Interactions between the closely related potato cyst nematode species Globodera rostochiensis (Woll.) and G. pallida (Stone) : DIZ / L.J.M.F. den Nijs. -- Wageningen : Landbouwuniversiteit, 1992. -- 75 s. -- obr., tab. -- Res. angl. háďatka * Globodera rostochiensis * škodcovia zemiakov * nematocysty