Investigatin of the cultivation possibilities of main cropsunflower (Helianthus annuus L.) varieties in Batman provinceconditions

This study was conducted to compare the agricultural performances of different sunflower (Helianthus annuus L.) varieties in the main crop planting conditions of Batman province in the 2024 vegetation period and to contribute to the determination of high-yielding, high-quality varieties suitable for the region. The experiment was established according to the randomized block design with three replications, and a total of 10 sunflower varieties (Sy Alcantara, Sy Chelsea, Sy Kiara, Sun 2259 Cl, P64lp130, Tr2242 Cl, Sun 2239 Cl, Deray, Suomi Hts, Sy Granit) were randomly distributed to the plots in the blocks. The scope of the research; Important agricultural and quality traits such as plant height (cm), head diameter (cm), stem thickness (cm), number of leaves (number), grain length (mm), grain width (mm), inner-shell ratio (%), thousand grain weight (g), yield (kg/da), oil ratio (%), protein ratio (%) and harvest index (%) were evaluated. The obtained data were subjected to variance analysis and it was determined that there were statistically significant differences between the varieties in terms of all traits. The findings obtained as a result of the research; the highest grain yield was observed in Sy Alcantara (322,17 kg/da) and Sy Kiara (321,50 kg/da) varieties, and Sy Kiara variety also stood out with its 38,83% oil ratio. These varieties are considered as promising alternatives for the region in terms of important agricultural traits such as high yield and oil content. These findings provide significant guidance to producers and researchers in variety selection for oilseed sunflower cultivation in Batman province and the Southeastern Anatolia Region with similar ecological conditions.