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Articles 31 - 60 of 98
Full-Text Articles in Agriculture
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 …
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 …
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 …
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. …
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 …
The Effects Of Different Locations And Hormone Doses On The Rooting Of Cuttings Of Karabaş Lavender (Lavandula Stoechas L.) Grown In The Flora Of Hatay, Fi̇li̇z Ayanoğlu, Ahmet Mert, Durmuş Alpaslan Kaya
The Effects Of Different Locations And Hormone Doses On The Rooting Of Cuttings Of Karabaş Lavender (Lavandula Stoechas L.) Grown In The Flora Of Hatay, Fi̇li̇z Ayanoğlu, Ahmet Mert, Durmuş Alpaslan Kaya
Turkish Journal of Agriculture and Forestry
The intensive growing areas of Karabaş lavender were first determined in the province of Hatay. The rooting capabilities of the cuttings of Karabaş Lavender which were gathered from different locations, one (Işİklİ) on the coast of Mediterranean and the other one (Narlİca) near Antakya, were investigated. The cuttings were treated with 1 000, 2 000 and 4 000 ppm IBA doses and the cuttings with no IBA treatment were used as control. The effects of IBA on rooting were investigated. The rooting ratios of the cuttings gathered from Işİklİ were higher than those of the cuttings gathered from Narlİca. The …
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 …
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 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 …
An Investigation On The Pollen Production Capacities And Germination Rates Of Some Strawberry Cultivars, Fatma Koyuncu, Hüdai̇ Yilmaz, M. Ati̇lla Aşkin
An Investigation On The Pollen Production Capacities And Germination Rates Of Some Strawberry Cultivars, Fatma Koyuncu, Hüdai̇ Yilmaz, M. Ati̇lla Aşkin
Turkish Journal of Agriculture and Forestry
This investigation was conducted to determine the pollen germination rates and the pollen production capacities of some strawberry cultivars grown in Van ecological conditions. The experiments were carried out at the Department of Horticulture, Faculty of Agriculture, University of Yüzüncü Yıl in 1997-1998. The examinations of pollen germinations were done in vitro by the 'agar in plate' method (0, 10, 15, and 20 % sucrose solutions with 1 % agar). The pollen production capacities were determined by the hemacytometric method. Seven strawberry cultivars (Cruz, Tufts, Brio, Tioga, Vista, Aliso and 216), which were tested in germination experiments, gave the best …
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 . …
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 …
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 …
Agronomic And Technological Properties Of Coriander ( Coriandrum Sativum L.) Populations Planted On Different Dates, Nermi̇n Kaya, Güngör Yilmaz, İsa Telci̇
Agronomic And Technological Properties Of Coriander ( Coriandrum Sativum L.) Populations Planted On Different Dates, Nermi̇n Kaya, Güngör Yilmaz, İsa Telci̇
Turkish Journal of Agriculture and Forestry
This research was conducted to determine suitable sowing dates and the potential productivity of coriander (Coriandrum sativumL.), grown in the Mardin, Denizli and Erzurum districts, at Tokat ecological conditions in 1997 and 1998 vegetation periods. Three local populations from Mardin, Denizli and Erzurum were sown on four different dates (1 November, 1 March, 15 March and 1 April). The highest seed yield was obtained from the Erzurum population as 908 kg/ha. The greatest essential oil ratio was recorded from the Denizli population with 0.39%. Linalool which is main component of coriander essential oil varied from 50.52- 92.52. Plant height (48.6-73.2 …
Effect Of Potassium And Magnesium Fertilization On Yield And Nutrient Content Of Rice Crop Grown On Artificial Siltation Soil, Abdülreşi̇t Brahi̇, M. Rüştü Karaman, M. Turgut Topbaş, Ari̇f Aktaş, Erdi̇nç Savaşli
Effect Of Potassium And Magnesium Fertilization On Yield And Nutrient Content Of Rice Crop Grown On Artificial Siltation Soil, Abdülreşi̇t Brahi̇, M. Rüştü Karaman, M. Turgut Topbaş, Ari̇f Aktaş, Erdi̇nç Savaşli
Turkish Journal of Agriculture and Forestry
The main purpose of this study was to determine the effect of potassium and magnesium fertilization on the yield and N, P, K, Mg, Fe, Cu, Zn, Mn contents of rice crop grown on soil used for cultivation after siltation from the Kelkit River. The experiment was carried out in a randomised block design with 4 replications, using Riba rice grown in pots containing 5 kg of soil. Potassium, K 2 SO 4 , at 0, 20, 40, 60 and 80 kg K 2 O/ha and magnesium, MgO, at 0, 20, 40, 60 and 80 Mg/ha were applied before sowing. …
Characterization Of Some Regosols In The Bursa Plain, Cumhur Aydinalp
Characterization Of Some Regosols In The Bursa Plain, Cumhur Aydinalp
Turkish Journal of Agriculture and Forestry
In the Bursa plain, Regosols are extensively cultivated soils for horticultural crops and irrigated by water from aquifers. These soils are quite widespread on the west side of the plain and developed on different types of parent materials. This research was carried out to determinate genesis and classification of the Regosols developed on calcareous colluvium material. Five soil profiles were examined in this research and their characterization included field morphology and physico-chemical analysis. The soils were classified according to the systems of FAO/Unesco (1990), FitzPatrick (1988), and USDA Soil Taxonomy (1994). The soils show high sand and calcium carbonate contents …
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 …
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 …
A Study On The Determination Of Erodibilities Of The Sloping Agricultural Soils In The City Of Bursa And Vicinity Against Water Erosion In Laboratory Conditions, Zeynal Tümsavaş, A. Vahap Katkat
A Study On The Determination Of Erodibilities Of The Sloping Agricultural Soils In The City Of Bursa And Vicinity Against Water Erosion In Laboratory Conditions, Zeynal Tümsavaş, A. Vahap Katkat
Turkish Journal of Agriculture and Forestry
The aim of this research was to determine the relationships between runoff, soil loss and soil properties and the erodibilities of soils. For this purpose, soil samples were taken in the city of Bursa and vicinity from sloping agricultural lands belonging to the major soil groups: Red Brown Medditernean, Brown Forest, Noncalcareous Brown Forest and Rendzina. This study was carried out in laboratory conditions. Soil samples were used after sieving with 8 mm sieves, and taken from tillage depth from 68 different places in the research area. The samples were put into plots sized 50 x 100 x 15 cm. …
An Operations Research Application In The Particleboard Industry, Selman Karayilmazlar, Erdal Balaban
An Operations Research Application In The Particleboard Industry, Selman Karayilmazlar, Erdal Balaban
Turkish Journal of Agriculture and Forestry
In this study, a model was used for the optimization of product mix (the amounts of each product in the mixture) in particleboard industry by using linear programming. A theoretical model was constructed in which operations research methods and linear programming were applied to the maximization of the profit of a particleboard mill (KÖYKOBİR) as the consumer of industrial wood. To this end, 1993-1994-1995-1996 production, sales, stock quantities and costs as well as data related to capacities of the chipping, drying, pressing, sanding and gluing units were processed. Moreover, processing times of every product at these units were calculated. The …
The Determination Of Seed Yield And Yield Components In Some Bean (Ph. Vulgaris)Cultivars And Correlations Between These Characters Under The Çukurova Conditions, Adem Emi̇n Anlarsal, Celal Yüce, Derya Özveren
The Determination Of Seed Yield And Yield Components In Some Bean (Ph. Vulgaris)Cultivars And Correlations Between These Characters Under The Çukurova Conditions, Adem Emi̇n Anlarsal, Celal Yüce, Derya Özveren
Turkish Journal of Agriculture and Forestry
This research was conducted to determine suitable bean cultivars under Çukurova conditions, as well as to find out the correlations between seed yield and yield components. According to the experiment years' average, the seed yield of bean cultivars varied from 57.4 to119.6 kg/da and from 16.5 to 97.5 kg/da in dwarf and climbing beans respectively sehirali-90 and Yalova-5 in dwarf beans and Dermason-Malatya and Horoz-Tokat in climbing beans had the high seed yield in both experiment years. Positive correlation cofficients were found between seed yield and 100 seed number in dwarf beans. Also, there were positive correlation coefficients between seed …
Investigations On The Performance Of Some Strawberry Cultivars (Fragaria X Ananassaduch.) Grownin Open Fields And Under High Tunnel Conditions, Kubi̇lay Önal
Turkish Journal of Agriculture and Forestry
Five strawberry cultivars were grown as frigo seedlings planted in July by using two management systems, open grow-ing and high tunnel, in 1996 and 1997. Yield, earliness and some quality characters were observed. The high tunnel system made the crop 2-3 weeks earlier than the open field system with a longer period. Yield was also high in the high tunnel system with 1053 grams per plant while it was 877 grams in open growing. Miranda was the highest yielding cultivar in both management systems. Cultivars Camarosa and Miranda were superior for fruit weight and the rate of high quality.
A New Monumental Chestnut ( Castanea Sativa Mill.) Stand Found In Isparta, Musa Genç, Şükrü Teoman Güner
A New Monumental Chestnut ( Castanea Sativa Mill.) Stand Found In Isparta, Musa Genç, Şükrü Teoman Güner
Turkish Journal of Agriculture and Forestry
Anatolian chestnut (Castanea sativa Mill.) is one of Turkey's indigenous species including monumental forests and trees which are representative of the natural history; and, Isparta, is an area of Turkey with chestnut stands. There are two natural chestnut stands in Ayazmana and the Yenice and Dere districts within Isparta city. The stand located in the Yenice and Dere districts was investigated in the present study. This stand, occupying an area of 61 hectares, was located on the north side between a latitude of 37°44'54" - 37°45'19" north and a longitude of 30°31'47" - 30°32'54" east at 1090-1170 m elevation. The …
The Effects Of Spiral Grain On Some Mechanical Properties Of Calabrian Pine (Pinus Brutia Ten.) Wood., Yener Göker, Nusret As, Turgay Akbulut, Türker Dündar
The Effects Of Spiral Grain On Some Mechanical Properties Of Calabrian Pine (Pinus Brutia Ten.) Wood., Yener Göker, Nusret As, Turgay Akbulut, Türker Dündar
Turkish Journal of Agriculture and Forestry
The effects of spiral grain on some mechanical properties of Calabrian pine wood were studied. For this purpose, 17 sample trees were taken from Çakirlar region, Antalya district. The experimental trees were classifed into five groups according to the values of spiral grain angles as follows: 0- 5 % , 5-10 % , 10-15 %, 15-20 %, and > 20 %. No difference was found in bending strength and modulus of elasticity, up to 10 and 15 % spiral grain degrees, respectively. A spiral grain of 20 % or higher can be permitted in compression stresses. If wood has a spiral …
The Cooling Performance Of Wet Pads And Their Effect On Reduction Of The Inside Temperature A Cage House, Nuh Uğurlu, Mehmet Kara
The Cooling Performance Of Wet Pads And Their Effect On Reduction Of The Inside Temperature A Cage House, Nuh Uğurlu, Mehmet Kara
Turkish Journal of Agriculture and Forestry
This study was carried out in a cage house of the commercial egg company in the Konya Province. The cage house capacity was 36762 layers. Eight exhaust fans with a capacity of 40000 m 3 /h were installed on the end walls in the house. Twenty-four cellulose evaporative cooling pads, each one 1.20 m high x 1.80 m long x 100 mm thick were mounted on the side walls. In this system cooling pads served as air inlets, and evaporative cooling was supplied when dry and hot air flowed into the pads. The temperature of cooled air was decreased by …
The Effects Of Some Leguminous Forage Crops Used As Green Manure And Plant Residues On Yield And Quality Of Maize And Sunflower Under Irrigated Conditions Of Çarsamba Plain, Mehmet Ari̇f Özyazici, İbrahi̇m Manga
The Effects Of Some Leguminous Forage Crops Used As Green Manure And Plant Residues On Yield And Quality Of Maize And Sunflower Under Irrigated Conditions Of Çarsamba Plain, Mehmet Ari̇f Özyazici, İbrahi̇m Manga
Turkish Journal of Agriculture and Forestry
This study was carried out to determine the green manure values of the most suitable forage legumes for growing as winter catch crops under irrigated conditions of Çarsamba Plain. The highest (maize and sunflower) grain yield grown as a summer main crop after green manuring were obtained from green manuring of whole plants of narbonne vetch and common vetch (in maize, 974.2 kg/da and 963.3 kg/da; in sunflower, 493.8 kg/da and 492.5 kg/da). These green manure plants increased the yield of maize 51.7 and 50.0 % and of sunflower 36.8 and 36.4 %, respectively. It was determined that these high …
Effects Of Genotype And Concentration Of 2,4-D On Callus Induction And Plant Regeneration From Young Inflorescences Of Dallisgrass ( Paspalum Dilatatum Poir), Ersi̇n Can, Nafi̇z Çeli̇ktaş, Rüştü Hati̇poğlu
Effects Of Genotype And Concentration Of 2,4-D On Callus Induction And Plant Regeneration From Young Inflorescences Of Dallisgrass ( Paspalum Dilatatum Poir), Ersi̇n Can, Nafi̇z Çeli̇ktaş, Rüştü Hati̇poğlu
Turkish Journal of Agriculture and Forestry
This study was conducted to determine the effects of genotype and 2,4-D concentrations on the callus induction and plant regeneration from young inflorescences of dallisgrass ( Paspalum dilatatumPoir). Segments of young inflorescences from six different ecotypes of dallisgrass were cultured on MS-medium containing different con-centrations of 2,4-D ( 2, 4, 6, 8 and 10 mg/l). The results of the study showed that the ecotypes were significantly different in cal-lus induction ratio, callus weight per petri dish and plant regeneration from the young inflorescences. With respect to the ecotypes, callus induction ratio varied from 17.5 % to 65 %, callus weight …
Estimation Of Inheritance Of Some Agronomical Characters In Common Wheat By Diallel Cross Analysis, Okan Şener, Mehmet Kilinç, Tacetti̇n Yağbasanlar
Estimation Of Inheritance Of Some Agronomical Characters In Common Wheat By Diallel Cross Analysis, Okan Şener, Mehmet Kilinç, Tacetti̇n Yağbasanlar
Turkish Journal of Agriculture and Forestry
This study was conducted to determine the genetic structure of a population which included six common wheat cultivars or lines and crosses of half diallel cultivars or lines. It was concluded that the epistatic effect was significant for a weight of 1000 grains and yield per plant, while the additive effect was significant for period of maturity, the number of spikelets per head, and the number of kernels per hear. The dominance effect was found in yield per plant. A partial dominance effect was found in other char-acters. It was found that at least 4 pairs of genes were effective …
The Response Of Sunflower Grain Yield To Water, Abdullah Kadayifçi, Osman Yildirim
The Response Of Sunflower Grain Yield To Water, Abdullah Kadayifçi, Osman Yildirim
Turkish Journal of Agriculture and Forestry
The main aims of this study were to obtain grain and oil yields of sunflower ( Helianthus annuus L.) under adequate and limited soil water supply during the total growing season and under limited soil water supply at the early vegetative, late vegetative, vegetative, flowering and yield formation periods, to find out the sensitive periods to soil water deficits, and to determine yield response factors (k y ). The experiments were conducted in the fields of the Research Farm of the Agricultural Faculty, Ankara University, in 1994 and 1995. It was found that the highest grain and oil yields were …
Biomass Tables Of Black Alder ( Alnus Glutinosagaertn. Subsp. Barbata(C.A. Mey.) Yalt.), Nedi̇m Saraçoğlu
Biomass Tables Of Black Alder ( Alnus Glutinosagaertn. Subsp. Barbata(C.A. Mey.) Yalt.), Nedi̇m Saraçoğlu
Turkish Journal of Agriculture and Forestry
The objective of this study was to estimate biomass per tree for Alnus glutinosaGaertn. subsp. barbata(C. A. Mey.) Yalt. stands in the east Black Sea region of Turkey, Dry-weight tables constructed by means of the material collected from 86 sample trees chosen in 19 constructed by means of the material collected from 86 sample trees chosen in 19 trials in the Black Sea region between Persembe and Kemalpasa within 10-1510 m altitude. Sample plots were established 0.04 ha in size in stands of various maturity stages, sites and density classes within the specified population. The plots were laid as squares …