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EnglishAbies nebrodensis is a strict Sicilian endemic species, listed as “Critically Endangered” in the IUCN Red List of Threatened Species. Seed production highly varies annually and among specimens. The species is affected by a very low seed germination rate, mainly depending on the large number of empty seeds (from 68 to 96%). The embryo presence in seeds increases with increasing seed size and weight. Optimal germination rate (61%) was achieved at constant 5°C in the darkness. The low proportion of embryos in seeds is a relevant threat for A. nebrodensis conservation, as it affects the intrapopulation genetic diversity and reduces the potential genetic variability of seed accessions preserved in a gene bank collection.
Scialabba A. (2019). Seed germination in Abies nebrodensis (Pinaceae). FLORA MEDITERRANEA, 29, 272-276 [10.7320/FlMedit29.272].
| Data di pubblicazione: | 2019 | |
| Titolo: | Seed germination in Abies nebrodensis (Pinaceae) | |
| Autori: | SCIALABBA, Anna (Corresponding) | |
| Citazione: | Scialabba A. (2019). Seed germination in Abies nebrodensis (Pinaceae). FLORA MEDITERRANEA, 29, 272-276 [10.7320/FlMedit29.272]. | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.7320/FlMedit29.272 | |
| Abstract: | Abies nebrodensis is a strict Sicilian endemic species, listed as “Critically Endangered” in the IUCN Red List of Threatened Species. Seed production highly varies annually and among specimens. The species is affected by a very low seed germination rate, mainly depending on the large number of empty seeds (from 68 to 96%). The embryo presence in seeds increases with increasing seed size and weight. Optimal germination rate (61%) was achieved at constant 5°C in the darkness. The low proportion of embryos in seeds is a relevant threat for A. nebrodensis conservation, as it affects the intrapopulation genetic diversity and reduces the potential genetic variability of seed accessions preserved in a gene bank collection. | |
| Settore Scientifico Disciplinare: | Settore BIO/01 - Botanica Generale | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Abies 2019 FL29_272-276 Fl. Medit. vol 29.pdf | articolo principale | Versione Editoriale | Open Access Visualizza/Apri |
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