Quality indicators of one-year columnar apple seedlings
DOI:
https://doi.org/10.31548/dopovidi5(105).2023.005Keywords:
apple tree, Malus domestica Borkh, varieties, reproduction, rootstock, seedling, budding, grafting, root system, qualityAbstract
The article presents the results of the study of the features of the formation of annual cultivars and hybrids of apple trees of the columnar type on rootstocks 54.118 and M.9. The research was conducted during 2020–2022 in the fruit nursery of the educational laboratory (NL) «Fruit Orchard» of the Prof. V. L. Symyrenko Department of Horticulture NULES of Ukraine. Almost all cultivars and hybrids (with the exception of И?Diuimovochka’ (73.3 %) on the rootstock 54.118 and M.9 took root at a high level. The highest survival rate of inoculated buds during the revision on both rootstocks was recorded in И?Bolero’. The stability of growths on of all studied cultivars and hybrids. The largest stem diameter of annuals of the studied cultivars and hybrids was found in the Mykhailivske 9/110 hybrid (on both rootstocks: 18.2 mm (M.9) and 18.5 mm (54.118) and the cultivar И?Bilosnizhka’ (18.5 mm) on 54.118). The highest percentage of standard seedlings was recorded in the variety И?Bolero’ (95-92%) on both researched rootstocks. Grown seedlings of all cultivars and hybrids on dwarf (M.9) and medium-sized (54.118) rootstocks had a sufficiently branched root system with a clear expression of two or three tiers.
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