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Articles 1111 - 1140 of 2171
Full-Text Articles in Life Sciences
Plant And Insect Diversity Along An Experimental Gradient Of Larch-Birch Mixtures In Chinese Boreal Forests, Jing Li, Juan Shi, Youqing Luo, Kari Heliovaara
Plant And Insect Diversity Along An Experimental Gradient Of Larch-Birch Mixtures In Chinese Boreal Forests, Jing Li, Juan Shi, Youqing Luo, Kari Heliovaara
Turkish Journal of Agriculture and Forestry
Maintaining and increasing biodiversity level especially in pure plantations is one important way to improve the resistance of forests to pests in Chinese boreal forests. The present study tested the hypothesis that the increased degree of tree species mixture (quantified by the stem proportion of Betula platyphylla Suk. and Larix gmelinii (Rupr.) Rupr.) can affect the species richness and diversity of understory and insects. Twenty-one plots, ranging from pure larch stand to pure birch stand, were sampled in several thinned forests in a Chinese boreal forest area. Data of environmental factors, understory plant species and insect assemblage were collected from …
Seasonal Variation In Rooting Of The Cuttings From Tetraploid Locust In Relation To Nutrients And Endogenous Plant Hormones Of The Shoot, Wang Xiao Ling, Zhao Zhong
Seasonal Variation In Rooting Of The Cuttings From Tetraploid Locust In Relation To Nutrients And Endogenous Plant Hormones Of The Shoot, Wang Xiao Ling, Zhao Zhong
Turkish Journal of Agriculture and Forestry
This study was carried out to elucidate the relationship between seasonal variation of rooting ability and inner conditions of the cuttings of Tetraploid Locust, and to determine the optimum time for rooting. It was conducted in a glasshouse at the Experimental Nursery of the College of Forestry, North-West Agriculture and Forestry University, Yang Ling, China, during 2009. Tetraploid Locust cuttings were taken from healthy trees of 3-year-old field-grown mother-stock orchard. Cuttings (15 cm in length and 10-12 mm in diameter) were collected and planted on 15 February, 15 March, 15 May, 15 June, 15 July, and 15 August. The results …
Characterization Of Sunflower Testing Environments In Serbia, Gordana R. Brankovic, Igor M. Balalic, Miroslav Z. Zoric, Vladimir J. Miklic, Sinisa B. Jocic, Gordana G. Surlan-Momirovic
Characterization Of Sunflower Testing Environments In Serbia, Gordana R. Brankovic, Igor M. Balalic, Miroslav Z. Zoric, Vladimir J. Miklic, Sinisa B. Jocic, Gordana G. Surlan-Momirovic
Turkish Journal of Agriculture and Forestry
A sunflower testing network that included 25 commercial hybrids and 26 sites in Serbia was analyzed by the sites regression biplot based on grain yield data in 2006 and 2007. The scientific aims of our study were to determine the representativeness and discriminating ability of the test sites and to identify good test sites for selecting generally and specifically adapted sunflower hybrids. Correlations among test sites, revealed by biplot and with Spearman's nonparametric rank correlation coefficients for each pair of test sites, were compared. Discriminating but nonrepresentative test sites in our study were represented by Aleksa Santic (18.8 °C average …
The Effects Of Arbuscular Mycorrhizal Fungi On The Seedling Growth Of Four Hybrid Cucumber (Cucumis Sativus L.) Cultivars, Şefi̇k Tüfenkci̇, Semra Demi̇r, Suat Şensoy, Hüsameddi̇n Ünsal, Emre Demi̇rer Durak, Çeknas Erdi̇nç, Şeyhmus Bi̇çer, Ayteki̇n Eki̇nci̇alp
The Effects Of Arbuscular Mycorrhizal Fungi On The Seedling Growth Of Four Hybrid Cucumber (Cucumis Sativus L.) Cultivars, Şefi̇k Tüfenkci̇, Semra Demi̇r, Suat Şensoy, Hüsameddi̇n Ünsal, Emre Demi̇rer Durak, Çeknas Erdi̇nç, Şeyhmus Bi̇çer, Ayteki̇n Eki̇nci̇alp
Turkish Journal of Agriculture and Forestry
The effectiveness of different arbuscular mycorrhizal fungi (AMF) on different hybrid cucumber cultivars has not been well documented, even under normal seedling conditions. The present study therefore aimed to evaluate colonization, nutrient uptake, dependency, and other seedling traits of 4 cucumber hybrids (Ceren F_1, Beta F_1, Silyon F_1 and Maraton F_1) inoculated by 3 different AMF [Glomus intraradices (Gi), Glomus etunicatum (Ge) and Gigaspora margarita (Gm)]. Traits were evaluated in a growth chamber experiment consisting of a 4 × 4 factorial design (4 cucumber hybrids, 3 AMF plus 1 control) with 3 random replications. AMF-inoculated cucumber seedlings had shorter hypocotyledons …
Mating System In Natural Populations Of Taurus Cedar (Cedrus Libani A.Rich.), Behi̇ye Banu Bi̇lgen, Yusuf Kurt, Nuray Kaya
Mating System In Natural Populations Of Taurus Cedar (Cedrus Libani A.Rich.), Behi̇ye Banu Bi̇lgen, Yusuf Kurt, Nuray Kaya
Turkish Journal of Agriculture and Forestry
The aim of this study was to estimate patterns of the mating system in 2 natural Cedrus libani A.Rich. populations in Elmalı, Antalya, with the aid of isozyme markers. Isozyme analysis was performed on both maternal and embryo tissues of the seeds collected from Avlankuzu and Çamkuyusu populations. Eleven loci encoding 8 enzyme systems were analyzed. The Avlankuzu and Çamkuyusu populations were a homogeneous and similar gene pool for the loci studied. Based on a multilocus estimator, the proportion of viable seeds originating from outcrossing (tm) was 0.940 for the Avlankuzu population and 0.944 for the Çamkuyusu population. In other …
Two-Stage Sampling To Estimate Individual Tree Biomass, Ramazan Özçeli̇k, Tuncay Eraslan
Two-Stage Sampling To Estimate Individual Tree Biomass, Ramazan Özçeli̇k, Tuncay Eraslan
Turkish Journal of Agriculture and Forestry
The accurate estimation of tree biomass is crucial for the efficient management of forest resources. In this study, we used a subsampling method for unbiased estimates of above-ground tree biomass. The method consists of 2 stages: the first stage consists of randomized branch sampling (RBS) and the second stage uses importance sampling (IS). RBS is used to select a path from the butt of an object branch to a terminal segment. IS is used for selecting a disk that produces unbiased estimates of the fresh biomass of tree. In this study, the subsampling method was tested on 14 black pine …
The Effects Of Different Tillage Methods On The Post-Wheat Second Crop Sesame: Seed Yield, Energy Budget, And Economic Return, Bülent Uzun, Engi̇n Yol, Şeymus Furat, Mehmet Topakci, Murad Çanakci, Davut Karayel
The Effects Of Different Tillage Methods On The Post-Wheat Second Crop Sesame: Seed Yield, Energy Budget, And Economic Return, Bülent Uzun, Engi̇n Yol, Şeymus Furat, Mehmet Topakci, Murad Çanakci, Davut Karayel
Turkish Journal of Agriculture and Forestry
Field experiments were carried out to assess the effects of different tillage practices on second crop sesame (Sesamum indicum L.) after wheat (Triticum aestivum L.) during the growing seasons of 2008 and 2009 in Aksu, Antalya, Turkey. The experimental design included no-till sowing into wet soil (NTW), no-till sowing into dry soil (NTD), reduced tillage (RT), and conventional tillage (CT) with 3 registered sesame cultivars, Muganli-57, Gölmarmara, and Özberk. In the no-till methods, the field was passed over only once for planting, which was directly performed into soil with stubble. In the RT method, the soil was not inverted and …
Oilseed Rape (Brassica Napus L.) Genotypic Variation In Response To Boron Deficiency, Jasna Savic, Volker Römheld, Miroslav Nikolic
Oilseed Rape (Brassica Napus L.) Genotypic Variation In Response To Boron Deficiency, Jasna Savic, Volker Römheld, Miroslav Nikolic
Turkish Journal of Agriculture and Forestry
Boron efficiency of 16 oilseed rape genotypes was tested using both hydroponic and pot-soil growing techniques. From the nutrient solution experiment (0.1 and 10 µM B), 4 representative contrasting genotypes were selected based on relative root and shoot growth. These were then grown in pots with low-B soil (0.25 mg kg^{-1}). From the nutrient solution experiment, 2 genotypes selected as B-inefficient did not show any growth disorders, and the concentration of B in the shoots was above critical. Furthermore, 4 contrasting genotypes were subjected to the stable 11B isotope-enriched uptake solution for 6 h to verify possible low B-induced active …
Response Of Maize And Soybeans To Liming, Luka Andric, Mirta Rastija, Tihana Teklic, Vlado Kovacevic
Response Of Maize And Soybeans To Liming, Luka Andric, Mirta Rastija, Tihana Teklic, Vlado Kovacevic
Turkish Journal of Agriculture and Forestry
A field trial with the application of 3 rates (0, 5, and 20 t ha^{-1}) of hydratized calcite (73% CaO + 2%-3% MgO + 21% H_2O) was set up in the spring of 2006. The experiment area had 3 plots of 630 m2. Each plot was divided into 4 subplots for replications. Over the next 2 years, the residual effects of liming on plant yield and nutrient uptake were investigated using maize hybrid OsSK499 in 2006 and 2007 and soybean variety Ika in 2008. The ear leaves of maize at flowering (mid-July 2006 and 2007) were analyzed for P, K, …
Seed Priming With Antioxidants Improves Sunflower Seed Germination And Seedling Growth Under Unfavorable Germination Conditions, Ivana Draganic, Slavoljub Lekic
Seed Priming With Antioxidants Improves Sunflower Seed Germination And Seedling Growth Under Unfavorable Germination Conditions, Ivana Draganic, Slavoljub Lekic
Turkish Journal of Agriculture and Forestry
The results of studying the effects of sunflower seed priming with an aqueous solution of ascorbic acid (A), tocopherol (T), and glutathione (G) performed prior to accelerated ageing and a cold test are presented in this paper. Germination, the percentage of abnormal seedlings, and the lengths of both roots and shoots were monitored. The results showed that the cold test caused a drastic drop in germination, an adverse effect on the shoot length, an increase in the percentage of abnormal seedlings, and no effect on the root length. Germination of seeds primed with the solution of A, T, and G …
Effect Of Wetted Soil Area On Trunk Growth, Yield, And Fruit Quality Of Drip-Irrigated Sour Cherry Trees, Osman Yildirim, Hati̇ce Dumanoğlu, Nurdan Güneş, Murat Yildirim, Ahmet Aygün, Beki̇r Şan
Effect Of Wetted Soil Area On Trunk Growth, Yield, And Fruit Quality Of Drip-Irrigated Sour Cherry Trees, Osman Yildirim, Hati̇ce Dumanoğlu, Nurdan Güneş, Murat Yildirim, Ahmet Aygün, Beki̇r Şan
Turkish Journal of Agriculture and Forestry
The effect of wetted soil area on trunk growth, yield, and fruit quality in drip-irrigated Kütahya sour cherry (Prunus cerasus L.) trees grafted on mahaleb (Prunus mahaleb L.) seedlings was investigated over 3 seasons in a semiarid zone of Central Anatolia, Turkey. Percentages of wetted soil area ranging from 8.8% to 35.6% were obtained by applying 7 treatments consisting of 1 or 2 lateral drip lines per tree row and various dripper numbers per tree. Adequate irrigation was applied to all treatments based on daily evapotranspiration values estimated by the FAO-modified Penman-Monteith equation. The highest yield was generally obtained at …
Influence Of Soil Chemical Properties On Relative Abundance Of Arbuscular Mycorrhiza In Forested Soils In Malaysia, Kian Huat Ong, John Keen Chubo, Jie Hung King, Chia Shing Lee, Dennis Shan An Su, Philip Sipen
Influence Of Soil Chemical Properties On Relative Abundance Of Arbuscular Mycorrhiza In Forested Soils In Malaysia, Kian Huat Ong, John Keen Chubo, Jie Hung King, Chia Shing Lee, Dennis Shan An Su, Philip Sipen
Turkish Journal of Agriculture and Forestry
The effect of soil chemical properties on the diversity and colonization of arbuscular mycorrhiza (AM) varies among ecosystems. This study was conducted to assess and compare the abundance of AM in a rehabilitated forest and a logged-over forest soil using the most probable number and spore number methods. Glomus (71.7%-82.1%) and Acaulospora (17.4%-19.5%) were found to be abundant in both sites, while Gigaspora was found only in the logged-over forest. The abundance of AM in the rehabilitated forest based on the spore count was significantly higher than in the logged-over forest by a 6-fold difference. Furthermore, root colonization in the …
Effects Of Low-Molecular-Weight Organic Acids On Phosphorus Sorption Characteristics In Some Calcareous Soils, Neda Moradi, Mirhasan Rasouli Sadaghiani, Ebrahim Sepehr, Babak Abdollahi Mandoulakani
Effects Of Low-Molecular-Weight Organic Acids On Phosphorus Sorption Characteristics In Some Calcareous Soils, Neda Moradi, Mirhasan Rasouli Sadaghiani, Ebrahim Sepehr, Babak Abdollahi Mandoulakani
Turkish Journal of Agriculture and Forestry
Understanding the role of organic acids in phosphorus sorption in soils is very important for economic and environmentally friendly management of soil P. Thus, calcareous surface soils (0-30 cm) from West Azerbaijan Province, Iran, were sampled to study the effect of different organic acids on P sorption. Soil samples (2.5 g) were equilibrated with 25 mL of 0.01 M CaCl_2 solution containing 0-20 mg P L^{-1} and 5 mmol L^{-1} of different organic acids (citric, oxalic, and malic acid). The sorption data were well fitted to Freundlich and linear equations but not to the Langmuir equation. The standard P requirements …
Liquid Atomization And Spray Drift Measurement In A Wind Tunnel For A Twin Fluid System With A Deflector Nozzle, Zoltán Gulyás, László Fenyvesi, Sándor Szoboszlay
Liquid Atomization And Spray Drift Measurement In A Wind Tunnel For A Twin Fluid System With A Deflector Nozzle, Zoltán Gulyás, László Fenyvesi, Sándor Szoboszlay
Turkish Journal of Agriculture and Forestry
The objectives of this research were to inspect the drop production of a twin fluid system with the Floodjet TK SS 10 042 deflector nozzle and to identify the drift of the droplets produced by the nozzle in a wind tunnel when using the nozzle with the individual settings provided by the company that enlisted our institute to do the described research task. The results of the inspection of drop production, done using a particle sizer, showed that the values of volume diameter D_{v10} were low, the percentage of drops smaller than 100 µm in size was considerable, and the …
Influence Of Eccentric Drawbar Force On Power Delivery Efficiency Of A Wheeled Tractor, Mirko Simikic, Nebojsa Dedovic, Lazar Savin, Milan Tomic, Hasan Hüseyi̇n Si̇lleli̇, Ondrej Ponjican
Influence Of Eccentric Drawbar Force On Power Delivery Efficiency Of A Wheeled Tractor, Mirko Simikic, Nebojsa Dedovic, Lazar Savin, Milan Tomic, Hasan Hüseyi̇n Si̇lleli̇, Ondrej Ponjican
Turkish Journal of Agriculture and Forestry
Power delivery efficiency shows how much engine power is used for a tractor drawbar. Eccentric traction is a factor influencing the power delivery efficiency of a wheeled tractor. It occurs as a consequence of the offset position of a tractor implement, that is, when the traction line of the tractor and resistance line of the implement are parallel and do not coincide. This paper presents research on the power delivery efficiency of wheeled tractors and its dependence on wheel slippage of central and eccentric drawbar forces on unplowed and plowed stubble. For this purpose, mathematical models and one algorithm were …
Winter Wheat Yield And Yield Components As Affected By Soil Tillage Systems, Irena Jug, Danijel Jug, Mirjana Sabo, Bojan Stipesevic, Miro Stosic
Winter Wheat Yield And Yield Components As Affected By Soil Tillage Systems, Irena Jug, Danijel Jug, Mirjana Sabo, Bojan Stipesevic, Miro Stosic
Turkish Journal of Agriculture and Forestry
Eight different soil tillage systems (TS) for winter wheat after soybean crop production were compared at the chernozem soil type in Croatian Baranya region in a 4-year period (2001/2002, 2002/2003, 2003/2004, 2004/2005). Tillage systems were: CT) conventional tillage, based on autumn mouldboard ploughing; DH) autumn disc harrowing; CH) autumn disc harrowing + chiselling; NT) No-tillage; CSDW) DH for winter wheat, alternated with CT for previous crop soybean; CWDS) CT for wheat, DH for soybean; CsNw) NT for wheat, CT for soybean; and CwNs) CT for wheat, NT for soybean. The dry conditions experienced in 2002/2003 decreased at half winter wheat …
Seasonal Changes In The Physiological Characteristics Of Anatolian Black Pine And The Effect On Seedling Quality, Ayşe Deli̇göz
Seasonal Changes In The Physiological Characteristics Of Anatolian Black Pine And The Effect On Seedling Quality, Ayşe Deli̇göz
Turkish Journal of Agriculture and Forestry
Seasonal changes in water relations parameters, dry weight fraction (DWF), and root growth potential (RGP) were examined for Anatolian black pine [Pinus nigra Arn. subsp. pallasiana (Lamb.) Holmboe] seedlings. In addition, phenological conditions were monitored. Water relations parameters were estimated using the pressure-volume technique, including osmotic potential at full turgor (\psi_{\pi100}), osmotic potential at turgor loss point (\psi_{\piTLP}), free water content at turgor loss point (FWC_{TLP}), relative water content at turgor loss point (RWC_{TLP}), and symplastic water/dry weight (Vo/DW). \psi_{\piTLP}, \psi_{\pi100}, DWF, and RGP showed seasonal changes, but FWC_{TLP}, RWC_{TLP}, and Vo/DW did not show a clear seasonal change. The …
Methyl Bromide Alternatives For Presowing Fumigation In Tobacco Seedling Production, Özhan Boz, Ayhan Yildiz, Kemal Benli̇oğlu, Hati̇ce Seher Benli̇oğlu
Methyl Bromide Alternatives For Presowing Fumigation In Tobacco Seedling Production, Özhan Boz, Ayhan Yildiz, Kemal Benli̇oğlu, Hati̇ce Seher Benli̇oğlu
Turkish Journal of Agriculture and Forestry
This study aimed to evaluate the effects of soil fumigant alternatives to methyl bromide (MeBr) on the weeds, damping-off, and seedling growth of tobacco. Methyl bromide (90 g m^{-2}), dazomet (D) (50 g m^{-2}), and metam sodium (MS) (100 mL m^{-2}) were evaluated in 2 locations in the Karacasu district of Aydın province, Turkey, February-April 2005. In addition, half doses of D and MS were investigated in 2006. MeBr treatment had 52.5% control against the postemergence damping-off caused by Pythium spp., while alternative treatments had no effect on the disease in 2005. In 2006, MeBr and MS (100 mL m^{-2}) …
Micropropagation Of The Apricot (Prunus Armeniaca L.) Cv. Hacıhaliloğlu By Means Of Single Node Culture, Hakan Yildirim, Ahmet Onay, Engi̇n Ti̇lkat, Zafer Aktürk
Micropropagation Of The Apricot (Prunus Armeniaca L.) Cv. Hacıhaliloğlu By Means Of Single Node Culture, Hakan Yildirim, Ahmet Onay, Engi̇n Ti̇lkat, Zafer Aktürk
Turkish Journal of Agriculture and Forestry
Hacıhaliloğlu is one of the most widely cultivated apricot (Prunus armeniaca L.) cultivars in Turkey. It produces fruit of excellent quality and is consumed both fresh and dried. In this study several factors affecting in vitro culture, rapid proliferation, rooting, and acclimatization of the apricot cultivar Hacıhaliloğlu were examined. During this study significant differences in harvesting dates were observed, with the month of May being noted as the best time to examine the in vitro culture of Hacıhaliloğlu. The effects of the cytokinin 6-benzylaminopurine (BA), kinetin (Kin), and thidiazuron (TDZ) were evaluated individually, and different concentrations of BA were also …
The Use Of Artificial Neural Networks For Forecasting The Monthly Mean Soil Temperatures In Adana, Turkey, Mehmet Bi̇lgi̇li̇
The Use Of Artificial Neural Networks For Forecasting The Monthly Mean Soil Temperatures In Adana, Turkey, Mehmet Bi̇lgi̇li̇
Turkish Journal of Agriculture and Forestry
The objective of this paper was to develop an artificial neural network (ANN) model in order to predict monthly mean soil temperature for the present month by using various previous monthly mean meteorological variables. For this purpose, the measured soil temperature and other meteorological data between the years of 2000 and 2007 at Adana meteorological station were used. The soil temperatures were measured at depths of 5, 10, 20, 50, and 100 cm below the ground level by the Turkish State Meteorological Service (TSMS). A 3-layer feed-forward artificial neural network structure was constructed and a back-propagation algorithm was used for …
Soil Texture Fractions And Fractal Dimension Of Particle Size Distribution As Predictors Of Interrill Erodibility, Mohammad Reza Neyshabouri, Abbas Ahmadi, Hassan Rouhipour, Hossein Asadi, Mehdi Irannajad
Soil Texture Fractions And Fractal Dimension Of Particle Size Distribution As Predictors Of Interrill Erodibility, Mohammad Reza Neyshabouri, Abbas Ahmadi, Hassan Rouhipour, Hossein Asadi, Mehdi Irannajad
Turkish Journal of Agriculture and Forestry
Choosing a particular textural fraction as an erodibility predictor is often confusing because various fractions of soil particles have been introduced as erodibility index by many researchers. Recently, advances in fractal theory have introduced a scaling parameter for characterizing soil fragments. The objectives of this study were (i) to test the applicability of fractal dimension of particle size distribution (PSD) for estimation of interrill erodibility and (ii) to study the relationship between interrill erodibility and soil texture components. Samples from 36 soil series with contrasting characters were collected from northwest Iran. The sand fractions were obtained by sieving, while silt …
Determination Of Protein And Gluten Quality-Related Parameters Of Wheat Flour Using Near-Infrared Reflectance Spectroscopy (Nirs), Mehmet Başlar, Mustafa Fati̇h Ertugay
Determination Of Protein And Gluten Quality-Related Parameters Of Wheat Flour Using Near-Infrared Reflectance Spectroscopy (Nirs), Mehmet Başlar, Mustafa Fati̇h Ertugay
Turkish Journal of Agriculture and Forestry
Wet chemistry analyses done for quality control purposes in wheat and flour processing are time-consuming. Near-infrared spectroscopy (NIRS) as an alternative technology to conventional methods allows us to obtain results in a few seconds. In this study, NIRS was used in the development of calibration models for protein, wet and dry gluten contents and Zeleny sedimentation of flours from the grinding of 120 varieties of bread wheat collected from different regions of Turkey. Therefore, spectra in the range of 1100 to 2500 nm of the flours were acquired by scanning with the NIRSystems 6500 monochromator. Multiple linear regression (MLR) and …
Clonal Propagation And Cryogenic Storage Of Virus-Free Grapevine (Vitis Vinifera L.) Via Meristem Culture, Mohamad Shatnawi, Ghandi Anfoka, Rida Shibli, Mohammed Al-Mazra'awi, Wesam Shahrour, Areej Arebiat
Clonal Propagation And Cryogenic Storage Of Virus-Free Grapevine (Vitis Vinifera L.) Via Meristem Culture, Mohamad Shatnawi, Ghandi Anfoka, Rida Shibli, Mohammed Al-Mazra'awi, Wesam Shahrour, Areej Arebiat
Turkish Journal of Agriculture and Forestry
A protocol for production of virus-free Vitis vinifera using meristem culture was developed. Meristems (0.1-0.2 mm) of V. vinifera infected with grapevine fanleaf virus and grape leafroll associated viruses were excised from 1-year-old growing vines. Shoot tips were cultured on half-strength Murashige and Skoog (MS) medium, supplemented with 0.02 mg L^{-1} of benzylaminopurine (BAP) and 0.01 mg L^{-1} of naphthalene acetic acid (NAA). BAP and kinetin resulted in differences in the number of new shoots per explant, shoot height, and number of new leaves per explant. BAP at 0.8 mg L^{-1} gave the highest in vitro multiplication rate, with 5.25 …
Total Carbon Stocks And Carbon Accumulation In Living Tree Biomass In Forest Ecosystems Of Turkey, Doğanay Tolunay
Total Carbon Stocks And Carbon Accumulation In Living Tree Biomass In Forest Ecosystems Of Turkey, Doğanay Tolunay
Turkish Journal of Agriculture and Forestry
In this study, the carbon stocks of forests of Turkey were examined by taking the national forest inventory completed in 2004 as a basis. Furthermore, the annual accumulations of carbon in the above- and below-ground biomass of Turkey were also investigated according to the gain-loss methods of "Agriculture, Forestry and Other Land Use" (AFOLU), published in 2006. The results of estimates showed that the total stock in all carbon pools (above- and below-ground, dead wood, litter, and soil) in the forests of Turkey was 2251.26 Tg C in 2004. Of that total carbon stock, 74.78% was in soil, 21.32% in …
Rooting Behaviour, Polyphenol Oxidase Activity, And Biochemical Changes In Grape Rootstocks At Different Growth Stages, Ramhari G. Somkuwar, Devanand D. Bondage, Manisha S. Surange, Sahadeo D. Ramteke
Rooting Behaviour, Polyphenol Oxidase Activity, And Biochemical Changes In Grape Rootstocks At Different Growth Stages, Ramhari G. Somkuwar, Devanand D. Bondage, Manisha S. Surange, Sahadeo D. Ramteke
Turkish Journal of Agriculture and Forestry
Four grape rootstocks belonging to different Vitis species were planted in September. Rooting behaviour, polyphenol oxidase (PPO; EC 1.14.18.1) activity and biochemical parameters were studied at different growth stages after planting the cuttings in polythene bags. Significant differences were recorded for rooting success among the different rootstocks, with the maximum sprouting percentage determined in the Freedom rootstock. The highest variation in PPO activity was also recorded in Freedom. High PPO activity was recorded in rootstock 140 Ru, while the highest root length was recorded in Dog Ridge. In the rootstock 110 R, the PPO activity was the lowest during the …
Stem Reserve Accumulation And Mobilization In Wheat (Triticum Aestivum L.) As Affected By Sowing Date And N – P – K Levels Under Mediterranean Conditions, Amir Aynehband, Maryam Valipoor, Esfandiar Fateh
Stem Reserve Accumulation And Mobilization In Wheat (Triticum Aestivum L.) As Affected By Sowing Date And N – P – K Levels Under Mediterranean Conditions, Amir Aynehband, Maryam Valipoor, Esfandiar Fateh
Turkish Journal of Agriculture and Forestry
Some parts of the dry matter accumulated in the wheat stem during the vegetative period are translocated to grain during the grain-filling period. This study assesses the changes in dry matter accumulation in wheat, and the translocation of different internodes of the main stem as affected by some cultural practices. Field experiments, including 3 sowing dates (early, conventional, and late), and 4 N - P - K levels, F_1 - (0 - 0 - 0), F_2 - (110 - 90 - 80), F_3 - (70 - 50 - 40) and F_4 - (150 - 130 - 120), were conducted at …
Production Of Cellulase By Pleurotus Ostreatus And Pleurotus Sajor-Caju In Solid State Fermentation Of Lignocellulosic Biomass, Md Ibrahim Khalil, Mia Mahmudul Hoque, Mafroz Ahmed Basunia, Nadia Alam, Md Asaduzzaman Khan
Production Of Cellulase By Pleurotus Ostreatus And Pleurotus Sajor-Caju In Solid State Fermentation Of Lignocellulosic Biomass, Md Ibrahim Khalil, Mia Mahmudul Hoque, Mafroz Ahmed Basunia, Nadia Alam, Md Asaduzzaman Khan
Turkish Journal of Agriculture and Forestry
Bioconversion of cellulosic components into fermentable sugars has currently been accomplished with the help of the microbial enzyme, cellulase. In this study, Pleurotus ostreatus (Jacquin ex Fr.) Kummer and Pleurotus sajor-caju (Fr.) Singer were tested for cellulase production by solid state fermentation (SSF) using saw dust, sugarcane bagasse, and paddy straw as substrate. To enhance production, the substrates were pretreated with 1% and 4% NaOH solutions. Supernatants of extracted enzyme solutions were used to estimate reducing sugar and soluble protein, as well as enzyme activities. Maximum production of reducing sugar and soluble protein were recorded in 12 and 10 day …
Stability Properties Of Certain Durum Wheat Genotypes For Major Quality Characteristics, Mehmet Ali̇ Saki̇n, Oral Düzdemi̇r, Abdulvahi̇t Sayaslan, Ferhat Yüksel
Stability Properties Of Certain Durum Wheat Genotypes For Major Quality Characteristics, Mehmet Ali̇ Saki̇n, Oral Düzdemi̇r, Abdulvahi̇t Sayaslan, Ferhat Yüksel
Turkish Journal of Agriculture and Forestry
Many ecological regions of Turkey are suitable for the production of durum wheat, and therefore the yield and quality of this wheat should be improved. In this study, stability properties associated with the pasta quality of 25 durum wheat (Triticum durum Desf.) genotypes grown in 3 different locations (Tokat-Kazova, Diyarbakır, and Sivas-Ulaş) for 2 years (2005-2006, 2006-2007) were investigated. Durum wheat genotypes were composed of 12 registered varieties and 13 advanced experimental lines. Field trials were conducted in a randomized complete block design with 3 replications. Protein content, gluten index, sedimentation and specific sedimentation volumes, yellow pigment content, and lipoxygenase …
Field Appraisal Of Seed Priming To Improve The Growth, Yield, And Quality Of Direct Seeded Rice, Hafeez Ur Rehman, Shahzad Maqsood Ahmed Basra, Muhammad Farooq
Field Appraisal Of Seed Priming To Improve The Growth, Yield, And Quality Of Direct Seeded Rice, Hafeez Ur Rehman, Shahzad Maqsood Ahmed Basra, Muhammad Farooq
Turkish Journal of Agriculture and Forestry
Poor crop stand and high weed infestation are the major constraints of direct seeded rice. Seed priming has the potential to improve the seedling emergence and crop stand. This study was conducted to evaluate the on-farm assessment of direct seeded rice by employing different priming techniques such as on-farm priming, hydropriming, hardening, and osmohardening with CaCl_2 and KCl. Untreated seeds were taken as control. Among all the seed priming techniques, osmohardening with CaCl_2 improved the stand establishment, allometric response, agronomic traits, yield, and quality of harvested paddy compared with other priming techniques, and non-primed control in direct seeded culture. Improved …
Some Characteristics Of The Stagnation Stage In The Development Of Silver Fir (Abies Alba Mill.) Trees In Selection Forests In Serbia, Damjan Pantic, Stanisa Bankovic, Milan Medarevic, Snezana Obradovic
Some Characteristics Of The Stagnation Stage In The Development Of Silver Fir (Abies Alba Mill.) Trees In Selection Forests In Serbia, Damjan Pantic, Stanisa Bankovic, Milan Medarevic, Snezana Obradovic
Turkish Journal of Agriculture and Forestry
A period of stagnation in silver fir development has been recorded in all felled trees in selection forests of Serbia (233 trees on Mt. Goc and 451 trees on Mt. Tara). In the selection forests on Mt. Goc, the stagnation stage ranges between 40 and 330 years, but on Mt. Tara, it ranges from 15 to 185 years. It was concluded that the duration was caused not by the ecological and productivity potential (site class) of the soil for fir development, but primarily by the growth space, resulting from the application of single-tree selection or group selection systems. It was …