Sub-imbibed Storage

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Juli 2011



The seeds of Trichilia dregeana, Trichilia emetica, Podocarpus henkelii and Syzygium cuminii display the characteristics typical of recalcitrant seeds. It is the phenomena of ongoing metabolic activity and desiccation sensitivity that render them unsuitable for storage by the conventional methods used for orthodox seeds.Investigations on the storage responses of 'sub-imbibed' (partially dried) and fully hydrated seeds of all four species were carried out to study the effects of partial drying on viability and subsequent storage lifespan. Storage of 'sub-imbibed' seeds of T. dregeana, T. emetica, P. henkelii and Syzygium cuminii does not confer any benefit over seeds stored in the fully hydrated state; rather it appears to be deleterious to seed survival during storage. This was dtermined from the assessment of viability, electrolyte leakage and respiration. It is apparent that the removal of water, however small a proportion, accelerates seed deterioration during storage. Thus 'sub-imbibed' storage has no practical application for the storage of recacitrant seeds.


Sharon Eggers completed an MSc in Cellular Biology in 2007 at the University of KwaZulu-Natal and is currently employed as Principle Technician in the Electron Microscope Unit at the same University. She is in charge of the Scanning Electron Microscope and in the training of users to operate the microscope.
EAN: 9783844384475
ISBN: 3844384472
Untertitel: of recalcitrant seeds of four species. Paperback. Sprache: Englisch.
Verlag: LAP Lambert Acad. Publ.
Erscheinungsdatum: Juli 2011
Seitenanzahl: 184 Seiten
Format: kartoniert
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