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Articles 1 - 30 of 245
Full-Text Articles in Forest Sciences
Volume Equations And Volume Tables For Black Pine In Taşköprü, Hakki Yavuz
Volume Equations And Volume Tables For Black Pine In Taşköprü, Hakki Yavuz
Turkish Journal of Agriculture and Forestry
In this study, single, double and multiple-entry tree volume equations were constructed according to six performance criteria (average residuals or bias, average absolute residuals, standard deviation of residuals or presicion, coefficient of determination, percent total error and percent absolute mean error) for black pine (Pinus nigra Arn. Subs. Pallasiana) in Taşköprü Forest District. The results indicate that the best volume equations chosen from each equation systems can be used for black pine in Taşköprü Forest District at the 0.05 significant level.
Salt Tolerance In Eagean Region's Wheats, Cahi̇t Konak, Riza Yilmaz, Olcay Arabaci
Salt Tolerance In Eagean Region's Wheats, Cahi̇t Konak, Riza Yilmaz, Olcay Arabaci
Turkish Journal of Agriculture and Forestry
The study was conducted to determine seedling stage tolerances to salinity stress of 7 bread wheat and 2 durum wheat cultivars which were widely grown in Eagean Region. The experiment comprised on two factors, salt (NaCl) concentrations (control, EC values 8, 16 and 24 mmhos/cm) and wheat genotypes. A split plot design was partitioned into 3 blocks representing a replication as salt concentration and each replication was devided into sub plots as cultivars. The characteristics such as rate of seedling emergence, length of shoot and root, dry weight of shoot and root, total dry weight, salt tolerance indexes were screened. …
Effects Of Coating With Melamine Impregnated Papers On Technical Properties Of Particleboard, Gökay Nemli̇, Hülya Kalaycioğlu
Effects Of Coating With Melamine Impregnated Papers On Technical Properties Of Particleboard, Gökay Nemli̇, Hülya Kalaycioğlu
Turkish Journal of Agriculture and Forestry
Boards of 18 mm and 12 mm thickness with a specific gravity of 0.70 g/cm^3 were used in this study. Some of these boards were coated with melamine-impregnated papers. The bending strength, modülus of elasticity, bonding strength, screw holding and formaldehyde emission of boards stored for, in turn, one day, one week, one month and three months were recorded during the experiments. It was concluded that coating with melamine impregnated papers improved the mechanical properties of particleboards and that formaldehyde emission was remarkably reduced. Board thickness was found to have an effect on all mechanical properties of particleboard except for …
Variations Of Fatty Acid Composition According To Some Morphological And Physiological Properties And Ecological Regions In Oilseed Plants, Hasan Baydar, İsmai̇l Turgut
Variations Of Fatty Acid Composition According To Some Morphological And Physiological Properties And Ecological Regions In Oilseed Plants, Hasan Baydar, İsmai̇l Turgut
Turkish Journal of Agriculture and Forestry
Fatty acid composition of 14 different vegetable oils obtained from sunflower (Helianthus annuus L.), safflower (Carthamus tinctorius L.), soybean (Glycine max (L.) Merr.), corn (Zea mays L.), peanut (Arachis hypogaea L.), sesame (Sesamum indicum L.), cotton (Gossypium hirsitum L.), rape (Brassica napus L.), poppy (Papaver somniferum L.), tabacco (Nicotiana tabacum L.), cephalaria (Cephelaria syriaca L.), flax (Linum usitatissimum L.) and camalia (Camalina sativa L.) seeds and olive (Olea europea L.) were compared in this study. The position effects in safflower, different seed colours in sesame and poppy, seed development stages in rape and different ecological local varieties in sesame were …
Investigations On The Fertilization Biology Of Some Sweet Cherry Varieties Grown In Pozantı Ecological Conditions, Mehmet Sütyemez, Si̇nan Eti̇
Investigations On The Fertilization Biology Of Some Sweet Cherry Varieties Grown In Pozantı Ecological Conditions, Mehmet Sütyemez, Si̇nan Eti̇
Turkish Journal of Agriculture and Forestry
In this study, fertizilation biology of 7 cherry varieties (Sarı, Ömerli, Aksehir Napolyonu, 0900 Ziraat, Merton Marvel, Merton Bigarreau and Noble) was investigated between 1992 and 1993 in Pozanti Research Center. For this purpose, fruit set level in free pollination, self and cross pollination; fruit weight, seed weight, fruit flesh/seed weight ratio, TSS, were examinated. For Sari and Noble all varieties were found to be good pollinizers. Fruit set level changed between 1 % and 45 %. Different pollinizers did not have significant effect on the fruit quality criteria.
Strength Of Individual Soil Aggregates Against Crushing Forces I. Influence Of Aggregate Characteristics, Taşkin Öztaş, Koray Sönmez, Mustafa Y. Canbolat
Strength Of Individual Soil Aggregates Against Crushing Forces I. Influence Of Aggregate Characteristics, Taşkin Öztaş, Koray Sönmez, Mustafa Y. Canbolat
Turkish Journal of Agriculture and Forestry
This study was undertaken to determine the relative strength of individual soil aggregates of different sizes and shapes against crushing forces. Soil aggregates were placed individually between a clean-fixed flat surface and a flat plate connected to a pocketpenetrometer and crushed under applied stress. The results of this study show that the strength of the aggregates against disruptive forces was directly related to aggregate size and shape. As the aggregate size increased, so did the applied stress required to crush the aggregate. Significant relationships were found between applied stress and the mass, volume, average diameter (D avg ) and geometric …
Strength Of Individual Soil Aggregates Against Crushing Forces Ii. Influence Of Selected Soil Properties, Taşkin Öztaş, Mustafa Y. Canbolat, Koray Sönmez
Strength Of Individual Soil Aggregates Against Crushing Forces Ii. Influence Of Selected Soil Properties, Taşkin Öztaş, Mustafa Y. Canbolat, Koray Sönmez
Turkish Journal of Agriculture and Forestry
The objective of this study was to determine the influence of selected soil properties on the relative strength of individual oil aggregates against crushing forces. Soil aggregates were crushed between a flat surface and a flat plate connected to a pocket penetrometer. Significant relationships were found between dry-aggregate stability and the clay content, sand content, CEC and ESP of the soils studied. There was also a significant positive correlation between dry-aggregate stability and wet-aggregate stability (r=0.94**). No significant relationships were found between dry-aggregate stability and silt content, organic matter content, CaCO 3 content or pH. Stepwise multiple regression analysis indicated …
Effect Of The Environmental Temperature On The Degradation Period Of Carbaryl, Ahmet Uyanik, Mustafa Özdemi̇r
Effect Of The Environmental Temperature On The Degradation Period Of Carbaryl, Ahmet Uyanik, Mustafa Özdemi̇r
Turkish Journal of Agriculture and Forestry
In this study, the effect of the temperature on the degradation period of Carbaryl (Sevin), a widely used outdoor and indoor insecticide, was investigated in a laboratory in soil and on green plants by using a new quantitative TLC (Thin Layer Chromatography) method. The experimental temperature conditions were 40°C , 16°C and 5°C for soil and 15°C for green plants. The results which were evaluated by photocopying of the TLC spots on a graph paper and square counting showed that carbaryl degradation is a first order reaction and the temperature dependent half-life of the degradation takes grater than four weeks …
Cultivation Of Pleurotus Floridaon Forest And Agricultural Wastes By Leaves Of Tree And Wood Waste, Hüseyi̇n Si̇vri̇kaya, Hüseyi̇n Peker
Cultivation Of Pleurotus Floridaon Forest And Agricultural Wastes By Leaves Of Tree And Wood Waste, Hüseyi̇n Si̇vri̇kaya, Hüseyi̇n Peker
Turkish Journal of Agriculture and Forestry
Some forest and agricultural wastes of Eastern Black Sea Region of Turkey were subjected to mushroom ( Pleurotus florida) cultivation in this study. 1:1, 1:3 and 3:1 (w:w) mixtures were prepared mainly by tree leaves wood wastes of timber work shops, cupola of nut trees (NC) and leaves (NL), corn stalks (CS), waste tea leaves (WTL) of tea factories, wheat straw (WS) and waste paper(WP). P.floridaof which the strain was numbered darmycel by Fungi Perfect co. (USA) was used in inoculations of pre-pared series of substrates after being sterillized in an autoclave by direct vapor. Results indicated that wood waste …
Comparison Of The Centroid Method And Four Standard Formulas For Estimating Log Volumes, Hakki Yavuz
Comparison Of The Centroid Method And Four Standard Formulas For Estimating Log Volumes, Hakki Yavuz
Turkish Journal of Agriculture and Forestry
Centroid Samling was tested on 21 logs of Ash ( Fraxinus angustifolia subsp. oxycarpa), 38 logs of Spruce ( Picea orien-talis (L.) Link.), and 33 logs of Beech ( Fagus orientalis Lipsky.) all of which were measured in detail. The wolume of each log was estimated using Huber's, Smalian's, Newton, Riecke's, Hosfeld's formulas and Centroid Sampling. These estimates were compared with "true" volume of each log which was determined by aggregating the volumes of measured short sections (1 m.) using Smalian's formula. The mean error of the Centroid estimate of the log volumes was not significant for Fraxinus angustifoliasubsp. oxycarpa, …
Comparing Tillage Techniques By Using A New Infiltration Methodfatih Topaloğlu, Fati̇h Topaloğlu
Comparing Tillage Techniques By Using A New Infiltration Methodfatih Topaloğlu, Fati̇h Topaloğlu
Turkish Journal of Agriculture and Forestry
A one-year field trial in Italy was carried out for comparing tillage systems such as 50 cm chiselling (CH), 40 cm plow-till (PT40) and 20 cm plow-till (PT20) according to results of a new developed infiltration method. Ponded infiltration rates were measured to obtain the field saturated hydraulic conductivity (K fs ) using single ring infiltrometers on six dates with six replications in three sites on a sandy clayey loam soil. In both PT20 and CH plots, K fs after tillage increased temporarily to a value of about 4 and 9 times greater than that observed before tillage, respectively. However, …
The Effects Of Wood Bleaching Chemicals On Thebending Strength Of Wood, Burhanetti̇n Uysal, Musa Atar, Ayhan Özçi̇fçi̇
The Effects Of Wood Bleaching Chemicals On Thebending Strength Of Wood, Burhanetti̇n Uysal, Musa Atar, Ayhan Özçi̇fçi̇
Turkish Journal of Agriculture and Forestry
The aim of this research was to determine the effects of bleaching chemicals on the bending strength of wood. For this purpose, sodium hydroxide + hydrogen peroxide, sodium hydroxide + calcium hydroxide + hydrogen peroxide, hypochlorite and hydrochloric acid were applied to pine (Pinus sylvestris L.), oriental beech (Fagus orientalis Lipsky), ash (Fraxinus excelsior L.) and oak (Quercus petraea spp.) for bleaching. The results indicate that the hypochlorite and hydrochloric acid solutions caused the greatest decrease in the bending strength of the woods used in the experiment.
Shear And Bending Strength Of Some End To End Grained Jointsprepared From Scotch Pine, Hani̇fi̇ Tokgöz, Ayhan Özçi̇fçi̇, Musa Atar, Burhanetti̇n Uysal
Shear And Bending Strength Of Some End To End Grained Jointsprepared From Scotch Pine, Hani̇fi̇ Tokgöz, Ayhan Özçi̇fçi̇, Musa Atar, Burhanetti̇n Uysal
Turkish Journal of Agriculture and Forestry
This study was carried out to determine the shear and bending strength of different end-to-end grain joints, which were glued with PVAc (polyvinyl acetate). For this reason, specimens, prepared from scotch pine (Pinus sylvestris l), were made with three types of end to end grain joints namely: half-lap, mortise and tenon and double mortise-and-tenon. End-to-end grain of half-lap joints gave the highest strength in shear (2.385 N/mm 2 ) and bending (0.540 N/mm 2 ) experiments.
Leaf Area Prediction Models ( Uzçelik-I) For Different Horticultural Plants, Sezgi̇n Uzun, Hüseyi̇n Çeli̇k
Leaf Area Prediction Models ( Uzçelik-I) For Different Horticultural Plants, Sezgi̇n Uzun, Hüseyi̇n Çeli̇k
Turkish Journal of Agriculture and Forestry
A total of 343 leaves were selected randomly from fifteen different horticultural plants, that are widely grown under Samsun ecological conditions. Lamina width, length and leaf area were measured. The plants were divided into three groups according to lamina shape, plants with similar shapes being put into the same group for developing an equation to predict their leaf areas. The first group of plants included avocado species [1], lotus plum used as persimmon rootstock [2], 52 ÜN 13 selected persimmon type [3], Hayward kiwifruit cultivar [4], Bonica F1 aubergine [5] and Yalova F1 pepper [6]. The second group included GAP …
Chemical And Agronomical Weed Control In Chickpea (Cicer Arietinum L. Cv. Aziziye-94), Fai̇k Kantar, Erdal Elkoca, Hüseyi̇n Zengi̇n
Chemical And Agronomical Weed Control In Chickpea (Cicer Arietinum L. Cv. Aziziye-94), Fai̇k Kantar, Erdal Elkoca, Hüseyi̇n Zengi̇n
Turkish Journal of Agriculture and Forestry
This study was conducted in order to investigate the effect of 9 herbicides (Linuron, Methabenzthiazuron, Terbutryne, Imazethapyr, Pluazifop-P-butyl, Terbutryne+Propyzamide, Methabenzthiazuron+Propyzamide, Linuron+Propyzamide, Terbutryne+Fluazifop-P-butyl) in comparison with a weedy control and hand weeding on seed and biomass yield of chickpeas (cv. Aziziye-94) under Erzurum's dry conditions in 1996 and 1997. Data were collected on the number and density of weed species, seed yield and total biomass yield in both years. Year x treatment interacion was significant with yields being generally lower in the dry year of 1996 than in the normal conditions of 1997. In both years Terbutryne+Fluazifop-P-butyl, Imazethapyr, Linuron+Propyzamide applications were …
Development And Fecundity Of Aphis Gossypii Glover (Homoptera: Aphididae) On Three Malvaceae Hosts, Serdar Satar, Ulrich Kersting, Nedi̇m Uygun
Development And Fecundity Of Aphis Gossypii Glover (Homoptera: Aphididae) On Three Malvaceae Hosts, Serdar Satar, Ulrich Kersting, Nedi̇m Uygun
Turkish Journal of Agriculture and Forestry
Aphis gossypii Glover (Homoptera, Aphididae) obtained from cotton fields near Adana in the east Mediterranean region of Turkey were colonized on Gossypium hirsutumL. Çukurova 1518 in a climatic room. The effect of host transfer from cotton to common mallow, Malva sylvestris L., and okra, Abelmoschus esculentus (L.) Moench 'Bamya 501', on performance of A. gossypii was studied at constant 25 ± 1°C, 60 ± 5 % relative humidity and 16 h of artificial light (5000 lux) in temperature cabinets. Three subsequent generations of A. gossypii from cotton were additionally tested on okra. Fecundity tables were constructed to compare the performance …
The Effects Of Different Amino Acid Chelate Foliar Fertilizers On Yield, Fruit Quality, Shoot Growth And Fe, Zn, Cu, Mn Content Of Leaves In Williams Pear Cultivar ( Pyrus Communis L.), A. İlhami̇ Köksal, Hati̇ce Dumanoğlu, Nurdan Tuna Güneş, Mehmet Aktaş
The Effects Of Different Amino Acid Chelate Foliar Fertilizers On Yield, Fruit Quality, Shoot Growth And Fe, Zn, Cu, Mn Content Of Leaves In Williams Pear Cultivar ( Pyrus Communis L.), A. İlhami̇ Köksal, Hati̇ce Dumanoğlu, Nurdan Tuna Güneş, Mehmet Aktaş
Turkish Journal of Agriculture and Forestry
In this study, utility opportunities of three different amino acid chelate foliar fertilizers in Williams pear trees ( Pyrus communis L.) on seedling for reduction in yield, fruit quality and growth resulted from direct irregularities such as yellowing, browning and falling of leaves in early season were investigated. By this aim, the effects of fertilizers applied three times at 15 days of intervals on total yield, yield per trunk cross section unit area, fruits size, firmness, total soluble solids and titretable acidity, shoot length and Fe, Zn, Cu, Mn content of leaves were determined. Especially amino acid chelated-Fe increased total …
Effect Of Subsequent Simulated Rainfalls On Runoff And Erosion, Günay Erpul, Mustafa R. Çanga
Effect Of Subsequent Simulated Rainfalls On Runoff And Erosion, Günay Erpul, Mustafa R. Çanga
Turkish Journal of Agriculture and Forestry
Hydraulic properties of soils and soil erodibility are expected to vary after rainfall because of the impact energy of raindrops. Resistance both to rainfall detachment and to runoff detachment might differ after rainfall, and temporal changes in soil erodibility take place. The main objective of this study was to evaluate the effects of subsequent rainfalls (namely the 2nd rainfall) on runoff and erosion, especially sheet and splash erosion. Forty rainfall events in laboratory condition were conducted on Kule clay loam and Musaagili silt loam. Two consecutive rainfalls at an intensity of 60 mm h -1 were applied to soil trays …
The Ammonium Fixation In Great Soil Groups Of Tokat Region And Some Factors Affecting The Fixation I. The Affect Of Potassium On Ammonium Fixation, Kenan Kiliç, M. Rifat Deri̇ci̇, Kadi̇r Saltali
The Ammonium Fixation In Great Soil Groups Of Tokat Region And Some Factors Affecting The Fixation I. The Affect Of Potassium On Ammonium Fixation, Kenan Kiliç, M. Rifat Deri̇ci̇, Kadi̇r Saltali
Turkish Journal of Agriculture and Forestry
The objective of this study was to evaluate the fixation of ammonium in the soils of Tokat region to find out the important factors influencing them. For this purpose 12 representative soil samples were collected from different Great Soil Groups in the region. The amount of ammonium fixed naturally in the samples was found between 41.62-66.90 ppm ammonium (0.29-0.47 me NH 4 -N/100 g. soil). The amounts of ammonium fixed by the soils where increasing amounts of ammonium applied were found between 0.63-1.29%. There was a significant effect from application of potassium to the soils on the fixation of ammonium. …
Problem Identification And Priority Setting In Agricultural Research: The Case Of The Eastern Margin Of Central Anatolia, Vedat Uzunlu, Ahmet Bayaner, Surendra P. S. Beniwal
Problem Identification And Priority Setting In Agricultural Research: The Case Of The Eastern Margin Of Central Anatolia, Vedat Uzunlu, Ahmet Bayaner, Surendra P. S. Beniwal
Turkish Journal of Agriculture and Forestry
Since the resources available to research institutes are scarce, and experimentation is the most costly phase of a research program, researchers must make sure that the possible solutions to identified problems have a high chance of success. Consequently, problems should be carefully prioritized for experimentation. Factors limiting increased productivity in crop production in the Eastern Margin of Central Anatolia (EMCA) along with agro-ecological factors, apart from political concern, are agronomic constraints. Limiting factors in livestock production are insufficient feed supply, poor conditions of natural grazing areas, and housing of animals. Increasing the adoption rate of the recommended production practices among …
Research On Yield, Essential Oil, Contents And Components Of Mint (Mentha) Species Indifferent Ecologies, Menşure Özgüven, Sali̇ha Kirci
Research On Yield, Essential Oil, Contents And Components Of Mint (Mentha) Species Indifferent Ecologies, Menşure Özgüven, Sali̇ha Kirci
Turkish Journal of Agriculture and Forestry
Mint oil demand is met by imports in Turkey. For this reason, this study was conducted to determine yields and essential oil contents and components of different Mentha piperita cultivars ( M. piperita Ucrainica, M. piperita Mitcham , M. piperita Bulgaristan 36, M. piperita Multimentha, M. piperita Prilubskaja-I) and Mentha species ( M. arvensis var. piperascens (L.), M. aquatica, M. spicata ssp. spicata) in Adana and Pozanti ecological conditions over two years. In Adana, they were harvested twice in the first year and once in the second year. In Pozanti, they were harvested once in both years. The total fresh …
Effects Of Temperature And Ripening Stage On The Respiration Rate Of Tomatoes, Ali̇ Batu
Effects Of Temperature And Ripening Stage On The Respiration Rate Of Tomatoes, Ali̇ Batu
Turkish Journal of Agriculture and Forestry
The effects of storage temperature and ripening stage on the ripening rate of freshly harvested tomatoes before storage were determined. Respiration was slower in tomatoes harvested at mature green stage of ripening, and the respiration rate increased until the tomatoes reached to the pink and light-red stages of maturity. The maximum CO 2 production occurred in toma-toes harvested at pink, light-red and red stages of maturity, whereas the minimum O 2 consumption occurred in tomatoes harvested at turning, pink and light-red stages of maturity. The highest levels of ethylene were produced by tomatoes harvested at breaking, turning and pink stages …
Determination Of Ampelographical Characters Of Grape Cultivarsgrown In Isparta (Atabey), Fevzi̇ Mustafa Ecevi̇t, Mustafa Kelen
Determination Of Ampelographical Characters Of Grape Cultivarsgrown In Isparta (Atabey), Fevzi̇ Mustafa Ecevi̇t, Mustafa Kelen
Turkish Journal of Agriculture and Forestry
The ampelographic characters of the Burdur dimriti, Siyah dimrit, Ak dimrit, Pembe gemre, Siyah gemre, Razaki, Danagözü, Acıkara, Kadınparmağı, Sariemin, Tilki kuyruğu, Arap büzgülü and Siyah büzgülü grape cultivars which are grown in the Atabey district of the Isparta Province, were determined in accordance with the international norms.
Investigation Of Genotype X Planting Time Interaction By Using Ammi Statistical Model Inpotatoes, Meti̇n B. Yildirim, Necdet Budak, Celal Çalişkan, Önder Çaylak
Investigation Of Genotype X Planting Time Interaction By Using Ammi Statistical Model Inpotatoes, Meti̇n B. Yildirim, Necdet Budak, Celal Çalişkan, Önder Çaylak
Turkish Journal of Agriculture and Forestry
In studies on potato planting time, the main effects of genotype and planting time were determined by variance analysis and are discussed. However, the main specific causes of interaction were not demonstrated clearly. Five potato genotypes (Resy, 81028/1, Sultan, Granola and Yaylakizi) were planted on six different dates (January 30, February 10, February 20, February 28, March 10 and March 20) in three different years (1993, 1994 and 1995). Tuber yield data were analysed with the AMMI (Additive Main Effects and Multiplicative Interaction) statistical model. The results showed that the January 30, February 10 and March 20 planting times had …
The Effect Of Some Boron Compounds And Water Repellents On The Fire Resistanceproperties Of Scotch Pine Wood, Yalçin Örs, Musa Atar, Hüseyi̇n Peker
The Effect Of Some Boron Compounds And Water Repellents On The Fire Resistanceproperties Of Scotch Pine Wood, Yalçin Örs, Musa Atar, Hüseyi̇n Peker
Turkish Journal of Agriculture and Forestry
This investigation was designed to improve the fire-resistance properties of polyethlene glycole (PEG-400) and some water repellent solutions used to improve the flammability properties of wood. For this reason, samples from Scotch pine wood were impregnated according to ASTM-D 1413-76 boric acid, borax, sodium perbo-rate diluted or dissolved in PEG-400 were used as a preservative materials, and paraffin, styrene, methylmethacrylate and wax were used as a water repellent materials. It was found that, compounds contained boron increased the water resistance properties and water repellents materials resulted in the same decreasing the flammability behavior of wood.
Apomictic Development In Tetraploid Red Clover ( Trifolium Pratensel.), Gönül Algan, H. Nurhan Bakar
Apomictic Development In Tetraploid Red Clover ( Trifolium Pratensel.), Gönül Algan, H. Nurhan Bakar
Turkish Journal of Agriculture and Forestry
This study was carried out in order to determine to what extent apomictic development would affect seed formation in the natural tetraploid red clover variety E2. Some Taracaxum-type and lxeris-type development, was determined. It was concluded that embryo sac development did not occur through aposporous development whereas it could occur through diplosporous devel-opment.
The Effect Of Drought On The Growth And Yield Of Winter Wheat, Ali̇ Öztürk
The Effect Of Drought On The Growth And Yield Of Winter Wheat, Ali̇ Öztürk
Turkish Journal of Agriculture and Forestry
The effect of drought on the growth and yield of "Dogu-88" winter wheat variety was investigated in this field experi-ment using plot covers. Fully irrigated (FI), rainfed (R), early drought (ED), late drought (LD) and continuous drought (CD) treat-ments were studied under Erzurum conditions. ED decreased grain number per unit area by 44.4 %, 1000 kernel weight by 6.9 % and grain yield by 40.6 % compared with FI. A rapid senescence of green tissues in LD treatment also led to shorter green area duration (27.5 days), lighter 1000 kernel weight (3.8 g) and lower grain yield (24.0 %). CD …
The Effects Of Different Preservation Chemicals And Finishing On Wood Combustion Properties In Pinus Sylvestrisl. And Castanea Sativa Mill., Yalçin Örs, Musa Atar, Hüseyi̇n Peker
The Effects Of Different Preservation Chemicals And Finishing On Wood Combustion Properties In Pinus Sylvestrisl. And Castanea Sativa Mill., Yalçin Örs, Musa Atar, Hüseyi̇n Peker
Turkish Journal of Agriculture and Forestry
In this study, changes in combustion properties in solid wood treated with different chemicals and varnishes were investigated. Wood samples prepared from Scotch pine ( Pinus sylvestris L.) and chestnut ( Castanea sativa Mill.) were impregnated with tanalith-CBC, water repellent (WR) solutions + synthetic varnish and WR + polyurethane varnish. Afterwards, synthetic and polyurethane varnishes were applied to the surfaces. Varnishing had the initial effect of fire retardation in both Scotch pine and chestnut impregnated with tanalith-CBS. Loss of weight was found to be 20% in chestnut samples and 13% in Scotch pine samples. However, varnishes did not affect combustion …
Effects Of Timing, Iba And Putrescine On Rooting And Shooting In Pyrus Elaeagrifolia Pall., Softwood Cuttings, Hati̇ce Dumanoğlu, Ahmet Aygün, Ayşen Alay, Nurdan Tuna Güneş, Mücahi̇t Taha Özkaya
Effects Of Timing, Iba And Putrescine On Rooting And Shooting In Pyrus Elaeagrifolia Pall., Softwood Cuttings, Hati̇ce Dumanoğlu, Ahmet Aygün, Ayşen Alay, Nurdan Tuna Güneş, Mücahi̇t Taha Özkaya
Turkish Journal of Agriculture and Forestry
The effects of 0, 1000, 4000, 8000 and 10000 ppm IBA, and the combination of 150 ppm putrescine with 4000 and 8000 ppm IBA on the rooting and shooting of softwood cuttings was examined. The cutting were at three different times, from both "Ahlat 1" (grey ahlat) and "Ahlat 2" (bright ahlat) types of Pyrus elaeagrifolia Pall. and from the "Ankara" pear cultivar of Pyrus communis L. The best results for both types of Pyrus elaeagrifolia Pall. were obtained in the first set of softwood cutings. In these cuttings the rooting percentage, rooting level (0-4), root length, dry root weight, …
Relationships Between Stem Rust ( Puccinia Graminis Triticieriks. And Henn.) Resistances And Morphological Traits In Some Wheat (Triticumspp.) Hybrids, Hakan Ulukan, Murat Özgen
Relationships Between Stem Rust ( Puccinia Graminis Triticieriks. And Henn.) Resistances And Morphological Traits In Some Wheat (Triticumspp.) Hybrids, Hakan Ulukan, Murat Özgen
Turkish Journal of Agriculture and Forestry
This research was carried out to determine whether dominant morphological features could be used instead of disease tests as markers of lines resistant to stem rust ( Puccinia graminis tritici Eriks. and Henn.). Of the 13 species used as material in the hybridization program, 9 were non-resistant and 4 were resistant. Experiments were carried out separately, because of the different genetic structure in seedling resistance and adult resistance. It was determined that in view of the morphological characters examined; auricle colour, leaf colour and leaf waxiness in seedling resistance, and grain glumaceouss, spike brittleness and awn dentiness in adult resistance …