Open Access. Powered by Scholars. Published by Universities.®

Forest Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Journal

2011

Discipline
Institution
Keyword
Publication

Articles 31 - 60 of 70

Full-Text Articles in Forest Sciences

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 Jan 2011

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 The Effect Of Biodiesel Use On Power Take-Off Performance Characteristics Of An Agricultural Tractor In A Test Laboratory, Ali̇ Aybek, Emrullah Başer, Selçuk Arslan, Mustafa Üçgül Jan 2011

Determination Of The Effect Of Biodiesel Use On Power Take-Off Performance Characteristics Of An Agricultural Tractor In A Test Laboratory, Ali̇ Aybek, Emrullah Başer, Selçuk Arslan, Mustafa Üçgül

Turkish Journal of Agriculture and Forestry

Tractor performance tests conducted under laboratory test conditions are important because these tests determine the performance characteristics used to compare strengths and weaknesses of tractors. The objective of this study was to determine the effect of diesel fuel (B0) and 3 different biodiesel blends made of canola oil (B10, B20, B30) on tractor power take-off (PTO) performance characteristics. Performance characteristics studied were PTO power, engine torque, engine fuel consumption, and specific fuel consumption on an agricultural tractor (Massey Ferguson 3056 2WD) at the test laboratory of the Directorate of Agricultural Machinery Test Center (TAMTEST), Ministry of Agriculture and Rural Affairs, …


The Relationships Of Some Traits In Turkish Winter Bread Wheat Landraces, Mevlüt Akçura Jan 2011

The Relationships Of Some Traits In Turkish Winter Bread Wheat Landraces, Mevlüt Akçura

Turkish Journal of Agriculture and Forestry

In this study, 42 bread wheat pure lines obtained from 340 landraces, collected from 35 provinces of 7 regions in Turkey, and 7 modern bread wheat cultivars were evaluated under rainfed conditions in Konya, in 2005-2006 and 2006-2007 growing seasons. Experiments were conducted in a 7 × 7 lattice design in 3 replicates. Both genotype-traits (GT) biplot analysis and path analysis were used to investigate the relationships between grain yield and 12 traits. Applying both types of analyses to the multiple traits data revealed that GT biplot graphically displayed the interrelationships among traits (breeding objectives), identified traits that are positively …


Effects Of Nitrogen And Harvesting Time On Chemical Composition Of Biomass Of Sudan Grass, Fodder Sorghum, And Their Hybrid, Dorde Glamoclija, Snezana Jankovic, Sveto Rakic, Radojka Maletic, Jela Ikanovic, Zeljko Lakic Jan 2011

Effects Of Nitrogen And Harvesting Time On Chemical Composition Of Biomass Of Sudan Grass, Fodder Sorghum, And Their Hybrid, Dorde Glamoclija, Snezana Jankovic, Sveto Rakic, Radojka Maletic, Jela Ikanovic, Zeljko Lakic

Turkish Journal of Agriculture and Forestry

The subject of this study is 2-year variability research (2007 and 2008) of the chemical composition of naturally dried biomass samples of 3 different sorghum species, which are widely used in the southeast Balkans. Samples of Sudan grass Zora, fodder sorghum NS-Dzin, and their hybrid Siloking were examined based on the quantity of used nitrogen and the harvest time. Plants were grown in the experimental field of Radmilovac (property of the Faculty of Agriculture in Belgrade) in a randomized block, split-split plot design with 3 replications for 2 years. Naturally dried biomass with the highest amount of total proteins was …


The Investigation Of Antimicrobial Activity Of Thyme And Oregano Essential Oils, Bülent Çeti̇n, Songül Çakmakçi, Ramazan Çakmakçi Jan 2011

The Investigation Of Antimicrobial Activity Of Thyme And Oregano Essential Oils, Bülent Çeti̇n, Songül Çakmakçi, Ramazan Çakmakçi

Turkish Journal of Agriculture and Forestry

The aim of this study is to investigate in-vitro antimicrobial effects of the essential oils from oregano (Origanum acutidens and Origanum rotundifolium) and thyme (Thymus sipyleus subsp. sipyleus var. rosulans). The chemical composition and antimicrobial attributes of the essential oils obtained from the aerial parts of the plants, of which there were 3 Lamiaceae species, have been studied. A total of 43 microorganisms, including 26 bacteria, 14 fungi, and 3 yeasts species, have been studied by using disc-diffusion (DD) and minimal inhibition concentration (MIC) methods. Mean inhibition zones and MIC values of bacterial strains varied from 8 and 72 mm …


Evaluation Of Some Wood Quality Measures Of Eight-Year-Old Melia Azedarach Trees, Loutfy Ibrahim El-Juhany Jan 2011

Evaluation Of Some Wood Quality Measures Of Eight-Year-Old Melia Azedarach Trees, Loutfy Ibrahim El-Juhany

Turkish Journal of Agriculture and Forestry

This study investigated the wood quality of 8-year-old Melia azedarach trees grown in Saudi Arabia. The wood quality of the trees was studied in terms of fibre length, specific gravity, and heartwood/sapwood area. The sampled trees were felled, their stem height and diameter were measured, and discs were cut from the stem base and breast height of each tree. Fibre length and specific gravity at breast height were determined, as well as the area and proportion of heartwood and sapwood at both base- and breast-height cross sections. The results showed that the fibre length of Melia azedarach wood varied between …


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 Jan 2011

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 …


Quality Parameters And Total Phenolic Content In Tomato Fruits Regarding Cultivar And Microclimatic Conditions, Nina Kacjan Marsic, Lea Gasperlin, Veronika Abram, Maja Budic, Rajko Vidrih Jan 2011

Quality Parameters And Total Phenolic Content In Tomato Fruits Regarding Cultivar And Microclimatic Conditions, Nina Kacjan Marsic, Lea Gasperlin, Veronika Abram, Maja Budic, Rajko Vidrih

Turkish Journal of Agriculture and Forestry

The aim of this research was to evaluate the color, firmness, and total phenolic (TP) content in tomatoes according to cultivar and growing conditions. Cultivars with oval, elongated, round, and cherry-shaped fruits of determinate tomato were grown in Mediterranean (Dragonja Valley) and continental regions. Experiments in the continental region were conducted outdoors (Ljubljana-field) and under a low tunnel (Ljubljana-tunnel). Results indicated that the color and firmness were significantly influenced by the typology of the cultivars and by the maturity stage associated with the climatic conditions. Oval, elongated, and cherry fruits had darker and more intensely red fruit skins, with significantly …


Time-Dependent Changes In Distribution Patterns Of Soil Bulk Density And Penetration Resistance In A Rangeland Under Overgrazing, Ekrem Lütfi̇ Aksakal, Taşkin Öztaş, Müdahi̇r Özgül Jan 2011

Time-Dependent Changes In Distribution Patterns Of Soil Bulk Density And Penetration Resistance In A Rangeland Under Overgrazing, Ekrem Lütfi̇ Aksakal, Taşkin Öztaş, Müdahi̇r Özgül

Turkish Journal of Agriculture and Forestry

High soil bulk density and penetration resistance as an indication of soil compaction affect soil infiltration and runoff. Overgrazed rangelands are under severe erosion risk because of soil compaction. The objective of this study was to determine changes in soil bulk density and penetration resistance in a high altitude rangeland within a 3-month grazing period. A 5-ha rangeland (200 × 250 m) was transected with intervals of 25 × 5 m, and soil penetration resistance was measured at 459 points in the 20-cm surface soil layer on 3 different dates (15 July, 15 August, and 15 September). At each intersection …


Effect Of Mycorrhizal Inoculation On Growth, Nitrogen Fixation, And Nutrient Uptake In Cicer Arietinum (L.) Under Salt Stress, Neera Garg, Shikha Chandel Jan 2011

Effect Of Mycorrhizal Inoculation On Growth, Nitrogen Fixation, And Nutrient Uptake In Cicer Arietinum (L.) Under Salt Stress, Neera Garg, Shikha Chandel

Turkish Journal of Agriculture and Forestry

Most legumes in natural conditions form a symbiosis with arbuscular mycorrhizal (AM) fungi. AM fungi in saline soils have been reported to improve salinity tolerance and growth in plants. In the present study, interaction between mycorrhizal fungus, Glomus mosseae, and salinity stress in relation to plant growth, nitrogen fixation, and nutrient accumulation was evaluated in Cicer arietinum (L.) (chickpea). Two genotypes of chickpea (Pusa-329, salt tolerant, and Pusa-240, salt sensitive) were compared under different levels of salinity with and without mycorrhizal inoculations. Salt stress resulted in a noticeable decline in shoot and root dry matter accumulation, resulting in a decline …


Can Triticale Be Used As A Companion Crop With Red Clover?, Zeki̇ Acar, Özlem Önal Aşci, Uğur Başaran, İlknur Ayan, Hani̇fe Mut Jan 2011

Can Triticale Be Used As A Companion Crop With Red Clover?, Zeki̇ Acar, Özlem Önal Aşci, Uğur Başaran, İlknur Ayan, Hani̇fe Mut

Turkish Journal of Agriculture and Forestry

The purpose of this research, carried out under irrigated conditions, was to determine the effects of sowing rate and harvest stage of triticale, used here as a companion plant, on hay yield of red clover and weed densities. The field studies, which were conducted as 2 separate experiments, continued over the 2004-2008 period. Each experiment continued for 3 years (Experiment I was carried out between 2004 and 2007, and Experiment II was carried out between 2005 and 2008). Red clover and triticale were sown together. Triticale was seeded at 200, 300, 500, and 650 seed m^{-2}. Plots were harvested when …


Interactions Between Rural Migration And Land Use Change In The Forest Villages In The Gökçay Watershed, Ceyhun Göl, Sezgi̇n Özden, Hüseyi̇n Yilmaz Jan 2011

Interactions Between Rural Migration And Land Use Change In The Forest Villages In The Gökçay Watershed, Ceyhun Göl, Sezgi̇n Özden, Hüseyi̇n Yilmaz

Turkish Journal of Agriculture and Forestry

This study was carried out to analyze the spatial and temporal pattern of land use/land cover change (from 1955 to 2008) and migration movement (from 1935 to 2007) in the Gökçay River Watershed. To assess this period, the necessary data were obtained from forest stand maps (1955 and 2008) and evaluated by using Geographic Information Systems. Maps of the study area dated 1955 and 2008 have been analyzed, and land use type and change on the land pattern have been investigated. The data reveal that the percentage of forest area, which was 47% in 1955, rose to 50% in 2008; …


Total Carbon Stocks And Carbon Accumulation In Living Tree Biomass In Forest Ecosystems Of Turkey, Doğanay Tolunay Jan 2011

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 Jan 2011

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 …


Generative And Fruit Quality Characteristics Of Primocane Fruiting Red Raspberry Cultivars, Jasminka M. Milivojevic, Mihailo D. Nikolic, Jelena J. Dragisic Maksimovic, Dragan D. Radivojevic Jan 2011

Generative And Fruit Quality Characteristics Of Primocane Fruiting Red Raspberry Cultivars, Jasminka M. Milivojevic, Mihailo D. Nikolic, Jelena J. Dragisic Maksimovic, Dragan D. Radivojevic

Turkish Journal of Agriculture and Forestry

Eight primocane fruiting red raspberry cultivars grown at the Experimental station "Radmilovac", a collective raspberry orchard of the Faculty of Agriculture, Belgrade University, were harvested in 2008 and 2009. The cultivars evaluated were 'Autumn Bliss', 'Lyulin', 'Polana', 'Polka', 'Himbo Top', 'Ruby', 'Rossana', and 'Heritage'. All cultivars were evaluated for their standard parameters of productivity (number of fruiting laterals and fruit per primocane, both yield per primocane and per meter of hedgerow) and fruit quality (fruit weight, number of drupelets per fruit, soluble solids content, and titratable acidity), and also of nutritional value (Total Antioxidant Capacity (TAC) and Total Phenolics (TPH)). …


Effect Of Different Irrigation Water Salinities On Some Yield And Quality Components Of Two Field-Grown Cucurbit Species, Li Zong, Anna Tedeschi, Xian Xue, Tao Wang, Massimo Menenti, Cuihua Huang Jan 2011

Effect Of Different Irrigation Water Salinities On Some Yield And Quality Components Of Two Field-Grown Cucurbit Species, Li Zong, Anna Tedeschi, Xian Xue, Tao Wang, Massimo Menenti, Cuihua Huang

Turkish Journal of Agriculture and Forestry

Using irrigation water with a salinity level of 0.8, 2, and 5 g L^{-1}, the impact of saline water irrigation on the yield and quality of 2 Chinese Cucurbit species, melon (Cucumis melo cv. Huanghe) and watermelon (Citrullus lanatus. convar megulaspemus) were studied in Minqin Oasis, northwestern China. Our results show that melon yields decreased as water salinity increased, just as concentrations of glutamic acid content rose, although the concentration of most amino acids did not differ significantly. In contrast, watermelon yields decreased significantly as water salinity rose, and fruit number, fruit firmness, fruit crude protein, and essential amino acid …


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 Jan 2011

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 …


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 Jan 2011

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 Jan 2011

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 …


Effect Of Mini-Plug Container Depth On Root And Shoot Growth Of Four Forest Tree Species During Early Developmental Stages, Panagiota Kostopoulou, Kalliopi Radoglou, Olympia Dini-Papanastasi, Christina Adamidou Jan 2011

Effect Of Mini-Plug Container Depth On Root And Shoot Growth Of Four Forest Tree Species During Early Developmental Stages, Panagiota Kostopoulou, Kalliopi Radoglou, Olympia Dini-Papanastasi, Christina Adamidou

Turkish Journal of Agriculture and Forestry

The container type used in nursery culture is among the most important determinants of containerised seedling quality. The objective of the present study was to analyse root and shoot growth, root growth potential, and photochemical efficiency of seedlings of Picea abies, Robinia pseudoacacia, Pinus brutia, and Pinus nigra cultivated for 5 weeks in mini-plugs of 2 different cavity depths (37 and 60 mm). The results showed that precultivation of P. nigra and, to a lesser extent, of R. pseudoacacia in deeper mini-plug containers improved seedling morphological attributes and quality, but shallow containers produced better quality seedlings of P. abies. In …


Water Dynamics And Productivity In Dehydrated Watermelon Plants As Modified By Red Polyethylene Mulch, Peter Ferus, Silvia Ferusova, Jan Kona Jan 2011

Water Dynamics And Productivity In Dehydrated Watermelon Plants As Modified By Red Polyethylene Mulch, Peter Ferus, Silvia Ferusova, Jan Kona

Turkish Journal of Agriculture and Forestry

In order to describe changes in water regime and production parameters caused by red polyethylene (PE) mulch in dehydrated watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai) plants, as well as to define their transpiration efficiency (TE) and water use efficiency (WUE) under different temperature environments, 2 individual pot experiments (summer external experiment and autumnal greenhouse experiment) were conducted. We found that red mulch reduced leaf relative water content (RWC) fall caused by water restriction but osmotic adjustment (OA) was not responsible for this stress alleviation. A general OA was observed in the course of dehydration, possibly associated with developmental changes …


Micropropagation Of Olive Tree Olea Europaea L. 'Oueslati', Anissa Chaari Rkhis, Mohamed Maalej, Noureddine Drira, Alvaro Standardi Jan 2011

Micropropagation Of Olive Tree Olea Europaea L. 'Oueslati', Anissa Chaari Rkhis, Mohamed Maalej, Noureddine Drira, Alvaro Standardi

Turkish Journal of Agriculture and Forestry

The present study was undertaken to contribute to the continuous search for efficient in vitro protocols for the micropropagation of olive trees, with special focus on the Oueslati cultivar. It investigates the main factors involved in the micropropagation process, namely medium composition, growth regulators, rooting, and acclimatization conditions. It demonstrates that under particular conditions, the Oueslati cultivar displays a high capacity to proliferate. During the multiplication phase, the multiplication medium, which is a modification of Rugini medium with zeatin (1 and 2 mg L^{-1}), yielded the highest multiplication rates, with an average of more than 9. Furthermore, almost 91% of …


Potential Of Steinernema Feltiae (Rhabditida: Steinernematidae) As A Biological Control Agent Against The Cabbage Maggot Delia Radicum (Diptera: Anthomyiidae) In Oilseed Rape, İsmai̇l Alper Susurluk Jan 2011

Potential Of Steinernema Feltiae (Rhabditida: Steinernematidae) As A Biological Control Agent Against The Cabbage Maggot Delia Radicum (Diptera: Anthomyiidae) In Oilseed Rape, İsmai̇l Alper Susurluk

Turkish Journal of Agriculture and Forestry

Entomopathogenic nematodes (EPNs) in families Heterorhabditidae and Steinernematidae have considerable potential as biological control agents against soil-inhabiting insect pests. In the present study, the potential of Steinernema feltiae as a biological control agent against cabbage maggot (CM) Delia radicum (Diptera: Anthomyiidae), persistence of the nematode in areas infested by CM larvae, and foraging behavior of the nematode toward CM and/or oilseed rape roots were examined in the laboratory. The results of the laboratory experiment showed that more than 80% control was achieved against the last instars of D. radicum. Steinernema feltiae persisted in the soil in high numbers for 12 …


Isolation And Characterization Of Native Bacillus Thuringiensis Isolates From Syrian Soil And Testing Of Their Insecticidal Activities Against Some Insect Pests, Hassan Ammouneh, Muhand Harba, Emad Idris, Hayat Makee Jan 2011

Isolation And Characterization Of Native Bacillus Thuringiensis Isolates From Syrian Soil And Testing Of Their Insecticidal Activities Against Some Insect Pests, Hassan Ammouneh, Muhand Harba, Emad Idris, Hayat Makee

Turkish Journal of Agriculture and Forestry

Bacillus thuringiensis was detected in 12.5% of soil samples collected from different regions in Syria and 25 B. thuringiensis isolates were found to be highly toxic to larvae of Ephestia kuehniella Zeller, Phthorimaea operculella Zeller, and Cydia pomonella L. (Lepidoptera), but not to the larvae of Culex quinquefasciatus (Diptera). Light microscopy investigation showed the presence of bipyramidal and cuboidal parasporal bodies produced by these isolates. The existence of different cry genes in the tested isolates was studied using a PCR strategy with a set of general primers recognizing some of the cry genes reported in the relevant literature. Primers corresponding …


Agroecological Land Use Potential Of Amik Plain, Turkey, Şeref Kiliç Jan 2011

Agroecological Land Use Potential Of Amik Plain, Turkey, Şeref Kiliç

Turkish Journal of Agriculture and Forestry

The loss of agricultural land due to the development of other land uses has increasingly become an issue of local, regional, and national concern in Turkey. This study was aimed at evaluating land use potential and suitability of 174 land mapping units of 72,544 ha in Amik Plain (Hatay, Turkey) for 21 different land use types. For this purpose, land suitability evaluation was carried out using soil and land data and a PC-compatible ILSEN software package program developed by the SENOL land evaluation system. Our study showed that out of 39 potential groups, 26 combined land uses and land covers …


Field Evaluation Of Effective Microorganisms (Em) Application For Growth, Nodulation, And Nutrition Of Mung Bean, Arshad Javaid, Rukhsana Bajwa Jan 2011

Field Evaluation Of Effective Microorganisms (Em) Application For Growth, Nodulation, And Nutrition Of Mung Bean, Arshad Javaid, Rukhsana Bajwa

Turkish Journal of Agriculture and Forestry

Effective microorganisms (EM) is a commercial biofertilizer that contains a mixture of co-existing beneficial microorganisms collected from natural environments. Predominantly it consists of species of photosynthetic and lactic acid bacteria, yeast, and actinomycetes. The present study was conducted to evaluate the effect of EM application on growth, nodulation, yield, and nutrient uptake in mung bean [Vigna radiata (L.) Wilczek] var. NIAB Mung 98 under field conditions. Field soil was amended with farmyard manure at 20 t ha^{-1}, Trifolium alexandrinum green manure at 20 t ha^{-1}, and recommended (NPK) and half (½ NPK) doses of chemical fertilizers. EM was applied in …


Global Perspectives On First Generation Liquid Biofuel Production, Rok Fink, Saso Medved Jan 2011

Global Perspectives On First Generation Liquid Biofuel Production, Rok Fink, Saso Medved

Turkish Journal of Agriculture and Forestry

Transport today is mostly sustained by liquid fossil fuels, despite the fact that the invention of the combustion engine started with biofuels. However, known environmental impacts and the instability of the fossil-fuel market have revived the status of biofuels. Some concerns have appeared regarding how emerging global climate changes will affect biofuels' feedstock production, since agriculture is strongly dependent on climate variables. Therefore, numerical models were introduced to calculate how temperature and precipitation could affect crop production for biodiesel and bioethanol production. Furthermore, 4 scenarios projected by the Intergovernmental Panel on Climate Change were put into the calculations. The results …


Investigation Of The Reduction Of Mouldboard Ploughshare Wear Through Hot Stamping And Hardfacing Processes, Aysel Yazici Jan 2011

Investigation Of The Reduction Of Mouldboard Ploughshare Wear Through Hot Stamping And Hardfacing Processes, Aysel Yazici

Turkish Journal of Agriculture and Forestry

The effects of the hot stamping process and different hardfacing techniques, such as shielded metal arc welding (SMAW) and gas metal arc welding (GMAW), on the abrasive wear of ploughshares were investigated under field operational conditions. The abrasive wear losses were determined by measuring the weight and dimension changes before and after tillage. The wear losses of hot-stamped and hardfaced ploughshares were less significant than those of the conventionally heat-treated ploughshare specimens used under field conditions. Conventional heat treatment and hardfacing by the SMAW process decreased the wear weight losses by 46.31% and the dimensional losses by 86.77% in comparison …


Soybean Breeding: Comparison Of The Efficiency Of Different Selection Methods, Jegor Miladinovic, Joe W. Burton, Svetlana Balesevic Tubic, Dragana Miladinovic, Vuk Djordjevic, Vojin Djukic Jan 2011

Soybean Breeding: Comparison Of The Efficiency Of Different Selection Methods, Jegor Miladinovic, Joe W. Burton, Svetlana Balesevic Tubic, Dragana Miladinovic, Vuk Djordjevic, Vojin Djukic

Turkish Journal of Agriculture and Forestry

The following study was conducted in order to compare the modified single-seed descent method of selection used in soybean breeding at the Institute of Field and Vegetable Crops in Novi Sad, Serbia, with the standard bulk method and the pedigree method. The source materials for the development of hybrid populations were 15 genotypes, and a total of 10 cross combinations were made. Comparison of the lines developed by the different breeding methods was done in the F6 generation. Genetic gain from selection was taken as the main indicator of efficiency of the tested methods. The modified single-seed descent method produced …


Heritability For Some Agronomic Characters Of Rice (Oryza Sativa L.) And Their Linked Microsatellites Identification, Reza Amiri Fahliani, Mahmood Khodambashi, Sadollah Houshmand, Ahmad Arzani, Karim Sorkheh Jan 2011

Heritability For Some Agronomic Characters Of Rice (Oryza Sativa L.) And Their Linked Microsatellites Identification, Reza Amiri Fahliani, Mahmood Khodambashi, Sadollah Houshmand, Ahmad Arzani, Karim Sorkheh

Turkish Journal of Agriculture and Forestry

The objectives of this study were to estimate the narrow sense heritability of the examined characters and to find their linked simple sequence repeats (SSRs) using bulked segregant analysis (BSA) in rice (Oryza sativa L). F_{2:3} families of the cross between 'Mousa-Tarom' and '304' were used in an augmented design with 6 replications. Narrow sense heritability of panicle length and the culm number were low (0.84). The SSR primers RM16589 and RM17166 on chromosome 4 showed linkage with the gene(s) controlling culm length, plant height, leaf width, culm number, grain width, and grain shape. On chromosome 11, the SSR primer …