Agbo E, Ugese F, Baiyeri P. Vegetative propagation of African walnut (<i>Plukenetia conophora</i>) using pre-treated stem cuttings of varied physiological ages. Agro-Sci. [Internet]. 2015 Jun. 19 [cited 2026 Aug. 26];13(1):37-43. Available from: https://www.ajol.info/index.php/as/article/view/118568