Obtaining of nectarinum (Prunus persica (L.) Batsch subsp. nectarina (Ait.) Shof.) polyploid plants in Nikitsky Botanical Gardens

Firstly in Ukraine as the result of resiprocal interbreedings of autotetraploid (2n=4x=32) / diploid (2n=2x=16) and diploid (2n=2x=16) / Rug Proofer autotetraploid (2n=4x=32) four sintetic triploid (2n=3x=24) hybrid forms (611-91, 13-93, 14-93, 18-93) have been obtained.Spontaneous triploid nectarinum 166-80 has been shared out from diploid hybrid seedlings population.Tetraploid and triploid nectarinum forms are valuable sources for directoinal selection and making hybrids with the complex of new signs, which are Coaxial Cable difficult or impossible to receive on diploid level.