Identification of SNP markers responsible for drought tolerance in sessile oak populations: results of basic research for sustainable oak management
Attila Benke, Attila Zoltán Köbölkuti, Klára Cseke, Attila Borovics & György Endre Tóth
Correspondence: Benke Attila
Postal address: H-9600 Sárvár, Várkerület 30/A.
The genetic information concerning the adaptation of main tree species to different environmental conditions could provide considerable knowledge to determine forest management responses to climate change. In the present study, we carried out a parallel mapping of SNP markers revealed in 18 Middle- and Southeast-European sessile oak [Quercus petraea (Matt.) Liebl.] populations and EST sequences of stress-responsive loci downloaded from an EST repository to determine the group of those SNPs, which are associated with the genetic background of adaptation processes in oaks. Regression analysis revealed 16 significant correlations between four outlier SNP loci representing high FST values and 94 climatic variables. All variables with significant correlations were found to be related to precipitation or temperature. The stress-responsive loci identified in this study may serve as a basis for common research to support future sustainable management of sessile oak in Hungary.
Keywords: sessile oak, SNP markers, drought selection, genotype-environment association (GEA)
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Cite this article as:
Benke, A., Köbölkuti, Z. A., Cseke, K., Borovics, A. & Tóth, E. Gy. (2022): Identification of SNP markers responsible for drought tolerance in sessile oak populations: results of basic research for sustainable oak management. Bulletin of Forestry Science, 12(2): 77-90. (in Hungarian) DOI: 10.17164/EK.2022.05
Volume 12, Issue 2
26 January 2023
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