Academic literature on the topic 'Tapetum ontogeny'
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Journal articles on the topic "Tapetum ontogeny"
Taylor, Mackenzie L., Patrick J. Hudson, Jolene M. Rigg, Julie N. Strandquist, Julie Schwartz Green, Tara C. Thiemann, and Jeffrey M. Osborn. "Tapetum structure and ontogeny inVictoria(Nymphaeaceae)." Grana 51, no. 2 (June 2012): 107–18. http://dx.doi.org/10.1080/00173134.2012.673635.
Full textGotelli, M., B. Galati, and D. Medan. "Pollen, Tapetum, and Orbicule Development inColletia paradoxaandDiscaria americana(Rhamnaceae)." Scientific World Journal 2012 (2012): 1–8. http://dx.doi.org/10.1100/2012/948469.
Full textÇETİNBAŞ, Aslihan, and Meral ÜNAL. "Anther Ontogeny and Microsporogenesis in Helianthus annuus L. (Compositae)." Notulae Scientia Biologicae 7, no. 1 (March 20, 2015): 52–56. http://dx.doi.org/10.15835/nsb719474.
Full textParkinson, Barbara M. "Development of the sporangia and associated structures in Schizaea pectinata (Schizaeaceae : Pteridophyta)." Canadian Journal of Botany 73, no. 12 (December 1, 1995): 1867–77. http://dx.doi.org/10.1139/b95-199.
Full textGabarayeva, Nina, Valentina Grigorjeva, and Svetlana Polevova. "Sporoderm and tapetum ontogeny in Juniperus communis (Cupressaceae). Connective structures between tapetum and microspores." Review of Palaeobotany and Palynology 206 (July 2014): 23–44. http://dx.doi.org/10.1016/j.revpalbo.2014.03.004.
Full textSolís, Stella M., Beatriz Galati, and María S. Ferrucci. "Microsporogenesis and microgametogenesis of Cardiospermum grandiflorum and Urvillea chacoensis (Sapindaceae, Paullinieae)." Australian Journal of Botany 58, no. 7 (2010): 597. http://dx.doi.org/10.1071/bt10162.
Full textWei, Dongmei, Huimin Xu, and Ruili Li. "Dynamics of Polysaccharides and Neutral Lipids during Anther Development in Castor (Ricinus communis)." Journal of the American Society for Horticultural Science 140, no. 4 (July 2015): 356–61. http://dx.doi.org/10.21273/jashs.140.4.356.
Full textPacini, E., and C. J. Keijzer. "Ontogeny of intruding non-periplasmodial tapetum in the wild chicory,Cichorium intybus (Compositae)." Plant Systematics and Evolution 167, no. 3-4 (1989): 149–64. http://dx.doi.org/10.1007/bf00936403.
Full textBittencourt Jr, Nelson S., and Jorge Ernesto de A. Mariath. "Ontogenia dos estratos parietais da antera de Tabebuia pulcherrima Sandw. (Bignoniaceae)." Acta Botanica Brasilica 11, no. 1 (July 1997): 09–30. http://dx.doi.org/10.1590/s0102-33061997000100002.
Full textMalueg, K. R., S. E. Schlarbaum, E. T. Graham, and R. N. Trigiano. "CORNUS FLORIDA POLLEN ONTOGENY." HortScience 30, no. 3 (June 1995): 440g—441. http://dx.doi.org/10.21273/hortsci.30.3.440g.
Full textDissertations / Theses on the topic "Tapetum ontogeny"
Pereira, Junior Eduardo João. "Embriologia de Nymphaea L. (Nymphaeales - Nymphaeaceae) implicações para a evolução inicial das angiospermas /." Botucatu, 2016. http://hdl.handle.net/11449/137821.
Full textResumo: Compreender a diversidade das Nymphaeales, considerado como o segundo ramo da filogenia das angiospermas, é de considerável interesse como modelo da evolução inicial das angiospermas. Este trabalho objetivou investigar a ontogenia da antera, dos óvulos e sementes em espécies de Nymphaea. Ovários e sementes de N. amazonum Mart. & Zucc. subsp. amazonum, N. caerulea Savigny e N. lotus L. e, anteras de N. amazonum Mart. & Zucc. subsp. amazonum e N. caerulea Savigny, em diversos estádios de desenvolvimento, foram fixados, infiltrados em historesina e as secções obtidas com 1-4 µm foram coradas com azul-de-toluidina O ou submetidas a testes histoquímicos. O desenvolvimento da parede do androsporângio é do tipo básico. Após a meiose, a citocinese simultânea dá origem a tétrades tetraédricas de andrósporos nas quais já são detectáveis a intina e a primexina, há um atraso na liberação dos andrósporos das tétrades em N. caerulea. A partir do estádio de andrósporos livres observa-se uma abertura anelar equatorial e, no estádio de andrósporos vacuolados observa-se o ‘pollenkitt’ na superfície da esporoderme. A mitose do andrósporo ocorre perpendicularmente à esporoderme e, a intina se espessa, principalmente abaixo da abertura, onde há a contribuição da endexina para a formação do oncus. O tapete de N. amazonum e N. caerulea é secretor e não apresenta ciclos invasivo como relatado para N. colorata. O tipo básico de desenvolvimento do androsporângio também foi relatado para Amborella tric... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Understanding the diversification of Nymphaeales, the second branch in the angiosperm phylogenetic tree, has a considerable interest to propose models of early evolution of the angiosperms. This work aims to analyze the anther and ovule ontogeny in species of Nymphaea. Ovaries and seeds of N. amazonum Mart. & Zucc. subsp. amazonum, N. caerulea Savigny and N. lotus L. and, anthers of N. amazonum Mart. & Zucc. subsp. amazonum and N. caerulea Savigny, in several development stages, were fixed infiltrated in historesin and the sections with 1-4 µm were stained with toluidine blue O or submitted to histochemical tests. The androsporangium wall follows the basic type of development. After meiosis, a simultaneous cytokinesis give rise a tetrahedral tetrad of androspores, the intine and primexine is detectable in this stage and, in N. caerulea occurs a delay in the release of androspores from the tetrads. We observe an equatorial ring-like aperture in the free androspores stage and, in vacuolated androspores the ‘pollenkitt’ is visualized in the sporoderm surface. The mitosis of the androspore occurs perpendicularly to sporoderm and, the intine begins to thicken beneath the aperture and, together with the endexine originate the oncus. The tapetum of Nymphaea amazonum and N. caerulea are secretor and do not show invasive cycles as reported to N. colorata. The basic type of androsporangium wall development also are reported to Amborella trichopoda, Nuphar pumila and for the species of ... (Complete abstract click electronic access below)
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Book chapters on the topic "Tapetum ontogeny"
Pacini, Ettore. "Tapetum and microspore function." In Microspores Evolution and Ontogeny, 213–37. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-12-103458-0.50014-6.
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