Open Access Research Paper Views (934) Pathogenicity of root-knot nematode (Meloidogyne incognita) on sweet potato (Ipomoea batatas L.) O.S. Osunlola, B. Fawole Int. J. Agron. & Agric. Res. 6(2), 47-53, February 2015. Keywords: growth, Meloidogyne incognita, Pathogenicity, Sweetpotato, Yield Details