 The station's stone fruit and quince collections are the largest and most important in Russia or any part of the former Soviet Union.Of the 9,000 accessions of Prunus, about 5,000 to 6,000 are wild species and forms, 500 to 1,000 local varieties, and 2,000 to 3,000 cultivars and breeding materials.The station is also known for the creation of fruit-tree rootstocks, which are named after the town + a number (e.g.