Abstract
The research was carried out in the irrigated trial areas of Atatürk University Faculty of Agriculture in 2009 and 2010. 7 different local sunflower varieties (Edirne-black-seeded, Edirne-white-seeded, Erzurum-black-seeded, Erzurum-white-seeded, Kırklareli-black-seeded, Kırklareliwhite-seeded and Tekirdağ) from 3 different harvest times (table formation, full flowering and seed filling) were examined for silage. In the study, silage was carried out using 5 different additives (additive-control, 10% barley, 10% straw, 5% molasses, 1% salt). Dry matter ratio, crude protein ratio, ADF ratio, NDF ratio, relative feed value and pH values were determined in silage. The results showed that local varieties, form times and additives have important effects on silage quality of sunflower. Using barley and molasses as additives significantly improves silage quality. Although the delay in form time decreased the crude protein ratio and increased the ADF and NDF ratios, it improved the dry matter ratio and silage pH.
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