PJB-2022-486
EFFECT OF VERMICOMPOST TREATMENT ON OIL QUALITY AND FATTY ACID COMPOSITION OF PEANUT (Arachis Hypogaea L.)
Dr. Mustafa YILMAZ
Abstract
This research was conducted under Osmaniye ecological conditions to determine the effect of vermicompost treatment on oil quality and fatty acid compositions of peanut (Arachis hypogaea L.) in 2020-2021. The research was designed in a randomized complete block design with three replications. Peanut variety NC 7 was used in the study. Vermicompost was applied in nine different doses. In the study, oil content, oleic acid, linoleic acid, palmitic acid, stearic acid, behenic acid, arachidic acid, O/L ratio and iodine value were investigated. According to the results, it has been found that oil content varies between 48.38% (T9) and 50.43% (T5). The ratio of oleic acid was recorded between 56.90% (T9) and 59.42% (T5) while the ratio of linoleic acid between 21.15% (T9) and 23.59% (T8). Lowest palmitic acid value (8.87%) was recorded for T8 treatment whereas highest palmitic acid value (9.21%) was obtained from T6 treatment. Lowest O/L ratio (2.42) was obtained from T8 treatment while highest O/L ratio (2.77) was obtained from T4 treatment. The iodine value varied between 85.56% and 90.28% for T9 and T5 application, respectively. The findings indicate that under the ecological conditions of Osmaniye, soil and foliar treatment of vermicompost show a significant increase in oil content, oleic acid, linoleic acid and iodine values of peanut.
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