Inheritance of specific secondary volatile metabolites in buds of white birch Betula pendula and Betula pubescens hybrids

Walerij Isidorow , Marcin Stocki , Lidia Vetchinikova

Abstract

Despite the differences in ploidy and in the timing of flowering, two species of white birch, Betula pendula and Betula pubescens often form viable hybrids in places of their joint growth. Recognition of such hybrids by their morphological features is very difficult or impossible. On the other hand, it could be assumed that substantial differences can be found in the secondary metabolites whose composition is determined mainly by genetic factors. However, the inheritability of bio-synthesis of secondary birch metabolites is unknown. We investigated the bud volatile organic compounds (VOCs) of the artificial hybrids of these birches and compared them with specific metabolites of pure parent species. The bud VOCs were determined by a combination of head-space microextraction with gas chromatography-mass spectrometry. As the result, we found that: (a) hybrids clearly show dominant inheritance along the maternal line and (b) the buds of hybrid plants have characteristic features of VOCs composition, which allows for definitive conclusions about hybrid origins in some cases
Author Walerij Isidorow (FF)
Walerij Isidorow,,
- Bialystok University of Technology Faculty of Forestry, Hajnówka Campus
, Marcin Stocki (FF)
Marcin Stocki,,
- Bialystok University of Technology Faculty of Forestry, Hajnówka Campus
, Lidia Vetchinikova
Lidia Vetchinikova,,
-
Journal seriesTrees-Structure and Function, [Trees - Structure and Function], ISSN 0931-1890, e-ISSN 1432-2285, (N/A 100 pkt)
Issue year2019
Vol33
No5
Pages1329-1344
Publication size in sheets0.75
Keywords in EnglishBetula pendula, Betula pubescens, Hybrids, Buds, Chemical composition
ASJC Classification1107 Forestry; 1110 Plant Science; 1314 Physiology; 2303 Ecology
DOIDOI:10.1007/s00468-019-01861-2
URL https://link.springer.com/article/10.1007/s00468-019-01861-2
Internal identifierROC 19-20
Languageen angielski
LicenseJournal (articles only); published final; Other open licence; with publication
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 12-02-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.821; WoS Impact Factor: 2018 = 1.799 (2) - 2018=2.024 (5)
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