Sugar beet varieties' micro trials were conducted at Kikinda site in 2005 and at five localities from the provincial trial network in 2006. The micro trials were set according to standard methods with 5 replications each year. Sugar beet was harvested at two periods in both years. Chemical analyses were conducted at the laboratories of the Faculty of Technology. The obtained data were processed according to the standard methods used in the Serbian sugar industry. Statistical analysis was performed using two-way ANOVA procedures. The results showed that varieties with triple tolerance to diseases (Solea and Gazeta) had marked performance in the trial at Kikinda site as compared to other varieties. Variety Solea was the highest in granulated sugar yield (10.941 t/ha) while control had 6.565 t/ha in the second harvest term at Kikinda site. The lowest infestation level with Cercospora beticola was recorded for the above mentioned varieties with triple tolerance and which were scored with 1.8 and 1.3 points, respectively, in the ranking scale that ranged from 0 to 5 points. Similar results were obtained in the second year of experiment. Variety Prestige, also triple tolerant to diseases, showed the best performance in the granulated sugar yield, yielding 13.969 t/ha. This variety showed the best tolerance to Cercospora beticola, being scored with only 0.4 points on the ranking scale for infestation level. Accordingly, the triple tolerant varieties of sugar beet were among the highest in the root and granulated sugar yields with equal number of treatments against Cercospora beticola.