Nematodes cause yield losses to cultivated crops. Currently, synthetic chemicals are the most effective management strategy, but this option threatens man and the environment. Phytochemicals provide a sustainable management option. When inoculated with a Meloidogyne arenaria-incognita- javanica complex in a glasshouse experiment, Mucuna pruriens and Crotalaria spectabilis were poor or non- hosts. However, Dolichos lablab was highly susceptible. The root system of D. lablab stimulated population increase but the leaf eluant proved lethal. Thus, different parts of a plant contain ...