Abstract
Neem crude products like leaves, cake and seed and a refined product viz aza significantly reduced the mobility of juveniles within treated soil. Among the crude products neem leaves were more toxic to juveniles as compared with neem cake and seed. The refined product, aza also significantly reduced the mobility of juveniles. It was observed that by increasing the dose of aza, the mobility of juveniles was reduced correspondingly. Key words: Root-knot nematodes, Meloidogyne javanica, neem, Azadirachta indica, aza, botanical nematicides