Analysis of Latvian and Belarusian Oak (Quercus robur L.) Population Provenance and Genetic Structure Using Chloroplast Markers
2021
Padutov, Vladimir E. | Baranov, Oleg Y. | Kagan, Dmitry I. | Razumova, Olga A. | Veinberga, Ilze | Baumanis, Imants | Ruņģis, Dainis Edgars
In this study, oak specific chloroplast simple sequence repeat (SSR) markers were used to analyse Latvian and Belarusian oak (Quercus robur L.) population provenance and genetic structure. Chloroplast haplotypes were compared between Latvian and Belarusian pedunculate oak, and several common haplotypes were identified. The SSR haplotypes were compared to previously reported PCR-RFLP haplotypes, and haplotypes from the A (eastern European) and C (central European) lineages were identified. C lineage haplotypes were only found in the western region of Latvia. Haplotypes shared between Latvia and Belarus were all from the A lineage. Despite the much smaller population size of oak in Latvia in comparison to Belarus, the level of genetic diversity identified using the chloroplast SSR markers is similar. Provenance trials will need to be established in order to determine the suitability of Belarusian oak reproductive material for deployment in Latvia. Based on the results from this comparison of chloroplast haplotypes, as well as climatic similarities, it is probable that Belarusian oak material will be better suited to the eastern regions of Latvia compared to the western regions of Latvia.
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