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Anther Development And Cytochemistry In Asphodelus Aestivus (Asphodelaceae), Fi̇li̇z Vardar, Işil İsmai̇loğlu, Meral Ünal
Anther Development And Cytochemistry In Asphodelus Aestivus (Asphodelaceae), Fi̇li̇z Vardar, Işil İsmai̇loğlu, Meral Ünal
Turkish Journal of Botany
Asphodelus aestivus Brot. (Asphodelaceae) anthers were analysed to provide a detailed understanding of the events that lead to pollen grain development, accompanied by cytochemical observations at different ontogenic stages. An anther locule of A. aestivus was bordered by 4 different layers: the tapetum, the middle layer, the endothecium, and the epidermis. At the tetrad stage, secretory tapetal cells enlarged maximally, while they showed degeneration at the young microspore stage. During the course of the degeneration, vacuolisation and reduction in the volume were conspicuous. Cytochemical analysis revealed that tapetal cells presented an intense reaction with regard to protein, insoluble polysaccharides, and …
In Vitro Germination, Protocorm Formation, And Plantlet Development Of Orchis Coriophora (Orchidaceae), A Naturally Growing Orchid Species In Turkey, Ersan Bektaş, Mustafa Cüce, Atalay Sökmen
In Vitro Germination, Protocorm Formation, And Plantlet Development Of Orchis Coriophora (Orchidaceae), A Naturally Growing Orchid Species In Turkey, Ersan Bektaş, Mustafa Cüce, Atalay Sökmen
Turkish Journal of Botany
Some species belonging to the genus Orchis Tourn. ex L. (Orchidaceae) are of great economic importance as their tubers or corms are used to produce a hot beverage called salep. Nevertheless, these plants are not cultivated but are rather collected from nature, and due to careless collection many have already been listed as endangered plants. In order to assess the possibility of in vitro propagation, an orchid, Orchis coriophora L., was selected as a model plant, and the effects of basal media and plant growth regulators on in vitro seed germination, protocorm development, and plantlet formation were studied. Mature seeds …
Polar Nuclei Behaviour In The Mature Megagametophyte Of The Natural Tetraploid Trifolium Pratense (Fabaceae), Hati̇ce Nurhan Büyükkartal
Polar Nuclei Behaviour In The Mature Megagametophyte Of The Natural Tetraploid Trifolium Pratense (Fabaceae), Hati̇ce Nurhan Büyükkartal
Turkish Journal of Botany
The mature female gametophyte in Trifolium pratense L., a natural tetraploid plant, consists of 7 cells: the egg cell, 2 synergids, the central cell, and 3 antipodal cells. This type of mature female gametophyte is known as polygonum. The central cell occupies the largest portion of the mature female gametophyte and the polar nuclei are situated close to the egg apparatus. The cytoplasm of the central cell is rich in organelles. A large number of rough and smooth endoplasmic reticulum, mitochondria, plastids, dictyosomes, ribosomes, starch, and lipid bodies were observed. Differences were identified in this plant between the sizes of …
Physioanatomical Adaptations In Response To Salt Stress In Sporobolus Arabicus (Poaceae) From The Salt Range, Pakistan, Mansoor Hameed, Tahira Nawaz, Muhammad Ashraf, Nargis Naz, Riffat Batool, Muhammad Sajid Aqeel Ahmad, Atif Riaz
Physioanatomical Adaptations In Response To Salt Stress In Sporobolus Arabicus (Poaceae) From The Salt Range, Pakistan, Mansoor Hameed, Tahira Nawaz, Muhammad Ashraf, Nargis Naz, Riffat Batool, Muhammad Sajid Aqeel Ahmad, Atif Riaz
Turkish Journal of Botany
Sporobolus arabicus Boiss. is a perennial stoloniferous grass that prefers a saline or desert habitat. A natural population of Sporobolus arabicus growing in a salty area was compared with a normal nonsaline population. The salt-tolerant population showed better growth than its counterpart. Physioanatomical adaptations to saline environments in the salt-tolerant population were very specific. They included restricted toxic ion uptake, production of organic osmolytes, sclerification in roots, succulence in stem, and development of vesicular hairs on the leaves. These adaptations were not only for the excretion of toxic ions but also for the accumulation of inorganic ions in the parenchymatous …
Ecophysiology Of The Holoparasitic Angiosperm Cistanche Phelypaea (Orobancaceae) In A Coastal Salt Marsh, Gamal Mohammad Fahmy
Ecophysiology Of The Holoparasitic Angiosperm Cistanche Phelypaea (Orobancaceae) In A Coastal Salt Marsh, Gamal Mohammad Fahmy
Turkish Journal of Botany
Cistanche phelypaea (L.) Cout. (Orobancaceae) was found parasitising the roots of the succulent shrublets Arthrocnemum macrostachyum (Moric.) K.Koch (Chenopodiaceae) in a coastal salt marsh in Qatar. Measurements were conducted to identify soil properties, host, and noninfected plants by soil excavations to expose the haustoria of the parasite attached to the host roots. The water potential, osmotic potential, pressure potential, and chemical analyses were determined in parasite, host, and noninfected plants. Crown diameter and dry mass of the host plants were smaller than in the noninfected plants. A gradient of water potential existed between the host root and the underground tuberous …
Effects Of Drought Stress On Quantitative And Qualitative Yield And Antioxidative Activity Of Bunium Persicum, Amir Hossein Saeidnejad, Mohammad Kafi, Hamid Reza Khazaei, Mohammad Pessarakli
Effects Of Drought Stress On Quantitative And Qualitative Yield And Antioxidative Activity Of Bunium Persicum, Amir Hossein Saeidnejad, Mohammad Kafi, Hamid Reza Khazaei, Mohammad Pessarakli
Turkish Journal of Botany
Drought stress is one of the growing concerns in agriculture management around the world. Adopting tolerant plants to drought conditions could be an appropriate approach to this problem. Bunium persicum is one of the most important medicinal plants of Iran and Turkey as well as neighbouring countries and has been forced into endangered plant status due to mismanagement of its wild habitats. An experiment was conducted in order to evaluate drought tolerance of Bunium persicum and the effects of drought on its essential oil qualitative properties. Two separate plans based on randomised complete block design were performed with 4 drought …
Cadmium Detoxification In Populus × Canescens, Huiping Dai, Chanjuan Shan, Gengliang Jia, Chao Lu, Tuxi Yang, Anzhi Wei
Cadmium Detoxification In Populus × Canescens, Huiping Dai, Chanjuan Shan, Gengliang Jia, Chao Lu, Tuxi Yang, Anzhi Wei
Turkish Journal of Botany
Cadmium is one of the most toxic heavy metals and affects all viable cells, even at low concentrations. It is introduced to agricultural soils mainly by phosphate fertilisers and causes many toxic symptoms in cells. Phytochelatins (PCs) are heavy metal-binding peptides that play an important role in sequestration and detoxification of heavy metals in plants. In this study, after a 12-week cultivation, the plants were treated with 5 CdSO47 H_{2}O concentrations of 0 (control), 10, 30, 50, and 70 µM for 28 days. The effects of Cd on growth and on glutathione (GSH) and PC contents were investigated in the …
Rafflesia Sharifah-Hapsahiae (Rafflesiaceae), A New Species From Peninsular Malaysia, Jumaat Haji Adam, Rahmah Mohamed, Mohd Afiq Aizat Juhari, Nik Nadira Farhana Nik Ariff, Kiew-Lian Wan
Rafflesia Sharifah-Hapsahiae (Rafflesiaceae), A New Species From Peninsular Malaysia, Jumaat Haji Adam, Rahmah Mohamed, Mohd Afiq Aizat Juhari, Nik Nadira Farhana Nik Ariff, Kiew-Lian Wan
Turkish Journal of Botany
A new species of the genus Rafflesia, Rafflesia sharifah-hapsahiae, is described, with illustrations. A key to 2 related species of Rafflesia of Peninsular Malaysia is also provided. A discussion on its differences and similarities with Rafflesia azlanii and Rafflesia hasseltii is presented.
Ranking Of 11 Coastal Halophytes From Salt Marshes In Northwest Turkey According Their Salt Tolerance, Christian Zörb, Ali̇ Sümer, Ali̇ Sungur, Timothy J. Flowers, Hasan Özcan
Ranking Of 11 Coastal Halophytes From Salt Marshes In Northwest Turkey According Their Salt Tolerance, Christian Zörb, Ali̇ Sümer, Ali̇ Sungur, Timothy J. Flowers, Hasan Özcan
Turkish Journal of Botany
Salt-affected soils with high electrolyte contents limit the development of the majority of plants and serve as a habitat only for such species (halophytes) that can survive the conditions. To date, there is still much that is unknown about the physiological mechanisms, including ion relationships, that make plants salt-resistant. The primary aim of this study was to evaluate a method of ranking plants for their salt tolerance. A total of 11 coastal halophytes of the Kavak Delta were evaluated for their ability to cope with different soil salinities. For this, electrical conductivities of soils (of up to 135 dS m^{-1}) …
Callogenesis And Production Of Anthocyanin And Chlorophyll In Callus Cultures Of Vegetative And Floral Explants In Rosa Gallica And Rosa Hybrida (Rosaceae), Roshanak Tarrahi, Farkhondeh Rezanejad
Callogenesis And Production Of Anthocyanin And Chlorophyll In Callus Cultures Of Vegetative And Floral Explants In Rosa Gallica And Rosa Hybrida (Rosaceae), Roshanak Tarrahi, Farkhondeh Rezanejad
Turkish Journal of Botany
Callogenesis using vegetative (leaf, stem, petiole) and floral (petal, pistil, anther) explants of Rosa gallica and R. hybrida was investigated using different combinations of 2,4-dichlorophenoxyacetic acid, 6-benzylaminopurine, and gibberellic acid on modified Murashige and Skoog medium. The highest callogenesis was obtained on Murashige and Skoog medium containing ratios of 2 and 3 mg L^{-1} of 2,4-dichlorophenoxyacetic acid to 1 mg L^{-1} of 6-benzylamino purine in both species depending on type of explant. Stem explants in R. gallica initiated callus after 4 days while the other explants in R. gallica and all explants in R. hybrida showed the greatest percentage of …
Protective Role Of Foliar-Applied Nitric Oxide In Triticum Aestivum Under Saline Stress, Farhana Kausar, Muhammad Shahbaz, Muhammad Ashraf
Protective Role Of Foliar-Applied Nitric Oxide In Triticum Aestivum Under Saline Stress, Farhana Kausar, Muhammad Shahbaz, Muhammad Ashraf
Turkish Journal of Botany
A study was conducted to assess whether foliar-applied nitric oxide (NO) could alleviate the adverse effects of salt stress on wheat (Triticum aestivum L.). Four sodium nitroprusside levels (control [water spray] and 0.05, 0.10, and 0.15 mM) were sprayed as a donor of NO on the leaves of cultivar S-24 plants grown under nonsaline and saline conditions (150 mM NaCl). Data for growth and yield, chlorophyll contents, activities of antioxidants, and concentrations of mineral nutrients were recorded. Root-medium salinity adversely affected shoot and root dry weight, shoot length, and yield attributes of the wheat plants while it enhanced the activities …
Agrophysiological And Biochemical Properties Associated With Adaptation Of Medicago Sativa Populations To Water Deficit, Mohamed Farissi, Abdelaziz Bouizgaren, Mustapha Faghire, Adnane Bargaz, Cherki Ghoulam
Agrophysiological And Biochemical Properties Associated With Adaptation Of Medicago Sativa Populations To Water Deficit, Mohamed Farissi, Abdelaziz Bouizgaren, Mustapha Faghire, Adnane Bargaz, Cherki Ghoulam
Turkish Journal of Botany
The effect of water deficit on growth and some physiological and biochemical parameters related to water deficit tolerance was studied in 4 Moroccan alfalfa Medicago sativa L. populations that originated from the mountains and oases of Morocco. The experiment was conducted in greenhouse conditions. Seeds were allowed to germinate in pots filled with sand and peat at a 2:1 ratio, respectively. After 1 month of sowing, the plants were subjected to 3 water regimes: optimal irrigation (75% of field capacity, FC), moderate water deficit (50% FC), and severe water deficit (25% FC). At 45 days of stress, the plants were …
Solution Of Transient Stability-Constrained Optimal Power Flow Using Artificial Bee Colony Algorithm, Kürşat Ayan, Ulaş Kiliç
Solution Of Transient Stability-Constrained Optimal Power Flow Using Artificial Bee Colony Algorithm, Kürşat Ayan, Ulaş Kiliç
Turkish Journal of Electrical Engineering and Computer Sciences
The transient stability constraint should be taken into consideration for the solution of the optimization problems in power systems. This paper presents a solution for the transient stability-constrained optimal power flow (TSCOPF) by a novel approach based on the artificial bee colony algorithm. The formulas of TSCOPF are derived through the addition of rotor angle inequality constraints into optimal power flow relationships. In this nonlinear optimization problem, the objective function is taken into consideration as the fuel cost of the system. The proposed approach is tested on both a WSCC 3-generator, 9-bus system and a IEEE 30-bus system, and the …
Purification And Biochemical Characterization Of An Extracellular Lipase From Psychrotolerant Pseudomonas Fluorescens Ke38, Aysun Adan Gökbulut, Alper Arslanoğlu
Purification And Biochemical Characterization Of An Extracellular Lipase From Psychrotolerant Pseudomonas Fluorescens Ke38, Aysun Adan Gökbulut, Alper Arslanoğlu
Turkish Journal of Biology
An extracellular lipase producing bacterium was isolated from a soil sample, and identified as a strain of Pseudomonas fluorescens by 16S rRNA gene sequencing. It was named Pseudomonas fluorescens KE38. KE38 showed psychrotolerant properties with an optimum growth temperature of 25 °C. The lipase enzyme secreted by KE38 was purified 41.13-fold with an overall yield of 54.99%, and a specific activity of 337.3 U/mg. The molecular mass of purified lipase was estimated to be approximately 43 kDa by SDS-PAGE. Although the lipase was active at a temperature range of 1565 °C, it exhibited maximum activity at 45 °C, at pH …
Activity Of Brassica Napus And Perilla Frutescens Microsomal \Omega-3 Desaturases Expressed In Yeast (Saccharomyces Cerevisiae), Mohammed Abdelreheem, David Hildebrand
Activity Of Brassica Napus And Perilla Frutescens Microsomal \Omega-3 Desaturases Expressed In Yeast (Saccharomyces Cerevisiae), Mohammed Abdelreheem, David Hildebrand
Turkish Journal of Biology
Yeast transformations with Brassica napus and Perilla frutescens \omega-3 desaturases were carried out. Feeding experiments on exogenous 18:2 at 10 mg/L and 100 mg/L for both genes under this investigation showed the same activity levels over the 3 days of the incubation, producing almost the same amount of 18:3. To further investigate the characteristics of B. napus and P. frutescens \omega -3 desaturases, a time-course in vivo activity study was conducted. Both enzymes showed the same behavior over the time course, desaturating 18:2 into 18:3. Moreover, the use of 2 different temperatures for incubation (30 °C and 20 °C) did …
Dry Matter Accumulation And Forage Quality Characteristics Of Different Soybean Genotypes, Esvet Açikgöz, Mehmet Si̇nci̇k, Gary Wietgrefe, Mustafa Sürmen, Semi̇ha Çeçen, Tamer Yavuz, Cengi̇z Erdurmuş, Abdurrahi̇m Tanju Göksoy
Dry Matter Accumulation And Forage Quality Characteristics Of Different Soybean Genotypes, Esvet Açikgöz, Mehmet Si̇nci̇k, Gary Wietgrefe, Mustafa Sürmen, Semi̇ha Çeçen, Tamer Yavuz, Cengi̇z Erdurmuş, Abdurrahi̇m Tanju Göksoy
Turkish Journal of Agriculture and Forestry
Three different soybean [Glycine max (L.) Merr.] cultivars (A-3127, Derry, and Yemsoy) were evaluated for dry matter (DM) yield, plant components, and crop growth rate (CGR) at different row spacings and harvesting stages in 3 locations with Mediterranean-type climate in a split-split plot design with 3 replications in 2009 and 2010. In addition, crude protein (CP), crude protein yield (CPY), acid detergent fiber (ADF), neutral detergent fiber (NDF), total digestible nutrients (TDN), and relative feed value (RFV) of harvested forage soybeans were determined at the Bursa (Turkey) location. Increased row spacings significantly reduced DM yield at all locations. Combined over …
Multiple Shoot Regeneration Of Plumular Apices Of Chickpea, Muhammad Aasim, Si̇bel Day, Fereshteh Rezaei, Mortaza Hajyzadeh
Multiple Shoot Regeneration Of Plumular Apices Of Chickpea, Muhammad Aasim, Si̇bel Day, Fereshteh Rezaei, Mortaza Hajyzadeh
Turkish Journal of Agriculture and Forestry
Chickpea (Cicer arietinum L.) is an important grain legume used almost all over the world. Development of new repeatable and reliable tissue culture protocols is very important for improvement of breeding and genetic transformation studies. It is a highly recalcitrant plant and there is an urgent need to develop a regeneration protocol that can ensure easy multiple and qualitative superior shoots that could be rooted and yield fertile plants. Unconditioned plumular apices and plumular apices preconditioned with 10 mg L^{-1} benzylaminopurine (BA) for 10 days were cultured on Murashige and Skoog (MS) medium supplemented with 0.25-2.00 mg L^{-1} BA with …
Changes In Mycorrhizal Spore And Root Colonization Of Coastal Dune Vegetation Of The Seyhan Delta In The Postcultivation Phase, Özlem Aytok, Kemal Tulühan Yilmaz, İbrahi̇m Ortaş, Hali̇l Çakan
Changes In Mycorrhizal Spore And Root Colonization Of Coastal Dune Vegetation Of The Seyhan Delta In The Postcultivation Phase, Özlem Aytok, Kemal Tulühan Yilmaz, İbrahi̇m Ortaş, Hali̇l Çakan
Turkish Journal of Agriculture and Forestry
Changes in the abundance of arbuscular mycorrhizal (AM) spores and root colonization that occurred in the postcultivation phase were investigated in the coastal dunes of the Seyhan Delta, Turkey. A sampling method was used to obtain community-level information, which is essential for the evaluation of relations between plant communities and AM colonization. Eight quadrats of 10 × 10 m were selected to describe floristic composition of different plant communities. TWINSPAN was applied to identify the plant communities. In addition, DECORANA was employed to put forward a clear ordination of the communities. Soil samples were collected at depths of 0-20 cm …
Online Tomato Sorting Based On Shape, Maturity, Size, And Surface Defects Using Machine Vision, Omid Omidi Arjenaki, Parviz Ahmadi Moghaddam, Asad Moddares Motlagh
Online Tomato Sorting Based On Shape, Maturity, Size, And Surface Defects Using Machine Vision, Omid Omidi Arjenaki, Parviz Ahmadi Moghaddam, Asad Moddares Motlagh
Turkish Journal of Agriculture and Forestry
Online sorting of tomatoes according to their features is an important postharvest procedure. The purpose of this research was to develop an efficient machine vision-based experimental sorting system for tomatoes. Relevant sorting parameters included shape (oblong and circular), size (small and large), maturity (color), and defects. The variables defining shape, maturity, and size of the tomatoes were eccentricity, average of color components, and 2-D pixel area, respectively. Tomato defects include color disorders, growth cracks, sunscald, and early blight. The sorting system involved the use of a CCD camera, a microcontroller, sensors, and a computer. Images were analyzed with an algorithm …
Establishment And Optimization Of Cell Growth In Suspension Culture Of Papaver Bracteatum: A Biotechnology Approach For Thebaine Production, Reza Farjaminezhad, Nasser Zare, Rasool Asghari Zakaria, Manoochehr Farjaminezhad
Establishment And Optimization Of Cell Growth In Suspension Culture Of Papaver Bracteatum: A Biotechnology Approach For Thebaine Production, Reza Farjaminezhad, Nasser Zare, Rasool Asghari Zakaria, Manoochehr Farjaminezhad
Turkish Journal of Biology
Iranian poppy (Papaver bracteatum) is an important medicinal plant that is the main source of the opium alkaloids codeine, morphine, and thebaine. To establish an efficient protocol for cell suspension culture and growth, the effects of different plant growth regulators (2,4-D, NAA, BAP, and kinetin) on callus induction and cell suspension culture of Iranian poppy were evaluated. The maximum percentage of callus induction (86.67%) and fresh weight of callus were obtained in MS medium supplemented with 1 or 2 mg/L 2,4-D, 0.1 or 0.2 mg/L kinetin and 15 mg/L ascorbic acid. The addition of 15 mg/L ascorbic acid to the …
In Vitro Mutagenesis Of Etlingera Elatior (Jack) And Early Detection Of Mutation Using Rapd Markers, Muhamad Fahmi Yunus, Maheran Abd Aziz, Mihdzar Abdul Kadir, Siti Khalijah Daud, Azmi Abdul Rashid
In Vitro Mutagenesis Of Etlingera Elatior (Jack) And Early Detection Of Mutation Using Rapd Markers, Muhamad Fahmi Yunus, Maheran Abd Aziz, Mihdzar Abdul Kadir, Siti Khalijah Daud, Azmi Abdul Rashid
Turkish Journal of Biology
Mutation breeding techniques in combination with tissue culture and molecular marker methods provide a powerful tool for improvement of vegetatively propagated plants. The aim of this study was to develop a protocol for shoot regeneration and mutation induction of Etlingera elatior. The results of irradiation on in vitro buds of E. elatior showed LD_{50} to be 10 Gy, with the survival of explants being sharply reduced at this dosage. All 8 selected gamma irradiated regenerants were differentiated from the untreated control based on the banding patterns obtained using 9 primers, which generated 59 reproducible bands, whereby 35 (55.31%) were found …
Changes In The Forage Yield And Quality Of Legume–Grass Mixtures Throughout A Vegetation Period, Sebahatti̇n Albayrak, Mevlüt Türk
Changes In The Forage Yield And Quality Of Legume–Grass Mixtures Throughout A Vegetation Period, Sebahatti̇n Albayrak, Mevlüt Türk
Turkish Journal of Agriculture and Forestry
The aim of the present study was to determine the changes in the forage yield and quality of binary and ternary mixtures of alfalfa (Medicago sativa L.), red clover (Trifolium pratense L.), smooth bromegrass (Bromus inermis Leys.), orchardgrass (Dactylis glomerata L.), and meadow fescue (Festuca pratensis Huds.) throughout a vegetation period. Plots were established in 2008 in Isparta, Turkey, in a randomized complete block design with 3 replicates. Four cuttings were done during the 2009 and 2010 vegetative periods. The levels of crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), and relative feed value (RFV) were determined …
Chitosan Coating Improves The Shelf Life And Postharvest Quality Of Table Grape (Vitis Vinifera) Cultivar Shahroudi, Mohammad Ali Shiri, Davood Bakhshi, Mahmood Ghasemnezhad, Monad Dadi, Alexandros Papachatzis, Helen Kalorizou
Chitosan Coating Improves The Shelf Life And Postharvest Quality Of Table Grape (Vitis Vinifera) Cultivar Shahroudi, Mohammad Ali Shiri, Davood Bakhshi, Mahmood Ghasemnezhad, Monad Dadi, Alexandros Papachatzis, Helen Kalorizou
Turkish Journal of Agriculture and Forestry
Table grapes (Vitis vinifera) of the cultivar Shahroudi were coated with 0.5% or 1% chitosan and then stored at 0 °C for 60 days. Shelf-life qualitative traits including rachis and berry appearance and berry cracking, shattering, decay, browning, acceptability, and flavor were evaluated. Treated berries showed less weight loss, decay, browning, shattering, and cracking. Flavor-related factors such as total soluble solids (TSS), titratable acidity (TA), and TSS/TA ratio levels were higher in treated fruits; however, there was no significant difference between the fruits treated with 0.5% and 1% chitosan. Changes of the total phenolics, catechin, and antioxidant capacity of the …
Toxicity Of Native Bacillus Thuringiensis Isolates On The Larval Stages Of Pine Processionary Moth Thaumetopoea Wilkinsoni At Different Temperatures, Semi̇h Yilmaz, Sali̇h Karabörklü, Uğur Azi̇zoğlu, Abdurrahman Ayvaz, Mi̇kai̇l Akbulut, Musa Yildiz
Toxicity Of Native Bacillus Thuringiensis Isolates On The Larval Stages Of Pine Processionary Moth Thaumetopoea Wilkinsoni At Different Temperatures, Semi̇h Yilmaz, Sali̇h Karabörklü, Uğur Azi̇zoğlu, Abdurrahman Ayvaz, Mi̇kai̇l Akbulut, Musa Yildiz
Turkish Journal of Agriculture and Forestry
Pine processionary moth, Thaumetopoea wilkinsoni Tams, is an important defoliating lepidopteran pest of pine trees. The aim of this study was to determine the required spore-crystal concentration of local Bacillus thuringiensis (Bt) isolates, optimal ambient temperature, and larval stage to control this troublesome forest pest. The susceptibility of T. wilkinsoni larvae decreased with older stage and lower temperatures. The optimum temperature was found to be 15 °C or higher for the control of early larval stages. At the highest spore-crystal concentration (500 µg g^{-1}), the most effective isolate (SY49.1) caused 83% mortality for the second-stage larvae at 5 °C. However, …
Interactions Of Meloidogyne Incognita, Xanthomonas Campestris, And Rhizobium Sp. In The Disease Complex Of Chickpea, Zaki Anwar Siddiqui, Munavvar Fatima, Subha Alam
Interactions Of Meloidogyne Incognita, Xanthomonas Campestris, And Rhizobium Sp. In The Disease Complex Of Chickpea, Zaki Anwar Siddiqui, Munavvar Fatima, Subha Alam
Turkish Journal of Agriculture and Forestry
The effects of Meloidogyne incognita, Xanthomonas campestris, and Rhizobium sp., alone or in combination, on the disease complex in chickpea were examined. Individual inoculation with M. incognita and X. campestris caused significant reductions in plant growth, while inoculation with Rhizobium sp. resulted in a significant increase in plant growth. Inoculation with M. incognita and X. campestris together caused a greater reduction in plant growth than the damage caused by each of them alone. Application of M. incognita or X. campestris prior to Rhizobium sp. caused a greater reduction in plant growth than Rhizobium sp. applied prior to M. incognita or …
Mitigation Effects Of Glycinebetaine On Oxidative Stress And Some Key Growth Parameters Of Maize Exposed To Salt Stress, Cengi̇z Kaya, Osman Sönmez, Sali̇h Aydemi̇r, Murat Di̇ki̇li̇taş
Mitigation Effects Of Glycinebetaine On Oxidative Stress And Some Key Growth Parameters Of Maize Exposed To Salt Stress, Cengi̇z Kaya, Osman Sönmez, Sali̇h Aydemi̇r, Murat Di̇ki̇li̇taş
Turkish Journal of Agriculture and Forestry
The aim of the current study was to investigate the effects of glycinebetaine (GB) on oxidative stress and some key growth parameters in maize (Zea mays L. 'DK 647 F1') grown under saline conditions. Maize seedlings were grown in pots containing perlite. The experiment was designed in a 2 × 2 factorial arrangement with 2 levels (0 and 100 mM) of sodium chloride (NaCl) and 2 levels (25 and 50 mM) of GB sprayed onto leaves of maize seedlings. Saline stress caused a considerable decline in total dry matter, chlorophyll content, relative water content (RWC), peroxidase (POD; EC. 1.11.1.7), and …
Selection Of Potential Autochthonous Starter Cultures From Shalgam, A Traditional Turkish Lactic Acid-Fermented Beverage, Hasan Tangüler, Hüseyi̇n Erten
Selection Of Potential Autochthonous Starter Cultures From Shalgam, A Traditional Turkish Lactic Acid-Fermented Beverage, Hasan Tangüler, Hüseyi̇n Erten
Turkish Journal of Agriculture and Forestry
The present study was done to select the potential autochthonous lactic acid bacteria (LAB) for the production of shalgam, which is a traditional Turkish lactic acid-fermented beverage. Eighteen LAB belonging to the genera Lactobacillus, Lactococcus, Pediococcus, and Leuconostoc isolated previously from shalgam samples produced in the university laboratory and by small- and large-scale producers in industry were used. Pasteurized black carrot juice was inoculated individually with these selected LAB strains and fermented for 10 days. The strains of Lb. plantarum gave the highest numbers during fermentations with a range of 9.40-9.16 log cfu mL^{-1}. Lb. plantarum^{bx} produced the highest total …
Control Of Lodging And Reduction In Plant Length In Rice (Oryza Sativa L.) With The Treatment Of Trinexapac-Ethyl And Sowing Density, Rasi̇m Ünan, İsmai̇l Sezer, Mevlüt Şahi̇n, Luis A. J. Mur
Control Of Lodging And Reduction In Plant Length In Rice (Oryza Sativa L.) With The Treatment Of Trinexapac-Ethyl And Sowing Density, Rasi̇m Ünan, İsmai̇l Sezer, Mevlüt Şahi̇n, Luis A. J. Mur
Turkish Journal of Agriculture and Forestry
In this study, the effects of the plant growth regulator trinexapac-ethyl (TE) combined with different sowing densities on field-grown rice (Oryza sativa L.) plant length, lodging, and grain yield were evaluated over 2 growing seasons. Two different rice cultivars (Karadeniz and Osmancik-97), 3 different sowing densities (400, 500, and 600 seeds m^{-2}), and 4 different doses of TE (0, 100, 200, and 300 g ai ha^{-1}) were compared. The experiments were designed in a randomized block design in factorial ordering with 3 replicates. An increase in sowing density led to an increase of lodging, but it did not have a …
Effects Of Organic Manures And Non-Chemical Weed Control On Wheat. Ii. Grain Quality, Sancar Bulut, Ali̇ Öztürk, Mehmet Murat Karaoğlu, Nesri̇n Yildiz
Effects Of Organic Manures And Non-Chemical Weed Control On Wheat. Ii. Grain Quality, Sancar Bulut, Ali̇ Öztürk, Mehmet Murat Karaoğlu, Nesri̇n Yildiz
Turkish Journal of Agriculture and Forestry
Deficit plant nutrients, especially nitrogen, and weed competition are the most critical problems in organic farming. This research was carried out on research plots of the Agricultural Research and Extension Center of Atatürk University Agricultural Faculty during the cropping seasons of 2006-07, 2007-08, and 2008-09 under dry farming conditions. A factorial experimental design with 4 replications was used to set up the experimental plots. The factors were 2 wheat cultivars (Kırik and Doğu-88), 3 weed control practices (weedy control, hand weeding, dense sowing), and 7 fertilizer sources [control, standard inorganic (NP), Bio-Organic (Bio), Bio-SR Organic (Bio SR), Leonardite, Organic fertilizer …
Effects Of Winter Green Manuring On Organic Cucumber Production In Unheated Greenhouse Conditions, Yüksel Tüzel, Hale Duyar, Gölgen Bahar Özteki̇n, Özlem Kiliç, Di̇lek Anaç, Ni̇lgün Madanlar, Zeynep Yoldaş
Effects Of Winter Green Manuring On Organic Cucumber Production In Unheated Greenhouse Conditions, Yüksel Tüzel, Hale Duyar, Gölgen Bahar Özteki̇n, Özlem Kiliç, Di̇lek Anaç, Ni̇lgün Madanlar, Zeynep Yoldaş
Turkish Journal of Agriculture and Forestry
The effects of winter green manure crops on organic cucumber production were determined in unheated greenhouse conditions in order to integrate soil building and conservation practices, which are critically important in greenhouse production without crop rotation. The study was conducted between 2006 and 2008 to compare (1) pea (Pisum sativum L.), (2) Italian rye-grass (Lolium multiflorum L.), and (3) common vetch (Vicia sativa L.) as winter green manure plants. These treatments were compared with a control without green manuring (4). All of the plots were divided into halves, and poultry manure was applied as 0 (-PM) and 0.75 kg m^{-2} …