Genetic collection of plums ARHIBAN as the basis for the selection of culture in the Moscow Region
The issues of creating, studying and preserving the genetic collection of plum, consisting of 264 cultivars and varieties Prunus species, interspecific hybrids, complex interspecific hybrids and polyploids in ARHIBAN, the share of foreign cultivars is 5%. The principles of selection of samples of bioresource collection ex situ are given. Given the varieties that replenished the collection in recent years. New sources of economically valuable traits are described (plum: hybrid UB; Russian plum: hybrid 8/26 (Mednoplodnaya), hybrid KP / 18; sloe: hybrid 6/24).