Leaf n-Alkanes as Characters Differentiating Coastal and Continental Juniperus deltoides Populations from the Balkan Peninsula
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Janaćković, Peđa T.
Bojović, Srđan R.
Marin, Petar D.
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The composition of the cuticular n-alkanes isolated from the leaves of nine populations of Juniperus deltoides R. P. Adams from continental and coastal areas of the Balkan Peninsula was characterized by GC-FID and GC/MS analyses. In the leaf waxes, 14 n-alkane homologues with chain-lengths ranging from C22 to C35 were identified. n-Tritriacontane (C33) was dominant in the waxes of all populations, but variations between the populations in the contents of all n-alkanes were observed. Several statistical methods (ANOVA, principal component, discriminant, and cluster analyses) were used to investigate the diversity and variability of the cuticular-leaf-n-alkane patterns of the nine J. deltoides populations. This is the first report on the n-alkane composition for this species. The multivariate statistical analyses evidenced a high correlation of the leaf-n-alkane pattern with the geographical distribution of the investigated samples, differentiating the coastal from the continental popula...tions of this taxon.
Кључне речи:Alkanes / Discriminant analysis / Hierarchical cluster analysis (CA) / Juniperus deltoides / Principal component analysis (PCA)
Извор:Chemistry and Biodiversity, 2014, 11, 7, 1042-1052
- Wiley-V C H Verlag Gmbh, Weinheim