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    Comparison of Quality and Yield Components of Peanut Market Types Using PCA
    (Kahramanmaras Sutcu Imam Univ Rektorlugu, 2023) Sahin, Cenk Burak; Yilmaz, Mustafa; Yildiz, Resat; Isler, Necmi
    The aim of this study was to compare of agronomic and quality parameters of peanut varieties (Arachis hypogea L.) grown as main crop in Mediterranean Region of Turkiye. Principal component analysis (PCA) was used for evaluating the results of varieties. Field experiments were conducted over during the main crop seasons of the years 2018 and 2019. The experiment was designed as randomized complete block design (RCBD) with three replications. Runner (Georgia Green), Spanish (Florispan) and Virginia market types (Sultan, Brantley, BATEM-Cihangir, BATEM-5025, Arioglu-2003, Halisbey, NC-7, Flower-22, Wilson, NC-V-11, Com, Osmaniye-2005, Gazipasa) peanut varieties were used as plant materials. According to PCA two-year average, PC1, PC2 and PC3 explained about 80% in joined years. Georgia Green could be recommended to achieve high efficiency shelling percentage (73.96%) and pod yield (497.24 kg da-1), and Arioglu-2003 could be the optimum selection on the first quality pod ratio (80.28%) and protein content (28.76%).
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    Determination of Oil Quality Factors and Fatty Acid Compositions of Some Peanut Varieties
    (Univ Namik Kemal, 2023) Yilmaz, Mustafa; Sahin, Cenk Burak; Yildiz, Resat; Isler, Necmi
    The aim of this study was to determine the oil properties and fatty acid compositions of peanut cultivars (Arachis hypogaea L.) grown as the main crop in the Eastern Mediterranean transition zone of Turkey. The field experiment was conducted at the Oil Seed Research Institute experiment area in the main crop seasons of 2018 and 2019. The experiment was designed according to the randomized complete block design (RCBD) with three replications. Oil ratio, saturated fatty acids (palmitic acid, stearic acid), unsaturated fatty acids (oleic acid, linoleic acid), iodine value, and oleic/linoleic acid ratios were investigated in the experiment. Runner (Georgia Green), Spanish (Florispan), and Virginia market types (Sultan, Brantley, BATEM-Cihangir, BATEM-5025, Arioglu-2003, Halisbey, NC-7, Flower-22, Wilson, NC-V- 11, Com, Osmaniye-2005, Gazipasa) varieties were used as plant materials. As a result of this study, NC-V- 11 (52.23%) cultivar with the highest oil content was determined, followed by Florispan (52.16%), Brantley (52.10%), and Gerogia Green (51.54%). The lowest oil content was obtained from BATEM-Cihangir (44.57%) variety. Brantley variety was found to have the least palmitic acid ratio with 8.04%, while Florispan variety was found the highest with 12.24%. In terms of stearic acid ratios, the lowest value (1.38%) was determined in Com variety, while the highest value (2.91%) was found in Brantley variety. Brantley variety was found to have the highest oleic acid content (71.83%), which is one of the unsaturated fatty acids. Florispan variety had the lowest oleic acid content (43.70%). While Brantley variety had the lowest linoleic acid ratio (9.78%), it was determined that Com variety had the highest linoleic acid ratio (35.77%). The iodine value varied between 78.71-100.71, the lowest value was in Brantley and the highest value was in Com. The oleic acid/linoleic acid ratio was determined to vary between 1.22 and 7.35, the lowest value was in Florispan and the highest value was in Brantley. As a result of the research, it was determined that the variety with the highest oleic acid ratio in the Eastern Mediterranean Transition Zone was Brantley. Peanuts with high oleic acid content are preferred by producers and consumers because they have good quality and extend the shelf life of products producing with them.