Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations

Detalhes bibliográficos
Autor(a) principal: Rezvani,Mohammad
Data de Publicação: 2017
Outros Autores: Zaefarian,Faezeh
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Acta Botanica Brasilica
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000200220
Resumo: ABSTRACT The effects of alternating and constant temperatures and light regimes, osmotic and salt stress and pH were tested on seed germination in four populations of Eryngium caeruleum. Laboratory experiments revealed that the four populations exhibited different responses to alternating temperature and light conditions. Alternating temperature and photoperiod had a greater positive effect on seed germination compared to complete darkness. The optimal constant temperature within 10 ºC to 15 ºC for seed germination of each population was determined in a light/dark photoperiod. Seed germination severely decreased under water stress and was completely inhibited at -0.8 MPa osmotic potential. Saline stress sharply decreased germination percentage. Germination was restricted by pH lower and higher than 5 and 8, respectively. The information obtained from this study helps to fill the gap of knowledge about seed germination requirements of E. caeruleum and enhance our understanding of this species distribution and its potential to develop in stressful and/or new habitats.
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spelling Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populationsalternating and constant temperaturesgerminationlightpHsalt and osmotic stressABSTRACT The effects of alternating and constant temperatures and light regimes, osmotic and salt stress and pH were tested on seed germination in four populations of Eryngium caeruleum. Laboratory experiments revealed that the four populations exhibited different responses to alternating temperature and light conditions. Alternating temperature and photoperiod had a greater positive effect on seed germination compared to complete darkness. The optimal constant temperature within 10 ºC to 15 ºC for seed germination of each population was determined in a light/dark photoperiod. Seed germination severely decreased under water stress and was completely inhibited at -0.8 MPa osmotic potential. Saline stress sharply decreased germination percentage. Germination was restricted by pH lower and higher than 5 and 8, respectively. The information obtained from this study helps to fill the gap of knowledge about seed germination requirements of E. caeruleum and enhance our understanding of this species distribution and its potential to develop in stressful and/or new habitats.Sociedade Botânica do Brasil2017-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000200220Acta Botanica Brasilica v.31 n.2 2017reponame:Acta Botanica Brasilicainstname:Sociedade Botânica do Brasil (SBB)instacron:SBB10.1590/0102-33062017abb0001info:eu-repo/semantics/openAccessRezvani,MohammadZaefarian,Faezeheng2017-05-25T00:00:00Zoai:scielo:S0102-33062017000200220Revistahttps://www.scielo.br/j/abb/ONGhttps://old.scielo.br/oai/scielo-oai.phpacta@botanica.org.br||acta@botanica.org.br|| f.a.r.santos@gmail.com1677-941X0102-3306opendoar:2017-05-25T00:00Acta Botanica Brasilica - Sociedade Botânica do Brasil (SBB)false
dc.title.none.fl_str_mv Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
title Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
spellingShingle Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
Rezvani,Mohammad
alternating and constant temperatures
germination
light
pH
salt and osmotic stress
title_short Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
title_full Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
title_fullStr Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
title_full_unstemmed Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
title_sort Effect of some environmental factors on seed germination of Eryngium caeruleum M. Bieb. populations
author Rezvani,Mohammad
author_facet Rezvani,Mohammad
Zaefarian,Faezeh
author_role author
author2 Zaefarian,Faezeh
author2_role author
dc.contributor.author.fl_str_mv Rezvani,Mohammad
Zaefarian,Faezeh
dc.subject.por.fl_str_mv alternating and constant temperatures
germination
light
pH
salt and osmotic stress
topic alternating and constant temperatures
germination
light
pH
salt and osmotic stress
description ABSTRACT The effects of alternating and constant temperatures and light regimes, osmotic and salt stress and pH were tested on seed germination in four populations of Eryngium caeruleum. Laboratory experiments revealed that the four populations exhibited different responses to alternating temperature and light conditions. Alternating temperature and photoperiod had a greater positive effect on seed germination compared to complete darkness. The optimal constant temperature within 10 ºC to 15 ºC for seed germination of each population was determined in a light/dark photoperiod. Seed germination severely decreased under water stress and was completely inhibited at -0.8 MPa osmotic potential. Saline stress sharply decreased germination percentage. Germination was restricted by pH lower and higher than 5 and 8, respectively. The information obtained from this study helps to fill the gap of knowledge about seed germination requirements of E. caeruleum and enhance our understanding of this species distribution and its potential to develop in stressful and/or new habitats.
publishDate 2017
dc.date.none.fl_str_mv 2017-06-01
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=S0102-33062017000200220
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000200220
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/0102-33062017abb0001
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 Sociedade Botânica do Brasil
publisher.none.fl_str_mv Sociedade Botânica do Brasil
dc.source.none.fl_str_mv Acta Botanica Brasilica v.31 n.2 2017
reponame:Acta Botanica Brasilica
instname:Sociedade Botânica do Brasil (SBB)
instacron:SBB
instname_str Sociedade Botânica do Brasil (SBB)
instacron_str SBB
institution SBB
reponame_str Acta Botanica Brasilica
collection Acta Botanica Brasilica
repository.name.fl_str_mv Acta Botanica Brasilica - Sociedade Botânica do Brasil (SBB)
repository.mail.fl_str_mv acta@botanica.org.br||acta@botanica.org.br|| f.a.r.santos@gmail.com
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