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dc.contributor.author
Urtasun, María Manuela
dc.contributor.author
Giamminola, Eugenia Mabel
dc.contributor.author
Baskin, Carol Caudle
dc.contributor.author
de Viana, Marta Leonor
dc.contributor.author
Morandini, Marcelo Nahuel
dc.contributor.author
Lamas, Carola Yanina
dc.contributor.author
Rojas, Fernanda Macarena
dc.date.available
2021-03-10T19:20:26Z
dc.date.issued
2020-03-15
dc.identifier.citation
Urtasun, María Manuela; Giamminola, Eugenia Mabel; Baskin, Carol Caudle; de Viana, Marta Leonor; Morandini, Marcelo Nahuel; et al.; Dormancy release, germination and ex situ conservation of the southern highland papaya (Vasconcellea quercifolia, Caricaceae), a wild crop relative; Elsevier Science; Scientia Horticulturae; 263; 109134; 15-3-2020; 1-18
dc.identifier.issn
0304-4238
dc.identifier.uri
http://hdl.handle.net/11336/128005
dc.description.abstract
The genetic traits of wild species closely related to crop plants provide opportunities for increased crop production and food security in the face of global climate change. Highland papayas, Vasconcellea spp., have valuable traits for the improvement of common papaya. Vasconcellea quercifolia is the only species of the genus that inhabits both the Andean lowlands and highlands, and it has been proposed as the best option for intergenic hybrids. However, limited information is available on seed dormancy release, germination and ex situ conservation of species belonging to this genus. We investigated the effects of desiccation and storage, in combination with seven pre-germination treatments, on dormancy release and viability of seeds from five wild populations of V. quercifolia along a latitudinal gradient in NW Argentina. Effectiveness of pre-germination treatments on dormancy release increased concomitantly with a decrease in seed moisture content (MC). Ultra-dry (<3 % MC) in combination with potassium nitrate treatment, as well as dry (3–5 % MC) storage at 25 °C consistently alleviated seed dormancy. In general, desiccation and dry storage for 6 months at different temperatures did not affect seed viability; however, there were population differences in the ability of seeds to remain viable. Our data demonstrate the central role of seed MC in the alleviation of V. quercifolia seed dormancy and provide new insights into the conditions required for short- to medium-term ex situ conservation.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AFTER-RIPENING
dc.subject
CARICA PAPAYA
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DESICCATION TOLERANCE
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DRY STORAGE
dc.subject
NON-DEEP PHYSIOLOGICAL DORMANCY
dc.subject.classification
Conservación de la Biodiversidad
dc.subject.classification
Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Dormancy release, germination and ex situ conservation of the southern highland papaya (Vasconcellea quercifolia, Caricaceae), a wild crop relative
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-03-05T18:33:13Z
dc.journal.volume
263
dc.journal.number
109134
dc.journal.pagination
1-18
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Urtasun, María Manuela. Universidad Nacional de Salta. Facultad de Cs.naturales. Instituto de Ecología y Ambinete Humano; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta; Argentina
dc.description.fil
Fil: Giamminola, Eugenia Mabel. Universidad Nacional de Salta. Facultad de Cs.naturales. Instituto de Ecología y Ambinete Humano; Argentina
dc.description.fil
Fil: Baskin, Carol Caudle. University of Kentucky; Estados Unidos
dc.description.fil
Fil: de Viana, Marta Leonor. Universidad Nacional de Salta. Facultad de Cs.naturales. Instituto de Ecología y Ambinete Humano; Argentina
dc.description.fil
Fil: Morandini, Marcelo Nahuel. Universidad Nacional de Salta. Facultad de Cs.naturales. Instituto de Ecología y Ambinete Humano; Argentina
dc.description.fil
Fil: Lamas, Carola Yanina. Universidad Nacional de Salta. Facultad de Cs.naturales. Instituto de Ecología y Ambinete Humano; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta; Argentina
dc.description.fil
Fil: Rojas, Fernanda Macarena. Universidad Nacional de Salta. Facultad de Cs.naturales. Instituto de Ecología y Ambinete Humano; Argentina
dc.journal.title
Scientia Horticulturae
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0304423819310209?via%3Dihub
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.scienta.2019.109134
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