Effect of temperature on the germination of Cistus ladanifer L.
Autor(a) principal: | |
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Data de Publicação: | 1996 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10174/12032 |
Resumo: | In previous laboratory studies involving heat treatments Cistus ladanifer had the highest promotion of germination at 90 ºC, but water uptake by seeds due to seed coat rupture by heat could not account for the observed results. To investigate the hypothesis that increases in soil temperature resulting from the elimination of leaf canopy by previous fires might play a role in C. ladanifer fire-ecology, seeds of this species were incubated at constant and alternate temperatures. Lag and final germination are generally improved in a way consistent with the hypothesis under investigation. However, the stimulating effect is not great enough to account for the values of lag and final germination directly attributable to fire, and other explanations for the stimulus of C. ladanifer germination must be considered and investigated. |
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Effect of temperature on the germination of Cistus ladanifer L.GerminationFireCistus ladaniferIn previous laboratory studies involving heat treatments Cistus ladanifer had the highest promotion of germination at 90 ºC, but water uptake by seeds due to seed coat rupture by heat could not account for the observed results. To investigate the hypothesis that increases in soil temperature resulting from the elimination of leaf canopy by previous fires might play a role in C. ladanifer fire-ecology, seeds of this species were incubated at constant and alternate temperatures. Lag and final germination are generally improved in a way consistent with the hypothesis under investigation. However, the stimulating effect is not great enough to account for the values of lag and final germination directly attributable to fire, and other explanations for the stimulus of C. ladanifer germination must be considered and investigated.2014-12-23T12:17:16Z2014-12-231996-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10174/12032http://hdl.handle.net/10174/12032engDias AS, Dias LS, Pereira IP 1996. Effect of temperature on the germination of Cistus ladanifer L. Actas I Colóquio Internacional de Ecologia da Vegetação: 425-431.ICAAMalxandra@uevora.ptndipp@uevora.pt363Dias, A.S.Dias, L.S.Pereira, I.P.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-08T04:06:53ZPortal AgregadorONG |
dc.title.none.fl_str_mv |
Effect of temperature on the germination of Cistus ladanifer L. |
title |
Effect of temperature on the germination of Cistus ladanifer L. |
spellingShingle |
Effect of temperature on the germination of Cistus ladanifer L. Dias, A.S. Germination Fire Cistus ladanifer |
title_short |
Effect of temperature on the germination of Cistus ladanifer L. |
title_full |
Effect of temperature on the germination of Cistus ladanifer L. |
title_fullStr |
Effect of temperature on the germination of Cistus ladanifer L. |
title_full_unstemmed |
Effect of temperature on the germination of Cistus ladanifer L. |
title_sort |
Effect of temperature on the germination of Cistus ladanifer L. |
author |
Dias, A.S. |
author_facet |
Dias, A.S. Dias, L.S. Pereira, I.P. |
author_role |
author |
author2 |
Dias, L.S. Pereira, I.P. |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Dias, A.S. Dias, L.S. Pereira, I.P. |
dc.subject.por.fl_str_mv |
Germination Fire Cistus ladanifer |
topic |
Germination Fire Cistus ladanifer |
description |
In previous laboratory studies involving heat treatments Cistus ladanifer had the highest promotion of germination at 90 ºC, but water uptake by seeds due to seed coat rupture by heat could not account for the observed results. To investigate the hypothesis that increases in soil temperature resulting from the elimination of leaf canopy by previous fires might play a role in C. ladanifer fire-ecology, seeds of this species were incubated at constant and alternate temperatures. Lag and final germination are generally improved in a way consistent with the hypothesis under investigation. However, the stimulating effect is not great enough to account for the values of lag and final germination directly attributable to fire, and other explanations for the stimulus of C. ladanifer germination must be considered and investigated. |
publishDate |
1996 |
dc.date.none.fl_str_mv |
1996-01-01T00:00:00Z 2014-12-23T12:17:16Z 2014-12-23 |
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://hdl.handle.net/10174/12032 http://hdl.handle.net/10174/12032 |
url |
http://hdl.handle.net/10174/12032 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Dias AS, Dias LS, Pereira IP 1996. Effect of temperature on the germination of Cistus ladanifer L. Actas I Colóquio Internacional de Ecologia da Vegetação: 425-431. ICAAM alxandra@uevora.pt nd ipp@uevora.pt 363 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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repository.mail.fl_str_mv |
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1777304598137012224 |