Seed germination of Opuntia species from an aridity gradient in Central Mexico

"In the Mexican highlands there are several aridity gradients affecting Opuntia species composition and its biological function. Since environmental variations can affect plant traits like seed morphology as well as related processes, we conducted experiments in order to determine whether seed...

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Detalles Bibliográficos
Autores: JOSE LUIS FLORES FLORES, JOEL DAVID FLORES RIVAS, GREGORIO ALVAREZ FUENTES
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2010
País:México
Institución:Instituto Potosino de Investigación Científica y Tecnológica
Repositorio:Repositorio Institucional del IPICYT
Idioma:inglés
OAI Identifier:oai:ipicyt.repositorioinstitucional.mx:1010/1167
Acceso en línea:http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/1167
Access Level:acceso abierto
Palabra clave:info:eu-repo/classification/Autor/Opuntia
info:eu-repo/classification/Autor/Testa hardness
info:eu-repo/classification/Autor/Imbibition
info:eu-repo/classification/Autor/Dormancy type
info:eu-repo/classification/Autor/Polyembriony
info:eu-repo/classification/Autor/Seed germination
info:eu-repo/classification/cti/6
id MX_459641969ff32bebbd77e351908df578
oai_identifier_str oai:ipicyt.repositorioinstitucional.mx:1010/1167
network_acronym_str MX
network_name_str México
repository_id_str
spelling Seed germination of Opuntia species from an aridity gradient in Central MexicoJOSE LUIS FLORES FLORESJOEL DAVID FLORES RIVASGREGORIO ALVAREZ FUENTESinfo:eu-repo/classification/Autor/Opuntiainfo:eu-repo/classification/Autor/Testa hardnessinfo:eu-repo/classification/Autor/Imbibitioninfo:eu-repo/classification/Autor/Dormancy typeinfo:eu-repo/classification/Autor/Polyembrionyinfo:eu-repo/classification/Autor/Seed germinationinfo:eu-repo/classification/cti/6info:eu-repo/classification/cti/6"In the Mexican highlands there are several aridity gradients affecting Opuntia species composition and its biological function. Since environmental variations can affect plant traits like seed morphology as well as related processes, we conducted experiments in order to determine whether seed mass, testa hardness, seed imbibition, dormancy type, polyembryony occurrence, and different habitats are related with interspecific variation of seed germination in Opuntia spp. Our results showed that there were interspecific differences of seed attributes among seven Opuntia species along an environmental gradient in Central Mexico. Seeds of most species were able to imbibe water; however, mechanical scarification treatment did not break seed dormancy, but promoted faster germination. This pattern might be a result of the testa porosity. Seed hardness was negatively correlated with seed germination in Opuntia jaliscana; thus harder seeds had lower germination percentage. In contrast, seeds of O. robusta increased their germination percentage as seed hardness increased. We found differences in seed mass among species and localities; seeds collected in moist areas were heavier. There was evidenced a correlation of seed mass with seed germination for O. jaliscana. Polyembryony was present in four of the seven species studied and it appears to be more frequent in seeds from dry sites of the gradient."Professional Association for Cactus Development2010info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/1167reponame:Repositorio Institucional del IPICYTinstname:Instituto Potosino de Investigación Científica y Tecnológicainstacron:IPICYTenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0oai:ipicyt.repositorioinstitucional.mx:1010/11672024-08-28T03:17:36Z
dc.title.none.fl_str_mv Seed germination of Opuntia species from an aridity gradient in Central Mexico
title Seed germination of Opuntia species from an aridity gradient in Central Mexico
spellingShingle Seed germination of Opuntia species from an aridity gradient in Central Mexico
JOSE LUIS FLORES FLORES
info:eu-repo/classification/Autor/Opuntia
info:eu-repo/classification/Autor/Testa hardness
info:eu-repo/classification/Autor/Imbibition
info:eu-repo/classification/Autor/Dormancy type
info:eu-repo/classification/Autor/Polyembriony
info:eu-repo/classification/Autor/Seed germination
info:eu-repo/classification/cti/6
info:eu-repo/classification/cti/6
title_short Seed germination of Opuntia species from an aridity gradient in Central Mexico
title_full Seed germination of Opuntia species from an aridity gradient in Central Mexico
title_fullStr Seed germination of Opuntia species from an aridity gradient in Central Mexico
title_full_unstemmed Seed germination of Opuntia species from an aridity gradient in Central Mexico
title_sort Seed germination of Opuntia species from an aridity gradient in Central Mexico
dc.creator.none.fl_str_mv JOSE LUIS FLORES FLORES
JOEL DAVID FLORES RIVAS
GREGORIO ALVAREZ FUENTES
author JOSE LUIS FLORES FLORES
author_facet JOSE LUIS FLORES FLORES
JOEL DAVID FLORES RIVAS
GREGORIO ALVAREZ FUENTES
author_role author
author2 JOEL DAVID FLORES RIVAS
GREGORIO ALVAREZ FUENTES
author2_role author
author
dc.subject.none.fl_str_mv info:eu-repo/classification/Autor/Opuntia
info:eu-repo/classification/Autor/Testa hardness
info:eu-repo/classification/Autor/Imbibition
info:eu-repo/classification/Autor/Dormancy type
info:eu-repo/classification/Autor/Polyembriony
info:eu-repo/classification/Autor/Seed germination
info:eu-repo/classification/cti/6
info:eu-repo/classification/cti/6
topic info:eu-repo/classification/Autor/Opuntia
info:eu-repo/classification/Autor/Testa hardness
info:eu-repo/classification/Autor/Imbibition
info:eu-repo/classification/Autor/Dormancy type
info:eu-repo/classification/Autor/Polyembriony
info:eu-repo/classification/Autor/Seed germination
info:eu-repo/classification/cti/6
info:eu-repo/classification/cti/6
description "In the Mexican highlands there are several aridity gradients affecting Opuntia species composition and its biological function. Since environmental variations can affect plant traits like seed morphology as well as related processes, we conducted experiments in order to determine whether seed mass, testa hardness, seed imbibition, dormancy type, polyembryony occurrence, and different habitats are related with interspecific variation of seed germination in Opuntia spp. Our results showed that there were interspecific differences of seed attributes among seven Opuntia species along an environmental gradient in Central Mexico. Seeds of most species were able to imbibe water; however, mechanical scarification treatment did not break seed dormancy, but promoted faster germination. This pattern might be a result of the testa porosity. Seed hardness was negatively correlated with seed germination in Opuntia jaliscana; thus harder seeds had lower germination percentage. In contrast, seeds of O. robusta increased their germination percentage as seed hardness increased. We found differences in seed mass among species and localities; seeds collected in moist areas were heavier. There was evidenced a correlation of seed mass with seed germination for O. jaliscana. Polyembryony was present in four of the seven species studied and it appears to be more frequent in seeds from dry sites of the gradient."
publishDate 2010
dc.date.none.fl_str_mv 2010
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/1167
url http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/1167
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Professional Association for Cactus Development
publisher.none.fl_str_mv Professional Association for Cactus Development
dc.source.none.fl_str_mv reponame:Repositorio Institucional del IPICYT
instname:Instituto Potosino de Investigación Científica y Tecnológica
instacron:IPICYT
instname_str Instituto Potosino de Investigación Científica y Tecnológica
instacron_str IPICYT
institution IPICYT
reponame_str Repositorio Institucional del IPICYT
collection Repositorio Institucional del IPICYT
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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