In vitro seed germination and multiplication of Calophyllum brasiliense
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Pesquisa Florestal Brasileira (Online) |
Texto Completo: | https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1168 |
Resumo: | Calophyllum brasiliense is a tree species with limited natural reproduction. In vitro germination may be an alternative for obtaining high-quality seedlings. Seeds were maintained in water before surface disinfestation and compared with control seeds (i.e. not immersed), without differences between treatments. HgCl2 used during surface-disinfestation reduced contamination rates of cultures. Fungal contamination was reduced with fungicide added to culture medium (23 to 6.4%), although bacterial contamination increased (24 to 36%). In another experiment, seeds were immersed in plant preservative mixture (PPM™) prior to surface disinfestation. By combining immersion for 48 h and 2 mL L-1 in culture medium, contamination was only 6%. Seeds immersion in GA3 prior to surface disinfestation reduced root formation as concentration increased. Germination rate and GSI were reduced, respectively, from 72% and 0.129 (24 h) to 60% and 0.092 (48 h) according to exposure time to GA3. After 90 days in multiplication medium containing benzylaminopurine, average number of shoots per nodal segment was 3.4. In conclusion, in vitro germination of C. brasiliense seeds is feasible in sucrose-free WPM medium and reaches a high contamination-free rate (up to 93.3%). |
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In vitro seed germination and multiplication of Calophyllum brasilienseGerminação in vitro de sementes e multiplicação de Calophyllum brasilienseÁcido giberélicoBenzilaminopurinaÍndice de velocidade de germinaçãoGibberellic acidBenzylaminopurineGermination speed indexCalophyllum brasiliense is a tree species with limited natural reproduction. In vitro germination may be an alternative for obtaining high-quality seedlings. Seeds were maintained in water before surface disinfestation and compared with control seeds (i.e. not immersed), without differences between treatments. HgCl2 used during surface-disinfestation reduced contamination rates of cultures. Fungal contamination was reduced with fungicide added to culture medium (23 to 6.4%), although bacterial contamination increased (24 to 36%). In another experiment, seeds were immersed in plant preservative mixture (PPM™) prior to surface disinfestation. By combining immersion for 48 h and 2 mL L-1 in culture medium, contamination was only 6%. Seeds immersion in GA3 prior to surface disinfestation reduced root formation as concentration increased. Germination rate and GSI were reduced, respectively, from 72% and 0.129 (24 h) to 60% and 0.092 (48 h) according to exposure time to GA3. After 90 days in multiplication medium containing benzylaminopurine, average number of shoots per nodal segment was 3.4. In conclusion, in vitro germination of C. brasiliense seeds is feasible in sucrose-free WPM medium and reaches a high contamination-free rate (up to 93.3%).Calophyllum brasiliense é uma espécie arbórea com sistema de propagação natural limitada. A germinação in vitro pode ser uma alternativa para obtenção de plântulas de qualidade. Sementes foram mantidas em água antes da desinfestação e comparadas com sementes controle (não imersas), sem diferença entre os tratamentos. HgCl2 usado durante a desinfestação reduziu a contaminação das culturas. A contaminação fúngica foi reduzida com fungicida adicionado ao meio (23 para 6,4%), mas a porcentagem de bactérias foi aumentada (24 para 36%). Em outro experimento, as sementes foram imersas em plant preservative mixture (PPM™) antes da desinfestação. Combinando a imersão por 48 h e 2 mL L-1 no meio de cultura, a contaminação foi de 6%. A imersão das sementes em GA3 antes da desinfestação reduziu a formação de raízes conforme a concentração foi aumentada. A germinação e o IVG foram reduzidos, respectivamente, de 72% e 0,129 (24 h) para 60% e 0,092 (48 h), de acordo com o tempo de exposição a GA3. Após 90 dias em meio de multiplicação contendo benzilaminopurina, o número médio de brotações por segmento nodal foi 3,4. A germinação in vitro de C. brasiliense é viável em meio WPM sem sacarose, com até 93,3% de sobrevivência.Embrapa Florestas2016-09-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/116810.4336/2016.pfb.36.87.1168Pesquisa Florestal Brasileira; v. 36 n. 87 (2016): jul./set.; 185-193Pesquisa Florestal Brasileira; Vol. 36 No. 87 (2016): jul./set.; 185-1931983-26051809-3647reponame:Pesquisa Florestal Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAenghttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1168/509Copyright (c) 2016 Sheila Susy Silveira, Juliana Degenhardt-Goldbach, Marguerite Germaine Ghislaine Quoirinhttps://creativecommons.org/licenses/by-nc-nd/4.0info:eu-repo/semantics/openAccessSilveira, Sheila SusyDegenhardt-Goldbach, JulianaQuoirin, Marguerite Germaine Ghislaine2017-04-28T14:13:12Zoai:pfb.cnpf.embrapa.br/pfb:article/1168Revistahttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/PUBhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/oaipfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br1983-26051809-3647opendoar:2017-04-28T14:13:12Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
In vitro seed germination and multiplication of Calophyllum brasiliense Germinação in vitro de sementes e multiplicação de Calophyllum brasiliense |
title |
In vitro seed germination and multiplication of Calophyllum brasiliense |
spellingShingle |
In vitro seed germination and multiplication of Calophyllum brasiliense Silveira, Sheila Susy Ácido giberélico Benzilaminopurina Índice de velocidade de germinação Gibberellic acid Benzylaminopurine Germination speed index |
title_short |
In vitro seed germination and multiplication of Calophyllum brasiliense |
title_full |
In vitro seed germination and multiplication of Calophyllum brasiliense |
title_fullStr |
In vitro seed germination and multiplication of Calophyllum brasiliense |
title_full_unstemmed |
In vitro seed germination and multiplication of Calophyllum brasiliense |
title_sort |
In vitro seed germination and multiplication of Calophyllum brasiliense |
author |
Silveira, Sheila Susy |
author_facet |
Silveira, Sheila Susy Degenhardt-Goldbach, Juliana Quoirin, Marguerite Germaine Ghislaine |
author_role |
author |
author2 |
Degenhardt-Goldbach, Juliana Quoirin, Marguerite Germaine Ghislaine |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Silveira, Sheila Susy Degenhardt-Goldbach, Juliana Quoirin, Marguerite Germaine Ghislaine |
dc.subject.por.fl_str_mv |
Ácido giberélico Benzilaminopurina Índice de velocidade de germinação Gibberellic acid Benzylaminopurine Germination speed index |
topic |
Ácido giberélico Benzilaminopurina Índice de velocidade de germinação Gibberellic acid Benzylaminopurine Germination speed index |
description |
Calophyllum brasiliense is a tree species with limited natural reproduction. In vitro germination may be an alternative for obtaining high-quality seedlings. Seeds were maintained in water before surface disinfestation and compared with control seeds (i.e. not immersed), without differences between treatments. HgCl2 used during surface-disinfestation reduced contamination rates of cultures. Fungal contamination was reduced with fungicide added to culture medium (23 to 6.4%), although bacterial contamination increased (24 to 36%). In another experiment, seeds were immersed in plant preservative mixture (PPM™) prior to surface disinfestation. By combining immersion for 48 h and 2 mL L-1 in culture medium, contamination was only 6%. Seeds immersion in GA3 prior to surface disinfestation reduced root formation as concentration increased. Germination rate and GSI were reduced, respectively, from 72% and 0.129 (24 h) to 60% and 0.092 (48 h) according to exposure time to GA3. After 90 days in multiplication medium containing benzylaminopurine, average number of shoots per nodal segment was 3.4. In conclusion, in vitro germination of C. brasiliense seeds is feasible in sucrose-free WPM medium and reaches a high contamination-free rate (up to 93.3%). |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-09-30 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1168 10.4336/2016.pfb.36.87.1168 |
url |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1168 |
identifier_str_mv |
10.4336/2016.pfb.36.87.1168 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1168/509 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by-nc-nd/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Embrapa Florestas |
publisher.none.fl_str_mv |
Embrapa Florestas |
dc.source.none.fl_str_mv |
Pesquisa Florestal Brasileira; v. 36 n. 87 (2016): jul./set.; 185-193 Pesquisa Florestal Brasileira; Vol. 36 No. 87 (2016): jul./set.; 185-193 1983-2605 1809-3647 reponame:Pesquisa Florestal Brasileira (Online) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Pesquisa Florestal Brasileira (Online) |
collection |
Pesquisa Florestal Brasileira (Online) |
repository.name.fl_str_mv |
Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
pfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br |
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1783370935950114816 |