EN
The object of the research was susceptibility of field bean to grain damage caused by larvae of Bruchus rufimanus Boh. The research was conducted in 2005–2007. Field experiments were designed with standard randomized block in four replications including 8 field bean cultivars. The highest percentage of damaged grain was recorded on the cultivar Martin 25.6% in 2005, and on cultivars Martin and Bobas in 2006, respectively 27.2 and 22.7%. In 2007 the highest grain damage 79% was shown on the cultivar Bobas. The lowest percentage rame of grain damage was recorded on the cultivar Leo in 2005 and 2006 amounted to 2.2 and 7.2% respectively, and in 2007 on cultivars Leo 40.2% and Nadwiślański 42.0%. The average yield of field bean ranged from 27.6 to 65.5 dt/ha in the analyzed period of the rescarch.