Abstract

Aim. To determine the patterns of inheritance and variability of nutmeg aroma in seedlings of hybrid combinations with different genetic bases. Results and Discussions. Selection of parents and segregation of hybrids were analyzed by expression levels and peculiarities of palatability-aroma complex of seedlings. Breeding analysis of seven hybrid grape combinations obtained from one or from both parents with muscadine flavor was conducted. The expression level and characteristics of muscadine flavor depended on the selection of parents. Several donors of the " muscadine flavor" trait have been identified. It was proven that this trait of breeding interest was inherited from old varieties by a greater portion of seedlings in a combination than from complex interspecies hybrids of the new generation. A number of promising seedlings are presented; they were selected by a set of traits of breeding interest: resistance to pathogens, yield, large fruits, and product quality. Conclusions. Thus, the trait "muskat flavor" has a significant heritability in offspring, polygenic nature of inheritance and manifestation. Varieties – donors of muscadine flavor are Kardyshakh Tairovskyi, Marselskyi Chornyi Rannii, and Muskat Odeskyi. In order to obtain a muscadine-lemon aroma, we recommend using Varieties Hechei Zamatosh, Opalovyi and Muskat Odeskyi. Greater segregation of the aroma complex was observed in combinations not only from muscadine varieties, but also from varieties with varietal aromas, especially of the technical use, such as Zahrei, Riton, and Opalovyi.

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