Adomako, J. and Kwoseh, C. 2016. Effect of Castor Bean (Ricinus communis L.) Aqueous Extracts on the Performance of Root-Knot Nematodes (Meloideogyne spp.) on Tomato (Solanum lycopersicum L.). Journal of Science and Technology. 33, 1 (Feb. 2016). DOI:https://doi.org/10.4314/just.v33i1.68.