Plasticity and stability of hybrid aspen clones in 14 field trials over Sweden, Finland and north-west Russia

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dc.contributor.authorFedorkov, Aleksey
dc.contributor.authorStener, Lars-Göran
dc.contributor.authorPulkkinen, Pertti
dc.date.accessioned2023-01-06T02:23:44Z
dc.date.available2023-01-06T02:23:44Z
dc.date.issued2021-06-08
dc.description© 2021 Aleksey Fedorkov, Lars-Göran Stener, Pertti Pulkkinen, published by Sciendo. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License - https://creativecommons.org/licenses/by-nc-nd/3.0 . The Version of Scholarly Record of this Article is published in Folia Forestalia Polonica, Series A – Forestry, 2021, Vol. 63 (2), 176–182, available online at: https://sciendo.com/article/10.2478/ffp-2021-0018 . Keywords: genotype × environment interaction; plasticity; Populus tremula; Populus tremuloides; stability; survival; tree height; Sweden; Finland; Russia.
dc.description.abstractThe study aimed at estimating the genotype × environment (G × E) interaction, stability and plasticity parameters for height growth and survival of hybrid aspen (Populus tremula L. × Populus tremuloides Michx.) clones. A set of 17 hybrid aspen clones were studied at age four in 11 field trials (series 1) and a set of 12 clones were studied at age 12 in three field trials (series 2) in Sweden, Finland and north-west Russia. There was an intermediate and significant correlation between height ranks at four and 12 years, showing modest G × E interaction for tree height. The corresponding correlation for survival was weak and insignificant, indicating a stronger G × E interaction than for height. The stability parameter (S) for height showed large differences among clones. The plasticity index (PI) values for height ranged from 0.6 to 0.8 among clones, demonstrating high levels of phenotypic plasticity.
dc.description.sponsorshipAcknowledgements: The authors wish to thank the personnel at the Haapastensyrjä Unit (Luke) and especially forestry engineer Raimo Jaatinen for producing and delivering planting stock to Russia. The establishment of clonal field trial in Syktyvkar was funded by ‘Mondi Syktyvkar’ pulp and paper mill.
dc.identifier.citationFedorkov, A., Stener, L., & Pulkkinen, P. (2021). Plasticity and stability of hybrid aspen clones in 14 field trials over Sweden, Finland and north-west Russia. Folia Forestalia Polonica, 63(2), 176-182. https://doi.org/10.2478/ffp-2021-0018
dc.identifier.otherhttps://doi.org/10.2478/ffp-2021-0018
dc.identifier.urihttps://hdl.handle.net/20.500.14096/182
dc.language.isoen
dc.publisherSciendo (De Gruyter)
dc.titlePlasticity and stability of hybrid aspen clones in 14 field trials over Sweden, Finland and north-west Russia
dc.typeArticle

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