ISSN 1995-4301

ISSN 2618-8406

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2 issue of the journal in 2022

1 issue of the journal in 2022

4 issue of the journal in 2021

3 issue of the journal in 2021

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The influence of weather conditions and species characteristics on the passage of phenodates of clematis in the Bashkir Cis-Urals

L.M. Abramova, R.A. Bilalova, R.V. Vafin, Z.Kh. Shigapov
Section: Population ecology
Results of the phenological observations of 21 species of the Clematis L. genus relating to 4 sections and 7 subsections, which are carried out in the South-Ural botanical garden institute of UFRC RAS (Ufa) from 2007 to 2020 are presented in article. Was noted the timing of the onset of 9 phenophases: breaking of buds, beginning and end of growth of shoot, beginning, termination and duration of blossoming, maturing of fruits, termination and duration of vegetation. Correlation analysis was used to assess the relationship between phenophases, the influence of species and annual meteorological features was estimated by two-factor dispersion analysis. It was revealed that the vegetation in clematis begins mainly in the III decade of April. The phases of the beginning and end of flowering are an individual feature for each species. Fruiting usually occurs 2-2,5 months after the beginning of flowering. Only 11 species out of 21 bear fruit, as the rest do not have time to form full-fledged seeds due to late flowering. Vegetation ends in late September-early October with the onset of the first frost. The onset of all phases, except for the duration of vegetation, is reliably influenced by species features. Phenodates of breaking of buds, growth beginning and end of shoot growth, the end of vegetation and the duration of vegetation is subject to fluctuations depending on the climatic conditions of a particular year.
Keywords: Clematis L., species, seasonal rhythm of development, phenodate

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Article published in number 3 for 2021
DOI: 10.25750/1995-4301-2021-3-153-159
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The journal was founded in 2007