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Articles by Didem TurkOzu
Total Records ( 5 ) for Didem TurkOzu
  Murat Tuncturk , Zehra Ekin and Didem Turkozu
  This research was carried out to determine some important agronomical properties of the black cumin in Van, Turkey. The experiments were designed in a Randomized Complete Block Design with three replications. In the study, four different seed rates 5, 10, 15 and 20 kg ha-1 were applied. The seeds were sown as main crop in 3 April and 10 May in 2001 and 2002, respectively in 25 cm apart and given 30 and 60 kg ha-1 of N and P2O5, respectively. Data were tabulated on mean plant height, the number of branch, the number of umbrella, the number of seeds in the umbrella, thousand-seed weight, seed yield (kg ha-1), essential oil content (%) and essential oil yield (kg ha-1) in both years. It was showed that the analyzed features were generally affected by seed rate applications. Averaged over years, the highest seed yield 701.2 kg ha-1 and essential oil yield 3.5 kg ha-1 obtained from the 15 kg ha-1 seed rate application. It was concluded that the 15 kg ha-1 application were considered the optimum seed rate, having high essential oil and seed yield in the black cumin.
  Bunyamin Yildirim , Omer Terz oglu , Fevzi Ozgokce and Didem Turkozu
  This study has been carried out in Karpuzalan and Ad guzel districts of Van province between the years 2006 and 2007. At the beginning, questionnaires have been conducted in order to learn what kind of plants is used for which purpose by the villagers. After this, these plants have been collected from the fields and identified in Yuzuncu Y l University, Faculty of Science and Letters, Department of Biology and they have been included in herbarium. Later, the villagers defined which of them are consumed for nutritional purposes; which of them are used in herby cheese consumed in the region widespreadly; which of them are used for medical purposes. As a result, the present paper presents new original plants used for drug industry on medical purposes (animal and human health).
  Bunyamin Yildirim , Fikret Yasar , Taylan Ozpay , Didem TurkOzu , Omer Terzio lu and Ahmet Tamkoc
  This study examined the responses to salt stress in 11 pea genotypes and two pea cultivars. Pea genotypes were selected from among wild pea and white flowered pea cross-breed varieties from different regions in Anatolia. In general, root fresh weight (fw) shoot fw, leaf fw, leaf number and chlorophyll contents were found to decrease with increases in salinity, whereas root and leaf MDA ratios increased with increases in salinity. Genotypes 1 (10431), 9 (101917) and 10 (1103220) were found to be the most salt-tolerant. Genotypes 6 (110121) and 7 (B-6) were found to be the most sensitive.
  Bunyamin Yildirim , Fikret Yasar , Omer Terzioglu , Ahmet Tamkoc and Didem TurkOzu
  The present study aimed to investigate the effect of different days (0, 7 and 15th days) and salt applications (salty and saltness) on nutrient element compositions of root, shoot and leaf organs of 11 field pea genotypes (which are nominate pea) and 2 pea cultivars. For this aim, the data were analyzed using three-way-ANOVA (genotypes, salt application and time). In this study determining, the effects of salt stress on nutrient element compositions of these organs, although the effects of salt application, salt by variety and salt by day interactions on Cu element in root were only found to be non-significant, genotypes, salt application, days and their interactions with 2 and 3 degree for other elements were found to be significant. In root and shoot organs, salt application increased significantly Ca, Mg and Zn amounts, but other minerals decreased compared to control group. The application in leaf increased Ca and Mg, whereas others reduced.
  Bunyamin Yildirim , Murat Erman and Didem TurkOzu
  The present study was conducted to determine the effects of sulphur doses (5 doses), year and genotype factors on plant height, pod number, seed number, seed number per pod, biological yield, seed yield and 1000 seed weight on different field peas in experimental field of Yuzuncu Yil University during 2005-2006 years. For this aim, the data were analyzed using three-way ANOVA design (2 genotypes×2 years×5 sulphur doses×3 replications). The effects of genotype factor on pod number (p<0.05), seed yield (p<0.01) and biological yield (p<0.01) were found to be significant, whereas the influence of year on plant height, pod number, seed number and biological yield were significant (p<0.01). It has been suggested in present study that: The effects of genotype by year interaction on seed number and biological yield were significant, the effect of genotype by dose interaction on biological yield was found to be significant, the effects of dose by year interaction on seed number and biological yield were significant and the effects of genotype×year×dose interaction on seed number per pod, seed number and biological yield were found to be significant. As a result, it was concluded that genotype 2 in terms of pod number, seed number and biological yield was found to be more advantageous than genotype 1 as well as the highest seed yield and biological yield were obtained from 4th sulphur dose.
 
 
 
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