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<p>Genetic diversity and the optimal genetic composition are essential for the adaptability and adaptation of tree populations. Artificial regeneration of stands might reduce the genetic diversity and increase family structures if the seeds were collected from a limited number of mother trees. We did a genetic inventory in 12 pedunculate oak stands in Russia using a set of 366 nuclear gene markers (361 SNPs, 5 Indels) in order to look for differences in the genetic composition among natural and artificial stands. Our results did not reveal any systematic differences among both types of stands. However, we found two extreme cases of limited genetic diversity and increased proportion of full-sibs and half-sibs in urban man-made stands. The implications for the forestry and gene conservation programs were discussed.</p>
</abstract>

Genetic diversity and the optimal genetic composition are essential for the adaptability and adaptation of tree populations. Artificial regeneration of stands might reduce the genetic diversity and increase family structures if the seeds were collected from a limited number of mother trees. We did a genetic inventory in 12 pedunculate oak stands in Russia using a set of 366 nuclear gene markers (361 SNPs, 5 Indels) in order to look for differences in the genetic composition among natural and artificial stands. Our results did not reveal any systematic differences among both types of stands. However, we found two extreme cases of limited genetic diversity and increased proportion of full-sibs and half-sibs in urban man-made stands. The implications for the forestry and gene conservation programs were discussed.

Genetic comparison of planted and natural <italic>Quercus robur</italic> stands in Russia

Silvae Genetica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Genetic comparison of planted and natural  stands in Russia

Genetic diversity and the optimal genetic composition are essential for the adaptability and adaptation of tree populations. Artificial regeneration of stands...

Genetic comparison of planted and natural Quercus robur stands in Russia

Publié en ligne: 25 déc. 2020

Pages: 1 - 8

DOI: https://doi.org/10.2478/sg-2021-0001

Mots clés
Family structure, genetic diversity, genotyping by sequencing, pedunculate oak, regeneration, seeds, silviculture, SNP

© 2020 Bernd Degen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Genetic comparison of planted and natural Quercus robur stands in Russia

Publié en ligne: 25 déc. 2020

Pages: 1 - 8

DOI: https://doi.org/10.2478/sg-2021-0001

Mots clésFamily structure, genetic diversity, genotyping by sequencing, pedunculate oak, regeneration, seeds, silviculture, SNP

© 2020 Bernd Degen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Family structure, genetic diversity, genotyping by sequencing, pedunculate oak, regeneration, seeds, silviculture, SNP