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Articles 301 - 316 of 316
Full-Text Articles in Life Sciences
The Effect Of The Duration Of Alkali Treatment On The Solubility Of Polyoses, Mualla Balaban, Güneş Uçar
The Effect Of The Duration Of Alkali Treatment On The Solubility Of Polyoses, Mualla Balaban, Güneş Uçar
Turkish Journal of Agriculture and Forestry
Holocelluloses from the wood of pine and oak species growing naturally in Turkey were extracted with 5% KOH solution under specified conditions, and soluble polyoses and lignin were examined. The extractions of both pine and oak wood holocelluloses followed the mechanism of second order reaction. While the glucomannan of pine was poorly dissolvable during the extraction, xylan, the main polyose of hardwoods, was removed very efficiently upto almost 90 %. The solubility of xylane also obeyed the some kinehes. By the equation [ A ] 1- n - [ A 0 ] 1-n = ( n-1) kt, where n=2, for …
Effect Of Use Of Pure Yeast Culture (Saccharomyces Cerevisiae-K1) On Aromatic Compounds Of Emir Wine, Turgut Cabaroğlu, Ahmet Canbaş, Zi̇ya Günata, Claude Bayonove
Effect Of Use Of Pure Yeast Culture (Saccharomyces Cerevisiae-K1) On Aromatic Compounds Of Emir Wine, Turgut Cabaroğlu, Ahmet Canbaş, Zi̇ya Günata, Claude Bayonove
Turkish Journal of Agriculture and Forestry
In this study, aroma compounds of the wines obtained from white Emir grapes grown in Nevşehir-Ürgüp region by spontanous fermentation and by use of pure culture of "Saccharomyces cerevisiae-K1" were investigated. Aroma compounds were extracted by Amberlit XAD-2 resin and were eluted by pentan/dichloromethane (2/1) solvent and then analysed by gas chromatography and identified by gas chromatography mass spectrometry (GC-MS). A comparison of the aroma compounds of the wines obtained by spontanous fermentation and by use of pure culture showed that the latter contained higher amount of high alcohols and carbonyl compounds, and lower amount of volatile phenols, esters being …
The Effects Of Some Treatments On Germination Of Mahaleb (Prunus Mahaleb L.) Seeds, Resul Gerçekçi̇oğlu, Çeti̇n Çeki̇ç
The Effects Of Some Treatments On Germination Of Mahaleb (Prunus Mahaleb L.) Seeds, Resul Gerçekçi̇oğlu, Çeti̇n Çeki̇ç
Turkish Journal of Agriculture and Forestry
This study was carried out in 1995 on Mahalep (Prunus mahaleb L.) seeds an important rootstock for sour cherry and sweetcherry trees. In this research, effects of seed coat removal, GA_3, H_2SO_4, preserved in cold and hot water, at 20 - 24ºC and 2 - 4 ºC, stratification in field on germination of mahaleb seeds were investigated. Fourteen different treatments were applied to seeds. The highest average germination was obtained by soaking the seeds removed coats for 24 hours in a solution of GA_3 at 1000 ppm + stratification for twelve weeks at 2 - 4ºC. While the seeds preserved …
Stability Analysis Of Some Winter Sown Chickpea Cultivars In East Mediterranean Region, Sai̇m Özdemi̇r, Ufuk Karadavut, Cahi̇t Erdoğan
Stability Analysis Of Some Winter Sown Chickpea Cultivars In East Mediterranean Region, Sai̇m Özdemi̇r, Ufuk Karadavut, Cahi̇t Erdoğan
Turkish Journal of Agriculture and Forestry
In this experiment, yield stabilty of 10 winter growth chickpea genotypes were investigated in Adana, Kahramanmaraş and Hatay Yayladağ. Experiments were located Çukurova University, Agricultural Faculty, Crop Science Department Experimental area in Adana, and farmers field in Kahramanmaraş and Hatay-Yayladağ. Chickpea variety that newly registered for winter crop ILC 482 (Güney Sarısı)), ILC-195, FLIP 85-14C (Menemen 92), FLIP 85-135C( Taşova 89) and promissing line FLIP 84-17C, FLIP 85-4C, FLIP 85-15C, FLIP 88-82C, FLIP 90-3C, FLIP 90-109C were used in experiments. Plants were sowed in fall and growth as winter crop. Yield data recorded from yield trials at Adana and Kahramanmaraş …
Detection Of A New Medium For Budwood Culture In Vitro Of Citrus, Gülşen Şaş Sertkaya, Ahmet Çinar
Detection Of A New Medium For Budwood Culture In Vitro Of Citrus, Gülşen Şaş Sertkaya, Ahmet Çinar
Turkish Journal of Agriculture and Forestry
The transfer of new and quality citrus species and cultivars from one country or growing area to another may lead to the introduction of new pests and diseases. Therefore the import and direct production of citrus budwood without adequate control measures has a high risk. The citrus virus and virus-like disease agents can be successfully eliminated using the shoot-tip grafting (STG) technique which is routinely used to obtain virus-free plants in citrus improvement programs in major citrus-growing countries. Many methods are used to obtain flushes as a source of scion material for STG in vitro. The budwood culture in vitro …
Effect Of Iron And Zinc Applications On Growth And On Concentration Of Mineral Nutrients Of Bean (Phaseolus Vulgaris L.) Grown In Artificial Siltation Soils, M. Rüştü Karaman, A. Reşi̇t Brohi̇, Ali̇ İnal, Süleyman Taban
Effect Of Iron And Zinc Applications On Growth And On Concentration Of Mineral Nutrients Of Bean (Phaseolus Vulgaris L.) Grown In Artificial Siltation Soils, M. Rüştü Karaman, A. Reşi̇t Brohi̇, Ali̇ İnal, Süleyman Taban
Turkish Journal of Agriculture and Forestry
The study was carried out in greenhouse conditions by growing the Yalova field bean variety (Phaseolus vulgaris L.) with different iron (Fe) and zinc (Zn) applications in an alluvial soil which was collected from the artificial siltation area (0-20 cm depth) of the Kelkit River in Niksar-Tokat. A colluvial soil was also used for comparison. Iron was applied at 0, 10 and 20 ppm Fe in the forms Fe-EDDHA, FeSO_4.7H_2O and Fe-EDDHA + FeSO_4.7H_2O (1:1 ratio). Zinc was applied at 0, 10 and 20 ppm Zn in the form ZnCl_2. The plants were harvested after six weeks of growth in …
The Relationships Between Soil Properties And Nutritional Status Of Strawberry Plants Grown In Anamur And Silifke Districts, Ali̇ İnal, Aydin Güneş, Mehmet Alpaslan
The Relationships Between Soil Properties And Nutritional Status Of Strawberry Plants Grown In Anamur And Silifke Districts, Ali̇ İnal, Aydin Güneş, Mehmet Alpaslan
Turkish Journal of Agriculture and Forestry
In order to determine the fertility of soil and nutritional status of strawberry plants grown in the districts of Anamur and silifke, 24 soil and 37 plant samples were collected and analysed. According to the results, 33% of Anamur soils showed high salinity. However, almost all the soils from Silifke showed a non-saline character. Organic matter deficiency was detected in 25% and 67% of the soils of Anamur and silifke, respectively. Approximately 10% of soils in Anamur showed nitrogen deficiency. Both of the districts have suffered available P deficiency, but it is more serious in Silifke. In Anamur, K deficiency …
Effects Of Different Irrigation Methods And Regimes On Vegetative Growth, Fruit Yield And Quality Of Apple Trees, A. İlhami̇ Köksal, Osman Yildirim, Hati̇ce Dumanoğlu, Nurdan Tuna Güneş, Abdullah Kadayifçi
Effects Of Different Irrigation Methods And Regimes On Vegetative Growth, Fruit Yield And Quality Of Apple Trees, A. İlhami̇ Köksal, Osman Yildirim, Hati̇ce Dumanoğlu, Nurdan Tuna Güneş, Abdullah Kadayifçi
Turkish Journal of Agriculture and Forestry
This study was carried out to investigate the effects of different irrigation methods and regimes on the vegetative growth, fruit yield and quality of 'Starkspur Golden Delicious' and 'Starkrimson' apple trees on seedling rootstocks in Ankara conditions. Irrigation regimes were started to apply water when 30% (S_10) and 50% (S_20) of available water holding capacity in 120 cm soil depth were consumed and to apply water amount of 75% (S_11-S_21) and 100% (S_12-S_22) of Class A pan evaporation with the irrigation intervals of the S_10 and S_20 regimes. Irrigation water applied in drip and undertree microsprinkler irrigation methods was less …
Effects Of The Pomarsol, Mitikol, Rubigan And Platoon On The Soil Microflora, Meti̇n Diğrak, Ni̇lüfer Kaçar, Ali̇ye Sönmez
Effects Of The Pomarsol, Mitikol, Rubigan And Platoon On The Soil Microflora, Meti̇n Diğrak, Ni̇lüfer Kaçar, Ali̇ye Sönmez
Turkish Journal of Agriculture and Forestry
In this study the effect of fungicides (Pomarsol WB 80, Thiran tetramethylthiuram disülfide), (Mitikol, Pentachloronitrobenzene), insecticide (Rubigan 12 EC, (2,4-dichloro (pyrimidine-5-yl) benzylhydryl alchol) and herbicide, (Platoon, (N-(phosphonomethyl) glycine) which are commonly used in agriculture were investigated on soil microbiota (Total viable bacteria, Actinomycetes, Anaerobic bacteria, Aerob endospore-forming, Proteolytic bacteria, Cellülolytic microorganisms and Yeast-mold). It was determined that in the platoon-treated soil sample the total viable bacteria number was found to be excessive than that of the control groups during the incubation. Moreover it was observed that this treatment had no inhibitory effect on the development of the other microorganism groups. …
Investigation On Agronomical And Quality Characteristics Of Improved Clonnes In Origanum (Origanum Onites L.) Breeding, Ayhan Ceylan, Emi̇ne Bayram, Hati̇ce Geren
Investigation On Agronomical And Quality Characteristics Of Improved Clonnes In Origanum (Origanum Onites L.) Breeding, Ayhan Ceylan, Emi̇ne Bayram, Hati̇ce Geren
Turkish Journal of Agriculture and Forestry
Flora of west and southwest Anatolian regions are very rich in terms of Origanum species. A large amount of Origanum onites L. plants collected from the flora is consumed in Turkey and exported. In order to determine agronomical and technological characteristics of 14 improved clonnes by selection of Origanum onites L. populations collected flora of İzmir, Muğla and Antalya regions this study was conducted under Bornova ecological conditions. According to two years averages; drog herbage and drog leaf yield were obtained 12760 kg/ha, 7420 kg/ha, respectively. Essential oil rate varied from 2.61 % to 5.12 %, carvacrol rate varied from …
A Study On The Relationship Of Yield With Stability In Lentil, Meti̇n Altinbaş, Bahatti̇n Tanyolaç
A Study On The Relationship Of Yield With Stability In Lentil, Meti̇n Altinbaş, Bahatti̇n Tanyolaç
Turkish Journal of Agriculture and Forestry
Two lentil ( Lens culinaris medic. ) populations, one of them were of large-seeded genotypes and other one were small-seeded genotypes, were tested at one location in 1990 and at two locations in the years of 1991 and 1992 and some stability statistics were estimated for grain yield. The relationship between yield and stability were studied in both populations using the simple correlations among mean yields and six stability parameters. The significant correlations between mean yield and stability statistics (b, r^2, s^2_d, W^2, \sigma^2) except S^2 occurred in large-seeded genotypes, while all stability parameters were not significantly correlated with mean …
Compatiple And Noncompatiple Stem Taper Equations For Alder, Hakki Yavuz, Nedi̇m Saraçoğlu
Compatiple And Noncompatiple Stem Taper Equations For Alder, Hakki Yavuz, Nedi̇m Saraçoğlu
Turkish Journal of Agriculture and Forestry
In this study, compatible and noncompatible stem taper equations were developed for alder (Alnus glutinosa (L.) Gaertn.) depending on 510 sample trees data taken from alder stands in Black Sea Region. For estimating only stem tapers of sample trees, the noncompatible stem taper equation developed by Kozak (10) was the best according to average residual (bias), standart deviation of residuals (precision) and percent variation explained criteria, among all compatible and noncompatible stem taper equations tested in this study. Besides, according to the same criteria, for estimating stem tapers, total tree volume and volume ratios together, the compatible stem taper equation …
Pennsylvania Urban And Community Forestry: Don't Top Trees, William Elmendorf
Pennsylvania Urban And Community Forestry: Don't Top Trees, William Elmendorf
Nebraska Forest Service: Publications
What Is Topping? Topping Hurts a Tree In Many Ways; How to Prevent Topping
Effect Of Forest Management On Alpha Diversity Of Ground Vegetation In Boreal Forests: A Model Approach, Marja Kolstrom, Sari Pitkanen
Effect Of Forest Management On Alpha Diversity Of Ground Vegetation In Boreal Forests: A Model Approach, Marja Kolstrom, Sari Pitkanen
Aspen Bibliography
No abstract provided.
Structural Lumber Properties Of Hybrid Poplar, D.E. Kretschmann, J.G. Isebrands, G. Stanosz, J.R. Dramm, A. Olstad, D. Cole, J. Samsel0
Structural Lumber Properties Of Hybrid Poplar, D.E. Kretschmann, J.G. Isebrands, G. Stanosz, J.R. Dramm, A. Olstad, D. Cole, J. Samsel0
Aspen Bibliography
The Lake States of Michigan, Minnesota, and Wisconsin consist of 49.4 million hectares (112 million acres) of land, 19.8 million hectares (49 million acres) of which are forested, with 6% of those having been removed by law from timber production.
Clonal Variation In Above- And Below-Ground Growth Responses Of Populus Tremuloides Michaux: Influence Of Soil Warming And Nutrient Availability, J.S. King, K.S. Pregitzer, D.R. Zak
Clonal Variation In Above- And Below-Ground Growth Responses Of Populus Tremuloides Michaux: Influence Of Soil Warming And Nutrient Availability, J.S. King, K.S. Pregitzer, D.R. Zak
Aspen Bibliography
No abstract provided.