Effect of Castor Bean (Ricinus communis L.) Aqueous Extracts on the Performance of Root-Knot Nematodes (Meloideogyne spp.) on Tomato (Solanum lycopersicum L.). JUST [Internet]. 2016 Feb. 19 [cited 2026 Jun. 11];33(1). Available from: https://journal.knust.edu.gh/index.php/just/article/view/68