Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination

Detalhes bibliográficos
Autor(a) principal: Hengling, Mariane M.
Data de Publicação: 2020
Outros Autores: Gianeti, Thiago M. R. [UNESP], Hosomi, Silvério T., Machado-Neto, Nelson B., Custódio, Ceci C.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1080/11263504.2020.1762781
http://hdl.handle.net/11449/200641
Resumo: The establishment of seed banks is essential for the conservation of cultivated and wild plant species. Cattleya species are economically important, but many of them are at risk of extinction. In this study, we aimed to evaluate the effects of storage temperature on the physiological quality of seeds of seven congeneric species of diverse biomes from the UNOESTE-OSSSU seed bank and the lipid composition. Seeds were split into sub samples, pre-conditioned to 0.03 g H2O g DW−1 for a week over a supersaturated solution of lithium chloride at 23 ± 2 °C and maintained in rubber-sealed vessels for nine months under four storage temperatures: room temperature (23 ± 2 °C), 5 °C, –18 °C and –196 °C. Germination, the germination speed index, and viability based on a tetrazolium test were evaluated at three-month intervals. Lipid profiles were determined by GC-MS in the original seed lots. Different lipid profiles were found among species. Orchid seeds with a low water content could be stored for a short period in all conditions studied and were considered orthodox short-lived seeds. Cattleya rupestris seeds were more tolerant than the congeners to deterioration under all the storage conditions.
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spelling Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germinationCattleyaGerminationOrchidaceaetetrazoliumvigourThe establishment of seed banks is essential for the conservation of cultivated and wild plant species. Cattleya species are economically important, but many of them are at risk of extinction. In this study, we aimed to evaluate the effects of storage temperature on the physiological quality of seeds of seven congeneric species of diverse biomes from the UNOESTE-OSSSU seed bank and the lipid composition. Seeds were split into sub samples, pre-conditioned to 0.03 g H2O g DW−1 for a week over a supersaturated solution of lithium chloride at 23 ± 2 °C and maintained in rubber-sealed vessels for nine months under four storage temperatures: room temperature (23 ± 2 °C), 5 °C, –18 °C and –196 °C. Germination, the germination speed index, and viability based on a tetrazolium test were evaluated at three-month intervals. Lipid profiles were determined by GC-MS in the original seed lots. Different lipid profiles were found among species. Orchid seeds with a low water content could be stored for a short period in all conditions studied and were considered orthodox short-lived seeds. Cattleya rupestris seeds were more tolerant than the congeners to deterioration under all the storage conditions.Biology College UNOESTE Campus IIDepartamento de Química Analítica UNESP Instituto de Química de Araraquara IQAr, Bairro dos Machados, AraraquaraAgronomy College UNOESTE Campus IIDepartamento de Química Analítica UNESP Instituto de Química de Araraquara IQAr, Bairro dos Machados, AraraquaraUNOESTE Campus IIUniversidade Estadual Paulista (Unesp)Hengling, Mariane M.Gianeti, Thiago M. R. [UNESP]Hosomi, Silvério T.Machado-Neto, Nelson B.Custódio, Ceci C.2020-12-12T02:12:07Z2020-12-12T02:12:07Z2020-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1080/11263504.2020.1762781Plant Biosystems.1724-55751126-3504http://hdl.handle.net/11449/20064110.1080/11263504.2020.17627812-s2.0-85086937652Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPlant Biosystemsinfo:eu-repo/semantics/openAccess2021-10-23T14:54:10Zoai:repositorio.unesp.br:11449/200641Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T14:55:33.971522Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
title Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
spellingShingle Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
Hengling, Mariane M.
Cattleya
Germination
Orchidaceae
tetrazolium
vigour
title_short Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
title_full Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
title_fullStr Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
title_full_unstemmed Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
title_sort Storage of Brazilian Cattleya seeds from diverse biomes: lipid composition and effects on germination
author Hengling, Mariane M.
author_facet Hengling, Mariane M.
Gianeti, Thiago M. R. [UNESP]
Hosomi, Silvério T.
Machado-Neto, Nelson B.
Custódio, Ceci C.
author_role author
author2 Gianeti, Thiago M. R. [UNESP]
Hosomi, Silvério T.
Machado-Neto, Nelson B.
Custódio, Ceci C.
author2_role author
author
author
author
dc.contributor.none.fl_str_mv UNOESTE Campus II
Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Hengling, Mariane M.
Gianeti, Thiago M. R. [UNESP]
Hosomi, Silvério T.
Machado-Neto, Nelson B.
Custódio, Ceci C.
dc.subject.por.fl_str_mv Cattleya
Germination
Orchidaceae
tetrazolium
vigour
topic Cattleya
Germination
Orchidaceae
tetrazolium
vigour
description The establishment of seed banks is essential for the conservation of cultivated and wild plant species. Cattleya species are economically important, but many of them are at risk of extinction. In this study, we aimed to evaluate the effects of storage temperature on the physiological quality of seeds of seven congeneric species of diverse biomes from the UNOESTE-OSSSU seed bank and the lipid composition. Seeds were split into sub samples, pre-conditioned to 0.03 g H2O g DW−1 for a week over a supersaturated solution of lithium chloride at 23 ± 2 °C and maintained in rubber-sealed vessels for nine months under four storage temperatures: room temperature (23 ± 2 °C), 5 °C, –18 °C and –196 °C. Germination, the germination speed index, and viability based on a tetrazolium test were evaluated at three-month intervals. Lipid profiles were determined by GC-MS in the original seed lots. Different lipid profiles were found among species. Orchid seeds with a low water content could be stored for a short period in all conditions studied and were considered orthodox short-lived seeds. Cattleya rupestris seeds were more tolerant than the congeners to deterioration under all the storage conditions.
publishDate 2020
dc.date.none.fl_str_mv 2020-12-12T02:12:07Z
2020-12-12T02:12:07Z
2020-01-01
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1080/11263504.2020.1762781
Plant Biosystems.
1724-5575
1126-3504
http://hdl.handle.net/11449/200641
10.1080/11263504.2020.1762781
2-s2.0-85086937652
url http://dx.doi.org/10.1080/11263504.2020.1762781
http://hdl.handle.net/11449/200641
identifier_str_mv Plant Biosystems.
1724-5575
1126-3504
10.1080/11263504.2020.1762781
2-s2.0-85086937652
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Plant Biosystems
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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