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Phenology Is Associated with Genetic and Stem Morphotype Variation in European Beech (Fagus sylvatica L.) Stands
We studied the associations between the stem quality, phenology, and genetic structure by genotyping the phenotypic variation at 15 genomic SSR makers of 208 mature European beech trees in four artificially established stands in Lithuania. The genetic differentiation among the stands was significant (DEST = 0.029**). The stand NOR1 of Carpathian origin significantly differed from the remaining three stands of Bavarian origin at the highest 0.001 significance level. In most of the stands, the early flushing trees were of significantly worse stem quality. Within each of the stands, the Bayesian clustering identified 2 to 3 genetic groups, among which the differentiation was markedly stronger than between the stands (DEST 0.095*** to 0.142***). The genetic groups differed markedly in stem quality and phenology as well as inbreeding levels. We conclude that (a) the genetic structuring in European beech stands strongly depends on non-random mating owing to phenology variation among the relative groups, (b) due to strong relationship among phenology, adaptedness and stem morphotype, this genetic variation is reflected by the stem morphotype.
Phenology Is Associated with Genetic and Stem Morphotype Variation in European Beech (Fagus sylvatica L.) Stands
We studied the associations between the stem quality, phenology, and genetic structure by genotyping the phenotypic variation at 15 genomic SSR makers of 208 mature European beech trees in four artificially established stands in Lithuania. The genetic differentiation among the stands was significant (DEST = 0.029**). The stand NOR1 of Carpathian origin significantly differed from the remaining three stands of Bavarian origin at the highest 0.001 significance level. In most of the stands, the early flushing trees were of significantly worse stem quality. Within each of the stands, the Bayesian clustering identified 2 to 3 genetic groups, among which the differentiation was markedly stronger than between the stands (DEST 0.095*** to 0.142***). The genetic groups differed markedly in stem quality and phenology as well as inbreeding levels. We conclude that (a) the genetic structuring in European beech stands strongly depends on non-random mating owing to phenology variation among the relative groups, (b) due to strong relationship among phenology, adaptedness and stem morphotype, this genetic variation is reflected by the stem morphotype.
Phenology Is Associated with Genetic and Stem Morphotype Variation in European Beech (Fagus sylvatica L.) Stands
Rūta Kembrytė (author) / Darius Danusevičius (author) / Virgilijus Baliuckas (author) / Jurata Buchovska (author)
2022
Article (Journal)
Electronic Resource
Unknown
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