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Abstract:

The development of the female gametophyte and the pollen grain, the ultrastructure of the mature megagametophyte and the endothelial cells in Lotus glaber were examined. The anther wall development follows the dicotyledonous type. The tapetum is secretory, the microspore tetrads are tetrahedral and pollen grains are shed at a bicellular stage. The mature ovule is anatropous, crassinucellar and bitegmic; integuments form a zig-zag micropyle. A T-shaped megaspore tetrad is formed and the lowest megaspore is functional and produces a 7-celled embryo-sac corresponding to the Polygonum type. The synergids show ultrastructural differences, involving dictyosomes and ERr; these differences suggest a functional differentiation, probably related to the reception of the pollen tube. © Finnish Zoological and Botanical Publishing Board 2006.

Registro:

Documento: Artículo
Título:Embryological studies in Lotus glaber (Fabaceae)
Autor:Galati, B.G.; Rosenfeldt, S.; Tourn, G.M.
Filiación:Departamento de Biodiversidad Y Biología Experimental, F.C.E. y N. UBA, Pabellón II, C1428EAH, Argentina
Cátedra de Botánica Agrícola, F.A. UBA, Avda. San Martín 4453, C1417DSE, Argentina
Palabras clave:Embryology; Endothelium; Lotus; Megagametophyte; Ultrastructure; Fabaceae; Lotus glaber; Polygonum
Año:2006
Volumen:43
Número:2
Página de inicio:97
Página de fin:106
Título revista:Annales Botanici Fennici
Título revista abreviado:Ann. Bot. Fenn.
ISSN:00033847
CODEN:ABOFA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00033847_v43_n2_p97_Galati

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Citas:

---------- APA ----------
Galati, B.G., Rosenfeldt, S. & Tourn, G.M. (2006) . Embryological studies in Lotus glaber (Fabaceae). Annales Botanici Fennici, 43(2), 97-106.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00033847_v43_n2_p97_Galati [ ]
---------- CHICAGO ----------
Galati, B.G., Rosenfeldt, S., Tourn, G.M. "Embryological studies in Lotus glaber (Fabaceae)" . Annales Botanici Fennici 43, no. 2 (2006) : 97-106.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00033847_v43_n2_p97_Galati [ ]
---------- MLA ----------
Galati, B.G., Rosenfeldt, S., Tourn, G.M. "Embryological studies in Lotus glaber (Fabaceae)" . Annales Botanici Fennici, vol. 43, no. 2, 2006, pp. 97-106.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00033847_v43_n2_p97_Galati [ ]
---------- VANCOUVER ----------
Galati, B.G., Rosenfeldt, S., Tourn, G.M. Embryological studies in Lotus glaber (Fabaceae). Ann. Bot. Fenn. 2006;43(2):97-106.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00033847_v43_n2_p97_Galati [ ]