Establishment of the optimal harvest time of botanical seeds of Espeletia grandiflora for the propagation and conservation of the species
DOI:
https://doi.org/10.33448/rsd-v12i6.42362Keywords:
Frailejon; Germination; Moor; Seed viability.Abstract
In order to contribute to the conservation of frailejones by facilitating their dynamic propagation, the best time to harvest seeds of E. grandiflora was determined. The morphological description of the inflorescence and achenes was carried out, taking into account the number and weight of full, empty and total seeds per inflorescence (weight of 1000 seeds), establishing the percentage of full and empty seeds and the percentage of germination per inflorescence. Additionally, the tetrazolium test was carried out (four replicates of 100 seeds per treatment). It was found that the number of total seeds decreased significantly with a higher phenological stage of formation and maturity of the inflorescence, reporting values of 68.64, 59 and 47.56 respectively at stages 1, 2 and 3. Likewise, analysing the variable weight of 1000 full seeds, it was found that the highest values were presented when harvesting inflorescences with bracts and peduncles without brown hairs (stage 3). For the germination percentage, the highest values were found in the seeds at stage 2, apparently influenced by extrinsic factors that limited the germination process in the seeds of stage 3 and intrinsic factors for stage 1. Finally, the viability analysis showed the highest results for phenological stage 3, with 70% viability; however, there was no significant difference with respect to phenological stage 2, which showed 68%, but there was a significant difference with respect to stage 1.
References
Bohórquez-Quintero, M. A., Araque-Barrera, E. J., Pacheco-Maldonado, J. C. (2016). Propagación in vitro de Espeletia paipana S. Díaz y Pedraza, frailejón endémico en peligro de extinción. Actualidades Biológicas, 38 (104), 23-36. https://doi.org/10.17533/udea.acbi.v38n104a03
Calderón-Hernández, M., Pérez-Martínez, L. V. (2018). Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia. Caldasia, 40(1), 177–187. https://doi.org/10.15446/caldasia.v40n1.67740
Céspedes, K. (2018). Determinación de los patrones de tinción y efecto de la giberelina sobre la germinación de las semillas de caoba (Swietenia macrophylla) y Guayacán amarillo (Handroanthus chrysanthus). Proyecto de Investigación - Innovación para optar al título de Ingeniero Forestal. Universidad Distrital Francisco José de Caldas – Facultad de Medio Ambiente y Recursos Naturales. 93. https://repository.udistrital.edu.co/bitstream/handle/11349/7725/CespedesTorresKaterineAndrea2018.pdf?sequence=1&isAllowed=y
Diazgranados, M., Castellanos-Castro, C. (2021). Frailejones en peligro. Instituto de Investigación de Recursos Biológicos Alexander von Humboldt. http://repository.humboldt.org.co/handle/20.500.11761/35925
Doria, J. (2010). “Generalidades Sobre Las Semillas: Su Producción, Conservación y Almacenamiento.” Cultivos Tropicales 31 (1): 74–85. https://doi.org/10.1016/S0168-6496(98)00035-X.
Gallego, A. M. (2014). Ofertas de semillas, germinabilidad y micrositios de establecimiento de Espeletia uribei cuatrec. 1978. en el Parque Nacional Chingaza – Cundinamarca (Tesis de maestría), Universidad Nacional de Colombia, Bogotá, Colombia. Recuperado de: http://www.bdigital.unal.edu.co/47917/
Lara, K. F., Cárdenas, J. E. G. (2015). Aspectos de la propagación sexual de Espeletia grandiflora en un sector intervenido del páramo de Chisacá (P.N.N. SUMAPAZ, COLOMBIA). Tesis de Maestría en Ciencias Ambientales. Universidad de Bogotá Jorge Tadeo Lozano. 119 p.
Mancipe-Murillo, C. (2020). Propagación de Espeletiopsis corymbosa, Espeletia barclayana, Espeletia summapacis y Espeletia killipii en condiciones de invernadero. Rev. Acad. Colomb. Cienc. Ex. Fis. Nat. 44(172):780-793. https://doi.org/10.18257/raccefyn.1105
Mancipe-Murillo, C., Calderón-Hernández, M., Pérez-Martínez, L. V. (2018). Evaluación de viabilidad de semillas de 17 especies tropicales altoandinas por la prueba de germinación y la prueba de tetrazolio / Assessment of seed viability of 17 high andean tropical species by germination and tetrazolium tests. Caldasia, 40(2), 366–382. https://www.jstor.org/stable/26553144
Mendoza, A. A., Martínez, J. E. (2011). Propagación, adaptación y crecimiento del frailejón Espeletia conglomerata en vivero. Trabajo de grado Especialización. Universidad Pontificia Bolivariana. Bucaramanga, Colombia. 43 p. https://repository.upb.edu.co/bitstream/handle/20.500.11912/1844/digital_22213.pdf?sequence=1&isAllowed=y
Montúfar, R., Ayala, M. (2019). Percepciones de agrodiversidad y prácticas de conservación de semillas en los Andes del norte de Ecuador. J Etnobiología Etnomedicina 15 (35). https://doi.org/10.1186/s13002-019-0312-5
Morales, M., Otero, J., Van der Hammen, T., Torres, A., Cadena, C.E., Pedraza, C.A., Rodríguez, N., Franco, C.A., Betancourth, J.C., Olaya, E., Posada, E., Cárdenas, L. (2007). Atlas de Páramos de Colombia. Bogotá, D. C., Colombia: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt. 208 p. http://www.scielo.org.co/pdf/racefn/v44n172/0370-3908-racefn-44-172-780.pdf
Padilla, C. Rodríguez, I., Ruiz, T. E., Herrera, M. (2018). Determinación del mejor momento de cosecha de semilla gámica, Tithonia diversifolia (Hemsl.) Gray. Livestock Research for Rural Development 30 (4). 11 p. https://www.researchgate.net/publication/324258539
Rasmussen, L.V., Coolsaet, B., Martin, A., Mertz O., Dawson N., Pascual U., Corbera E., Fisher J.A.,Ryan C.M., Francos P. (2018).Resultados socioecológicos de la intensificación agrícola. Nat Sustain 1, 275–282. https://doi.org/10.1038/s41893-018-0070-8
Suárez-Rivero D., Marin-Mahecha O., Gonzalez A.J., Suarez Rivero M., Puentes A.E., Ortiz Aguilar J. (2018). Composition and behavior of sunflower seeds (Helianthus annuus l.) from plants treated with magnetic fields for energy potential use of biomass, Chemical Engineering Transactions, 65, 679-684. 10.3303/CET1865114
Suárez-Rivero D., Marin-Mahecha O., Salazar Torres V., Real X., Ortiz Aguilar J., Suarez-Rivero M. (2017). Biomass production and morpho-phsysiological effects on sunflower plants (Helianthus annuss l.) under induced magnetic fiels, Chemical Engineering Transactions, 57, 115-120. 10.3303/CET1757020
Suárez-Rivero, D. (2011). Estadística Inferencial. Editorial EDUCC, 49 – 63.
Tintinago, N. M. (2019). Evaluación de cuatro sustratos de tipo tradicional en la reproducción del frailejón (Espeletia hartwegiana) en viveros, para el repoblamiento en el Páramo de Barbillas Pancitará-Cauca. 91 p.
Velasco, V. M. (2018). Biología reproductiva de una población Espeletia curialensis var. Exigua Rodr. Cabeza y S. Díaz (cordillera Oriental, Colombia). Tesis de maestría. Manejo, uso y conservación del bosque. Universidad Distrital de Colombia.
Zimmerer, K., de Haan, S. (2017) Agrobiodiversidad y un futuro alimentario sostenible. Plantas naturales 3, 17047. https://doi.org/10.1038/nplants.2017.47
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2023 Maikel Suárez-Rivero; Olga Marín-Mahecha; Jannet Ortiz-Aguilar; Edith Patricia Sánchez-Quiñones; Juan Fuentes-Reines; Deivis Suárez-Rivero
This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors who publish with this journal agree to the following terms:
1) Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
2) Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
3) Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work.