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Articles 901 - 930 of 2171
Full-Text Articles in Life Sciences
A Highly Effective Nucleopolyhedrovirus Against Malacosoma Spp. (Lepidoptera: Lasiocampidae) From Turkey: Isolation, Characterization, Phylogeny, And Virulence, İsmai̇l Demi̇r, Remzi̇ye Nalçacioğlu, Li̇da Mohammad Gholi̇zad, Zi̇hni̇ Demi̇rbağ
A Highly Effective Nucleopolyhedrovirus Against Malacosoma Spp. (Lepidoptera: Lasiocampidae) From Turkey: Isolation, Characterization, Phylogeny, And Virulence, İsmai̇l Demi̇r, Remzi̇ye Nalçacioğlu, Li̇da Mohammad Gholi̇zad, Zi̇hni̇ Demi̇rbağ
Turkish Journal of Agriculture and Forestry
A nucleopolyhedrovirus (NPV) was isolated from diseased larvae of the eastern tent caterpillar, Malacosoma americanum (Fabricius), collected from the northeastern part of Turkey. Light and electron microscopic observations showed that this virus is a multiple nucleopolyhedrovirus (MNPV). The dimensions of the polyhedral inclusion bodies varied from 1.0 to 2.1 µm, and the sizes of the virions were also measured to be approximately 194.5 nm. Restriction analysis of the new isolate and ManeNPV-T2 (previously isolated from M. neustria larvae) showed that the new virus is closely related to ManeNPV-T2. Furthermore, sequence and phylogenetic analysis of polh and lef-8 also revealed a …
Genotypic Variability For Tuber Yield, Biomass, And Drought Tolerance In Jerusalem Artichoke Germplasm, Ruttanachira Ruttanaprasert, Poramate Banterng, Sanun Jogloy, Nimitr Vorasoot, Thawan Kesmala, Rameshwar S. Kanwar, Carl Corley Holbrook, Aran Patanothai
Genotypic Variability For Tuber Yield, Biomass, And Drought Tolerance In Jerusalem Artichoke Germplasm, Ruttanachira Ruttanaprasert, Poramate Banterng, Sanun Jogloy, Nimitr Vorasoot, Thawan Kesmala, Rameshwar S. Kanwar, Carl Corley Holbrook, Aran Patanothai
Turkish Journal of Agriculture and Forestry
Jerusalem artichoke could be an alternative feedstock for bioenergy during times when there are shortages of other raw materials for the ethanol industry. However, insufficient water under rainfed conditions is a major cause of Jerusalem artichoke losses. Genetic variation for drought tolerance is an essential prerequisite for the development of Jerusalem artichoke cultivars with improved drought tolerance. The objectives of this study were to determine the effects of drought stress on tuber dry weight and biomass and to investigate the genotypic variability in Jerusalem artichoke germplasm. The line-source sprinkler technique was used to compare moisture responses of a range of …
A Response Surface Methodology Study On The Effects Of Some Phenolics And Storage Period Length On Vegetable Oil Quality: Change In Oxidation Stability Parameters, Safa Karaman, Ömer Sai̇d Toker, İsmet Öztürk, Hasan Yalçin, Ahmed Kayacier, Mahmut Doğan, Osman Sağdiç
A Response Surface Methodology Study On The Effects Of Some Phenolics And Storage Period Length On Vegetable Oil Quality: Change In Oxidation Stability Parameters, Safa Karaman, Ömer Sai̇d Toker, İsmet Öztürk, Hasan Yalçin, Ahmed Kayacier, Mahmut Doğan, Osman Sağdiç
Turkish Journal of Agriculture and Forestry
In the present study, response surface methodology was conducted for the determination of effects of some phenolics (gallic acid, ellagic acid, and quercetin) on some stability parameters of mixed oil prepared with sunflower and hazelnut oils (50:50, v/v). In this respect, peroxide value (PV), free fatty acids (FFAs), p-anisidine value, induction period, and refractive index of mixed oil were investigated. Predictive regression equations were constructed for the estimation of each studied parameter (R^2 > 0.861). The storage period caused a significant increase in the peroxide value, FFAs, p-anisidine, and refractive index values of the mixed oil, while it decreased the induction …
Genetic Analysis For Grain Filling Duration In Wheat Using Joint Segregation Analysis, Kalim Ullah, Naqib Ullah Khan, Shah Jehan Khan, Imdad Ullah Khan, Muhammad Irfaq Khan, Rehmat Ullah Khan, Samrin Gul
Genetic Analysis For Grain Filling Duration In Wheat Using Joint Segregation Analysis, Kalim Ullah, Naqib Ullah Khan, Shah Jehan Khan, Imdad Ullah Khan, Muhammad Irfaq Khan, Rehmat Ullah Khan, Samrin Gul
Turkish Journal of Agriculture and Forestry
Mixed inheritance analysis using joint segregation analysis was investigated in 6 basic populations (P_1, F_1, P_2, BC_1, BC_2, and F_2) of 4 wheat crosses, i.e. Hashim-08 × LU-26, Farid-06 × Shafaq, Parula × Blue Silver, and TD-1 × D-97603, for grain filling duration during the crop season of 2011/2012. In cross Hashim-08 × LU-26, the duration of grain filling was controlled by 1 major gene and the additive-dominance-epistasis of polygenes (model D). In cross Farid-06 × Shafaq, the duration was controlled by additive-dominance-epistasis of 2 major genes (model B-1). However, in crosses Parula × Blue Silver and TD-1 × D-97603, …
Use Of Diploid And Tetraploid Hulled Wheat Genotypes For Animal Feeding, Mahmut Kaplan, Taner Akar, Adem Kamalak, Sancar Bulut
Use Of Diploid And Tetraploid Hulled Wheat Genotypes For Animal Feeding, Mahmut Kaplan, Taner Akar, Adem Kamalak, Sancar Bulut
Turkish Journal of Agriculture and Forestry
Einkorn and emmer wheat are still cultivated in the mountainous areas of Turkey. They are resistant to biotic and abiotic stress conditions and are routinely used as food stuffs due to reasonable dietary fiber rate and vitamin and micronutrient content. Therefore, the present study was conducted to determine the feed potential of einkorn and emmer wheat populations. A total of 17 hulled wheat populations collected from different provinces of Turkey were studied during the years 2012 and 2013. Experiments were carried out in randomized complete block design with 3 replications to investigate grain yield, harvest index, chemical composition, and gas …
First Report Of Adoxophyes Orana In Northwestern Turkey: Population Fluctuation And Damage On Different Host Plants, Bi̇lgi̇ Pehlevan, Orkun Bariş Kovanci
First Report Of Adoxophyes Orana In Northwestern Turkey: Population Fluctuation And Damage On Different Host Plants, Bi̇lgi̇ Pehlevan, Orkun Bariş Kovanci
Turkish Journal of Agriculture and Forestry
This study reports the presence of the summer fruit tortrix moth, Adoxophyes orana, in pome and stone fruit orchards for the first time in northwestern Turkey. Based on growers complaints about cosmetic damage to peach and pear fruits, pheromone traps were set up in mid-April of 2009 and 2010 to monitor the occurrence of the summer fruit tortrix moth. We conducted studies in conventional apple, pear, peach, and sweet cherry orchards in Bursa, northwestern Turkey. Moths caught in pheromone traps showed a trimodal flight pattern in all orchards. However, both moth emergence time and total flight period varied among host …
Postharvest Performance Of Cut Marigold, Rose, And Sunflower Stems As Influenced By Homemade And Commercial Floral Preservatives, Iftikhar Ahmad, John Martin Dole
Postharvest Performance Of Cut Marigold, Rose, And Sunflower Stems As Influenced By Homemade And Commercial Floral Preservatives, Iftikhar Ahmad, John Martin Dole
Turkish Journal of Agriculture and Forestry
Effects of homemade or commercial floral preservatives, applied as 48-h grower treatments or continuous retailer/consumer applications, were studied on cut Double Eagle marigold, Red Bentley rose, and Sunbright sunflower. Cut stems of marigold placed in preservative solutions, irrespective of the duration, had a longer vase life than stems in tap water. Continuous use of soda (7 Up) or citric-Kathon and short-term use of citric-Al resulted in the longest extension of vase life. Cut stems of rose had the longest vase life when pulsed with citric-Kathon for 48 h or continuously placed in citric-Al until termination. For sunflower, use of citric-Kathon …
Plant Growth-Promoting Rhizobacteria Improved Growth, Nutrient, And Hormone Content Of Cabbage (Brassica Oleracea) Seedlings, Meti̇n Turan, Melek Eki̇nci̇, Ertan Yildirim, Adem Güneş, Kenan Karagöz, Recep Kotan, Ati̇lla Dursun
Plant Growth-Promoting Rhizobacteria Improved Growth, Nutrient, And Hormone Content Of Cabbage (Brassica Oleracea) Seedlings, Meti̇n Turan, Melek Eki̇nci̇, Ertan Yildirim, Adem Güneş, Kenan Karagöz, Recep Kotan, Ati̇lla Dursun
Turkish Journal of Agriculture and Forestry
A greenhouse experiment was conducted to observe the effects of Bacillus megaterium strain TV-91C, Pantoea agglomerans strain RK-92, and B. subtilis strain TV-17C inoculation on the growth, nutrient, and hormone content of cabbage seedlings. The seeds of cabbage were incubated in flasks by shaking at 80 rpm for 2 h at 28 °C to coat the seeds with the rhizobacteria. Plant growth-promoting rhizobacteria (PGPR) treatments increased fresh and dry shoot and root weight, stem diameter, seedling height, chlorophyll reading values, and leaf area of cabbage seedlings compared with the control. Among the strains, B. megaterium TV-91C gave the greatest seedling …
Genetic Relationships Of Some Citrus Genotypes Based On The Candidate Iron Chlorosis Genes, Yildiz Kaçar, Özhan Şi̇mşek, Di̇cle Dönmez, Melda Boncuk, Turgut Yeşi̇loğlu, Patrick Ollitrault
Genetic Relationships Of Some Citrus Genotypes Based On The Candidate Iron Chlorosis Genes, Yildiz Kaçar, Özhan Şi̇mşek, Di̇cle Dönmez, Melda Boncuk, Turgut Yeşi̇loğlu, Patrick Ollitrault
Turkish Journal of Agriculture and Forestry
Iron is one of the most important elements in plant mineral nutrition. Fe deficiency is a critical abiotic stress factor for Mediterranean citriculture; the development of marker-assisted selection for this trait would greatly enhance rootstock breeding. In this study, DNA sequencing and single-stranded conformation polymorphism (SSCP) analyses were performed to determine the allelic diversity of genes associated with tolerance to iron chlorosis in citrus. Two candidate iron chlorosis tolerance genes were selected from existing Citrus EST databases and Arabidopsis thaliana genome databases. Ferritin-3 chloroplast precursor and putative membrane transporter candidate gene sequences were used to define primers in conserved regions. …
Hygienic Condition Of Maize Silage (Zea Mays L.) Depending On Cutting Height And Ensiling Additive, Grazyna Szymanska, Hanna Sulewska, Marek Selwet
Hygienic Condition Of Maize Silage (Zea Mays L.) Depending On Cutting Height And Ensiling Additive, Grazyna Szymanska, Hanna Sulewska, Marek Selwet
Turkish Journal of Agriculture and Forestry
Maize silage is a high energy bulk feed, extensively used in the nutrition of dairy and meat purpose cattle due to the high yielding potential of this crop, high concentration of energy, palatability, and easy application in the total mixed ration feeding regime. A necessary precondition for the complete utilization of the nutritive value of maize is to prepare high quality silage. In North America and Europe, cattle nutrition is increasingly based on maize silage fed throughout the year, resulting in the need to store silage in silos for 14 months or even longer. Thus, it is necessary to collect …
The Effect Of Ultrastructure And Moisture Content On Mechanical Parameters Of Pine Wood (Pinus Sylvestris L.) Upon Tensile Stress Along The Grains, Edward Roszyk
Turkish Journal of Agriculture and Forestry
Selected mechanical parameters of earlywood and latewood from Pinus sylvestris subjected to tensile stress were measured as a function of moisture content. Microfibril angles (MFAs) to the longitudinal axis of the cell in the S2 layer of tangent cell walls in the same wood samples were also measured. The tensile strength and modulus of elasticity of earlywood were practically independent of its moisture content, while the same parameters of latewood significantly decreased as its moisture content increased in the hygroscopic range. For earlywood, the strain at break was greater the higher its moisture content. For latewood, no notable effect of …
Development Of Microsatellite Markers In Sesame (Sesamum Indicum L.), Jyothi Badri, Vijay Yepuri, Anuradha Ghanta, Sivaramakrishnan Siva, Ebrahimali Abubacker Siddiq
Development Of Microsatellite Markers In Sesame (Sesamum Indicum L.), Jyothi Badri, Vijay Yepuri, Anuradha Ghanta, Sivaramakrishnan Siva, Ebrahimali Abubacker Siddiq
Turkish Journal of Agriculture and Forestry
Sesame (Sesamum indicum L.) is an important oilseed crop with high-quality seed oil and many antioxidant properties. Owing to its commercial and medicinal values, there is a renewed interest among agricultural scientists in this ancient crop. Efforts to strengthen the sesame-specific marker base have been initiated in the recent past; however, the available number of microsatellite markers is still not sufficient for the development of high-resolution genetic linkage maps for important agronomic traits and there is a need to increase the number of informative DNA markers in sesame. In the present study, we developed 25 microsatellite markers by employing the …
Predicting Germination Of Medicago Sativa And Onobrychis Viciifolia Seeds By Using Image Analysis, Behnam Behtari, Martin De Luis, Adel Dabbagh Mohammadi Nasab
Predicting Germination Of Medicago Sativa And Onobrychis Viciifolia Seeds By Using Image Analysis, Behnam Behtari, Martin De Luis, Adel Dabbagh Mohammadi Nasab
Turkish Journal of Agriculture and Forestry
Image analysis is an accessible method that can convert qualitative variables to quantitative ones. Computer imaging has been used in seed biology in various ways, including seed vigor testing and seed identification. In this paper, the seeds of 2 species, Medicago sativa and Onobrychis viciifolia, were studied. Laboratory tests and a computerized experiment were conducted to evaluate the effects of accelerated aging on the seed vigor of both species. We measured the rate of germination using a factorial and completely randomized design, with 10 treatment combinations replicated 3 times. The main factors were accelerated aging (6, 12, 18, 24, and …
Association Of Digital Photo Parameters And Ndvi With Winter Wheat Grain Yield In Variable Environments, Alexey Morgounov, Nurberdi Gummadov, Savaş Belen, Yüksel Kaya, Mesut Keser, Jamala Mursalova
Association Of Digital Photo Parameters And Ndvi With Winter Wheat Grain Yield In Variable Environments, Alexey Morgounov, Nurberdi Gummadov, Savaş Belen, Yüksel Kaya, Mesut Keser, Jamala Mursalova
Turkish Journal of Agriculture and Forestry
The normalized difference vegetation index (NDVI) is gaining popularity as a complementary selection tool, even though it requires an instrument not readily available in the developing world. We evaluated several parameters (originating from the analysis of digital photos using BreedPix software) as potential selection criteria in 23 winter wheat yield trials grown over 4 years at 2 sites. NDVI and digital photos were taken at key development stages from stem elongation to maturity. The correlations between digital photo parameters a and u and grain yield, as well as correlations between NDVI and grain yield within individual trials, varied depending on …
Analysis Of Variability, Heritability, And Genetic Advance In Seed Yield And Related Traits Of Orchardgrass (Dactylis Glomerata L.) Populations, Hayati̇ Şeker, Ayşe Yazici, Pinar Uysal
Analysis Of Variability, Heritability, And Genetic Advance In Seed Yield And Related Traits Of Orchardgrass (Dactylis Glomerata L.) Populations, Hayati̇ Şeker, Ayşe Yazici, Pinar Uysal
Turkish Journal of Agriculture and Forestry
Orchardgrass (Dactylis glomerata L.) genotypes from different natural sources in the Eastern Anatolian Region of Turkey were clonally evaluated to study genetic variation and the relationships between seed yield and its components using a randomized complete block design. Results showed very significant genotypic variances among genotypes for all traits, including agronomic (seed, dry matter, and biological yields), morphological (plant height; panicle length; crown diameter; numbers of fertile, sterile, and total stems; and stem intensity), physiological (percent fertile stems, harvest and fertility indexes), and phenological (heading and anthesis dates) traits, as well as genotype × year interaction variances. Genotypic components were …
Fine Root Distribution And Belowground Interactions In An Alley Silvopasture System In Northern China, Zongrui Lai, Yuqing Zhang, Bin Wu, Tianshan Zha, Shugao Qin, Xin Jia, Jiabin Liu, Wei Feng
Fine Root Distribution And Belowground Interactions In An Alley Silvopasture System In Northern China, Zongrui Lai, Yuqing Zhang, Bin Wu, Tianshan Zha, Shugao Qin, Xin Jia, Jiabin Liu, Wei Feng
Turkish Journal of Agriculture and Forestry
Successful agroforestry management depends on the interactions between the mixed species. Belowground interactions between shrubs and native grasses are complicated and poorly understood in China's agroforestry practice, especially in the silvopasture systems of droughty northern China. The distribution of fine roots (
Siberian Elm Responses To Different Culture Conditions Under Short Rotation Forestry In Mediterranean Areas, Ignacio Pérez, Javier Pérez, Juan Carrasco, Pilar Ciria
Siberian Elm Responses To Different Culture Conditions Under Short Rotation Forestry In Mediterranean Areas, Ignacio Pérez, Javier Pérez, Juan Carrasco, Pilar Ciria
Turkish Journal of Agriculture and Forestry
This work explores the possibilities of biomass production, for energy purposes, of Siberian elm in Mediterranean areas, including marginal lands with poor soil and low water availability. To achieve this, the influence of soil type, planting density, and water availability on biomass production were analyzed after the first 3 years of the growing cycle in 2 different locations. Moreover, a method to estimate biomass production as a function of some morphological parameters of the trees, as well as the use of leaf water potential as a good indicator of trees' water status, are discussed. The analysis of parameters having an …
Effects Of Plasma Treatment And Sanding Process On Surface Roughness Of Wood Veneers, Cenk Demi̇rkir, İsmai̇l Aydin, Semra Çolak, Gürsel Çolakoğlu
Effects Of Plasma Treatment And Sanding Process On Surface Roughness Of Wood Veneers, Cenk Demi̇rkir, İsmai̇l Aydin, Semra Çolak, Gürsel Çolakoğlu
Turkish Journal of Agriculture and Forestry
An ideal veneer surface is crucial for good panel properties in plywood manufacturing. The aim of this study was to compare plasma treatments and sanding (mechanical) processes with respect to the surface roughness of veneers. Rotary-cut veneers with a thickness of 2 mm from Scots pine (Pinus sylvestris) logs were used as material. After rotary peeling, veneer sheets were dried at 110 °C in a veneer dryer. Veneer sheets were divided into 4 main groups. The surfaces of the control veneer sheets were left untreated. Two different grits of sandpaper, 80 and 180, were used for sanding the surfaces of …
Fine Root Architecture, Morphology, And Biomass Response To Cutting In A Chinese Cork Oak (Quercus Variabilis Blume) Forest, Chuang Ma, Wenhui Zhang, Jianyun Zhou, Min Wu, Yaoqin Xue, Liwei Ma
Fine Root Architecture, Morphology, And Biomass Response To Cutting In A Chinese Cork Oak (Quercus Variabilis Blume) Forest, Chuang Ma, Wenhui Zhang, Jianyun Zhou, Min Wu, Yaoqin Xue, Liwei Ma
Turkish Journal of Agriculture and Forestry
This study aims to detect the variety of fine root growth with branch orders in response to forest cutting. The branching ratio (R_b), root morphological indices, and biomass of up to 3 branch orders of fine roots were investigated from 2 soil depths (0 cm to 10 cm and 10 cm to 20 cm) in Chinese cork oak (Quercus variabilis Blume) plots 1 and 3 years after forest cutting, compared with those of intact trees as the control. The number of fine roots was lower in the managed plots than in the control, particularly in the first-order roots. After 1 …
Smart Biologics For Crop Protection In Agricultural Systems, Ömür Baysal, Mahmut Tör
Smart Biologics For Crop Protection In Agricultural Systems, Ömür Baysal, Mahmut Tör
Turkish Journal of Agriculture and Forestry
Crop losses caused by insects, pests, and pathogens remain one of the major problems in sustainable agriculture. Environmental and health concerns regarding the overuse of pesticides, and the impacts of climate change on epidemics are immediate pressing issues. In addition, the breakdown of plant resistance by pathogen populations brings limitations to the genetic control of diseases. Biologics can be effective in all types of agricultural systems including organic, sustainable, and conventional. Beneficial microorganisms including Bacillus and Trichoderma species have been employed as environmentally safe biopesticides. Molecular and proteomic studies on biopesticides have revealed the nature of antibiotics, secreted enzymes, and …
The Application For Fertilizer-Yield Relationships Of The Et-Yield Response Factor Equation, Ahmet Ertek
The Application For Fertilizer-Yield Relationships Of The Et-Yield Response Factor Equation, Ahmet Ertek
Turkish Journal of Agriculture and Forestry
Many attempts have been made to understand the plant response to water using plant growth models. The effects of fertilizer on crop yield are greater than those of water. Therefore, some models that have been developed for the evaluation of water-yield relationships can also be used for fertilizer-yield relationships. The purpose of this study was to develop an equation to use in fertilizer applications similar to one used to evaluate crop production under adequate and deficit water supply regimes. The equation can be rewritten for the fertilizer consumed by plants instead of the evapotranspiration (ET). Sample applications showed that the …
Methyl Jasmonate Treatments Influence Bioactive Compounds And Red Peel Color Development Of Braeburn Apple, Burhan Öztürk, Yakup Özkan, Kenan Yildiz
Methyl Jasmonate Treatments Influence Bioactive Compounds And Red Peel Color Development Of Braeburn Apple, Burhan Öztürk, Yakup Özkan, Kenan Yildiz
Turkish Journal of Agriculture and Forestry
The present study was carried out to determine the effects of methyl jasmonate (MeJA) treatments on the fruit peel color parameters, anthocyanin content, ethylene biosynthesis, phenolic content, and antioxidant capacity of Braeburn apples. Experimental trees were treated with 1120, 2240, or 4480 mg L-1 MeJA at 1- and 2-week intervals between the 105th and 175th days of growth after full bloom. L* and hue decreased linearly with increasing MeJA concentrations in both experimental years. While MeJA treatments did not cause significant changes in chroma, except for in the final harvest in 2010, it decreased chroma values significantly on all sampling …
Using Plant Extracts To Reduce Asexual Reproduction Of Apple Scab (Venturia Inaequalis), János Bálint, Szilveszter Nagy, Rezso Thiesz, Imre-István Nyárádi, Adalbert Balog
Using Plant Extracts To Reduce Asexual Reproduction Of Apple Scab (Venturia Inaequalis), János Bálint, Szilveszter Nagy, Rezso Thiesz, Imre-István Nyárádi, Adalbert Balog
Turkish Journal of Agriculture and Forestry
The aim our research was to develop effective methods for organic apple farming, based on the use of plant extracts to control the asexual reproduction of Venturia inaequalis. Plant extracts of artemisinin, chelidonine, thymol, and populin tested in vitro under laboratory conditions significantly slowed down the germination of V. inaequalis conidia. During a 2-year study under field conditions, the effect of 1% populin, an extract from black poplar buds, on apple scab was tested in parallel with synthetic fungicides and a no-pesticide regime on Golden Delicious and Jonathan apples. Populin significantly reduced the number of scabbed leaves and fruits on …
Oxidative Stress And Antioxidant Defense Mechanism In Mung Bean Seedlings After Lead And Cadmium Treatments, Meher Hassan, Simeen Mansoor
Oxidative Stress And Antioxidant Defense Mechanism In Mung Bean Seedlings After Lead And Cadmium Treatments, Meher Hassan, Simeen Mansoor
Turkish Journal of Agriculture and Forestry
This research was an attempt to study the effect of heavy metals lead and cadmium (0.05 mM and 0.3 mM) on growth and antioxidant enzymes of seedlings of 2 mung bean genotypes (NM 19-19 and Azri mung-2006). Results revealed that germination percentage and seedling length decreased when compared with the control for both genotypes. However, seedling length and germination percentage was better in NM 19-19 as compared to Azri mung-2006. Elevated levels of protein were observed under metal stress in both genotypes. Heavy metals induced oxidative stress in plants, causing membrane injury as observed by enhanced level of malondialdehyde (MDA) …
Extractability And Phytoavailability Of Cadmium In Cd-Rich Pedogenic Soils, Kürşad Özbek, Nesi̇me Cebel, İlhami̇ Ünver
Extractability And Phytoavailability Of Cadmium In Cd-Rich Pedogenic Soils, Kürşad Özbek, Nesi̇me Cebel, İlhami̇ Ünver
Turkish Journal of Agriculture and Forestry
Conspicuous vegetation entities of pedogenic soils rich in cadmium and their diethylene triamine pentaacetic acid (DTPA)-extractable Cd content (DCd) under the temperate continental and Mediterranean climatic conditions of western Anatolia were determined. Foliage of herbaceous plants and nearby soil samples was collected from 51 zinc mining areas. DCd content was found to reach 11.6%-16.2% of the total Cd content, indicating more extractability than in many other heavy metals. Growth chamber and nursery experiments were conducted with the seeds collected. Dactylis glomerata and Galium tenuissimum subsp. tenuissimum, both common in grazing lands, were found to be accumulating 23.5 mg Cd kg^{-1} …
Dynamic Base-Age Invariant Site Index Models Based On Generalized Algebraic Difference Approach For Mixed Scots Pine (Pinus Sylvestris L.) And Oriental Beech (Fagus Orientalis Lipsky) Stands, İlker Ercanli, Aydin Kahri̇man, Hakki Yavuz
Dynamic Base-Age Invariant Site Index Models Based On Generalized Algebraic Difference Approach For Mixed Scots Pine (Pinus Sylvestris L.) And Oriental Beech (Fagus Orientalis Lipsky) Stands, İlker Ercanli, Aydin Kahri̇man, Hakki Yavuz
Turkish Journal of Agriculture and Forestry
Data from stem analysis of 397 dominant trees (198 Scots pine and 199 Oriental beech) were used to evaluate dynamic base-age invariant site index models derived from Bertalanffy-Richards, Hossfeld, and Lundqvist-Korf functions with the generalized algebraic difference approach (GADA) for mixed Scots pine (Pinus sylvestris L.) and Oriental beech (Fagus orientalis Lipsky) stands. These functions were compared with respect to residuals of these models; specifically, the evaluation criteria were bias (E), root mean square error (RMSE), absolute mean error (AME), adjusted coefficient of determination (R^2_{adj}), and Akaike information criterion. The best results were obtained with generalized algebraic difference equations derived …
Mechanical Properties Of Heat-Treated Wooden Material Utilized In The Construction Of Outdoor Sitting Furniture, Nurgül Tankut, Ali̇ Naci̇ Tankut, Mustafa Zor
Mechanical Properties Of Heat-Treated Wooden Material Utilized In The Construction Of Outdoor Sitting Furniture, Nurgül Tankut, Ali̇ Naci̇ Tankut, Mustafa Zor
Turkish Journal of Agriculture and Forestry
The present study examined the bending moment capacity and rigidity of T-type out-of-plane furniture joints and investigated the effects of heat treatment, wood species, and joint type factors on these joints. Heat treatment method clearly decreased the modulus of rupture (MOR) and the modulus of elasticity (MOE) of selected wood species. The bending strength of wood samples was reduced after the heat treatment, decreasing with increased loss of mass. For the heat-treated T-type joints, maximum bending strength values were obtained with Iroko (Chlorophora excelsa) for both mortise and tenon (MT) joints and blind MT (BMT) joints. The lowest reduction in …
In Vitro Screening Of Octoploid Fragaria Chiloensis And Fragaria Virginiana Genotypes Against Iron Deficiency, Ayfer Alkan Torun, Yildiz Kaçar, Belgi̇n Bi̇çen, Nazi̇fe Erdem, Sedat Serçe
In Vitro Screening Of Octoploid Fragaria Chiloensis And Fragaria Virginiana Genotypes Against Iron Deficiency, Ayfer Alkan Torun, Yildiz Kaçar, Belgi̇n Bi̇çen, Nazi̇fe Erdem, Sedat Serçe
Turkish Journal of Agriculture and Forestry
Iron (Fe) deficiency is one of the common problems in strawberry (Fragaria × ananassa Duch.) growing regions. In vitro screening enables researchers to evaluate genotype performance under several concentrations of Fe in a relatively fast and economical way. Therefore, we evaluated the responses of several genotypes belonging to octoploid Fragaria chiloensis (L.) Mill. and Fragaria virginiana Mill. (the progenitors of cultivated strawberry) against Fe treatments under in vitro conditions. In the first experiment, HM 1, Pigeon Point, CFRA1267 (F. chiloensis subsp. pacifica), and CA1541 (F. chiloensis subsp. chiloensis) were tested with various Fe concentrations (0%, 10%, 15%, 25%, 50%, 65%, …
Resistance Of Winter Wheat To Heterodera Filipjevi In Turkey, Abdelfattah A. Dababat, Gül Ergi̇nbaş Orakci, Hali̇l Toktay, Mustafa İmren, Beyhan Akin, Hans-Joachim Braun, Susanne Dreisigacker, İbrahi̇m Hali̇l Elekci̇oğlu, Alexei Ivanovich Morgunov
Resistance Of Winter Wheat To Heterodera Filipjevi In Turkey, Abdelfattah A. Dababat, Gül Ergi̇nbaş Orakci, Hali̇l Toktay, Mustafa İmren, Beyhan Akin, Hans-Joachim Braun, Susanne Dreisigacker, İbrahi̇m Hali̇l Elekci̇oğlu, Alexei Ivanovich Morgunov
Turkish Journal of Agriculture and Forestry
Cereal cyst nematodes (CCNs) are plant parasites that significantly limit global cereal production. The most frequently reported pathogenic species are Heterodera avenae, H. filipjevi, and H. latipons. One of the most cost-effective, environmentally friendly, and easily adopted control measures is the use of genetic host resistance, which maintains nematode populations below the economic damage threshold level. Many effective sources of resistance to CCNs have been identified in cereals; however, their effectiveness and usefulness is dependent on the interaction of the specific putative resistant accession and the CCN pathotype found in a specific region. In this study, 719 wheat lines from …
Assessment Of Density-Dependent Feeding Damage By The Cotton Dusky Bug, Oxycarenus Laetus Kirby (Hemiptera: Lygaeidae), In Cotton, Muhammad Ahsan Khan, Muhammad Dildar Gogi, Muhammad Hamid Bashir, Mubasher Hussain, Zain-Ul Abdin, Muhammad Aamir Rashid
Assessment Of Density-Dependent Feeding Damage By The Cotton Dusky Bug, Oxycarenus Laetus Kirby (Hemiptera: Lygaeidae), In Cotton, Muhammad Ahsan Khan, Muhammad Dildar Gogi, Muhammad Hamid Bashir, Mubasher Hussain, Zain-Ul Abdin, Muhammad Aamir Rashid
Turkish Journal of Agriculture and Forestry
The dusky cotton bug, Oxycarenus laetus Kirby (Hemiptera: Lygaeidae), is a serious threat to cotton due to early cultivation of Bt cotton. These studies were carried out under laboratory and field conditions to estimate the feeding damage caused by O. laetus to seed weight, seed germination, and lint quality of cotton cultivar Bt-121 at 6 bug densities (0, 5, 10, 15, 20, and 25 adult pairs). The results revealed that seed germination and seed weight decreased, whereas percent reduction in seed germination and seed weight over control increased with increasing bug density. Bug density in the range of 5-25 pairs …