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1
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Genetic diversity in tomato landraces collected from Turkey and Iran revealed by morphological characters

100%
Henareh M., Dursun A., Mandoulakani B. A.
Acta Scientiarum Polonorum. Hortorum Cultus
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2015
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tom 14
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nr 2
Ninety-seven tomato landraces collected from East Anatolian region of Turkey and North-West of Iran, along with three commercial cultivars were evaluated during two years. Experiment was carried out in an alpha lattice design at Agriculture and Natural Resources Research Center of West Azerbaijan, Iran. Analysis of variance revealed significant variation (P ≤ 0.01) among genotypes for all the experimental characters. Yield showed a positive and significant correlation with length and width of cotyledon leaf, length and width of true leaf, fruit weight, fruit length and diameter, pericarp thickness and fruit peduncle length. In principal component analysis, the first three components explained for 71.6% of total variations among genotypes. Since the first component determined 50% of total variations and yield had high significant coefficient with this component, thus it might be used as s selection criteria to identify genotypes with high yield in breeding programs. Cluster analysis using Ward method classified genotypes into five groups. Groups included: early maturing genotypes in group I, genotypes with high yield in group II, genotypes with large fruit in group III, late maturing and high total soluble solids (TSS) genotypes in group IV and genotypes with high acidity in group V.
2
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Effects of nanotechnology liquid fertilizers on the plant growth and yield of cucumber (Cucumis sativus L.)

100%
Ekinci M., Dursun A., Yildirim E., Parlakova F.
Acta Scientiarum Polonorum. Hortorum Cultus
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2014
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tom 13
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nr 3
Various fertilizers are used in order to increase the yield and quality of the cultivated vegetables. Therefore, products obtained from different sources can be used as fertilizer. Fertilizers produced with nanotechnology are one of them. Fertilizers derived from nanotechnology have started to attract attention in agriculture nowadays. This study was undertaken to determine the effects of nanotechnology liquid fertilizer on the plant growth and yield of cucumber (Cucumis sativus L.). The experiment was carried out in the Department of Horticulture at Ataturk University under unheated greenhouse conditions in Erzurum, Turkey, in 2011–2012. The doses of 2.0, 3.0 and 4.0 L· ha⁻¹ of Nanonat and Ferbanat were used as fertilizer source. The plant leaves were sprayed with Nanonat and Ferbanat suspension until becoming wet at ten day intervals for three times during plant growth. The results showed that the fertilizer treatments significantly improved the yield compared to control. According to the average of years the highest yield (149.17 t·ha⁻¹) occurred in Ferbanat 4.0 L·ha⁻¹ application. As a result, this study suggested that the foliar applications of liquid fertilizer could improve the plant growth and yield of cucumbers.
3

The effects of different salt, biostimulant and temperature levels on seed germination of some vegetable species

100%
Yildirim E., Dursun A., Guvenc I., Kumlay A. M.
Acta Agrobotanica
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2002
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tom 55
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nr 2
This research was conducted to determine the effects of two biostimulants (humic acid and biozyme) or three different salt (NaCI) concentrations at the tempera"'15, 20 and 25" C on parsley, leek, celery, tomato, onion, lettuce, basil, radish seed germination. Two applications of both biostimulants increased 'nation of parsley, celery and leek at all temperature treatments. Germination rate decreased depending on high salt concentrations. At different salt and temperature garden cress was characterised by the highest germination percentage to other vegetable species. Interactions between NaCl concentrations and temperatures, as well as biostimulants and temperatures were significant at p = 0.001 in for all vegetable species except onion in NaCl concentrations and temperatures that of the control.
4

Effects of different levels of humic acid on seedling growth and macro and micronutrient contents of tomato and eggplant

100%
Dursun A., Guvenc I., Turan M.
Acta Agrobotanica
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2002
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tom 55
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nr 2
As opposed to direct sowing, production of seedlings of vegetable crops for .ting is commonly practiced by vegetable growers. This study was undertaken to determine the effects of humic acid on the growth and the macro and micro contents in tomato (Lycopersicon esculentum) and eggplant (Solanum melongena var. esculentum) seedlings under greenhouse conditions. Different levels of :humanic acid (50, 100, 150, 200 ml 1-1) were applied to growing media (peat) after transplanting of examined seedlings of the species every ten days by the time of planting.The highest growth rate for leaf stem and root growth were obtained at 50 and l00 ml-1 HA and 50, 100, 150 ml 1-1 HA for tomato and eggplant seedlings, :Y as compared to the control.. The highest content of macro and micronutrient contens were obtained at 100 ml 1-1 HA and 200 ml l-1 HA for tomato and eggplantseedlings, respectively as compared to the control.
5

The relation of PON1 - L55M gene polymorphism and clinical manifestation of Behcet's disease

76%
Dursun A., Cicek S., Keni F. M., Karakas-Celik S., Sezer T., Altinyazar C. H.
Acta Biochimica Polonica
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2014
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tom 61
|
nr 2
 Purpose: Behçet's disease is a multisystem disease characterized by recurrent oral and genital ulcers, relapsing uveitis, mucocutaneous, articular, gastrointestinal, neurologic, and vascular manifestations. Paraoxonase is believed to play an important role in protection of LDL and HDL particles from oxidation, in antioxidant effect against lipid peroxidation on cellular membranes, and in anti-inflammatory process. Lipid peroxidation and free oxygen radicals have been thought to play a role in pathogenesis of BD. The association of paraoxonase gene polymorphisms with Behçet's Disease in a group of Turkish patients with clinical manifestations and healthy controls has been investigated. Patients and Methods: Paraoxonase (PON-1-L55M) gene polymorphism was investigated in 50 Behcet patients and 50 healthy individuals with a PCR/RFLP method. Results: There were significant differences between patients and the control group in allele frequencies of the PON1 L55M polymorphism (p=0.04). Also, when patients were compared with the control group according to clinical manifestations, this statistical significance was getting sharper. Compared with the PON55 L allele, the M allele was associated with greater than 3.5 fold (OR 3.5, 95% CI 1.3-8.9) increased risk of ocular (OR 2.4, 95% CI 1.1-5.3), 2.4 fold joint and 3.1 fold (OR 3.1, 95% CI 1.1-8.4) central nervous system manifestations of BD. Conclusion: The PON L55M gene polymorphism seemed to play a role in the pathogenesis of BD.
6
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Effect of plant growth promoting rhizobacteria on growth, nutrient, organic acid, amino acid and hormone content of cauliflower (Brassica oleracea L. var. botrytis) transplants

76%
Ekinci M., Turan M., Yildirim E., Gunes A., Kotan R., Dursun A.
Acta Scientiarum Polonorum. Hortorum Cultus
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2014
|
tom 13
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nr 6
This study was conducted to determine the effect of different plant growth promoting rhizobacteria (PGPR) strains on growth and quality of cauliflower transplants under greenhouse conditions. The strains of Bacillus megaterium TV-3D, B. megaterium TV-91C, Pantoea agglomerans RK-92, B. subtilis TV-17C, B. megaterium TV-87A, B. megaterium KBA-10 were used in this study. The results of this study showed that different bacterial inoculations increased plant growth parameters such as fresh shoot weight, dry shoot weight, root diameter, root length, fresh root weight, dry root weight, plant height, stem diameter, leaf area and chlorophyll contents of cauliflower transplant respectively. Except for abscisic acid (ABA), the values of gibberellic acid (GA), salicylic acid (SA), indole acetic acid (IAA) was increased by ratio of 23.64, 89.54 and 25.63%, respectively in compared to the control by application of B. megaterium KBA-10 and P. agglomerans RK-92. The amount of organic acids with B. subtilis TV-17C PGPR applications have increased at a ranging ratio from 9.63 to 186.02%. Also, PGPR inoculations increased the macro and micro nutrient content of cauliflower transplants. As a result, the use of bacteria treatments may provide a means of improving transplant growth and quality in cauliflower.
7
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Evaluation of seed yield, oil and mineral contents inbred pumpkin lines (Cucurbita pepo L.) under water stress

76%
Seymen M., Dursun A., Yavuz D., Kurtar E. S., Ozbahce A., Turkmen O.
Acta Scientiarum Polonorum. Hortorum Cultus
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2020
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tom 19
|
nr 3
Water stress is one of the main constraints which could limits crop productivity, especially in arid and semi-arid regions characterized limited water resources. This study was conducted to investigate the seed yield, oil and mineral contents of 44 lines and 4 commercial pumpkin varieties (2 local and 2 hybrids) in irrigated and drought stress conditions. The study was conceived as a randomized block design with three replications and carried out during the 2017 growing season. On average, the irrigated plots produced 161.27 kg da⁻¹ seed yield whereas it was 33.67 kg da⁻¹ in non-irrigated plots. The highest yield among the commercial pumpkin varieties was obtained from the G2 hybrid variety in the irrigated conditions. On the other hand, in the non-irrigated plots, higher seed yields were obtained from G9, G34, and G36 pure lines. Drought resulted in a remarkable decrease in the total oil content and significant increase in the amount of Ca and Zn in pumpkin seeds. These results clearly indicated that G9 line, which has the highest seed yield in both irrigated and drought conditions, can be utilized as a recommendable parental pumpkin line in future hybrid breeding efforts.
8
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Effects of intercropping system and nitrogen fertilization on land equivalent ratio, yield and mineral content of broccoli

64%
Yildirim E., Cil B., Ekinci M., Turan M., Dursun A., Gunes A., Kul R., Kitir N.
Acta Scientiarum Polonorum. Hortorum Cultus
|
2020
|
tom 19
|
nr 3
To determine effects of intercropping broccoli with onion and their correspondence to different nitrogen concentrations on growth, yield and nutrient contents, field studies were conducted for two years. In intercropping plots, onion sets were planted between broccoli rows. Broccoli and onion plants were also grown as monocrops. Nitrogen (N) was applied at three different rates (160, 200 and 240 kg ha⁻¹) in both mono and intercrop plots of broccoli. The overall efficiency of intercropping was evaluated by employing land equivalent ratios (LERs). Cropping systems significantly did not affect chlorophyll reading value, yield and other parameters observed. However, nitrogen application rate had significant effect on these parameters. The highest values of these parameters were generally observed in 240 kg N ha⁻¹ application. Macro and microelement content of broccoli leaves was affected neither by cropping systems nor by nitrogen fertilization except for N, Mn, Zn and NO₃. Intercropping increased plant height but decreased the plant diameter of onion. There wasn’t significant decrease in plant weight of intercropped onion at 240 kg N ha⁻¹ treatment when compared to monocropping. Broccoli intercropped with onion at 240 kg N ha⁻¹ had the highest LER values, showing that intercropping practice could be more productive than monocropping especially in case of 240 kg N ha⁻¹ application.
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