Published in Scientific Papers. Series A. Agronomy, Vol. LXVII, Issue 1
Written by Ioan RADU, Lorena-Roxana GURAU, Florin Gabriel ANTON
The fatty acid composition and oil yield on six sunflower hybrids were assessed to notice the effect of sowing time (ST). ST was set taking into account the Celsius degrees at the soil depth of 7 cm at 7 a.m.: ST1 at 5oC, ST2 at 7oC and ST3 at 9oC. The research was performed in the field experiments in Tulcea county in 2021 under rainfed conditions. Averagely oil composition in oleic acid was lower at ST1 (33.93%) and higher in late sowing time (ST2 - 35.05%, ST3 - 35.44%) while linoleic acid was higher at ST1 (54.47%) and lower at ST2 (52.96%) and ST3 (52.31%). The highest oil yield was at ST 2 (1064.46 kg ha-1) fallowed by ST1 (969.16 kg ha-1) and ST3 (858.34 kg ha-1).
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