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Articles 61 - 72 of 72
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Rapid Characterization Of Garlic Clones With Locus-Specific Dna Markers, Meryem İpek, Ahmet İpek, Philipp W. Simon
Rapid Characterization Of Garlic Clones With Locus-Specific Dna Markers, Meryem İpek, Ahmet İpek, Philipp W. Simon
Turkish Journal of Agriculture and Forestry
Maintenance of redundant garlic (Allium sativum L.) accessions is expensive due to the necessity of yearly regenerating garlic accessions in germplasm centers. Therefore, rapid characterization of garlic accessions is important for avoiding duplicated genotypes. For this purpose we developed several locus-specific polymerase chain reaction (PCR)-based DNA markers, and tested them for the characterization of garlic clones that were previously analyzed using amplified fragment length polymorphism (AFLP) and randomly amplified polymorphic DNA (RAPD) markers. Among 25 garlic clones, 4 locus-specific markers generated 24 polymorphic alleles. Garlic accessions within a group determined by AFLP and RAPD analyses generally had the same alleles …
Comparison Of Sea Buckthorn Genotypes (Hippophae Rhamnoides L.) Based On Rapd And Fame Data, Sezai̇ Erci̇şli̇, Emi̇ne Orhan, Nalan Yildirim, Güleray Ağar
Comparison Of Sea Buckthorn Genotypes (Hippophae Rhamnoides L.) Based On Rapd And Fame Data, Sezai̇ Erci̇şli̇, Emi̇ne Orhan, Nalan Yildirim, Güleray Ağar
Turkish Journal of Agriculture and Forestry
FAME and RAPD profiles were used to examine biochemical and genetic relationships between 10 selected sea buckthorn genotypes found in the same area of Eastern Anatolia. Fatty acid composition of sea buckthorn berries was determined using gas chromatography. Fatty acid results showed that there were differences between genotypes in both the percent and presence of fatty acids in the berries. Myristic acid was detected only in berries of the ESB8 and ESB9 genotypes. Nervonic acid was detected only in the ESB5 genotype and linoleic acid was detected only in the ESB4 genotype. RAPD data also showed that the ESB4 genotype …
Biological, Serological, And Molecular Characterization Of Citrus Tristeza Virus Isolates From Different Citrus Cultivation Regions Of Turkey, Savaş Korkmaz, Bayram Çevi̇k, Serkan Önder, N. Kemal Koç
Biological, Serological, And Molecular Characterization Of Citrus Tristeza Virus Isolates From Different Citrus Cultivation Regions Of Turkey, Savaş Korkmaz, Bayram Çevi̇k, Serkan Önder, N. Kemal Koç
Turkish Journal of Agriculture and Forestry
Field surveys were carried out in 5 different citrus cultivation regions of Turkey in 2005 and 2006, and 201 samples were collected from different citrus species. Samples were tested for the presence of Citrus tristeza virus (CTV) by double antibody sandwich-enzyme-linked immunosorbent assay (DAS-ELISA) and reverse transcription-polymerase chain reaction (RT-PCR). While DAS-ELISA showed that 41 trees were infected with CTV, an additional 13 trees were found to be positive based on RT-PCR. When CTV-positive samples were tested with the Western blot method using the monoclonal antibody MCA13, which is specific to severe isolates of CTV, 32 isolates, mostly from satsuma, …
Biological Control Of Bacterial Spot Disease Of Pepper With Bacillus Strains, Mustafa Mi̇ri̇k, Yeşi̇m Aysan, Özden Çinar
Biological Control Of Bacterial Spot Disease Of Pepper With Bacillus Strains, Mustafa Mi̇ri̇k, Yeşi̇m Aysan, Özden Çinar
Turkish Journal of Agriculture and Forestry
Bacterial spot disease caused by Xanthomonas axonopodis pv. vesicatoria (X. axonopodis pv. vesicatoria) is a devastating pepper (Capsicum annuum) disease in Turkey. Biological control of Xanthomonas axanopodis pv. vesicatoria is of great interest, in terms of environmental safety and economic return. In this study, 3 Bacillus strains isolated from soil samples of the rhizospheres of peppers grown in greenhouses and fields were used to suppress the size of the population of X. axonopodis pv. vesicatoria. Results indicated that disease development decreased by 11%-62% and 38%-67% in pepper plants inoculated with the 3 Bacillus strains alone and in combination, respectively, in …
Feeding And Foraging Behaviour In Two Coccinellid Predators: Scymnus Levaillanti Muls. And Cycloneda Sanguinea L., Ali̇ Arda Işikber
Feeding And Foraging Behaviour In Two Coccinellid Predators: Scymnus Levaillanti Muls. And Cycloneda Sanguinea L., Ali̇ Arda Işikber
Turkish Journal of Agriculture and Forestry
Predatory behaviour, prey consumption, and foraging cycle of adults and larvae of Scymnus levaillanti Muls. and Cycloneda sanguinea L. (Coleoptera: Coccinellidae) were investigated using a video/computer recording and measurement system. Larvae of S. levaillanti spent more time in feeding activities compared to C. sanguinea. Adults of both S. levaillanti and C. sanguinea spent more time in non-feeding activities (digestion and cleaning) compared to their larvae whilst adults of S. levaillanti spent less time in non-feeding activities than those of C. sanguinea. Generally, larvae and adults of both coccinellid species spent most of their time in non-feeding activities. Although S. levaillanti …
Comparing Neural Networks, Linear And Nonlinear Regression Techniques To Model Penetration Resistance, Hossein Bayat, Mohammad Reza Neyshaburi, Mohammad Ali Hajabbasi, Ali Akbar Mahboubi, Mohammad Reza Mosaddeghi
Comparing Neural Networks, Linear And Nonlinear Regression Techniques To Model Penetration Resistance, Hossein Bayat, Mohammad Reza Neyshaburi, Mohammad Ali Hajabbasi, Ali Akbar Mahboubi, Mohammad Reza Mosaddeghi
Turkish Journal of Agriculture and Forestry
Penetration resistance (PR) is an important property of soils, and can be expressed as cone index (CI). Because of high variability, there are no accurate and representative PR data in most cases. Variable PR is considerably affected by gravimetric soil water content (GWC) and bulk density (BD). In this study, artificial neural networks (ANNs) were used to simulate relationship between BD, GWC, and CI. A data set of 381 samples was collected from 2 study sites, Hamadan and Maragheh. Pedotransfer functions (PTFs) were developed using ANNs and linear and nonlinear regression models to predict CI for the combined data set …
Effects Of Loaf Weight And Storage Time On The Qualitative Properties Of White And Traditional Vakfıkebir Breads, H. Gürbüz Kotancilar, K. Emre Gerçekaslan, M. Murat Karaoğlu
Effects Of Loaf Weight And Storage Time On The Qualitative Properties Of White And Traditional Vakfıkebir Breads, H. Gürbüz Kotancilar, K. Emre Gerçekaslan, M. Murat Karaoğlu
Turkish Journal of Agriculture and Forestry
Vakfıkebir bread (VB), a special kind of bread, is produced in Turkey, especially in Trabzon, Black Sea region. The aim of this research was to introduce VB and compare the properties of traditionally baked VB with those of white bread (WB). It has been reported that sourdough VB had a thick and hard crust, large pores in crumb, longer processing time with high tolerance, rich aroma, good quality, high volume and weight, later staling and longer baking time at low temperature. In this research 2 different loaf weights (500 and 1500 g) for the both bread types were studied. It …
Field Resistance Of Wheat (Triticum Aestivum L.) Genotypes From Different Countries To Leaf Rust (Puccinia Triticina), Beyhan Akin, Nusret Zenci̇rci̇, İzzet Özseven
Field Resistance Of Wheat (Triticum Aestivum L.) Genotypes From Different Countries To Leaf Rust (Puccinia Triticina), Beyhan Akin, Nusret Zenci̇rci̇, İzzet Özseven
Turkish Journal of Agriculture and Forestry
Puccinia triticina causes leaf rust in wheat and results in severe yield losses in mild wheat growing areas of Turkey: Thrace, Marmara, Mediterranean, and Çukurova. A feasible way to avoid any damage is to grow slow rusting cultivars. We evaluated 94 wheat genotypes from different countries and 39 leaf rust differentials for their reactions to leaf rust field epidemics. Slow rusting, though, requires both the prediction of Lr genes in the greenhouse and an effective screening of genotypes against the leaf rust field epidemics; the evaluation at the sites regularly favoring leaf rust epidemics like Adapazarı is also possible. Various …
Genetic Analysis Of Grain Yield And Starch Content In Nine Maize Populations, Zvonimir Zdunic, Anto Mijic, Krunoslav Dugalic, Domagoj Simic, Josip Brkic, Ana Marjanovic Jeromela
Genetic Analysis Of Grain Yield And Starch Content In Nine Maize Populations, Zvonimir Zdunic, Anto Mijic, Krunoslav Dugalic, Domagoj Simic, Josip Brkic, Ana Marjanovic Jeromela
Turkish Journal of Agriculture and Forestry
The objective of this study was to estimate main genetic effects including digenic non-allelic epistasis for yield and starch content in grain by generation mean analysis performed in 9 maize populations (biparental crosses) and their subsequent 6 generations (2 parental, F1 and F2, and 2 backcrosses). The estimated additive-dominance model of inheritance was, due to epistasis, only partially successful in explaining inheritance model for investigated traits and crosses. The additive-dominance model was adequate at 6 crosses for grain yield and 3 crosses for starch content. A digenic epistatic model was sufficient to explain the inheritance model at 6 crosses for …
Production Potential Of A Natural Pasture Compared To A Wheat Pasture, Both Grazed By Lactating Goats Under Mediterranean Climate Conditions, Basri̇ Hakan Hakyemez, Ahmet Gökkuş, İsmai̇l Yaman Yurtman, Türker Savaş
Production Potential Of A Natural Pasture Compared To A Wheat Pasture, Both Grazed By Lactating Goats Under Mediterranean Climate Conditions, Basri̇ Hakan Hakyemez, Ahmet Gökkuş, İsmai̇l Yaman Yurtman, Türker Savaş
Turkish Journal of Agriculture and Forestry
The aim of this study was to extend the grazing period using a wheat pasture that produced high quality forage, and to compare the productivity of natural and wheat pastures for grazing goats during a 3-year period (2003-2005) in a Mediterranean zone of Turkey. Twelve 3-4-year-old Saanen goats were allocated to each pasture (10 goats ha^{-1}). Pastures were grazed for 2 months (May and June) in 2003 and for 3 months (April, May, and June) in 2004 and 2005. In the study, pasture yield and hay intake, crude protein (CP), neutral detergent fiber (NDF), and acid detergent fiber (ADF) content …
Litter Mass Loss Rates In Deciduous And Coniferous Trees In Artvin, Northeast Turkey: Relationships With Litter Quality, Microclimate, And Soil Characteristics, Temel Sariyildiz, Mehmet Küçük
Litter Mass Loss Rates In Deciduous And Coniferous Trees In Artvin, Northeast Turkey: Relationships With Litter Quality, Microclimate, And Soil Characteristics, Temel Sariyildiz, Mehmet Küçük
Turkish Journal of Agriculture and Forestry
Plant litter decomposition is controlled by both biotic and abiotic factors. It has been widely hypothesized that litter quality and climatic and soil conditions regulate decomposition. The present study examined the decomposition of native forest tree litter on 2 aspects (the north and the south) and at 3 altitudes (top, middle, and bottom) on each aspect in Artvin province to determine the influence of litter quality, microclimate, and soil characteristics on the rate of decomposition. A litter-bag experiment was performed using beech, oak, fir, and pine litter. The litter bags were placed on the north- and south-facing sites and at …
Comparison Of Different Chemical Pulps From Wheat Straw And Bleaching With Xylanase Pre-Treated Ecf Method, Sai̇m Ateş, Celi̇l Atik, Yonghao Ni, Esat Gümüşkaya
Comparison Of Different Chemical Pulps From Wheat Straw And Bleaching With Xylanase Pre-Treated Ecf Method, Sai̇m Ateş, Celi̇l Atik, Yonghao Ni, Esat Gümüşkaya
Turkish Journal of Agriculture and Forestry
Different pulping processes, kraft-anthraquinone (AQ), bio-kraft, soda-AQ, ALCELL, and FORMACELL were studied for wheat straw. Fungal pre-treatment with Ceriporiopsis subvermispora, white rot fungi, was applied to wheat straw before kraft-AQ pulping, the so-called bio-kraft process. Fiber properties, carbohydrate contents, FT-IR analyses, strength properties of resultant paper, and bleachability characteristics were included to determine the properties of these pulp samples. In addition, the effects of the xylanase pre-treatment on the subsequent Elemental Chlorine Free (ECF) bleaching process were investigated. The results indicated that kraft-AQ pulps from wheat straw exhibited better characteristics than the other pulp samples with lower kappa number, higher …