Dry Matter Accumulation And Forage Quality Characteristics Of Different Soybean Genotypes,
2013
TÜBİTAK
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 …
Changes In Mycorrhizal Spore And Root Colonization Of Coastal Dune Vegetation Of The Seyhan Delta In The Postcultivation Phase,
2013
TÜBİTAK
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 …
Changes In Stem Growth Rates And Root Wood Anatomy Of Oriental Beech After A Landslide Event In Hanyeri, Bartın, Turkey,
2013
TÜBİTAK
Changes In Stem Growth Rates And Root Wood Anatomy Of Oriental Beech After A Landslide Event In Hanyeri, Bartın, Turkey, Barbaros Yaman, Nesi̇be Köse, Ünal Akkemi̇k
Turkish Journal of Agriculture and Forestry
On 19 May 1998, a small-scale landslide occurred near Hanyeri, Bartın, in the western Black Sea region. The purpose of the study is to investigate the changes in stem growth rates and root wood anatomy of oriental beech (Fagus orientalis Lipsky). According to results from 8 years before and after the event year, growth variation in the affected trees is significantly high. In the control trees, growth increases after the event year, and the growth variation is 116.22%; this value is 69.59% in the affected trees. However, the growth variation values for ±11 years are 107.69% and 81.36% in control …
Mapping Of Thermal Comfort For Outdoor Recreation Planning Using Gis: The Case Of Isparta Province (Turkey),
2013
TÜBİTAK
Mapping Of Thermal Comfort For Outdoor Recreation Planning Using Gis: The Case Of Isparta Province (Turkey), Mehmet Topay
Turkish Journal of Agriculture and Forestry
This study presents a model for the physical planning process of thermal comfort (TC), which is very important for outdoor recreation planning, using thermal perception maps (TPMs). For this purpose, a TPM of Isparta Province was produced according to the physiologically equivalent temperature (PET) index from climatic data of the province. To determine the TC structure of the province, climatic data were collected from 16 meteorology stations. The RayMan 1.2 program was used to obtain the monthly PET values of the stations, and the inverse distance weighted interpolation technique in geographic information system (GIS) software was used to produce monthly …
Changes In The Forage Yield And Quality Of Legume–Grass Mixtures Throughout A Vegetation Period,
2013
TÜBİTAK
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,
2013
TÜBİTAK
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
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, …
Development Of A Tractor Dynamic Stability Index Calculator Utilizing Some Tractor Specifications,
2013
TÜBİTAK
Development Of A Tractor Dynamic Stability Index Calculator Utilizing Some Tractor Specifications, Iman Ahmadi
Turkish Journal of Agriculture and Forestry
To examine the effects of different geometries and mass specifications of a tractor operating across irregular sloping grounds on the lateral stability of this machine, a dynamic model was developed. In the proposed model, overturn and skid instabilities were studied and the tractor stability indexes were formulated (i.e. TSI_{overturn} and TSI_{skid}). Using a modified Excel spreadsheet package employing the parameters of the model, the TSIs were then determined. Finally, the effects of variation in the parameters of the model on TSIs were evaluated. The results of the analyses indicate that changing the tractor mass moment of inertias about the x- …
Effects Of Adding Crown Variables In Stem Taper And Volume Predictions For Black Pine,
2013
TÜBİTAK
Effects Of Adding Crown Variables In Stem Taper And Volume Predictions For Black Pine, Ramazan Özçeli̇k, Cafer Bal
Turkish Journal of Agriculture and Forestry
Crown characteristics are an important component of growth and yield models. The stem form of a tree depends to a large extent on the tree crown dimensions. However, there is no unified agreement on whether crown variables (crown ratio and crown length) should be incorporated into taper models for accurate predictions of diameter and volume. The purpose of this study was to investigate the level of improvement that the incorporation of crown variables into taper equations for black pine (Pinus nigra J.F.Arnold subsp. pallasiana (Lamb.) Holmboe) gives to diameter and stem volume predictions. Linear and nonlinear crown variable functions were …
The Effects Of Heartwood And Sapwood On Kraft Pulp Properties Of Pinus Nigra J.F.Arnold And Abies Bornmuelleriana Mattf.,
2013
TÜBİTAK
The Effects Of Heartwood And Sapwood On Kraft Pulp Properties Of Pinus Nigra J.F.Arnold And Abies Bornmuelleriana Mattf., Yasi̇n Ataç, Hüdaverdi̇ Eroğlu
Turkish Journal of Agriculture and Forestry
The effects of heartwood and sapwood on kraft pulp properties of Pinus nigra J.F.Arnold. and Abies bornmuelleriana Mattf. were investigated. The differences in terms of chemical composition and fiber properties between the heartwood and sapwood of these species were also examined. Heartwood had more holocellulose and extractive compared to sapwood. Moreover, heartwood fiber length was shorter than that of sapwood. Kraft cookings of heartwood and sapwood each species were separately done under fixed cooking conditions. The results indicated that heartwood pulp had lower pulp viscosity and total pulp yield than sapwood did. The tear index of sapwood unbeaten and beaten …
Support Vector Machines In Wood Identification: The Case Of Three Salix Species From Turkey,
2013
TÜBİTAK
Support Vector Machines In Wood Identification: The Case Of Three Salix Species From Turkey, Kemal Turhan, Bedri̇ Serdar
Turkish Journal of Agriculture and Forestry
The aim of this study was to use a support vector machine (SVM) for the first time as a predictive method for differentiating species of Salix wood through the biometric analysis of their anatomy using wood taken from basal disks of 3 species. The purpose of a SVM is to construct optimal decision boundaries among classes in a decision plane. A decision plane separates a set of objects having different class memberships. In this study, the decision plane has 3 different wood species. Timely and accurate identification of tree species can be crucial in forestry. The similarity of structures in …
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 …
Land Suitability Assessment For Rice Cultivation Based On Gis Modeling,
2013
TÜBİTAK
Land Suitability Assessment For Rice Cultivation Based On Gis Modeling, Orhan Dengi̇z
Turkish Journal of Agriculture and Forestry
The main objective of this study was to develop a spatial model for land suitability assessment for rice (Oryza sativa L.) cultivation using geographic information system (GIS) techniques. The land mapping units, resulting from the overlay of the selected theme layers, have unique land quality information, on which land suitability is based. Results showed that 55.5% of the study area is highly or moderately suitable for rice cultivation, whereas 34% of that area is unsuitable for rice cultivation due to soil and topographic conditions. The model was also validated with field studies. According to the statistical analysis, there was a …
Performance Of Dacryodes Edulis Mycorrhized Layers Under Different Cropping Conditions In Makenene, Cameroon,
2013
TÜBİTAK
Performance Of Dacryodes Edulis Mycorrhized Layers Under Different Cropping Conditions In Makenene, Cameroon, Martin Mbeuyo, Nehemie Donfagsiteli Tchinda, Emmanuel Youmbi, Hubert Jean Claude Mbita Messi, Akoa Amougou
Turkish Journal of Agriculture and Forestry
Dacryodes edulis, with its potential dietary and medicinal uses, is an aging member of the agroforestry system and is classified among the priority species for domestication in Central Africa. Reliable techniques for producing quality planting materials other than seeds are urgently needed. The aims of this study were to produce D. edulis layers and integrate them into the cropping system. To promote rooting and the survival rates of layers, 4 treatments were used. The layers produced were inoculated with mycorrhiza and introduced into cropping systems for the evaluation of morphobiochemical parameters. The results show that 67.91% of D. edulis trees …
An Axr1 Suppressor Mutation In Arabidopsis That Partially Restores Auxin Signaling Also Reverses Defects In Jasmonate Response,
2013
TÜBİTAK
An Axr1 Suppressor Mutation In Arabidopsis That Partially Restores Auxin Signaling Also Reverses Defects In Jasmonate Response, İskender Ti̇ryaki̇, Paul E. Staswick
Turkish Journal of Agriculture and Forestry
The Arabidopsis mutant axr1 is defective in both auxin and jasmonic acid responses. A screen for axr1-24 suppressors yielded sar1-5, an allele of previously described mutants that partially correct the auxin response defects in axr1. The new allele partially suppresses defects in jasmonate response in axr1. The JA concentration required for 50% inhibition of seedling root growth was 5-10 µM for axr1-24 sar1-5. This was at least 10-fold less than that required for axr-24, but 5- to 10-fold higher than for WT. In the axr1-24 background sar1-5 also partially restored resistance to the soil fungus Pythium irregulare, a trait known …
The Determination Of Indicator Plant Species For Steppe Rangelands Of Nevşehir Province In Turkey,
2013
TÜBİTAK
The Determination Of Indicator Plant Species For Steppe Rangelands Of Nevşehir Province In Turkey, Sabahaddi̇n Ünal, Zi̇ya Mutlu, Özteki̇n Urla, Bi̇lal Şahi̇n, Ali̇ Koç
Turkish Journal of Agriculture and Forestry
Monitoring and interpretation of the changes to the vegetation of rangelands are key functions for ecological models and sustainable management. Field work was well organized to generally represent the rangelands in the province of Nevşehir, in Central Anatolia, Turkey, in the year 2008. A modified wheel-point method with a loop was used to detect the basal cover of species of vegetation. There were 185 species in 31 sample sites throughout Nevşehir Province. Ordination analysis was performed with the Integrated System for Plant Dynamics software package, which includes detrended correspondence analysis and sample-centered principal components analysis. A gradient analysis showed that …
Effects Of Tank-Mixing Of Micronutrients And Amitraz By Foliar Application On Abundance Of Agonoscena Pistaciae In Pistachio Orchards, Mohammad Rouhani, Mohammad Amin Samih
Turkish Journal of Agriculture and Forestry
Fertilization is one of the effective factors on the common pistachio psylla Agonoscena pistaciae Burckhardt and Lauterer (Hem.: Aphalaridae) population. Fertilization has a central role in all metabolic processes, as well as in the cellular structure, cell wall structure, and growth of all organisms, and various pesticides are now used to control this pest, as well. The aim of this study was to determine the effects of a pesticide (amitraz) mixed with micronutrients (Ca, Zn, and N) on the population density of A. pistaciae. We tested the effects of mixing pesticides and micronutrients on A. pistaciae in a pistachio orchard. …
Phytochemical Characteristics Of Grafted Watermelon On Different Bottle Gourds (Lagenaria Siceraria) Collected From Mediterranean Region Of Turkey, Eli̇f Çandir, Hali̇t Yeti̇şi̇r, Fati̇h Karaca, Durmuş Üstün
Turkish Journal of Agriculture and Forestry
The objective of this study is to determine the sugar, organic acid, and carotenoid content of Crimson Tide watermelons grafted onto bottle gourd genotypes collected from the Mediterranean region of Turkey. The experiment was carried out during the 2008 and 2009 growing season. Grafting on the local bottle gourd rootstocks improved the total soluble solid (TSS), titratable acidity (TA), TSS/TA ratio, sugar, organic acid, and carotenoid (beta-carotene and lycopene) contents of Crimson Tide fruits. Grafting also altered the ratios among the sugars of Crimson Tide watermelon fruits. Among the Crimson Tide/rootstock (CT/rootstock) combinations, the CT/09-01 and CT/07-06 graft combinations with …
Pcr Detection Of Fusarium Oxysporum F. Sp. Radicis-Lycopersici And Races Of F. Oxysporum F. Sp. Lycopersici Of Tomato In Protected Tomato-Growing Areas Of The Eastern Mediterranean Region Of Turkey, Ayşegül Çolak, Mehmet Bi̇çi̇ci̇
Turkish Journal of Agriculture and Forestry
Fusarium crown and root rot (caused by Fusarium oxysporum f. sp. radicis-lycopersici, FORL) and Fusarium wilt (caused by Fusarium oxysporum f. sp. lycopersici, FOL) are the most important diseases to affect tomatoes in protected growing conditions in the eastern Mediterranean region of Turkey. These diseases cause significant yield losses in this region. Polymerase chain reaction (PCR) studies were used to characterize 87 isolates from Adana and Mersin provinces, representative of different locations. Among them, 60% and 40% of the plants were determined to have FORL and FOL, respectively. FORL and FOL race 3 are the dominant pathogens in this region. …
Effects Of Posttreatment With Alkaline Copper Quat And Copper Azole On The Mechanical Properties Of Wood-Based Composites,
2013
TÜBİTAK
Effects Of Posttreatment With Alkaline Copper Quat And Copper Azole On The Mechanical Properties Of Wood-Based Composites, Ci̇hat Taşçioğlu
Turkish Journal of Agriculture and Forestry
The static bending strengths, modulus of rupture, and modulus of elasticity of 5 commercial wood-based composites [softwood plywood (SWP), hardwood plywood (HWP), medium density fiber-board (MDF), oriented strand board (OSB), and particleboard (PB)] were measured after a postmanufacture treatment of vacuum-impregnation with alkaline copper quat (ACQ) and copper azole (CA) (target retentions: 0.65, 1.30, and 2.60 kg^{ m-3} for ACQ; 0.25, 0.50, and 1.0 kg ^{m-3} for CA). Of the composites tested, SWP exceptionally sustained no damage to its bending strengths, regardless of preservative types and retentions. Others (HWP, MDF, OSB, and PB) were necessarily affected to some degree by …
