Oil cakes incorporated into the soil at the rate of 250 kg/ha significantly suppressed the incidence of the root-knot nematode, Meloidogyne incognita, in pointed gourd (Trichosanthes dioica). Neem cakes was more effective than mahuva or mustard cake in reducing root galling and in protecting fruit yield and compared favourably with carbofuran applied two kg ai/ha.