Genetic and physiological differences of European beech provenances (F. sylvatica L.) exposed to drought stress

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2016
Autor:innen
Dounavi, Aikaterini
Netzer, Florian
Celepirovic, Nevenka
Ivankovic, Mladen
Burger, J.
Figueroa, A.G.
Schön, S.
Cremer, Eva
Fussi, Barbara
et al.
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Forest Ecology and Management. 2016, 361, pp. 226-236. ISSN 0378-1127. eISSN 1872-7042. Available under: doi: 10.1016/j.foreco.2015.11.014
Zusammenfassung

Prolonged summer droughts constitute to a major risk for the cultivation of beech in Central Europe. Therefore the identification of beech ecotypes that cope with growth conditions expected in future is highly desirable for forest practitioners. In a pot experiment under controlled conditions, the influence of longterm water deprivation on growth, root/shoot ratio, nitrogen (N)- and carbon (C) assimilation of seedlings from 6 European beech (Fagus sylvatica) provenances, originating from Central Europe (Germany), the Balkan Peninsula (Croatia), and south-east Europe (Bulgaria, Greece) were examined. Genetic diversity and relationships between the provenances were analysed by molecular markers such as nuclear EST microsatellites (EST-SSRs), SNPs and chloroplast microsatellites. Genetic diversity within provenances was high and highlighted close relationships between plants from Greece, Croatia and Germany, whereas beech from Bavaria (Germany) seemed to be admixed with genotypes from Bulgaria. Significant changes in fine root δ13C and C/N ratio as well as the intrinsic Water Use Efficiency (iWUE) demonstrate a better adaptability to future environmental conditions of beech ecotypes genetically related to the Greek beech population.

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Fachgebiet (DDC)
570 Biowissenschaften, Biologie
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Fagus sylvatica; Drought stress; Climate change; Genetic variation; Physiological variation; Adaptability
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ISO 690DOUNAVI, Aikaterini, Florian NETZER, Nevenka CELEPIROVIC, Mladen IVANKOVIC, J. BURGER, A.G. FIGUEROA, S. SCHÖN, Judy SIMON, Eva CREMER, Barbara FUSSI, 2016. Genetic and physiological differences of European beech provenances (F. sylvatica L.) exposed to drought stress. In: Forest Ecology and Management. 2016, 361, pp. 226-236. ISSN 0378-1127. eISSN 1872-7042. Available under: doi: 10.1016/j.foreco.2015.11.014
BibTex
@article{Dounavi2016Genet-33009,
  year={2016},
  doi={10.1016/j.foreco.2015.11.014},
  title={Genetic and physiological differences of European beech provenances (F. sylvatica L.) exposed to drought stress},
  volume={361},
  issn={0378-1127},
  journal={Forest Ecology and Management},
  pages={226--236},
  author={Dounavi, Aikaterini and Netzer, Florian and Celepirovic, Nevenka and Ivankovic, Mladen and Burger, J. and Figueroa, A.G. and Schön, S. and Simon, Judy and Cremer, Eva and Fussi, Barbara}
}
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