Seed anatomy and water uptake in relation to seed dormancy in Opuntia tomentosa (Cactaceae, Opuntioideae).

TitleSeed anatomy and water uptake in relation to seed dormancy in Opuntia tomentosa (Cactaceae, Opuntioideae).
Publication TypeJournal Article
Year of Publication2007
JournalAnnals of botany
Volume99
Issue4
Pagination581-92
ISSN0305-7364
Abstract

There is considerable confusion in the literature concerning impermeability of seeds with 'hard' seed coats, because the ability to take up (imbibe) water has not been tested in most of them. Seeds of Opuntia tomentosa were reported recently to have a water-impermeable seed coat sensu lato (i.e. physical dormancy), in combination with physiological dormancy. However, physical dormancy is not known to occur in Cactaceae. Therefore, the aim of this study was to determine if seeds of O. tomentosa are water-permeable or water-impermeable, i.e. if they have physical dormancy.

URLhttps://academic.oup.com/aob/article-lookup/doi/10.1093/aob/mcm001
DOI10.1093/aob/mcm001
Short TitleAnn Bot
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