SEA-BUCKTHORN VARIETY OF UNIVERSAL PURPOSE YAKHONTOVAYA

The paper presents the results of breeding work (1996-2017) on creation of the highly adaptive, polyvitaminic variety of sea-buckthorn Yakhontovaya. The variety testing was carried out in typical climatic conditions of the forest-steppe of Priobye of Novosibirsk region on medium-textured medium-humus medium-loamy leached chernozem. The sea-buckthorn variety Yakhontovaya was obtained as a result of free pollination from a selected form of the Katun population and was passed for the state variety testing in 2004. The plant is characterized by high adaptive capacity, winter hardiness, stable yield (> 8 t/ha), and wiltresistance. Berries are only slightly damaged by seabuckthorn fly (Rhagoletis batava obscuriosa Kol.). They have a late term of ripening with dry separation from branches. Due to the high content of sugars, carotenoids and good technological properties, berries are suitable for processing, freezing and fresh consumption. The berry pulp may contain oils up to 4.2%, carotenoids 45.5 mg%, sugars 7.9%, vitamin C 222.7 mg%. A distinctive feature of the variety is the compactness of the crown, which provides for the high density of the yield (1.32 kg/m3) and the possibility of using compact space for planting in the garden of 1.5 (1.2) x 4.0 (3.0) m. The high coefficient of productivity (36 g/10cm) makes it possible to recommend the Yakhontovaya variety for semi-mechanical harvesting – selective cutting of branches with berries. According to the assessment results of distinctiveness, homogeneity and stability, the variety was included in the State Register of Breeding Achievements in 2013. According to the results of the state variety testing in 2017, the variety Yakhontovaya was acknowledged as suitable for cultivation in the West Siberian region.

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