stability analysis and g*e interaction of eight commercial monogerm cultivars of sugar beet were evaluated in three years at 11 major sugar beet producing locations karaj, mashhad, miandoab, esfahan, shiraz, kermanshah, kerman, moghan, hamedan, khoy, and brojerd. a randomized complete block design with four replications was used.in each location cultivars  rasoul, shirin, univers, orbis, 7112hy...