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Articles by Andis Purviņš

Category : Research article

article id 10220, category Research article
Arnis Gailis, Pauls Zeltiņš, Andis Purviņš, Juris Augustovs, Valts Vīndedzis, Inga Zariņa, Āris Jansons. (2020). Genetic parameters of growth and quality traits in open-pollinated silver birch progeny tests. Silva Fennica vol. 54 no. 2 article id 10220. https://doi.org/10.14214/sf.10220
Keywords: Betula pendula; tree breeding; genetic gain; genetic parameters
Highlights: Growth and stem quality traits were under strong genetic control; Weak genetic correlations between tree growth and stem quality were found; Strong age-age and type-B correlations suggest robust improvement over time and different environments; Simultaneous improvement of growth and stem quality might be applicable.
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Category : Research note

article id 10524, category Research note
Arnis Gailis, Pauls Zeltiņš, Roberts Matisons, Andis Purviņš, Juris Augustovs, Valts Vīndedzis, Āris Jansons. (2021). Local adaptation of phenotypic stem traits distinguishes two provenance regions of silver birch in Latvia. Silva Fennica vol. 55 no. 2 article id 10524. https://doi.org/10.14214/sf.10524
Keywords: Betula pendula; population genetics; genetic parameters; climate-smart forestry; phenotypic traits
Highlights: Two provenance subregions in Latvia – coastal and inland – were distinguished; Silver birch populations in inland region possessed better growth, higher heritability, and phenotypic plasticity; Moderate to high heritability for stem quality was estimated in both regions; Silver birch from inland region possesses higher potential for improvement of adaptability.
Abstract | Full text in HTML | Full text in PDF | Author Info

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