A BIOLOGICAL AND ECONOMIC FEATURES OF EVERBEARING RASPBERRY IN SOUTHEAST CONDITION OF FOREST STEPPE ZONE IN IRKUTSK REGION

Abstract

The purpose of this work was to study biological and economic peculiarities of repair raspberry varieties cultivated in the south-eastern part of Irkutsk region. The research was conducted on the territory of the collection site of SIFIBR SB RAS. The objects of research were 10 varieties and 3 selected forms of repair raspberries of selection of FSBNU "All-Russian Breeding and Technological Institute of Horticulture and Nursery Management". Raspberries were cultivated in annual culture.Biological and economic peculiarities of the object of research on the territory of the forest-steppe zone of the Predbaikal region were studied by the route method. Actual productivity was taken into account by mass of ripe berries on one bush before severe frosts. The research was carried out according to the program and methods of variety study of fruit, berry and nut crops. According to the results of observations a comparative biological and economic assessment of the studied objects by productivity and terms of fruit ripening, peculiarities of bush formation in some varieties was given.