Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).

Detalhes bibliográficos
Autor(a) principal: SANTOS, M. R. A. dos
Data de Publicação: 2016
Outros Autores: PAZ, E. S.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
Texto Completo: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1057485
Resumo: The objective of this research was to determine the effect of dichlorophenoxyacetic acid (2,4-D) callus in peach friable calluses in leaf explants of Bactris gasipaes H.B.K., aiming for further induction of somatic embryos. The explants were inoculated in MS medium supplemented with 30.0 g.L-1 sucrose, 8.0 g.L-1 agar and 2,4-D (0.0, 0.31, 0.62, 1.25, 2.5, 5.0, 10.0, and 20.0 mg.L-1). The cultures were kept in a growth room at 24±2°C under light conditions (50 µmol.m-2.s-1, photoperiod of 16 hours), and also under dark conditions, in factorial arrangement: 2 (light and dark conditions) x 8 (2,4-D concentrations), totaling 16 treatments. On the 14th day of cultivation, occurrences of oxidation and necrosis of the explants were observed and, on the 35th day, the formation of friable calluses, and the percentage of explant area covered by callus cells (EACC) were evaluated. Oxidation was more intense in the cultivations under light conditions, and reduced as the 2,4-D concentrationsincreased. However, the highest concentration, 20.0 mg.L-1, caused necrosis of the explants. The concentration of 10 mg.L-1 was the most efficient for friable callus induction reaching all the explants in the cultures kept in the dark. This concentration also resulted in the highest EACC, with an average of 56.5% of the explant area covered by callus cells.
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spelling Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).Peach palmCallogenesisDichlorophenoxyacetic acidPessegueiroÁcido diclorofenoxiacéticoCalogêneseArecaceaeThe objective of this research was to determine the effect of dichlorophenoxyacetic acid (2,4-D) callus in peach friable calluses in leaf explants of Bactris gasipaes H.B.K., aiming for further induction of somatic embryos. The explants were inoculated in MS medium supplemented with 30.0 g.L-1 sucrose, 8.0 g.L-1 agar and 2,4-D (0.0, 0.31, 0.62, 1.25, 2.5, 5.0, 10.0, and 20.0 mg.L-1). The cultures were kept in a growth room at 24±2°C under light conditions (50 µmol.m-2.s-1, photoperiod of 16 hours), and also under dark conditions, in factorial arrangement: 2 (light and dark conditions) x 8 (2,4-D concentrations), totaling 16 treatments. On the 14th day of cultivation, occurrences of oxidation and necrosis of the explants were observed and, on the 35th day, the formation of friable calluses, and the percentage of explant area covered by callus cells (EACC) were evaluated. Oxidation was more intense in the cultivations under light conditions, and reduced as the 2,4-D concentrationsincreased. However, the highest concentration, 20.0 mg.L-1, caused necrosis of the explants. The concentration of 10 mg.L-1 was the most efficient for friable callus induction reaching all the explants in the cultures kept in the dark. This concentration also resulted in the highest EACC, with an average of 56.5% of the explant area covered by callus cells.MAURICIO REGINALDO ALVES DOS SANTOS, CPAF-Rondonia; Eloísa Santana Paz, UNIR.SANTOS, M. R. A. dosPAZ, E. S.2016-11-29T11:11:11Z2016-11-29T11:11:11Z2016-11-2920162016-11-29T11:11:11Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleInternational Journal of Current Research, v. 8 , n. 9, p. 38688 - 38691, Set., 2016.http://www.alice.cnptia.embrapa.br/alice/handle/doc/1057485enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2017-08-16T03:51:32Zoai:www.alice.cnptia.embrapa.br:doc/1057485Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542017-08-16T03:51:32falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542017-08-16T03:51:32Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
title Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
spellingShingle Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
SANTOS, M. R. A. dos
Peach palm
Callogenesis
Dichlorophenoxyacetic acid
Pessegueiro
Ácido diclorofenoxiacético
Calogênese
Arecaceae
title_short Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
title_full Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
title_fullStr Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
title_full_unstemmed Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
title_sort Effect of 2,4-d on callus induction in leaf explants of peach palm (bactris gasipaes h.b.k.).
author SANTOS, M. R. A. dos
author_facet SANTOS, M. R. A. dos
PAZ, E. S.
author_role author
author2 PAZ, E. S.
author2_role author
dc.contributor.none.fl_str_mv MAURICIO REGINALDO ALVES DOS SANTOS, CPAF-Rondonia; Eloísa Santana Paz, UNIR.
dc.contributor.author.fl_str_mv SANTOS, M. R. A. dos
PAZ, E. S.
dc.subject.por.fl_str_mv Peach palm
Callogenesis
Dichlorophenoxyacetic acid
Pessegueiro
Ácido diclorofenoxiacético
Calogênese
Arecaceae
topic Peach palm
Callogenesis
Dichlorophenoxyacetic acid
Pessegueiro
Ácido diclorofenoxiacético
Calogênese
Arecaceae
description The objective of this research was to determine the effect of dichlorophenoxyacetic acid (2,4-D) callus in peach friable calluses in leaf explants of Bactris gasipaes H.B.K., aiming for further induction of somatic embryos. The explants were inoculated in MS medium supplemented with 30.0 g.L-1 sucrose, 8.0 g.L-1 agar and 2,4-D (0.0, 0.31, 0.62, 1.25, 2.5, 5.0, 10.0, and 20.0 mg.L-1). The cultures were kept in a growth room at 24±2°C under light conditions (50 µmol.m-2.s-1, photoperiod of 16 hours), and also under dark conditions, in factorial arrangement: 2 (light and dark conditions) x 8 (2,4-D concentrations), totaling 16 treatments. On the 14th day of cultivation, occurrences of oxidation and necrosis of the explants were observed and, on the 35th day, the formation of friable calluses, and the percentage of explant area covered by callus cells (EACC) were evaluated. Oxidation was more intense in the cultivations under light conditions, and reduced as the 2,4-D concentrationsincreased. However, the highest concentration, 20.0 mg.L-1, caused necrosis of the explants. The concentration of 10 mg.L-1 was the most efficient for friable callus induction reaching all the explants in the cultures kept in the dark. This concentration also resulted in the highest EACC, with an average of 56.5% of the explant area covered by callus cells.
publishDate 2016
dc.date.none.fl_str_mv 2016-11-29T11:11:11Z
2016-11-29T11:11:11Z
2016-11-29
2016
2016-11-29T11:11:11Z
dc.type.driver.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv International Journal of Current Research, v. 8 , n. 9, p. 38688 - 38691, Set., 2016.
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1057485
identifier_str_mv International Journal of Current Research, v. 8 , n. 9, p. 38688 - 38691, Set., 2016.
url http://www.alice.cnptia.embrapa.br/alice/handle/doc/1057485
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.source.none.fl_str_mv reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
collection Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
repository.name.fl_str_mv Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
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