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Articles 91 - 107 of 107
Full-Text Articles in Forest Sciences
The Effects Of Arbuscular Mycorrhizal Fungi On The Seedling Growth Of Four Hybrid Cucumber (Cucumis Sativus L.) Cultivars, Şefi̇k Tüfenkci̇, Semra Demi̇r, Suat Şensoy, Hüsameddi̇n Ünsal, Emre Demi̇rer Durak, Çeknas Erdi̇nç, Şeyhmus Bi̇çer, Ayteki̇n Eki̇nci̇alp
The Effects Of Arbuscular Mycorrhizal Fungi On The Seedling Growth Of Four Hybrid Cucumber (Cucumis Sativus L.) Cultivars, Şefi̇k Tüfenkci̇, Semra Demi̇r, Suat Şensoy, Hüsameddi̇n Ünsal, Emre Demi̇rer Durak, Çeknas Erdi̇nç, Şeyhmus Bi̇çer, Ayteki̇n Eki̇nci̇alp
Turkish Journal of Agriculture and Forestry
The effectiveness of different arbuscular mycorrhizal fungi (AMF) on different hybrid cucumber cultivars has not been well documented, even under normal seedling conditions. The present study therefore aimed to evaluate colonization, nutrient uptake, dependency, and other seedling traits of 4 cucumber hybrids (Ceren F_1, Beta F_1, Silyon F_1 and Maraton F_1) inoculated by 3 different AMF [Glomus intraradices (Gi), Glomus etunicatum (Ge) and Gigaspora margarita (Gm)]. Traits were evaluated in a growth chamber experiment consisting of a 4 × 4 factorial design (4 cucumber hybrids, 3 AMF plus 1 control) with 3 random replications. AMF-inoculated cucumber seedlings had shorter hypocotyledons …
Genetic Characterization Of Pyrenophora Graminea Isolates And The Reactions Of Some Barley Cultivars To Leaf Stripe Disease Under Greenhouse Conditions, Harun Bayraktar, Kadi̇r Akan
Genetic Characterization Of Pyrenophora Graminea Isolates And The Reactions Of Some Barley Cultivars To Leaf Stripe Disease Under Greenhouse Conditions, Harun Bayraktar, Kadi̇r Akan
Turkish Journal of Agriculture and Forestry
The genetic diversity of Pyrenophora graminea, the causal agent of barley leaf stripe disease, was characterized by restriction fragment length polymorphism (RFLP) of the rDNA internal transcribed spacer region and intersimple sequence repeat (ISSR) analysis. A total of 45 P. graminea isolates recovered from different geographic origins and barley cultivars or genotypes produced identical RFLP banding patterns with HinfI, MspI, Hin6I and BsuRI restriction enzymes. ISSR analysis indicated that there was little genetic variability among the isolates. A dendrogram based on Jaccard's coefficient separated the isolates into 4 clusters with 12% dissimilarity. In the dendrogram, the isolates collected from different …
Spot Blotch Resistance In Derivatives Of European Winter Wheat, Zilvinas Liatukas, Vytautas Ruzgas
Spot Blotch Resistance In Derivatives Of European Winter Wheat, Zilvinas Liatukas, Vytautas Ruzgas
Turkish Journal of Agriculture and Forestry
The effects of inoculum concentrations and the aggressiveness of spot blotch (Bipolaris sorokiniana (Sacc.) Shoemaker) isolates were evaluated on the resistance of 123 winter wheat advanced breeding lines developed from European winter wheat as well as on 3 control cultivars, BR8, BH1146, and Zentos. The test was conducted under laboratory conditions using a detached leaf technique. A total of 3 inoculum concentrations were used: 0.5 × 10^3, 1 × 10^3, and 5 × 10^3 spores mL^{-1}. The results of the study revealed low resistance of the tested material when accessions were compared by the percentage of disease severity (DS), but …
Investigating Rainfall Erosivity Indices In Arid And Semiarid Climates Of Iran, Elaheh Moussavi Kiassari, Davood Nikkami, Mohammad Hossein Mahdian, Ebrahim Pazira
Investigating Rainfall Erosivity Indices In Arid And Semiarid Climates Of Iran, Elaheh Moussavi Kiassari, Davood Nikkami, Mohammad Hossein Mahdian, Ebrahim Pazira
Turkish Journal of Agriculture and Forestry
The rainfall erosivity index is one of the most important factors influencing soil erosion. For this reason, investigating the accuracy of rainfall erosivity indices is very important in different climatic regions. The objective of this research was to investigate different rainfall erosivity factors and determine the most appropriate ones for use in the central and northeastern parts of Iran. For this reason, necessary data were collected from 92, 6 and 10 soil erosion research plots in Khorasan Razavi, Semnan and Isfahan provinces, respectively. The rainfall intensities were recorded, as was the sediment yield associated with storm events, and 63 different …
Mating System In Natural Populations Of Taurus Cedar (Cedrus Libani A.Rich.), Behi̇ye Banu Bi̇lgen, Yusuf Kurt, Nuray Kaya
Mating System In Natural Populations Of Taurus Cedar (Cedrus Libani A.Rich.), Behi̇ye Banu Bi̇lgen, Yusuf Kurt, Nuray Kaya
Turkish Journal of Agriculture and Forestry
The aim of this study was to estimate patterns of the mating system in 2 natural Cedrus libani A.Rich. populations in Elmalı, Antalya, with the aid of isozyme markers. Isozyme analysis was performed on both maternal and embryo tissues of the seeds collected from Avlankuzu and Çamkuyusu populations. Eleven loci encoding 8 enzyme systems were analyzed. The Avlankuzu and Çamkuyusu populations were a homogeneous and similar gene pool for the loci studied. Based on a multilocus estimator, the proportion of viable seeds originating from outcrossing (tm) was 0.940 for the Avlankuzu population and 0.944 for the Çamkuyusu population. In other …
Oilseed Rape (Brassica Napus L.) Genotypic Variation In Response To Boron Deficiency, Jasna Savic, Volker Römheld, Miroslav Nikolic
Oilseed Rape (Brassica Napus L.) Genotypic Variation In Response To Boron Deficiency, Jasna Savic, Volker Römheld, Miroslav Nikolic
Turkish Journal of Agriculture and Forestry
Boron efficiency of 16 oilseed rape genotypes was tested using both hydroponic and pot-soil growing techniques. From the nutrient solution experiment (0.1 and 10 µM B), 4 representative contrasting genotypes were selected based on relative root and shoot growth. These were then grown in pots with low-B soil (0.25 mg kg^{-1}). From the nutrient solution experiment, 2 genotypes selected as B-inefficient did not show any growth disorders, and the concentration of B in the shoots was above critical. Furthermore, 4 contrasting genotypes were subjected to the stable 11B isotope-enriched uptake solution for 6 h to verify possible low B-induced active …
Seed Priming With Antioxidants Improves Sunflower Seed Germination And Seedling Growth Under Unfavorable Germination Conditions, Ivana Draganic, Slavoljub Lekic
Seed Priming With Antioxidants Improves Sunflower Seed Germination And Seedling Growth Under Unfavorable Germination Conditions, Ivana Draganic, Slavoljub Lekic
Turkish Journal of Agriculture and Forestry
The results of studying the effects of sunflower seed priming with an aqueous solution of ascorbic acid (A), tocopherol (T), and glutathione (G) performed prior to accelerated ageing and a cold test are presented in this paper. Germination, the percentage of abnormal seedlings, and the lengths of both roots and shoots were monitored. The results showed that the cold test caused a drastic drop in germination, an adverse effect on the shoot length, an increase in the percentage of abnormal seedlings, and no effect on the root length. Germination of seeds primed with the solution of A, T, and G …
Morphological And Biochemical Evaluation Of Selected Almond [Prunus Dulcis (Mill.) D.A.Webb] Genotypes In Northern Serbia, Slavica Colic, Vera Rakonjac, Gordan Zec, Dragan Nikolic, Milica Fotiric Aksic
Morphological And Biochemical Evaluation Of Selected Almond [Prunus Dulcis (Mill.) D.A.Webb] Genotypes In Northern Serbia, Slavica Colic, Vera Rakonjac, Gordan Zec, Dragan Nikolic, Milica Fotiric Aksic
Turkish Journal of Agriculture and Forestry
In order to determine the overall degree of polymorphism and detect similarities among genotypes, 19 almond [Prunus dulcis (Mill.) D.A.Webb] genotypes were studied. Variation in traits related to phenology, morphology, and fruit quality was observed, and the results indicated a high morphological diversity of almond genotypes. The majority of important correlations were determined among the traits representing nut size (nut width, nut length, nut thickness, and nut weight) and leaf size (leaf length, leaf width, and leaf area). The lack of correlation between kernel size and chemical compounds enables the creation of a new almond cultivar with large kernels and …
Liquid Atomization And Spray Drift Measurement In A Wind Tunnel For A Twin Fluid System With A Deflector Nozzle, Zoltán Gulyás, László Fenyvesi, Sándor Szoboszlay
Liquid Atomization And Spray Drift Measurement In A Wind Tunnel For A Twin Fluid System With A Deflector Nozzle, Zoltán Gulyás, László Fenyvesi, Sándor Szoboszlay
Turkish Journal of Agriculture and Forestry
The objectives of this research were to inspect the drop production of a twin fluid system with the Floodjet TK SS 10 042 deflector nozzle and to identify the drift of the droplets produced by the nozzle in a wind tunnel when using the nozzle with the individual settings provided by the company that enlisted our institute to do the described research task. The results of the inspection of drop production, done using a particle sizer, showed that the values of volume diameter D_{v10} were low, the percentage of drops smaller than 100 µm in size was considerable, and the …
Influence Of Eccentric Drawbar Force On Power Delivery Efficiency Of A Wheeled Tractor, Mirko Simikic, Nebojsa Dedovic, Lazar Savin, Milan Tomic, Hasan Hüseyi̇n Si̇lleli̇, Ondrej Ponjican
Influence Of Eccentric Drawbar Force On Power Delivery Efficiency Of A Wheeled Tractor, Mirko Simikic, Nebojsa Dedovic, Lazar Savin, Milan Tomic, Hasan Hüseyi̇n Si̇lleli̇, Ondrej Ponjican
Turkish Journal of Agriculture and Forestry
Power delivery efficiency shows how much engine power is used for a tractor drawbar. Eccentric traction is a factor influencing the power delivery efficiency of a wheeled tractor. It occurs as a consequence of the offset position of a tractor implement, that is, when the traction line of the tractor and resistance line of the implement are parallel and do not coincide. This paper presents research on the power delivery efficiency of wheeled tractors and its dependence on wheel slippage of central and eccentric drawbar forces on unplowed and plowed stubble. For this purpose, mathematical models and one algorithm were …
Black Walnut (Juglans Nigra L.) Standing Volume In The Riparian Forests Of The Czech Republic, Lubomir Salek, Daniel Zahradnik, Lubomir Tipmann, Robert Marusak
Black Walnut (Juglans Nigra L.) Standing Volume In The Riparian Forests Of The Czech Republic, Lubomir Salek, Daniel Zahradnik, Lubomir Tipmann, Robert Marusak
Turkish Journal of Agriculture and Forestry
Black walnut (Juglans nigra L.) is one of the most valuable non-native tree species growing on alluvial soils in the southeastern part of the Czech Republic. However, its standing volume is currently calculated according to oak tables, although its growth and standing volume is likely different. In order to determine the observed black walnut standing volume and to express a difference between black walnut and other main tree species growing on alluvial soils, 63 temporary sample plots of pure black walnut stands were established and, for determination of tree volume, 63 sample trees with various dimensions were felled and measured …
Determination Of Intraspecific Nuclear Dna Content Variation In Common Vetch (Vicia Sativa L.) Lines And Cultivars Based On Two Distinct Internal Reference Standards, İskender Ti̇ryaki̇, Meti̇n Tuna
Determination Of Intraspecific Nuclear Dna Content Variation In Common Vetch (Vicia Sativa L.) Lines And Cultivars Based On Two Distinct Internal Reference Standards, İskender Ti̇ryaki̇, Meti̇n Tuna
Turkish Journal of Agriculture and Forestry
The 2C nuclear DNA contents of 40 common vetch (Vicia sativa L.) lines and cultivars were determined by using both safflower (Carthamus tinctorius L.) and barley (Hordeum vulgare L.) as internal reference standards in flow cytometry analysis and correlated with plant morphological characters and 1000-seed weight. The t-test results showed a significant difference between the mean DNA values of the barley and safflower standards (t = -16.74, P = 0.0001). Data analysis also indicated significant (P < 0.01) intraspecific nuclear DNA content variation within the common vetch lines and cultivars for both internal standards used. The DNA content values ranged from 3.342 pg to 3.652 pg and from 3.600 pg to 4.002 pg for the internal standards of safflower and barley, respectively. The DNA differences within the internal standards were 0.310 pg and 0.402 pg for safflower and barley, respectively. The internal standard of barley constantly produced higher DNA content values than the values of safflower standard for all vetch lines and cultivars. Nuclear DNA content differences between 2 internal standards for the same plant material reached as high as 15.59% (0.540 pg), which is equivalent to 528.12 Mbp DNA. No significant correlations between 1000-seed weight and the nuclear DNA contents of barley (P < 0.51) or safflower (P < 0.76) were detected.
Comparison Of Hybrid Maize Obtained From Inbred Lines That Are Selected Via Top-Crossing And Discriminant Analysis, Ahmet Öz
Turkish Journal of Agriculture and Forestry
This research was done at the Black Sea Agricultural Research Institute in Samsun, in 2006 and 2007. The study was conducted to determine the effectiveness of discriminant analysis in determining the parents among inbred lines in hybrid corn breeding. Grain yield and some yield components of the hybrid maize, which was obtained from inbred lines that were selected in accordance with top-crossing and discriminant analysis, was examined in the research. According to the average of 2 years, the average grain yield of 11 maize hybrids obtained via top-crossing was 9160 kg ha^{-1}, whereas the average grain yield of 8 maize …
Effect Of Al Compounds On Soil Ph And Bioavailability Of Al In Two Acid Soils, Toufiq Iqbal
Effect Of Al Compounds On Soil Ph And Bioavailability Of Al In Two Acid Soils, Toufiq Iqbal
Turkish Journal of Agriculture and Forestry
Two aluminum compounds, AlCl_3 and Al(OH)_3, were used to determine the effect of Al compounds on pH and bioavailability of Al in 2 acid soils. Both soils were incubated for periods of 3, 10, and 30 days. Al-tolerant (ET8) and Al-sensitive (ES8) wheat seedlings were used as a testing plant to confirm bioavailability of Al^{3+} in soil solution. Both soils were acidified through the addition of Al compounds to detect the maximum Al^{3+} toxicity level of these compounds. The results showed that the AlCl3 compound increased the bioavailability of Al^{3+} in soil solutions. In contrast, AlCl_3 decreased bulk soil pH. …
Pando Clone (World's Largest Living Organism?) History And Evaluation : Case Study For Revalidation, Allen V. Henningson
Pando Clone (World's Largest Living Organism?) History And Evaluation : Case Study For Revalidation, Allen V. Henningson
Aspen Bibliography
No abstract provided.
Agricultural Greenhouse Gas Emissions, Meredith Fairbanks, David Bowran, Geraldine Pasqual
Agricultural Greenhouse Gas Emissions, Meredith Fairbanks, David Bowran, Geraldine Pasqual
Bulletins 4000 -
Agriculture contributes 15.5 per cent of Australia’s emissions (Figure 1), largely due to methane, from ruminant livestock digestion, nitrous oxide from soils and carbon dioxide from fossil fuel use (Australian National Greenhouse Accounts 2011; ABARES 2011).
This bulletin identifies current ways to reduce greenhouse gas emissions from Australian agriculture.
Decision Memo: Pando Aspen Clone Restoration Project, Kurt Robins
Decision Memo: Pando Aspen Clone Restoration Project, Kurt Robins
Aspen Bibliography
The Pando Clone is located in Township 26 South, Range 1 East, Sections 24 and 25 about 1 mile southwest of the Lakeside Resort on State Highway 25 and about 1 mile due east of Mallard Bay at the southwest corner of Fish Lake (see map). The Pando Clone is the largest aspen clone in the world and the largest (most massive) single living organism in existence that has been discovered to date (Grant, 1993; DeWoody et al, 2008). It encompasses approximately 106 acres and is estimated to weigh in excess of 13 million pounds (Grant, 1993). This clone is …