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Keywords:

  • leaf spot diseases of banana;
  • microsatellites;
  • multiplex PCR;
  • Mycosphaerella eumusae;
  • Mycosphaerella fijiensis;
  • Mycosphaerella musicola

Abstract

We developed a total of 50 microsatellite markers for the three fungal pathogens causing the most important leaf spot diseases of banana: 32 loci for Mycosphaerella fijiensis are presented, and nine loci each for Mycosphaerella musicola and Mycosphaerella eumusae. All these loci were polymorphic within each species on a sample of isolates collected from various locations around the world. Within M. fijiensis and M. musicola, most of the loci tested (> 80%) in a sample of isolates from a single location in Cameroon were also polymorphic. Multiplex polymerase chain reaction systems were developed with 15 loci for M. fijiensis.