Implications for the use of forest reproductive material of common ash (Fraxinus excelsior L .) in Slovenia based on the analysis of nuclear microsatellites

Marjana Westergren and Kristjan Jarni and Robert Brus and Hojka Kraigher (2012) Implications for the use of forest reproductive material of common ash (Fraxinus excelsior L .) in Slovenia based on the analysis of nuclear microsatellites. Šumarski list (5/6). pp. 263-271. ISSN 0373-1332

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Abstract

Assumption that forest reproductive material is better adapted to local conditions is the basis of current forest policy that promotes the use of local material. Genetic diversity and structure of two approved seed stands and three non-approved stands of Fraxinus excelsior L. were analysed with nuclear microsatellites to get genetically based support for the use of its reproductive material in Slovenia. Genetic diversity was high (HE = 0.80) and differentiation between populations measured as FST (FST = 0.018) low to nonexistent when measured with genetic distances. Calculated allelic indices for seed stands were the same or a bit above the Slovenian average with two exceptions. Based on the analysis of five microsatellite loci, no restrictions for transferring forest reproductive material within the studied range can be presented. However, collection of forest reproductive material from seed stand Rodik should follow good seed collection practices to ensure high genetic diversity of reproductive material.

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