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Heritable and climatic sources of variation in juvenile tree growth in an Austrian common garden experiment of Central European Norway spruce populations

View ORCID ProfileLaura Morales, View ORCID ProfileKelly Swarts
doi: https://doi.org/10.1101/2022.01.10.475611
Laura Morales
1Gregor Mendel Institute, Austrian Academy of Sciences, Vienna BioCenter, Vienna, Austria
2Institute of Biotechnology in Plant Production, Department of Agrobiotechnology, University of Natural Resources and Life Sciences Vienna, Tulln, Austria
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  • ORCID record for Laura Morales
Kelly Swarts
1Gregor Mendel Institute, Austrian Academy of Sciences, Vienna BioCenter, Vienna, Austria
3Max Perutz Labs, University of Vienna, Vienna BioCenter, Vienna, Austria
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  • For correspondence: kelly.swarts@gmi.oeaw.ac.at
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Abstract

We leveraged publicly available data on juvenile tree height of 299 Central European Norway spruce populations grown in a common garden experiment across 24 diverse trial locations in Austria and weather data from the trial locations and population provenances to parse the heritable and climatic components of tree height variation. Principal component analysis of geospatial and weather variables demonstrated high interannual variation among trial environments, largely driven by differences in precipitation, and separation of population provenances based on altitude, temperature, and snowfall. Tree height was highly heritable and genetic variation for tree height was strongly associated with climatic relationships among population provenances. Modeling the covariance between populations and trial environments based on climatic data increased the heritable signal for tree height.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted January 12, 2022.
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Heritable and climatic sources of variation in juvenile tree growth in an Austrian common garden experiment of Central European Norway spruce populations
Laura Morales, Kelly Swarts
bioRxiv 2022.01.10.475611; doi: https://doi.org/10.1101/2022.01.10.475611
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Heritable and climatic sources of variation in juvenile tree growth in an Austrian common garden experiment of Central European Norway spruce populations
Laura Morales, Kelly Swarts
bioRxiv 2022.01.10.475611; doi: https://doi.org/10.1101/2022.01.10.475611

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