The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina)
The present study investigated the size and structure of the nectaries in flowers of marrow – Cucurbita pepo convar. giromontiina cv. ‘Weiser Busch’. The diameter and thickness of nectariferous layer were compared in female and male flowers of this taxon. The micromorphology as well as the anatomica...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Polish Botanical Society
2013-10-01
|
| Series: | Acta Agrobotanica |
| Subjects: | |
| Online Access: | https://pbsociety.org.pl/journals/index.php/aa/article/view/2295 |
| _version_ | 1819067511726931968 |
|---|---|
| author | Marta Dmitruk Elżbieta Weryszko-Chmielewska |
| author_facet | Marta Dmitruk Elżbieta Weryszko-Chmielewska |
| author_sort | Marta Dmitruk |
| collection | DOAJ |
| description | The present study investigated the size and structure of the nectaries in flowers of marrow – Cucurbita pepo convar. giromontiina cv. ‘Weiser Busch’. The diameter and thickness of nectariferous layer were compared in female and male flowers of this taxon. The micromorphology as well as the anatomical and ultrastructural characters of the nectary from the female flower were observed using light, scanning and transmission electron microscopy. The density and size of stomata of the nectary epidermis from both types of flowers were examined using light microscopy. The nectaries in female flowers were found to have a larger size than in male flowers. The stomata occurring in the nectary epidermis of both types of flowers have a similar size and density. We observed that nectar was released onto the surface of the nectary not only via the stomata, but also through the walls of the epidermal cells. In TEM examination, large nuclei, different-shaped plastids, ER tubules, dictyosomes, and ribosomes were observed in the nectariferous tissue cells. A large number of mitochondria accompanying the plastids were found in the parenchyma cells of the nectary. The degradation of the nectary parenchyma cells in the flowers living for about 6 hours was asynchronous. |
| first_indexed | 2024-12-21T16:19:25Z |
| format | Article |
| id | doaj.art-c07b00acefb94b01adf5a2d5dc8b1b6d |
| institution | Directory Open Access Journal |
| issn | 2300-357X |
| language | English |
| last_indexed | 2024-12-21T16:19:25Z |
| publishDate | 2013-10-01 |
| publisher | Polish Botanical Society |
| record_format | Article |
| series | Acta Agrobotanica |
| spelling | doaj.art-c07b00acefb94b01adf5a2d5dc8b1b6d2022-12-21T18:57:37ZengPolish Botanical SocietyActa Agrobotanica2300-357X2013-10-01663112210.5586/aa.2013.0331858The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina)Marta Dmitruk0Elżbieta Weryszko-Chmielewska1University of Life Sciences in LublinUniversity of Life Sciences in LublinThe present study investigated the size and structure of the nectaries in flowers of marrow – Cucurbita pepo convar. giromontiina cv. ‘Weiser Busch’. The diameter and thickness of nectariferous layer were compared in female and male flowers of this taxon. The micromorphology as well as the anatomical and ultrastructural characters of the nectary from the female flower were observed using light, scanning and transmission electron microscopy. The density and size of stomata of the nectary epidermis from both types of flowers were examined using light microscopy. The nectaries in female flowers were found to have a larger size than in male flowers. The stomata occurring in the nectary epidermis of both types of flowers have a similar size and density. We observed that nectar was released onto the surface of the nectary not only via the stomata, but also through the walls of the epidermal cells. In TEM examination, large nuclei, different-shaped plastids, ER tubules, dictyosomes, and ribosomes were observed in the nectariferous tissue cells. A large number of mitochondria accompanying the plastids were found in the parenchyma cells of the nectary. The degradation of the nectary parenchyma cells in the flowers living for about 6 hours was asynchronous.https://pbsociety.org.pl/journals/index.php/aa/article/view/2295nectarysizemicromorphologyanatomyultrastructuremarrowCucurbita pepoflowers |
| spellingShingle | Marta Dmitruk Elżbieta Weryszko-Chmielewska The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina) Acta Agrobotanica nectary size micromorphology anatomy ultrastructure marrow Cucurbita pepo flowers |
| title | The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina) |
| title_full | The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina) |
| title_fullStr | The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina) |
| title_full_unstemmed | The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina) |
| title_short | The morphology and ultrastructure of the nectaries of marrow (Cucurbita pepo L. convar. giromontiina) |
| title_sort | morphology and ultrastructure of the nectaries of marrow cucurbita pepo l convar giromontiina |
| topic | nectary size micromorphology anatomy ultrastructure marrow Cucurbita pepo flowers |
| url | https://pbsociety.org.pl/journals/index.php/aa/article/view/2295 |
| work_keys_str_mv | AT martadmitruk themorphologyandultrastructureofthenectariesofmarrowcucurbitapepolconvargiromontiina AT elzbietaweryszkochmielewska themorphologyandultrastructureofthenectariesofmarrowcucurbitapepolconvargiromontiina AT martadmitruk morphologyandultrastructureofthenectariesofmarrowcucurbitapepolconvargiromontiina AT elzbietaweryszkochmielewska morphologyandultrastructureofthenectariesofmarrowcucurbitapepolconvargiromontiina |