Open Access Research Paper Views (816) The effect of 2,4-D on callus induction using leaf lobe of sweet potato as a source of explant F. Addae-Frimpomaah, E. Arkorful, T.K. Tengey Int. J. Agron. & Agric. Res. 5(1), 16-22, July 2014. Keywords: 2, 4-Dichlorophenoxyacetic acid, Callusogenesis, CLC/ Ipomoea medium, Leaf lobes Details