Open Access Research Paper Views (677) Intra species association of some yield parameters in half-sib families of Allium cepa L. I.B. Gashua, G.A. Gwayo, A. A. Oyedeji, J. T. Samaila J. Biodiv. & Environ. Sci. 4(6), 46-52, June 2014. Keywords: Correlation, Cultivars, Half-sib, Intra species, Yield parameters Details