Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae)
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.17660/ActaHortic.2016.1125.33 http://hdl.handle.net/11449/159648 |
Resumo: | Baccharis dracunculifolia, a Brazilian native plant, is an economically important species, as it is the main botanical source of southeastern Brazilian propolis, known as green propolis. We examined the germination rate of B. dracunculifolia seeds that were newly collected, submitted to medium-term storage conditions (6 degrees C, original moisture content), or to long-term storage conditions (-20 degrees C, moisture content reduced to 3%) to verify the viability of its genetic conservation in seed bank. The seeds were germinated in controlled conditions (paper with nystatin 500 UI L-1, 20 degrees C, 12-h photoperiod) and in seedling substrate (at greenhouse) in four replicates of 25 seeds each. The germination rate of newly collected seeds was 50% and the highest rate found was 68% after nine months of medium-term storage conditions. Seeds subjected to long-term storage conditions showed 49% germination rate, statistically equal to the newly collected seeds rate (p <= 0.05). In order to allow conservation of the B. dracunculifolia seeds' characteristics, which in turn enables greater production of green propolis, understanding medium and long-term storage is key. This is also vital for preserving seedlings for reforestation. |
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Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae)medicinal plantaromatic plantgreen propolisseed storagegermplasm bankorthodoxBaccharis dracunculifoliaBaccharis dracunculifolia, a Brazilian native plant, is an economically important species, as it is the main botanical source of southeastern Brazilian propolis, known as green propolis. We examined the germination rate of B. dracunculifolia seeds that were newly collected, submitted to medium-term storage conditions (6 degrees C, original moisture content), or to long-term storage conditions (-20 degrees C, moisture content reduced to 3%) to verify the viability of its genetic conservation in seed bank. The seeds were germinated in controlled conditions (paper with nystatin 500 UI L-1, 20 degrees C, 12-h photoperiod) and in seedling substrate (at greenhouse) in four replicates of 25 seeds each. The germination rate of newly collected seeds was 50% and the highest rate found was 68% after nine months of medium-term storage conditions. Seeds subjected to long-term storage conditions showed 49% germination rate, statistically equal to the newly collected seeds rate (p <= 0.05). In order to allow conservation of the B. dracunculifolia seeds' characteristics, which in turn enables greater production of green propolis, understanding medium and long-term storage is key. This is also vital for preserving seedlings for reforestation.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Univ Estadual Campinas, Campinas, SP, BrazilUniv Estadual Paulista, Botucatu, SP, BrazilUniv Estadual Paulista, Botucatu, SP, BrazilInt Soc Horticultural ScienceUniversidade Estadual de Campinas (UNICAMP)Universidade Estadual Paulista (Unesp)Santos, C. D. L.Figueira, G. M.Belini, C. M. B. [UNESP]Patil, B.Gafner, S.Craker, L.Mentreddy, SR2018-11-26T15:44:46Z2018-11-26T15:44:46Z2016-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject263-267http://dx.doi.org/10.17660/ActaHortic.2016.1125.33Xxix International Horticultural Congress On Horticulture:sustaining Lives,livelihoods And Landscapes:v World Congress On Medicinal And Aromatic Plants And International Symposium On Plants As Factories Of Natural Substances,edible And Essential Oils. Leuven 1: Int Soc Horticultural Science, v. 1125, p. 263-267, 2016.0567-7572http://hdl.handle.net/11449/15964810.17660/ActaHortic.2016.1125.33WOS:000406634100033Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengXxix International Horticultural Congress On Horticulture:sustaining Lives,livelihoods And Landscapes:v World Congress On Medicinal And Aromatic Plants And International Symposium On Plants As Factories Of Natural Substances,edible And Essential Oils0,198info:eu-repo/semantics/openAccess2021-10-23T21:44:27Zoai:repositorio.unesp.br:11449/159648Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T21:44:27Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) |
title |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) |
spellingShingle |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) Santos, C. D. L. medicinal plant aromatic plant green propolis seed storage germplasm bank orthodox Baccharis dracunculifolia |
title_short |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) |
title_full |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) |
title_fullStr |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) |
title_full_unstemmed |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) |
title_sort |
Seed conservation methods and evaluation of germination rate in Baccharis dracunculifolia DC. (Asteraceae) |
author |
Santos, C. D. L. |
author_facet |
Santos, C. D. L. Figueira, G. M. Belini, C. M. B. [UNESP] Patil, B. Gafner, S. Craker, L. Mentreddy, SR |
author_role |
author |
author2 |
Figueira, G. M. Belini, C. M. B. [UNESP] Patil, B. Gafner, S. Craker, L. Mentreddy, SR |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual de Campinas (UNICAMP) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Santos, C. D. L. Figueira, G. M. Belini, C. M. B. [UNESP] Patil, B. Gafner, S. Craker, L. Mentreddy, SR |
dc.subject.por.fl_str_mv |
medicinal plant aromatic plant green propolis seed storage germplasm bank orthodox Baccharis dracunculifolia |
topic |
medicinal plant aromatic plant green propolis seed storage germplasm bank orthodox Baccharis dracunculifolia |
description |
Baccharis dracunculifolia, a Brazilian native plant, is an economically important species, as it is the main botanical source of southeastern Brazilian propolis, known as green propolis. We examined the germination rate of B. dracunculifolia seeds that were newly collected, submitted to medium-term storage conditions (6 degrees C, original moisture content), or to long-term storage conditions (-20 degrees C, moisture content reduced to 3%) to verify the viability of its genetic conservation in seed bank. The seeds were germinated in controlled conditions (paper with nystatin 500 UI L-1, 20 degrees C, 12-h photoperiod) and in seedling substrate (at greenhouse) in four replicates of 25 seeds each. The germination rate of newly collected seeds was 50% and the highest rate found was 68% after nine months of medium-term storage conditions. Seeds subjected to long-term storage conditions showed 49% germination rate, statistically equal to the newly collected seeds rate (p <= 0.05). In order to allow conservation of the B. dracunculifolia seeds' characteristics, which in turn enables greater production of green propolis, understanding medium and long-term storage is key. This is also vital for preserving seedlings for reforestation. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-01-01 2018-11-26T15:44:46Z 2018-11-26T15:44:46Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.17660/ActaHortic.2016.1125.33 Xxix International Horticultural Congress On Horticulture:sustaining Lives,livelihoods And Landscapes:v World Congress On Medicinal And Aromatic Plants And International Symposium On Plants As Factories Of Natural Substances,edible And Essential Oils. Leuven 1: Int Soc Horticultural Science, v. 1125, p. 263-267, 2016. 0567-7572 http://hdl.handle.net/11449/159648 10.17660/ActaHortic.2016.1125.33 WOS:000406634100033 |
url |
http://dx.doi.org/10.17660/ActaHortic.2016.1125.33 http://hdl.handle.net/11449/159648 |
identifier_str_mv |
Xxix International Horticultural Congress On Horticulture:sustaining Lives,livelihoods And Landscapes:v World Congress On Medicinal And Aromatic Plants And International Symposium On Plants As Factories Of Natural Substances,edible And Essential Oils. Leuven 1: Int Soc Horticultural Science, v. 1125, p. 263-267, 2016. 0567-7572 10.17660/ActaHortic.2016.1125.33 WOS:000406634100033 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Xxix International Horticultural Congress On Horticulture:sustaining Lives,livelihoods And Landscapes:v World Congress On Medicinal And Aromatic Plants And International Symposium On Plants As Factories Of Natural Substances,edible And Essential Oils 0,198 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
263-267 |
dc.publisher.none.fl_str_mv |
Int Soc Horticultural Science |
publisher.none.fl_str_mv |
Int Soc Horticultural Science |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
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Repositório Institucional da UNESP |
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Repositório Institucional da UNESP |
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Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
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1799964463539945472 |