Influence of VSL-2 interstem length on growth processes in intensive sweet cherry orchards in the zone of the Southern Steppe of Ukraine
Journal Title: «Таврійський науковий вісник» - Year 2018, Vol 102, Issue
Abstract
The peculiarities of the passage of the main growth processes in the intensive sweet cherry or- chard depending on the VSL-2 (Krymsk 5) interstem length are considered in the article (the main rootstock is the seedlings of P. mahaleb). It was determined that by a complex of growth indices the use of a 30 cm long interstem reduced tree vigour by 12-17%, that of 50 cm in length – by 23-38%, compared to interstems length of 20 cm (control). At the same time, Melitopolska chorna cultivar showed a somewhat higher vigour in comparison with Valery Chkalov cultivar: average of 18% more of trunk cross-sectional area (TCSA), and 9% more of annual shoot growth. On the basis of mathematical modeling it was established that increasing the length of the interstem reduces TCSA by an average of 12% per each 10 cm.
Authors and Affiliations
П. Г. Бондаренко
Keywords
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