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Abstract
Assessing genetic diversity of indigenous chilli in Quang Ngai province may contribute to the collection, classification, evaluation and conservation as well as provide genetic information among local chilli germplasm, which could be used for the breeding program. 25 samples chilli varieties collected and 160 RAPD primers were characterized the genetic diversity analysis. RAPD analysis combined with the construction of phylogenetic tree revealed the genetic relationship among researched local chilli. The results showed that 20 RAPD primers generated polymorphic patterns of PCR products. Based on genetic dissimilarity with genetic distance from 0,56 to 1,0. It is suggested that the level of genetic diversity was sufficient for the efficient breeding program and can be used to establish genetic relationships among them with unknown or unrelated pedigrees.