Plant parasitic nematodes on tomatoes in Somalia with a study of the nematicidal acitivity of some crops against Meloidogyne hapla

botanical pesticides capsicum annuum extractos vegetales helicotylenchus hibiscus esculentus hortalizas (plantas) lycopersicon esculentum meloidogyne hapla meloidogyne incognita nematicides nematocidas nematocide nematodos de las plantas plaguicidas de origen vegetal plant extracts plant nematodes pratylenchus rotylenchus separating separation sesamum indicum solanum melongena tylenchorhynchus vegetable crops