nucellus

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nucellus

the tissue within the OVULE of a plant, surrounded by INTEGUMENTS (1) and containing the EMBRYO SAC.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Identification of zygotic and nucellar tangerine seedlings (Citrus spp.) using RAPD.
However, the nucellar epidermis produced a subdermal layer by periclinal division between the epidermis of the ovule and the megaspore mother cell (Fig.
alata is occluded by the nucellar beak, as reported to several other species within Euphorbiaceae (Endress, 1994; Souza et al., 2010).
D'Souza, "Induction, development and germination of somatic embryos from nucellar tissues of cashew (Anacardium occidentale L.)," Scientia Horticulturae, vol.
Characterizations of zygotic and nucellar seedlings from sour orange-like citrus rootstock candidates using RAPD end EST-SSR markers.
Normally in cucurbits, the seed setting and seed germination is low, probably due to presence of a thin nucellar membrane lending impermeability to water and gases and make them dormant for many days (Devendra et al., 2008).
Survival by vitrification of nucellar cells of naval orange (Citrus sinensis Osb.
(ju:s) EUC eucyclic (a Botanical term), deuce EWS Newspeak UIS nuisance YUS Yusufzai (a Pathan tribal group inhabiting the N-W Frontier Province of Pakistan \passage) EUS Euston, eustacy (a uniform change of sea level worldwide), UC nucellar, fuci, deduce \ Zeus, meuse us use, manuscript, meatus (a natural channel or tubular short 's' sound followed by long 'U' sound....
Avocado sunblotch viroid (ASBVd) is persistent in nucellar cultures (Persea americana Mill.)
Although there is a large amount of variability within the Citrus genus with which the breeder can work, and closely related genera provide an even wider selection of characters, there are several barriers to the full utilization of this variability (sterility, incompatibility, nucellar embryony, juvenility).
Unreduced embryo sacs arise from somatic nucellar cells in apospory and unreduced archesporial cells in diplospory (Asker and Jerling, 1992).