Validation of the use of secondary traits and selection Indices for drought tolerance in tropical maize (Zea mays l.) Author/Editor(s): Mhike, X.Okori, P.Magorokosho, C.Thokozile , Ndlela.Date of publication: 2012RUFORUM Journal Articles Read more about Validation of the use of secondary traits and selection Indices for drought tolerance in tropical maize (Zea mays l.)