Analysis of the genetic structure of a model Scots pine (Pinus sylvestris) seed orchard for development of management strategies

O. Ivanek, Z. Procházková and K. Matějka
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O. Ivanek: Forestry and Game Management Research Institute, Jíloviště-Strnady, Czech Republic
Z. Procházková: Forestry and Game Management Research Institute, Jíloviště-Strnady, Czech Republic
K. Matějka: IDS, Prague, Czech Republic

Journal of Forest Science, 2013, vol. 59, issue 10, 377-387

Abstract: Genetic structure, diversity and clonal homogeneity were determined on the basis of the isozyme gene markers in a model Scots pine seed orchard in the north-eastern part of the Czech Republic that originated from natural forest regions NFR 28 and 29 (Jeseníky Mts.) and the 2nd and 3rd forest altitudinal zones (FAZ). Clone and ramet crop variation for the 2009-2011 period was assessed. Comparing the loci measured also in two pine orchards in central Slovakia, a similar proportion of homogeneous clones but considerably lower expected heterozygosity were found out for most of the measured isozyme loci. Heterozygosity of the investigated orchard did not change considerably after the exclusion of alien and wrongly placed ramets. No difference in average cone production between clones originating from different NFR was observed. Verification of the clone identity of seed orchards managed in a certain way can be suggested with the subsequent removal of alien ramets.

Keywords: fructification; gene markers; isozymes; Monte-Carlo test; Rao coefficient; Shannon index (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:59:y:2013:i:10:id:39-2013-jfs

DOI: 10.17221/39/2013-JFS

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