Introduction of beet cyst nematode resistance from Sinapis alba L. and Raphanus sativus L. into Brassica napus L. (oil-seed rape) through sexual and somatic hybridization : DIZ / Cilia L.C. Lelivelt. -- Wageningen : Landbouwuniversiteit, 1993. -- 141 s. -- obr., tab. -- Res. angl., hol. Sinapis alba L. * Raphanus sativus L. * Brassica napus L. * repka olejná * horčica biela * nematody rastlín * odolnosť rastlín * reďkev siata