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| Content Provider | frontiers |
|---|---|
| Author | Hejtmánek, Jakub Stejskal, Jan Čepl, Jaroslav Lhotáková, Zuzana Korecký, Jiří Krejzková, Anna Dvořák, Jakub Gezan, Salvador A. |
| Abstract | Norway spruce has a wide natural distribution range, harboring substantial physiological and genetic variation. There are three altitudinal ecotypes described in this species. Each ecotype has been shaped by natural selection and retains morphological and physiological characteristics. Foliar spectral reflectance is readily used in evaluating the physiological status of crops and forest ecosystems. However, underlying genetics of foliar spectral reflectance and pigment content in forest trees has rarely been investigated. We assessed the reflectance in a clonal bank comprising three ecotypes in two dates covering different vegetation season conditions. Significant seasonal differences in spectral reflectance among Norway spruce ecotypes were manifested in a wide-ranging reflectance spectrum. We estimated significant heritable variation and uncovered phenotypic and genetic correlations among growth and physiological traits through bivariate linear models utilizing spatial corrections. We confirmed the relative importance of the red edge within the context of the study site’s ecotypic variation. When interpreting these findings, growth traits such as height, diameter, crown length, and crown height allowed us to estimate variable correlations across the reflectance spectrum, peaking in most cases in wavelengths connected to water content in plant tissues. Finally, significant differences among ecotypes in reflectance and other correlated traits were detected. |
| ISSN | 1664462X |
| DOI | 10.3389/fpls.2022.721064 |
| Volume Number | 13 |
| Journal | Frontiers in Plant Science |
| Language | English |
| Publisher Date | 2022-05-30 |
| Access Restriction | Open |
| Subject Keyword | Genetic correlation Ecotypes genetic variation Broadsense heritability Hyperspectral reflectance Chlorophyll Norway spruce (Picea abies (L.) H. Karst) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science |
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