Evaluation of Genetic Diversity of Seven Species of Solanum in Nigeria Using SDS-PAGE

Seed protein profile of 12 accessions belonging to 7 species of the genus Solanum of the family solanaceae were investigated through poly acrylamide gel electrophoresis. The accessions were selected based on their overlapping morphological associations observed on the field. Occurrence of two protein bands of molecular weights 100 kda and 20 kda in all accession showed interspecific relationships and could be used as generic bands among the genus Solanum. All morphologically similar accessions manifested similarities in their protein bands except S. melongena. Dendrogram based on upgma also revealed the generic status and intraspecific relationships of the accession of S. aethiopicum and S. macrocarpon.