgio
Impact Of Long Term Soil Management Practices On The Fertility Andweed Flora Of An Almond Orchard, Giovanna Cucci, Giovanni Lacolla, Carmine Crecchio, Silvia Pascazio, Donato De Giorgio
Turkish Journal of Agriculture and Forestry
Soil management techniques can definitely influence soil quality, and particularly soil organic matter content, biological complexity, structure, and water holding capacity. Tillage may also have a negative effect by increasing erosion and organic matter oxidation processes, which have unavoidable repercussions on fertility. The objective of the current research was to test the effects of five different management techniques applied for 35 years on a rain-fed almond grove (Prunus amygdalus Batsch) in a hot-dry environment on some physicochemical, hydrological, and biological parameters. The following soil management techniques were compared: no-till (NT), with weed control by preemergence herbicides; NT, with chemical weed …
Diversity Analysis Of Green Gram (Vigna Radiata (L.) Wilczek)Through Morphological And Molecular Markers, Gunjeet Kaur, Arunabh Joshi, Devendra Jain, Ravish Choudhary, Divya Vyas
Diversity Analysis Of Green Gram (Vigna Radiata (L.) Wilczek)Through Morphological And Molecular Markers, Gunjeet Kaur, Arunabh Joshi, Devendra Jain, Ravish Choudhary, Divya Vyas
Turkish Journal of Agriculture and Forestry
Twenty-three genotypes of green gram (Vigna radiata (L.) Wilczek) were collected to determine the extent of genetic diversity through morphological characters as well as random amplified polymorphic DNA (RAPD), inter-simple sequence repeat (ISSR), and simple sequence repeat (SSR) fingerprinting results. Analysis of variance revealed significant mean square values that indicated a substantial degree of genetic variability among the genotypes. Significant genetic variance was observed for days to 50% maturity, days to maturity, plant height (cm), number of branches/plant, number of pods/plant, pod length (cm), 1000-seed weight (g), seed yield/plant (g), biological yield (g), and harvest index (%) during cultivation in …
Improving Nitrogen-Use And Radiation-Use Efficiencies Of C4 Summer Cerealsby Split Nitrogen Applications Under An Irrigated Arid Environment, Shakeel Ahmad, Hakoomat Ali, Umair Farooq, Shahzad Usman Khan, Atique-Ur Rehman, Naeem Sarwar, Ahmad Naeem Shahzad, Hülya Doğan, Shabbir Hussain, Muhammad Tauseef Sultan, Abdul Waheed, Muhammad Zia Ul Haq, Khadim Hussain, Muhammad Azam Khan
Improving Nitrogen-Use And Radiation-Use Efficiencies Of C4 Summer Cerealsby Split Nitrogen Applications Under An Irrigated Arid Environment, Shakeel Ahmad, Hakoomat Ali, Umair Farooq, Shahzad Usman Khan, Atique-Ur Rehman, Naeem Sarwar, Ahmad Naeem Shahzad, Hülya Doğan, Shabbir Hussain, Muhammad Tauseef Sultan, Abdul Waheed, Muhammad Zia Ul Haq, Khadim Hussain, Muhammad Azam Khan
Turkish Journal of Agriculture and Forestry
Increasing resource-use efficiency is of prime importance in sustainable agriculture. A field study was carried out to improve nitrogen-use efficiency (NUE) and radiation-use efficiency (RUE) of three C4 summer cereals, i.e. Maize, millet, and sorghum, under an irrigated arid environment. The results showed that among various cultivars of cereals, cultivars Pearl (maize), 18 BY (millet), and Jumbo (sorghum) produced the highest aboveground total dry matters and grain yields. The highest NUE and RUE were obtained by splitting the nitrogen dose 3 times, i.e. At sowing and at first and second irrigation. The NUE for maize, millet, and sorghum varied from …
Labor Requirements And Work Efficiencies Of Hazelnut Harvesting Usingtraditional And Mechanical Pick-Up Methods, Taner Yildiz
Labor Requirements And Work Efficiencies Of Hazelnut Harvesting Usingtraditional And Mechanical Pick-Up Methods, Taner Yildiz
Turkish Journal of Agriculture and Forestry
This study was completed with the aim of determining labor requirements, work efficiencies, and total costs of 6 different traditional hazelnut pick-up methods, along with 3 different mechanical harvest methods using a portable-type pneumatic hazelnut harvesting machine, on flat ground in two hazelnut orchards with linear and brush planting systems. Trials were conducted in the two different orchards in the August 2013 harvesting season. Among traditional pick-up methods, the lowest unit of human labor requirements (units of human labor power, h ha-1) in an orchard with a linear planting system was obtained (180.17 h ha-1) for the method involving Ethrel …
Effects Of Water Regimes On Inulin Content And Inulin Yield Of Jerusalem Artichoke Genotypes With Different Levels Of Drought Tolerance, Cholada Aduldecha, Wanwipa Kaewpradit, Nimitr Vorasoot, Darunee Puangbut, Sanun Jogloy, Aran Patanothai
Effects Of Water Regimes On Inulin Content And Inulin Yield Of Jerusalem Artichoke Genotypes With Different Levels Of Drought Tolerance, Cholada Aduldecha, Wanwipa Kaewpradit, Nimitr Vorasoot, Darunee Puangbut, Sanun Jogloy, Aran Patanothai
Turkish Journal of Agriculture and Forestry
Drought is a recurring problem of Jerusalem artichoke (Helianthus tuberosus L.) production under rainfed conditions. A better understanding of the responses of Jerusalem artichoke genotypes to drought can lead to the improvement of inulin content and inulin yield in Jerusalem artichoke and its production planning. The objective of this study was to compare the responses of five Jerusalem artichoke genotypes (JA60, JA125, JA5, JA89, and HEL65) to three water regimes (100% available water (AW; field capacity), 50% AW, and 25% AW) for inulin content and inulin yield. The experimental results showed that water regimes and Jerusalem artichoke genotypes were significantly …
Occurrence Of A Microsporidium In The Predatory Beetle Calosoma Sycophanta L. (Coleoptera: Carabidae), Mustafa Yaman, Mahmut Eroğlu, Renate Radek
Occurrence Of A Microsporidium In The Predatory Beetle Calosoma Sycophanta L. (Coleoptera: Carabidae), Mustafa Yaman, Mahmut Eroğlu, Renate Radek
Turkish Journal of Agriculture and Forestry
Calosoma sycophanta L. (Coleoptera: Carabidae) is a voracious predatory beetle that feeds on several important lepidopteran pests. It is mass reared in laboratory breeding and released against forest pests. Any infection in this beetle is undesirable because it impacts production of effective and healthy beetles. In the present study, a microsporidian pathogen was found in C. sycophanta. Mature spores of the pathogen are single, uninucleate, oval, and small, measuring about 3.04 × 1.7 µm. The spore wall is 100 to 110 nm thick and consists of two layers: an electron-dense outer layer, the exospore (30-35 nm), and an electron-lucent inner …
Influence Of Nacl-Salinity On Pb-Uptake Behavior And Growth Of River Red Gum Tree (Eucalyptus Camaldulensis Dehnh.), Muhammad Farrakh Nawaz, Sadaf Gul, Muhammad Ayyoub Tanvir, Javaid Akhtar, Samira Chaudary, Irfan Ahmad
Influence Of Nacl-Salinity On Pb-Uptake Behavior And Growth Of River Red Gum Tree (Eucalyptus Camaldulensis Dehnh.), Muhammad Farrakh Nawaz, Sadaf Gul, Muhammad Ayyoub Tanvir, Javaid Akhtar, Samira Chaudary, Irfan Ahmad
Turkish Journal of Agriculture and Forestry
Lead (Pb) is one of the most toxic and persistent elements, with no known biological role. High concentrations of lead enter saline soils through anthropogenic activities and industrial waste. The decontamination of Pb polluted sites through phytoremediation, especially by using woody plants, is an attractive approach. Eucalyptus camaldulensis is a good accumulator of Pb and a recommended tree species for reclamation of saline soils. However, there is very limited knowledge about the Pb-uptake behavior of Eucalyptus camaldulensis under saline conditions. The objective of this study was to examine the simultaneous impact of NaCl salinity and Pb stress on the phytoremedial …
Investigation Of Pollen Morphological Characteristics In Some Quince (Cydonia Oblonga Mill.) Cultivars, Aleksandar Radovic, Dragan Nikolic, Dragan Milatovic, Dejan Djurovic, Jugoslav Trajkovic
Investigation Of Pollen Morphological Characteristics In Some Quince (Cydonia Oblonga Mill.) Cultivars, Aleksandar Radovic, Dragan Nikolic, Dragan Milatovic, Dejan Djurovic, Jugoslav Trajkovic
Turkish Journal of Agriculture and Forestry
Morphological characterization of pollen grains is very important in the identification of individual species and cultivars of fruit trees, including quince. As material for these studies, the pollen of eight quince cultivars, Leskovacka, Vranjska, Morava, Pazardzijska, Hemus, Asenica, Portugal, and Triumph was used. During the 3-year study period (2010-2012), using scanning electron microscopy (SEM), the following characteristics were investigated: the size and shape of pollen grains (length, width, and length-to-width ratio), colpus length, colpus width, mesocolpium width, and characteristics of exine pattern [number of ridges per area (100 μm2) at the equatorial region of exine, ridge width, and furrow width]. …
Genetic Variation And Interrelationships Among Antioxidant, Quality, And Agronomic Traits In Vegetable Amaranth, Umakanta Sarker, Md. Tofazzal Islam, Md. Golam Rabbani, Shinya Oba
Genetic Variation And Interrelationships Among Antioxidant, Quality, And Agronomic Traits In Vegetable Amaranth, Umakanta Sarker, Md. Tofazzal Islam, Md. Golam Rabbani, Shinya Oba
Turkish Journal of Agriculture and Forestry
This investigation was aimed to evaluate 22 promising vegetable amaranth genotypes for antioxidant, leaf quality, and agronomic traits for two test seasons. The experiment was conducted to study the degree of genetic parameters, associations among different traits, and their contribution towards foliage yield. The analysis of variance for twelve traits was found highly significant. High mean, high range of variability, and high genotypic variance were observed for all the traits except content of Ca, protein, and carotenoid. Close differences between genotypic and phenotypic variances and genotypic and phenotypic coefficients of variation were observed for all the traits. High to moderate …
Antioxidant Potential Of Turkish Pepper (Capsicum Annuum L.) Genotypes At Two Different Maturity Stages, Davut Keleş, Şenay Özgen, Onur Saraçoğlu, Ati̇lla Ata, Mustafa Özgen
Antioxidant Potential Of Turkish Pepper (Capsicum Annuum L.) Genotypes At Two Different Maturity Stages, Davut Keleş, Şenay Özgen, Onur Saraçoğlu, Ati̇lla Ata, Mustafa Özgen
Turkish Journal of Agriculture and Forestry
Improved phytochemicals and antioxidant properties in crops are becoming important traits in many breeding programs. In this study, along with several other horticultural attributes, total phenolic content (TP) and antioxidant capacity (ferric reducing ability of plasma (FRAP) and Trolox equivalent antioxidant capacity (TEAC)) of 52 superior pepper genotypes from the Alata Pepper Breeding Program were examined. The fruits from these plants were harvested at immature and mature stages. The genotypes greatly varied for TP, FRAP, TEAC, soluble solids, vitamin C content, and fruit color as determined by L, a and b values. The range for TP was 319-4047 µg GAE/g …
Identification Of Olive Cultivars Using Image Processing Techniques, Abdullah Beyaz, Ramazan Öztürk
Identification Of Olive Cultivars Using Image Processing Techniques, Abdullah Beyaz, Ramazan Öztürk
Turkish Journal of Agriculture and Forestry
As a country in an olive production zone, olive (Olea europaea L.) production is of great economic importance for Turkey. Turkey has 88 domestic and 28 foreign cultivars of olive, all of which are located in the Kemalpaşa Production and Research Garden (Olive Gene Bank) at the Olive Research Station in İzmir (38°25'34.7628''N, 27°25'22.9872''E). The aim of this study was the identification of olive cultivars using image processing techniques. For this aim, images of olives, taken at 2896 x 1944 pixel and 300 dpi resolution, were captured using a DSLR camera, and evaluations of pixels were used for considering the …
Determination Of Antioxidant, Total Phenolic, Total Carotenoid, Lycopene, Ascorbic Acid, And Sugar Contents Of Citrus Species And Mandarin Hybrids, İhsan Canan, Müttali̇p Gündoğdu, Ubeyi̇t Seday, Celi̇le Ayli̇n Oluk, Zafer Karaşahi̇n, Evren Çağlar Eroğlu, Ebru Yazici, Mustafa Ünlü
Determination Of Antioxidant, Total Phenolic, Total Carotenoid, Lycopene, Ascorbic Acid, And Sugar Contents Of Citrus Species And Mandarin Hybrids, İhsan Canan, Müttali̇p Gündoğdu, Ubeyi̇t Seday, Celi̇le Ayli̇n Oluk, Zafer Karaşahi̇n, Evren Çağlar Eroğlu, Ebru Yazici, Mustafa Ünlü
Turkish Journal of Agriculture and Forestry
This study aimed to determine the antioxidant capacity; the total phenolic, total carotenoid, sugar, and ascorbic acid contents; and some pomological characteristics of Citrus species (Citrus reticulata, Citrus sinensis, and Citrus paradisi) and mandarin (Citrus reticulata) and their new hybrids developed for yield at the Alata Horticultural Research Institute in Mersin, Turkey. With respect to antioxidant capacities, the highest value (45.28 µmol TE/100 g) was determined in Cocktail (Citrus paradisi) cultivar fruits among all examined cultivars and hybrids. We found that 7-19 (Clementine x Kara) mandarin hybrids had the highest total phenolic content (386.81 mg gallic acid equivalent/g) and the …
Superparasitism And Host Discrimination Behavior Of Eretmocerus Warraenaumann & Schmidt (Hymenoptera: Aphelinidae), Abdul Hanan, Muhammad Shakeel, Xiong Zhao He, Abdul Razzaq, Qiao Wang
Superparasitism And Host Discrimination Behavior Of Eretmocerus Warraenaumann & Schmidt (Hymenoptera: Aphelinidae), Abdul Hanan, Muhammad Shakeel, Xiong Zhao He, Abdul Razzaq, Qiao Wang
Turkish Journal of Agriculture and Forestry
Eretmocerus warrae Naumann and Schmidt is a thelytokous parasitoid that attacks the greenhouse whitefly, Trialeurodes vaporariorum. Its host discrimination and superparasitism behavior was investigated at different host densities and time intervals between the first and second ovipositions under laboratory conditions (22 ± 1 °C, 60 ± 5% RH, a 16:8 light:dark photoperiod). At a density of between 10 and 15 hosts, significantly fewer ovipositions in parasitized nymphs were performed by the same experienced parasitoids (SEPs) or by different experienced parasitoids (DEPs) than by naïve parasitoids (NPs) 1 and 24 h after parasitization by the first female. However, at a host …
The Effect Of Growth Conditions In Specific Areas Of Croatia And The Czech Republic On The Physical And Mechanical Properties Of Black Alder Wood (Alnus Glutinosa Gaertn.), Jaromir Milch, Hanus Vavrcik, Jan Tippner, Martin Brabec
The Effect Of Growth Conditions In Specific Areas Of Croatia And The Czech Republic On The Physical And Mechanical Properties Of Black Alder Wood (Alnus Glutinosa Gaertn.), Jaromir Milch, Hanus Vavrcik, Jan Tippner, Martin Brabec
Turkish Journal of Agriculture and Forestry
In this paper, static bending (modulus of rupture, MOR, and modulus of elasticity, MOE) and compression strength parallel to grain (Σc??) of black alder wood (Alnus glutinosa Gaertn.) were investigated. For experimental testing, we used black alder wood from two different areas: Crni Jarci, Croatia, and Malá Byst?ice, Czech Republic. Experimental tests were carried out according to the Czech national standards: ?SN 49 0115 and ?SN 49 0116 for static bending and ?SN 49 0110 for compression strength. The samples from Malá Byst?ice showed lower values of MOR (~14%), MOE (~30%), and Σc?? (~4%), when compared to the samples from …
Failure Of Biological Control Of Frankliniella Occidentalis On Protected Eggplants Using Amblyseius Swirskii In The Mediterranean Region Of Turkey, Hali̇l Kütük, Mehmet Karacaoğlu, Mustafa Tüfekli̇, Raul Villanueva
Failure Of Biological Control Of Frankliniella Occidentalis On Protected Eggplants Using Amblyseius Swirskii In The Mediterranean Region Of Turkey, Hali̇l Kütük, Mehmet Karacaoğlu, Mustafa Tüfekli̇, Raul Villanueva
Turkish Journal of Agriculture and Forestry
The western flower thrips, Frankliniella occidentalis (Pergande), is one of the most important insect pests in the Mediterranean region of Turkey. Thrips infestation is the main cause of vegetable crops losses in low polythene tunnels and plastic greenhouses. Chemical control has been the primary means to control F. Occidentalis in protected cultivation systems in Turkey. A search of alternatives to conventional insecticides for the control of F. Occidentalis has drawn increased interest in the use of biocontrol agents. This study evaluated the control efficiency of F. Occidentalis on eggplants through releases of the predatory mite Amblyseius swirskii (Athias-Henriot) at a …
Possible Chemical Mechanism And Determination Of Inhibitory Effects Of 1-Mcp On Superficial Scald Of The Granny Smith Apple Variety, Nesli̇han Eki̇nci̇, Murat Şeker, Fatma Aydin, Mehmet Ali̇ Gündoğdu
Possible Chemical Mechanism And Determination Of Inhibitory Effects Of 1-Mcp On Superficial Scald Of The Granny Smith Apple Variety, Nesli̇han Eki̇nci̇, Murat Şeker, Fatma Aydin, Mehmet Ali̇ Gündoğdu
Turkish Journal of Agriculture and Forestry
The effects of postharvest 1-methylcyclopropene (1-MCP) treatments on α-farnesene content, incidence of scald, and ethylene content of the Granny Smith apple were evaluated in this study. Harvested apples were treated with 1-MCP at concentrations of 312.5, 625, and 1250 ppb. The 625 and 1250 ppb doses were found to be the most effective in terms of quality protection during storage. For untreated fruits, symptoms of scald development appeared after 8 weeks in cold storage, whereas 1-MCP doses of 625 and 1250 ppb were effective in decreasing superficial scald in fruit after 24 weeks of cold storage. 1-MCP can inhibit oxidation …
Determination Of Forage Quality By Near-Infrared Reflectance Spectroscopy In Soybean, Sovetgul Asekova, Sang-Ik Han, Hong-Jib Choi, Sang-Jo Park, Dong-Hyun Shin, Chan-Ho Kwon, J. Grover Shannon, Jeong Dong Lee
Determination Of Forage Quality By Near-Infrared Reflectance Spectroscopy In Soybean, Sovetgul Asekova, Sang-Ik Han, Hong-Jib Choi, Sang-Jo Park, Dong-Hyun Shin, Chan-Ho Kwon, J. Grover Shannon, Jeong Dong Lee
Turkish Journal of Agriculture and Forestry
Soybeans have been a favored livestock forage for centuries. However, only a few studies have been conducted to estimate the forage quality of soybean by near-infrared reflectance spectroscopy (NIRS). In this study, 353 forage soybean samples were used to develop near-infrared reflectance (NIR) equations to estimate four forage quality parameters: crude protein (CP), crude fat (CF), neutral detergent fiber (NDF), and acid detergent fiber (ADF). Samples included 181 recombinant inbred lines derived from PI 483463 (G. Soja) × Hutcheson (G. Max), 104 cultivated soybeans (G. Max), and 68 wild soybeans (G. Soja). Two NIR equations developed for CP and CF …
The Effect Of Trinexapac-Ethyl And Seeding Rate On Rice Milling Yields, İsmai̇l Sezer, Rasi̇m Ünan, Mevlüt Şahi̇n, Michael Orrin Way
The Effect Of Trinexapac-Ethyl And Seeding Rate On Rice Milling Yields, İsmai̇l Sezer, Rasi̇m Ünan, Mevlüt Şahi̇n, Michael Orrin Way
Turkish Journal of Agriculture and Forestry
The effects of the plant growth regulator trinexapac-ethyl (TE), conjoined with different seeding rates of rice (Oryza sativa L.) milling yields, were evaluated in Turkey between 2009 and 2010. Two rice cultivars (Osmancık-97 and Karadeniz), three seeding rates (400, 500, and 600 seeds m-2), and four doses of TE (0, 100, 200, and 300 g ai ha-1) were compared. The experiments were designed in a randomized block in factorial ordering with 3 replicates. Quality factors including head, cargo, and total rice milling yields, 1000 grain weight, and lodging score were evaluated. Head rice milling yield was affected significantly; however, no …
Correlation Between Browning Degree And Composition Of Importantturkish White Wine Grape Varieties, Mustafa Ümi̇t Ünal, Aysun Şener
Correlation Between Browning Degree And Composition Of Importantturkish White Wine Grape Varieties, Mustafa Ümi̇t Ünal, Aysun Şener
Turkish Journal of Agriculture and Forestry
This study was undertaken to investigate the correlation between browning degree and composition of important Turkish white wine grape varieties during the 2006 and 2007 seasons. Large seasonal and cultivar variations were found in all measured variables. The highest browning degree was found in the Narince cultivar in both years, followed by Emir and Sultaniye, with Narince being the most susceptible to browning and Sultaniye being the least. No correlation (P < 0.05) was found between browning degrees and cysteine, glutathione, polyphenol oxidase activity, or total phenolic contents. Effects of harvest year and variety on all measured parameters, except total phenolics, were statistically significant (P < 0.01).
Physicochemical, Functional, And Sensory Properties Of Yogurts Containing Persimmon, Seher Arslan, Selma Bayrakci
Physicochemical, Functional, And Sensory Properties Of Yogurts Containing Persimmon, Seher Arslan, Selma Bayrakci
Turkish Journal of Agriculture and Forestry
This study investigated the effects of various concentrations (10% and 12%, w/w) of persimmon marmalade and puree used in yogurt production. The antioxidant capacity, composition, and physicochemical and sensory properties of yogurts were established during the storage period. The titratable acidity contents and pH values of the samples changed slowly throughout the storage period. Yogurts made from persimmon marmalade had higher a and b values than did other yogurts. Yogurt containing 12% persimmon marmalade received the highest sensory analysis values. The dry matter contents of the samples fluctuated between 16.67% and 21.54% throughout the storage period. The highest viscosity and …
Potential Of A Tetraploid Line As Female Parent For Developing Yellow- Andred-Fleshed Seedless Watermelon, Pradeepkumar Thayyil, Sujatha Remani, Gopalakrishnan Thattamparambil Raman
Potential Of A Tetraploid Line As Female Parent For Developing Yellow- Andred-Fleshed Seedless Watermelon, Pradeepkumar Thayyil, Sujatha Remani, Gopalakrishnan Thattamparambil Raman
Turkish Journal of Agriculture and Forestry
A tetraploid inbred line KAU-TETRA-CL-1 was developed in the watermelon cultivar Sugar Baby through treatment of seedling shoot tips with colchicine solution (0.5%) followed by selection for increased fertility in the C2, C3, C4, and C5 generations. Chloroplast count and guard cell measurement in successive generations of tetraploids were employed as criteria for detecting higher ploidy level and tetraploidy was confirmed by flow cytometry in the C5 generation. A distinct difference was observed in the stomata of diploid Sugar Baby (length: 20.52 ± 1.4 μm; diameter: 15.86 ± 1.0 μm; number of chloroplasts: 11.2-13.1) and tetraploids from the C5 generation …