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¹ Eskişehir Osmangazi Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Bölümü, Eskişehir DOI : 10.21566/tarbitderg.281859 - Field and laboratory experiments were conducted to determine the performance of the coated and uncoated seeds of sugar beet cultivars with respect to germination, emergence, yield and polar sugar content under Eskişehir Conditions in 2014. Coated and uncoated seeds of sugar beet cvs. Eldorado, Coyote, Stine and Giraf were used in the study. Germination percentage, mean germination time, emergence percentage and mean emergence time in laboratory experiment and field emergence percentage, root length, root diameter, root weight, root yield and polar sugar content were measured. The results showed that a significant difference between coated and uncoated seeds for germination and emergence performance was found. Higher germination and emergence percentage were detected in the uncoated seeds while no significant variation was found in field experiments. Differences between coated and uncoated seeds of only cv. Giraf were significant in root yield. It was concluded that any significant advantage between seeds types for root yield and polar sugar content was not determined in field experiments while the superiority of uncoated seeds in laboratory experiment was detected for germination and emergence. Keywords : Beta vulgaris L., seed coating, germination, emergence, root yield