Molecular biology techniques based on DNA analysis are being increasingly
used in modern plant breeding. In most cases DNA amplification methods using the PCR
are being applied. The aim of this study was to assess the applicability of RAPD technique
in identification of interspecific hybrids from genus Capsicum. The material consisted
of selected interspecific hybrids (C. frutescens × C. annuum), (C. frutescens ×
C. chinense) and (C. frutescens × C. baccatum) and their respective parental breeding
lines. The research was conducted with fifteen decamer primers. The size of amplified
products ranged from 122–2127 bp, and their number from 3 to 17 per primer. All
15 primers made it possible to analyze 143 loci, of which 111 were polymorphic. The
analysis of electrophoretograms allowed the identification of all studied genotypes and
confirmation of hybrid origin of all tested hybrids. Two RAPD markers were obtained for
the C. frutescens × C. annuum hybrid, two markers for C. frutescens × C. baccatum hybrid
and five markers for C. frutescens × C. chinense. The data obtained were used to calculate
the genetic distance between the investigated genotypes and construction of dendrograms.