Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia

Ex-situ seed conservation is one of the most effective tools for biodiversity and genetic diversity protection. In the context of global climate change, ex situ conservation has become an important strategy that must be strengthen and integrated with in situ conservation strategies. The main objecti...

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Autores:
Calderón-Hernández, Manuela
Pérez-Martínez, Laura Victoria
Tipo de recurso:
Article of journal
Fecha de publicación:
2018
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/68382
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/68382
http://bdigital.unal.edu.co/69415/
Palabra clave:
5 Ciencias naturales y matemáticas / Science
57 Ciencias de la vida; Biología / Life sciences; biology
Andes
ex situ conservation
orthodox seeds
Páramo
seed storage.
Almacenamiento de semillas
Andes
conservación ex situ
páramo
semillas ortodoxas.
Rights
openAccess
License
Atribución-NoComercial 4.0 Internacional
id UNACIONAL2_dc65a91364c1faf12dc94d4156a7639f
oai_identifier_str oai:repositorio.unal.edu.co:unal/68382
network_acronym_str UNACIONAL2
network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
title Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
spellingShingle Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
5 Ciencias naturales y matemáticas / Science
57 Ciencias de la vida; Biología / Life sciences; biology
Andes
ex situ conservation
orthodox seeds
Páramo
seed storage.
Almacenamiento de semillas
Andes
conservación ex situ
páramo
semillas ortodoxas.
title_short Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
title_full Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
title_fullStr Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
title_full_unstemmed Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
title_sort Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia
dc.creator.fl_str_mv Calderón-Hernández, Manuela
Pérez-Martínez, Laura Victoria
dc.contributor.author.spa.fl_str_mv Calderón-Hernández, Manuela
Pérez-Martínez, Laura Victoria
dc.subject.ddc.spa.fl_str_mv 5 Ciencias naturales y matemáticas / Science
57 Ciencias de la vida; Biología / Life sciences; biology
topic 5 Ciencias naturales y matemáticas / Science
57 Ciencias de la vida; Biología / Life sciences; biology
Andes
ex situ conservation
orthodox seeds
Páramo
seed storage.
Almacenamiento de semillas
Andes
conservación ex situ
páramo
semillas ortodoxas.
dc.subject.proposal.spa.fl_str_mv Andes
ex situ conservation
orthodox seeds
Páramo
seed storage.
Almacenamiento de semillas
Andes
conservación ex situ
páramo
semillas ortodoxas.
description Ex-situ seed conservation is one of the most effective tools for biodiversity and genetic diversity protection. In the context of global climate change, ex situ conservation has become an important strategy that must be strengthen and integrated with in situ conservation strategies. The main objective of this study was to document the desiccation tolerance and germination properties of four species from Puya and provide tools that allow the ex situ conservation of this and other closely related species. These species are distributed in Páramo, a threatened ecosystem despite of its value as a water reservoir and supplier for urban population. Seed morphological variables and moisture content (MC) were measured before a test of germination was conducted with three different moisture contents (fresh seeds, 10–12 % and 3–5 %). Germination percentage and the mean germination time were evaluated. The germination was above 80 % in all the species with no significant differences when decreasing MC. There were no significant differences in mean germination time. Seed viability for the four species was high, as compared to other Páramo species. The results indicate that all species are orthodox. Therefore, this genus has great potential to be conserved in seed banks, which will contribute to diversity conservation of native species from tropical Andean highlands, and can be implemented in germination protocols for their propagation and reintroduction in restoration programs.
publishDate 2018
dc.date.issued.spa.fl_str_mv 2018-01-01
dc.date.accessioned.spa.fl_str_mv 2019-07-03T06:37:28Z
dc.date.available.spa.fl_str_mv 2019-07-03T06:37:28Z
dc.type.spa.fl_str_mv Artículo de revista
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dc.identifier.issn.spa.fl_str_mv ISSN: 2357-3759
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dc.relation.spa.fl_str_mv https://revistas.unal.edu.co/index.php/cal/article/view/67740
dc.relation.ispartof.spa.fl_str_mv Universidad Nacional de Colombia Revistas electrónicas UN Caldasia
Caldasia
dc.relation.references.spa.fl_str_mv Calderón-Hernández, Manuela and Pérez-Martínez, Laura Victoria (2018) Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia. Caldasia, 40 (1). pp. 177-187. ISSN 2357-3759
dc.rights.spa.fl_str_mv Derechos reservados - Universidad Nacional de Colombia
dc.rights.coar.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.rights.license.spa.fl_str_mv Atribución-NoComercial 4.0 Internacional
dc.rights.uri.spa.fl_str_mv http://creativecommons.org/licenses/by-nc/4.0/
dc.rights.accessrights.spa.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial 4.0 Internacional
Derechos reservados - Universidad Nacional de Colombia
http://creativecommons.org/licenses/by-nc/4.0/
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.mimetype.spa.fl_str_mv application/pdf
dc.publisher.spa.fl_str_mv Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Instituto de Ciencias Naturales
institution Universidad Nacional de Colombia
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spelling Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Calderón-Hernández, Manuela241b666b-6ec8-4d2c-8094-d0c33a5c80df300Pérez-Martínez, Laura Victoriad65d15d5-3991-4337-9e9a-c51300f5332a3002019-07-03T06:37:28Z2019-07-03T06:37:28Z2018-01-01ISSN: 2357-3759https://repositorio.unal.edu.co/handle/unal/68382http://bdigital.unal.edu.co/69415/Ex-situ seed conservation is one of the most effective tools for biodiversity and genetic diversity protection. In the context of global climate change, ex situ conservation has become an important strategy that must be strengthen and integrated with in situ conservation strategies. The main objective of this study was to document the desiccation tolerance and germination properties of four species from Puya and provide tools that allow the ex situ conservation of this and other closely related species. These species are distributed in Páramo, a threatened ecosystem despite of its value as a water reservoir and supplier for urban population. Seed morphological variables and moisture content (MC) were measured before a test of germination was conducted with three different moisture contents (fresh seeds, 10–12 % and 3–5 %). Germination percentage and the mean germination time were evaluated. The germination was above 80 % in all the species with no significant differences when decreasing MC. There were no significant differences in mean germination time. Seed viability for the four species was high, as compared to other Páramo species. The results indicate that all species are orthodox. Therefore, this genus has great potential to be conserved in seed banks, which will contribute to diversity conservation of native species from tropical Andean highlands, and can be implemented in germination protocols for their propagation and reintroduction in restoration programs.La conservación ex situ de semillas es una de las formas más efectivas de preservación de la biodiversidad y especialmente de la diversidad genética. En el marco del cambio climático su aplicación es una estrategia importante que se debe fortalecer e integrar con la conservación in situ. El objetivo del presente trabajo fue estudiar la tolerancia a la desecación y la germinación de cuatro especies del género Puya y proporcionar herramientas para su conservación ex situ. Estas especies están distribuidas en el páramo, un ecosistema amenazado a pesar de su valor como reservorio y proveedor de agua para la población urbana. En las semillas se realizó la toma de medidas morfológicas y del contenido de humedad (CH), se realizaron ensayos de germinación en tres contenidos de humedad (semillas frescas, 10–12 % y 3–5 %) y se evaluó el porcentaje de germinación y tiempo medio de germinación. Se registró una germinación superior al 80 % en las cuatro especies y no se encontraron diferencias significativas al disminuir el CH. El tiempo medio de germinación no varió entre especies y la viabilidad fue alta comparada con otras especies de páramo. Los resultados indican que son semillas ortodoxas y las variables morfológicas apoyan esta tendencia. Por tanto, este género presenta un gran potencial para ser conservado en bancos de germoplasma lo que contribuye a la conservación de su diversidad, con las cuales se pueden implementar protocolos de germinación para la propagación y reintroducción en programas de restauración.application/pdfspaUniversidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Instituto de Ciencias Naturaleshttps://revistas.unal.edu.co/index.php/cal/article/view/67740Universidad Nacional de Colombia Revistas electrónicas UN CaldasiaCaldasiaCalderón-Hernández, Manuela and Pérez-Martínez, Laura Victoria (2018) Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from Colombia. Caldasia, 40 (1). pp. 177-187. ISSN 2357-37595 Ciencias naturales y matemáticas / Science57 Ciencias de la vida; Biología / Life sciences; biologyAndesex situ conservationorthodox seedsPáramoseed storage.Almacenamiento de semillasAndesconservación ex situpáramosemillas ortodoxas.Seed desiccation tolerance and germination of four Puya (Bromeliaceae) high-andean tropical species from ColombiaArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTORIGINAL67740-384056-3-PB.pdfapplication/pdf1494503https://repositorio.unal.edu.co/bitstream/unal/68382/1/67740-384056-3-PB.pdf8b589783af866ab7e8c89af55572f666MD51THUMBNAIL67740-384056-3-PB.pdf.jpg67740-384056-3-PB.pdf.jpgGenerated Thumbnailimage/jpeg8042https://repositorio.unal.edu.co/bitstream/unal/68382/2/67740-384056-3-PB.pdf.jpgaacc235448b4abecf3559c4c17e422bbMD52unal/68382oai:repositorio.unal.edu.co:unal/683822024-05-26 23:10:16.695Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co