J.A. Ugwu1*, V.C. Umeh2, K.T. Kareem3 1Federal College of Forestry Ibadan, Forestry Research Institute of Nigeria, P.M.B.5087, Jericho Hills, Ibadan, Oyo State, Nigeria 2National Horticultural Research Institute. P.M.B. 5432, Idi-Ishin, Jericho Reservation Area, Ibadan, Nigeria 3Insti