Pollen morphology in relation to the taxonomy and phylogeny of some native Greek Aegilops species: polyploids sharing a common genome (C) and their diploid donors

 
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Pollen morphology in relation to the taxonomy and phylogeny of some native Greek Aegilops species: polyploids sharing a common genome (C) and their diploid donors

Karataglis, Stylianos
Symeonidis, Lazaros
Panagiotidis, Sampson
Athanasiadis, Nikolaos

The pollen morphology of some native Greek Aegilops species is investigated in LM ( quantitative pollen characters) and SEM ( exine sculpture) using acetolysed material. Furthermore, quantitative data are subjected to a multivariate analysis. The tetraploid Ae. cylindrica and its diploid parent Ae. caudata show a distinct morphological affinity as regards their quantitative pollen profile and the features of the exine sculpture. The tetraploid Ae. triuncialis is morphologically divergent from both its parents Ae. caudata and Ae. umbellulata due to the very large values of its quantitative pollen characters. However,the SEM survey of the exine sculpture indicates a rather high degree of similarity between Ae. triuncialis and Ae. umbellulata. No significant differences have been found between the two varieties of Ae. caudata ( caudata and polyathera) concerning the quantitative pollen characters as a total or the morphology of the exine sculpture. The resultant clustering of the taxa on the basis of the quantitative pollen characters as well as the recorded similarities of their exine pattern are related to their sectional classification based on cytogenetical and morphological data.

Article / Άρθρο
info:eu-repo/semantics/article

Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

Αγγλική γλώσσα

2012-01-23T09:00:00Z
2000


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Θετικών Επιστημών, Τμήμα Βιολογίας
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Γεωπονίας, Δασολογίας και Φυσικού Περιβάλλοντος, Τμήμα Δασολογίας και Φυσικού Περιβάλλοντος

GRANA, vol.39, no.2-3 [2000] p.126-132 [Published Version]
urn:ISSN:00173134

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info:eu-repo/semantics/openAccess



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