Conservation of the Bird Cherry ( Mill.) Germplasm by Cold Storage and Cryopreservation of Winter Cuttings.

Conservation at cryogenic temperatures, usually in liquid nitrogen (LN) or in its vapor, is the only reliable method for the long-term ex situ conservation of fruit and berry crops with vegetative reproduction. In this study, five bird cherry ( Mill.) varieties of different genetic origin from the bird cherry genebank at the N.