FROST RESISTANCE OF ACER PLATANOIDES L. CULTIVARS IN KYIV PLANTINGS WITH DIFFERENT DEGREES OF ANTHROPOGENIC TRANSFORMATION
DOI:
https://doi.org/10.31548/dopovidi2016.02.017Keywords:
frost, lab freezing, anatomical and microscopic evaluation, cultivar, Norway maple, urban conditions, ecological and phytocoenotic zoneAbstract
In order to develop recommendations for future using in urban plantings most hard cultivars of such species as Acer platanoides L. the grounded studies of their frost resistance in city ecotypes with different levels of transformation are important. The potential frost resistance of the specimens we determined by direct laboratory freezing of the annual shoots with subsequent analysis of tissue damages using an anatomical and microscopic evaluation in the Plant Physiology Laboratory of the Institute of Horticulture of the National Academy of Agrarian Sciences of Ukraine (IH NAAS). The objects of the research were plants of A. platanoides species and its 5 cultivars – A. p. 'Globosum', A. p. 'Crimson King', A. p. 'Drummondii', A. p. 'Schwedlerii' and A. p. 'Reitenbachii'. The samples of annual shoots of three ecological and phytocoenotic zones of Kyiv city – parks, public gardens and streets or squares were taken. It was established, that the such cultivars as A. p. 'Reitenbachii' and A. p. 'Schwedlerii' were characterized by the highest resistance to low temperatures in urban conditions, which ones can be recommended for wide use in various ecotypes of the city. All cultivars and species other than A. p. 'Schwedlerii' were characterized by a decrease of frost resistance in difficult urban conditions.Downloads
Published
2016-04-01
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Forestry and ornamental plants
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