Abstract
The northern regions of Russia are characterized by a relatively poor composition of the cultural dendroflora, that due to harsh climatic conditions. To create resistant varieties, it is necessary to attract local highly winter-resistant forms and on their basis to obtain hybrids with foreign species with outstanding characteristics of economically useful traits. As a result of hybridization of the breeding form of S. sibirica with a undersized and large-fruited breeding form of S. sambucifolia was obtained the heterosic hybrid ‘Shank’ (F1 S. sambucifolia x S. sibirica) that combining valuable decorative and nutritional qualities, with ultra-fast of fruiting start and highly winter-resistant.
Highlights
Among food wild plants of Western Siberia, Siberian mountain ash (Sorbus sibirica Hedl.) is one of the most promising for the introduction and selection of fruit crops. This situation is primarily due to the unique biochemical composition of its fruits, which have high nutritional and medicinal value
The only variety cultivated in the Novosibirsk region with dessert flavor is Sorbus aucupariaNevezhinskaya
Fig. Interspecific hybridSharik (BK-1) in the collection of the CSBG (Novosibirsk) At the age of 17, it is a bush with a spherical crown with a diameter of about 3.5 meters
Summary
Among food wild plants of Western Siberia, Siberian mountain ash (Sorbus sibirica Hedl.) is one of the most promising for the introduction and selection of fruit crops. This situation is primarily due to the unique biochemical composition of its fruits, which have high nutritional and medicinal value. The only variety cultivated in the Novosibirsk region with dessert flavor is Sorbus aucupariaNevezhinskaya This variety has a number of significant disadvantages: tall, pyramidal crown, late entry into fruiting, reduced winter hardiness. To create sustainable decorative and food varieties in Siberia, it is necessary to hybridize best forms of S. sibirica with foreign species, characterized by a complex of economically valuable traits: winter hardiness, large-fruited, stunted, lack of bitterness in fruits. Roem and intergeneric hybrid × Sorbocotoneaster pozdnjakovii Pojark. [1, 2]
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