Abstract
DNA-markers are actively used for the fin-gerprinting of genotypes, identification of va-rieties, in phylogenetic studies, for assessing genetic diversity, for mapping genes, etc. The article presents an analytical review of the achievements in the use of molecular markers in grape genetics as a basis for breeding works. Information is given about mapped genes and quantitative traits loci of grapes (QTL), about identified DNA-markers. It is shown that, using DNA-markers, was imple-mented the identification of genetic determi-nants determining such traits as resistance to pathogens (Agrobacterium sp. Plasmopara viticola, Erysiphe necator, Guignardia bidwellii, etc.), as well as grape quality indica-tors (berry pulp structure, berry size, seedless-ness, etc).Also, sets of DNA-markers have been developed for many of the identified genes. DNA-markers are used to identify genes of valuable traits in hybrid populations and to select the parental forms - gene donors. The DNA-marking method is used in the breeding to accelerate the transfer of econom-ically valuable genes and create new varieties with the required traits. The progress of mo-lecular genetic research in recent decades opens up new opportunities for grape breed-ing. The expediency of using DNA-markers and their selection for research should be as-sessed precisely for a specific breeding pro-gram.
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