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Quantitative-genetic variation in morphological and physiological traits within a quaking aspen (Populus tremuloides) population

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dc.contributor Funding was provided by a USU College of Science and Engineering Fellowship and USU Ecology Center research award to the first author; the Utah Agricultural Research Station, USDA Forest Service Rocky Mountain Research Station, USDA UV Monitoring Program, USDA National Resources Conservation Service, and USU VP for Research to the second author; and the USU Community University Research Initiative and ADVANCE Program to the third author. en_US
dc.creator Kanaga, Megan K.
dc.creator Ryel, Ronald J.
dc.creator Mock, Karen E.
dc.creator Pfrender, Michael E.
dc.creator Institute for Natural Resources
dc.date.accessioned 2012-08-30T21:47:49Z
dc.date.available 2012-08-30T21:47:49Z
dc.date.issued 2008-05-28
dc.identifier DOI: 10.1139/X08-012 en_US
dc.identifier.citation Kanaga, M. K., R. J. Ryel, K. E. Mock, and M. E. Pfrender, "Quantitative-genetic variation in morphological and physiological traits within a quaking aspen ( Populus tremuloides ) population", Canadian Journal of Forest Research, vol. 38, issue 6, pp. 1690 - 1694, 06/2008. en_US
dc.identifier.uri http://hdl.handle.net/1957/33110
dc.description.abstract Genetic diversity within populations is an important component of adaptive evolution, and recent research has demonstrated that genetic variation within plant populations can have important ecological effects. In this study, we investigate quantitative-genetic variation in several traits within a quaking aspen (Populus tremuloides Michx.) population. A common garden experiment was planted with replicates of 13 aspen genotypes collected from wet and dry sites within a population in southern Utah, USA. Ten growth, leaf, physiological, and structural traits were measured. There were significant, heritable phenotypic differences among genotypes in every measured trait and differences in 4 of the 10 traits among genotypes originating from wet and dry collection sites. The data were compared with other published studies, showing that aspen heritability (H2) estimates and coefficients of genetic variation (CVG) were comparable or higher than other Populus species and hybrid F1 Populus genotypes, indicating a large amount of quantitative-genetic variation in aspen. en_US
dc.language.iso en_US en_US
dc.publisher NRC Research Press en_US
dc.subject Genetic diversity en_US
dc.subject Adaptive evolution en_US
dc.subject Quaking aspen en_US
dc.subject Phenotype en_US
dc.title Quantitative-genetic variation in morphological and physiological traits within a quaking aspen (Populus tremuloides) population en_US
dc.type Article en_US
dc.description.peerreview yes en_US


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