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2009

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Articles 4381 - 4410 of 4545

Full-Text Articles in Life Sciences

Forage Yield Stability Of Common Vetch (Vicia Sativa L.) Genotypes In The Çukurova And Gap Regions Of Turkey, Celal Yücel, Hati̇ce Hizli, Hüseyi̇n Kansur Firincioğlu, Abdullah Çi̇l, Adem Emi̇n Anlarsal Jan 2009

Forage Yield Stability Of Common Vetch (Vicia Sativa L.) Genotypes In The Çukurova And Gap Regions Of Turkey, Celal Yücel, Hati̇ce Hizli, Hüseyi̇n Kansur Firincioğlu, Abdullah Çi̇l, Adem Emi̇n Anlarsal

Turkish Journal of Agriculture and Forestry

Improving forage production for an expanding livestock population is essential in the Çukurova and GAP (South-eastern Anatolia Project) regions of Turkey. Feed shortages, especially evident during winter, can be alleviated by introducing high yielding common vetch (Vicia sativa L.) cultivars into crop rotations. The objectives of this research were to determine the genotype x environment interactions and stability parameters for hay yield of 15 vetch lines and cultivars. The vetch genotypes were evaluated in the Çukurova (2 locations for 3 years) and South-eastern Anatolia (1 location for 2 years) regions. In the South-eastern Anatolia region, the rainfall limits plant growth, …

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Interpreting Genotype × Environment Interaction In Bread Wheat (Triticum Aestivum L.) Genotypes Using Nonparametric Measures, Zeki̇ Mut, Nevzat Aydin, Hasan Orhan Bayramoğlu, Hasan Özcan Jan 2009

Interpreting Genotype × Environment Interaction In Bread Wheat (Triticum Aestivum L.) Genotypes Using Nonparametric Measures, Zeki̇ Mut, Nevzat Aydin, Hasan Orhan Bayramoğlu, Hasan Özcan

Turkish Journal of Agriculture and Forestry

The objectives of this study were to compare nonparametric stability measures, and to identify promising high-yield and stable bread wheat (Triticum aestivum L.) genotypes in 7 environments during 2003-2005 in the central Black Sea region of Turkey. The bread wheat genotypes (20 advanced lines and 5 cultivars) were grown in a randomized complete block design with 4 replications in 7 different environments. Three nonparametric statistical tests of significance for genotype × environment (GE) interaction and 10 nonparametric measures of stability were used to identify stable genotypes in 7 environments. Combined ANOVA and nonparametric tests (Kubinger, Hildebrand, and De Kroon/Van der …

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Interpretation Of Genotype-By-Environment Interaction For Late Maize Hybrids’ Grain Yield Using A Biplot Method, Hamid Dehghani, Naser Sabaghnia, Mohammad Moghaddam Jan 2009

Interpretation Of Genotype-By-Environment Interaction For Late Maize Hybrids’ Grain Yield Using A Biplot Method, Hamid Dehghani, Naser Sabaghnia, Mohammad Moghaddam

Turkish Journal of Agriculture and Forestry

The stability of grain yield of 11 late maize hybrids with a check cultivar were studied in a randomized complete block design with 4 replications for 2 years at 11 sites in multi-environment trials in Iran. The obtained data were analyzed with a GGE [genotype + (genotype × environment interaction)] biplot method. The first 2 principal components (PC1 and PC2) were used to create a 2-dimensional GGEbiplot and explained 44% and 27% of GGE sum of squares (SS), respectively. Ranking of the genotypes based on the ideal genotype revealed that grain yields of G2, G3, and G12 were higher together …

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The Effect Of Different Temperatures On Autolysis Of Baker’S Yeast For The Production Of Yeast Extract, Hasan Tangüler, Hüseyi̇n Erten Jan 2009

The Effect Of Different Temperatures On Autolysis Of Baker’S Yeast For The Production Of Yeast Extract, Hasan Tangüler, Hüseyi̇n Erten

Turkish Journal of Agriculture and Forestry

This study aimed to determine the optimum autolysis conditions for the production of yeast extract, which is used to give a meaty flavor to food products and to increase their nutritional value. Autolysis was induced by incubating baker’s yeast cell suspensions at different temperatures (45, 50, 55, and 60 °C) with a reaction time ranging from 8 to 72 h. Content and yield of total solids, \alpha-amino nitrogen (\alpha-AN), and protein were determined. Yeast extract powder was obtained by drying liquid yeast extract in a pilot scale spray drier. Sensory analysis was performed by adding the yeast extract powder at …

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Observation Of Liquid Permeability Related To Anatomical Characteristics In Samanea Saman, Sheikh Ali Ahmed, Su Kyoung Chun Jan 2009

Observation Of Liquid Permeability Related To Anatomical Characteristics In Samanea Saman, Sheikh Ali Ahmed, Su Kyoung Chun

Turkish Journal of Agriculture and Forestry

This paper examines wood anatomy as it relates to safranine solution penetration in Samanea saman, which belongs to the family Mimosoideae and is native to Bangladesh. The wood of this species was characterized by diffuse-porous vessels with simple perforations, alternate and opposite vestured intervessel pits, gums in heartwood vessels, vascicentric paratracheal axial parenchyma, lozenge-aliform, confluent prismatic crystals in fiber, and chambered axial parenchyma cells. Different anatomical features affect longitudinal and lateral liquid permeability. Herein microstructures that controlled liquid penetration are described and compared. We observed that ray cell lumen diameter, end-wall pit number and diameter, ray cell length, vessel number, …

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Regeneration And Histological Analysis Of Regeneration In Bottle Gourd (Lagenaria Siceraria (Molina) Stand.), Yeşi̇m Yalçin Mendi̇, Muzaffer İpek, Ni̇hal Buzkan, Yildiz Aka Kaçar, Sebahatti̇n Çürük Jan 2009

Regeneration And Histological Analysis Of Regeneration In Bottle Gourd (Lagenaria Siceraria (Molina) Stand.), Yeşi̇m Yalçin Mendi̇, Muzaffer İpek, Ni̇hal Buzkan, Yildiz Aka Kaçar, Sebahatti̇n Çürük

Turkish Journal of Agriculture and Forestry

Two different types of explant (proximal and flamingo-bill) from Emphasis seedlings, a hybrid cultivar of bottle gourd (Lagenaria siceraria (Molina) Stand.), germinated under dark and light conditions were cultured on 9 regeneration MS media containing various combinations of BA (0, 1.0, and 2.0 mg l^{-1}) and IAA (0, 0.25, and 0.5 mg l^{-1}). Comparison of the explant types showed that the flamingo-bill type explant had better shoot formation than did the proximal explant. The MS medium containing 1 mg l^{-1} of BA was optimal for shoot formation capacity when flamingo-bill type explants germinated in the dark (44%) and light (36%) …

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The Effects Of Bio-Priming With Pgpr On Germination Of Radish (Raphanus Sativus L.) Seeds Under Saline Conditions, Haluk Çağlar Kaymak, İsmai̇l Güvenç, Fai̇ka Yarali, Mesude Fi̇gen Dönmez Jan 2009

The Effects Of Bio-Priming With Pgpr On Germination Of Radish (Raphanus Sativus L.) Seeds Under Saline Conditions, Haluk Çağlar Kaymak, İsmai̇l Güvenç, Fai̇ka Yarali, Mesude Fi̇gen Dönmez

Turkish Journal of Agriculture and Forestry

The present study was conducted to examine the effects of bio-priming with plant growth promoting rhizobacteria (PGPR) on the germination of radish (Raphanus sativus L.) seeds under different saline (NaCl) conditions. Three radish cultivars ('Antep', 'Beyaz', and 'Siyah') were used as plant material and 5 bacteria strains (Agrobacterium rubi strain A 16, Burkholderia gladii strain BA 7, Pseudomonas putida strain BA 8, Bacillus subtilis strain BA 142, and Bacillus megaterium strain M 3) were applied as priming agent. The effect of bio-priming with PGPR on germination percentage under saline conditions varied with bacteria strains and cultivars. Applications of bio-priming with …

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Microarray Analysis Of Late Response To Boron Toxicity In Barley (Hordeum Vulgare L.) Leaves, Mehmet Tufan Öz, Remzi̇ye Yilmaz, Füsun Eyi̇doğan, Leo De Graaff, Meral Yücel, Hüseyi̇n Avni̇ Öktem Jan 2009

Microarray Analysis Of Late Response To Boron Toxicity In Barley (Hordeum Vulgare L.) Leaves, Mehmet Tufan Öz, Remzi̇ye Yilmaz, Füsun Eyi̇doğan, Leo De Graaff, Meral Yücel, Hüseyi̇n Avni̇ Öktem

Turkish Journal of Agriculture and Forestry

DNA microarrays, being high-density and high-throughput, allow quantitative analyses of thousands of genes and their expression patterns in parallel. In this study, Barley1 GeneChip was used to investigate transcriptome changes associated with boron (B) toxicity in a sensitive barley cultivar (Hordeum vulgare L. cv. Hamidiye). Eight-day-old aseptically grown seedlings were subjected to 5 or 10 mM boric acid (B(OH)_3) treatments for 5 days and expression profiles were determined with DNA microarrays using total RNA from leaf tissues. Among the 22,840 transcripts - each represented with a probe set on the GeneChip - 19,424 probe sets showed intensity values greater than …

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Control Of Tribolium Castaneum (Herbst) (Coleoptera: Tenebrionidae) With Spinosad Dust Formulation In Different Oilseeds, Adel Khashaveh, Masumeh Ziaee, Mohammad Hasan Safaralizadeh, Farzaneh Attighi Lorestani Jan 2009

Control Of Tribolium Castaneum (Herbst) (Coleoptera: Tenebrionidae) With Spinosad Dust Formulation In Different Oilseeds, Adel Khashaveh, Masumeh Ziaee, Mohammad Hasan Safaralizadeh, Farzaneh Attighi Lorestani

Turkish Journal of Agriculture and Forestry

The insecticidal effect of spinosad dust, a formulation that contains 0.125% spinosad, was evaluated against adults of Tribolium castaneum (Herbst) on 4 commodities: safflower, sunflower, sesame, and canola. Fifty grams of each commodities were treated with 3 doses of the formulation: 100, 200, and 300 ppm, (corresponding to 0.125, 0.25, and 0.375 mg kg^{-1} a.i., respectively) at 27 °C and 60 ± 5% relative humidity. The mortality of T. castaneum adults was measured after 1, 2, 7, 14, and 21 days of exposure. After the mortality count on day 21, all surviving insects were removed while the samples were kept …

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Effects Of Different Irrigation Programs On The Growth, Yield, And Fruit Quality Of Drip-Irrigated Melon, Osman Yildirim, Ni̇lgün Halloran, Şeyda Çavuşoğlu, Nesli̇han Şengül Jan 2009

Effects Of Different Irrigation Programs On The Growth, Yield, And Fruit Quality Of Drip-Irrigated Melon, Osman Yildirim, Ni̇lgün Halloran, Şeyda Çavuşoğlu, Nesli̇han Şengül

Turkish Journal of Agriculture and Forestry

A field study was conducted in Ankara, a semi-arid region of Central Anatolia, Turkey, on clay-loamy soils in the vegetation seasons of 2005 and 2006. Kırkağaç melon cultivar (Cucumis melo L. cv. Kırkağaç) was irrigated by the drip method from transplantation to the beginning of the flowering (IS_f), fruit setting (IS_{fs}), ripening (IS_r), and harvesting (IS_h) periods. Water amounting to 50% (P_{50}), 75% (P_{75}), and 100% (P_{100}) of full irrigation water were applied. Some analyses were carried out regarding the growth, yield, and fruit quality parameters in these irrigation programs. Moreover, the amount of water, the seasonal evapotranspiration, and the …

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The Effects Of Different Temperatures And Diets On The Biology Of Cales Noacki Howard (Hymenoptera: Aphelinidae), A Parasitoid Of The Citrus Woolly Whitefly, Gonca Vatansever Saki̇n, M. Rifat Ulusoy Jan 2009

The Effects Of Different Temperatures And Diets On The Biology Of Cales Noacki Howard (Hymenoptera: Aphelinidae), A Parasitoid Of The Citrus Woolly Whitefly, Gonca Vatansever Saki̇n, M. Rifat Ulusoy

Turkish Journal of Agriculture and Forestry

The biology of Cales noacki Howard (Hymenoptera: Aphelinidae), a particular parasitoid of the woolly whitefly, Aleurothrixus floccosus Maskell (Homoptera: Aleyrodidae), was investigated under laboratory conditions, where the effects of different temperatures [18, 22, 26, 30, 34, 18/26, 26/34 °C] and the longevity of adults on different diets [sugar water (10%), water with honey (10%), water, honeydew of A. floccosus, 1^{st} instar larvae of A. floccosus, or no food] were observed. The longest developmental time of C. noacki was identified at 18 °C (F: 49.0 and M: 48.5 days) and the shortest time was at 26 and 30 °C constant temperatures …

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Identification And Characterization Of Hydrolytic Enzymes From The Midgut Of The Cotton Bollworm, Helicoverpa Armigera Hübner (Lepidoptera: Noctuidae), Ebru Özgür, Meral Yücel, Hüseyi̇n Avni̇ Öktem Jan 2009

Identification And Characterization Of Hydrolytic Enzymes From The Midgut Of The Cotton Bollworm, Helicoverpa Armigera Hübner (Lepidoptera: Noctuidae), Ebru Özgür, Meral Yücel, Hüseyi̇n Avni̇ Öktem

Turkish Journal of Agriculture and Forestry

Midgut hydrolytic enzymes of Helicoverpa armigera Hübner (Lepidoptera: Noctuidae) were identified and partially characterized. K_m, V_{max}, optimum pH, and specific activity were determined for proteolytic enzymes and \alpha-amylases. All hydrolytic enzyme activity had an optimum pH value in the alkaline pH range. We observed major serine protease activity, together with minor cysteine-like activity, the former being significantly inhibited by soybean trypsin inhibitor (SBTI) and aprotinin. Moreover, different degrees of inhibition were observed with synthetic protease inhibitors. Electrophoretic methods revealed 3 isozymes of \alpha-amylases, of which 2 had higher molecular weight and were more active than the other. Inhibition of amylolytic …

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Determination Of Soil Loss By ^{137}Cs Fallout Radionuclide In Ömerli Watershed Of İstanbul, Turkey, Muhammet Sahi̇p Kiziltaş, Sevi̇lay Haciyakupoğlu, Ferhat Gökbulak, Ahmet Hizal Jan 2009

Determination Of Soil Loss By ^{137}Cs Fallout Radionuclide In Ömerli Watershed Of İstanbul, Turkey, Muhammet Sahi̇p Kiziltaş, Sevi̇lay Haciyakupoğlu, Ferhat Gökbulak, Ahmet Hizal

Turkish Journal of Agriculture and Forestry

Soil erosion and sedimentation in watersheds are usually part of the information to be considered for soil and water conservation measures. Soil loss is generally estimated with models or measured with plot studies. Although fallout radionuclides (FRN) methodology provides a powerful technique for predicting the impacts of proposed land management strategies on soil erosion and sediment yield within river basins and estimates erosion based on fallout radioisotopes (Cs-137, Pb-210, Be-7) radioactivity, it is rarely used in Turkey. The aim of this study was to determine soil losses from different land use types with FRN's methodology by using caesium-137 radionuclide in …

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The Use Of Aridity Index To Assess Implications Of Climatic Change For Land Cover In Turkey, Derya Önder, Mehmet Aydin, Süha Berberoğlu, Sermet Önder, Tomohisa Yano Jan 2009

The Use Of Aridity Index To Assess Implications Of Climatic Change For Land Cover In Turkey, Derya Önder, Mehmet Aydin, Süha Berberoğlu, Sermet Önder, Tomohisa Yano

Turkish Journal of Agriculture and Forestry

This study was carried out to determine the impacts of climate change on aridity and land cover in Turkey. Data for future (2070s) climate change, according to present conditions (1990s), were estimated from the prediction results of a regional climate model (RCM). The RCM, which was developed in Japan, is based on the MRI model. The potential impacts of climate change were estimated according to the A2 scenario of Special Report on Emissions Scenarios (SRES). Aridity index, the ratio of precipitation to potential evapotranspiration, was computed by using measured data for the present condition and estimated data by the RCM …

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Long-Term Effects Of Crop Rotation And Fertilizers On Weed Community In Spring Barley, H. R. Mohammaddoust Chamanabad, A. Ghorbani, Ali Asghari, A. M. Tulikov, F. Zargarzadeh Jan 2009

Long-Term Effects Of Crop Rotation And Fertilizers On Weed Community In Spring Barley, H. R. Mohammaddoust Chamanabad, A. Ghorbani, Ali Asghari, A. M. Tulikov, F. Zargarzadeh

Turkish Journal of Agriculture and Forestry

Integrated weed management programs require a clear understanding of the mechanisms influencing the establishment, growth, and reproduction of unwanted plants (weeds) in agro-ecosystems. This study evaluates the effect of long-term (95 years after the establishment of the site) crop rotation and chemical fertilizers on the weed community dynamics in spring barley at the Agricultural University of Timiriazev, Agricultural Site in Moscow. The weed community occurring on plots of spring barley (grown in crop rotation or continuous) was examined under nitrogen, potassium, phosphorus, NPK, and a control with no fertilizer treatments. Statistical analyses were conducted using analysis of variance (ANOVA) and …

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Weed Vegetation Of Small Grain Crops In Serbia: Environmental And Human Impacts, Sava Vrbnicanin, Zora Dajic Stevanovic, Katarina Jovanovic Radovanov, Ahmet Uludağ Jan 2009

Weed Vegetation Of Small Grain Crops In Serbia: Environmental And Human Impacts, Sava Vrbnicanin, Zora Dajic Stevanovic, Katarina Jovanovic Radovanov, Ahmet Uludağ

Turkish Journal of Agriculture and Forestry

Weed flora of winter and spring small grain crops (wheat, barley, oats, and rye) was surveyed in lowland and mountainous areas of the central part of Serbia, which are dissimilar in environmental conditions, primarily climate and soil characteristics, and crop management practices. The weed community of the mountainous area was more diverse that of the lowlands. The weed community of the mountainous area was characterized by a significantly higher proportion of dicotyledonous species, mainly hemicryptophytes, probably due to insufficient tillage and the consequent impact of surrounding grassland vegetation. Different environmental conditions and crop managements of the 2 sites caused the …

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Green And Roasted Mate: Phenolic Profile And Antioxidant Activity, Ni̇hal Türkmen Erol, Ferda Sari, Eda Çalikoğlu, Y. Sedat Veli̇oğlu Jan 2009

Green And Roasted Mate: Phenolic Profile And Antioxidant Activity, Ni̇hal Türkmen Erol, Ferda Sari, Eda Çalikoğlu, Y. Sedat Veli̇oğlu

Turkish Journal of Agriculture and Forestry

Mate infusions have been recently and frequently used as dietary supplements because of their health effects to prevent atherosclerosis and coronary heart disease and to be antioxidant. The aim of this study was to determine phenolic compounds and antioxidant activities of green mate (GM) and roasted mate (RM) extracts and compare them with green tea (GT). Total polyphenol content of GM and RM extracts was found to be similar and to range from 237.20 to 438.50 mg gallic acid equivalent (GAE) g^{-1} dry extract and from 256.72 to 473.11 mg GAE g^{-1} dry extract depending on the solvent used and …

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Microbial Biomass And Enzyme Activity In Vineyard Soils Under Organic And Conventional Farming Systems, Nur Okur, Ahmet Altindi̇şli̇, Muzaffer Çengel, Selçuk Göçmez, Hüseyi̇n Hüsnü Kayikçioğlu Jan 2009

Microbial Biomass And Enzyme Activity In Vineyard Soils Under Organic And Conventional Farming Systems, Nur Okur, Ahmet Altindi̇şli̇, Muzaffer Çengel, Selçuk Göçmez, Hüseyi̇n Hüsnü Kayikçioğlu

Turkish Journal of Agriculture and Forestry

Many recent studies from around the world have compared organic and conventional farming systems in terms of soil properties. Microbial biomass and enzyme activity were compared in vineyard soils managed by organic and conventional practices under Mediterranean conditions during the growing. Organic treatments were (i) green manure and farmyard manure at the rate of 30 t ha^{-1} (GM1), (ii) green manure and farmyard manure at the rate of 10 t ha^{-1}, plus E2001 EM Bio-polymer gel solution (GM2), and (iii) green manure plus E2001 EM Bio-polymer gel solution (GM3). Only mineral fertilizers and pesticides were used in the conventional system …

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The Impact Of Seeding Rate And Inter-Row Spacing On Italian Ryegrass For Seed In The First Harvest Year, Aleksandar Simic, Savo Vuckovic, Radojka Maletic, Dejan Sokolovic, Nenad Djordjevic Jan 2009

The Impact Of Seeding Rate And Inter-Row Spacing On Italian Ryegrass For Seed In The First Harvest Year, Aleksandar Simic, Savo Vuckovic, Radojka Maletic, Dejan Sokolovic, Nenad Djordjevic

Turkish Journal of Agriculture and Forestry

Italian ryegrass (Lolium multiflorum Lam.) cv. Tetraflorum sown with different inter-row spacings and seeding rates was grown under the agroecological conditions of Western Serbia. Field experiments were carried out between 2002 and 2006, and biometric characteristics-generative tillers, seed yield, and shoot dry mass-were measured during the first production year. Italian ryegrass was grown with 3 row spacings (20, 40, and 60 cm), using 4 seeding rates (5, 10, 15, and 20 kg ha^{-1}). Tiller length was affected by stand density, while 2 other tiller parameters were affected considerably less by the treatments applied. The influence of tiller characteristics on yield …

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The Physico-Chemical And Microbiological Properties Of Wheat Flour In Thrace, Ali̇ Aydin, Peter Paulsen, Frans Johannes M. Smulders Jan 2009

The Physico-Chemical And Microbiological Properties Of Wheat Flour In Thrace, Ali̇ Aydin, Peter Paulsen, Frans Johannes M. Smulders

Turkish Journal of Agriculture and Forestry

The physico-chemical and microbiological properties of wheat flour samples (type 650) obtained from 7 different locations in the Thrace region (Turkey) were assessed. Totally 142 wheat flour samples were analysed physico-chemically in terms of ash, moisture, fat acidity, and protein amounts, and microbiologically in terms of total mesophilic aerobic bacteria (TMAB), Escherichia coli, Bacillus cereus, Clostridium perfringens, moulds, rope-spore counts, and Salmonella spp. In the physico-chemical parameters investigated, only the ash levels of flour samples were higher than the limit laid down in the Turkish Food Codex and Codex Alimentarius. In some locations, the levels of TMAB, E. coli, and …

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The Relationship Between The Form Of Dead Bark And Lignin Content In Scots Pine (Pinus Sylvestris L.), Tomasz Jelonek, Witold Pazdrowski, Magdalena Arasimowicz-Jelonek, Jaroslaw Gzyl, Arkadiusz Tomczak, Jolanta Floryszak-Wieczorek Jan 2009

The Relationship Between The Form Of Dead Bark And Lignin Content In Scots Pine (Pinus Sylvestris L.), Tomasz Jelonek, Witold Pazdrowski, Magdalena Arasimowicz-Jelonek, Jaroslaw Gzyl, Arkadiusz Tomczak, Jolanta Floryszak-Wieczorek

Turkish Journal of Agriculture and Forestry

In this study the proportion of lignin in wood tissue was analysed in 36 Scots pines differing in their form of dead bark. Material for analyses came from pure pine stands aged 89-91 years located in northern Poland. Chemical analyses were performed in the mature wood zone comprising the last 10 diameter increments located at a height of 1.3 m (DBH). Results indicate differences in lignin content and growth rate in pines whose stems were characterized by different forms of dead bark. The study showed significant differences in lignin contents between trees with shell and scaly dead bark and trees …

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Effect Of Superparasitism On The Development Of The Solitary Parasitoid Chelonus Oculator Panzer (Hymenoptera: Braconidae), Hi̇lal Tunca, Neşet Kilinçer Jan 2009

Effect Of Superparasitism On The Development Of The Solitary Parasitoid Chelonus Oculator Panzer (Hymenoptera: Braconidae), Hi̇lal Tunca, Neşet Kilinçer

Turkish Journal of Agriculture and Forestry

The egg-larval parasitoid Chelonus oculator Panzer (Hymenoptera: Braconidae) is a solitary endoparasitoid. The effect of superparasitism on the development of C. oculator was investigated on a host, Cadra cautella Walker (Lepidoptera : Pyralidae) at 25 °C, 60%-70% R.H., and 16:8 h (L:D) photoperiod. The development time of C. oculator from egg to adult was related to parasitism level from 42.5 ± 0.19 days under single parasitism to 48.4 ± 0.57 days under triple parasitism. The emergence rate of the parasitoid decreased as the parasitism level increased. In addition, the dry mass of adult parasitoid was significantly affected by the superparasitism. …

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Putative Agents Of Fig Mosaic Disease In Turkey, Kadri̇ye Çağlayan, Vicente Medina, Mona Gazel, Çi̇ğdem U. Serçe, Luis Serrano, Angeles Achon, Soner Soylu, Oğuzhan Çalişkan, Mustafa Gümüş Jan 2009

Putative Agents Of Fig Mosaic Disease In Turkey, Kadri̇ye Çağlayan, Vicente Medina, Mona Gazel, Çi̇ğdem U. Serçe, Luis Serrano, Angeles Achon, Soner Soylu, Oğuzhan Çalişkan, Mustafa Gümüş

Turkish Journal of Agriculture and Forestry

Leaves from 58 fig tree accessions showing different severity of mosaic and necrotic symptoms were collected in 2 different regions of Turkey and analysed by transmission electron microscope (TEM) and RT-PCR to determine putative causal agents of fig mosaic disease (FMD). Ultrastructural studies showed that double membrane-bound bodies (DMBs) were mainly observed in the parenchyma and mesophyll cells of infected leaves of the cultivars Göklop and Morgüz and some seedlings showing only mosaic symptoms. These bodies were surrounded by a fibrillar matrix in most of the infected cells. Long, flexuous rod-shaped virus-like particles (LFPs) were also observed in vascular tissues …

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Blast Disease Influence On Agronomic And Quality Traits Of Rice Varieties Under Mediterranean Conditions, Spyridon D. Koutroubas, Dimitrios Katsantonis, Dimitrios A. Ntanos, Elizabetta Lupotto Jan 2009

Blast Disease Influence On Agronomic And Quality Traits Of Rice Varieties Under Mediterranean Conditions, Spyridon D. Koutroubas, Dimitrios Katsantonis, Dimitrios A. Ntanos, Elizabetta Lupotto

Turkish Journal of Agriculture and Forestry

The effects of Pyricularia oryzae, the causal agent of blast disease in rice, on plant growth, grain yield, and grain quality under Mediterranean conditions were studied in 2002 and 2003. Four rice varieties were grown under high and low disease pressure, achieved by early inoculation with the blast fungus and by natural infection, respectively. Results showed that inoculation affected the overall plant growth and yield and resulted in a reduction in plant height, number of productive tillers per plant, grain weight, and grain yield. The magnitude of the reduction was dependent on the varietals' susceptibility to the disease. Both types …

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Effects Of Potassium, Magnesium, And Sulphur Containing Fertilizers On Yield And Quality Of Sugar Beets (Beta Vulgaris L.), Mehmet Zengi̇n, Fatma Gökmen, M. Ati̇lla Yazici, Sai̇t Gezgi̇n Jan 2009

Effects Of Potassium, Magnesium, And Sulphur Containing Fertilizers On Yield And Quality Of Sugar Beets (Beta Vulgaris L.), Mehmet Zengi̇n, Fatma Gökmen, M. Ati̇lla Yazici, Sai̇t Gezgi̇n

Turkish Journal of Agriculture and Forestry

Effects of potassium (K), magnesium (Mg), and sulphur (S) containing fertilizers on root yield, refined sugar yield, and K, Mg, and S concentrations of leaf of sugar beet (Beta vulgaris L.) were studied on 3 different locations in Konya province, namely Kuzucu, Karaarslan, and Alakova, in 2004, 2005, and 2006. In the trails, a uniform diammonium phosphate (DAP) + urea application was used as the control treatment, while potassium sulphate and Mg containing Kalimagnesia, were applied at varying rate combinations. Compared to the control treatment (DAP + urea), all fertilizer treatments containing K, Mg, and S increased root yield in …

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Physiological And Nutritional Responses Of Chickpea (Cicer Arietinum L) To Salinity, Abdelmajid Krouma Jan 2009

Physiological And Nutritional Responses Of Chickpea (Cicer Arietinum L) To Salinity, Abdelmajid Krouma

Turkish Journal of Agriculture and Forestry

The aim of this study was to evaluate growth, nodulation, nitrogen fixation, and ionic repartition in 2 chickpea varieties, namely Chetoui and Amdoun, which are grown under salt stress. Inoculated seedlings were grown in a nutrient solution that lacked NaCl (control) or supplemented with 25 or 50 mM NaCl. Whole plant and nodule growth, nitrogen fixation and sodium, and chloride and potassium partitioning were subsequently evaluated. In comparison to Chetoui, Amdoun maintained a high level of whole plant and nodule growth and had a greater nitrogen fixation activity. Nitrogenase activity measurements demonstrated that nodule senescence was more precocious in Chetoui …

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Screening Of Wild Emmer Wheat Accessions (Triticum Turgidum Subsp. Dicoccoides) For Mycorrhizal Dependency, Cemal Yücel, Hakan Özkan, İbrahi̇m Ortaş, Tacetti̇n Yağbasanlar Jan 2009

Screening Of Wild Emmer Wheat Accessions (Triticum Turgidum Subsp. Dicoccoides) For Mycorrhizal Dependency, Cemal Yücel, Hakan Özkan, İbrahi̇m Ortaş, Tacetti̇n Yağbasanlar

Turkish Journal of Agriculture and Forestry

Mycorrhizal dependency was studied in 23 wild emmer (Triticum turgidum subsp. dicoccoides) accessions originating from ecologically and geographically different locations in the Fertile Crescent covering Israel, Turkey, Lebanon, Jordan, and Syria. Wild emmer accessions were grown with mycorrhizae (Glomus mosseae) and non-mycorrhizae under greenhouse conditions, and harvested according to the Zadoks scale at growth stage 33. Root, shoot and total dry weight, growth response, root infection, and mycorrhizal dependency were calculated. It was determined that mycorrhizal inoculation increased 4.1-, 3.9-, and 3.9-fold for root, shoot, and total dry weight, respectively, compared to the control. It was found that wild emmer …

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Variability In Wheat Yield Under Yellow Rust Pressure In Pakistan, Sajid Ali, Syed Jawad Ahmed Shah, Hidayat-Ur Rahman, Muhammad Shahab Saqib, Muhammad Ibrahim, Muhammad Sajjad Jan 2009

Variability In Wheat Yield Under Yellow Rust Pressure In Pakistan, Sajid Ali, Syed Jawad Ahmed Shah, Hidayat-Ur Rahman, Muhammad Shahab Saqib, Muhammad Ibrahim, Muhammad Sajjad

Turkish Journal of Agriculture and Forestry

Wheat yield of 37 wheat varieties along with a susceptible check, Morocco, was studied under yellow rust pressure across 3 locations of North West Frontier Province (NWFP), Pakistan during 2007. Considerable high disease pressure, as revealed by yellow rust severity, was observed at all locations with the maximum (100%) at Cereal Crop Research Institute (CCRI), Nowshera. Disease severity ranged from 0% to 70% for the tested varieties while reached 100% for Morocco with S type of host response. We report the presence of sufficient variability across locations for both yield potential and yellow rust severity. Locations with maximum disease pressure …

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Variation In Resistance To Marine Borers In Commercial Timbers From Turkey, As Assessed By Marine Trial And Laboratory Screening, Hüseyi̇n Si̇vri̇kaya, Simon M. Cragg, Luisa M. S. Borges Jan 2009

Variation In Resistance To Marine Borers In Commercial Timbers From Turkey, As Assessed By Marine Trial And Laboratory Screening, Hüseyi̇n Si̇vri̇kaya, Simon M. Cragg, Luisa M. S. Borges

Turkish Journal of Agriculture and Forestry

Commercial timbers from Turkey used in coastal construction and boat building were tested for their resistance to marine wood-boring invertebrates in a marine trial and in a laboratory screening test. The timbers tested were beech (Fagus orientalis Lipsky), oak (Quercus petraea (Mattuschka) Liebl.), chestnut (Castanea sativa Mill.), and Scots pine (Pinus sylvestris L.). The marine trial was conducted over a period of 5 months at Mersin on the southern Mediterranean coast of Turkey. Activity by teredinid (Mollusca, Bivalvia) borers during this period was very high, resulting in the maximum rating of 4 on the EN 275 scale for P. sylvestris …

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Detection Of Some Woody Plants In Late Oligocene Forests Of İstanbul, Nurgül Karlioğlu, Ünal Akkemi̇k, Hülya Caner Jan 2009

Detection Of Some Woody Plants In Late Oligocene Forests Of İstanbul, Nurgül Karlioğlu, Ünal Akkemi̇k, Hülya Caner

Turkish Journal of Agriculture and Forestry

A paleopalynological study was performed on the fossilized pollen found in the coal and clay layers of the Akçelik Coalmine, which is one of the open lignite quarries located at the northern part of İstanbul, and 15 genera belonging to 14 families were identified from the late Oligocene of İstanbul. Of these 14 families, 4 families belong to Gymnospermae, and 10 of them belong to Angiospermae. In the study, 85.8% of pollen is arboreal (AP) (woody plants), 10.4% is non-arboreal (NAP) (herbal plants), and rest of them (3.8%) could not be identified. The middle coal layer has a significant number …

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