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Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology
RESEARCH ARTICLE

Photosynthetic performance of silver fir (Abies alba) of different origins under suboptimal growing conditions

Alena Konôpková https://orcid.org/0000-0002-4314-4122 A , Eva Pšidová https://orcid.org/0000-0001-5458-0854 B F , Daniel Kurjak https://orcid.org/0000-0002-2489-8463 A , Srđan Stojnić https://orcid.org/0000-0001-5014-7244 C , Peter Petrík https://orcid.org/0000-0002-1092-3031 A , Peter Fleischer Jr A B , Jana Kučerová B , Marek Ježík B , Anja Petek https://orcid.org/0000-0003-0463-5049 A , Dušan Gömöry https://orcid.org/0000-0002-9426-4247 A , Jaroslav Kmeť A , Roman Longauer D E and Ľubica Ditmarová B
+ Author Affiliations
- Author Affiliations

A Faculty of Forestry, Technical University in Zvolen, T. G. Masaryka 24, 960 53 Zvolen, Slovakia.

B Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 960 53 Zvolen, Slovakia.

C Institute of Lowland Forestry and Environment, University of Novi Sad, Antona Čehova 13, 21000 Novi Sad, Serbia.

D Forest Research Institute, National Forest Centre, T. G. Masaryka 22, 960 92 Zvolen, Slovakia.

E Faculty of Forestry and Wood Technology, Mendel University in Brno, Zemědělská 3, 613 00 Brno, Czech Republic.

F Corresponding authors. Email: psidova.e@gmail.com; evkapsidova@yahoo.com

This paper originates from a presentation at the 10th International Photosynthesis and Hydrogen Energy Research for Sustainability Meeting held in St Petersburg, Russia, 2328 June 2019.

Functional Plant Biology 47(11) 1007-1018 https://doi.org/10.1071/FP20040
Submitted: 11 February 2020  Accepted: 30 May 2020   Published: 24 June 2020

Abstract

Understanding of the intraspecific variability in the physiological stress response of trees may enable to mitigate the impact of climate change on forest ecosystems in the future. We studied the photosynthetic performance of five silver fir (Abies alba Mill.) provenances originating from climatically distinct localities. The study was performed in the trial plot of the silver fir provenance experiment IUFRO 2005 on two dates: in the early summer and in the late summer. Heat waves and a decrease in water availability occurred between the two measurement dates, allowing us to study the response of the provenances to suboptimal growing conditions. The provenances were evaluated at the level of PSII photochemistry and CO2 assimilation by measuring photosynthesis-related pigment content, chlorophyll a fluorescence, and gas exchange parameters. Significant climatic clines were confirmed: the photosynthetic performance before and after the stress period increased with the increasing altitude and precipitation at the site of origin. In contrast, photosynthetic performance declined with the increasing temperature and Ellenberg’s quotient of the origin site. We concluded that provenances originating from high altitudes, corresponding well with more humid and colder conditions in Central Europe, showed the greatest photosynthetic performance and were less responsive to moderate heat and drought. This documents inter-population variation in physiological traits, which needs to be considered in setting rules and recommendations for the transfer of forest reproductive materials.

Additional keywords: assimilatory pigments, assimilation rate, common garden, fast kinetics of chlorophyll a fluorescence, rapid light curves.


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