Genetic diversity of white sapote (Casimiroa edulis La Llave & Lex.) demonstrated by intersimple sequence repeat analysis

Abstract

Phylogenic relationships among 31 cultivars of white sapote (Casimiroa edulis La Llave & Lex.) were examined by intersimple sequence repeat (ISSR) analysis. Polymorphic fragments were obtained in 24 of 100 ISSR primers (UBC Set#9, 801-900). Although 'Cuccio' and 'Florida' showed identical fragment patterns, the remaining cultivars could be distinguished from each other. The present study demonstrated the usefulness of ISSR analysis for cultivar identification and phylogenic study in white sapote.