Faculty of Biology, University of Latvia
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Acta Univ Latv 753: 19–32
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Environmental and

Acta Univ Latv 753: 19–32

Orginal Article

Morphological variability and genetic diversity within Latvian and Swedish sweet cherry collections

Gunars Lacis1*, Edite Kaufmane1, Viktor Trajkovski2, Isaak Rashal3
1Latvia State Institute of Fruit-Growing, Graudu 1, Dobele LV-3701, Latvia
2Swedish Pomological Science Centre, Stubbaröd 2818, K.geröd SE 26023, Sweden
3Plant Genetics Laboratory, Institute of Biology, University of Latvia, Miera 3, Salaspils LV-2169, Latvia
*Corresponding author, E-mail: gunars.lacis@lvai.lv


Forty nine sweet cherry accessions at the Latvia State Institute of Fruit-Growing (Dobele) and ninety one at the Division of Horticultural Genetics and Plant Breeding at Balsg.rd, Department of Crop Sciences, Swedish University of Agricultural Sciences (SLU-Balsg.rd) were used for the analysis of morphological variability and genetic diversity by means of multivariate statistic analyses. Both applied statistical approaches (cluster and principal component analysis) showed adequate grouping of accessions according to morphological characterization. Multivariate analysis showed the most important traits for sweet cherry accession grouping were tree architecture and fruit traits, which should therefore be considered in further sweet cherry genetic resource characterization. Multiple parameter analysis of sweet cherry traits increased the value of phenotypical data and created the basis for common analysis of phenotypical and genetical data.

Key words: genetic diversity, germplasm, multivariate statistics, Prunus avium.

Acta Univ Latv 753: 19–32
 DOI: http://doi.org/10.22364/eeb

Prof. Gederts Ievinsh
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University of Latvia

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Last modifications: 2011.01.19-06:55

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