I.Atugwu A, N.Onyia V, I.Soluobi B, Eze E, Chukwu C. GENETIC PROGRESS IN EARLY HYBRID (F 1 F4) POPULATIONS ARISING FROM CROSSES AMONG FOUR SOLANUM (E GG PLANT) GENOTYPE. Journal of Animal and Plant Sciences. 2019;29(4):1169-1181.