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Articles 841 - 870 of 2171
Full-Text Articles in Life Sciences
Modification Of Centromere Structure: A Promising Approach For Haploid Line Production In Plant Breeding, Ahmet Lati̇f Tek, Robert M. Stupar, Kiyotaka Nagaki
Modification Of Centromere Structure: A Promising Approach For Haploid Line Production In Plant Breeding, Ahmet Lati̇f Tek, Robert M. Stupar, Kiyotaka Nagaki
Turkish Journal of Agriculture and Forestry
Breeding based on doubled-haploid approaches has recently become a common tool for accelerating crop improvement in many plant species. However, many plant species do not have a reliable method for haploid induction. A promising new approach involving centromere engineering has recently been proposed to overcome this limitation. Here we provide a perspective of this novel method for the production of haploid plants, which was originally described in the model plant species Arabidopsis thaliana. Centromeres, known to be critical for the accurate distribution of chromosomes in every cell division, have now become a novel target for crop improvement by enabling doubled-haploid …
Investigation Of Root-Knot Nematode (Meloidogyne Spp.) Resistance In Almond Rootstocks With Dna Markers, Sultan Bay Türkoğlu, Nergi̇z Çoban, Ali̇ Özkan, Hali̇t Seyfetti̇n Atli, Canan Can
Investigation Of Root-Knot Nematode (Meloidogyne Spp.) Resistance In Almond Rootstocks With Dna Markers, Sultan Bay Türkoğlu, Nergi̇z Çoban, Ali̇ Özkan, Hali̇t Seyfetti̇n Atli, Canan Can
Turkish Journal of Agriculture and Forestry
Seven almond varieties, Ferragnes, Nemaguard, AB3 (Amygdalus orientalis Mill.), GN22, GF677, Myrobalan(Prunus cerasifera),and Pissardi nigra, and F1 crossbreed almonds, Ferragnes × Pissardi nigra, Ferragnes × Myrobalan, Ferragnes × GN22, Nemaguard × GF677, Myrobalan × AB3 (Prunus dulcis Mill.), Myrobalan × Ferragnes, Pissardi nigra × AB3, and GF677 × Myrobalan, were used to determine resistance against root-knot nematode (RKN) (Meloidogyne spp.) using DNA markers. Parental lines and 316 F1 plants were tested with SSR (plgms8, plgms9, and plgms19) and STS (STS-OPS14a, STS-834b) markers. It was found that plgms19 exhibited 76%, 77.01%, 73.13%, and 86.6% inheritance of resistance in the Ferragnes × …
Induction Of Haploid Plants In Iris (Iris Pseudacorus) By Pollen Irradiation, Mohammad Sadat Hosseini Grouh, Naeimeh Sousaraei, Mohammad Akbari, Vahid Rahimi, Hamidreza Bayat
Induction Of Haploid Plants In Iris (Iris Pseudacorus) By Pollen Irradiation, Mohammad Sadat Hosseini Grouh, Naeimeh Sousaraei, Mohammad Akbari, Vahid Rahimi, Hamidreza Bayat
Turkish Journal of Agriculture and Forestry
This is the first report of successful regeneration of haploid lines in iris (Iris pseudacorus) developed by in situ parthenogenesis followed by embryo rescue. Native genotypes of I. pseudacorus (2n = 38) were prepared as female parents and I. spuria was set as the males. Anthers collected from the pollen donor were irradiated by X-ray with doses of 0, 100, 200, 300, and 400 Gy in 2012. A second round of experiments was conducted in 2013 with 300 and 400 Gy. The ovaries from each pollinated flower were collected and cultured and the produced plantlets were then acclimatized. Chromosome counting …
Sensitivity Of Soil Evaporation And Reference Evapotranspirationto Climatic Variables In South Korea, Mehmet Aydin, Yeong-Sang Jung, Jae E. Yang, Su-Jung Kim, Kyung-Dae Kim
Sensitivity Of Soil Evaporation And Reference Evapotranspirationto Climatic Variables In South Korea, Mehmet Aydin, Yeong-Sang Jung, Jae E. Yang, Su-Jung Kim, Kyung-Dae Kim
Turkish Journal of Agriculture and Forestry
The quantification of evapotranspiration and soil evaporation is crucial for agricultural water management. The FAO-56 Penman-Monteith and E-DiGOR models were used to compute reference evapotranspiration (Eto) and bare soil evaporation, respectively, at 17 meteorological stations of South Korea, from 1980 to 2009. The same soil parameters were assumed for all stations in order to compare actual soil evaporation (Ea) rates jointly dominated by atmospheric evaporative demand and soil water availability, as well as the size of rainfall events. The sensitivity of Penman-Monteith type equations to the major climatic variables was determined based on 1-year dataset. The long-term mean annual precipitation …
Effect Of Strainer Type, Spray Pressure, And Orifice Size On The Discharge Coefficient Of Standard Flat-Fan Nozzles, Bahadir Sayinci
Effect Of Strainer Type, Spray Pressure, And Orifice Size On The Discharge Coefficient Of Standard Flat-Fan Nozzles, Bahadir Sayinci
Turkish Journal of Agriculture and Forestry
The aim of this study was to determine the effect of nozzle strainer type (cylindrical, ball check, slotted, and cup screen type), spray pressure, and nozzle orifice size on the discharge coefficient (Cd) of standard flat-fan nozzles of different nominal sizes (from 02 to 06) and 110° spray angle. The flow rates measured for each nozzle orifice size and strainer type combinations were determined at five different spray pressures (2.0, 3.5, 5.0, 6.5, and 8.0 bars). In the study, size, shape, and area measurements concerned with nozzle geometry were performed and the differences between nozzles of different nominal sizes were …
Transcriptome Analysis Of Banana (Musa Balbisiana) Basedon Next-Generation Sequencing Technology, Suthanthiram Backiyarani, Subbaraya Uma, Marimuthu Somasundram Saraswathi, Asoor Santhanam Saravanakumar, Arumugam Chandrasekar
Transcriptome Analysis Of Banana (Musa Balbisiana) Basedon Next-Generation Sequencing Technology, Suthanthiram Backiyarani, Subbaraya Uma, Marimuthu Somasundram Saraswathi, Asoor Santhanam Saravanakumar, Arumugam Chandrasekar
Turkish Journal of Agriculture and Forestry
Banana (Musa spp.) is an important tropical fruit with high commercial potential. Musa balbisiana (B genome) is a progenitor of one of the most cultivated banana species and exhibits unique traits, including resistance or tolerance to many biotic and abiotic stresses. RNA sequencing of the Musa B genome would provide a vast array of transcriptomic information that could lead to the development of trait-specific markers and the discovery of new genes and regulatory sequences involved in resistance mechanisms. Thus, transcriptome sequencing was performed in Musa B genome accession Attikol using the Ion Torrent platform. This led to the generation of …
Incidence Of Microbial Infections Revealed By Assessing Nodulation Infield-Collected Insects From Adana Province, Hasan Tunaz, Mehmet Kubi̇lay Er, Ali̇ Arda Işikber
Incidence Of Microbial Infections Revealed By Assessing Nodulation Infield-Collected Insects From Adana Province, Hasan Tunaz, Mehmet Kubi̇lay Er, Ali̇ Arda Işikber
Turkish Journal of Agriculture and Forestry
Results of a field study designed to assess the extent of natural microbial infections in insects collected from agrarian fields surrounding Adana, Turkey, are reported. We identified and dissected specimens to assess the numbers of nodules. Formation of darkened melanotic nodules is the predominant cellular immune reaction to microbial and parasitic infection, and once formed, the nodules are permanently attached to internal surfaces. At least some nodules were found in 99% of 1200 examined specimens that were healthy in appearance. The number of nodules ranged approximately from 1 nodule/individual to >120 nodules/individual. We inferred that insects are regularly challenged by …
Short-Term Hydrological Responses To Silvicultural Treatments Withina Stream Buffer Zone: A Case Study, Ferhat Kara, Latif Kalin, Edward Francis Loewenstein
Short-Term Hydrological Responses To Silvicultural Treatments Withina Stream Buffer Zone: A Case Study, Ferhat Kara, Latif Kalin, Edward Francis Loewenstein
Turkish Journal of Agriculture and Forestry
The thinning of stream buffer zones (SBZs) is gaining popularity as a silvicultural management practice in order to reduce the risk of wildfire and insect hazard, provide economic return, and improve the effectiveness of SBZs. In this study, streamflow over a 1-year period was monitored at 2 small paired watersheds (treated vs. reference). The short-term impacts of a partial cutting within a SBZ as well as the relative effects of pastoral, forested, and clearcut areas on changes in downstream hydrology were examined. Upstream pastoral areas had a higher water yield than downstream forested sections during the no-harvest (calibration) period of …
Barley Molybdenum Cofactor Sulfurase (Mcsu): Sequencing, Modeling, And Its Comparison To Other Higher Plants, Ertuğrul Fi̇li̇z, Assaf Distelfeld, Tzion Fahima, Özge Karakaş Meti̇n, Eviatar Nevo, Song Weining, Ahu Altinkut Uncuoğlu
Barley Molybdenum Cofactor Sulfurase (Mcsu): Sequencing, Modeling, And Its Comparison To Other Higher Plants, Ertuğrul Fi̇li̇z, Assaf Distelfeld, Tzion Fahima, Özge Karakaş Meti̇n, Eviatar Nevo, Song Weining, Ahu Altinkut Uncuoğlu
Turkish Journal of Agriculture and Forestry
Molybdenum cofactor sulfurases (MCSUs) are important enzymes for plant development and response to environmental queues, including processes such as nitrogen metabolism and regulation of the abscisic acid levels in plant tissues. We cloned and sequenced MCSU gene from barley and performed in silico comparison with rice, tomato, and Arabidopsis. Physico-chemical properties and subcellular predictions were found to be similar in different plant species. All MCSUs had three critical domains: aminotransferase class-V (Pfam: PF00266), MOSC N-terminal beta barrel (Pfam: PF03476), and MOSC (Pfam: PF03473). Secondary structure analysis revealed that random coils were the most abundant, followed by α-helices and extended strands. …
Response Of Bread-Wheat Seedlings To Waterlogging Stress, Murat Ti̇ryaki̇oğlu, Sema Karanlik, Mehmet Arslan
Response Of Bread-Wheat Seedlings To Waterlogging Stress, Murat Ti̇ryaki̇oğlu, Sema Karanlik, Mehmet Arslan
Turkish Journal of Agriculture and Forestry
Waterlogging is a widespread problem and one of the major yield-limiting factors of wheat in some parts of the coastal plains of Turkey. The object of this study was to identify waterlogging-tolerant cultivars in bread wheat. Twenty-four bread-wheat genotypes were tested under aerobic and anaerobic conditions to determine shoot dry weight gain, root dry weight gain, total dry weight gain, dry leaf weight, specific dry leaf weight, chlorophyll content, carotenoid content, transpiration and photosynthesis rates, and their tolerance indices. A complete randomized block design with three replications was conducted for both aerobic and anaerobic conditions. The current study clearly demonstrated …
Radiation, Water, And Nitrogen Use Efficiencies Of Gossypium Hirsutum L., Shakeel Ahmad, Ilyas Raza, Di̇lbaugh Muhammad, Hakoomat Ali, Sajjad Hussain, Hülya Doğan, Muhammad Ziaulhaq
Radiation, Water, And Nitrogen Use Efficiencies Of Gossypium Hirsutum L., Shakeel Ahmad, Ilyas Raza, Di̇lbaugh Muhammad, Hakoomat Ali, Sajjad Hussain, Hülya Doğan, Muhammad Ziaulhaq
Turkish Journal of Agriculture and Forestry
Resource use efficiency is a baseline for productive agriculture and proper management of different resources (water, nitrogen, light, and land), and it plays a pivotal role in the accomplishment of this goal. Three field experiments were carried out at the experimental farm area of the Central Cotton Research Institute, Multan, Pakistan, in 2009 and 2010 to investigate the effects of different resources on cotton crops. Treatments for the first experiment included 4 cultivars and 6 nitrogen levels. The second experiment comprised 3 variables, irrigation methods, cultivars, and plant spacing, whereas 2 variables, including different irrigation regimes and glycinebetaine application, were …
Clonal Propagation And Synthetic Seed Production From Nodal Segments Ofcape Gooseberry (Physalis Peruviana L.), A Tropical Fruit Plant, Bahti̇yar Buhara Yücesan, Ali̇yu Mohammed, Merve Arslan, Ekrem Gürel
Clonal Propagation And Synthetic Seed Production From Nodal Segments Ofcape Gooseberry (Physalis Peruviana L.), A Tropical Fruit Plant, Bahti̇yar Buhara Yücesan, Ali̇yu Mohammed, Merve Arslan, Ekrem Gürel
Turkish Journal of Agriculture and Forestry
Physalis peruviana L. contains polyphenols and carotenoids with antiinflammatory and antioxidant activities used against diabetes. To establish an efficient regeneration system using nodal segments excised from 4-week-old germinated seedlings, direct plant regeneration, without additional rooting stage, was achieved on LS medium containing 0.5 mg/L 6-benzylaminopurine (BAP), kinetin (KIN), thidiazuron (TDZ), or gibberellic acid (GA3), alone or in combination with 0.25 mg/L indole-3-acetic acid (IAA) or indole-3-butyric acid (IBA), after 2 weeks of incubation. The highest mean numbers of shoots and well-developed roots were obtained on LS medium containing solely 0.5 mg/L TDZ, producing 5.3 shoots and 3.3 roots per explant …
N-Acetylcysteine Increased Rice Yield, Mohd Nozulaidi, Md Sarwar Jahan, Mohd Khairi, Mohammad Moneruzzaman Khandaker, Mat Nashriyah, Yusop Mohd Khanif
N-Acetylcysteine Increased Rice Yield, Mohd Nozulaidi, Md Sarwar Jahan, Mohd Khairi, Mohammad Moneruzzaman Khandaker, Mat Nashriyah, Yusop Mohd Khanif
Turkish Journal of Agriculture and Forestry
N-acetylcysteine (NAC) biosynthesized reduced glutathione (GSH), which maintains redox homeostasis in plants under normal and stressful conditions. To justify the effects of NAC on rice production, we measured yield parameters, chlorophyll (Chl) content, minimum Chl fluorescence (Fo), maximum Chl fluorescence (Fm), quantum yield (Fv/Fm), net photosynthesis rate (Pn), photosynthetically active radiation (PAR), and relative water content (RWC). Four treatments, N1G0 (nitrogen (N) with no NAC), N1G1 (N with NAC), N0G0 (no N and no NAC), and N0G1 (no N but with NAC), were arranged in a completely randomized design with five replications. Nitrogen significantly increased yield and yield parameters of …
Effect Of Ditylenchus Dipsaci Kühn, 1857 (Tylenchida: Anguinidae) On Onionyield In Karaman Province, Turkey, Eli̇f Yavuzaslanoğlu, Abdullah Di̇ki̇ci̇, İbrahi̇m Hali̇l Elekci̇oğlu
Effect Of Ditylenchus Dipsaci Kühn, 1857 (Tylenchida: Anguinidae) On Onionyield In Karaman Province, Turkey, Eli̇f Yavuzaslanoğlu, Abdullah Di̇ki̇ci̇, İbrahi̇m Hali̇l Elekci̇oğlu
Turkish Journal of Agriculture and Forestry
This study was conducted to investigate the effect of the stem and bulb nematode Ditylenchus dipsaci Kühn (Tylenchida: Anguinidae) on yield parameters of some onion varieties in Karaman Province, Turkey. Experiments were established in a naturally infested onion field during two consecutive years (2012-2013). Nematode population development was followed at the beginning and end of the experiment. The reproduction rate was also calculated. Onion yield and the representative average diameter and length of the onion cultivar bulbs were determined. Yield parameters of six onion varieties were compared on nematicide-treated and untreated control plots in the experiments. Nematode populations significantly decreased …
Metal Uptake, Oxidative Metabolism, And Mycorrhization In Pigeonpeaand Pea Under Arsenic And Cadmium Stress, Neera Garg, Priyanka Singla, Purnima Bhandari
Metal Uptake, Oxidative Metabolism, And Mycorrhization In Pigeonpeaand Pea Under Arsenic And Cadmium Stress, Neera Garg, Priyanka Singla, Purnima Bhandari
Turkish Journal of Agriculture and Forestry
Presence of arsenic (As) and cadmium (Cd) at elevated levels in the soils is threatening agricultural productivity. Arbuscular mycorrhizae (AM) enhance plant resistance to metal(loid)s by sequestering them into roots, thus restricting their translocation into leaves. The present study evaluated differential responses of AM-colonized Cajanus cajan and Pisum sativum plants to As and Cd uptake and oxidative metabolism under As and Cd stress (0, 30, and 60 mg kg-1). Arsenic uptake was significantly higher than Cd uptake, which caused greater growth inhibitions and induced oxidative stress. Pea was more sensitive, with higher toxicity symptoms in roots than leaves. Mycorrhizae were …
Auxin-Mediated Growth Of Rice In Cadmium-Contaminated Soil, Hussna Farooq, Hafiz Naeem Asghar, Muhammad Yahya Khan, Muhammad Saleem, Zahir Ahmad Zahir
Auxin-Mediated Growth Of Rice In Cadmium-Contaminated Soil, Hussna Farooq, Hafiz Naeem Asghar, Muhammad Yahya Khan, Muhammad Saleem, Zahir Ahmad Zahir
Turkish Journal of Agriculture and Forestry
Pollution from heavy metals is a global problem that is very dangerous to the environment. Among the heavy metals, cadmium is receiving more and more attention because it is one of the most ecotoxic, making it very harmful for biological activity in soil, biodiversity, plant metabolism, and human and animal health. Phytohormones, produced by plants, control or regulate germination, growth, metabolism, or other physiological activities, and they can alleviate the toxic effects of heavy metals on plant growth. Auxin is the most abundant natural growth hormone, controlling apical dominance, tropism, elongation of shoots, and initiation of roots in plants. However, …
Utilization Of The Pomegranate Tree (Punica Granatum L.) In The Paper Industry, Sezgi̇n Koray Gülsoy, Ayben Kiliç Pekgözlü, Asli Ceren Aktaş
Utilization Of The Pomegranate Tree (Punica Granatum L.) In The Paper Industry, Sezgi̇n Koray Gülsoy, Ayben Kiliç Pekgözlü, Asli Ceren Aktaş
Turkish Journal of Agriculture and Forestry
In this study, the chemical composition, fiber morphology, pulp, and paper properties of the pomegranate tree (Punica granatum L.) were determined. Stem and branch wood were analyzed separately. Kraft and kraft- anthraquinone (AQ) methods were used for the pulping processes. Stem wood showed superiority to branch wood with longer, wider, thicker-walled fibers. The holocellulose, $\alpha$-cellulose, and lignin contents of branch and stem wood were 72.98%-73.50%, 38.37%-39.92%, and 21.04%-25.29%, respectively. In addition, the yield of kraft pulp made from stem wood was higher than that of branch wood. However, branch wood handsheets had higher strength properties and brightness than those of …
Spectral Reflectance Indices As A Rapid And Nondestructive Phenotyping Tool For Estimating Different Morphophysiological Traits Of Contrasting Spring Wheat Germplasms Under Arid Conditions, Salah El-Hendawy, Nasser Al-Suhaibani, Abd El-Azeem Salem, Shafiq Ur Rehman, Urs Schmidhalter
Spectral Reflectance Indices As A Rapid And Nondestructive Phenotyping Tool For Estimating Different Morphophysiological Traits Of Contrasting Spring Wheat Germplasms Under Arid Conditions, Salah El-Hendawy, Nasser Al-Suhaibani, Abd El-Azeem Salem, Shafiq Ur Rehman, Urs Schmidhalter
Turkish Journal of Agriculture and Forestry
The aim of this study was to investigate whether spectral reflectance indices could be used to estimate different destructive morphophysiological traits of a wide and diverse range of spring wheat germplasm in a rapid and nondestructive manner. A total of 90 spring wheat germoplasms were evaluated under water shortage by applying only three irrigations during the growing cycle of germplasm with the amount of water totaling 2550 m3 ha-1. Ten selected spectral reflectance indices were related to the green leaf number per plant, green leaf area per plant, total dry weight per plant (TDW), grain yield per hectare (GY), leaf …
Efficacy Of The Entomopathogenic Nematode Heterorhabditis Bacteriophora Using Different Application Methods In The Presence Or Absence Of A Natural Enemy, Ramalingam Karthik Raja, Canan Hazir, Ari̇fe Gümüş, Cem Asan, Mehmet Karagöz, Selçuk Hazir
Efficacy Of The Entomopathogenic Nematode Heterorhabditis Bacteriophora Using Different Application Methods In The Presence Or Absence Of A Natural Enemy, Ramalingam Karthik Raja, Canan Hazir, Ari̇fe Gümüş, Cem Asan, Mehmet Karagöz, Selçuk Hazir
Turkish Journal of Agriculture and Forestry
Various application methods for the entomopathogenic nematode Heterorhabditis bacteriophora were evaluated under laboratory and field conditions. Four different methods of applying the infective juveniles (IJs) of the nematode to soil were assessed including (1) insect cadavers (referred to as nematode-infected cadavers), (2) subsurface injection, (3) spraying, and (4) drip irrigation. In the laboratory experiment, except for the control with no nematodes, all treatments showed more than 95% insect mortality of the bait insect (Galleria mellonella) with no significant differences among treatments. The same experimental setup was conducted with the introduction of mites, Sancassania polyphyllae (Acari: Acaridae), which are natural enemies …
Variation Of Some Seed Mineral Contents In Open Pollinated Faba Bean (Vicia Faba L.) Landraces From Turkey, Faheem Shahzad Baloch, Tolga Karaköy, Ahmet Demi̇rbaş, Faruk Toklu, Hakan Özkan, Rüştü Hati̇poğlu
Variation Of Some Seed Mineral Contents In Open Pollinated Faba Bean (Vicia Faba L.) Landraces From Turkey, Faheem Shahzad Baloch, Tolga Karaköy, Ahmet Demi̇rbaş, Faruk Toklu, Hakan Özkan, Rüştü Hati̇poğlu
Turkish Journal of Agriculture and Forestry
The first step towards the biofortification of edible portions of crop species with improved nutritional value is to understand the genetic diversity available to breeders in germplasm collections. A faba bean germplasm (129 landraces and 4 cultivars) from diverse geographic regions of Turkey was assessed for micro- and macroelement contents of seeds. The results showed high diversity in open-pollinated faba bean germplasm for contents of N (27.5-93.3 g kg^{-1}), P (1.24-4.89 g kg^{-1}), K (4.5-19.3 g kg^{-1}), Fe (29.7-96.3 mg kg^{-1}), Mn (15.5-29.2 mg kg^{-1}), Cu (10.3-33.0 mg kg^{-1}), and Zn (10.4-49.3 mg kg^{-1}). Meanwhile, the ranges of mineral elements …
Influence Of Natural Zeolite On Nitrogen Dynamics In Soil, Stanislav Torma, Jozef Vilcek, Peter Adamisin, Emilia Huttmanova, Ondrej Hronec
Influence Of Natural Zeolite On Nitrogen Dynamics In Soil, Stanislav Torma, Jozef Vilcek, Peter Adamisin, Emilia Huttmanova, Ondrej Hronec
Turkish Journal of Agriculture and Forestry
Sorption of the cations NH_4^+, Al^{3+}, Fe^{2+}, Mn^{2+}, and Mg^{2+} in powdered zeolite and its mixture with soil was monitored. More than 90% of the observed cations were fixed in the zeolite in the first few minutes of the laboratory experiment, which is a very fast speed of sorption, and the ammonia cations reacted fastest. Consequently, the dynamics of the nitrate and ammoniac nitrogen in soil after application of zeolite in different amounts was monitored. A decreased ammonium content was apparent in the variants with zeolite 1 month after zeolite application in comparison with variants without zeolite owing to the …
Effects Of Different Organic Materials On Forage Yield And Quality Of Silage Maize (Zea Mays L.), Recep İrfan Nazli, Alpaslan Kuşvuran, İlker İnal, Ahmet Demi̇rbaş, Veyi̇s Tansi
Effects Of Different Organic Materials On Forage Yield And Quality Of Silage Maize (Zea Mays L.), Recep İrfan Nazli, Alpaslan Kuşvuran, İlker İnal, Ahmet Demi̇rbaş, Veyi̇s Tansi
Turkish Journal of Agriculture and Forestry
This study was conducted at the experimental area of the Field Crops Department of Çukurova University (37°01'N, 35°18'E) in the 2010 and 2011 growing seasons to determine the effects of sole or combined applications of 3 organic materials (poultry litter, cattle manure, and leonardite) with supplemental inorganic fertilizer on the forage yield and quality of silage maize. The field trial was arranged in a complete randomized block design with 3 replications. Poultry litter (PL) and cattle manure (CM) were applied based on P or N requirements (PL-P, PL-N, CM-P, and CM-N) of the crop, whereas leonardite was applied in only …
Investigating Internal Bacteria Of Spodoptera Littoralis (Boisd.) (Lepidoptera: Noctuidae) Larvae And Some Bacillus Strains As Biocontrol Agents, Fi̇li̇z Özkan Çakici, Ali̇ Sevi̇m, Zi̇hni̇ Demi̇rbağ, İsmai̇l Demi̇r
Investigating Internal Bacteria Of Spodoptera Littoralis (Boisd.) (Lepidoptera: Noctuidae) Larvae And Some Bacillus Strains As Biocontrol Agents, Fi̇li̇z Özkan Çakici, Ali̇ Sevi̇m, Zi̇hni̇ Demi̇rbağ, İsmai̇l Demi̇r
Turkish Journal of Agriculture and Forestry
Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae) is one of the most destructive pests of several vegetables and fruits worldwide. In spite of various control methods, this pest has still continued to cause significant damage. In this study, the culturable bacterial flora of S. littoralis was determined. New isolates from S. littoralis, as well as 12 different Bacillus isolates belong to 5 species that were previously isolated from different pests, were tested on S. littoralis larvae. In total, 9 bacteria were characterized based on their morphological, biochemical, physiological, and molecular characteristics. The bacterial flora of S. littoralis was determined as Flavobacterium sp. …
Quality Characteristics Of Trabzon Persimmon Dried At Several Temperatures And Pretreated By Different Methods, Si̇bel Bölek, Ersel Obuz
Quality Characteristics Of Trabzon Persimmon Dried At Several Temperatures And Pretreated By Different Methods, Si̇bel Bölek, Ersel Obuz
Turkish Journal of Agriculture and Forestry
Although Trabzon persimmon (Diospyros kaki L.) is a beneficial fruit for both human health and industrial use, it is generally used seasonally, and inadequate attention has been given to its off-season use. This study was designed to determine the best drying method for optimizing the quality of dried Trabzon persimmon (Diospyros kaki 'Fuyu'). Samples treated with sodium metabisulfite prior to drying and dried at 65 °C had the highest L* value (P < 0.05). Rehydration value and ascorbic acid content of samples dried at 50 °C were the highest. Nevertheless, these samples had lower total phenolic content than samples dried at 65 °C and 90 °C. Samples treated with sodium metabisulfite before drying had the highest appearance score; however, these samples were the least liked and had the lowest flavor score. Control samples were the most popular samples in terms of flavor (P < 0.05). During storage, control group samples had the highest increase in total mesophilic aerobic bacteria, while samples treated with sodium metabisulfite prior to drying had the lowest increase in total mesophilic aerobic bacteria, owing largely to the antimicrobial effect of sodium metabisulfite. Although sodium metabisulfite treatment gave the best physical, chemical, and microbiological results, these dried persimmons were given the lowest sensory scores.
Phenological Changes In The Chemical Content Of Wild And Greenhouse-Grown Hypericum Pruinatum: Flavonoids, Cüneyt Çirak, Jolita Radusiene, Liudas Ivanauskas, Valdas Jakstas, Necdet Çamaş
Phenological Changes In The Chemical Content Of Wild And Greenhouse-Grown Hypericum Pruinatum: Flavonoids, Cüneyt Çirak, Jolita Radusiene, Liudas Ivanauskas, Valdas Jakstas, Necdet Çamaş
Turkish Journal of Agriculture and Forestry
The present study was conducted to determine the phenological changes in the content of main flavonoids, namely amentoflavone, hyperoside, isoquercitrin, quercitrin, quercetin, avicularin, rutin, (+)-catechin, and (-)-epicatechin in different tissues of Hypericum pruinatum, a promising medicinal herb of the Turkish flora. The wild-growing and greenhouse-grown plants were harvested at vegetative, floral budding, full flowering, fresh fruiting, and mature fruiting stages and dissected into stem, leaf, and reproductive tissues, which were dried separately and subsequently assayed for flavonoid contents by high performance liquid chromatography (HPLC). Chemical contents in whole plants increased during plant phenology and were similar quantitatively for both wild …
Some Machining Properties Of 4 Wood Species Grown In Turkey, Sai̇t Dündar Sofuoğlu, Ahmet Kurtoğlu
Some Machining Properties Of 4 Wood Species Grown In Turkey, Sai̇t Dündar Sofuoğlu, Ahmet Kurtoğlu
Turkish Journal of Agriculture and Forestry
Determining wood machining properties and defining convenient usage areas for native wood species is important for evaluating surface quality. Wood machining is a performance criterion indicated after planing, shaping, turning, mortising, boring, and sanding. This study selected 2 softwood species (European black pine and cedar of Lebanon) as well as 2 hardwood species (sessile oak and black poplar), which are commonly used and grown in Turkey. Preparation of samples and machining were carried out according to the 2004 ASTM D 1666 standards for determining machining properties. Sessile oak (Quercus petraea) had an excellent performance in all machining processes. Black poplar …
Efficient In Vitro Plant Regeneration From Immature Embryos Of Endemic Iris Sari And I. Schachtii, Sati Uzun, Ali̇ İrfan İlbaş, Ari̇f İpek, Neşet Arslan, Surendra Barpete
Efficient In Vitro Plant Regeneration From Immature Embryos Of Endemic Iris Sari And I. Schachtii, Sati Uzun, Ali̇ İrfan İlbaş, Ari̇f İpek, Neşet Arslan, Surendra Barpete
Turkish Journal of Agriculture and Forestry
Plant tissue culture is an efficient technique for conserving endemic plant species. A reproducible in vitro regeneration protocol was developed for the endemic Iris sari and Iris schachtii in the present study. The highest number of shoots per explant was obtained on Murashige and Skoog (MS) medium supplemented with 0.5 mg/L thidiazuron (TDZ) plus 0.5 mg/L α-naphthaleneacetic acid (NAA) and 1 mg/L TDZ plus 0.5 mg/L NAA, whereby 96.88% and 100% shoot induction with 9.55 and 11.34 shoots per explant of Iris sari and Iris schachtii were recorded, respectively. Regenerated shoots were successfully rooted on MS medium with either 1 …
Transcriptomic Analysis Of Tomato Lines Reveals Putative Stress-Specific Biomarkers, Monther Taha Sadder, Abdullah Alsadon, Mahmoud Wahb-Allah
Transcriptomic Analysis Of Tomato Lines Reveals Putative Stress-Specific Biomarkers, Monther Taha Sadder, Abdullah Alsadon, Mahmoud Wahb-Allah
Turkish Journal of Agriculture and Forestry
Different abiotic stresses recruit dedicated signaling and regulatory genes in plants. Genome-wide stress-specific biomarkers were investigated in tomatoes. Three major abiotic stresses were compared: drought, heat, and salinity. For each stress type, 2 different tomato lines were included: susceptible and tolerant. Gene expression was examined by hybridizing to an available tomato microarray. Several stress responsive genes were upregulated in tolerant as well as in susceptible lines for each stress. Comparative analysis of gene expression in response to stress (drought, heat, or salinity) resolved a number of common biomarkers, while other groups of putative biomarkers were associated with each abiotic stress. …
Effects Of Imazamox On Soil Carbon And Nitrogen Mineralization Under Mediterranean Climate, Naci̇de Kizildağ, Hüsni̇ye Sağliker, Şahi̇n Cenkseven, Hüseyi̇n Cengi̇z Darici, Burak Koçak
Effects Of Imazamox On Soil Carbon And Nitrogen Mineralization Under Mediterranean Climate, Naci̇de Kizildağ, Hüsni̇ye Sağliker, Şahi̇n Cenkseven, Hüseyi̇n Cengi̇z Darici, Burak Koçak
Turkish Journal of Agriculture and Forestry
Imazamox is an herbicide intensively used in the peanut fields of Turkey. Carbon and nitrogen mineralizations were determined at 20 °C to evaluate the effects of the herbicide in soils humidified to 60% and 80% of field capacity (FC) over 45 days. Three doses of this herbicide [recommended dose (RD, 10 mg kg^{-1}), 2× RD, and 4× RD] were added to soils without any previous imazamox application (NI) and to peanut soils with previous applications of imazamox (I). Carbon mineralization, determined by CO2 respiration, at RD of I soil at 80% humidity was higher than that of the other herbicide …
Root Inclusion Net Method: Novel Approach To Determine Fine Root Production And Turnover In Larix Principis-Rupprechtii Mayr Plantation In North China, Xiyang Wang, Lvyi Ma, Zhongkui Jia, Liming Jia
Root Inclusion Net Method: Novel Approach To Determine Fine Root Production And Turnover In Larix Principis-Rupprechtii Mayr Plantation In North China, Xiyang Wang, Lvyi Ma, Zhongkui Jia, Liming Jia
Turkish Journal of Agriculture and Forestry
A novel root inclusion net method was designed to determine the fine root productions and turnover rates of 13-, 22-, and 38-year-old Larix principis-rupprechtii plantations in the whole growing season of 2012, and it was compared with the results of the sequential coring method and in-growth core method. All following values are reported in order for 13-, 22-, and 38-year-old L. principis-rupprechtii plantations. The mean values of fine root biomasses were 103, 261, and 356 g m^{-2}, about 76-78% of which were live fine root biomasses. The fine root productions were 86-118 g m^{-2} year^{-1}, 124-138 g m^{-2} year^{-1}, and …