Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal. 2018. № 3(27). P. 1—9
03.00.00 BIOLOGICAL SCIENCES
UDC 581.543:635.92(571.1)
Fomina Tatyana Ivanovna, Candidate of Biological Sciences, Senior Research Fellow
Central Siberian Botanical Garden of the Siberian Branch of the Russian Academy of Sciences
ORNAMENTAL PERENNIALS OF THE NORTH AMERICAN FLORA IN THE CONDITIONS OF THE WESTERN SIBERIA FOREST-STEPPE
Abstract
The article presents the results of studying the seasonal development of 32 taxa of ornamental herbaceous perennials from North America in the forest-steppe zone of Western Siberia. According to the average annual phenophase dates, groups with different periods of spring regrowth, flowering and duration of vegetation were identified. The majority of perennials are characterized by average terms of growing (in the first ten days of May), early summer and middle summer dates of the onset of flowering (from June 6 to July 15) and spring-summer-autumn-green phenorhythmotype. Seasonal rhythms are quite stable: they coincide with the vegetative duration, the annual fluctuations of the phenodates and interphase periods are mostly low, especially the duration of vegetation. The obtained data show the prospects of the North American flora as a source of ornamental perennials with long vegetation, prolonged flowering and late flowering period.
Key words
Seasonal development, phenorhythmotype, North America, ornamental perennials, introduction.
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Bibliography link to this article:
Fomina T. I. Ornamental perennials of the North American flora in the conditions of the Western Siberia forest-steppe. Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal, 2018, no. 3 (27), pp. 1—9. DOI: https://doi.org/10.32516/2303-9922.2018.27.1.