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The MAP3K-coding QUI-GON JINN (QGJ) gene is essential to the formation of unreduced embryo sacs in paspalum
(Frontiers Media S.A., 2018-10)
Apomixis is a clonal mode of reproduction via seeds, which results from the failure of meiosis and fertilization in the sexual female reproductive pathway. In previous transcriptomic surveys, we identified a mitogen-activated ...
Diversification in the use of resources by Idarnes species: bypassing functional constraints in the fig-fig wasp interaction
(WILEY-BLACKWELLMALDEN, 2013-08-02)
Mutualisms such as the figfig wasp mutualism are generally exploited by parasites. We demonstrate that amongst nonpollinating fig wasps (NPFWs) parasitic on Ficus citrifolia, a species of Idarnes galls flowers and another ...
Evaluación de apomixis en germoplasma seleccionado de mora de castilla Rubus glaucus Benth
(2010-11-17)
El modo reproductivo de ocho ecotipos de mora de Castilla pertenecientes a la colección de materiales de la Universidad Nacional de Colombia sede Palmira se evaluó mediante: el clareo de sacos embrionarios, estimación de ...
Development of ovule, fruit and seed of Xyris (Xyridaceae, Poales) and taxonomic considerations
(Wiley-Blackwell, 2015-04-01)
The development of the ovule, fruit and seed of Xyris spp. was studied to assess the embryological characteristics of potential taxonomic usefulness. All of the studied species have (1) orthotropous, bitegmic and tenuinucellate ...
Ovule and female gametophyte in representatives of Nymphaeasubgenus Hydrocallis and Victoria (Nymphaeaceae; Nymphaeoideae)
(Elsevier, 2014)
Nymphaeaceae occupies an important phylogenetic position because of their placement as one of the basal angiosperms. From this perspective, morphological studies in the family are of great value to under- standing plant ...
Comparación anatómica de botones florales con y sin potencial de absición en Phaseolus vulgaris
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-10)
Óvulos de botones florales con alto potencial de abscisión mostraron alto porcentaje (96% ) de anormalidades anatómicas e irregularidades en el desarrollo del saco embrionario. En contraste pocos (31% ) óvulos de flores ...
Desenvolvimento de óvulo, fruto e semente de espécies de Poaceae (Poales)
(Sociedade Botânica de São Paulo, 2014)