2005
DOI: 10.1139/b05-079
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Microsporogenesis inAmelanchier alnifolia: sporogenous cells, microsporocytes, and tetrads

Abstract: As part of an overall program aimed at increasing our knowledge of the male reproductive system of Amelanchier alnifolia Nutt., this study documents structural and developmental changes that occur in the sporogenous cells, microsporocytes, and tetrads of microspores during microsporogenesis using general cytochemical techniques in conjunction with bright field, fluorescence, and transmission electron microscopy. The sporogenous cells are thin walled and stain positively for b-1,4-glucans, pectic acids, and cel… Show more

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Cited by 3 publications
(2 citation statements)
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“…In A. americanum, the presence of callose did not occlude the cytomictic channels, which remained open even at the onset of microsporogenesis. Sumner and Remphrey (2005) made a similar observation for Amelanchier alnifolia Nutt.…”
Section: Microsporocytes and Microsporogenesissupporting
confidence: 60%
“…In A. americanum, the presence of callose did not occlude the cytomictic channels, which remained open even at the onset of microsporogenesis. Sumner and Remphrey (2005) made a similar observation for Amelanchier alnifolia Nutt.…”
Section: Microsporocytes and Microsporogenesissupporting
confidence: 60%
“…In Rosaceae family, anther wall ontogeny and microsporogenesis have been studied in only a few genera (Hamideh et al, 2012;Sumner and Remphrey, 2005). This is the first report on anther wall ontogeny and microsporogenesis in Crataegus tanacetifolia (Lam.)…”
Section: Discussionmentioning
confidence: 98%