Journal of Food, Agriculture and Environment
Vol 6,
Issue 2,2008
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Effects of sowing periods and P application rates on yield and oil composition of black cumin (Nigella sativa L.)
Author(s):
Süleyman Kizil 1*,
Saliha Kirici 2, Özlem Çakmak 3, Khalid Mahmood Khawar 4Recieved Date: 2007-12-08, Accepted Date: 2008-03-18
Abstract:The study reports effects of winter and spring sowings and 0, 40, 80, 120 and 160 kg ha-1 triple super phosphate (P) application on yield, yield components and fatty acid composition of black cumin during 2003-2004 and 2004-2005 at Diyarbakir, Turkey. The fatty acid methyl esters (FAMEs) were extracted from the reaction vials with hexane. The GC (gas chromatography) analysis was carried out by means of a Varian 3400 apparatus equipped with Supelcowax-10 fused silica capillary column. The results showed that vegetative growth period was the major and meteorological conditions and P doses were the minor factors controlling yield components; such that winter sowing resulted in maximum seed yield (1037 to 1534 kg ha-1), fatty oil content (30.2 to 37.9%) and essential oil content (0.31 to 0.56%). Major constituents of fatty oil were determined as linoleic, palmitic and oleic acid. The percentage of linoleic acid was determined between 43.34 and 51.50%.
Keywords:Nigella sativa L.,
phosphorus doses, fatty oil, fatty acids, linoleic acidJournal: Journal of Food, Agriculture and Environment
Year: 2008
Volume: 6
Issue: 2
Category: Agriculture
Pages: 242-246
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