Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe

Abstract Curly birch (Betula pendula Roth. var. carelica [Merklin] Hämet-Ahti) is a disappearing representative of the Betula genus facing a regeneration failure in a large part of its natural distribution in Europe. The unique long-term study of clonal replications originating in heterogeneous envi...

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Autores principales:	Ivana Sarvašová, Róbert Sedmák, Denisa Sedmáková, Ivan Lukáčik
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a922e36eee084c348583c4d5c65765af
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spelling	oai:doaj.org-article:a922e36eee084c348583c4d5c65765af2021-12-02T14:26:25ZDifferences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe10.1038/s41598-021-87508-02045-2322https://doaj.org/article/a922e36eee084c348583c4d5c65765af2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87508-0https://doaj.org/toc/2045-2322Abstract Curly birch (Betula pendula Roth. var. carelica [Merklin] Hämet-Ahti) is a disappearing representative of the Betula genus facing a regeneration failure in a large part of its natural distribution in Europe. The unique long-term study of clonal replications originating in heterogeneous environments enabled the evaluation of long-term survival and phenotypic stability of progenies in seed orchard to assess the conservation and commercial potential of heterovegetative propagation. Seventy-eight geographic sources (95 clone origins) representing the south distribution edge in East-Central Europe were analysed for species variation in survival, growth form, bark colour, and stem quality of parent trees and their vegetative progeny, and the effects of four parental site origin characteristics. The survival rate was 73% after 28–33 years of growth. Retention of curly-grained wood was high, the curly-grained wood structure is heritable and thus clonally efficiently achievable (only 3.5% of grafted individuals showed no occurrence of figured wood structure). The phenotypic expression of curliness manifested on the trunks as bulges, stem growth forms (tree/shrub) and stem technical quality showed a lower degree of stability (coincidence) between the parent trees and heterovegatively propagated progenies. Despite this, the conservation potential of seed orchard is very high, especially when stabilization of the stem growth forms affecting the survival and commercial value of progenies can be probably achieved by a more careful selection of scions. Overall, heterovegetative orchards seem to be a very promising method for the long-term conservation of curly birch populations, which, in addition to their great biological and ecological value, have considerable commercial potential.Ivana SarvašováRóbert SedmákDenisa SedmákováIvan LukáčikNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ivana Sarvašová Róbert Sedmák Denisa Sedmáková Ivan Lukáčik Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe
description	Abstract Curly birch (Betula pendula Roth. var. carelica [Merklin] Hämet-Ahti) is a disappearing representative of the Betula genus facing a regeneration failure in a large part of its natural distribution in Europe. The unique long-term study of clonal replications originating in heterogeneous environments enabled the evaluation of long-term survival and phenotypic stability of progenies in seed orchard to assess the conservation and commercial potential of heterovegetative propagation. Seventy-eight geographic sources (95 clone origins) representing the south distribution edge in East-Central Europe were analysed for species variation in survival, growth form, bark colour, and stem quality of parent trees and their vegetative progeny, and the effects of four parental site origin characteristics. The survival rate was 73% after 28–33 years of growth. Retention of curly-grained wood was high, the curly-grained wood structure is heritable and thus clonally efficiently achievable (only 3.5% of grafted individuals showed no occurrence of figured wood structure). The phenotypic expression of curliness manifested on the trunks as bulges, stem growth forms (tree/shrub) and stem technical quality showed a lower degree of stability (coincidence) between the parent trees and heterovegatively propagated progenies. Despite this, the conservation potential of seed orchard is very high, especially when stabilization of the stem growth forms affecting the survival and commercial value of progenies can be probably achieved by a more careful selection of scions. Overall, heterovegetative orchards seem to be a very promising method for the long-term conservation of curly birch populations, which, in addition to their great biological and ecological value, have considerable commercial potential.
format	article
author	Ivana Sarvašová Róbert Sedmák Denisa Sedmáková Ivan Lukáčik
author_facet	Ivana Sarvašová Róbert Sedmák Denisa Sedmáková Ivan Lukáčik
author_sort	Ivana Sarvašová
title	Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe
title_short	Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe
title_full	Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe
title_fullStr	Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe
title_full_unstemmed	Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe
title_sort	differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from central-east europe
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a922e36eee084c348583c4d5c65765af
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Differences in survival and phenotypic traits of curly birch preserved by heterovegetative propagation: a case study from Central-East Europe

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