The assessment of varieties specimens of bird-cherry depending on their genetic origin in the north-east of Russia

The results of introduced species of bird cherry in soil and climatic conditions of Kirov Region are given in the study. The best ones were distin- guished according to the complex of economically valuable signs of bird cherry of different varieties and genetic origin for winter hardiness, growth force (tree height and crown volume), features of the passage of phenological phases, resistance to damage by pests and diseases, fruit quality as-sessment. The studies were carried out in the col- lection garden of the plant nursery LLC ‘Bystry sad’. Variety samples obtained from 4 species were studied: bird-cherry tree ordinary or wrist (Рadus avium Mill.) - the form plena (terry), Meteo, Colorata; Bird-cherry Lauha (P. × laucheana), hy- brid varieties of bird cherry and virgin): Pamyati Salamatova (control), Granatovaya grozd, Neubiennaya, Purpurnaya svecha, Sibirskaya krasavitsa, Chemalskaya roskoshnaya, Olgina radost, Chemalskaya krasavitsa, Bird-cherry virginskaya (Padus virginiana (L...