title: Breeding institutions of Russia and their contribution to improving the apple tree assortment
abstract: The requirements for apple cultivars are constantly increasing due to the improvement of their cultivation techniques. Even cultivars, which satisfied consumers 20-30 years ago, now do not meet due to the changed requirements. One of the main reasons for this lag of breeders is the duration of the juvenile period in hybrid apple seedlings. According to our data, it takes 27 years to create one cultivar (from hybridization to inclusion of the cultivar in the State Register of Breeding Achievement
journal: Vestnik of the Russian agricultural science