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Agronomy Science Baner text

Vol. 80 No. 4 (2025)

Articles

Molecular identification and genetic diversity assessment of Mentha genotypes using SCoT and ISSR DNA markers.

DOI: https://doi.org/10.24326/as.2025.5594
Submitted: September 1, 2025
Published: 31.12.2025

Abstract

Abstract. The aim of this study was to molecularly identify and assess the genetic diversity of 12 Mentha genotypes using, for the first time, two types of DNA markers simultaneously – ISSR (inter simple sequence repeats) and SCoT (start codon targeted). Selected genotypes representing various Mentha species and varieties were analyzed to determine the level of genetic similarity and phylogenetic relationships between them. The level of polymorphism obtained for ISSR markers was 71%, while for SCoT it was 88.7%. The obtained data were analyzed, allowing for the assessment of the level of genetic similarity and the construction of dendrograms illustrating the genetic structure of the studied population. Studies indicate that the use of SCoT markers enables the identification of the following genotypes: Plectranthus amboinicus (Lour.) Spreng, Mentha pulegium L., Mentha spicata L. cv. Moroccan, Mentha suaveolens Ehrh. var. variegata (pineapple mint), Mentha spicata L., and Mentha longifolia L. ISSR markers, due to the generation of only monomorphic and polymorphic bands, do not allow for the direct identification of any of the studied genotypes. Data from both marker systems indicate significant genetic diversity among the analyzed genotypes, which may be important for breeding programs and the conservation of genetic resources of the Mentha genus.

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