Fusarium wilt of oilseed rape and some other crucifers caused by Fusar
ium oxysporum was studied. Symptoms of the disease and effects of temp
erature and genotype on dynamics of the fusriosis development are disc
ribed. Harmfulness of the disease has been estimated. Over 1300 spring
oilseed rape plants were tested in the field with Fusarium wilt nurse
ry and several high resistant samples were revealed.