Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Journal of Seed Science |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372020000100118 |
Resumo: | Abstract: Dormancy is a physiological process that allows seeds to survive in unfavorable environments by preventing their germination. For a large number of species, seed desiccation at the end of maturation is common, and for some of these seeds, this includes seed coat water impermeability (SCWI). The environmental conditions in which the mother plant develops affect the seed maturation process, causing variations in both seed physiological quality and the onset of physical dormancy. In this study, we analyzed the induction of SCWI in immature seeds of Erythrina speciosa by artificial drying. Seeds at three stages of immaturity were dried gradually for subsequent evaluation of their germination. At each level of drying, the anatomical structure of the seed coat was also analyzed. Artificial drying was able to induce SCWI in immature seeds. Furthermore, environmental conditions affected at which stage of maturity SCWI began, and they affected development of desiccation tolerance. However, unlike other species, there were no anatomical differences related to this SCWI (whether by natural drying or artificial drying) and, therefore, in E. speciosa seeds, SCWI may be related to biochemical differences in the seed coat. |
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Induction of seed coat water impermeability during maturation of Erythrina speciosa seedsdormancydryingdesiccation tolerancetropical tree speciesAbstract: Dormancy is a physiological process that allows seeds to survive in unfavorable environments by preventing their germination. For a large number of species, seed desiccation at the end of maturation is common, and for some of these seeds, this includes seed coat water impermeability (SCWI). The environmental conditions in which the mother plant develops affect the seed maturation process, causing variations in both seed physiological quality and the onset of physical dormancy. In this study, we analyzed the induction of SCWI in immature seeds of Erythrina speciosa by artificial drying. Seeds at three stages of immaturity were dried gradually for subsequent evaluation of their germination. At each level of drying, the anatomical structure of the seed coat was also analyzed. Artificial drying was able to induce SCWI in immature seeds. Furthermore, environmental conditions affected at which stage of maturity SCWI began, and they affected development of desiccation tolerance. However, unlike other species, there were no anatomical differences related to this SCWI (whether by natural drying or artificial drying) and, therefore, in E. speciosa seeds, SCWI may be related to biochemical differences in the seed coat.ABRATES - Associação Brasileira de Tecnologia de Sementes2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372020000100118Journal of Seed Science v.42 2020reponame:Journal of Seed Scienceinstname:Associação Brasileira de Tecnologia de Sementes (ABRATES)instacron:ABRATES10.1590/2317-1545v42228614info:eu-repo/semantics/openAccessMolizane,Debora ManzanoCarmello-Guerreiro,Sandra MariaBarbedo,Claudio Joséeng2020-06-11T00:00:00Zoai:scielo:S2317-15372020000100118Revistahttp://www.scielo.br/scielo.php?script=sci_serial&pid=2317-1537&lng=en&nrm=isohttps://old.scielo.br/oai/scielo-oai.php||abrates@abrates.org.br2317-15452317-1537opendoar:2020-06-11T00:00Journal of Seed Science - Associação Brasileira de Tecnologia de Sementes (ABRATES)false |
dc.title.none.fl_str_mv |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds |
title |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds |
spellingShingle |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds Molizane,Debora Manzano dormancy drying desiccation tolerance tropical tree species |
title_short |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds |
title_full |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds |
title_fullStr |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds |
title_full_unstemmed |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds |
title_sort |
Induction of seed coat water impermeability during maturation of Erythrina speciosa seeds |
author |
Molizane,Debora Manzano |
author_facet |
Molizane,Debora Manzano Carmello-Guerreiro,Sandra Maria Barbedo,Claudio José |
author_role |
author |
author2 |
Carmello-Guerreiro,Sandra Maria Barbedo,Claudio José |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Molizane,Debora Manzano Carmello-Guerreiro,Sandra Maria Barbedo,Claudio José |
dc.subject.por.fl_str_mv |
dormancy drying desiccation tolerance tropical tree species |
topic |
dormancy drying desiccation tolerance tropical tree species |
description |
Abstract: Dormancy is a physiological process that allows seeds to survive in unfavorable environments by preventing their germination. For a large number of species, seed desiccation at the end of maturation is common, and for some of these seeds, this includes seed coat water impermeability (SCWI). The environmental conditions in which the mother plant develops affect the seed maturation process, causing variations in both seed physiological quality and the onset of physical dormancy. In this study, we analyzed the induction of SCWI in immature seeds of Erythrina speciosa by artificial drying. Seeds at three stages of immaturity were dried gradually for subsequent evaluation of their germination. At each level of drying, the anatomical structure of the seed coat was also analyzed. Artificial drying was able to induce SCWI in immature seeds. Furthermore, environmental conditions affected at which stage of maturity SCWI began, and they affected development of desiccation tolerance. However, unlike other species, there were no anatomical differences related to this SCWI (whether by natural drying or artificial drying) and, therefore, in E. speciosa seeds, SCWI may be related to biochemical differences in the seed coat. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372020000100118 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372020000100118 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/2317-1545v42228614 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
ABRATES - Associação Brasileira de Tecnologia de Sementes |
publisher.none.fl_str_mv |
ABRATES - Associação Brasileira de Tecnologia de Sementes |
dc.source.none.fl_str_mv |
Journal of Seed Science v.42 2020 reponame:Journal of Seed Science instname:Associação Brasileira de Tecnologia de Sementes (ABRATES) instacron:ABRATES |
instname_str |
Associação Brasileira de Tecnologia de Sementes (ABRATES) |
instacron_str |
ABRATES |
institution |
ABRATES |
reponame_str |
Journal of Seed Science |
collection |
Journal of Seed Science |
repository.name.fl_str_mv |
Journal of Seed Science - Associação Brasileira de Tecnologia de Sementes (ABRATES) |
repository.mail.fl_str_mv |
||abrates@abrates.org.br |
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1754212982952296448 |