Theoretical and practical justification of rootstock selection in vegetative reproduction of introduced species of the genus Syringa L. (Oleaceae) in the conditions of the Orenburg region
https://doi.org/10.26897/0021-342X-2024-1-30-40
Abstract
The proper selection of rootstock and graft combinations in lilac introducers, in order to take full advantage of grafting, requires a thorough understanding of the synergy of cultivar-rootstock combinations, as well as the identification of factors that may influence this process. The article analyzes the results of three grafting experiments using Syringa vulgaris L. and Syringa josikaea J. Jacq. ex Rchb. seedlings and vegetative rootstocks (rooted shoots) of Syringa vulgaris L. as rootstocks. The grafting material was the dormant buds of four highly ornamental cultivars of S. vulgaris L. – ‘Aucubaefolia’, ‘Sensation’, ‘Marc Micheli’, ‘Congo’ and the late hybrid Syringa × prestoniae МсКelveу ‘Miss Canada’. It was found that the survival rate of cultivars on a particular rootstock may depend on the systematic affiliation of the mother plants of the cultivars. The best survival rate among all studied cultivars in the climatic conditions of the Orenburg region is achieved when using rooted vegetative shoots of S. vulgaris as a rootstock (over 90%), the worst – on the seed rootstock of S. josikea J. Jacq. ex Rchb. (up to 40%). The influence of the ambient temperature and humidity at the time of oculant fusion on the survival rate of grafts using S. vulgaris L. vegetative rootstock has been demonstrated (Wilcoxon T-test, statistical significance level p <<0.05). It is recommended to select the rootstock individually for each cultivar in order to achieve maximum survival rates of lilac cultivars in the climatic and geographical conditions of the Orenburg region and/or regions with similar conditions.><0.05). It is recommended to select the rootstock individually for each cultivar in order to achieve maximum survival rates of lilac cultivars in the climatic and geographical conditions of the Orenburg region and/or regions with similar conditions.
About the Author
N. М. Nazarova
Orenburg State University
Russian Federation
Russian Federation
Natalya M. Nazarova, CSc (Bio)
13 Pobedy Ave., Orenburg, 460018
phone: (922) 897-58-85
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For citations:
Nazarova N.М. Theoretical and practical justification of rootstock selection in vegetative reproduction of introduced species of the genus Syringa L. (Oleaceae) in the conditions of the Orenburg region. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2024;1(1):30-40. (In Russ.) https://doi.org/10.26897/0021-342X-2024-1-30-40
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