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Articles 61 - 90 of 98
Full-Text Articles in Agriculture
Somatic Embryogenesis From Mature Seed Cultures Of Pistacia Atlantica, Ahmet Onay
Somatic Embryogenesis From Mature Seed Cultures Of Pistacia Atlantica, Ahmet Onay
Turkish Journal of Agriculture and Forestry
Embryogenic mass was produced from kernels of mature fruits of Pistacia atlantica cultured in liquid Murashige and Skoog media, supplemented with 100 mg/l casein hydrolysate, 100 mg/l l-ascorbic acid, and benzylaminopurine (BAP). Embryogenic mass-es were differentiated directly from the kernel explants after culture for 3 weeks in liquid medium with 0.5-4 mg/l benzylaminop-urine. After transfer of the embryogenic masses into the same medium, but after a few subcultures with benzylaminopurine, somat-ic embryos appeared. Clusters of somatic embryos were transferred to the agar solidified MS medium for maturation. Matured somatic embryos, germinated on the maturation medium without growth regulators, developed into …
Interactive Effects Of Vernalization, Photoperiod And Light Intensity On Reproductive Development Of Wheat Cultivars, Yasemi̇n Ekmekçi̇, Serpi̇l Terzi̇oğlu
Interactive Effects Of Vernalization, Photoperiod And Light Intensity On Reproductive Development Of Wheat Cultivars, Yasemi̇n Ekmekçi̇, Serpi̇l Terzi̇oğlu
Turkish Journal of Agriculture and Forestry
The interactive effects of vernalization, photoperiod and light intensity on the length of the apex or spike and main shoot, and the diameter of the main shoot of five different wheat ( Triticum aestivumL.) cultivars (Çukurova-86, Atay-85, Lancer, Haymana-79 and Bezostaya-1) having different biological characters were investigated. The research was carried out in four independent experiments, which were the combinations of two different photoperiods (12 and 16 h.d .-1 ) and light intensities (200 µmol m -2 s -1 and 500 µmol m -2 s -1 PFD) with different vernalization periods. At the end of each photoperiod and light intensity …
Dessiccation Using Saturated Salt Solutions And Improvement Germination Rate Of Walnut (Juglans Regia L.) Somatic Embryos, Hati̇ce Dumanoğlu
Dessiccation Using Saturated Salt Solutions And Improvement Germination Rate Of Walnut (Juglans Regia L.) Somatic Embryos, Hati̇ce Dumanoğlu
Turkish Journal of Agriculture and Forestry
Desiccation of somatic embryos under different air humidities conditioned by saturated salt solutions for different dura-tions; relationships between desiccation and germination or root formation in the dark; and effects of desiccation and gibberellic acid on germinating of 'Su-2' walnut somatic embryonic embryo line were investigated. Survival of embryos was low (about 10%) or zero when loss of fresh weight was about 90% and dry matter was about 70%. The highest germinating percentages (13.3-23.3%) were obtained with about 40.4-77.3% of loss of fresh weight and 9.1-34.6% of dry matter of desiccated embryos in covered plates over saturated MgCl 2 .6H 2 …
The Effects Of Different Grafting Methods Applied By Manual Grafting Units On Grafting Success In Grapevines, Hüseyi̇n Çeli̇k
The Effects Of Different Grafting Methods Applied By Manual Grafting Units On Grafting Success In Grapevines, Hüseyi̇n Çeli̇k
Turkish Journal of Agriculture and Forestry
In this study, Amasya Beyazi and Alphonse Lavallee grape cultivars were grafted on 5 BB (V. berlandieri x V. riparia) rootstock by chip-budding, cleft and omega cut manual grafting units under nursery conditions in 1996 and 1997. Grafts were made on the 15 th of May. One-year-old rooted rootstocks were used in the experiment. The highest graft take was obtained from chip-budding, 87.00% for Amasya Beyazi, and 82.50% for Alphonse Lavallee. The takes of cleft and omega cut grafts were 81.00% and 74.25% for Amasya Beyazi, and 79.75% and 74.50% for Alphonse Lavallee, respectively. The highest rate of grafted grapevines …
The Effect Of Zinc On Alleviation Of Boron Toxicity In Tomato Plants (Lycopersicon Esculentum L.), Aydin Güneş, Mehmet Alpaslan, Yakup Çikili, Hesna Özcan
The Effect Of Zinc On Alleviation Of Boron Toxicity In Tomato Plants (Lycopersicon Esculentum L.), Aydin Güneş, Mehmet Alpaslan, Yakup Çikili, Hesna Özcan
Turkish Journal of Agriculture and Forestry
A greenhouse experiment involving four levels of boron (0, 5, 10 and 20 mg B kg -1) and the levels of zinc (0, 10 and 20 mg Zn kg -1) was conducted in tomato plants ( Lycopersicon esculentum L., cv., 'Lale'). Boron toxicity symptoms occurred at 10 to 20 mg kg -1 B levels. These symptoms were somewhat lower in the plants grown with applied Zn. Fresh and dry weights of the plants clearly decreased with applied B. However Zn treatments partially depressed the inhibitory effect of B on the growth. Increased levels of B increased the concentrations of B …
Effect Of Different Rootstocks On Fruit Characteristics Of Some Apple Cultivars, Sezai̇ Erci̇şli̇, Muharrem Güleryüz, Mürüvvet Pami̇r
Effect Of Different Rootstocks On Fruit Characteristics Of Some Apple Cultivars, Sezai̇ Erci̇şli̇, Muharrem Güleryüz, Mürüvvet Pami̇r
Turkish Journal of Agriculture and Forestry
This study was carried out to evaluate the effects of three rootstocks on yield and some fruit properties in apple cultivars grown in Erzincan plain for two successive years. In both years the highest fruit weights were recorded in seedling rootstocks (158.2 g and 170.1 g). The effect of the rootstocks on fruit height in 1995 and 1996 was significant but the effect on fruit diameter was not. The highest fruit height (67.14 and 68.89 mm) and fruit diameter (72.40 and 73.69 mm) were obtained in seedling rootstocks. The effects of rootstocks on fruit firmness were inconsistent in both years. …
The Effect Of Chemical Applications On Cuticular And Epidermal Properties Of Some Sweet Cherry Cultivars With Respect To Fruit Cracking Susceptibility, Leyla Demi̇rsoy, Şükri̇ye Bi̇lgener
The Effect Of Chemical Applications On Cuticular And Epidermal Properties Of Some Sweet Cherry Cultivars With Respect To Fruit Cracking Susceptibility, Leyla Demi̇rsoy, Şükri̇ye Bi̇lgener
Turkish Journal of Agriculture and Forestry
This study was carried out in Amasya during 1994 and 1995. The aim of this study was to determine the effect of various chemical applications before harvest on epidermal characteristics related with fruit cracking in some sweet cherry cultivars (0900 Ziraat, Lambert and Van). The trees of the cherry cultivars were sprayed with GA 3 (20 ppm), NAA (1 ppm), GA 3 +NAA (20+1 ppm), NAA+Ca(OH) 2 (1 ppm+0.7%), GA 3 +Ca(OH) 2 (20 ppm+0.7%) and GA 3 +NAA+Ca(OH) 2 (20 ppm+1ppm+0.7%) 30-35 days before harvest. In addition, there were multiple applications of Ca(OH) 2 (0.7%) at ten day intervals …
The Effects Of Storage Periods On Some Quality Features Of Various-Sized Potato Varieties, Kemalleti̇n Kara
The Effects Of Storage Periods On Some Quality Features Of Various-Sized Potato Varieties, Kemalleti̇n Kara
Turkish Journal of Agriculture and Forestry
In this study, the effects of storage periods on some quality features of various dimensioned potatoes types were examined (2.5-5.0 cm, 5.0-6.5 cm and greater than 6.5 cm). The effects of storage duration on all properties except for the dry matter content were statistically significant. It was observed that with the extension of storage period, weight gain of the tubers decreased, and the other properties were not stable. There was no statistical significance among the tuber sizes in terms of specific weight, dry matter, the ratio of starch and protein and chip productivity, but weight loss and fat absorption ratio …
Relationship Between Leaf Area Index At Anthesis And Yield In Wheat Under Çukurova Conditions, Müjde Koç, Celaleddi̇n Barutçular
Relationship Between Leaf Area Index At Anthesis And Yield In Wheat Under Çukurova Conditions, Müjde Koç, Celaleddi̇n Barutçular
Turkish Journal of Agriculture and Forestry
Wheat yields are closely related to leaf area index (LAI) at anthesis. The optimum leaf area index differs according to genotype and location conditions. Three field experiments were conducted to determine the pattern of the relationship between LAI at anthesis and yield in Çukurova , a region with an acclerated ear and grain growth. Different genotypes, seeding density and nitrogen doses were used to create a range of LAI. Biological yield (BY) and grain yield (GY) increased quadratically in response to LAI values, with greater responses for BY (R 2 =0.46**) than for GY (R 2 =0.35**). As LAI increased …
The Effects Of Some Plant Growing Regulators On The Rooting Of Capers (Capparis Spinosal), Durmuş Ali̇ Söyler, Neşet Arslan
The Effects Of Some Plant Growing Regulators On The Rooting Of Capers (Capparis Spinosal), Durmuş Ali̇ Söyler, Neşet Arslan
Turkish Journal of Agriculture and Forestry
The study was carried out in the greenhouse of the Department of Field Crops, Faculty of Agriculture, University of Ankara, in 1994. The experiment was conducted in split-plots design in randomised plots with four replications. Cuttings were treated with various concentrations of IBA; IAA and NAA at different periods to induce rooting. The best rootings, 28 % and 29 %, were achieved by treatment of the cuttings with 500 ppm IAA in April and 250 ppm IBA in May for 12h.
The Effects Of Block Size And Amount Of Brine On The Salt Absorption In White Pickled Cheese, Tümer Uraz, Nurşen Gencer
The Effects Of Block Size And Amount Of Brine On The Salt Absorption In White Pickled Cheese, Tümer Uraz, Nurşen Gencer
Turkish Journal of Agriculture and Forestry
In this research, the effects of cheese size and amount of brine on the salt absorption of white Pickled cheese were investigated. After manufacture, cheeses were portioned into sizes of 7x7x7±1 and 7x7x11±1 cm. Then these samples were salted for 5 hours in different brines of the same concentration (14 %) but in different amounts (s and 2s). These 4 different cheese samples (A, B, C, D) were packed in brine (14%) in cans which were suitable for each cheese size. Total dry matter, fat, total nitrogen, titratable acidity and pH value of raw milk and salt contents of the …
Heterotic Effects Regarding Salt Tolerance In Some Characters Of Barley (Hordeum Vulgare L.), Riza Yilmaz, Cahi̇t Konak
Heterotic Effects Regarding Salt Tolerance In Some Characters Of Barley (Hordeum Vulgare L.), Riza Yilmaz, Cahi̇t Konak
Turkish Journal of Agriculture and Forestry
The salt tolerance of some barley genotypes and their cross populations were evaluated at seedling stage in a greenhouse, and at the generative stage in a saline field in line x tester analysis. Promising crosses were determined through comparison of heterotic effects. Tokak-157/37 x LIGNEE-640, Quantum x MENTA "S" and Kaya-7794 x MENTA "S" were found to be superior cross combinations with respect to salt tolerance in both greenhouse and field conditions. In the cross populations, the highest- positive heterosis values were 25.00% for seedling emergence, 26.53% for root length, 66.27% for shoot length to root length ratio, 9.39% for …
Growth And Variations In Proline, Sodium, Chloride, Phosphorus And Potassium Concentrations Of Chickpea ( Cicer Arietinuml. Cvs.) Varieties Under Salinity Stress, Hesna Özcan, Murat Ali̇ Turan, Özlem Koç, Yakup Çikili, Süleyman Taban
Growth And Variations In Proline, Sodium, Chloride, Phosphorus And Potassium Concentrations Of Chickpea ( Cicer Arietinuml. Cvs.) Varieties Under Salinity Stress, Hesna Özcan, Murat Ali̇ Turan, Özlem Koç, Yakup Çikili, Süleyman Taban
Turkish Journal of Agriculture and Forestry
Under salinity stress, growth and variations in proline, Na, Cl, P and K concentrations of three chickpea varieties (Canitez- 87, ILC-195/2 and Damla), which are cultivated widely in Turkey, were investigated. For this purpose, experimental soil was salinized with 68 mmol kg ^{-1}NaCl. The salinity responses of chickpea varieties were compared by means of various plant parameters. According to the results, Damla was affected by salinity stress much more than Canitez-87 and ILC-195/2 cultivars. However, under salinity stress, the dry weight of the Damla variety was influenced much less than the others. Sodium and Cl contents were generally found to …
The Content Of Available And Slowly Available Potassium On Kahramanmaraş Plain, Gufran Geyi̇k, Kadi̇r Yilmaz
The Content Of Available And Slowly Available Potassium On Kahramanmaraş Plain, Gufran Geyi̇k, Kadi̇r Yilmaz
Turkish Journal of Agriculture and Forestry
The aim of this study was to determine the available and slowly available potassium capacity of soil samples collected from the Kahramanmaraş plain. Slowly available potassium content was determined by the HCl extraction method. Slowly available potassium was found at between 3 and 46 mg 100 g^{-1} at a depth of 0-15 cm, 1 and 33 mg 100 g^{-1} at a depth of 15-30 cm and 1 and 25 mg 100 g^{-1} at a depth of 30-45 cm. Slowly available potassium content decreased along with soil depth. Available potassium content also decreased with soil depth. A significance correlation (0.1%) was …
Change In Tissue Mineral Elemental Concentration During Root Initiation And Development Of Salvia Officinalis L. Cuttings And Iba Effects, Fi̇li̇z Ayanoğlu, Cevdet Fehmi̇ Özkan
Change In Tissue Mineral Elemental Concentration During Root Initiation And Development Of Salvia Officinalis L. Cuttings And Iba Effects, Fi̇li̇z Ayanoğlu, Cevdet Fehmi̇ Özkan
Turkish Journal of Agriculture and Forestry
Variations in the tissue elemental concentration in stem cuttings of sage ( Salvia officinalis) and the effects of IBA on the variation of plant nutrients and rooting were studied during the initiation and development of adventitious roots. In the study, three different treatments, 100 ppm, 200 ppm IBA application and no IBA application (control) were used on S. offic- inalis L. cuttings and on the 15 th and 30th days their rooting ability was investigated. In addition, macro and micro element con- centrations of cuttings were determined on the 1 st day, 15 th day (root initiation) and 30 th …
Investigation On The Use Of Sludge In Plant Propagation, Ulvi̇ Tolay, Yavuz Yavuzşefi̇k, Mustafa Tolay, Naci̇ Söğüt
Investigation On The Use Of Sludge In Plant Propagation, Ulvi̇ Tolay, Yavuz Yavuzşefi̇k, Mustafa Tolay, Naci̇ Söğüt
Turkish Journal of Agriculture and Forestry
The most beneficial and appropriate method for sludge resulting from food industry waste water treatment is composting with various kinds of bulking agents. During composting, the organic material in the sludge is degraded to a humus-like material that makes an excellent soil conditioner. In this investigation, sludge from yeast manifactured in the Pakmaya-D.zce Plant was composted with peat moss and corn stalk chips and used as plant growing media in containers. According to the results obtained from the investigation; 2 parts composted corn stalk chips with sludge + 1 part sandy loam soil and 20 % agricultural perlite mixture gave …
The Effect Of Soil Profile Depth On Fallow Efficiency Under Ankara Conditions, Oğuz Başkan, İlhami̇ Ünver
The Effect Of Soil Profile Depth On Fallow Efficiency Under Ankara Conditions, Oğuz Başkan, İlhami̇ Ünver
Turkish Journal of Agriculture and Forestry
The aim of this study was to compare the fallow efficiencies of shallow and deep soil profiles and to examine the effects of nitrogen fertilization on the grain yields in continuous wheat and fallow-wheat systems in the Ankara Region. The experimental study was conducted at the Beytepe (Lodumlu) Research Institute in two different fields. Soil moisture contents were determined at six depths between 0 and 90 cm in deep soil and four depths between 0 and 40 cm in shallow soil. Continuous wheat and fallow-wheat plots were fertilized with (NH_4)_2SO_4 in 2 kg/da and 4 kg/da N doses. The results …
Oxygen Delignification Of Wheat Straw Organosolv Pulp, Hüseyi̇n Kirici, Mustafa Usta, Mehmet Akgül
Oxygen Delignification Of Wheat Straw Organosolv Pulp, Hüseyi̇n Kirici, Mustafa Usta, Mehmet Akgül
Turkish Journal of Agriculture and Forestry
In this study, in order to determine optimum conditions for peroxide reinforced oxygen delignification of wheat straw organosolv pulps, five experiments were carried out changing the alkali ratio, peroxide charge and reaction time. After the statistical evaluations of the data obtained, optimum delignification conditions were found to be as follows: NaOH ratio 6%, H_2O_2 ratio 2.5%, reaction temperature 80 ^oC, reaction time 60 min., oxygen pressure 10 kg/cm^2 , concentration 16%. Thus; yield, viscosity and tear index of wheat straw organosolv pulps delignificated with oxygen added peroxide decreased by 18%, 20% and 18% respectively. In addition, residual lignin content of …
The Effects Of Press Direction, Wood And Glue Types To The Tensile Strength On "T" Joints With Mortise And Tenon, Mustafa Altinok, Ni̇hat Döngel, Cevdet Söğütlü
The Effects Of Press Direction, Wood And Glue Types To The Tensile Strength On "T" Joints With Mortise And Tenon, Mustafa Altinok, Ni̇hat Döngel, Cevdet Söğütlü
Turkish Journal of Agriculture and Forestry
The effects of press direction, wood and glue types on the tensile strength on "T" joints with mortise and tenon. Mortises and tenons were constructed and opened with a circular saw and glued to "T" joint members made of pine ( Pinus silvestris L.) , beech ( Fagus orientalis L.), chesnut ( Castenea sativa Mill.), cedar ( Cedrus libani), which are widely used in the furniture industry. "T" joints were bonded with side pressure and axial pressure with the following glues: Desmodur-VTKA, PVAc, PVA(pink) and Kleiberit 305. Tension tests were carried out on prepared samples according to DIN 53251 and …
Herbicide-Induced Resistance To Fusarium Wilt In Cotton And Gossypol Production Of Host Cells, Yeter Canihoş, Şener Kurt, Hülya Özgönen
Herbicide-Induced Resistance To Fusarium Wilt In Cotton And Gossypol Production Of Host Cells, Yeter Canihoş, Şener Kurt, Hülya Özgönen
Turkish Journal of Agriculture and Forestry
Pretreating cotton seeds with some herbicidies used in cotton-growing areas of the Çukurova region markedly increased cotton resistance to Fusarium wilt caused by Fusarium oxysporum f. sp. vasinfectum. Haloxyfob and linuron reduced the mycelial growth of the pathogen in both solid and liquid cultures. However, prometryn was more effective in plant development than linuron and haloxyfob. Synthesis of Phytoalexin gossypol was significantly produced in inoculated cotton plants compared with uninoculated control plants. Maximum amounts of gossypol production were obtained in herbicide-treated and inoculated cotton plants. Gossypol extracted from herbicide-treated plants markedly reduced the mycelial growth of the pathogen in vitro.
Determination Of Genotype X Environment Interactions Of Some Agronomic Characters In Dry Bean ( Phaseolus Vulgarisl.), Hati̇ce Bozoğlu, Ali̇ Gülümser
Determination Of Genotype X Environment Interactions Of Some Agronomic Characters In Dry Bean ( Phaseolus Vulgarisl.), Hati̇ce Bozoğlu, Ali̇ Gülümser
Turkish Journal of Agriculture and Forestry
In this study, genotype x environment interactions and stability of seed yield and some components of the dry bean were determined. The trials were conducted in the provinces of Çarsamba, Bafra and Samsun for two years and in Ladik for one year. Five registered varieties (Sahin-90, Esk-855, Yunus-90, Karacasehir-90, Yalova-5), two indigenous varieties (Horoz , Yerli) and seven lines (2685, 2691, 2715, 2770, 123, ABA-58 ve WA-6780-8) at 7 locations were evaluated for GxE interactions, and for the stability parameters of regression coefficient and mean square of deviation from the regression. The efects of genotype, environment and GxE interactions on …
Factors Affecting Iron Chlorosis Observed In Peach Trees In The Bursa Region, Haluk Başar
Factors Affecting Iron Chlorosis Observed In Peach Trees In The Bursa Region, Haluk Başar
Turkish Journal of Agriculture and Forestry
This research was implemented to determine the factors causing iron chlorosis observed in peach trees in the Bursa region. For this purpose, four peach orchards having trees with various degrees of chlorosis were selected. Soil and leaf samples were collected during a two year period. According to the results, chlorophyll, total Fe and active Fe contents of the leaves were negatively correlated with soil pH and lime (CaCO 3 ) and the active lime content of the soils. Significant positive correlations were found between organic matter content of the soils and chlorophyll, total Fe and active Fe content of the …
Effects Of Some Plant Residues On Nitrogen Mineralization And Biological Activity In Soils, Emi̇ne Erman Kara
Effects Of Some Plant Residues On Nitrogen Mineralization And Biological Activity In Soils, Emi̇ne Erman Kara
Turkish Journal of Agriculture and Forestry
The objective of this experiment was to determine the rate of decomposition and nitrogen mineralization of plant residues in soil under laboratory conditions. The experiment consisted of six treatments: control, industrial tobacco residues, rice straw, rice straw + mineral nitrogen, rice husks and rice husks+mineral nitrogen. The plant materials were added at a rate of 2000 mg/kgC and the amount of NH 4 + -N completed the C:N ratio of the added materials to 12.5. After adding the plant material the following measurements were carried out: soil respiration measurements 14 times, dehydrogenase activity 14 times, mineral nitrogen (ammonium and nitrate). …
Transfer Of A \Beta-Glucuronidase Reporter Gene To Sugarbeet (Beta Vulgaris L.) Via Microprojectile Bombardment, Sertaç Önde, Melahat Bi̇rsi̇n, Mustafa Yildiz, Cengi̇z Sancak, Murat Özgen
Transfer Of A \Beta-Glucuronidase Reporter Gene To Sugarbeet (Beta Vulgaris L.) Via Microprojectile Bombardment, Sertaç Önde, Melahat Bi̇rsi̇n, Mustafa Yildiz, Cengi̇z Sancak, Murat Özgen
Turkish Journal of Agriculture and Forestry
For the transfer of a \beta -Glucuronidase (GUS) reporter gene to sugarbeet (Beta vulgaris L.) callus and leaf explants by microprojectile bombardment, various rupture disk pressures and sample plate distances were tested. By coating the pBI221.23 DNA construct over the gold particles, bombardments were carried out by the DuPont PDS-1000/He system and the results clearly indicated the superiority of leaf explants over the callus structures as targets. The sample plate distances affected the distribution pattern of the particles and the cells expressing the GUS reporter gene were noted to be aggregated in short distances whereas longer distance shots yielded better …
Effect Of Zinc Microelement On Quality Of Some Wheat Cultivars Grown In Central Anatolia, Gülcan Kinaci
Effect Of Zinc Microelement On Quality Of Some Wheat Cultivars Grown In Central Anatolia, Gülcan Kinaci
Turkish Journal of Agriculture and Forestry
Almost half of the cultivated areas of Turkey have been found to be zinc deficient. This deficiency is even more serious in Central Anatolia, the large cereal-producing region. Zinc is an essential element for nourishing plants, and also for normal development and functioning of humans and animals. Meeting the daily zinc requirement from diet is very difficult for people whose daily energy intake is based on cereals. However, wheat bread by itself contributes 40-70 % of daily energy intake for Turkish people. One way to overcome this problem is by increasing the zinc content of wheat by applying zinc to …
Determination Of The Viability And Production Of Pollen And Suitable Pollen Germination Medium In Some Blackberry ( Rubus Fruticosusl.) Cultivars, Nurgül Türemi̇ş, Kubi̇lay Deri̇n
Determination Of The Viability And Production Of Pollen And Suitable Pollen Germination Medium In Some Blackberry ( Rubus Fruticosusl.) Cultivars, Nurgül Türemi̇ş, Kubi̇lay Deri̇n
Turkish Journal of Agriculture and Forestry
This research was conducted in the Small Fruits Implementation Area belonging to Çukurova University Agricultural Faculty Horticultural Department during the 1999 vegetation period. Nessy, Chester Thornless, Oregon Thornless and Jumbo blackberry cvs. were used. Pollen viability levels in these cultivars were determined by using TTC and FDA staining tests. In addition, the effects of 50, 100, 200 and 400 ppm concentrations of Ca(NO 3 ) 2 , MgSO 4 , KNO 3 and H 3 BO 3 on pollen germination were investigated. Pollen viability levels varied from 79.75 % (Oregon Thornless) to 91.94 % (Chester Thornless) in TTC, and 82.17 …
The Mechanical Properties Of Walnut (Juglans Regial.) Wood, Ramazan Kantay, Nusret As, Öner Ünsal
The Mechanical Properties Of Walnut (Juglans Regial.) Wood, Ramazan Kantay, Nusret As, Öner Ünsal
Turkish Journal of Agriculture and Forestry
Ten sample trees obtained from the Düzce region were tested for bending, impact bending, compression, hardness, Cleavage and Shear strength. The relationships between strength and density were investigated. The results obtained were as follows: average density value 0.52 g/cm^3. Bending strength 102.3 N/mm^ 2 , impact bending 0.54 kN/cm; compression strength 38.8 N/mm^ 2 ; hardness (Janka), on cross section 59.2 N/mm^ 2 , radial section 39.3 N/mm^ 2 , tangential section 37 N/mm^ 2 ; cleavage strength, radial 0.68 N/mm^ 2 ; tangential 0.95 N/mm^ 2 ; shear strength, radial 7.9 N/mm^ 2 , tangential 10.1 N/mm^ 2 . …
Anatomical And Histological Investigations On The Effects Of Stratification Substrates On Final Take And Quality Of Grafted Vines, Rüstem Cangi̇, Fi̇kret Balta, Adnan Doğan
Anatomical And Histological Investigations On The Effects Of Stratification Substrates On Final Take And Quality Of Grafted Vines, Rüstem Cangi̇, Fi̇kret Balta, Adnan Doğan
Turkish Journal of Agriculture and Forestry
This experiment was carried out to determine the effects of water, sawdust and pumice as stratification substrates on the success of callusing, final take and quality of grafted vines of the Hafizali and Ercis grape cultivars grafted on Kober 5BB rootstock. The anatomical and histological development of the graft union was investigated at 21, 28, 35 and 42 days after grafting in all combinations. As for the results of the anatomical and histological investigations, it was observed that the cambial continuity between graft components in all combinations was mostly established in 21 days, and completed in 28-35 days in water …
Cytological Research On 5 Grass Pea (Lathyrus Sativusl.) Lines, Yaşar Karadağ, Uğur Büyükburç
Cytological Research On 5 Grass Pea (Lathyrus Sativusl.) Lines, Yaşar Karadağ, Uğur Büyükburç
Turkish Journal of Agriculture and Forestry
This research was carried out to determine the cytological characteristics of 5 grass pea lines (numbers 452, 439, 455, 463 and 38) selected as being promising for the conditions of Tokat, from 13 lines originating from ICARDA. All of the lines studied had a chromosome number of 2n=14. It was determined that all chromosomes II and V of lines 439 and 455 carried 1 satellite on their short arms and chromosomes II and VI of the line 452 and the chromosomes II and IV of line 463 also had a satellite on their short arms. The satellites were longer than …
The Use Of Geographical Information Systems In Selecting Forest Road Routes, Orhan Erdaş, Selçuk Gümüş
The Use Of Geographical Information Systems In Selecting Forest Road Routes, Orhan Erdaş, Selçuk Gümüş
Turkish Journal of Agriculture and Forestry
During the forest road planning process, the determination of road routes requires the evaluation of many factors. The data needed for forest road planning are obtained from different sources with different standards. The variation in data sources causes problems in the effective and collective usage of these data. Geographical Information Systems is a frequently used tool in the decision making progress. It use database queries to find the best solution requiring the least time and money. In this study, the forest road routes on digital map are prepared in order to reach each point of the area of the planning …