THE EFFECT OF HARVESTING DATE ON SOME AGRONOMIC ANDQUALITY CHARACTERISTICS OF PEANUT GROWN INTHE MEDITERRANEAN REGION OF TURKEY

İngilizce (OpenAlex)

This study was conducted at the experimental area of the Department of Field Crops, Faculty of Agriculture,Cukurova University as a main crop in 2013 and 2014. The objective of this study was to determinate the effectof harvesting dates on yield and some agronomic traits, seed and oil quality of peanut (Arachis hypogea L.)grown in the Mediterranean region. The experimental design was a Randomized Complete Block Design withthree replications. The Halisbey peanut variety (Virginia market type) was used as a plant material in thisresearch. Pod yield per hectare, shelling percentage, 100-seed weight, protein and oil percentage, fatty acids(palmitic, stearic, oleic and linoleic acids) composition and oil quality (oleic acid to linoleic acid ratio, iodinevalue) traits were investigated. According to a two-year average, the highest pod weight (84.24 g plant-1) andpod number (36.83 no. plant-1) per plant was obtained when the plants were harvested at 180 days afterplanting (DAP). The shelling percentage and 100-seed weight increased when the harvesting was delayed. Thehighest pod (8002.6 kg ha-1) was obtained when the plants were harvested at 180 DAP. The oil and proteinpercentage ranged from 48.66-49.66% and 24.65-25.89% respectively. The oleic and linoleic acid contentvaried between 51.54-54.94% and 24.65-26.78%, respectively. Oleic acid to linoleic acid ratio (O/L) increasedwhen the harvesting time was delayed.