Turkish Journal of Field Crops

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COMPARISON OF OIL CONTENT AND FATTY ACIDS COMPOSITION OF SESAME (Sesamum indicum L.) VARIETIES GROWN AS MAIN AND DOUBLE CROP IN MEDITERRANEAN ENVIRONMENT IN TURKEY

Halil BAKAL

Abstract

This study was conducted during 2018 and 2019 growing seasons at the Experimental area of Cukurova University, Faculty of Agriculture in Mediterranean region (Adana, Turkey). The objective of this study was to compare of oil content and fatty acids composition of sesame varieties grown as a main and double crop. The experimental design was a Randomized Complete Block with three replications. Arslanbey, Batem-Aksu, Batem-Uzun, Baydar-2001, Boydak, Cumhuriyet-99, Golmarmara, Hatipoglu, Kepsut-99, Muganli-57, Orhangazi-57, Osmanli-99, Ozberk-82, Sarisu, Tan-99, Tanas and Sari Susam genotypes were used as a plant material in this study. These varieties were registered by the different Research İnstitutes and Faculties in Turkey. Oil content and fatty acids composition (oleic acid, linoleic acid, stearic acid and palmitic acid) of sesame varieties were investigated and compared in main and double crop growing seasons. The results showed that the considerable variation was found in oil content and fatty acids composition among the sesame varieties grown in main and double crop growing seasons. Oil content, palmitic and oleic acid percentage of the sesame varieties were higher in main crop than in double crop growing season whereas, stearic and linoleic acid percentage of the sesame varieties were found higher in double crop than in main crop growing season.

Keyword: Fatty acid composition, Growing season, Oil content, Sesame ,
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Effects of Different Water Stress Levels on Biomass Yield and Agronomic Traits of Switchgrass (Panicum virgatum L.) Varieties under Semi-Arid Conditio

Erdal GONULAL, Suleyman SOYLU, Mehmet SAHIN

Abstract

A field experiment was conducted in the Wielkopolska region at the Gorzyń Research Station, Poland (52.34°N, 15.54°E) in Central Europe. The study was conducted over a 3-year period (2017, 2018, 2019) as a two-factorial design with four replications in the RCBD. The aim of the research was to determine the effect of the cultivar (‘Bolero’, ‘Tytan’) and the inoculation (Nitragina–seeds inoculation, Nitroflora I–seeds inoculation, Nitroflora II–soil inoculation, HiStick® Lupin–seeds inoculation) on plant development, seeds chemical composition and yielding of narrow-leaved lupin. The weather conditions and experimental factors significantly influenced on productivity of narrow-leaved lupin ‘Tytan’. Drought during the growing season reduced seeds and protein yields. After inoculation of HiStck the seeds yield was significantly greater by 12.4% (p < 0.01) and the protein yield after application of Nitroflora I or HiStick by 13.9% (p < 0.01) and 19.2% (p < 0.01), respectively. Correlation coefficients showed strong relations between number of pods and seeds per plant in both cultivars regardless of the inoculation variant, however the strongest relations in both cultivar were proved on HiStick treatment.
Keyword: Biological nitrogen fixation, chemical composition, legumes, protein efficiency, yielding
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