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    Determination of yield and yield components in different sowing times of black seed (Nigella sativa l.) in hatay ecological conditions
    (Inst. Nat. Cercetare-Dezvoltare Text. Pielarie, 2020) Eren, Yilmaz; Kaya, Durmuş Alpaslan
    This study was carried out in order to determine the yield and yield components of Nigella sativa L. grown in different cultivation periods in Hatay ecological conditions at Mustafa Kemal University, Faculty of Agriculture, Medical Plants trial area in 2018-2019. The experiment was laid out at spilt plot in randomized blocks with three replications. Trial; The parcels split in random blocks were carried out with 3 repetitions according to the trial pattern. In the trial, sowing was carried out on 15 November, 1 January, 15 February, 1 March, 15 March, 1 April, 15 April, 1 May and 15 May. In the study, some properties related to phenological, herbal properties, yield and yield components were examined during field trial and after harvest. As a result of the measurements taken, the plant height is 19.03-54.00 cm, the number of branches is 8.80-3.78 number/plant the number of plant capsules 3.73-20.67 number/plant, thousand grain weight is 3.04-2.10 g, seed yield is 3.65-51.81 kg.da-1, constant oil rate % was found between 22.47-32.07 values. Due to the increase of summer temperatures early in Hatay ecological conditions, the yield and yield factors of summer planting decreased in this period compared to winter planting. For this reason, November 1-15 is recommended as the most suitable sowing time for black seed in Hatay ecological conditions. © 2020 Toate drepturile asupra acestei edi?ii sunt rezervate editorilor.
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    DIURNAL VARIATION OF ESSENTIAL OIL RATIO AND COMPOSITION OF SOME BASIL GENOTYPES
    (Bangladesh Botanical Soc, 2022) Aygun, Yusuf Ziya; Eren, Yilmaz; Ertekin, Esra Nermin
    The change of essential oil ratios and components of five different basil genotypes harvested at different times (00:00, 06:00, 12:00, 18:00) in day was investigated. Plants were grown under the field conditions and essential oils of the plants were extracted by hydro-distillation method. Identification of essential oil components were performed by GC-MS. It was the G5 genotype that had the highest essential oil content in all plant parts, regardless of the time of day. The highest essential oil content (2.8%) was obtained from the dry leaves of the G5 genotype from the sampling made at 18:00. The main components of essential oils were determined as linalool, eucalyptol, trans alpha-bergamotene, methyl cinnamate, alpha-muurolol and eugenol. However, while the ratios of these components differed between genotypes, the changes in time of day were similar for some components. Linalool content tended to increase mostly in the middle of the day. This study indicated that essential oil ratio and components of different basil genotypes significantly differed according to harvesting times in day.