The Effect of Water Extract of Salam Koja Leaf (Murraya Koenigii (L.) Spreng) Against Root-Knot Nematode (Meloidogyne Spp.) in Tomato Plants

Root-knot nematodes (Meloidogyne spp.) is one of the pathogens that attack tomato plants so it can reduce production. One alternative to control Meloidogyne spp. environmentally friendly use botanical nematicides. Salam Koja (Murraya koenigii (L.) Spreng) has potential as a nematicide because its leaves contain secondary metabolites which are antihelmintic. The purpose this study was determine effect water extract M. and obtain best concentration in suppressing on plants. This research conducted at Greenhouse, Department Plant Pests Diseases, Faculty Agriculture, Universitas Padjadjaran, Jatinangor. used an experimental method with randomized block design consisting 6 treatments 4 replications. included (without leaves), concentrations 6%, 9%, 12%, 15%, carbofuran 2 g/plant. results showed had root-knot highest 15% effective suppression number galls roots (38.57%) juvenile (J2) 100 ml soil (81.03%). Murraya koenogii leaf be