Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L.
Physalis peruviana L. and P. philadelphica Lam. represent two Solanaceae species which are economically important for Colombia and Mexico, respectively. Little is currently known regarding P. peruviana and P. philadelphica palynology and pollen viability. This work was thus aimed at characterising t...
| Autores principales: | , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Español |
| Publicado: |
2005
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/44258 |
| _version_ | 1855542158098956288 |
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| author | Lagos Burbano, TC Caetano, C.M. Vallejo Cabrera, Franco Alirio Muñoz, J.E. Criollo Escobar, H Olaya, Cristian A. |
| author_browse | Caetano, C.M. Criollo Escobar, H Lagos Burbano, TC Muñoz, J.E. Olaya, Cristian A. Vallejo Cabrera, Franco Alirio |
| author_facet | Lagos Burbano, TC Caetano, C.M. Vallejo Cabrera, Franco Alirio Muñoz, J.E. Criollo Escobar, H Olaya, Cristian A. |
| author_sort | Lagos Burbano, TC |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Physalis peruviana L. and P. philadelphica Lam. represent two Solanaceae species which are economically important for Colombia and Mexico, respectively. Little is currently known regarding P. peruviana and P. philadelphica palynology and pollen viability. This work was thus aimed at characterising these two species pollen grains and determining pollen viability in contrasting cold and warm climate conditions. Acetolysis (light microscopy) and scanning electron microscopy were employed for pollen characterisation. The following traits were determined: polar axis, equatorial diameter, aperture number, position and character (NPC), apocolpus/apoporus side, pollen morphology, axis and equatorial contour, polar area and aperture and pollen types. This led to describing and characterising the pollen grains of the genotypes being studied. Flower fixation during anthesis, followed by acetocarmin staining, was used for establishing pollen viability; observations were made by light microscope. The two species displayed a medium-sized pollen grain zono-tricolporate in P. peruviana and a small-sized one in P. philadelphica. Marginal environments reduced pollen viability but did not affect fertility. |
| format | Journal Article |
| id | CGSpace44258 |
| institution | CGIAR Consortium |
| language | Español |
| publishDate | 2005 |
| publishDateRange | 2005 |
| publishDateSort | 2005 |
| record_format | dspace |
| spelling | CGSpace442582025-05-28T14:52:21Z Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L. Physalis peruviana L. and Physalis philadelphica Lam. palynological characterization and pollen viability Lagos Burbano, TC Caetano, C.M. Vallejo Cabrera, Franco Alirio Muñoz, J.E. Criollo Escobar, H Olaya, Cristian A. physalis peruviana physalis philadelphica palynology pollen tropical fruits palinología polen frutas tropicales Physalis peruviana L. and P. philadelphica Lam. represent two Solanaceae species which are economically important for Colombia and Mexico, respectively. Little is currently known regarding P. peruviana and P. philadelphica palynology and pollen viability. This work was thus aimed at characterising these two species pollen grains and determining pollen viability in contrasting cold and warm climate conditions. Acetolysis (light microscopy) and scanning electron microscopy were employed for pollen characterisation. The following traits were determined: polar axis, equatorial diameter, aperture number, position and character (NPC), apocolpus/apoporus side, pollen morphology, axis and equatorial contour, polar area and aperture and pollen types. This led to describing and characterising the pollen grains of the genotypes being studied. Flower fixation during anthesis, followed by acetocarmin staining, was used for establishing pollen viability; observations were made by light microscope. The two species displayed a medium-sized pollen grain zono-tricolporate in P. peruviana and a small-sized one in P. philadelphica. Marginal environments reduced pollen viability but did not affect fertility. Physalis peruviana L. y P. philadelphica Lam. son dos solanáceas de importancia económica para Colombia y México. Existen grandes vacíos en el conocimiento de la palinología y viabilidad polínica de estas dos especies. Por lo tanto, el objetivo del presente trabajo fue caracterizar su grano de polen y determinar su viabilidad bajo condiciones con- trastantes de climas frío y cálido. La caracterización del polen se hizo a través de la técnica de acetólisis (en microscopía de luz) y por microscopía electrónica de barrido. Se determinaron variables como el eje polar, el diámetro ecuatorial, el número, posición y carácter de las aberturas (NPC), lado de apocolpo/ apoporo, forma polínica, contorno en vista polar y en vista ecuatorial, tipos de área polar y de abertura, y el tipo polínico. Estas variables permitieron descri- bir y caracterizar el grano de polen de los genotipos estudiados. Con el empleo de técnicas de fijación de flores en antesis y tinción con acetocarmín, se hizo un análisis de la viabilidad polínica bajo microscopía de luz. Las dos especies presentan un grano de po- len zono-tricolporado, de tamaño mediano en P. pe- ruviana y pequeño en P. philadelphica. Los ambientes marginales reducen la viabilidad del polen pero no afectan su fertilidad. 2005 2014-10-02T08:33:30Z 2014-10-02T08:33:30Z Journal Article https://hdl.handle.net/10568/44258 es Open Access |
| spellingShingle | physalis peruviana physalis philadelphica palynology pollen tropical fruits palinología polen frutas tropicales Lagos Burbano, TC Caetano, C.M. Vallejo Cabrera, Franco Alirio Muñoz, J.E. Criollo Escobar, H Olaya, Cristian A. Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L. |
| title | Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L. |
| title_full | Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L. |
| title_fullStr | Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L. |
| title_full_unstemmed | Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L. |
| title_short | Caracterización palinológica y viabilidad polínica de Physalis peruviana L. y Physalis philadelphica L. |
| title_sort | caracterizacion palinologica y viabilidad polinica de physalis peruviana l y physalis philadelphica l |
| topic | physalis peruviana physalis philadelphica palynology pollen tropical fruits palinología polen frutas tropicales |
| url | https://hdl.handle.net/10568/44258 |
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