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¹ Urmia Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Bölümü, Urmia,Iran
² Ankara Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Bölümü, Dışkapı-Ankara DOI : 10.21566/tarbitderg.281856 - In order to increase sugarbeet competitiveness it is necessarry to consider many things. It is not possible to crystalyze all sugar in sugarbeet. Some characteristics of sugarbeet that determine the quality are nonsugar substances. The aim of the study was to find the effects of different sugarbeet cultivars on the quality of the plant. the study was carried out during 2005-2006 at the agricultural lands of Sulduz region (most important region in terms of sugarbeet production), West Azerbaycan Province, Iran, affiliated to the Sugarbeet Factory of the region. The sugar percentage and the amounts of Na, K and N were analysed by Betalyser System (Sucromat automatic Saccharometer, flame photometer and testamin photometer). Crystallized sugar percentage, alkalinity, the precentage of sugar in molasses and sugar yield were also determined. The findings showed that sugar percentage, amount of K, Na, N, alkalinity, crystallized sugar percentage, sugar yield and percentage of sugar in molasses were between %14.88-19.21, %3.71-5.05 (meq/100 g pulp), 1.4- 3.73 (meq/100 g pulp), 1.91-2.89 (meq/100 g pulp), 2.48-7.35, %11.63-16.53, %78.08-87.85 and %2.28-3.25 respectively. Keywords : Alkalinity, Sulduz, sugar beet, sugar yield, cultivar