Storage and methods for overcoming dormancy of the coral tree seeds
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/8187 |
Resumo: | The coral tree (Erythrina velutina Willd.) is an arboreal species that occurs in northeast Brazil and is used in popular medicine to fight cough, asthma, oral diseases, nervous breakdowns, muscle aches and fevers. The process of formation of seedlings of the species is difficult because of the occurrence of seed dormancy. The aim of this study was to evaluate the effect of different methods for overcoming dormancy in seeds of the coral tree stored in different conditions and periods. The experimental design was completely randomized in factorial scheme 5 x 2 (methods for overcoming dormancy and storage types), in four replicates of 25 seeds. The methods used were (S1) control, (S2) scarification opposite the micropyle; (S3) by the scarification micropyle; (S4) seeds immersed in water at 80 °C for five minutes and (S5) seeds immersed in water at 100 °C for two minutes. The storage types were for 25 months at cold chamber and for a month at the laboratory environment. The characteristics evaluated were emergence percentage (PE), time of emergence (TM), shoot length (CPA) and root (CR), diameter (D), leaf number (NF), dry biomass of roots (MSPA) and of shoots (MSR) of seedlings. The emergence percentage was low in treatments S1, S4 and S5 and the seeds stored for one month were more affected when immersed in hot water. The highest values of CPA, CR, MSPA and NF treatments were observed in S2 and S3, which occurred in the lowest average time of emergence. The tegument dormancy of seeds of Erythrina velutina is overcome by scarification with sandpaper on the end opposite the micropyle or next to it. The seed dormancy is not affected by the types of storage and is not overcome by immersion in hot water. |
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Semina. Ciências Agrárias (Online) |
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Storage and methods for overcoming dormancy of the coral tree seedsArmazenamento e métodos para a superação da dormência de sementes de mulunguErythrina velutinaGerminationScarificationMedicinal plants.Erythrina velutinaGerminaçãoEscarificaçãoPlantas medicinais.FitotecniaThe coral tree (Erythrina velutina Willd.) is an arboreal species that occurs in northeast Brazil and is used in popular medicine to fight cough, asthma, oral diseases, nervous breakdowns, muscle aches and fevers. The process of formation of seedlings of the species is difficult because of the occurrence of seed dormancy. The aim of this study was to evaluate the effect of different methods for overcoming dormancy in seeds of the coral tree stored in different conditions and periods. The experimental design was completely randomized in factorial scheme 5 x 2 (methods for overcoming dormancy and storage types), in four replicates of 25 seeds. The methods used were (S1) control, (S2) scarification opposite the micropyle; (S3) by the scarification micropyle; (S4) seeds immersed in water at 80 °C for five minutes and (S5) seeds immersed in water at 100 °C for two minutes. The storage types were for 25 months at cold chamber and for a month at the laboratory environment. The characteristics evaluated were emergence percentage (PE), time of emergence (TM), shoot length (CPA) and root (CR), diameter (D), leaf number (NF), dry biomass of roots (MSPA) and of shoots (MSR) of seedlings. The emergence percentage was low in treatments S1, S4 and S5 and the seeds stored for one month were more affected when immersed in hot water. The highest values of CPA, CR, MSPA and NF treatments were observed in S2 and S3, which occurred in the lowest average time of emergence. The tegument dormancy of seeds of Erythrina velutina is overcome by scarification with sandpaper on the end opposite the micropyle or next to it. The seed dormancy is not affected by the types of storage and is not overcome by immersion in hot water.O mulungu (Erythrina velutina Willd.) é uma espécie arbórea que ocorre no Nordeste brasileiro utilizada na medicina popular no combate a tosse, asma, afecções bucais, crises nervosas, dores musculares e febres. O processo de formação de mudas da espécie é dificultado pela ocorrência de dormência tegumentar nas sementes. Assim, o objetivo do presente trabalho foi avaliar o efeito de diferentes métodos para superar a dormência em sementes de mulungu armazenadas em diferentes condições e períodos. O delineamento experimental foi inteiramente casualizado em esquema fatorial 5 x 2 (métodos para superar a dormência e tipos de armazenamento), em quatro repetições de 25 sementes. Os métodos foram (S1) testemunha; (S2) sementes escarificadas do lado oposto à micrópila; (S3) sementes escarificadas junto à micrópila; (S4) sementes imersas em água a 80 °C por cinco minutos e (S5) sementes imersas em água a 100 ºC por dois minutos. Os tipos de armazenamento foram por 25 meses em câmara fria e por um mês em ambiente do Laboratório. As características avaliadas foram porcentagem de emergência de plântulas (PE), tempo médio de emergência (TM), comprimento da parte aérea (CPA) e da raiz (CR), diâmetro do colo (D), número de folhas (NF), biomassa seca das raízes (MSR) e parte aérea das plântulas (MSPA). A porcentagem de emergência foi baixa nos tratamentos S1, S4 e S5 e as sementes armazenadas por apenas um mês foram mais afetadas quando imersas em água quente. Os maiores valores de CPA, CR, MSPA e NF foram observados nos tratamentos S2 e S3, nos quais ocorreu o menor tempo médio de emergência de plântulas. A dormência tegumentar das sementes de Erythrina velutina é superada com escarificação em lixa na extremidade oposta à micrópila ou junto à mesma. A dormência não é afetada pelos tipos de armazenamento e não é superada pela imersão em água quente.UEL2013-03-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por parespesquisa de campoapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/818710.5433/1679-0359.2013v34n1p171Semina: Ciências Agrárias; Vol. 34 No. 1 (2013); 171-178Semina: Ciências Agrárias; v. 34 n. 1 (2013); 171-1781679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELporhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/8187/pdfSilva, Laércio Wanderlei daCoelho, Maria de Fatima BarbosaMaia, Sandra Sely SilveiraSilva, Ricardo Carlos Pereira daCândido, Willame dos SantosSilva, Ana Claudia dainfo:eu-repo/semantics/openAccess2015-11-19T18:36:53Zoai:ojs.pkp.sfu.ca:article/8187Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2015-11-19T18:36:53Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Storage and methods for overcoming dormancy of the coral tree seeds Armazenamento e métodos para a superação da dormência de sementes de mulungu |
title |
Storage and methods for overcoming dormancy of the coral tree seeds |
spellingShingle |
Storage and methods for overcoming dormancy of the coral tree seeds Silva, Laércio Wanderlei da Erythrina velutina Germination Scarification Medicinal plants. Erythrina velutina Germinação Escarificação Plantas medicinais. Fitotecnia |
title_short |
Storage and methods for overcoming dormancy of the coral tree seeds |
title_full |
Storage and methods for overcoming dormancy of the coral tree seeds |
title_fullStr |
Storage and methods for overcoming dormancy of the coral tree seeds |
title_full_unstemmed |
Storage and methods for overcoming dormancy of the coral tree seeds |
title_sort |
Storage and methods for overcoming dormancy of the coral tree seeds |
author |
Silva, Laércio Wanderlei da |
author_facet |
Silva, Laércio Wanderlei da Coelho, Maria de Fatima Barbosa Maia, Sandra Sely Silveira Silva, Ricardo Carlos Pereira da Cândido, Willame dos Santos Silva, Ana Claudia da |
author_role |
author |
author2 |
Coelho, Maria de Fatima Barbosa Maia, Sandra Sely Silveira Silva, Ricardo Carlos Pereira da Cândido, Willame dos Santos Silva, Ana Claudia da |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Silva, Laércio Wanderlei da Coelho, Maria de Fatima Barbosa Maia, Sandra Sely Silveira Silva, Ricardo Carlos Pereira da Cândido, Willame dos Santos Silva, Ana Claudia da |
dc.subject.por.fl_str_mv |
Erythrina velutina Germination Scarification Medicinal plants. Erythrina velutina Germinação Escarificação Plantas medicinais. Fitotecnia |
topic |
Erythrina velutina Germination Scarification Medicinal plants. Erythrina velutina Germinação Escarificação Plantas medicinais. Fitotecnia |
description |
The coral tree (Erythrina velutina Willd.) is an arboreal species that occurs in northeast Brazil and is used in popular medicine to fight cough, asthma, oral diseases, nervous breakdowns, muscle aches and fevers. The process of formation of seedlings of the species is difficult because of the occurrence of seed dormancy. The aim of this study was to evaluate the effect of different methods for overcoming dormancy in seeds of the coral tree stored in different conditions and periods. The experimental design was completely randomized in factorial scheme 5 x 2 (methods for overcoming dormancy and storage types), in four replicates of 25 seeds. The methods used were (S1) control, (S2) scarification opposite the micropyle; (S3) by the scarification micropyle; (S4) seeds immersed in water at 80 °C for five minutes and (S5) seeds immersed in water at 100 °C for two minutes. The storage types were for 25 months at cold chamber and for a month at the laboratory environment. The characteristics evaluated were emergence percentage (PE), time of emergence (TM), shoot length (CPA) and root (CR), diameter (D), leaf number (NF), dry biomass of roots (MSPA) and of shoots (MSR) of seedlings. The emergence percentage was low in treatments S1, S4 and S5 and the seeds stored for one month were more affected when immersed in hot water. The highest values of CPA, CR, MSPA and NF treatments were observed in S2 and S3, which occurred in the lowest average time of emergence. The tegument dormancy of seeds of Erythrina velutina is overcome by scarification with sandpaper on the end opposite the micropyle or next to it. The seed dormancy is not affected by the types of storage and is not overcome by immersion in hot water. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-03-04 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Avaliado por pares pesquisa de campo |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/8187 10.5433/1679-0359.2013v34n1p171 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/8187 |
identifier_str_mv |
10.5433/1679-0359.2013v34n1p171 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/8187/pdf |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 34 No. 1 (2013); 171-178 Semina: Ciências Agrárias; v. 34 n. 1 (2013); 171-178 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306064939712512 |