Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta Scientiarum. Agronomy (Online) |
DOI: | 10.4025/actasciagron.v31i3.697 |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/697 |
Resumo: | The objective of this work was to evaluate the effect of colchicine, when applied at different times on O. flexuosum protocorm differentiation. Peracetic acid was previously tested at 0, 3, 6 and 9 mL L-1 concentrations for 10 days, in order to verify the efficacy on the culture medium sterilization and the possible phytotoxic effects on protocorms. After determining the concentration, 6 mL L-1 of peracetic acid were added in MS medium with 0.05% colchicine and DMSO 1%. The protocorms were agitated during 0, 24, 48, 72, 96 and 120 hours. The experimental delineation used was the completely randomized blocks, with 6 treatments, 10 repetitions and 5 protocorms per repetition. Thirty days after the treatment began, protocorm survival rates were assessed; after 180 days, the following were assessed: number of buds, aerial part height, number of roots, the length of the largest root and plantlet fresh mass. The data were submitted to regression analysis. Peracetic acid in the concentration of 6 mL L-1 can be used as a substitute for the colchicine solution filtration process. The increase in colchicine exposure time caused a rise in the number of dead protocorms. |
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Acta Scientiarum. Agronomy (Online) |
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Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697Sobrevivência e diferenciação de protocormos de Oncidium flexuosum submetidos a tratamento com ácido peracético e colchicina - DOI: 10.4025/actasciagron.v31i3.697OrchidaceaepolyploidyphytotoxicitysterilizationOrchidaceaepoliploidiafitotoxicidadeesterilizaçãoFitotecniaThe objective of this work was to evaluate the effect of colchicine, when applied at different times on O. flexuosum protocorm differentiation. Peracetic acid was previously tested at 0, 3, 6 and 9 mL L-1 concentrations for 10 days, in order to verify the efficacy on the culture medium sterilization and the possible phytotoxic effects on protocorms. After determining the concentration, 6 mL L-1 of peracetic acid were added in MS medium with 0.05% colchicine and DMSO 1%. The protocorms were agitated during 0, 24, 48, 72, 96 and 120 hours. The experimental delineation used was the completely randomized blocks, with 6 treatments, 10 repetitions and 5 protocorms per repetition. Thirty days after the treatment began, protocorm survival rates were assessed; after 180 days, the following were assessed: number of buds, aerial part height, number of roots, the length of the largest root and plantlet fresh mass. The data were submitted to regression analysis. Peracetic acid in the concentration of 6 mL L-1 can be used as a substitute for the colchicine solution filtration process. The increase in colchicine exposure time caused a rise in the number of dead protocorms.O objetivo deste trabalho foi verificar o efeito do ácido peracético e da colchicina na diferenciação de protocormos de Oncidium flexuosum. O ácido peracético foi testado previamente nas concentrações de 0, 3, 6 e 9 mL L-1, durante dez dias, para verificar a eficácia na esterilização do meio de cultura e os possíveis efeitos fitotóxicos nos protocormos. Após determinação da concentração, foram adicionados 6 mL L-1 de ácido peracético em meio MS com 0,05% de colchicina e DMSO 1%. Os protocormos foram mantidos em agitação pelos períodos: 0, 24, 48, 72, 96 e 120h. O experimento foi inteiramente casualizado com seis tratamentos, dez repetições e cinco protocormos por repetição. Após 30 dias, foi avaliada a sobrevivência dos protocormos e, após 180 dias, foram avaliados: número de brotos, altura da parte aérea, número de raízes, comprimento da maior raiz e massa fresca das plântulas regeneradas. Os dados foram submetidos à análise de regressão. A concentração de 6 mL L-1 de ácido peracético a 0,25% pode ser utilizada em substituição ao processo de filtração da solução de colchicina. O aumento do tempo de exposição à colchicina causou aumento no número de protocormos mortos.Universidade Estadual de Maringá2009-06-23info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/69710.4025/actasciagron.v31i3.697Acta Scientiarum. Agronomy; Vol 31 No 3 (2009); 503-508Acta Scientiarum. Agronomy; v. 31 n. 3 (2009); 503-5081807-86211679-9275reponame:Acta Scientiarum. Agronomy (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/697/697Unemoto, Lilian KeikoFaria, Ricardo Tadeu deDestro, DeonisioBarbosa, Cristiane MunizLone, Alessandro Boriniinfo:eu-repo/semantics/openAccess2022-11-23T18:37:09Zoai:periodicos.uem.br/ojs:article/697Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgronPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/oaiactaagron@uem.br||actaagron@uem.br|| edamasio@uem.br1807-86211679-9275opendoar:2022-11-23T18:37:09Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 Sobrevivência e diferenciação de protocormos de Oncidium flexuosum submetidos a tratamento com ácido peracético e colchicina - DOI: 10.4025/actasciagron.v31i3.697 |
title |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 |
spellingShingle |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 Unemoto, Lilian Keiko Orchidaceae polyploidy phytotoxicity sterilization Orchidaceae poliploidia fitotoxicidade esterilização Fitotecnia Unemoto, Lilian Keiko Orchidaceae polyploidy phytotoxicity sterilization Orchidaceae poliploidia fitotoxicidade esterilização Fitotecnia |
title_short |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 |
title_full |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 |
title_fullStr |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 |
title_full_unstemmed |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 |
title_sort |
Survival and differentiation of Oncidium flexuosum protocorm submitted to peracetic acid and colchicine treatment - DOI: 10.4025/actasciagron.v31i3.697 |
author |
Unemoto, Lilian Keiko |
author_facet |
Unemoto, Lilian Keiko Unemoto, Lilian Keiko Faria, Ricardo Tadeu de Destro, Deonisio Barbosa, Cristiane Muniz Lone, Alessandro Borini Faria, Ricardo Tadeu de Destro, Deonisio Barbosa, Cristiane Muniz Lone, Alessandro Borini |
author_role |
author |
author2 |
Faria, Ricardo Tadeu de Destro, Deonisio Barbosa, Cristiane Muniz Lone, Alessandro Borini |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Unemoto, Lilian Keiko Faria, Ricardo Tadeu de Destro, Deonisio Barbosa, Cristiane Muniz Lone, Alessandro Borini |
dc.subject.por.fl_str_mv |
Orchidaceae polyploidy phytotoxicity sterilization Orchidaceae poliploidia fitotoxicidade esterilização Fitotecnia |
topic |
Orchidaceae polyploidy phytotoxicity sterilization Orchidaceae poliploidia fitotoxicidade esterilização Fitotecnia |
description |
The objective of this work was to evaluate the effect of colchicine, when applied at different times on O. flexuosum protocorm differentiation. Peracetic acid was previously tested at 0, 3, 6 and 9 mL L-1 concentrations for 10 days, in order to verify the efficacy on the culture medium sterilization and the possible phytotoxic effects on protocorms. After determining the concentration, 6 mL L-1 of peracetic acid were added in MS medium with 0.05% colchicine and DMSO 1%. The protocorms were agitated during 0, 24, 48, 72, 96 and 120 hours. The experimental delineation used was the completely randomized blocks, with 6 treatments, 10 repetitions and 5 protocorms per repetition. Thirty days after the treatment began, protocorm survival rates were assessed; after 180 days, the following were assessed: number of buds, aerial part height, number of roots, the length of the largest root and plantlet fresh mass. The data were submitted to regression analysis. Peracetic acid in the concentration of 6 mL L-1 can be used as a substitute for the colchicine solution filtration process. The increase in colchicine exposure time caused a rise in the number of dead protocorms. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-06-23 |
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 |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/697 10.4025/actasciagron.v31i3.697 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/697 |
identifier_str_mv |
10.4025/actasciagron.v31i3.697 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/697/697 |
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 |
Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Agronomy; Vol 31 No 3 (2009); 503-508 Acta Scientiarum. Agronomy; v. 31 n. 3 (2009); 503-508 1807-8621 1679-9275 reponame:Acta Scientiarum. Agronomy (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum. Agronomy (Online) |
collection |
Acta Scientiarum. Agronomy (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaagron@uem.br||actaagron@uem.br|| edamasio@uem.br |
_version_ |
1822182767953182720 |
dc.identifier.doi.none.fl_str_mv |
10.4025/actasciagron.v31i3.697 |