Effect of Cineraria maritima, Ruta graveolens and Tagetes erecta leaf and root extracts on Italian populations of Meloidogyne species.

Extracts from Tagetes erecta and Cineraria maritima showed good nematicidal activity against Meloidogyne aremaria, M. hapla and M. javanica, but not on M. incognita. Ruta graveolens had a Greater nematicidal effect on all species tested, and in particular the leaf extract was more efficient than fenamiphos. Root leachates showed no nematicidal activity.